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PR rtl-optimization/22258
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
2
3         PR rtl-optimization/22258
4         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5         New functions.
6         (try_combine): Use likely_spilled_retval_p.
7
8 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9
10         * config.gcc: Add crx-elf support.
11
12         * doc/contrib.texi: Mention crx.
13         * doc/extend.texi: Document crx extensions.
14         * doc/install.texi: Document crx install.
15         * doc/invoke.texi: Document crx options.
16         * doc/md.texi: Document crx constraints.
17
18         * config/crx/crx-protos.h: New file.
19         * config/crx/crx.c: New file.
20         * config/crx/crx.h: New file.
21         * config/crx/crx.md: New file.
22         * config/crx/crx.opt: New file.
23         * config/crx/t-crx: New file.
24         
25 2005-07-22  Manfred Hollstein  <mh@suse.com>
26
27         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
28         warnings.
29         (int_add_graph_edge): Likewise.
30         (collapse_nodes): Likewise.
31         (process_unification_queue): Likewise.
32
33 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
34             Laurent GUERBY  <laurent@guerby.net>
35
36         PR tree-optimization/22336
37         * function.c (record_block_change): Check for 
38         cfun->ib_boundaries_block.
39         
40 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
41
42         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
43         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
44
45 2005-07-21  DJ Delorie  <dj@redhat.com>
46
47         * toplev.c (warn_deprecated_use): Add warning control to warning
48         call.
49         * c-typeck.c (parser_build_binary_op): Likewise.
50         (c_finish_if_stmt): Likewise.
51         * c-common.c (check_function_sentinel): Likewise.
52         (check_nonnull_arg): Likewise.
53
54 2005-07-21  Richard Henderson  <rth@redhat.com>
55
56         PR tree-opt/22504
57         * tree-complex.c (complex_ssa_name_components): New.
58         (cvc_lookup): Allow entry not found.
59         (create_components): Remove.
60         (create_one_component_var, get_component_var): New.
61         (get_component_ssa_name, set_component_ssa_name): New.
62         (extract_component): Use get_component_ssa_name.
63         (update_complex_components): Use set_component_ssa_name.
64         (update_complex_components_on_edge): Likewise.
65         (update_phi_components): Create new PHI nodes directly, instead
66         of adding insns to edges.
67         (tree_lower_complex): Allocate and free complex_variable_components
68         and complex_ssa_name_components here.
69
70 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
71         
72         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
73         revert to returning false.
74
75 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
76
77         PR target/21149
78         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
79
80 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
81
82         PR target/22576
83         * config/i386/i386.md (cmpxf): Change operand constraints
84         to "nonmemory_operand".
85
86 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
87
88         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
89
90 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
91
92         PR middle-end/21180
93         * fold-const.c (fold_build1): Add checksum for the operands.
94         (fold_build2): Likewise.        
95         (fold_build3): Likewise.
96
97 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
98
99         PR middle-end/19055
100         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
101
102 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
103
104         * common.opt (-fforward-propagate): Committed by mistake,
105         removed.
106
107 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
108
109         * reg-stack.c: Fix comment typo(s).
110         * tree-ssa-operands.c: Likewise.
111         * tree-vectorizer: Likewise.
112
113 2005-07-21  Nick Clifton  <nickc@redhat.com>
114
115         * config/sh/symbian.c: Replace C++ style line comments with C
116         style line comments.
117         (symbian_add_attribute): Do not use a ? operator on the LHS of
118         an assignment.
119         (sh_symbian_handle_dll_attribute): Change the type of the
120         method vector to "VEC(tree,gc)*" and use vector accessor
121         macros to walk over the elements.
122         (symbian_export_vtable_and_rtti_p): Likewise.
123         (symbian_class_needs_attribute_p): Likewise.
124
125 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
126
127         PR target/22085
128         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
129         initialize targetm.resolve_overloaded_builtin here.
130         (altivec_expand_overloaded_builtin): Make it non-static.
131         * config/rs6000/rs6000-protos.h
132         (altivec_expand_overloaded_builtin): New prototype.
133         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
134         targetm.resolve_overloaded_builtin here.
135         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
136
137 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
138             Zdenek Dvorak  <dvorakz@suse.cz>
139
140         PR tree-optimization/19210
141         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
142         New.
143         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
144         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
145         rely on unproven assumptions.
146         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
147         * tree-flow.h (number_of_iterations_exit): Add final parameter.
148         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
149         to number_of_iterations_exit.
150         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
151         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
152         * tree-ssa-loop-niter.c (find_loop_niter,
153         estimate_numbers_of_iterations_loop): Likewise.
154         (number_of_iterations_exit): Honor the new options.
155         * doc/invoke.texi (Wunsafe-loop-optimizations,
156         funsafe-loop-optimizations): Document them.
157
158 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
159
160         PR rtl-optimization/22167
161         * gcse.c (hoist_code): Fix hoist_exprs[] check.
162
163 2005-07-20  Adam Nemet  <anemet@lnxw.com>
164
165         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
166         __do_global_dtors_aux longcall.
167
168 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
169
170         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
171         (old_special_pred_table): Don't reference
172         SPECIAL_MODE_PREDICATES.
173         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
174         * config/arc/arc.h: Don't mention PREDICATE_CODES.
175         * config/sh/predicates.h: Don't mention
176         SPECIAL_MODE_PREDICATES.
177         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
178         Remove.
179
180 2005-07-20  DJ Delorie  <dj@redhat.com>
181
182         * config.gcc: Add m32c-elf support.
183
184         * doc/contrib.texi: Mention m32c.
185         * doc/extend.texi: Document m32c extensions.
186         * doc/install.texi: Mention m32c.
187         * doc/invoke.texi: Document m32c options.
188         * doc/md.texi: Document m32c constraints.
189
190         * config/m32c/addsub.md: New file.
191         * config/m32c/bitops.md: New file.
192         * config/m32c/cond.md: New file.
193         * config/m32c/jump.md: New file.
194         * config/m32c/m32c-lib1.S: New file.
195         * config/m32c/m32c-lib2.c: New file.
196         * config/m32c/m32c-modes.def: New file.
197         * config/m32c/m32c-pragma.c: New file.
198         * config/m32c/m32c-protos.h: New file.
199         * config/m32c/m32c.abi: New file.
200         * config/m32c/m32c.c: New file.
201         * config/m32c/m32c.h: New file.
202         * config/m32c/m32c.md: New file.
203         * config/m32c/m32c.opt: New file.
204         * config/m32c/minmax.md: New file.
205         * config/m32c/mov.md: New file.
206         * config/m32c/muldiv.md: New file.
207         * config/m32c/predicates.md: New file.
208         * config/m32c/prologue.md: New file.
209         * config/m32c/shift.md: New file.
210         * config/m32c/t-m32c: New file.
211
212 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
213
214         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
215         (stack_protect_set, stack_protect_test): New expanders.
216         (stack_protect_set_si, stack_protect_set_si_media,
217         stack_protect_set_di_media, stack_protect_test_si,
218         stack_protect_test_si_media, stack_protect_test_di_media):
219         New insns.
220
221 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
222
223         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
224
225 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
226
227         * tree.h (tree_expr_nonzero_p): Export.
228         * fold-const.c (tree_expr_nonzero_p): Likewise.
229         Return true for CALL_EXPRs that are alloca calls.
230         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
231         against zero.
232         * tree-flow.h (expr_computes_nonzero): Remove.
233         * tree-vrp.c (expr_computes_nonzero): Remove.
234         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
235         (extract_range_from_unary_expr): Likewise.
236         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
237         tree_expr_nonzero_p.
238
239 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
240
241         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
242         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
243         extra arg "picreg" and use it instead of pic_offset_table_rtx.
244         All callers changed.
245         (frame_related_constant_load): New arg "related" which controls
246         setting of RTX_FRAME_RELATED_P.  All callers changed.
247         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
248         (bfin_expand_prologue): Add stack limit checking.
249         * config/bfin/bfin.md (trapifcc): New pattern.
250
251         * config/bfin/bfin.c: Include "langhooks.h".
252         (def_builtin): Go through lang_hooks to call builtin_function.
253
254         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
255         * config/bfin/predicates.md (symbol_ref_operand): New.
256         (call_insn_operand): Delete.  All callers changed to use
257         register_no_elim_operand.
258         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
259         call_cookie field.
260         (function_arg): Use it to generate the call's operand 2.
261         (bfin_longcall_p): New function.
262         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
263         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
264         determine if the address needs to be in a REG.
265         (bfin_handle_longcall_attribute): New function.
266         (bfin_attribute_table): Add "longcall" and "shortcall".
267         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
268         (CUMULATIVE_ARGS): New member call_cookie.
269         (PREDICATE_CODES): Add symbol_ref_operand.
270         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
271         extra USE to the pattern.
272         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
273         New patterns, split off call_insn, sibcall_insn, call_value_insn and
274         sibcall_value_insn; now the new patterns handle direct calls and the
275         old ones indirect calls.
276         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
277
278 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
279
280         * doc/trouble.texi: Update section on handling of empty loops.
281
282 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
283
284         * config.gcc: Remove support for sparc-*-openbsd*,
285         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
286         ns32k-*-netbsd*.
287         * config.host: Remove support for i860-*-sysv4* as a host.
288         * config/i860/*, config/ip2k/*, config/ns32k/*,
289         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
290         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
291         mention obsolete ports.
292
293 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
294
295         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
296         soft frame pointer.
297         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
298         of frame_pointer_rtx.
299         (sh_expand_epilogue): Likewise.
300         (sh_set_return_address): Likewise.
301         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
302         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
303         offsets from FRAME_POINTER_REGNUM.
304         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
305         (sh_register_names): Add initializer for sfp.
306         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
307         (VALID_REGISTER_P): Likewise.
308         (FIRST_PSEUDO_REGISTER): Update.
309         (DWARF_FRAME_REGISTERS): Define.
310         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
311         (HARD_FRAME_POINTER_REGNUM): Define.
312         (FRAME_POINTER_REGNUM): Redefine.
