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* tree-inline.c (copy_body_r): Use explicit cast when
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2
3         * tree-inline.c (copy_body_r): Use explicit cast when converting
4         from void *.
5         (copy_bb): Likewise.
6         (copy_edges_for_bb): Likewise.
7         (remap_decl_1): Likewise.
8         (estimate_num_insns_1): Likewise.
9         * cgraph.c (hash_node): Use explicit cast when converting from
10         void *.
11         (eq_node): Likewise.
12         (cgraph_create_node): Use GGC_CNEW.
13         (cgraph_create_edge): Use GGC_NEW.
14         (cgraph_remove_node): Use explicit cast when converting from void *.
15         (hash_varpool_node): Likewise.
16         (eq_varpool_node): Likewise.
17         (cgraph_varpool_node): Use GGC_CNEW.
18         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
19         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
20         (eq_scev_info): Use explicit cast when converting from void *.
21         (find_var_scev_info): Likewise.
22         (set_instantiated_value): Likewise.
23         (gather_stats_on_scev_database_1): Likewise.
24         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
25         from void *.
26         * c-pch.c (c_common_write_pch): Use XNEWVEC.
27         (c_common_read_pch): Likewise.
28         * prefix.c (save_string): Use XNEWVEC.
29         (translate_name): Use explicit cast when converting from void *.
30         * c-ppoutput.c (print_line): Use explicit cast when converting
31         from void *.
32         (pp_dir_change): Likewise.
33         * c-cppbuiltin.c (builtin_define_std): Likewise.
34         (builtin_define_with_value): Likewise.
35         (builtin_define_with_value_n): Likewise.
36         (builtin_define_with_int_value): Likewise.
37         (builtin_define_type_max): Likewise.
38         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
39         (add_path): Use XNEW.
40         * c-format.c (check_format_info_main): Use GGC_NEW.
41         (format_type_warning): Use explicit cast when converting from void *.
42         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
43         xmalloc. 
44         (start_init): Likewise.
45         * tree-flow-inline.h (first_referenced_var): Use explicit cast
46         when converting from void *.
47         (next_referenced_var): Likewise.
48         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
49         * gensupport.c (lookup_predicate): Use explicit cast to convert
50         from void *.
51         (init_predicate_table): Use XCNEW instead of xcalloc.
52         * genpreds.c (process_define_predicate): Likewise.
53
54 2005-12-17  Danny Berlin <dberlin@dberlin.org>
55             Kenneth Zadeck <zadeck@naturalbridge.com>
56
57         * basic-block.h: Changed basic block numbering so that the entry
58         block is 0 and the exit block is 1.  Changed insn iterators so
59         that they are tolerant of blocks with no insns.
60         * regrename.c (copyprop_hardreg_forward): Changed basic block
61         numbering so that the entry block is 0 and the exit block is 1.
62         * sched-ebb.c (sehedule_ebbs): Ditto.
63         * tracer.c (branch_ratio_cutoff): Ditto.
64         * cfgloopmanip.c (fix_loop_structure): Ditto.
65         * cfghooks.c (verify_flow_info): Ditto.
66         * cfg.c (compact_blocks): Ditto.
67         * reorg.c (dbr_schedule): Ditto.
68         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
69         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
70         calculate_dominance_info): Ditto.
71         * cfganal.c (create_edge_list, print_edge_list,
72         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
73         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
74         dfs_enumerate_from): Ditto.
75         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
76         * ifcvt.c (find_if_case_2): Ditto.
77         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
78         find_basic_blocks): Ditto.
79         * predict.c (predict_loops, tree_bb_level_predictions,
80         predict_paths_leading_to, propagate_freq): Ditto.
81         * lcm.c (compute_antinout_edge, compute_laterin,
82         compute_available): Ditto.
83         * function.c (thread_prologue_and_epilogue_insns): Ditto.
84         * gcse.c (gcse_main, bypass_jumps): Ditto.
85         * profile.c (compute_branch_probabilities,
86         compute_value_histograms, branch_prob): Ditto.
87         * tree-flow-inline.h (bsi_start, bsi_after_labels,
88         bsi_last): Ditto.
89         * tree-ssa-phiopt.c (tree_ssa_phiopt,
90         blocks_in_phiopt_order): Ditto.
91         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
92         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
93         * tree-dfa.c (collect_dfa_stats): Ditto.
