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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
2
3         * config.gcc: Add crx-elf support.
4
5         * doc/contrib.texi: Mention crx.
6         * doc/extend.texi: Document crx extensions.
7         * doc/install.texi: Document crx install.
8         * doc/invoke.texi: Document crx options.
9         * doc/md.texi: Document crx constraints.
10
11         * config/crx/crx-protos.h: New file.
12         * config/crx/crx.c: New file.
13         * config/crx/crx.h: New file.
14         * config/crx/crx.md: New file.
15         * config/crx/crx.opt: New file.
16         * config/crx/t-crx: New file.
17         
18 2005-07-22  Manfred Hollstein  <mh@suse.com>
19
20         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
21         warnings.
22         (int_add_graph_edge): Likewise.
23         (collapse_nodes): Likewise.
24         (process_unification_queue): Likewise.
25
26 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
27             Laurent GUERBY  <laurent@guerby.net>
28
29         PR tree-optimization/22336
30         * function.c (record_block_change): Check for 
31         cfun->ib_boundaries_block.
32         
33 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
34
35         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
36         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
37
38 2005-07-21  DJ Delorie  <dj@redhat.com>
39
40         * toplev.c (warn_deprecated_use): Add warning control to warning
41         call.
42         * c-typeck.c (parser_build_binary_op): Likewise.
43         (c_finish_if_stmt): Likewise.
44         * c-common.c (check_function_sentinel): Likewise.
45         (check_nonnull_arg): Likewise.
46
47 2005-07-21  Richard Henderson  <rth@redhat.com>
48
49         PR tree-opt/22504
50         * tree-complex.c (complex_ssa_name_components): New.
51         (cvc_lookup): Allow entry not found.
52         (create_components): Remove.
53         (create_one_component_var, get_component_var): New.
54         (get_component_ssa_name, set_component_ssa_name): New.
55         (extract_component): Use get_component_ssa_name.
56         (update_complex_components): Use set_component_ssa_name.
57         (update_complex_components_on_edge): Likewise.
58         (update_phi_components): Create new PHI nodes directly, instead
59         of adding insns to edges.
60         (tree_lower_complex): Allocate and free complex_variable_components
61         and complex_ssa_name_components here.
62
63 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
64         
65         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
66         revert to returning false.
67
68 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
69
70         PR target/21149
71         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
72
73 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
74
75         PR target/22576
76         * config/i386/i386.md (cmpxf): Change operand constraints
77         to "nonmemory_operand".
78
79 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
80
81         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
82
83 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
84
85         PR middle-end/21180
86         * fold-const.c (fold_build1): Add checksum for the operands.
87         (fold_build2): Likewise.        
88         (fold_build3): Likewise.
89
90 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
91
92         PR middle-end/19055
93         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
94
95 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
96
97         * common.opt (-fforward-propagate): Committed by mistake,
98         removed.
99
100 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
101
102         * reg-stack.c: Fix comment typo(s).
103         * tree-ssa-operands.c: Likewise.
104         * tree-vectorizer: Likewise.
105
106 2005-07-21  Nick Clifton  <nickc@redhat.com>
107
108         * config/sh/symbian.c: Replace C++ style line comments with C
109         style line comments.
110         (symbian_add_attribute): Do not use a ? operator on the LHS of
111         an assignment.
112         (sh_symbian_handle_dll_attribute): Change the type of the
113         method vector to "VEC(tree,gc)*" and use vector accessor
114         macros to walk over the elements.
115         (symbian_export_vtable_and_rtti_p): Likewise.
116         (symbian_class_needs_attribute_p): Likewise.
117
118 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
119
120         PR target/22085
121         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
122         initialize targetm.resolve_overloaded_builtin here.
123         (altivec_expand_overloaded_builtin): Make it non-static.
124         * config/rs6000/rs6000-protos.h
125         (altivec_expand_overloaded_builtin): New prototype.
126         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
127         targetm.resolve_overloaded_builtin here.
128         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
129
130 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
131             Zdenek Dvorak  <dvorakz@suse.cz>
132
133         PR tree-optimization/19210
134         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
135         New.
136         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
137         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
138         rely on unproven assumptions.
139         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
140         * tree-flow.h (number_of_iterations_exit): Add final parameter.
141         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
142         to number_of_iterations_exit.
143         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
144         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
145         * tree-ssa-loop-niter.c (find_loop_niter,
146         estimate_numbers_of_iterations_loop): Likewise.
147         (number_of_iterations_exit): Honor the new options.
148         * doc/invoke.texi (Wunsafe-loop-optimizations,
149         funsafe-loop-optimizations): Document them.
150
151 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
152
153         PR rtl-optimization/22167
154         * gcse.c (hoist_code): Fix hoist_exprs[] check.
155
156 2005-07-20  Adam Nemet  <anemet@lnxw.com>
157
158         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
159         __do_global_dtors_aux longcall.
160
161 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
162
163         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
164         (old_special_pred_table): Don't reference
165         SPECIAL_MODE_PREDICATES.
166         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
167         * config/arc/arc.h: Don't mention PREDICATE_CODES.
168         * config/sh/predicates.h: Don't mention
169         SPECIAL_MODE_PREDICATES.
170         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
171         Remove.
172
173 2005-07-20  DJ Delorie  <dj@redhat.com>
174
175         * config.gcc: Add m32c-elf support.
176
177         * doc/contrib.texi: Mention m32c.
178         * doc/extend.texi: Document m32c extensions.
179         * doc/install.texi: Mention m32c.
180         * doc/invoke.texi: Document m32c options.
181         * doc/md.texi: Document m32c constraints.
182
183         * config/m32c/addsub.md: New file.
184         * config/m32c/bitops.md: New file.
185         * config/m32c/cond.md: New file.
186         * config/m32c/jump.md: New file.
187         * config/m32c/m32c-lib1.S: New file.
188         * config/m32c/m32c-lib2.c: New file.
189         * config/m32c/m32c-modes.def: New file.
190         * config/m32c/m32c-pragma.c: New file.
191         * config/m32c/m32c-protos.h: New file.
192         * config/m32c/m32c.abi: New file.
193         * config/m32c/m32c.c: New file.
194         * config/m32c/m32c.h: New file.
195         * config/m32c/m32c.md: New file.
196         * config/m32c/m32c.opt: New file.
197         * config/m32c/minmax.md: New file.
198         * config/m32c/mov.md: New file.
199         * config/m32c/muldiv.md: New file.
200         * config/m32c/predicates.md: New file.
201         * config/m32c/prologue.md: New file.
202         * config/m32c/shift.md: New file.
203         * config/m32c/t-m32c: New file.
204
205 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
206
207         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
208         (stack_protect_set, stack_protect_test): New expanders.
209         (stack_protect_set_si, stack_protect_set_si_media,
210         stack_protect_set_di_media, stack_protect_test_si,
211         stack_protect_test_si_media, stack_protect_test_di_media):
212         New insns.
213
214 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
215
216         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
217
218 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
219
220         * tree.h (tree_expr_nonzero_p): Export.
221         * fold-const.c (tree_expr_nonzero_p): Likewise.
222         Return true for CALL_EXPRs that are alloca calls.
223         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
224         against zero.
225         * tree-flow.h (expr_computes_nonzero): Remove.
226         * tree-vrp.c (expr_computes_nonzero): Remove.
227         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
228         (extract_range_from_unary_expr): Likewise.
229         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
230         tree_expr_nonzero_p.
231
232 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
233
234         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
235         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
236         extra arg "picreg" and use it instead of pic_offset_table_rtx.
237         All callers changed.
238         (frame_related_constant_load): New arg "related" which controls
239         setting of RTX_FRAME_RELATED_P.  All callers changed.
240         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
241         (bfin_expand_prologue): Add stack limit checking.
242         * config/bfin/bfin.md (trapifcc): New pattern.
243
244         * config/bfin/bfin.c: Include "langhooks.h".
245         (def_builtin): Go through lang_hooks to call builtin_function.
246
247         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
248         * config/bfin/predicates.md (symbol_ref_operand): New.
249         (call_insn_operand): Delete.  All callers changed to use
250         register_no_elim_operand.
251         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
252         call_cookie field.
253         (function_arg): Use it to generate the call's operand 2.
254         (bfin_longcall_p): New function.
255         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
256         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
257         determine if the address needs to be in a REG.
258         (bfin_handle_longcall_attribute): New function.
259         (bfin_attribute_table): Add "longcall" and "shortcall".
260         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
261         (CUMULATIVE_ARGS): New member call_cookie.
262         (PREDICATE_CODES): Add symbol_ref_operand.
263         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
264         extra USE to the pattern.
265         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
266         New patterns, split off call_insn, sibcall_insn, call_value_insn and
267         sibcall_value_insn; now the new patterns handle direct calls and the
268         old ones indirect calls.
269         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
270
271 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
272
273         * doc/trouble.texi: Update section on handling of empty loops.
274
275 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
276
277         * config.gcc: Remove support for sparc-*-openbsd*,
278         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
279         ns32k-*-netbsd*.
280         * config.host: Remove support for i860-*-sysv4* as a host.
281         * config/i860/*, config/ip2k/*, config/ns32k/*,
282         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
283         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
284         mention obsolete ports.
285
286 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
287
288         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
289         soft frame pointer.
290         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
291         of frame_pointer_rtx.
292         (sh_expand_epilogue): Likewise.
293         (sh_set_return_address): Likewise.
294         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
295         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
296         offsets from FRAME_POINTER_REGNUM.
297         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
298         (sh_register_names): Add initializer for sfp.
299         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
300         (VALID_REGISTER_P): Likewise.
301         (FIRST_PSEUDO_REGISTER): Update.
302         (DWARF_FRAME_REGISTERS): Define.
303         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
304         (HARD_FRAME_POINTER_REGNUM): Define.
305         (FRAME_POINTER_REGNUM): Redefine.
306         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
307         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
308         from FRAME_POINTER_REGNUM.