313         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
314         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
315         from FRAME_POINTER_REGNUM.
316         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
317         FRAME_POINTER_REGNUM.
318         (REG_CLASS_CONTENTS): Add sfp.
319         (REG_ALLOC_ORDER): Likewise.
320         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
321         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
322         of frame_pointer_rtx.
323         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
324
325 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
326
327         * fold-const.c (tree_expr_nonnegative_p): Only return true for
328         ABS_EXPR when flag_wrapv is false because of INT_MIN.
329         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
330         of an ABS_EXPR.
331         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
332         ABS_EXPR<x>.
333
334 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
335
336         Make CONSTRUCTOR use VEC to store initializers.
337         * c-common.c (complete_array_type): Update to cope with VEC in
338         CONSTRUCTOR_ELTS.
339         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
340         (pp_c_constructor_elts): New function.
341         * c-pretty-print.h (pp_c_constructor_elts): Declare.
342         * c-typeck.c (build_function_call, build_c_cast, digest_init,
343         struct constructor_stack, struct initializer_stack,
344         constructor_elements, push_init_level, pop_init_level,
345         add_pending_init, find_init_member, output_init_element): Update to
346         cope with VEC in CONSTRUCTOR_ELTS.
347         * coverage.c (build_fn_info_value, build_ctr_info_value,
348         build_gcov_info): Likewise.
349         * expr.c (categorize_ctor_elements_1, store_constructor,
350         expand_expr_real_1): Likewise.
351         * fold-const.c (fold_ternary): Likewise.
352         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
353         gimplify_init_constructor, gimplify_expr): Likewise.
354         * tree-dump.c (dequeue_and_dump): Likewise.
355         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
356         node.
357         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
358         CONSTRUCTOR_ELTS.
359         * tree-sra.c (generate_element_init_1): Likewise.
360         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
361         * tree-ssa-operands.c (get_expr_operands): Likewise.
362         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
363         * tree-vect-transform.c (vect_get_vec_def_for_operand):
364         (get_initial_def_for_reduction): Likewise.
365         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
366         value handle in annotations.
367         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
368         tree_node_structure): Add support for constr_kind.
369         (build_vector_from_ctor, build_constructor_single,
370         build_constructor_from_list): New functions.
371         (build_constructor): Update to take a VEC instead of a TREE_LIST.
372         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
373         Update to cope with VEC in CONSTRUCTOR_ELTS.
374         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
375         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
376         CONSTRUCTOR_APPEND_ELT): New macros.
377         (struct constructor_elt, struct tree_constructor): New data types.
378         (union tree_node): Add tree_constructor field.
379         * treestruct.def: Define TS_CONSTRUCTOR.
380         * varasm.c (const_hash_1, compare_constant, copy_constant,
381         compute_reloc_for_constant, output_addressed_constants,
382         initializer_constant_valid_p, output_constant,
383         array_size_for_constructor, output_constructor): Update to cope with
384         VEC in CONSTRUCTOR_ELTS.
385         * vec.h (VEC_empty, VEC_copy): New macros.
386
387 2005-07-19  Devang Patel  <dpatel@apple.com>
388
389         * dbxout.c (dbxout_type): Check Objective-C++ lang.
390         
391 2005-07-19  Richard Henderson  <rth@redhat.com>
392
393         PR tree-opt/22278
394         * gimplify.c (gimplify_expr): Use main variant type for the temp
395         destination for a discarded volatile read.
396         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
397         casts between non-void types that change volatility.
398
399 2005-07-15  DJ Delorie  <dj@redhat.com>
400
401         * toplev.h: Add comment about the first parameter for warning().
402         * errors.h: Likewise.
403
404         * c.opt (Wpragmas): New.
405         * doc/invoke.texi: Document it.
406         
407         * function.c (do_warn_unused_parameter): Add warning control to
408         warning call.
409         * c-decl.c (warn_if_shadowing): Likewise.
410         * c-lex.c (cb_def_pragma): Likewise.
411         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
412         (pop_alignment): Likewise.
413         (handle_pragma_pack): Likewise.
414         (apply_pragma_weak): Likewise.
415         (handle_pragma_weak): Likewise.
416         (handle_pragma_redefine_extname): Likewise.
417         (add_to_renaming_pragma_list): Likewise.
418         (handle_pragma_extern_prefix): Likewise.
419         (maybe_apply_renaming_pragma): Likewise.
420         (handle_pragma_visibility): Likewise.
421         
422         * config/c4x/c4x-c.c (BAD): Likewise.
423         (c4x_parse_pragma): Likewise.
424         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
425         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
426         (rs6000_pragma_longcall): Likewise.
427         * config/v850/v850-c.c (pop_data_area): Likewise.
428         (ghs_pragma_section): Likewise.
429         (ghs_pragma_section): Likewise.
430         (ghs_pragma_interrupt): Likewise.
431         (ghs_pragma_starttda): Likewise.
432         (ghs_pragma_startsda): Likewise.
433         (ghs_pragma_startzda): Likewise.
434         (ghs_pragma_endtda): Likewise.
435         (ghs_pragma_endsda): Likewise.
436         (ghs_pragma_endzda): Likewise.
437
438 2005-07-19  Danny Berlin <dberlin@dberlin.org>
439             Kenneth Zadeck <zadeck@naturalbridge.com>
440
441         * Makefile.in: Removed tree-promote-statics.c
442         * tree-promote-statics.c: Removed.
443         * common.opt: Removed flag-promote-statics.
444         * opts.c: Ditto.
445         * passes.c: Removed tree-promote-statics pass. 
446         * tree-pass.h: Ditto.
447         * timevar.def: Removed TV_PROMOTE_STATICS.
448
449
450 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
451
452         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
453         and *-*-freebsd9.
454         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
455         
456 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
457
458         PR c/22476
459         * c-common.c (check_function_arguments): Call
460         'check_function_format' if either -Wformat or
461         -Wmissing-format-attribute are specified.
462         * c-format.c (check_function_format): Check -Wformat before
463         calling 'check_format_info'.
464         * c-opts.c (c_common_post_options): Don't warn for
465         -Wmissing-format-attribute without -Wformat.
466         * c-typeck.c (convert_for_assignment): Detect additional cases for
467         -Wmissing-format-attribute.
468         * doc/invoke.texi (-Wmissing-format-attribute): Document new
469         behavior.
470
471 2005-07-19  Richard Guenther  <rguenther@suse.de>
472
473         * config/i386/i386.md (lrint<mode>2): Use temporary
474         instead of clobbering non-existent memory.
475
476 2005-07-19  Nick Clifton  <nickc@redhat.com>
477
478         * config/avr/avr.c (legitimate_address_p): Fix debugging print
479         statement to avoid displaying ASCII control characters.
480
481 2005-07-19  Ben Elliston  <bje@au.ibm.com>
482
483         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
484         * cfganal.c (find_edge_index): Ditto.
485         * combine.c (combine_instructions): Ditto.
486         * ddg.c (create_scc): Ditto.
487         (find_successors): Ditto.
488         (find_predecessors): Ditto.
489         (find_nodes_on_paths): Ditto.
490         (longest_simple_path): Ditto.
491         * flow.c (update_life_info): Ditto.
492         (count_or_remove_death_notes): Ditto.
493         (clear_log_links): Ditto.
494         * modulo-sched.c (generate_reg_moves): Ditto.
495         (find_max_asap): Ditto.
496         (find_max_hv_min_mob): Ditto.
497         (find_max_dv_min_mob): Ditto.
498         * sbitmap.c (sbitmap_first_set_bit): Ditto.
499         * sched-rgn.c (extract_edgelst): Ditto.
500         * tree-into-ssa.c (prepare_names_to_update): Ditto.
501         (dump_update_ssa): Ditto.
502         (ssa_names_to_replace) Ditto.
503         (switch_virtuals_to_full_rewrite): Ditto.
504         (update_ssa): Ditto.
505         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
506
507 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
508
509         Fix PR tree-optimization/22483
510         
511         * tree-complex.c (create_components): Use
512         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
513         * tree-flow-inline.h (fill_referenced_var_vec): New function.
514         * tree-flow.h (safe_referenced_var_iterator): New structure.
515         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
516         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
517         safe_referenced_var iterator.
518         (add_type_alias): Ditto.
519
520 2005-07-19  Steven Bosscher  <stevenb@suse.de>
521
522         * loop-init.c (rest_of_handle_loop2): Remove.
523         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
524         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
525         (pass_rtl_loop_init, pass_rtl_loop_done,
526         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
527         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
528         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
529         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
530         pass_tree_loop_done, and pass_tree_unswitch.
531         (gate_loop): Rename to gate_tree_loop.
532         * passes.c (init_optimization_passes): Update for renamed tree
533         loop passes.  Add the new loop2 passes as subpasses of loop2.
534         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
535         Update for the renamed tree loop passes.
536
537 2005-07-18  Ian Lance Taylor  <ian@airs.com>
538
539         PR middle-end/22057
540         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
541         blocks when optimizing.
542
543 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
544
545         * common.opt (frename-registers): Initialize to 2.
546         (fweb): Ditto.
547         (fgcse-after-reload): Ditto.
548         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
549         (process_options): Only change flag_web, flag_rename_registers,
550         and flag_rerun_cse_after_loop if not explicitly set by user.
551
552 2005-07-18  Jan Beulich  <jbeulich@novell.com>
553
554         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
555         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
556         in 64-bit mode the same as DImode in 32-bit mode.
557         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
558         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
559         mode. Add new mode parameter. 
560         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
561         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
562         x86_64_shift_adj): New expanders.
563         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
564         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
565         insns.
566         Respective new splitters. Use renamed shift splitter helpers in 32-bit
567         DImode shift splitters.
568         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
569         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
570         mode parameter.
571
572 2005-07-18  Jan Beulich  <jbeulich@novell.com>
573
574         * i386.md (movdi_extzv_1): New.
575         (zero_extendhidi2): Combine alternatives and never force use of
576         REX64 prefix.
577         (zero_extendqidi2): Likewise. Don't restrict input selection.