94         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
95         * cfglayout.c (fixup_reorder_chain): Ditto.
96         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
97         partition_hot_cold_basic_blocks): Ditto.
98         * var-tracking.c (vt_find_locations): Ditto.
99         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
100         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
101         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
102         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
103         * tree-ssa-reassoc.c (init_reassoc): Ditto.
104         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
105         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
106         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
107         and removed unused reverse orders.
108         * df.h (): Ditto.
109         * combine.c: Fix document typo.
110
111 2005-12-17  Jan Hubicka  <jh@suse.cz>
112
113         * tree-flow-inline.h (set_default_def, default_def): Kill.
114         * tree-dfa.c (default_defs): New global variable.
115         (default_def, set_default_def): New functions.
116         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
117         * tree-flow.h (struct var_ann_d): Kill default_def field.
118         (set_default_def, default_def): Update prototype.
119         (default_defs): Declare.
120
121 2005-12-16  Jeff Law  <law@redhat.com>
122
123         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
124         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
125         into tree-ssa-forwprop.c.
126         (eliminate_redundant_computations): Do not call
127         simplify_rhs_and_lookup_avail_expr anymore.
128         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
129         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
130         (tree_ssa_forward_propagate_single_use_vars): Call
131         simplify_not_neg_expr appropriately.
132
133 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
134
135         PR target/20016
136         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
137
138 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
139
140         PR rtl-optimization/25456
141         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
142         info->x_start with p->x_start.
143
144 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
145
146         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
147         introduced 2005-12-16.
148
149 2005-12-16  Steven Bosscher  <stevenb@suse.de>
150
151         PR rtl-optimization/23837
152         * optabs.c (expand_binop): For a multi-word rotate, never emit
153         a REG_NO_CONFLICT block.
154
155 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
156
157         PR middle-end/25457
158         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
159
160         PR target/25447
161         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
162         MODE_DECIMAL_FLOAT.
163
164 2005-12-16  Steven Bosscher  <stevenb@suse.de>
165
166         * loop-invariant.c (move_loop_invariants): Add missing hunk from
167         the previous patch, to nullify df.
168
169 2005-12-16  Steven Bosscher  <stevenb@suse.de>
170
171         * reorg.c (mostly_true_jump): Clean up code depending on
172         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
173         poor man's branch prediction, instead rely on REG_BR_PROB
174         notes to be available.
175
176 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
177
178         PR rtl-optimization/24899
179         * loop.c (strength_reduce): Don't reduce giv that is not always
180         computable and where add_val or mult_val can trap.
181
182         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
183
184 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
185
186         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
187         names of ms1-16-002 files.
188
189 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
190
191         PR driver/20425
192         * gcc.c (for_each_path): New function.
193         (add_to_obstack, file_at_path): New functions.
194         (struct file_at_path_info, struct add_to_obstack_info): New.
195         (build_search_list): Rewrite using for_each_path.  Constify struct
196         path_prefix pointer.  Add do_multi param.  Adjust all callers.
197         (find_a_file): Similarly, but just change existing param to bool.
198         (putenv_from_prefixes): Add do_multi param, make "paths" const.
199         (do_spec_path): Delete.
200         (struct spec_path_info): New.
201         (spec_path): New function.
202         (do_spec_1): Use for_each_path for %D and %I.
203         (find_file): Adjust for find_a_file changes.
204         (main): Search multilibs for specs.  Print multilib lib path for
205         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
206         (read_specs): Search multilibs for %include and %include_noerr.
207         (is_directory): Remove second string param.  Change last param
208         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
209         check path is a dir.  Update all callers.
210         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
211         * system.h (SMALL_ARG_MAX): Poison.
212         * config.gcc: Don't define SMALL_ARG_MAX.
213         * config.host: Likewise.
214         * config.build: Likewise.
215
216 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
217
218         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
219         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
220         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
221         simplify_logical): Move simplifications that do not require
222         additional infrastructure...
223         * simplify-rtx.c (simplify_unary_operation_1,
224         simplify_binary_operation_1): ... here.
225
226 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
227
228         PR 24823
229         * flow.c (mark_used_dest_regs): New function.
230         (mark_used_regs): Call mark_used_dest_regs.
231
232 2005-12-16  Jeff Law  <law@redhat.com>
233
234         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
235         represent a use and definition of the same SSA_NAME.