309         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
310         FRAME_POINTER_REGNUM.
311         (REG_CLASS_CONTENTS): Add sfp.
312         (REG_ALLOC_ORDER): Likewise.
313         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
314         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
315         of frame_pointer_rtx.
316         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
317
318 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
319
320         * fold-const.c (tree_expr_nonnegative_p): Only return true for
321         ABS_EXPR when flag_wrapv is false because of INT_MIN.
322         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
323         of an ABS_EXPR.
324         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
325         ABS_EXPR<x>.
326
327 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
328
329         Make CONSTRUCTOR use VEC to store initializers.
330         * c-common.c (complete_array_type): Update to cope with VEC in
331         CONSTRUCTOR_ELTS.
332         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
333         (pp_c_constructor_elts): New function.
334         * c-pretty-print.h (pp_c_constructor_elts): Declare.
335         * c-typeck.c (build_function_call, build_c_cast, digest_init,
336         struct constructor_stack, struct initializer_stack,
337         constructor_elements, push_init_level, pop_init_level,
338         add_pending_init, find_init_member, output_init_element): Update to
339         cope with VEC in CONSTRUCTOR_ELTS.
340         * coverage.c (build_fn_info_value, build_ctr_info_value,
341         build_gcov_info): Likewise.
342         * expr.c (categorize_ctor_elements_1, store_constructor,
343         expand_expr_real_1): Likewise.
344         * fold-const.c (fold_ternary): Likewise.
345         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
346         gimplify_init_constructor, gimplify_expr): Likewise.
347         * tree-dump.c (dequeue_and_dump): Likewise.
348         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
349         node.
350         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
351         CONSTRUCTOR_ELTS.
352         * tree-sra.c (generate_element_init_1): Likewise.
353         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
354         * tree-ssa-operands.c (get_expr_operands): Likewise.
355         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
356         * tree-vect-transform.c (vect_get_vec_def_for_operand):
357         (get_initial_def_for_reduction): Likewise.
358         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
359         value handle in annotations.
360         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
361         tree_node_structure): Add support for constr_kind.
362         (build_vector_from_ctor, build_constructor_single,
363         build_constructor_from_list): New functions.
364         (build_constructor): Update to take a VEC instead of a TREE_LIST.
365         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
366         Update to cope with VEC in CONSTRUCTOR_ELTS.
367         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
368         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
369         CONSTRUCTOR_APPEND_ELT): New macros.
370         (struct constructor_elt, struct tree_constructor): New data types.
371         (union tree_node): Add tree_constructor field.
372         * treestruct.def: Define TS_CONSTRUCTOR.
373         * varasm.c (const_hash_1, compare_constant, copy_constant,
374         compute_reloc_for_constant, output_addressed_constants,
375         initializer_constant_valid_p, output_constant,
376         array_size_for_constructor, output_constructor): Update to cope with
377         VEC in CONSTRUCTOR_ELTS.
378         * vec.h (VEC_empty, VEC_copy): New macros.
379
380 2005-07-19  Devang Patel  <dpatel@apple.com>
381
382         * dbxout.c (dbxout_type): Check Objective-C++ lang.
383         
384 2005-07-19  Richard Henderson  <rth@redhat.com>
385
386         PR tree-opt/22278
387         * gimplify.c (gimplify_expr): Use main variant type for the temp
388         destination for a discarded volatile read.
389         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
390         casts between non-void types that change volatility.
391
392 2005-07-15  DJ Delorie  <dj@redhat.com>
393
394         * toplev.h: Add comment about the first parameter for warning().
395         * errors.h: Likewise.
396
397         * c.opt (Wpragmas): New.
398         * doc/invoke.texi: Document it.
399         
400         * function.c (do_warn_unused_parameter): Add warning control to
401         warning call.
402         * c-decl.c (warn_if_shadowing): Likewise.
403         * c-lex.c (cb_def_pragma): Likewise.
404         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
405         (pop_alignment): Likewise.
406         (handle_pragma_pack): Likewise.
407         (apply_pragma_weak): Likewise.
408         (handle_pragma_weak): Likewise.
409         (handle_pragma_redefine_extname): Likewise.
410         (add_to_renaming_pragma_list): Likewise.
411         (handle_pragma_extern_prefix): Likewise.
412         (maybe_apply_renaming_pragma): Likewise.
413         (handle_pragma_visibility): Likewise.
414         
415         * config/c4x/c4x-c.c (BAD): Likewise.
416         (c4x_parse_pragma): Likewise.
417         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
418         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
419         (rs6000_pragma_longcall): Likewise.
420         * config/v850/v850-c.c (pop_data_area): Likewise.
421         (ghs_pragma_section): Likewise.
422         (ghs_pragma_section): Likewise.
423         (ghs_pragma_interrupt): Likewise.
424         (ghs_pragma_starttda): Likewise.
425         (ghs_pragma_startsda): Likewise.
426         (ghs_pragma_startzda): Likewise.
427         (ghs_pragma_endtda): Likewise.
428         (ghs_pragma_endsda): Likewise.
429         (ghs_pragma_endzda): Likewise.
430
431 2005-07-19  Danny Berlin <dberlin@dberlin.org>
432             Kenneth Zadeck <zadeck@naturalbridge.com>
433
434         * Makefile.in: Removed tree-promote-statics.c
435         * tree-promote-statics.c: Removed.
436         * common.opt: Removed flag-promote-statics.
437         * opts.c: Ditto.
438         * passes.c: Removed tree-promote-statics pass. 
439         * tree-pass.h: Ditto.
440         * timevar.def: Removed TV_PROMOTE_STATICS.
441
442
443 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
444
445         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
446         and *-*-freebsd9.
447         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
448         
449 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
450
451         PR c/22476
452         * c-common.c (check_function_arguments): Call
453         'check_function_format' if either -Wformat or
454         -Wmissing-format-attribute are specified.
455         * c-format.c (check_function_format): Check -Wformat before
456         calling 'check_format_info'.
457         * c-opts.c (c_common_post_options): Don't warn for
458         -Wmissing-format-attribute without -Wformat.
459         * c-typeck.c (convert_for_assignment): Detect additional cases for
460         -Wmissing-format-attribute.
461         * doc/invoke.texi (-Wmissing-format-attribute): Document new
462         behavior.
463
464 2005-07-19  Richard Guenther  <rguenther@suse.de>
465
466         * config/i386/i386.md (lrint<mode>2): Use temporary
467         instead of clobbering non-existent memory.
468
469 2005-07-19  Nick Clifton  <nickc@redhat.com>
470
471         * config/avr/avr.c (legitimate_address_p): Fix debugging print
472         statement to avoid displaying ASCII control characters.
473
474 2005-07-19  Ben Elliston  <bje@au.ibm.com>
475
476         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
477         * cfganal.c (find_edge_index): Ditto.
478         * combine.c (combine_instructions): Ditto.
479         * ddg.c (create_scc): Ditto.
480         (find_successors): Ditto.
481         (find_predecessors): Ditto.
482         (find_nodes_on_paths): Ditto.
483         (longest_simple_path): Ditto.
484         * flow.c (update_life_info): Ditto.
485         (count_or_remove_death_notes): Ditto.
486         (clear_log_links): Ditto.
487         * modulo-sched.c (generate_reg_moves): Ditto.
488         (find_max_asap): Ditto.
489         (find_max_hv_min_mob): Ditto.
490         (find_max_dv_min_mob): Ditto.
491         * sbitmap.c (sbitmap_first_set_bit): Ditto.
492         * sched-rgn.c (extract_edgelst): Ditto.
493         * tree-into-ssa.c (prepare_names_to_update): Ditto.
494         (dump_update_ssa): Ditto.
495         (ssa_names_to_replace) Ditto.
496         (switch_virtuals_to_full_rewrite): Ditto.
497         (update_ssa): Ditto.
498         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
499
500 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
501
502         Fix PR tree-optimization/22483
503         
504         * tree-complex.c (create_components): Use
505         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
506         * tree-flow-inline.h (fill_referenced_var_vec): New function.
507         * tree-flow.h (safe_referenced_var_iterator): New structure.
508         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
509         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
510         safe_referenced_var iterator.
511         (add_type_alias): Ditto.
512
513 2005-07-19  Steven Bosscher  <stevenb@suse.de>
514
515         * loop-init.c (rest_of_handle_loop2): Remove.
516         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
517         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
518         (pass_rtl_loop_init, pass_rtl_loop_done,
519         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
520         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
521         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
522         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
523         pass_tree_loop_done, and pass_tree_unswitch.
524         (gate_loop): Rename to gate_tree_loop.
525         * passes.c (init_optimization_passes): Update for renamed tree
526         loop passes.  Add the new loop2 passes as subpasses of loop2.
527         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
528         Update for the renamed tree loop passes.
529
530 2005-07-18  Ian Lance Taylor  <ian@airs.com>
531
532         PR middle-end/22057
533         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
534         blocks when optimizing.
535
536 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
537
538         * common.opt (frename-registers): Initialize to 2.
539         (fweb): Ditto.
540         (fgcse-after-reload): Ditto.
541         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
542         (process_options): Only change flag_web, flag_rename_registers,
543         and flag_rerun_cse_after_loop if not explicitly set by user.
544
545 2005-07-18  Jan Beulich  <jbeulich@novell.com>
546
547         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
548         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
549         in 64-bit mode the same as DImode in 32-bit mode.
550         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
551         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
552         mode. Add new mode parameter. 
553         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
554         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
555         x86_64_shift_adj): New expanders.
556         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
557         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
558         insns.
559         Respective new splitters. Use renamed shift splitter helpers in 32-bit
560         DImode shift splitters.
561         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
562         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
563         mode parameter.
564
565 2005-07-18  Jan Beulich  <jbeulich@novell.com>
566
567         * i386.md (movdi_extzv_1): New.
568         (zero_extendhidi2): Combine alternatives and never force use of
569         REX64 prefix.
570         (zero_extendqidi2): Likewise. Don't restrict input selection.