578
579 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
580
581         Fix PR tree-optimization/22531
582         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
583          moment.
584
585 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
586
587         * tree-promote-statics.c (pass_promote_statics): Change dump file
588          name.
589
590 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
591
592         * tree-optimize.c (init_tree_optimization_passes): Add
593         pass_eliminate_useless_stores pass.
594         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
595         * tree-ssa-pre.c (is_copy_stmt): New function.
596         (follow_copies_till_vuse): Ditto.
597         (do_eustores): Ditto.
598         (gate_eustores): Ditto. 
599         
600 2005-07-16  Richard Henderson  <rth@redhat.com>
601
602         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
603
604 2005-07-16 Danny Berlin <dberlin@dberlin.org>
605            Kenneth Zadeck <zadeck@naturalbridge.com>
606
607         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
608         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
609         ipa-type-escape.h, tree-promote-statics.c
610         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
611         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
612         tree-promote-statics.c: new files.
613         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
614         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
615         int nonlocal_set_p, mark_constant_function): Deleted.
616         (rest_of_handle_cfg): Removed call to mark_constant_function. 
617         (nonoverlapping_component_refs_p): Added calls to support
618         type based aliasing.    
619         * tree-ssa-alias.c (may_alias_p,
620         compute_flow_insensitive_aliasing): Ditto.
621         * calls.c (flags_from_decl_or_type): Removed reference to
622         cgraph_rtl_info. 
623         * c-typeck.c (convert_arguments): Make builtins tolerant of having
624         too many arguments.  This is necessary for Spec 2000.
625         * cgraph.h (const_function, pure_function): Removed.
626         * common.opt: Added "fipa-pure-const", "fipa-reference",  
627         "fipa-type-escape", and "ftree-promote-static".
628         * opts.c: Ditto.
629         * passes.c: Added ipa and tree-promote-statics passes. 
630         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
631         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
632         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
633         * tree-flow.h: Added exposed sra calls and addition of 
634         reference_vars_info field for FUNCTION_DECLS.
635         * tree-pass.h: Added passes.
636         * tree-sra.c: (sra_init_cache): New function.
637         (sra_insert_before, sra_insert_after) Made public.
638         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
639         and made public.
640         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
641         aliasing. (may_alias_p): Added code to use type escape analysis to
642         improve alias sets.
643         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
644         code to prune clobbers of static variables based on information
645         produced in ipa-reference pass.  Changed call clobbering so that
646         statics are not marked as clobbered if the call does not clobber
647         them.
648
649 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
650
651         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
652         too.
653
654 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
655
656         * doc/install.texi (*-*-solaris2*): Document recommended version
657         of GNU binutils and mention GNU linker problem on Solaris 10.
658
659 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
660
661         PR c/22421
662         * c-decl.c (c_build_bitfield_integer_type): New function.
663         (finish_struct): Call it.
664         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
665
666 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
667
668         * c-typeck.c (digest_init): Call 'convert_for_assignment'
669         before returning.
670
671 2005-07-16  Jan Hubicka  <jh@suse.cz>
672
673         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
674         (scale_bbs_frequencies_int): Watch roundoff errors.
675         * predict.c (return_prediction): Initialize return_stmt.
676
677 2005-07-16  Jan Hubicka  <jh@suse.cz>
678
679         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
680         after RTL profiling.
681
682 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
683
684         PR middle-end/22398
685         * fold-const.c (build_range_check): Convert high/low to etype
686         if we are only comparing against exp.
687
688 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
689
690         Fix PR tree-optimization/22376
691         * tree-ssa-structalias.c (build_constraint_graph): We really meant
692         special var here.
693         (need_to_solve): New function.
694         (compute_points_to_sets): Use it.
695         
696 2005-07-15  Jan Hubicka  <jh@suse.cz>
697
698         * cfg.c (update_bb_profile_for_threading): More diagnostic.
699         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
700
701 2005-07-15  Richard Guenther  <rguenther@suse.de>
702
703         * c-common.c (handle_flatten_attribute): New function.
704         Add flatten function attribute.
705         * doc/extend.texi: Document flatten function attribute.
706         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
707         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
708         New functions.
709         (cgraph_decide_inlining): Handle functions with flatten
710         attribute.
711
712 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
713
714         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
715         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
716         UNSPEC_XCHG, UNSPEC_AND): New.
717         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
718         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
719         * config/rs6000/sync.md (FETCHOP): New code macro.
720         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
721         New code attrs.
722         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
723         (sync_compare_and_swap<mode>): Same.
724         (sync_lock_test_and_set<mode>): Same.
725         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
726         for QImode and HImode, and not PPC405.
727         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
728         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
729         (sync_<fetchop>{si,di}_internal): New.
730         (sync_nand{si,di}_internal): New.
731         (sync_old_<fetchop>{si,di}_internal): New.
732         (sync_old_nand{si,di}_internal): New
733         (sync_new_<fetchop>{si,di}_internal): New.
734         (sync_new_nand{si,di}_internal): New.
735         (atomic_and{si,di}): New.
736         (sync_new_nand{si,di}_internal): New.
737         (atomic_and{si,di}): New.
738         (sync_add<mode>_internal): Delete.
739         (sync_addshort_internal): Use unspec instead of unspec_volatile.
740         (sync_sub<mode>_internal): Delte.
741         (sync_subshort_internal): New.
742         (sync_andsi_internal): Use unspec instead of unspec_volatile.
743         (sync_anddi_internal): Delete.
744         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
745         (sync_booldi_internal): Delete.
746         (sync_boolc<mode>_internal): Delete.
747         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
748         (sync_boolc<mode>_internal2): Delete.
749         (sync_boolcc<mode>_internal): Delete.
750         (isync, lwsync): Use unspec instead of unspec_volatile.
751         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
752         Revert UNSPEC_VOLATILE.
753         (rs6000_split_atomic_op): New.
754         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
755
756 2005-07-14  Eric Christopher  <echristo@redhat.com>
757
758         * config/mips/mips.c (mips_canonicalize_comparison): Cast
759         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
760
761 2005-07-14  Eric Christopher  <echristo@redhat.com>
762
763         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
764
765 2005-07-14  Steven Bosscher  <stevenb@suse.de>
766
767         PR tree-optimization/22230
768         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
769         the computation of the four cross productions for "range op range".
770
771 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
772             Ulrich Weigand  <uweigand@de.ibm.com>
773
774         PR target/20126
775         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
776         in some insn.
777
778 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
779
780         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
781
782 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
783
784         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
785
786 2005-07-14  Richard Guenther  <rguenther@suse.de>
787
788         PR middle-end/22347
789         * config/i386/i386-protos.h (ix86_function_value): Change
790         prototype to match new target hook.
791         * config/i386/i386.c (ix86_value_regno): Change prototype
792         to take extra type argument.
793         (TARGET_FUNCTION_VALUE): Define.
794         (ix86_function_ok_for_sibcall): Pass extra argument to
795         ix86_value_regno, check return slot rtx for exact match.
796         (ix86_function_value): Take extra parameter.  Dispatch to
797         ix86_value_regno with fndecl/fntype as provided.
798         (ix86_value_regno): Handle extra type argument.
799         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
800
801         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
802         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
803         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
804         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
805         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
806
807 2005-07-14  Richard Guenther  <rguenther@suse.de>
808
809         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
810         * calls.c (expand_call): Pass fntype to hard_function_value.
811         (emit_library_call_value_1): Likewise.
812         * explow.c: Include target.h.
813         (hard_function_value): Take extra argument, the fntype.
814         Use new target hook for function_value.
815         * expr.h (hard_function_value): Change prototype.
816         * function.c (aggregate_value_p): Pass 0 as fntype to
817         hard_function_value.
818         (assign_parms): Use new target hook for function_value.
819         Pass 0 as fntype to hard_function_value.
820         (expand_function_end): Likewise.
821         * reg-stack.c: Include target.h.
822         (stack_result): Use new target hook for function_value.
823         * target-def.h: New target hook function_value.
824         * target.h: Likewise.
825         * targhooks.c (default_function_value): New function.
826         * targhooks.h (default_function_value): Declare.
827
828 2005-07-13  Ian Lance Taylor  <ian@airs.com>
829
830         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
831
832 2005-07-14  Jan Hubicka  <jh@suse.cz>
833
834         * tree-dfa.c (dump_variable): Use default_def function.
835         * tree-ssa-alias.c (dump_points_to_info): Likewise.
836         * tree-ssa.c (verify_use): Likewise.
837         * tree-ssanames.c (release_ssa_name): Likewise.
838         * tree-tailcall.c (eliminate_tail_call): Likewise.
839         (tree_optimize_tail_calls_1): Likewise.
840         * tree-vrp.c (get_value_range): Likewise.
841
842 2005-07-14  Ben Elliston  <bje@au.ibm.com>
843
844         * gcc.c (main): Compare language[0] with '*' when iterating over
845         the infiles.
846
847 2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
848
849         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
850         "s390_emit_compare".  Add handling of CCZ1mode.
851         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
852         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
853         checking.
854         (s390_branch_condition_mask): Add CCZ1mode handling.
855         * config/s390/s390.md: ("seq", "*seq"): New pattern.
856         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
857         Use CCZ1mode instead of CCZmode.
858         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
859
860 2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
861
862         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
863         pattern.
864         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
865
866 2005-07-13  Eric Christopher  <echristo@redhat.com>
867
868         * config/mips/mips.c (mips_canonicalize_comparison): New.
869         (mips_emit_int_relational): Use.
870
871 2005-07-13  Eric Christopher  <echristo@redhat.com>
872
873         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
874         static extra parts.
875         * config/s390/s390.md: Include tpf.md. Move tpf specific
876         patterns...
877         * config/s390/tpf.md: To here.
878         * config/s390/s390.opt: Move tpf specific options...
879         * config/s390/tpf.opt: to here. Add mmain option.
880         * config/s390/tpf-unwind.h: Remove unnecessary defines.
