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