571
572 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
573
574         Fix PR tree-optimization/22531
575         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
576          moment.
577
578 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
579
580         * tree-promote-statics.c (pass_promote_statics): Change dump file
581          name.
582
583 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
584
585         * tree-optimize.c (init_tree_optimization_passes): Add
586         pass_eliminate_useless_stores pass.
587         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
588         * tree-ssa-pre.c (is_copy_stmt): New function.
589         (follow_copies_till_vuse): Ditto.
590         (do_eustores): Ditto.
591         (gate_eustores): Ditto. 
592         
593 2005-07-16  Richard Henderson  <rth@redhat.com>
594
595         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
596
597 2005-07-16 Danny Berlin <dberlin@dberlin.org>
598            Kenneth Zadeck <zadeck@naturalbridge.com>
599
600         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
601         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
602         ipa-type-escape.h, tree-promote-statics.c
603         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
604         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
605         tree-promote-statics.c: new files.
606         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
607         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
608         int nonlocal_set_p, mark_constant_function): Deleted.
609         (rest_of_handle_cfg): Removed call to mark_constant_function. 
610         (nonoverlapping_component_refs_p): Added calls to support
611         type based aliasing.    
612         * tree-ssa-alias.c (may_alias_p,
613         compute_flow_insensitive_aliasing): Ditto.
614         * calls.c (flags_from_decl_or_type): Removed reference to
615         cgraph_rtl_info. 
616         * c-typeck.c (convert_arguments): Make builtins tolerant of having
617         too many arguments.  This is necessary for Spec 2000.
618         * cgraph.h (const_function, pure_function): Removed.
619         * common.opt: Added "fipa-pure-const", "fipa-reference",  
620         "fipa-type-escape", and "ftree-promote-static".
621         * opts.c: Ditto.
622         * passes.c: Added ipa and tree-promote-statics passes. 
623         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
624         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
625         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
626         * tree-flow.h: Added exposed sra calls and addition of 
627         reference_vars_info field for FUNCTION_DECLS.
628         * tree-pass.h: Added passes.
629         * tree-sra.c: (sra_init_cache): New function.
630         (sra_insert_before, sra_insert_after) Made public.
631         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
632         and made public.
633         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
634         aliasing. (may_alias_p): Added code to use type escape analysis to
635         improve alias sets.
636         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
637         code to prune clobbers of static variables based on information
638         produced in ipa-reference pass.  Changed call clobbering so that
639         statics are not marked as clobbered if the call does not clobber
640         them.
641
642 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
643
644         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
645         too.
646
647 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
648
649         * doc/install.texi (*-*-solaris2*): Document recommended version
650         of GNU binutils and mention GNU linker problem on Solaris 10.
651
652 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
653
654         PR c/22421
655         * c-decl.c (c_build_bitfield_integer_type): New function.
656         (finish_struct): Call it.
657         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
658
659 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
660
661         * c-typeck.c (digest_init): Call 'convert_for_assignment'
662         before returning.
663
664 2005-07-16  Jan Hubicka  <jh@suse.cz>
665
666         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
667         (scale_bbs_frequencies_int): Watch roundoff errors.
668         * predict.c (return_prediction): Initialize return_stmt.
669
670 2005-07-16  Jan Hubicka  <jh@suse.cz>
671
672         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
673         after RTL profiling.
674
675 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
676
677         PR middle-end/22398
678         * fold-const.c (build_range_check): Convert high/low to etype
679         if we are only comparing against exp.
680
681 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
682
683         Fix PR tree-optimization/22376
684         * tree-ssa-structalias.c (build_constraint_graph): We really meant
685         special var here.
686         (need_to_solve): New function.
687         (compute_points_to_sets): Use it.
688         
689 2005-07-15  Jan Hubicka  <jh@suse.cz>
690
691         * cfg.c (update_bb_profile_for_threading): More diagnostic.
692         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
693
694 2005-07-15  Richard Guenther  <rguenther@suse.de>
695
696         * c-common.c (handle_flatten_attribute): New function.
697         Add flatten function attribute.
698         * doc/extend.texi: Document flatten function attribute.
699         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
700         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
701         New functions.
702         (cgraph_decide_inlining): Handle functions with flatten
703         attribute.
704
705 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
706
707         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
708         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
709         UNSPEC_XCHG, UNSPEC_AND): New.
710         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
711         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
712         * config/rs6000/sync.md (FETCHOP): New code macro.
713         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
714         New code attrs.
715         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
716         (sync_compare_and_swap<mode>): Same.
717         (sync_lock_test_and_set<mode>): Same.
718         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
719         for QImode and HImode, and not PPC405.
720         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
721         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
722         (sync_<fetchop>{si,di}_internal): New.
723         (sync_nand{si,di}_internal): New.
724         (sync_old_<fetchop>{si,di}_internal): New.
725         (sync_old_nand{si,di}_internal): New
726         (sync_new_<fetchop>{si,di}_internal): New.
727         (sync_new_nand{si,di}_internal): New.
728         (atomic_and{si,di}): New.
729         (sync_new_nand{si,di}_internal): New.
730         (atomic_and{si,di}): New.
731         (sync_add<mode>_internal): Delete.
732         (sync_addshort_internal): Use unspec instead of unspec_volatile.
733         (sync_sub<mode>_internal): Delte.
734         (sync_subshort_internal): New.
735         (sync_andsi_internal): Use unspec instead of unspec_volatile.
736         (sync_anddi_internal): Delete.
737         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
738         (sync_booldi_internal): Delete.
739         (sync_boolc<mode>_internal): Delete.
740         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
741         (sync_boolc<mode>_internal2): Delete.
742         (sync_boolcc<mode>_internal): Delete.
743         (isync, lwsync): Use unspec instead of unspec_volatile.
744         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
745         Revert UNSPEC_VOLATILE.
746         (rs6000_split_atomic_op): New.
747         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
748
749 2005-07-14  Eric Christopher  <echristo@redhat.com>
750
751         * config/mips/mips.c (mips_canonicalize_comparison): Cast
752         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
753
754 2005-07-14  Eric Christopher  <echristo@redhat.com>
755
756         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
757
758 2005-07-14  Steven Bosscher  <stevenb@suse.de>
759
760         PR tree-optimization/22230
761         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
762         the computation of the four cross productions for "range op range".
763
764 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
765             Ulrich Weigand  <uweigand@de.ibm.com>
766
767         PR target/20126
768         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
769         in some insn.
770
771 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
772
773         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
774
775 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
776
777         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
778
779 2005-07-14  Richard Guenther  <rguenther@suse.de>
780
781         PR middle-end/22347
782         * config/i386/i386-protos.h (ix86_function_value): Change
783         prototype to match new target hook.
784         * config/i386/i386.c (ix86_value_regno): Change prototype
785         to take extra type argument.
786         (TARGET_FUNCTION_VALUE): Define.
787         (ix86_function_ok_for_sibcall): Pass extra argument to
788         ix86_value_regno, check return slot rtx for exact match.
789         (ix86_function_value): Take extra parameter.  Dispatch to
790         ix86_value_regno with fndecl/fntype as provided.
791         (ix86_value_regno): Handle extra type argument.
792         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
793
794         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
795         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
796         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
797         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
798         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
799
800 2005-07-14  Richard Guenther  <rguenther@suse.de>
801
802         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
803         * calls.c (expand_call): Pass fntype to hard_function_value.
804         (emit_library_call_value_1): Likewise.
805         * explow.c: Include target.h.
806         (hard_function_value): Take extra argument, the fntype.
807         Use new target hook for function_value.
808         * expr.h (hard_function_value): Change prototype.
809         * function.c (aggregate_value_p): Pass 0 as fntype to
810         hard_function_value.
811         (assign_parms): Use new target hook for function_value.
812         Pass 0 as fntype to hard_function_value.
813         (expand_function_end): Likewise.
814         * reg-stack.c: Include target.h.
815         (stack_result): Use new target hook for function_value.
816         * target-def.h: New target hook function_value.
817         * target.h: Likewise.
818         * targhooks.c (default_function_value): New function.
819         * targhooks.h (default_function_value): Declare.
820
821 2005-07-13  Ian Lance Taylor  <ian@airs.com>
822
823         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
824
825 2005-07-14  Jan Hubicka  <jh@suse.cz>
826
827         * tree-dfa.c (dump_variable): Use default_def function.
828         * tree-ssa-alias.c (dump_points_to_info): Likewise.
829         * tree-ssa.c (verify_use): Likewise.
830         * tree-ssanames.c (release_ssa_name): Likewise.
831         * tree-tailcall.c (eliminate_tail_call): Likewise.
832         (tree_optimize_tail_calls_1): Likewise.
833         * tree-vrp.c (get_value_range): Likewise.
834
835 2005-07-14  Ben Elliston  <bje@au.ibm.com>
836
837         * gcc.c (main): Compare language[0] with '*' when iterating over
838         the infiles.
839
840 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
841
842         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
843         "s390_emit_compare".  Add handling of CCZ1mode.
844         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
845         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
846         checking.
847         (s390_branch_condition_mask): Add CCZ1mode handling.
848         * config/s390/s390.md: ("seq", "*seq"): New pattern.
849         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
850         Use CCZ1mode instead of CCZmode.
851         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
852
853 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
854
855         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
856         pattern.
857         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
858
859 2005-07-13  Eric Christopher  <echristo@redhat.com>
860
861         * config/mips/mips.c (mips_canonicalize_comparison): New.
862         (mips_emit_int_relational): Use.
863
864 2005-07-13  Eric Christopher  <echristo@redhat.com>
865
866         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
867         static extra parts.
868         * config/s390/s390.md: Include tpf.md. Move tpf specific
869         patterns...
870         * config/s390/tpf.md: To here.
871         * config/s390/s390.opt: Move tpf specific options...
872         * config/s390/tpf.opt: to here. Add mmain option.
873         * config/s390/tpf-unwind.h: Remove unnecessary defines.
874         * config/s390/tpf.h: Rewrite.