881         * config/s390/tpf.h: Rewrite.
882
883 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
884
885         * doc/tm.texi: Remove @xref{Cross-profiling}.
886
887 2005-07-13  Jeff Law  <law@redhat.com>
888
889         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
890         expressions, test their _DECL operands for pointer equality rather
891         than using operand_equal_p.
892
893 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
894
895         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
896         (TARGET_POSIX_IO): This.
897         * config/darwin.h: Likewise.
898         * config/freebsd.h: Likewise.
899         * config/linux.h: Likewise.
900         * config/lynx.h: Likewise.
901         * config/netbsd.h: Likewise.
902         * config/rs6000/linux64.h: Likewise.
903         * config/rs6000/linux.h: Likewise.
904         * config/s390/tpf.h: Likewise.
905         * config/sh/embed-elf.h: Likewise.
906         * config/sparc/linux64.h: Likewise.
907         * config/sparc/linux.h: Likewise.
908         * config/svr4.h: Likewise.
909         * gcov-io.h: Likewise.
910
911         * doc/tm.texi: Updated.
912
913         * libgcov.c (create_file_directory): Defined only if
914         TARGET_POSIX_IO is defined.
915         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
916         is defined.
917
918 2005-07-13  Jan Hubicka  <jh@suse.cz>
919
920         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
921
922 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
923
924         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
925         structure as argument.
926
927 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
928
929         PR tree-optimization/21921
930         * tree-iterator.c (tsi_link_before): Support the case when
931         tsi_end_p (tsi) == true.
932
933 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
934
935         PR tree-optimization/22442
936         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
937         correctly.
938
939 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
940
941         PR rtl-optimization/20376
942         * toplev.c (process_options): Enable -fweb and -frename-registers when
943         unrolling.
944         * doc/invoke.texi: Update the information about when -fweb and
945         -frename-registers are enabled.
946
947 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
948
949         PR tree-opt/21840
950         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
951         if *rhs_p is not a SSA_NAME.
952
953 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
954         
955         Fix PR tree-optimization/22422 
956         * tree-ssa-structalias.c (struct variable_info): Add flag for
957         special vars.
958         (get_varinfo): Now a static function.
959         (new_varinfo): init has_union and is_special_var to false.
960         (solution_set_add): Check has_union.
961         (do_da_constraint): Move temporary variable so it gets reset
962         properly.
963         Also check for special variable.
964         (do_ds_constraint): Ditto.
965         (do_sd_constraint): Ditto.
966         (do_structure_copy): Check for special variable.
967         (find_func_aliases): Ditto.
968         (init_base_vars): Set special vars properly.    
969
970 2005-07-13  Jan Hubicka  <jh@suse.cz>
971
972         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
973         do unit-at-a-time.
974
975         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
976         (get_expr_operands): Fix thinko wrt flags and subvars.
977
978         PR tree-optimize/22379
979         * tree-inline.c (expand_call_inline): Do not output sorry in early
980         inlining.
981
982 2005-07-12  Dale Johannesen  <dalej@apple.com>
983
984         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
985
986 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
987
988         PR bootstrap/21704
989         * host-linux.h: Include limits.h.
990
991 2005-07-12  Dale Johannesen  <dalej@apple.com>
992
993         * expr.c (compress_float_constant):  Add cost check.
994         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
995
996 2005-07-12  Dale Johannesen  <dalej@apple.com>
997
998         * gcc.target/i386/compress-float-sse.c:  New.
999         * gcc.target/i386/compress-float-sse-pic.c:  New.
1000         * gcc.target/i386/compress-float-387.c:  New.
1001         * gcc.target/i386/compress-float-387-pic.c:  New.
1002         * gcc.dg/compress-float-ppc.c:  New.
1003         * gcc.dg/compress-float-ppc-pic.c:  New.
1004
1005 2005-07-12  Eric Christopher  <echristo@redhat.com>
1006
1007         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
1008         static extra parts.
1009         * config/s390/s390.md: Include tpf.md. Move tpf specific
1010         patterns...
1011         * config/s390/tpf.md: To here.
1012         * config/s390/s390.opt: Move tpf specific options...
1013         * config/s390/tpf.opt: to here. Add mmain option.
1014         * config/s390/tpf-unwind.h: Remove unnecessary defines.
1015         * config/s390/tpf.h: Rewrite.
1016
1017 2005-07-12  Eric Christopher  <echristo@redhat.com>
1018
1019         * gcc.c (struct infile): Update comment for language.
1020         (main): Rewrite input file resetting code.
1021
1022 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
1023
1024         PR tree-opt/22335
1025         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
1026         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
1027         (lookup_avail_expr): Use constant_boolean_node instead
1028         of boolean_false_node/boolean_true_node.
1029
1030 2005-07-12  Ben Elliston  <bje@au.ibm.com>
1031
1032         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
1033         and use it when printing num_edges.
1034
1035 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1036
1037         * doc/extend.texi (Blackfin Built-in Functions): New section.
1038         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
1039         @opindex.
1040
1041 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
1042
1043         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
1044         s/cmpstrsi/cmpstrnsi
1045         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
1046         'cmpstrnsi'.
1047         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
1048         (init_optabs): Initialize cmpstrn_optab.
1049         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
1050         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
1051         * expr.c: (enum insn_code cmpstrn_optab): Declare.
1052         * config/i386/i386.md: s/cmpstr/cmpstrn
1053         * config/c4x/c4x.md: s/cmpstr/cmpstrn
1054         * doc/md.texi: Update documentation.
1055
1056 2005-07-11  Richard Henderson  <rth@redhat.com>
1057
1058         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
1059         build_va_arg_indirect_ref.
1060         (alpha_gimplify_va_arg): Likewise.
1061         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1062         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
1063         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
1064         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1065         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
1066         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
1067         Likewise.
1068         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
1069
1070 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
1071
1072         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
1073         * passes.c (init_optimization_passes): Add pass_empty_loop.
1074         * tree-pass.h (pass_empty_loop): Declare.
1075         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
1076         try_remove_empty_loop, remove_empty_loops): New functions.
1077         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
1078         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
1079
1080 2005-07-12  Peter Barada  <peter@the-baradas.com>
1081
1082         PR middle-end/16719
1083         PR middle-end/18421
1084         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
1085         in address registers.
1086         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
1087         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
1088         alternative of addsi3_5200.
1089
1090 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1091
1092         * config/mips/mips.md (ffs<mode>2): Remove.
1093
1094 2005-07-11  Ian Lance Taylor  <ian@airs.com>
1095
1096         * doc/tree-ssa.texi (Cleanups): Improve description of
1097         TRY_FINALLY_EXPR.
1098         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
1099
1100 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1101         
1102         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
1103         * tree.h (DECL_ARGUMENT_FLD): New macro.
1104
1105 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
1106         
1107         Fix PR tree-optimization/22404
1108
1109         * tree-ssa-structalias.c (create_variable_info_for): Use
1110         correct offset.
1111
1112 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1113
1114         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
1115         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
1116         for second comparison operand.
1117         * config/bfin/predicates.md (reg_or_const_int_operand): New.
1118
1119         * config/bfin/bfin.md (define_attr "type"): Add "sync".
1120         (define_insn_reservation "alu"): Likewise.
1121         (csync, ssync): Now of type sync.
1122         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
1123         -mcsync-anomaly -mspecld-anomaly.
1124         * config/bfin/bfin.opt (mcsync): Remove.
1125         (mcsync-anomaly, mspecld-anomaly): Add.
1126         * config/bfin/bfin.c: Include "insn-codes.h".
1127         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
1128         (TARGET_DEFAULT_TARGET_FLAGS): New.
1129         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
1130
1131 2005-07-11  Steven Bosscher  <stevenb@suse.de>
1132
1133         * basic-block.h: Give the BB flags enum a name, bb_flags.
1134         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
1135         * cfgcleanup.c (enum bb_flags): Remove here.
1136         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
1137         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
1138         (update_forwarder_flag): Likewise.
1139         (thread_jump): Likewise.
1140         (try_forward_edges): Likewise.
1141         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
1142         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
1143         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
1144
1145 2005-07-11  Richard Guenther  <rguenther@suse.de>
1146
1147         * config/i386/i386.opt: New target option -msseregparm.
1148         * config/i386/i386.c (override_options): Error out for
1149         -msseregparm but no SSE support.
1150         (ix86_function_sseregparm): Check for global sseregparm.
1151         * doc/invoke.texi: Document -msseregparm.
1152
1153 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1154
1155         * config.gcc (m32r-*-linux*): Use the default extra_parts.
1156         (m32rle-*-linux*): Ditto.
1157
1158 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
1159
1160         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
1161         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
1162         bytes.
1163
1164 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1165
1166         PR middle-end/22239
1167         PR target/20126
1168         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
1169         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
1170
1171 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
1172
1173         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
1174         (varmap): Heapify varmap.
1175         (constraints): Heapify constraints.
1176         (struct constraint_graph): Heapify succs and preds.
1177         (constraint_vec_find): Update for heapification.
1178         (constraint_set_union): Ditto.
1179         (insert_into_complex): Ditto.
1180         (constraint_edge_vec_find): Ditto.
1181         (erase_graph_self_edge): Ditto.
1182         (add_graph_edge): Ditto.
1183         (get_graph_weights): Ditto.
1184         (merge_graph_nodes): Ditto.
1185         (build_constraint_graph): Ditto.
1186         (topo_visit): Ditto.
1187         (solve_graph): Ditto.
1188         (create_variable_info_for): Ditto.
1189         (init_base_vars): Ditto.
1190         (delete_points_to_sets): Free graph, varmap, and complex constraints.
1191         (condese_varmap_nodes): Free complex vector.
1192         (clear_edges_for_node): Clear succs and preds vector.
1193
1194 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1195
1196         * tree-ssa-structalias.c (update_alias_info): Change counting of
1197         references to not include vdefs.
1198         
1199 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
1200
1201         * tree-ssa-alias.c (free_used_part_map): Add missing free.
1202         (up_insert): Ditto.