236
237 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
238             Janis Johnson  <janis187@us.ibm.com>
239             Ben Elliston  <bje@au.ibm.com>
240
241         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
242         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
243         * target.h (struct gcc_target): Add decimal_float_supported_p.
244         * targhooks.c (default_scalar_mode_supported_p): Handle
245         MODE_DECIMAL_FLOAT.
246         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
247         of inf, nan, finite, isinf and isnan.
248         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
249         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
250         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
251         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
252         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
253         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
254         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
255         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
256         Pedwarn if decimal floating point types are used.  Error if
257         decimal floating point is not supported by the target.
258         (finish_declspecs): Return type from DFP typespec_word.
259         * c-typeck.c (c_common_type): Choose the decimal floating point
260         type with the greater precision when determining a common type.
261         (convert_arguments): Warn if there is a mismatch between argument
262         and prototype for decimal float types.  Warn of conversions with
263         binary float types and of precision narrowing due to prototype.
264         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
265         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
266         (c_token_starts_declspecs): Likewise.
267         (c_parser_attributes): Likewise.
268         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
269         RID_DFLOAT64, RID_DFLOAT128.
270         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
271         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
272         (shorten_compare): Convert DFP/BFP operands to a common type.
273         (c_common_modes_and_builtins): Register built-in decimal float
274         types if the target supports them.
275         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
276         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
277         inf, nan, finite, isinf and isnan builtins.
278         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
279         (builtin_define_float_constants): Assert non-decimal radix.
280         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
281         Call builtin_define_decimal_float_constants for each type.
282         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
283         flags.  Use real_from_string3, which can handle binary or decimal
284         floats.
285         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
286         cts_dfloat64, cts_dfloat128.
287         * tree.c (build_common_tree_nodes_2): Add decimal float types.
288         * tree.h (enum tree_index): Add new enumeration values
289         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
290         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
291         (dfloat32_type_node): New macro.
292         (dfloat64_type_node, dfloat128_type_node): Likewise.
293         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
294         (dfloat128_ptr_type_node): Likewise.
295         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
296         bit decimal floating point types with "df", "dd" and "dl".
297         * c-format.h (enum format_lengths): Add new enumeration values
298         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
299         * c-format.c (printf_length_specs, scanf_length_specs): Add
300         entries for H, D, DD.
301         (print_char_table, scan_char_table): Use new entries.
302         (asm_fprintf_char_table, gcc_diag_char_table,
303         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
304         length arrays.
305         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
306         (DECIMAL64_TYPE_SIZE): Likewise.
307         (DECIMAL128_TYPE_SIZE): Likewise.
308         (TARGET_DEC_EVAL_METHOD): Likewise.
309         * doc/extend.texi (Decimal Float): New node.
310         (Constructing Calls): Document decimal float built-ins.
311         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
312         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
313         * ginclude/decfloat.h: New file.
314
315 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
316
317         * reload.c (find_reloads): Fix comment typo.
318         * recog.h (recog_memoized): Correct comment.
319
320 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
321
322         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
323         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
324         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
325         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
326         * doc/invoke.texi, doc/tm.texi: Fix typos.
327
328 2005-12-16  Ben Elliston  <bje@au.ibm.com>
329
330         * real.c (decimal_quad_format): Correct values for emin, emax.
331
332 2005-12-15  DJ Delorie  <dj@redhat.com>
333
334         * config/m32c/predicates.md (m32c_psi_scale): New.
335         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
336         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
337
338 2005-12-16  Jan Hubicka  <jh@suse.cz>
339
340         PR rtl-optimization/25224
341         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
342         tables.
343
344 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
345             Steven Bosscher <stevenb@suse.de>
346
347         * loop-invariant.c (df): New global variable.
348         (find_defs, check_dependencies, find_invariant_insn, record_uses,
349         find_invariants_bb, find_invariants_body, find_invariants,
350         find_invariants_to_move, move_invariants, free_inv_motion_data,
351         move_single_loop_invariants, move_loop_invariants): Do not pass df in
352         arguments.
353
354 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
355
356         * varasm.c (default_unique_section_1): Use special section
357         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
358
359 2005-12-16  Ben Elliston  <bje@au.ibm.com>
360
361         * doc/invoke.texi (Warning Options): Document -Walways-true being
362         enabled by -Wall.