875
876 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
877
878         * doc/tm.texi: Remove @xref{Cross-profiling}.
879
880 2005-07-13  Jeff Law  <law@redhat.com>
881
882         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
883         expressions, test their _DECL operands for pointer equality rather
884         than using operand_equal_p.
885
886 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
887
888         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
889         (TARGET_POSIX_IO): This.
890         * config/darwin.h: Likewise.
891         * config/freebsd.h: Likewise.
892         * config/linux.h: Likewise.
893         * config/lynx.h: Likewise.
894         * config/netbsd.h: Likewise.
895         * config/rs6000/linux64.h: Likewise.
896         * config/rs6000/linux.h: Likewise.
897         * config/s390/tpf.h: Likewise.
898         * config/sh/embed-elf.h: Likewise.
899         * config/sparc/linux64.h: Likewise.
900         * config/sparc/linux.h: Likewise.
901         * config/svr4.h: Likewise.
902         * gcov-io.h: Likewise.
903
904         * doc/tm.texi: Updated.
905
906         * libgcov.c (create_file_directory): Defined only if
907         TARGET_POSIX_IO is defined.
908         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
909         is defined.
910
911 2005-07-13  Jan Hubicka  <jh@suse.cz>
912
913         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
914
915 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
916
917         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
918         structure as argument.
919
920 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
921
922         PR tree-optimization/21921
923         * tree-iterator.c (tsi_link_before): Support the case when
924         tsi_end_p (tsi) == true.
925
926 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
927
928         PR tree-optimization/22442
929         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
930         correctly.
931
932 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
933
934         PR rtl-optimization/20376
935         * toplev.c (process_options): Enable -fweb and -frename-registers when
936         unrolling.
937         * doc/invoke.texi: Update the information about when -fweb and
938         -frename-registers are enabled.
939
940 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
941
942         PR tree-opt/21840
943         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
944         if *rhs_p is not a SSA_NAME.
945
946 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
947         
948         Fix PR tree-optimization/22422 
949         * tree-ssa-structalias.c (struct variable_info): Add flag for
950         special vars.
951         (get_varinfo): Now a static function.
952         (new_varinfo): init has_union and is_special_var to false.
953         (solution_set_add): Check has_union.
954         (do_da_constraint): Move temporary variable so it gets reset
955         properly.
956         Also check for special variable.
957         (do_ds_constraint): Ditto.
958         (do_sd_constraint): Ditto.
959         (do_structure_copy): Check for special variable.
960         (find_func_aliases): Ditto.
961         (init_base_vars): Set special vars properly.    
962
963 2005-07-13  Jan Hubicka  <jh@suse.cz>
964
965         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
966         do unit-at-a-time.
967
968         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
969         (get_expr_operands): Fix thinko wrt flags and subvars.
970
971         PR tree-optimize/22379
972         * tree-inline.c (expand_call_inline): Do not output sorry in early
973         inlining.
974
975 2005-07-12  Dale Johannesen  <dalej@apple.com>
976
977         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
978
979 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
980
981         PR bootstrap/21704
982         * host-linux.h: Include limits.h.
983
984 2005-07-12  Dale Johannesen  <dalej@apple.com>
985
986         * expr.c (compress_float_constant):  Add cost check.
987         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
988
989 2005-07-12  Dale Johannesen  <dalej@apple.com>
990
991         * gcc.target/i386/compress-float-sse.c:  New.
992         * gcc.target/i386/compress-float-sse-pic.c:  New.
993         * gcc.target/i386/compress-float-387.c:  New.
994         * gcc.target/i386/compress-float-387-pic.c:  New.
995         * gcc.dg/compress-float-ppc.c:  New.
996         * gcc.dg/compress-float-ppc-pic.c:  New.
997
998 2005-07-12  Eric Christopher  <echristo@redhat.com>
999
1000         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1001         static extra parts.
1002         * config/s390/s390.md: Include tpf.md. Move tpf specific
1003         patterns...
1004         * config/s390/tpf.md: To here.
1005         * config/s390/s390.opt: Move tpf specific options...
1006         * config/s390/tpf.opt: to here. Add mmain option.
1007         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1008         * config/s390/tpf.h: Rewrite.
1009
1010 2005-07-12  Eric Christopher  <echristo@redhat.com>
1011
1012         * gcc.c (struct infile): Update comment for language.
1013         (main): Rewrite input file resetting code.
1014
1015 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1016
1017         PR tree-opt/22335
1018         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
1019         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
1020         (lookup_avail_expr): Use constant_boolean_node instead
1021         of boolean_false_node/boolean_true_node.
1022
1023 2005-07-12  Ben Elliston  <bje@au.ibm.com>
1024
1025         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
1026         and use it when printing num_edges.
1027
1028 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1029
1030         * doc/extend.texi (Blackfin Built-in Functions): New section.
1031         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
1032         @opindex.
1033
1034 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
1035
1036         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
1037         s/cmpstrsi/cmpstrnsi
1038         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
1039         'cmpstrnsi'.
1040         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
1041         (init_optabs): Initialize cmpstrn_optab.
1042         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
1043         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
1044         * expr.c: (enum insn_code cmpstrn_optab): Declare.
1045         * config/i386/i386.md: s/cmpstr/cmpstrn
1046         * config/c4x/c4x.md: s/cmpstr/cmpstrn
1047         * doc/md.texi: Update documentation.
1048
1049 2005-07-11  Richard Henderson  <rth@redhat.com>
1050
1051         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
1052         build_va_arg_indirect_ref.
1053         (alpha_gimplify_va_arg): Likewise.
1054         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1055         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1056         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
1057         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1058         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1059         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
1060         Likewise.
1061         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1062
1063 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1064
1065         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
1066         * passes.c (init_optimization_passes): Add pass_empty_loop.
1067         * tree-pass.h (pass_empty_loop): Declare.
1068         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
1069         try_remove_empty_loop, remove_empty_loops): New functions.
1070         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
1071         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
1072
1073 2005-07-12  Peter Barada  <peter@the-baradas.com>
1074
1075         PR middle-end/16719
1076         PR middle-end/18421
1077         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
1078         in address registers.
1079         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
1080         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
1081         alternative of addsi3_5200.
1082
1083 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1084
1085         * config/mips/mips.md (ffs<mode>2): Remove.
1086
1087 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1088
1089         * doc/tree-ssa.texi (Cleanups): Improve description of
1090         TRY_FINALLY_EXPR.
1091         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
1092
1093 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1094         
1095         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
1096         * tree.h (DECL_ARGUMENT_FLD): New macro.
1097
1098 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1099         
1100         Fix PR tree-optimization/22404
1101
1102         * tree-ssa-structalias.c (create_variable_info_for): Use
1103         correct offset.
1104
1105 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1106
1107         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
1108         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
1109         for second comparison operand.
1110         * config/bfin/predicates.md (reg_or_const_int_operand): New.
1111
1112         * config/bfin/bfin.md (define_attr "type"): Add "sync".
1113         (define_insn_reservation "alu"): Likewise.
1114         (csync, ssync): Now of type sync.
1115         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
1116         -mcsync-anomaly -mspecld-anomaly.
1117         * config/bfin/bfin.opt (mcsync): Remove.
1118         (mcsync-anomaly, mspecld-anomaly): Add.
1119         * config/bfin/bfin.c: Include "insn-codes.h".
1120         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
1121         (TARGET_DEFAULT_TARGET_FLAGS): New.
1122         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
1123
1124 2005-07-11  Steven Bosscher  <stevenb@suse.de>
1125
1126         * basic-block.h: Give the BB flags enum a name, bb_flags.
1127         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
1128         * cfgcleanup.c (enum bb_flags): Remove here.
1129         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
1130         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
1131         (update_forwarder_flag): Likewise.
1132         (thread_jump): Likewise.
1133         (try_forward_edges): Likewise.
1134         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
1135         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
1136         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
1137
1138 2005-07-11  Richard Guenther  <rguenther@suse.de>
1139
1140         * config/i386/i386.opt: New target option -msseregparm.
1141         * config/i386/i386.c (override_options): Error out for
1142         -msseregparm but no SSE support.
1143         (ix86_function_sseregparm): Check for global sseregparm.
1144         * doc/invoke.texi: Document -msseregparm.
1145
1146 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1147
1148         * config.gcc (m32r-*-linux*): Use the default extra_parts.
1149         (m32rle-*-linux*): Ditto.
1150
1151 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
1152
1153         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
1154         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
1155         bytes.
1156
1157 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1158
1159         PR middle-end/22239
1160         PR target/20126
1161         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
1162         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
1163
1164 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
1165
1166         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
1167         (varmap): Heapify varmap.
1168         (constraints): Heapify constraints.
1169         (struct constraint_graph): Heapify succs and preds.
1170         (constraint_vec_find): Update for heapification.
1171         (constraint_set_union): Ditto.
1172         (insert_into_complex): Ditto.
1173         (constraint_edge_vec_find): Ditto.
1174         (erase_graph_self_edge): Ditto.
1175         (add_graph_edge): Ditto.
1176         (get_graph_weights): Ditto.
1177         (merge_graph_nodes): Ditto.
1178         (build_constraint_graph): Ditto.
1179         (topo_visit): Ditto.
1180         (solve_graph): Ditto.
1181         (create_variable_info_for): Ditto.
1182         (init_base_vars): Ditto.
1183         (delete_points_to_sets): Free graph, varmap, and complex constraints.
1184         (condese_varmap_nodes): Free complex vector.
1185         (clear_edges_for_node): Clear succs and preds vector.
1186
1187 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1188
1189         * tree-ssa-structalias.c (update_alias_info): Change counting of
1190         references to not include vdefs.
1191         
1192 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1193
1194         * tree-ssa-alias.c (free_used_part_map): Add missing free.
1195         (up_insert): Ditto.
1196
1197 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1198
1199         * pa.c (pa_commutative_p): Make PLUS commutative when
1200         TARGET_NO_SPACE_REGS is true.
1201
1202 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1203
1204         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
1205         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
1206         * tree-dfa.c (dump_subvars_for): New.