1203
1204 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1205
1206         * pa.c (pa_commutative_p): Make PLUS commutative when
1207         TARGET_NO_SPACE_REGS is true.
1208
1209 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1210
1211         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
1212         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
1213         * tree-dfa.c (dump_subvars_for): New.
1214         (debug_subvars_for): New.
1215         (dump_variable): Show subvariables if VAR has them.
1216         * tree-flow-inline.h (get_subvar_at): New.
1217         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
1218         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
1219         Update all users.
1220         (struct subvar): Change fields offset and size to unsigned
1221         HOST_WIDE_INT.
1222         (dump_subvars_for): Declare.
1223         (debug_subvars_for): Declare.
1224         (get_subvar_at): Declare.
1225         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
1226         to unsigned HOST_WIDE_INT *.
1227         (overlap_subvar): Likewise.
1228         * tree-gimple.c (is_gimple_reg): Always return false for
1229         SFTs and memory tags.
1230         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
1231         Update all callers.
1232         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
1233         (compute_may_aliases): Call compute_points_to_sets.
1234         (collect_points_to_info_for): Remove.
1235         (compute_points_to_and_addr_escape): Remove.
1236         (delete_alias_info): Call delete_points_to_sets.
1237         (compute_flow_sensitive_aliasing): If the call to
1238         find_what_p_points_to returns false, call set_pt_anything.
1239         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
1240         (set_pt_anything): Clear pi->pt_vars.
1241         (set_pt_malloc): Remove.
1242         (merge_pointed_to_info): Remove.
1243         (add_pointed_to_expr): Remove.
1244         (add_pointed_to_var): Remove.
1245         (collect_points_to_info_r): Remove.
1246         (is_escape_site): Make extern.
1247         (create_sft): New.
1248         (create_overlap_variables_for): Call it.
1249         * tree-ssa-copy.c (merge_alias_info): Never merge
1250         flow-sensitive alias information.
1251         * tree-ssa-operands.c (get_expr_operands): Adjust variables
1252         offset and size to be unsigned HOST_WIDE_INT.
1253         (add_to_addressable_set): Rename from note_addressable.
1254         Set TREE_ADDRESSABLE as the variables are added to the set.
1255         Update all users.
1256         (add_stmt_operand): Do not try to micro-optimize unmodifiable
1257         operands into VUSEs when adding V_MAY_DEFs for members in an
1258         alias set.
1259         * tree-ssa-operands.h (add_to_addressable_set): Declare.
1260         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
1261         (struct variable_info): Add bitfield is_heap_var.
1262         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
1263         (new_var_info): Initialize is_heap_var.
1264         (get_constraint_for): Add HEAP variables to the symbol table.
1265         Mark them with is_heap_var.
1266         (update_alias_info): New.  Taken mostly from the old
1267         compute_points_to_and_addr_escape.
1268         (handle_ptr_arith): New.
1269         (find_func_aliases): Call update_alias_info.
1270         Call handle_ptr_info for tcc_binary expressions.
1271         Call mark_stmt_modified.
1272         (create_variable_info_for): If DECL has subvars, do not create
1273         variables for its subvars.  Always add all the fields.
1274         (set_uids_in_ptset): If the solution includes ANYOFFSET and
1275         SFTs, then add all the SFTs of the structure.
1276         If VI->DECL is an aggregate with subvariables, add the SFT at
1277         VI->OFFSET.
1278         (find_what_p_points_to): If VI is an artificial variable,
1279         translate to bitfields in SSA_NAME_PTR_INFO.
1280         If the solution is empty, set pi->pt_vars to NULL
1281         (init_base_vars): Create ANYOFFSET.
1282         (compute_points_to_sets): Rename from create_alias_vars.
1283         Make extern.
1284         (pass_build_pta): Remove.
1285         (delete_points_to_sets): Rename from delete_alias_vars.
1286         (pass_del_pta): Remove.
1287         * tree-ssa-structalias.h (struct alias_info): Move from
1288         tree-ssa-alias.h.
1289         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
1290         NUM_REFERENCES_SET): Likewise.
1291         (compute_points_to_sets, delete_points_to_sets): Declare.
1292
1293 2005-07-09  Richard Henderson  <rth@redhat.com>
1294
1295         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
1296         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
1297         alpha_split_lock_test_and_set_12): New functions.
1298         * config/alpha/alpha-protos.h: Update.
1299         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
1300         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
1301         * config/alpha/sync.md (I12MODE): New.
1302         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
1303         (sync_<fetchop_name><I48MODE>): Likewise.
1304         (sync_nand<I48MODE>): Likewise.
1305         (sync_old_<fetchop_name><I48MODE>): Likewise.
1306         (sync_new_<fetchop_name><I48MODE>): Likewise.
1307         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1308         (sync_compare_and_swap<I48MODE>): Likewise.
1309         (sync_lock_test_and_set<I48MODE>): Likewise.
1310         (sync_compare_and_swap<I12MODE>): New.
1311         (sync_compare_and_swap<I12MODE>_1): New.
1312         (sync_lock_test_and_set<I12MODE>): New.
1313         (sync_lock_test_and_set<I12MODE>_1): New.
1314
1315 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
1316
1317         PR 21356
1318         PR 22332
1319         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
1320
1321 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
1322
1323         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
1324         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
1325
1326 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
1327
1328         PR target/21656
1329         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1330
1331 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
1332
1333         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
1334         memory_operand constraint.
1335         (store_conditional_<mode>): Same.
1336         (sync_compare_and_swap<mode>): Same.
1337         (sync_lock_test_and_set<mode>): Same.
1338
1339 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
1340
1341         Rewrite PIC support to more closely model actual instructions.
1342         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
1343         (cris_symbol): Remove prototypes for removed functions.
1344         (cris_pic_symbol_type_of, cris_valid_pic_const)
1345         (cris_expand_pic_call_address): Prototypes for new functions.
1346         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
1347         variable.
1348         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
1349         modifiers.
1350         <case ':'>: Add case for new punctuation character.
1351         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
1352         emitting (extra) PIC modifier.
1353         <case UNSPEC>: Do not assert for PLT.
1354         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
1355         (cris_expand_prologue, cris_expand_epilogue): Check
1356         for pic_offset_table_rtx usage instead of taking
1357         current_function_uses_pic_offset_table as the final word.
1358         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
1359         Remove flag_pic difference.
1360         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
1361         the moral equivalents of...
1362         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
1363         functions.
1364         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
1365         (cris_handle_option): Mark ARG as unused.
1366         (cris_expand_pic_call_address): New worker function for "call",
1367         "call_value".
1368         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
1369         output PIC constructs here.
1370         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
1371         as symbol-specific modifers, not whole or part of operands.
1372         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
1373         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
1374         constants and flag_pic.
1375         (CONSTANT_INDEX_P): Adjust for new functions.
1376         (enum cris_pic_symbol_type): New helper type.
1377         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
1378         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
1379         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
1380         define_constants.
1381         ("movsi"): Emit actual instructions for GOT and relative access.
1382         ("*movsi_got_load"): New pattern to set up the register holding
1383         the GOT pointer.
1384         ("*movsi_internal"): Operand 1 is not a plain general_operand.
1385         Adjust FIXME for 'S'.
1386         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
1387         Use "movs" for -fpic cases.
1388         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
1389         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
1390         ("call", "call_value"): Just call cris_expand_pic_call_address for
1391         PIC addresses.
1392         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
1393         Remove special pattern.
1394         ("*expanded_call_side", "*expanded_call_value_side"): New
1395         patterns.
1396         (gotplt-to-plt, gotplt-to-plt-side-call)
1397         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
1398         peephole2:s.
1399         * config/cris/cris/predicates.md
1400         ("cris_general_operand_or_gotless_symbol"): Remove unused
1401         predicate.
1402         ("cris_general_operand_or_symbol"): Adjust for new functions.
1403
1404 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1405
1406         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
1407
1408 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
1409
1410         * Makefile.in (TREE_H): Add treestruct.def.
1411         (c-decl.o): Add pointer-set.h
1412         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
1413         visibility on regular DECL's.
1414         (merge_decls): Fix the copying of decl nodes of various types for
1415         the new structures.  Don't update RTL, section name, weak status,
1416         etc, on DECL's without RTL.     
1417         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
1418         Don't check volatile on non-variable types.
1419         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
1420         to check whether we have seen arguments.
1421         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
1422         flag is checked before field (flag is common, field is not).    
1423         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
1424         TS_DECL_COMMON could have an origin.
1425         (add_location_or_const_value_attribute): Don't check section name
1426         on non-var/function decls.
1427         (dwarf2out_var_location): Reverse order of tests.
1428         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
1429         with DECL_WRTL_CHECK.
1430         * expmed.c (make_tree): rtl is now in decl_with_rtl.
1431         * fold-const.c (fold_binary): Don't check weakness on
1432         non-var/function decls.
1433         (tree_expr_nonzero_p): Ditto.
1434         (fold_checksum_tree): Use tree_decl_extra as sizeof
1435         buffer.
1436         * ggc-page.c (extra_order_size_table): Add sizes for
1437         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
1438         tree_field_decl.
1439         * gimplify.c (gimplify_bind_expr): Only set
1440         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
1441         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
1442         without RTL.
1443         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
1444         * langhooks.h (init_ts). New langhook.
1445         * passes.c (rest_of_decl_compilation): Reverse order of tests.
1446         * print-tree.c (print_node): Update to only print fields that
1447         exist in the structures the passed decl has.
1448         * toplev.c (wrapup_global_declarations): Don't reset
1449         DECL_DEFER_OUTPUT on DECL's that don't contain it.
1450         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
1451         * tree-inline.c (remap_decl): Ditto.
1452         * tree-outof-ssa.c (create_temp): Reverse order of tests.
1453         * tree-pretty-print.c (print_declaration): Don't print
1454         DECL_REGISTER on things that don't contain it.
1455         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
1456         non-var/function decls.
1457         * tree.c (tree_contains_struct): New structure.