363
364 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
365
366         PR other/25028
367         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
368         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
369         __floatunditf): Use #error if type sizes don't match requirements
370         of implementation.
371         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
372         as wider floating-point type.  Use #error if type sizes don't
373         match requirements of implementation.  Avoid overflow in computing
374         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
375         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
376         (__floatundisf, __floatundidf): Likewise.
377         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
378         * config/ia64/ia64.c (ia64_init_libfuncs): Use
379         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
380         TFmode-TImode conversions.
381         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
382
383 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
384
385         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
386         Use builtin_define_with_int_value() instead of
387         adding a new check for every new major FreeBSD version.
388
389 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
390
391         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
392
393 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
394
395         * config/arm/predicates.md (call_memory_operand): New.
396         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
397
398 2005-12-15  Andrew Haley  <aph@redhat.com>
399
400         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
401         against prev_cache_entry == NULL when moving a cache entry to the
402         head of the list.
403         
404 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
405
406         * config/mt/mt.c (mt_override_options): Require lower case
407         architectures.  Revert accidental default to ms2.
408         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
409         ENDFILE_SPEC): Require lower case architectures.  Revert default
410         to ms2.
411
412         * doc/invoke.texi (MT Options): Rename and update.
413         * doc/md.texi (MorphoTech family): Rename and update.
414
415 2005-12-15  Olivier Hainque  <hainque@adacore.com>
416
417         * stor-layout.c (layout_type): Don't complain about a too small
418         an array element type size compared to its alignment when the
419         size overflows.
420
421 2005-12-15  Jan Hubicka  <jh@suse.cz>
422
423         PR target/24969
424         * i386.c (classify_argument): Properly adjust offset of bitfield for
425         substructures.
426
427 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
428
429         * final.c (final_scan_insn): Flip in_cold_section_p when changing
430         between the hot and cold sections.  Use current_function_section
431         to get the new section.
432         * dwarf2out.c (output_line_info): Use in_cold_section_p to
433         determine whether we are assembling hot or cold code.
434         (secname_for_decl, dwarf2out_var_location): Likewise.
435         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
436         * varasm.c (last_text_section): Delete.
437         (in_cold_section_p): New variable.
438         (hot_function_section): New function.
439         (current_function_section): Pass in_cold_section_p as the
440         reloc argument to select_section.  Use it to decide between
441         unlikely_function_section and hot_function_section.
442         (assemble_start_function): Use switch_to_section.  Set
443         in_cold_section_p instead of last_text_section.
444         (assemble_end_function): Use switch_to_section.
445         (switch_to_section): Don't set last_text_section.
446         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
447         argument to make the right choice between hot and cold sections.
448
449 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
450
451         Second part of MS1->MT renaming
452         * config/mt/mt.md (doloop_end): Call mt_add_loop.
453         (movqi, movhi): Call mt_set_memflags.
454         (*movdf_internal): Call mt_split_words. 
455         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
456         mt_set_memflags.
457         (cmpsi): Store to mt_compare_op[01].
458         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
459         bungt, bunle, bunlt): Call mt_emit_cbranch.
460         (prologue): Call mt_expand_prologue.
461         (epilogu): Call mt_expend_epilogue.
462         (eh_return): Call mt_expand_eh_return.
463         (eh_epilogue): Call me_emit_eh_epilogue.
464         (conditional_trap): Store to mt_compare_op[01].
465         * config/mt/crti.asm: Adjust comment.
466         * config/mt/crtn.asm: Adjust comment.
467         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
468         (mt_compare_op0, mt_compare_op1): Renamed.
469         (current_frame_info, zero_frame_info): Adjust type.
470         (mt_ucmpsi3_libcall): Renamed.
471         (mt_flag_delayed_branch): Renamed.
472         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
473         (mt_nops_required, mt_nop_reasons): Renamed.
474         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
475         mt_debug_stack, mt_print_operand_simple_address,
476         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
477         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
478         mt_function_arg_advance, mt_arg_partial_bytes,
479         mt_pass_by_reference, mt_function_arg_boundary,
480         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
481         mt_legitimate_address_p): Renamed, adjusted.
482         (mt_cpu): Renamed.
483         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
484         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
485         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
486         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
487         mt_expand_eh_return, mt_emit_eh_prologue,
488         mt_handl_interrupt_attribute): Renamed, adjusted.
489         (mt_attribute_table): Renamed, adjusted.