1207         (debug_subvars_for): New.
1208         (dump_variable): Show subvariables if VAR has them.
1209         * tree-flow-inline.h (get_subvar_at): New.
1210         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
1211         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
1212         Update all users.
1213         (struct subvar): Change fields offset and size to unsigned
1214         HOST_WIDE_INT.
1215         (dump_subvars_for): Declare.
1216         (debug_subvars_for): Declare.
1217         (get_subvar_at): Declare.
1218         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
1219         to unsigned HOST_WIDE_INT *.
1220         (overlap_subvar): Likewise.
1221         * tree-gimple.c (is_gimple_reg): Always return false for
1222         SFTs and memory tags.
1223         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
1224         Update all callers.
1225         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
1226         (compute_may_aliases): Call compute_points_to_sets.
1227         (collect_points_to_info_for): Remove.
1228         (compute_points_to_and_addr_escape): Remove.
1229         (delete_alias_info): Call delete_points_to_sets.
1230         (compute_flow_sensitive_aliasing): If the call to
1231         find_what_p_points_to returns false, call set_pt_anything.
1232         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
1233         (set_pt_anything): Clear pi->pt_vars.
1234         (set_pt_malloc): Remove.
1235         (merge_pointed_to_info): Remove.
1236         (add_pointed_to_expr): Remove.
1237         (add_pointed_to_var): Remove.
1238         (collect_points_to_info_r): Remove.
1239         (is_escape_site): Make extern.
1240         (create_sft): New.
1241         (create_overlap_variables_for): Call it.
1242         * tree-ssa-copy.c (merge_alias_info): Never merge
1243         flow-sensitive alias information.
1244         * tree-ssa-operands.c (get_expr_operands): Adjust variables
1245         offset and size to be unsigned HOST_WIDE_INT.
1246         (add_to_addressable_set): Rename from note_addressable.
1247         Set TREE_ADDRESSABLE as the variables are added to the set.
1248         Update all users.
1249         (add_stmt_operand): Do not try to micro-optimize unmodifiable
1250         operands into VUSEs when adding V_MAY_DEFs for members in an
1251         alias set.
1252         * tree-ssa-operands.h (add_to_addressable_set): Declare.
1253         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
1254         (struct variable_info): Add bitfield is_heap_var.
1255         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
1256         (new_var_info): Initialize is_heap_var.
1257         (get_constraint_for): Add HEAP variables to the symbol table.
1258         Mark them with is_heap_var.
1259         (update_alias_info): New.  Taken mostly from the old
1260         compute_points_to_and_addr_escape.
1261         (handle_ptr_arith): New.
1262         (find_func_aliases): Call update_alias_info.
1263         Call handle_ptr_info for tcc_binary expressions.
1264         Call mark_stmt_modified.
1265         (create_variable_info_for): If DECL has subvars, do not create
1266         variables for its subvars.  Always add all the fields.
1267         (set_uids_in_ptset): If the solution includes ANYOFFSET and
1268         SFTs, then add all the SFTs of the structure.
1269         If VI->DECL is an aggregate with subvariables, add the SFT at
1270         VI->OFFSET.
1271         (find_what_p_points_to): If VI is an artificial variable,
1272         translate to bitfields in SSA_NAME_PTR_INFO.
1273         If the solution is empty, set pi->pt_vars to NULL
1274         (init_base_vars): Create ANYOFFSET.
1275         (compute_points_to_sets): Rename from create_alias_vars.
1276         Make extern.
1277         (pass_build_pta): Remove.
1278         (delete_points_to_sets): Rename from delete_alias_vars.
1279         (pass_del_pta): Remove.
1280         * tree-ssa-structalias.h (struct alias_info): Move from
1281         tree-ssa-alias.h.
1282         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
1283         NUM_REFERENCES_SET): Likewise.
1284         (compute_points_to_sets, delete_points_to_sets): Declare.
1285
1286 2005-07-09  Richard Henderson  <rth@redhat.com>
1287
1288         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
1289         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
1290         alpha_split_lock_test_and_set_12): New functions.
1291         * config/alpha/alpha-protos.h: Update.
1292         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
1293         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
1294         * config/alpha/sync.md (I12MODE): New.
1295         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
1296         (sync_<fetchop_name><I48MODE>): Likewise.
1297         (sync_nand<I48MODE>): Likewise.
1298         (sync_old_<fetchop_name><I48MODE>): Likewise.
1299         (sync_new_<fetchop_name><I48MODE>): Likewise.
1300         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1301         (sync_compare_and_swap<I48MODE>): Likewise.
1302         (sync_lock_test_and_set<I48MODE>): Likewise.
1303         (sync_compare_and_swap<I12MODE>): New.
1304         (sync_compare_and_swap<I12MODE>_1): New.
1305         (sync_lock_test_and_set<I12MODE>): New.
1306         (sync_lock_test_and_set<I12MODE>_1): New.
1307
1308 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1309
1310         PR 21356
1311         PR 22332
1312         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
1313
1314 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
1315
1316         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
1317         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
1318
1319 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
1320
1321         PR target/21656
1322         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1323
1324 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
1325
1326         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
1327         memory_operand constraint.
1328         (store_conditional_<mode>): Same.
1329         (sync_compare_and_swap<mode>): Same.
1330         (sync_lock_test_and_set<mode>): Same.
1331
1332 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
1333
1334         Rewrite PIC support to more closely model actual instructions.
1335         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
1336         (cris_symbol): Remove prototypes for removed functions.
1337         (cris_pic_symbol_type_of, cris_valid_pic_const)
1338         (cris_expand_pic_call_address): Prototypes for new functions.
1339         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
1340         variable.
1341         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
1342         modifiers.
1343         <case ':'>: Add case for new punctuation character.
1344         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
1345         emitting (extra) PIC modifier.
1346         <case UNSPEC>: Do not assert for PLT.
1347         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
1348         (cris_expand_prologue, cris_expand_epilogue): Check
1349         for pic_offset_table_rtx usage instead of taking
1350         current_function_uses_pic_offset_table as the final word.
1351         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
1352         Remove flag_pic difference.
1353         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
1354         the moral equivalents of...
1355         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
1356         functions.
1357         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
1358         (cris_handle_option): Mark ARG as unused.
1359         (cris_expand_pic_call_address): New worker function for "call",
1360         "call_value".
1361         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
1362         output PIC constructs here.
1363         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
1364         as symbol-specific modifers, not whole or part of operands.
1365         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
1366         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
1367         constants and flag_pic.
1368         (CONSTANT_INDEX_P): Adjust for new functions.
1369         (enum cris_pic_symbol_type): New helper type.
1370         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
1371         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
1372         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
1373         define_constants.
1374         ("movsi"): Emit actual instructions for GOT and relative access.
1375         ("*movsi_got_load"): New pattern to set up the register holding
1376         the GOT pointer.
1377         ("*movsi_internal"): Operand 1 is not a plain general_operand.
1378         Adjust FIXME for 'S'.
1379         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
1380         Use "movs" for -fpic cases.
1381         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
1382         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
1383         ("call", "call_value"): Just call cris_expand_pic_call_address for
1384         PIC addresses.
1385         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
1386         Remove special pattern.
1387         ("*expanded_call_side", "*expanded_call_value_side"): New
1388         patterns.
1389         (gotplt-to-plt, gotplt-to-plt-side-call)
1390         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
1391         peephole2:s.
1392         * config/cris/cris/predicates.md
1393         ("cris_general_operand_or_gotless_symbol"): Remove unused
1394         predicate.
1395         ("cris_general_operand_or_symbol"): Adjust for new functions.
1396
1397 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1398
1399         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
1400
1401 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
1402
1403         * Makefile.in (TREE_H): Add treestruct.def.
1404         (c-decl.o): Add pointer-set.h
1405         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
1406         visibility on regular DECL's.
1407         (merge_decls): Fix the copying of decl nodes of various types for
1408         the new structures.  Don't update RTL, section name, weak status,
1409         etc, on DECL's without RTL.     
1410         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
1411         Don't check volatile on non-variable types.
1412         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
1413         to check whether we have seen arguments.
1414         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
1415         flag is checked before field (flag is common, field is not).    
1416         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
1417         TS_DECL_COMMON could have an origin.
1418         (add_location_or_const_value_attribute): Don't check section name
1419         on non-var/function decls.
1420         (dwarf2out_var_location): Reverse order of tests.
1421         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
1422         with DECL_WRTL_CHECK.
1423         * expmed.c (make_tree): rtl is now in decl_with_rtl.
1424         * fold-const.c (fold_binary): Don't check weakness on
1425         non-var/function decls.
1426         (tree_expr_nonzero_p): Ditto.
1427         (fold_checksum_tree): Use tree_decl_extra as sizeof
1428         buffer.
1429         * ggc-page.c (extra_order_size_table): Add sizes for
1430         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
1431         tree_field_decl.
1432         * gimplify.c (gimplify_bind_expr): Only set
1433         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
1434         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
1435         without RTL.
1436         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
1437         * langhooks.h (init_ts). New langhook.
1438         * passes.c (rest_of_decl_compilation): Reverse order of tests.
1439         * print-tree.c (print_node): Update to only print fields that
1440         exist in the structures the passed decl has.
1441         * toplev.c (wrapup_global_declarations): Don't reset
1442         DECL_DEFER_OUTPUT on DECL's that don't contain it.
1443         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
1444         * tree-inline.c (remap_decl): Ditto.
1445         * tree-outof-ssa.c (create_temp): Reverse order of tests.
1446         * tree-pretty-print.c (print_declaration): Don't print
1447         DECL_REGISTER on things that don't contain it.
1448         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
1449         non-var/function decls.
1450         * tree.c (tree_contains_struct): New structure.
1451         (init_priority_for_decl): New hashtable.
1452         (tree_int_map): New structure.
1453         (tree_int_map_eq): New function.
1454         (tree_int_map_marked_p): Ditto.