1458         (init_priority_for_decl): New hashtable.
1459         (tree_int_map): New structure.
1460         (tree_int_map_eq): New function.
1461         (tree_int_map_marked_p): Ditto.
1462         (tree_int_map_hash): Ditto.
1463         (tree_map): Move to tree.h.
1464         (tree_map_eq): Externalize.
1465         (tree_map_hash): Ditto.
1466         (tree_map_marked_p): Ditto.
1467         (init_ttree): Set up tree_contains_struct and call langhook.
1468         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
1469         (tree_code_size): Update for new structures.
1470         (tree_node_structure): Update for new structures.
1471         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
1472         without the field.
1473         (copy_node_stat):  Copy init priority.
1474         (build_decl_stat): Ditto for visibility.
1475         (ts_enum_names): New.
1476         (tree_contains_struct_check_failed): New function.
1477         (decl_init_priority_lookup): Ditto.
1478         (decl_init_priority_insert): Ditto.
1479         * treestruct.def: New file.
1480         * tree.h (CODE_CONTAINS_STRUCT): New macro.
1481         (CONTAINS_STRUCT_CHECK): Ditto.
1482         (tree_contains_struct_check_failed): New prototype.
1483         (DECL_CHECK): Removed.
1484         (DECL_MINIMAL_CHECK): New.
1485         (DECL_COMMON_CHECK): Ditto.
1486         (DECL_WRTL_CHECK): Ditto.
1487         (DECL_NON_COMMON_CHECK): Ditto.
1488         (DECL_WITH_VIS_CHECK): Ditto.
1489         (VAR_OR_FUNCTION_DECL_P): Ditto
1490         (struct tree_decl_minimal): New structure.
1491         (struct tree_decl_common): Ditto.
1492         (struct tree_decl_with_rtl): Ditto.
1493         (struct tree_decl_with_vis): Ditto.
1494         (struct tree_decl_non_common): Ditto.
1495         (struct tree_field_decl): Ditto.
1496         (struct tree_parm_decl): Ditto.
1497         (struct tree_var_decl): Ditto.
1498         (struct tree_function_decl): Ditto.
1499         (struct tree_const_decl): Ditto.
1500         (struct tree_result_decl): Ditto.
1501         (union tree_node): Add new structures.
1502         * var-tracking.c (track_expr_p): Reverse order of tests.
1503         
1504         * doc/c-tree.texi: Add documentation on DECL node internal structure.
1505
1506 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1507
1508         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
1509         * system.h: Poison FINALIZE_PIC.
1510         * doc/tm.texi (FINALIZE_PIC): Remove.
1511
1512 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1513
1514         PR tree-opt/22329
1515         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
1516         to the correct type if we have a MODIFY_EXPR.
1517
1518 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
1519
1520         PR tree-optimization/22360
1521         * tree.c (upper_bound_in_type): Fix calculations for casting
1522         to a non-wider signed type and casting a signed value to a
1523         wider unsigned type.
1524         (lower_bound_in_type): Fix calculations for casting to a
1525         non-wider signed type.
1526
1527         PR tree-optimization/20139
1528         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
1529         release_defs.
1530         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
1531         fold_cond_expr_cond.
1532         * tree-ssanames.c (release_defs): Assert in_ssa_p.
1533         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
1534
1535 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
1536
1537         PR tree-opt/22356
1538         * tree-complex.c (expand_complex_libcall): Produce
1539         REALPART_EXPR/IMAGPART_EXPR with the correct type.
1540
1541 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
1542
1543         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
1544         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
1545         b" assert and inserted fastpath code for this case.
1546         (bitmap_ior): Removed "a != b" assert.
1547
1548 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1549
1550         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
1551         (ENDFILE_SPEC): Likewise.
1552         * config/m32r/m32r.h (ASM_SPEC): Likewise.
1553
1554         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
1555         a large stack frame at epilogue.
1556
1557 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
1558
1559         * final.c: Include sdbout.h when required.
1560
1561 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
1562
1563         * config.gcc (*-*-darwin*): Only one target-specific header file
1564         for generic darwin.
1565         (powerpc-*-darwin*): Add version-specific header files.
1566         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
1567         * config.in: Regenerate.
1568         * configure: Regenerate.
1569         * gcc.c: Include xregex.h.
1570         (version_compare_spec_function): New.
1571         (spec_function): Add version-compare.
1572         (replace_outfile_spec_function): Reformat comment.
1573         (compare_version_strings): New.
1574         * config/darwin-c.c (version_as_macro): New.
1575         (builtin_define): New.
1576         (darwin_cpp_builtins): New.
1577         * config/darwin-protos.h (darwin_cpp_builtins): New.
1578         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
1579         (LIB_SPEC): Make unconditional, update comment.
1580         (TARGET_C99_FUNCTIONS): Define.
1581         * config/darwin.opt: Sort.
1582         (mmacosx-version-min=): New.
1583         * config/darwin7.h: Delete.
1584         * config/darwin8.h: Delete.
1585         * config/i386/darwin.h (): Call darwin_cpp_builtins.
1586         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
1587         (TARGET_C99_FUNCTIONS): Define.
1588         * config/rs6000/darwin7.h: New.
1589         * config/rs6000/darwin8.h: New.
1590         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
1591         (-mmacosx-version-min): Document.
1592
1593 2005-07-07  Ian Lance Taylor  <ian@airs.com>
1594
1595         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
1596
1597 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
1598
1599         PR middle-end/22239
1600         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
1601
1602 2005-07-07  Khem Raj  <kraj@mvista.com>
1603
1604         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
1605         in bytes, not words.
1606
1607 2005-07-07  Paul Brook  <paul@codesourcery.com>
1608
1609         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
1610         DEFAULT_FUNCTION_ARG_PADDING to upward.
1611
1612 2005-07-07  Richard Henderson  <rth@redhat.com>
1613
1614         * function.c (locate_and_pad_parm): Record parameter alignment in
1615         stack_alignment_needed.
1616
1617 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
1618
1619         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
1620         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
1621         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
1622         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
1623         (define_attr "type"): Add isync, sync, load_l, store_c.
1624         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
1625         Create scratch volatile MEM.
1626         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
1627         sync.
1628         (load_locked_<mode>): New.
1629         (store_conditional_<mode>): New.
1630         (sync_compare_and_swap<mode>): Replace with splitter.
1631         (sync_lock_test_and_set<mode>): Replace with splitter.
1632         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
1633         and UNSPECV_ISYNC.
1634         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
1635         is ics.  Attribute isync.
1636         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
1637         lwsync.
1638         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
1639         and UNSPECV_SYNC_OP.
1640         (emit_unlikely_jump): New.
1641         (emit_load_locked): New.
1642         (emit_store_conditional): New.
1643         (rs6000_split_compare_and_swap): New.
1644         (rs6000_split_lock_test_and_set): New.
1645         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
1646         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
1647         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
1648         rs6000_split_lock_test_and_set): Declare.
1649         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
1650         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
1651         store_c, isync, sync.
1652
1653 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
1654
1655         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
1656         filenames to gtyp-gen.h.
1657         (s-typ-gen): Use it in place of for loops.
1658
1659 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
1660
1661         * hooks.c (hook_bool_rtx_int_false): New function.
1662         * hooks.h (hook_bool_rtx_int_false): Declare.
1663         * target-def.h (TARGET_COMMUTATIVE_P): Define.
1664         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
1665         * target.h (struct gcc_target): Add commutative_p member.
1666         * targhooks.c (hook_bool_rtx_commutative_p): New function.
1667         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
1668         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
1669         (pa_commutative_p): New function.
1670         * jump.c (target.h): Include.
1671         (rtx_renumbered_equal_p): Use targetm.commutative_p.
1672         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
1673
1674 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1675
1676         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
1677         (s390_expand_setmem): New.
1678         * config/s390/s390.c: Likewise. 
1679         (print_shift_count_operand): Truncate to 12 bits instead of 6.
1680         Adapt comments.
1681         * config/s390/s390.md: ("setmem<mode>"): Accept character as
1682         general_operand.  Call new function "s390_expand_setmem".
1683         ("clrmem_long", "*clrmem_long"): Rewrite to ...
1684         ("setmem_long", "*setmem_long"): ... this.
1685
1686 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1687         
1688         * config/s390/s390.c: (optimization_options): Enable
1689         TARGET_MVCLE at -Os.
1690         * doc/invoke.texi: Document changes in default behaviour.
1691         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
1692
1693 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
1694
1695         * expr.c: (set_storage_via_setmem): Convert opchar to mode
1696         defined by back-end.
1697
1698 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
1699
1700         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
1701         all sets in the pattern.
1702         * config/rs6000/rs6000.md (stack_protect_testsi,
1703         stack_protect_testdi): Likewise.
1704
1705 2005-07-06  Jeff Law  <law@redhat.com>
1706
1707         * tree-vrp.c (simplify_using_ranges): Kill.
1708         (vrp_finalize): Remove call to simplify_using_ranges.
1709         (simplify_stmt_using_ranges): New function extracted from
1710         simplify_using_ranges.
1711         (simplify_div_or_mod_using_ranges): Likewise.
1712         (simplify_abs_using_ranges): Likewise.
1713         (simplify_cond_using_ranges): New function.
1714         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
1715         * tree-ssa-propagate.c (substitute_and_fold): Call
1716         simplify_stmt_using_ranges if we have range information.
1717
1718 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
1719
1720         * config/ia64/ia64.c (ia64_reorg): Check optimize before
1721         ia64_flag_schedule_isns2.
1722
1723         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
1724         reading/writing general registers.
1725         (ia64_function_arg): Revert 2005-06-18 change.
1726
1727 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
1728
1729         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
1730         (legitimize_tls_address): Use gcc_unreachable instead of abort.
1731
1732 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
1733
1734         * function.c (expand_function_end): Revert part of 2005-06-27
1735         patch.  Do sjlj_emit_function_exit_after after return_label.
1736
1737 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1738
1739         * doc/install.texi (--disable-libssp): New.