490         (mt_initial_elimination_offset, mt_generate_compare,
491         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
492         mt_secondary_reload_class, mt_function_value, mt_split_words,
493         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
494         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
495         (mt_labels): Renamed.
496         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
497         mt_machine_reorg): Renamed, adjusted.
498         (mt_attribute_table: Renamed.
499         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
500         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
501         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
502         * config/mt/mt.opt (march): Set mt_cpu_string.
503         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
504         (TARGET_CPU_CPP_BUILTINS): Adjust.
505         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
506         TARGET_MS2): Adjust.
507         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
508         (MT_MIN_INT): Renamed.
509         (RETURN_ADDR_RTX): Adjust.
510         (struct mt_frame_info): Renamed.
511         (current_frame_info): Adjust type.
512         (INITIAL_ELIMINATION_OFFSET): Adjust.
513         (MT_NUM_ARG_REGS): Renamed.
514         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
515         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
516         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
517         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
518         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
519         (mt_compare_op0, mt_compare_op1): Renamed.
520         * config/mt/mt-protos.h: Rename prototypes.
521
522 2005-12-15  Richard Guenther  <rguenther@suse.de>
523
524         * tree-flow.h (okay_component_ref_for_subvars): Remove.
525         (get_ref_base_and_extent): Declare.
526         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
527         (get_ref_base_and_extent): New function.
528         * tree-ssa-alias.c (find_used_portions): Use it.
529         * tree-ssa-structalias.c (get_constraint_for_component_ref):
530         Likewise.
531         * tree-ssa-operands.c (get_expr_operands): Likewise.
532
533 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
534
535         * combine.c: Remove force_to_mode's fourth parameter.
536         (force_to_mode): Do not handle REG.
537         (canon_reg_for_combine): New.
538         (make_field_assignment): Use it where the removed argument was non-NULL.
539
540 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
541
542         PR target/25406
543         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
544         error_mark_node.  Make alignment params unsigned.
545         * config/rs6000/rs6000-protos.h
546         (rs6000_special_round_type_align): Update prototype.
547         (rs6000_machopic_legitimize_pic_address): Remove arg names.
548
549 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
550
551         PR rtl-optimization/25310
552         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
553         of the eliminable register when substituting into a PLUS.
554
555 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
556
557         PR debug/25023
558         * config/i386/i386.c (ix86_force_to_memory): Always use
559         SImode push for HImode in -m32.
560         (ix86_free_from_memory): Likewise.
561
562 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
563
564         * gcc/config/arm/arm.md: Provide a big-endian version of the
565         (zero_extend:SI (subreg:QI ...)) splitter.
566
567 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
568
569         * struct-equiv.c (note_local_live): Handle hard regs with different
570         hard_regno_nregs.
571
572 2005-12-14  Jeff Law  <law@redhat.com>
573
574         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
575         to a structure containing state rather than a pointer to bool.
576         (case ARRAY_REF): New code to handle folding some array references.
577         (case ADDR_EXPR): Note when we are processing expressions found
578         within an ADDRE_EXPR.
579         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
580         for state variables rather than just a pointer to a boolean.
581         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
582         handling of constant string references.
583
584 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
585
586         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
587         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
588         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
589         Move other tst* patterns to retain partial order.
590
591 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
592
593         * config/s390/s390.md ("d0", "1"): New mode attributes.
594         ("<shift>di3", "<shift>si3"): Merge.
595         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
596         ("ashrdi3", "ashrsi3"): Merge.
597         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
598         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
599         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
600         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
601         ("*ashrdi3", "*ashrsi3"): Merge.
602         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
603
604 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
605
606         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
607         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
608         ("*extendqidi2", "*extendqisi2") Merge.
609         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
610         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
611         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
612         Move some patterns to retain partial ordering.
613
614 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
615
616         * config/s390/s390.md ("atype", "length"): Rewrite.
617         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
618
619 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
620
621         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
622
623 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
624
625         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
626         PARALLELs with a mode.
627
628 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
629
630         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
631         cond_expr parameter.
632
633 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
634
635         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
636
637 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
638
639         PR bootstrap/25397:
640
641         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
642         of STACK_REGS bits.
643
644         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
645
646 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
647
648         PR target/25254
649         PR target/24188
650         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
651         DECL_P, call get_section rather than get_named_section.  Supply
652         section flags to it.