1455         (tree_int_map_hash): Ditto.
1456         (tree_map): Move to tree.h.
1457         (tree_map_eq): Externalize.
1458         (tree_map_hash): Ditto.
1459         (tree_map_marked_p): Ditto.
1460         (init_ttree): Set up tree_contains_struct and call langhook.
1461         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
1462         (tree_code_size): Update for new structures.
1463         (tree_node_structure): Update for new structures.
1464         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
1465         without the field.
1466         (copy_node_stat):  Copy init priority.
1467         (build_decl_stat): Ditto for visibility.
1468         (ts_enum_names): New.
1469         (tree_contains_struct_check_failed): New function.
1470         (decl_init_priority_lookup): Ditto.
1471         (decl_init_priority_insert): Ditto.
1472         * treestruct.def: New file.
1473         * tree.h (CODE_CONTAINS_STRUCT): New macro.
1474         (CONTAINS_STRUCT_CHECK): Ditto.
1475         (tree_contains_struct_check_failed): New prototype.
1476         (DECL_CHECK): Removed.
1477         (DECL_MINIMAL_CHECK): New.
1478         (DECL_COMMON_CHECK): Ditto.
1479         (DECL_WRTL_CHECK): Ditto.
1480         (DECL_NON_COMMON_CHECK): Ditto.
1481         (DECL_WITH_VIS_CHECK): Ditto.
1482         (VAR_OR_FUNCTION_DECL_P): Ditto
1483         (struct tree_decl_minimal): New structure.
1484         (struct tree_decl_common): Ditto.
1485         (struct tree_decl_with_rtl): Ditto.
1486         (struct tree_decl_with_vis): Ditto.
1487         (struct tree_decl_non_common): Ditto.
1488         (struct tree_field_decl): Ditto.
1489         (struct tree_parm_decl): Ditto.
1490         (struct tree_var_decl): Ditto.
1491         (struct tree_function_decl): Ditto.
1492         (struct tree_const_decl): Ditto.
1493         (struct tree_result_decl): Ditto.
1494         (union tree_node): Add new structures.
1495         * var-tracking.c (track_expr_p): Reverse order of tests.
1496         
1497         * doc/c-tree.texi: Add documentation on DECL node internal structure.
1498
1499 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1500
1501         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
1502         * system.h: Poison FINALIZE_PIC.
1503         * doc/tm.texi (FINALIZE_PIC): Remove.
1504
1505 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1506
1507         PR tree-opt/22329
1508         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
1509         to the correct type if we have a MODIFY_EXPR.
1510
1511 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1512
1513         PR tree-optimization/22360
1514         * tree.c (upper_bound_in_type): Fix calculations for casting
1515         to a non-wider signed type and casting a signed value to a
1516         wider unsigned type.
1517         (lower_bound_in_type): Fix calculations for casting to a
1518         non-wider signed type.
1519
1520         PR tree-optimization/20139
1521         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
1522         release_defs.
1523         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
1524         fold_cond_expr_cond.
1525         * tree-ssanames.c (release_defs): Assert in_ssa_p.
1526         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
1527
1528 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1529
1530         PR tree-opt/22356
1531         * tree-complex.c (expand_complex_libcall): Produce
1532         REALPART_EXPR/IMAGPART_EXPR with the correct type.
1533
1534 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
1535
1536         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
1537         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
1538         b" assert and inserted fastpath code for this case.
1539         (bitmap_ior): Removed "a != b" assert.
1540
1541 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1542
1543         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
1544         (ENDFILE_SPEC): Likewise.
1545         * config/m32r/m32r.h (ASM_SPEC): Likewise.
1546
1547         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
1548         a large stack frame at epilogue.
1549
1550 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
1551
1552         * final.c: Include sdbout.h when required.
1553
1554 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
1555
1556         * config.gcc (*-*-darwin*): Only one target-specific header file
1557         for generic darwin.
1558         (powerpc-*-darwin*): Add version-specific header files.
1559         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
1560         * config.in: Regenerate.
1561         * configure: Regenerate.
1562         * gcc.c: Include xregex.h.
1563         (version_compare_spec_function): New.
1564         (spec_function): Add version-compare.
1565         (replace_outfile_spec_function): Reformat comment.
1566         (compare_version_strings): New.
1567         * config/darwin-c.c (version_as_macro): New.
1568         (builtin_define): New.
1569         (darwin_cpp_builtins): New.
1570         * config/darwin-protos.h (darwin_cpp_builtins): New.
1571         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
1572         (LIB_SPEC): Make unconditional, update comment.
1573         (TARGET_C99_FUNCTIONS): Define.
1574         * config/darwin.opt: Sort.
1575         (mmacosx-version-min=): New.
1576         * config/darwin7.h: Delete.
1577         * config/darwin8.h: Delete.
1578         * config/i386/darwin.h (): Call darwin_cpp_builtins.
1579         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
1580         (TARGET_C99_FUNCTIONS): Define.
1581         * config/rs6000/darwin7.h: New.
1582         * config/rs6000/darwin8.h: New.
1583         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
1584         (-mmacosx-version-min): Document.
1585
1586 2005-07-07  Ian Lance Taylor  <ian@airs.com>
1587
1588         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
1589
1590 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
1591
1592         PR middle-end/22239
1593         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
1594
1595 2005-07-07  Khem Raj  <kraj@mvista.com>
1596
1597         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
1598         in bytes, not words.
1599
1600 2005-07-07  Paul Brook  <paul@codesourcery.com>
1601
1602         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
1603         DEFAULT_FUNCTION_ARG_PADDING to upward.
1604
1605 2005-07-07  Richard Henderson  <rth@redhat.com>
1606
1607         * function.c (locate_and_pad_parm): Record parameter alignment in
1608         stack_alignment_needed.
1609
1610 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
1611
1612         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
1613         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
1614         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
1615         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
1616         (define_attr "type"): Add isync, sync, load_l, store_c.
1617         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
1618         Create scratch volatile MEM.
1619         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
1620         sync.
1621         (load_locked_<mode>): New.
1622         (store_conditional_<mode>): New.
1623         (sync_compare_and_swap<mode>): Replace with splitter.
1624         (sync_lock_test_and_set<mode>): Replace with splitter.
1625         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
1626         and UNSPECV_ISYNC.
1627         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
1628         is ics.  Attribute isync.
1629         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
1630         lwsync.
1631         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
1632         and UNSPECV_SYNC_OP.
1633         (emit_unlikely_jump): New.
1634         (emit_load_locked): New.
1635         (emit_store_conditional): New.
1636         (rs6000_split_compare_and_swap): New.
1637         (rs6000_split_lock_test_and_set): New.
1638         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
1639         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
1640         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
1641         rs6000_split_lock_test_and_set): Declare.
1642         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
1643         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
1644         store_c, isync, sync.
1645
1646 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
1647
1648         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
1649         filenames to gtyp-gen.h.
1650         (s-typ-gen): Use it in place of for loops.
1651
1652 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
1653
1654         * hooks.c (hook_bool_rtx_int_false): New function.
1655         * hooks.h (hook_bool_rtx_int_false): Declare.
1656         * target-def.h (TARGET_COMMUTATIVE_P): Define.
1657         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
1658         * target.h (struct gcc_target): Add commutative_p member.
1659         * targhooks.c (hook_bool_rtx_commutative_p): New function.
1660         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
1661         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
1662         (pa_commutative_p): New function.
1663         * jump.c (target.h): Include.
1664         (rtx_renumbered_equal_p): Use targetm.commutative_p.
1665         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
1666
1667 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1668
1669         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
1670         (s390_expand_setmem): New.
1671         * config/s390/s390.c: Likewise. 
1672         (print_shift_count_operand): Truncate to 12 bits instead of 6.
1673         Adapt comments.
1674         * config/s390/s390.md: ("setmem<mode>"): Accept character as
1675         general_operand.  Call new function "s390_expand_setmem".
1676         ("clrmem_long", "*clrmem_long"): Rewrite to ...
1677         ("setmem_long", "*setmem_long"): ... this.
1678
1679 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1680         
1681         * config/s390/s390.c: (optimization_options): Enable
1682         TARGET_MVCLE at -Os.
1683         * doc/invoke.texi: Document changes in default behaviour.
1684         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
1685
1686 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1687
1688         * expr.c: (set_storage_via_setmem): Convert opchar to mode
1689         defined by back-end.
1690
1691 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
1692
1693         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
1694         all sets in the pattern.
1695         * config/rs6000/rs6000.md (stack_protect_testsi,
1696         stack_protect_testdi): Likewise.
1697
1698 2005-07-06  Jeff Law  <law@redhat.com>
1699
1700         * tree-vrp.c (simplify_using_ranges): Kill.
1701         (vrp_finalize): Remove call to simplify_using_ranges.
1702         (simplify_stmt_using_ranges): New function extracted from
1703         simplify_using_ranges.
1704         (simplify_div_or_mod_using_ranges): Likewise.
1705         (simplify_abs_using_ranges): Likewise.
1706         (simplify_cond_using_ranges): New function.
1707         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
1708         * tree-ssa-propagate.c (substitute_and_fold): Call
1709         simplify_stmt_using_ranges if we have range information.
1710
1711 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
1712
1713         * config/ia64/ia64.c (ia64_reorg): Check optimize before
1714         ia64_flag_schedule_isns2.
1715
1716         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
1717         reading/writing general registers.
1718         (ia64_function_arg): Revert 2005-06-18 change.
1719
1720 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1721
1722         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
1723         (legitimize_tls_address): Use gcc_unreachable instead of abort.
1724
1725 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
1726
1727         * function.c (expand_function_end): Revert part of 2005-06-27
1728         patch.  Do sjlj_emit_function_exit_after after return_label.
1729
1730 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1731
1732         * doc/install.texi (--disable-libssp): New.
1733
1734 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
1735
1736         * doc/invoke.texi: Update -fforce-mem documentation.
1737         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
1738         code for -fforce-mem.