1740
1741 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
1742
1743         * doc/invoke.texi: Update -fforce-mem documentation.
1744         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove 
1745         code for -fforce-mem.
1746         * expmed.c: (store_bit_field,store_fixed_bit_field,
1747         extract_bit_field): Ditto.
1748         * expr.c: (convert_move): Ditto.
1749         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
1750         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
1751         emit_conditional_add,expand_float,expand_fix): Ditto.
1752         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
1753         (common_handle_option): Issue warning when -fforce-mem specified.
1754
1755 2005-07-06  Paul Brook  <paul@codesourcery.com>
1756
1757         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
1758         argument is empty.
1759         * configure: Regenerate.
1760
1761 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
1762
1763         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
1764
1765 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
1766
1767         Fix PR tree-optimization/22319
1768         Fix PR tree-optimization/22140
1769         Fix PR tree-optimization/22310
1770
1771         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
1772         variable sized types.
1773         Use correct type for intermediate structure on *a = *b structure
1774         copies.
1775                 
1776 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1777
1778         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
1779         Remove.
1780         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
1781         (machine_function): Move typedef to...
1782         * config/rs6000/rs6000.c (machine_function): ... here.  Add
1783         varargs_save_offset field.
1784         (rs6000_stack_t): Remove varargs_size field.
1785         (setup_incoming_varargs): Allocate varargs save area using
1786         assign_stack_local, try to make it as small as possible.
1787         Save offset from virtual_stack_vars_rtx to the save area
1788         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
1789         instead of magic 8 when fp word byte size is used.
1790         (rs6000_va_start): Use cfun->machine->varargs_save_offset
1791         instead of -RS6000_VARARGS_SIZE.
1792         (rs6000_stack_info, debug_stack_info,
1793         rs6000_initial_elimination_offset): Remove all traces of
1794         varargs_size.
1795         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
1796         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
1797         RS6000_VARARGS_AREA.
1798
1799 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
1800
1801         PR tree-optimization/21963
1802         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
1803         constant_multiple_of in the same way get_computation_cost_at does.
1804
1805 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
1806
1807         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
1808         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
1809         (gen_compare_reg): If sparc_compare_emitted is set, clear it
1810         and return its previous value.
1811         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
1812         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
1813         constants.
1814         (stack_protect_set, stack_protect_test): New expanders.
1815         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
1816         stack_protect_testdi): New insns.
1817         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
1818         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
1819
1820 2005-07-06  Jeff Law  <law@redhat.com>
1821
1822         * tree-ssa-dce.c (cfg_altered): New global.
1823         (tree_dce_init): Initialize cfg_altered.
1824         (remove_dead_stmt): If we remove an edge in the CFG, then set
1825         CFG_ALTERED.
1826         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
1827         the dominators.
1828
1829 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
1830
1831         * Makefile.in (stamp-collect-ld): Use
1832         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
1833         ./collect-ld if it already exists.
1834         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
1835         Don't remove ./nm if it already exists.
1836
1837 2005-07-05  Devang Patel  <dpatel@apple.com>
1838
1839         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
1840         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
1841         * tree-vectorizer.c (vect_loop_location): New.
1842         (vect_print_dump_info): Use vect_loop_location.
1843         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
1844         (vectorize_loops): Set vect_loop_location.
1845         * tree-vect-analyze.c (vect_analyze_offset_expr, 
1846         vect_determin_vectorization_factor, vect_analyze_operations,
1847         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
1848         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
1849         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
1850         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
1851         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
1852         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
1853         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
1854         vect_analyze_loop): Adjust vect_print_dump_info API.
1855         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1856         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
1857         vect_finish_stmt_generation, vectorizable_assignment, 
1858         vectorizable_operation, vectorizable_store, vectorizable_load, 
1859         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
1860         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1861         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
1862         vect_transform_loop): Same.
1863         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
1864         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
1865         Same.
1866
1867 2005-07-05  Randolph Chung  <tausq@debian.org>
1868
1869         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
1870         * configure: Regenerate.
1871         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
1872         (pa_tls_referenced_p): Declare.
1873         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
1874         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
1875         (legitimize_tls_address): New.
1876         (hppa_legitimize_address): Handle TLS addresses.
1877         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
1878         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
1879         (emit_move_sequence): Handle TLS addresses.
1880         (pa_encode_section_info): Call default handler to handle common 
1881         sections.
1882         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
1883         (CONSTANT_ADDRESS_P): Reject TLS operands.
1884         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
1885         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
1886         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
1887         (UNSPEC_TLSLE): Define new constants. 
1888         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
1889         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
1890         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
1891         (tie_symbolic_operand, tle_symbolic_operand): New
1892
1893 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
1894
1895         * aclocal.m4: Update macros for autoconf 2.59 style.
1896         * configure.ac: Likewise.
1897
1898 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1899
1900         * pa.c (function_value): Handle small aggregates on 32-bit targets.
1901         (function_arg): Pass small aggregates in general registers on 32-bit
1902         targets.
1903         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
1904
1905 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
1906
1907         * Makefile.in (final.o): Fix dependencies.
1908
1909 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1910
1911         PR c/22013
1912         PR c/22098
1913         * langhooks.h (struct lang_hooks): Add expr_to_decl.
1914         * langhooks.c (lhd_expr_to_decl): New.
1915         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
1916         New.
1917         (LANG_HOOKS_INITIALIZER): Update.
1918         * tree.c (recompute_tree_invarant_for_addr_expr): Call
1919         expr_to_decl langhook.
1920         * c-tree.h (c_expr_to_decl): Declare.
1921         * c-typeck.c (c_expr_to_decl): New.
1922         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
1923         specially.
1924         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
1925
1926 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
1927
1928         PR c/22308
1929         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
1930         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
1931
1932 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
1933
1934         * Makefile.in: Adjust dependencies.
1935         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
1936         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
1937         * alias.c (rest_of_handle_cfg, pass_cfg): New.
1938         * bb-reorder.c (duplicate_computed_gotos): Make it static.
1939         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
1940         rest_of_compilation.
1941
1942         * bb-reorder.c (gate_duplicate_computed_gotos,
1943         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
1944         rest_of_handle_reorder_blocks, pass_reorder_blocks,
1945         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
1946         pass_partition_blocks): New.
1947         * bt-load.c (gate_handle_branch_target_load_optimize,
1948         rest_of_handle_branch_target_load_optimize,
1949         pass_branch_target_load_optimize): New.
1950         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
1951         pass_jump2): New.
1952         * cfglayout.c (pass_insn_locators_initialize): New.
1953         * cfgrtl.c (pass_free_cfg): New.
1954         * combine.c (gate_handle_combine, rest_of_handle_combine,
1955         pass_combine): New.
1956         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
1957         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
1958         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
1959         * except.c (pass_set_nothrow_function_flags,
1960         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
1961         pass_rtl_eh): New.
1962         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
1963         rest_of_handle_shorten_branches, pass_shorten_branches,
1964         rest_of_clean_state, pass_clean_state): New.
1965         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
1966         rest_of_handle_remove_death_notes, pass_remove_death_notes,
1967         rest_of_handle_life, pass_life, rest_of_handle_flow2,
1968         pass_flow2): New.
1969         * function.c (pass_instantiate_virtual_regs, pass_init_function,
1970         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
1971         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
1972         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
1973         pass_gcse): New.
1974         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
1975         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
1976         pass_rtl_ifcvt, gate_handle_if_after_combine,
1977         rest_of_handle_if_after_combine, pass_if_after_combine,
1978         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
1979         pass_if_after_reload): New.
1980         * integrate.c (pass_initial_value_sets): New.
1981         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
1982         pass_purge_lineno_notes): New.
1983         * mode-switching.c (rest_of_handle_mode_switching,
1984         pass_mode_switching): New.
1985         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
1986         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
1987         pass_loop2): New.
1988         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
1989         pass_loop_optimize): New.
1990         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
1991         pass_sms): New.
1992         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
1993         pass_gcse2): New.
1994         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
1995         pass_postreload_cse): New.
1996         * profile.c (gate_handle_profiling, pass_profiling,
1997         rest_of_handle_branch_prob, pass_branch_prob): New.
1998         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, 
1999         pass_split_before_regstack, gate_handle_split_before_regstack,
2000         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
2001         rest_of_handle_split_all_insns, pass_split_all_insns): New.
2002         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
2003         pass_stack_regs): New.
2004         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
2005         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
2006         pass_stack_adjustments): New.
2007         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
2008         pass_regrename): New.
2009         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
2010         pass_delay_slots, gate_handle_machine_reorg,
2011         rest_of_handle_machine_reorg, pass_machine_reorg): New.
2012         * rtl.h (extern void purge_line_number_notes): New.
2013         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
2014         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
2015         pass_sched2): New.
2016         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
2017         pass_tracer): New.
2018         * value-prof.c (gate_handle_value_profile_transformations,
2019         rest_of_handle_value_profile_transformations,
2020         pass_value_profile_transformations): New.
2021         * var-tracking.c (gate_handle_var_tracking,
2022         pass_variable_tracking): New.
2023         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
2024
2025         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
2026         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
2027         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
2028         rest_of_handle_old_regalloc, rest_of_handle_regrename,
2029         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
2030         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
2031         rest_of_handle_gcse2, rest_of_handle_regmove,
2032         rest_of_handle_tracer, rest_of_handle_if_conversion,
2033         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
2034         rest_of_handle_web, rest_of_handle_branch_prob,
2035         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
2036         rest_of_handle_jump_bypass, rest_of_handle_combine,
2037         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
2038         rest_of_handle_gcse, rest_of_handle_loop_optimize,
2039         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
2040         rest_of_handle_mode_switching, rest_of_handle_jump,
2041         rest_of_handle_eh, rest_of_handle_stack_adjustments,
2042         rest_of_handle_flow2, rest_of_handle_jump2,
2043         rest_of_handle_peephole2, rest_of_handle_postreload,
2044         rest_of_handle_shorten_branches, rest_of_clean_state,
2045         rest_of_compilation): Remove.