653
654 2005-12-14  Ben Elliston  <bje@au.ibm.com>
655
656         * c-common.c (c_common_truthvalue_conversion): Generalise warning
657         for addresses converted to booleans; not just function addresses.
658         * c-typeck.c (build_binary_op): Warn for address comparisons which
659         can never be NULL (eg. func == NULL or &var == NULL).
660         * common.opt (Walways-true): New option.
661         * c-opts.c (c_common_handle_option): Set it with -Wall.
662         * doc/invoke.texi: Document it.
663
664 2005-12-13  Paul Brook  <paul@codesourcery.com>
665
666         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
667         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
668
669 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
670
671         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
672         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
673
674         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
675         (EXTRA_MULTILIB_PARTS): Define.
676
677 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
678
679         PR rtl-optimization/20070 / part1
680         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
681         count_or_remove_death_notes with kill == -1.
682         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
683         registers if PROP_POST_REGSTACK is set.
684         (mark_used_reg): Likewise.
685         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
686         REG_UNUSED notes for stack regs.
687         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
688         to match rtx_equiv_p machinery.  Change caller.
689         (outgoing_edges_match): Likewise.
690         (try_crossjump_to_edge): Use struct_equiv_block_eq
691         instead of flow_find_cross_jump.
692         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
693         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
694         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
695         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
696         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
697         (insns_match_p): Update prototype.
698         (flow_find_cross_jump): Remove prototype.
699         (struct_equiv_block_eq, struct_equiv_init): Declare.
700         (rtx_equiv_p, condjump_equiv_p): Likewise.
701         * struct-equiv.c: Include reload.h.
702         (IMPOSSIBLE_MOVE_FACTOR): Define.
703         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
704         (struct_equiv_improve_checkpoint): Likewise.
705         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
706         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
707         (struct_equiv_merge, find_dying_input): Likewise.
708         (resolve_input_conflict, note_local_live): Likewise.
709         (death_notes_match_p): Change parameters and processing
710         to match rtx_equiv_p machinery.  Change caller.
711         (insns_match_p): Likewise.
712         (flow_find_cross_jump): Replace with:
713         (struct_equiv_block_eq).
714
715         Back out this change:
716         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
717           * recog.c (verify_changes): Make it static.
718           * recog.h: Remove the corresponding prototype.
719
720 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
721
722         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
723         values.
724
725 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
726
727         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
728         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
729         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
730         TARGET_MS1_64_001 appropriately.
731         (ms1_machine_reorg): Use TARGET_MS2.
732
733 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
734
735         PR debug/25023
736         PR target/25293
737         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
738         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
739         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
740         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
741         Set mode to SI, adjust constraints.
742         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
743         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
744         32-bit code.
745
746 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
747
748         * c-cppbuiltin.c (builtin_define_float_constants): Add
749         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
750         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
751         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
752         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
753         to "((double)%sL)" otherwise "%s".
754
755 2005-12-13  Paul Brook  <paul@codesourcery.com>
756
757         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
758         apcs/atpcs.
759
760 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
761
762         * tree-flow.h: Allow compilation with a C++ compiler.
763         (struct edge_prediction): Prefix all field names  with "ep_".
764         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
765         (tree_predict_edge, combine_predictions_for_bb): Likewise.
766         (remove_predictions_associated_with_edge): Likewise.
767         
768 2005-12-12  Jeff Law  <law@redhat.com>
769
770         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
771         reassociation code.
772         * passes.c (init_optimization_passes): Run reassociation again
773         after loop optimizations.
774
775 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
776
777         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
778         if necessary.
779         (optimize_stmt): Ditto.
780         (canonicalize_comparison): New function.
781         * tree-ssa-operands.c (swap_tree_operands): Make external.
782         (get_expr_operands): Stop auto-canonicalization.
783         * tree-ssa-reassoc.c: Rewrite.
784         (init_optimization_passes): 
785         * tree-flow.h (swap_tree_operands): Prototype.
786         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
787
788 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
789
790         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
791         indicate function epilogue has been output.
792         (pa_asm_output_mi_thunk): Likewise.
793         (output_deferred_plabels): Put plabels in readonly data section when
794         not generating PIC code.
795         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
796         information.  Add assert.
797         (som_output_comdat_data_section_asm_op): New function.
798         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
799         instead of output_section_asm_op for COMDAT sections.