1739         * expmed.c: (store_bit_field,store_fixed_bit_field,
1740         extract_bit_field): Ditto.
1741         * expr.c: (convert_move): Ditto.
1742         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
1743         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
1744         emit_conditional_add,expand_float,expand_fix): Ditto.
1745         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
1746         (common_handle_option): Issue warning when -fforce-mem specified.
1747
1748 2005-07-06  Paul Brook  <paul@codesourcery.com>
1749
1750         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
1751         argument is empty.
1752         * configure: Regenerate.
1753
1754 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
1755
1756         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
1757
1758 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
1759
1760         Fix PR tree-optimization/22319
1761         Fix PR tree-optimization/22140
1762         Fix PR tree-optimization/22310
1763
1764         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
1765         variable sized types.
1766         Use correct type for intermediate structure on *a = *b structure
1767         copies.
1768                 
1769 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1770
1771         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
1772         Remove.
1773         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
1774         (machine_function): Move typedef to...
1775         * config/rs6000/rs6000.c (machine_function): ... here.  Add
1776         varargs_save_offset field.
1777         (rs6000_stack_t): Remove varargs_size field.
1778         (setup_incoming_varargs): Allocate varargs save area using
1779         assign_stack_local, try to make it as small as possible.
1780         Save offset from virtual_stack_vars_rtx to the save area
1781         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
1782         instead of magic 8 when fp word byte size is used.
1783         (rs6000_va_start): Use cfun->machine->varargs_save_offset
1784         instead of -RS6000_VARARGS_SIZE.
1785         (rs6000_stack_info, debug_stack_info,
1786         rs6000_initial_elimination_offset): Remove all traces of
1787         varargs_size.
1788         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
1789         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
1790         RS6000_VARARGS_AREA.
1791
1792 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
1793
1794         PR tree-optimization/21963
1795         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
1796         constant_multiple_of in the same way get_computation_cost_at does.
1797
1798 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1799
1800         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
1801         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
1802         (gen_compare_reg): If sparc_compare_emitted is set, clear it
1803         and return its previous value.
1804         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
1805         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
1806         constants.
1807         (stack_protect_set, stack_protect_test): New expanders.
1808         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
1809         stack_protect_testdi): New insns.
1810         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1811         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
1812
1813 2005-07-06  Jeff Law  <law@redhat.com>
1814
1815         * tree-ssa-dce.c (cfg_altered): New global.
1816         (tree_dce_init): Initialize cfg_altered.
1817         (remove_dead_stmt): If we remove an edge in the CFG, then set
1818         CFG_ALTERED.
1819         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
1820         the dominators.
1821
1822 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1823
1824         * Makefile.in (stamp-collect-ld): Use
1825         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
1826         ./collect-ld if it already exists.
1827         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
1828         Don't remove ./nm if it already exists.
1829
1830 2005-07-05  Devang Patel  <dpatel@apple.com>
1831
1832         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
1833         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
1834         * tree-vectorizer.c (vect_loop_location): New.
1835         (vect_print_dump_info): Use vect_loop_location.
1836         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
1837         (vectorize_loops): Set vect_loop_location.
1838         * tree-vect-analyze.c (vect_analyze_offset_expr, 
1839         vect_determin_vectorization_factor, vect_analyze_operations,
1840         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
1841         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
1842         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
1843         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
1844         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
1845         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
1846         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
1847         vect_analyze_loop): Adjust vect_print_dump_info API.
1848         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1849         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
1850         vect_finish_stmt_generation, vectorizable_assignment, 
1851         vectorizable_operation, vectorizable_store, vectorizable_load, 
1852         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
1853         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1854         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
1855         vect_transform_loop): Same.
1856         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
1857         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
1858         Same.
1859
1860 2005-07-05  Randolph Chung  <tausq@debian.org>
1861
1862         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
1863         * configure: Regenerate.
1864         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
1865         (pa_tls_referenced_p): Declare.
1866         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
1867         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
1868         (legitimize_tls_address): New.
1869         (hppa_legitimize_address): Handle TLS addresses.
1870         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
1871         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1872         (emit_move_sequence): Handle TLS addresses.
1873         (pa_encode_section_info): Call default handler to handle common 
1874         sections.
1875         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
1876         (CONSTANT_ADDRESS_P): Reject TLS operands.
1877         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
1878         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
1879         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
1880         (UNSPEC_TLSLE): Define new constants. 
1881         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
1882         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
1883         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
1884         (tie_symbolic_operand, tle_symbolic_operand): New
1885
1886 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
1887
1888         * aclocal.m4: Update macros for autoconf 2.59 style.
1889         * configure.ac: Likewise.
1890
1891 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1892
1893         * pa.c (function_value): Handle small aggregates on 32-bit targets.
1894         (function_arg): Pass small aggregates in general registers on 32-bit
1895         targets.
1896         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
1897
1898 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
1899
1900         * Makefile.in (final.o): Fix dependencies.
1901
1902 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1903
1904         PR c/22013
1905         PR c/22098
1906         * langhooks.h (struct lang_hooks): Add expr_to_decl.
1907         * langhooks.c (lhd_expr_to_decl): New.
1908         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
1909         New.
1910         (LANG_HOOKS_INITIALIZER): Update.
1911         * tree.c (recompute_tree_invarant_for_addr_expr): Call
1912         expr_to_decl langhook.
1913         * c-tree.h (c_expr_to_decl): Declare.
1914         * c-typeck.c (c_expr_to_decl): New.
1915         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
1916         specially.
1917         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
1918
1919 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1920
1921         PR c/22308
1922         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
1923         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
1924
1925 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
1926
1927         * Makefile.in: Adjust dependencies.
1928         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
1929         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
1930         * alias.c (rest_of_handle_cfg, pass_cfg): New.
1931         * bb-reorder.c (duplicate_computed_gotos): Make it static.
1932         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
1933         rest_of_compilation.
1934
1935         * bb-reorder.c (gate_duplicate_computed_gotos,
1936         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
1937         rest_of_handle_reorder_blocks, pass_reorder_blocks,
1938         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
1939         pass_partition_blocks): New.
1940         * bt-load.c (gate_handle_branch_target_load_optimize,
1941         rest_of_handle_branch_target_load_optimize,
1942         pass_branch_target_load_optimize): New.
1943         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
1944         pass_jump2): New.
1945         * cfglayout.c (pass_insn_locators_initialize): New.
1946         * cfgrtl.c (pass_free_cfg): New.
1947         * combine.c (gate_handle_combine, rest_of_handle_combine,
1948         pass_combine): New.
1949         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
1950         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
1951         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
1952         * except.c (pass_set_nothrow_function_flags,
1953         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
1954         pass_rtl_eh): New.
1955         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
1956         rest_of_handle_shorten_branches, pass_shorten_branches,
1957         rest_of_clean_state, pass_clean_state): New.
1958         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
1959         rest_of_handle_remove_death_notes, pass_remove_death_notes,
1960         rest_of_handle_life, pass_life, rest_of_handle_flow2,
1961         pass_flow2): New.
1962         * function.c (pass_instantiate_virtual_regs, pass_init_function,
1963         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
1964         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1965         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
1966         pass_gcse): New.
1967         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
1968         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
1969         pass_rtl_ifcvt, gate_handle_if_after_combine,
1970         rest_of_handle_if_after_combine, pass_if_after_combine,
1971         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
1972         pass_if_after_reload): New.
1973         * integrate.c (pass_initial_value_sets): New.
1974         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
1975         pass_purge_lineno_notes): New.
1976         * mode-switching.c (rest_of_handle_mode_switching,
1977         pass_mode_switching): New.
1978         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
1979         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
1980         pass_loop2): New.
1981         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
1982         pass_loop_optimize): New.
1983         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
1984         pass_sms): New.
1985         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
1986         pass_gcse2): New.
1987         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
1988         pass_postreload_cse): New.
1989         * profile.c (gate_handle_profiling, pass_profiling,
1990         rest_of_handle_branch_prob, pass_branch_prob): New.
1991         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
1992         pass_split_before_regstack, gate_handle_split_before_regstack,
1993         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
1994         rest_of_handle_split_all_insns, pass_split_all_insns): New.
1995         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
1996         pass_stack_regs): New.
1997         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
1998         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
1999         pass_stack_adjustments): New.
2000         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
2001         pass_regrename): New.
2002         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
2003         pass_delay_slots, gate_handle_machine_reorg,
2004         rest_of_handle_machine_reorg, pass_machine_reorg): New.
2005         * rtl.h (extern void purge_line_number_notes): New.
2006         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
2007         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
2008         pass_sched2): New.
2009         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
2010         pass_tracer): New.
2011         * value-prof.c (gate_handle_value_profile_transformations,
2012         rest_of_handle_value_profile_transformations,
2013         pass_value_profile_transformations): New.
2014         * var-tracking.c (gate_handle_var_tracking,
2015         pass_variable_tracking): New.
2016         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
2017
2018         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
2019         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
2020         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
2021         rest_of_handle_old_regalloc, rest_of_handle_regrename,
2022         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
2023         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
2024         rest_of_handle_gcse2, rest_of_handle_regmove,
2025         rest_of_handle_tracer, rest_of_handle_if_conversion,
2026         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
2027         rest_of_handle_web, rest_of_handle_branch_prob,
2028         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
2029         rest_of_handle_jump_bypass, rest_of_handle_combine,
2030         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
2031         rest_of_handle_gcse, rest_of_handle_loop_optimize,
2032         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
2033         rest_of_handle_mode_switching, rest_of_handle_jump,
2034         rest_of_handle_eh, rest_of_handle_stack_adjustments,
2035         rest_of_handle_flow2, rest_of_handle_jump2,
2036         rest_of_handle_peephole2, rest_of_handle_postreload,
2037         rest_of_handle_shorten_branches, rest_of_clean_state,
2038         rest_of_compilation): Remove.
2039
2040         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
2041         * passes.c (dump_flags, in_gimple_form, all_passes,
2042         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2043         register_dump_files, next_pass_1, last_verified, execute_todo,
2044         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
2045         from tree-optimize.c.