2046
2047         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
2048         * passes.c (dump_flags, in_gimple_form, all_passes,
2049         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2050         register_dump_files, next_pass_1, last_verified, execute_todo,
2051         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
2052         from tree-optimize.c.
2053         (init_optimization_passes): Moved from tree-optimize.c,
2054         adding the RTL optimizations.
2055         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
2056         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
2057         all_ipa_passes, all_lowering_passes, register_one_dump_file,
2058         register_dump_files, next_pass_1, last_verified, execute_todo,
2059         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
2060         init_tree_optimization_passes, ipa_passes): Delete.
2061         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
2062         the RTL dumps.
2063         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
2064         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
2065         from tree.h.
2066         (ipa_passes): Remove.
2067         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
2068         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
2069         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
2070         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
2071         (dump_info_p, dump_flag): Moved to tree-dump.h.
2072         
2073         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
2074         cgraph.c, opts.c.
2075         * passes.c (finish_optimization_passes): Use dump_begin
2076         and dump_end, TDI_end.
2077         (gate_rest_of_compilation): New.
2078         (pass_rest_of_compilation): Use it.
2079         (gate_postreload, pass_postreload): New.
2080         * toplev.c (general_init): Rename init_tree_optimization_passes.
2081         * toplev.h (init_tree_optimization_passes): Rename to
2082         init_optimizations_passes.
2083         * tree-dump.c (dump_flag): Make static.
2084         (dump_files): Remove RTL dumps.
2085         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2086         pass_cleanup_cfg, pass_free_cfg_annotations,
2087         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
2088         pass_init_datastructures, pass_fixup_cfg): Make non-static.
2089         * tree-pretty-print.c: Include tree-pass.h.
2090         * cgraph.c: Include tree-dump.h.
2091         
2092 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2093
2094         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
2095         Only fall back to saying it points to readonly memory if
2096         we can't do better.
2097
2098 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2099
2100         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
2101         * config/m32r/m32r.c (m32r_compute_frame_size,
2102         m32r_expand_prologue): Take current_function_profile into
2103         account whenever we reference
2104         current_function_uses_pic_offset_table.
2105         (m32r_finalize_pic): Remove.
2106         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
2107
2108 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
2109
2110         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
2111         instead of $<.  Don't remove ./as if it already exists.
2112
2113 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2114
2115         PR target/21723
2116         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
2117         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
2118         for complex modes when generating code for PA 1.0.
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         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
2125         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
2126         (VALID_FP_MODE_P): New macro.
2127         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
2128         sets for all general and floating point modes.  Align wide floating
2129         point modes to even register boundaries to comply with architectural
2130         requirements.
2131
2132 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2133
2134         * tree-dump.c (dump_files): Initialize dump number for .cgraph
2135         to 0.
2136
2137 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2138
2139         * tree-ssa-structalias.c: Don't include expr.h.
2140
2141 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
2142
2143         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
2144         comments.
2145
2146 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
2147
2148         Fix PR tree-optimization/22279
2149         
2150         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
2151         correct operator.
2152         
2153 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
2154
2155         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
2156
2157 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2158
2159         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
2160         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
2161         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
2162         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
2163         config/stormy16/stormy16.c, config/v850/v850.c,
2164         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
2165         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
2166         Avoid "." or "\n" at end of diagnostics and capital letters at
2167         start of diagnostics.
2168         * combine.c, cse.c: Don't translate dump file output.
2169         * toplev.c (print_version): Only translate output if going to
2170         stderr.
2171
2172 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2173
2174         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
2175         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
2176         typos.
2177
2178 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2179
2180         * pa.c (fix_range): Fix typo in comment.
2181
2182 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
2183
2184         * tree-vrp.c (extract_range_from_assert): Replace
2185         fold (build (...)) with fold_build2.
2186
2187 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2188
2189         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
2190         gcc_gfc_char_table, init_dynamic_gfc_info): New.
2191         (format_types_orig, handle_format_attribute): Add support for
2192         format "gcc_gfc".
2193
2194 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2195
2196         * varasm.c (assemble_variable): Fix format specifier thinko.
2197
2198 2005-07-03  Ira Rosen  <irar@il.ibm.com>
2199
2200         PR tree-optimization/22029 (and 22135)
2201         * tree-pretty-print.c (dump_generic_node): Check that the node is not
2202         a phi node before calling dump_vops.
2203
2204 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2205
2206         * tree-dump.h (dump_string_field): Declare.
2207         * tree-dump.c: Use it instead of dump_string.
2208         (dump_string_field): Make non-static.
2209
2210 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2211
2212         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
2213         up the minimal CFG stuff always when optimize > 0.  Call
2214         split_all_insns_noflow in PIC case if needed.
2215
2216 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2217             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
2218
2219         PR c++/18279
2220         * c-decl.c (c_write_global_declarations): Dump contents of
2221         external scope to.
2222         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
2223         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
2224         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
2225         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
2226         is enabled.
2227         
2228 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
2229
2230         * c-common.h (GCC_DIAG_STYLE): Define.
2231         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
2232         version for format checking to 4.1.
2233         * c-format.c: Include toplev.h after c-common.h.
2234         (enum format_type): Add gcc_tdiag_format_type.
2235         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
2236         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
2237         (format_types_orig): Add gcc_tdiag.
2238         (init_dynamic_diag_info): Support gcc_tdiag formats.
2239         (handle_format_attribute): Likewise.
2240         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
2241         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
2242         version for format checking to 4.1.
2243         (warning0, warning, error, pedwarn, sorry): Use
2244         ATTRIBUTE_GCC_DIAG.
2245         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
2246         (finish_aliases_1): Do not use %qE.
2247         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
2248         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
2249         Correct format bugs.
2250         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
2251         parameter to unsigned HOST_WIDE_INT.
2252         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
2253
2254 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
2255
2256         PR middle-end/21742
2257         * expr.c (write_complex_part): Use adjust_address for MEM.
2258         (read_complex_part): Same.
2259
2260 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
2261
2262         Fix PR tree-optimization/22280
2263
2264         * tree-sra.c (generate_element_init): Remove useless loop.
2265
2266 2005-07-02  Richard Henderson  <rth@redhat.com>
2267
2268         * config/alpha/alpha.c (alpha_legitimize_address): Check for
2269         TLS_MODEL_NONE.
2270         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
2271
2272 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
2273
2274         PR middle-end/14490
2275         * fold-const.c (fold_binary): Handle the return value of
2276         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
2277         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
2278
2279 2005-07-02  Jeff Law  <law@redhat.com>
2280
2281         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
2282         a eliminate type conversion which feeds an equality comparison
2283         if the original type or either operand in the comparison is a
2284         function pointer.
2285
2286 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
2287
2288         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
2289         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
2290         texts.
2291         * config/avr/avr.c: Do not use '`' as left quote.
2292         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
2293         Remove "." from end of diagnostics.  Make diagnostics start with
2294         lowercase letter.
2295
2296 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
2297             Joseph S. Myers  <joseph@codesourcery.com>
2298
2299         * toplev.c (default_tree_printer): Handle setting location with
2300         '+' flag.
2301         * c-objc.common.c (c_tree_printer): Likewise.
2302         * c-format.c (gcc_diag_flag_specs): Add '+'.
2303         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
2304         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
2305         formats.
2306         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
2307         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
2308         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
2309         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
2310         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
2311         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
2312         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
2313         format arguments where %J is used without %D.
2314
2315 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
2316
2317         * gcc.c (LINK_SSP_SPEC): Define.
2318         (link_ssp_spec): New variable.
2319         (LINK_COMMAND_SPEC): Add %(link_ssp).
2320         (static_specs): Add link_ssp_spec.
2321         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
2322         * configure: Rebuilt.
2323         * config.in: Rebuilt.
2324
2325         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2326         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2327         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2328         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
2329         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
2330         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
2331         -0x7008(2) instead of reading __stack_chk_guard variable.
2332         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
2333         number.
2334         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
2335         (stack_protect_set, stack_protect_test): Use *_tls* patterns
2336         if TARGET_THREAD_SSP_OFFSET is defined.
2337         (stack_tls_protect_set_si, stack_tls_protect_set_di,
2338         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
2339
2340         Revert:
2341         2005-06-27  Richard Henderson  <rth@redhat.com>
2342         * libgcc-std.ver (GCC_4.1.0): New.
2343         * libgcc.h (__stack_chk_guard): Declare.
2344         (__stack_chk_fail, __stack_chk_fail_local): Declare.
2345         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
2346         * mklibgcc.in (lib2funcs): Add them.
2347
2348 2005-07-01  Richard Henderson  <rth@redhat.com>
2349
2350         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
2351         void * before struct sigcontext *.
2352         (x86_fallback_frame_state): Likewise.
2353
2354 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
2355
2356         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
2357
2358 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2359
2360         PR tree-opt/22269
2361         * tree-ssa-reassoc.c (should_transpose): Fix which operand
2362         we check for SSA_NAME for.
2363
2364 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
2365
2366         Fix PR tree-optimization/22071
2367
2368         * tree-ssa-structalias.c (offset_overlaps_with_access): New
2369         function.
2370         (get_constraint_for_component_ref): Use it.
2371
2372 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
2373
2374         PR other/22264
2375         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
2376         print out the last new line.
2377
2378 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
2379
2380         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
2381         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
2382         * config/cris/cris.c (cris_conditional_register_usage): Adjust
2383         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
2384         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
2385         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
2386         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
2387         (enum reg_class): New member CC0_REGS.
2388         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
2389         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2390         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
2391         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
2392         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2393         Adjust for register now described.
2394
2395 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
2396
2397         PR target/22262
2398         * config/i386/i386.md (stack_protect_test_si,
2399         stack_protect_test_di): Add earlyclobber for scratch 3.
2400         * config/rs6000/rs6000.md (stack_protect_testsi,
2401         stack_protect_testdi): Add earlyclobber for scratch 3,
2402         remove earlyclobber from scratch 4.
2403
2404 Older entries for 2005 can be found in ChangeLog-2005.