2046         (init_optimization_passes): Moved from tree-optimize.c,
2047         adding the RTL optimizations.
2048         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
2049         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
2050         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2051         register_dump_files, next_pass_1, last_verified, execute_todo,
2052         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
2053         init_tree_optimization_passes, ipa_passes): Delete.
2054         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
2055         the RTL dumps.
2056         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
2057         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
2058         from tree.h.
2059         (ipa_passes): Remove.
2060         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
2061         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
2062         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
2063         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
2064         (dump_info_p, dump_flag): Moved to tree-dump.h.
2065         
2066         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
2067         cgraph.c, opts.c.
2068         * passes.c (finish_optimization_passes): Use dump_begin
2069         and dump_end, TDI_end.
2070         (gate_rest_of_compilation): New.
2071         (pass_rest_of_compilation): Use it.
2072         (gate_postreload, pass_postreload): New.
2073         * toplev.c (general_init): Rename init_tree_optimization_passes.
2074         * toplev.h (init_tree_optimization_passes): Rename to
2075         init_optimizations_passes.
2076         * tree-dump.c (dump_flag): Make static.
2077         (dump_files): Remove RTL dumps.
2078         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2079         pass_cleanup_cfg, pass_free_cfg_annotations,
2080         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
2081         pass_init_datastructures, pass_fixup_cfg): Make non-static.
2082         * tree-pretty-print.c: Include tree-pass.h.
2083         * cgraph.c: Include tree-dump.h.
2084         
2085 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2086
2087         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
2088         Only fall back to saying it points to readonly memory if
2089         we can't do better.
2090
2091 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2092
2093         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
2094         * config/m32r/m32r.c (m32r_compute_frame_size,
2095         m32r_expand_prologue): Take current_function_profile into
2096         account whenever we reference
2097         current_function_uses_pic_offset_table.
2098         (m32r_finalize_pic): Remove.
2099         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
2100
2101 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
2102
2103         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
2104         instead of $<.  Don't remove ./as if it already exists.
2105
2106 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2107
2108         PR target/21723
2109         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
2110         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
2111         for complex modes when generating code for PA 1.0.
2112         (VALID_FP_MODE_P): New macro.
2113         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2114         sets for all general and floating point modes.  Align wide floating
2115         point modes to even register boundaries to comply with architectural
2116         requirements.
2117         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
2118         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
2119         (VALID_FP_MODE_P): New macro.
2120         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2121         sets for all general and floating point modes.  Align wide floating
2122         point modes to even register boundaries to comply with architectural
2123         requirements.
2124
2125 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2126
2127         * tree-dump.c (dump_files): Initialize dump number for .cgraph
2128         to 0.
2129
2130 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2131
2132         * tree-ssa-structalias.c: Don't include expr.h.
2133
2134 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2135
2136         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
2137         comments.
2138
2139 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2140
2141         Fix PR tree-optimization/22279
2142         
2143         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
2144         correct operator.
2145         
2146 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
2147
2148         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
2149
2150 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2151
2152         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
2153         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
2154         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
2155         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
2156         config/stormy16/stormy16.c, config/v850/v850.c,
2157         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
2158         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
2159         Avoid "." or "\n" at end of diagnostics and capital letters at
2160         start of diagnostics.
2161         * combine.c, cse.c: Don't translate dump file output.
2162         * toplev.c (print_version): Only translate output if going to
2163         stderr.
2164
2165 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2166
2167         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
2168         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
2169         typos.
2170
2171 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2172
2173         * pa.c (fix_range): Fix typo in comment.
2174
2175 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2176
2177         * tree-vrp.c (extract_range_from_assert): Replace
2178         fold (build (...)) with fold_build2.
2179
2180 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2181
2182         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
2183         gcc_gfc_char_table, init_dynamic_gfc_info): New.
2184         (format_types_orig, handle_format_attribute): Add support for
2185         format "gcc_gfc".
2186
2187 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2188
2189         * varasm.c (assemble_variable): Fix format specifier thinko.
2190
2191 2005-07-03  Ira Rosen  <irar@il.ibm.com>
2192
2193         PR tree-optimization/22029 (and 22135)
2194         * tree-pretty-print.c (dump_generic_node): Check that the node is not
2195         a phi node before calling dump_vops.
2196
2197 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2198
2199         * tree-dump.h (dump_string_field): Declare.
2200         * tree-dump.c: Use it instead of dump_string.
2201         (dump_string_field): Make non-static.
2202
2203 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2204
2205         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
2206         up the minimal CFG stuff always when optimize > 0.  Call
2207         split_all_insns_noflow in PIC case if needed.
2208
2209 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2210             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
2211
2212         PR c++/18279
2213         * c-decl.c (c_write_global_declarations): Dump contents of
2214         external scope to.
2215         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
2216         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
2217         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
2218         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
2219         is enabled.
2220         
2221 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2222
2223         * c-common.h (GCC_DIAG_STYLE): Define.
2224         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
2225         version for format checking to 4.1.
2226         * c-format.c: Include toplev.h after c-common.h.
2227         (enum format_type): Add gcc_tdiag_format_type.
2228         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
2229         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
2230         (format_types_orig): Add gcc_tdiag.
2231         (init_dynamic_diag_info): Support gcc_tdiag formats.
2232         (handle_format_attribute): Likewise.
2233         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
2234         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
2235         version for format checking to 4.1.
2236         (warning0, warning, error, pedwarn, sorry): Use
2237         ATTRIBUTE_GCC_DIAG.
2238         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
2239         (finish_aliases_1): Do not use %qE.
2240         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
2241         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
2242         Correct format bugs.
2243         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
2244         parameter to unsigned HOST_WIDE_INT.
2245         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
2246
2247 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
2248
2249         PR middle-end/21742
2250         * expr.c (write_complex_part): Use adjust_address for MEM.
2251         (read_complex_part): Same.
2252
2253 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
2254
2255         Fix PR tree-optimization/22280
2256
2257         * tree-sra.c (generate_element_init): Remove useless loop.
2258
2259 2005-07-02  Richard Henderson  <rth@redhat.com>
2260
2261         * config/alpha/alpha.c (alpha_legitimize_address): Check for
2262         TLS_MODEL_NONE.
2263         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
2264
2265 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
2266
2267         PR middle-end/14490
2268         * fold-const.c (fold_binary): Handle the return value of
2269         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
2270         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
2271
2272 2005-07-02  Jeff Law  <law@redhat.com>
2273
2274         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
2275         a eliminate type conversion which feeds an equality comparison
2276         if the original type or either operand in the comparison is a
2277         function pointer.
2278
2279 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
2280
2281         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
2282         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
2283         texts.
2284         * config/avr/avr.c: Do not use '`' as left quote.
2285         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
2286         Remove "." from end of diagnostics.  Make diagnostics start with
2287         lowercase letter.
2288
2289 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
2290             Joseph S. Myers  <joseph@codesourcery.com>
2291
2292         * toplev.c (default_tree_printer): Handle setting location with
2293         '+' flag.
2294         * c-objc.common.c (c_tree_printer): Likewise.
2295         * c-format.c (gcc_diag_flag_specs): Add '+'.
2296         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
2297         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
2298         formats.
2299         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
2300         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
2301         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
2302         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
2303         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
2304         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
2305         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
2306         format arguments where %J is used without %D.
2307
2308 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
2309
2310         * gcc.c (LINK_SSP_SPEC): Define.
2311         (link_ssp_spec): New variable.
2312         (LINK_COMMAND_SPEC): Add %(link_ssp).
2313         (static_specs): Add link_ssp_spec.
2314         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
2315         * configure: Rebuilt.
2316         * config.in: Rebuilt.
2317
2318         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2319         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2320         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2321         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2322         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
2323         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
2324         -0x7008(2) instead of reading __stack_chk_guard variable.
2325         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
2326         number.
2327         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
2328         (stack_protect_set, stack_protect_test): Use *_tls* patterns
2329         if TARGET_THREAD_SSP_OFFSET is defined.
2330         (stack_tls_protect_set_si, stack_tls_protect_set_di,
2331         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
2332
2333         Revert:
2334         2005-06-27  Richard Henderson  <rth@redhat.com>
2335         * libgcc-std.ver (GCC_4.1.0): New.
2336         * libgcc.h (__stack_chk_guard): Declare.
2337         (__stack_chk_fail, __stack_chk_fail_local): Declare.
2338         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
2339         * mklibgcc.in (lib2funcs): Add them.
2340
2341 2005-07-01  Richard Henderson  <rth@redhat.com>
2342
2343         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
2344         void * before struct sigcontext *.
2345         (x86_fallback_frame_state): Likewise.
2346
2347 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
2348
2349         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
2350
2351 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2352
2353         PR tree-opt/22269
2354         * tree-ssa-reassoc.c (should_transpose): Fix which operand
2355         we check for SSA_NAME for.
2356
2357 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
2358
2359         Fix PR tree-optimization/22071
2360
2361         * tree-ssa-structalias.c (offset_overlaps_with_access): New
2362         function.
2363         (get_constraint_for_component_ref): Use it.
2364
2365 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2366
2367         PR other/22264
2368         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
2369         print out the last new line.
2370
2371 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
2372
2373         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
2374         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
2375         * config/cris/cris.c (cris_conditional_register_usage): Adjust
2376         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
2377         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
2378         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
2379         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
2380         (enum reg_class): New member CC0_REGS.
2381         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
2382         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2383         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
2384         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
2385         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2386         Adjust for register now described.
2387
2388 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
2389
2390         PR target/22262
2391         * config/i386/i386.md (stack_protect_test_si,
2392         stack_protect_test_di): Add earlyclobber for scratch 3.
2393         * config/rs6000/rs6000.md (stack_protect_testsi,
2394         stack_protect_testdi): Add earlyclobber for scratch 3,
2395         remove earlyclobber from scratch 4.
2396
2397 Older entries for 2005 can be found in ChangeLog-2005.