800
801 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
802
803         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
804         Fix whitespace in vincinity of to-be-installed changes.
805         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
806         (insns_match_p): Likewise.
807
808 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
809
810         * config.gcc (ms1): Replace with ...
811         (mt): ... this.
812         * config/ms1: Rename to ...
813         * config/mt: ... here.  Rename ms1 files to mt.
814         * config/mt/mt.c: Adjust gt-mt.h #include.
815         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
816         (crti.o, crtn.o): Adjust file names.
817
818 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
819
820         * varray.h: Allow compilation with a C++ compiler.
821         (union varray_data_tag): Prefix all field names with "vdt_".
822         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
823         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
824         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
825         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
826         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
827         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
828         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
829         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
830         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
831         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
832         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
833         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
834         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
835         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
836         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
837         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
838         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
839         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
840         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
841         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
842         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
843         VARRAY_TOP_TREE_PTR): Likewise.
844         * varray.c (varray_grow): Likewise.
845         (varray_clear): Likewise.
846
847 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
848
849         PR target/25299
850         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
851         alignment to doubleword if the first field is a double array.
852         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
853
854 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
855
856         * tree-ssa-structalias.c (process_constraint): Remove code to
857         transform addressofs into scalar.
858         (create_variable_info_for): In whole-program IPA, globals don't
859         point to ANYTHING by default.
860
861 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
862
863         * timevar.def (TV_IPA_PTA): New.
864         * tree-pass.h (pass_ipa_pta): New
865         * tree-ssa-structalias.c: Include cgraph.h
866         (in_ipa_mode): New.
867         (predbitmap_obstack): New.
868         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
869         (struct constraint_stats): Add num_edges.
870         (new_var_info): Don't call bitmap_clear.
871         (struct constraint_edge): Update docs.
872         (new_constraint_edge): Remove src param.
873         (struct constraint_graph): Add zero_weight_succs,
874         zero_weight_preds.  Update docs.
875         (constraint_expr_equal): Reformat.
876         (constraint_edge_equal): Update for removal of src.
877         (constraint_edge_less): Ditto.
878         (constraint_edge_vec_find): Ditto.
879         (erase_graph_self_edge): Update for removal of src and and zero
880         weight bitmap.
881         (clear_edges_for_node): Ditto.
882         (add_graph_edge): Ditto.
883         (get_graph_weights): Ditto.
884         (allocate_graph_weights): Ditto.
885         (merge_graph_nodes): Ditto.
886         (int_add_graph_edge): Ditto.
887         (valid_graph_edge): Ditto.
888         (valid_weighted_graph_edge): Ditto.
889         (build_constraint_graph): Ditto.
890         (scc_visit): Ditto.
891         (collapse_nodes): Ditto.
892         (process_unification_queue): Ditto.
893         (topo_visit): Ditto.
894         (solve_graph): Ditto.
895         (do_structure_copy): Ditto.
896         (perform_var_substitution): Ditto.
897         Init and release obstack.
898         (handle_ptr_arith): Try to resolve directly.
899         (find_func_aliases): Don't call update_alias_info here
900         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
901         (do_sd_constraint): Add code for propagating faster.
902         Update.
903         (do_ds_constraint): Ditto.
904         (count_num_arguments): New function.
905         (create_function_info_for): Ditto.
906         (create_variable_info_for): Handle FUNCTION_DECL.
907         (intra_create_variable_infos): Use make_constraint_to_anything.
908         (init_alias_vars): Init obstacks here.
909         (need_to_solve): Handle zero weight graph changes.
910         (compute_points_to_sets): Call update_alias_info here.
911         (delete_points_to_sets): Free zero weight preds/succs here.
912         (gate_ipa_pta): New.
913         (ipa_pta_execute): New
914
915 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
916
917         * tree-ssa-structalias.c (var_anyoffset): Removed.
918         (anyoffset_tree): Ditto.
919         (anyoffset_id): Ditto.
920         (do_deref): Take vector of constraints, no return value.
921         Update to work on vector.                
922         (get_constraint_for): Ditto.
923         (get_constraint_for_component_ref): Ditto.
924         (do_structure_copy): Ditto.
925         (handle_ptr_arith): Ditto.
926         (find_func_aliases): Ditto.
927         (set_uids_in_ptset): Remove anyoffset handling.
928         (init_base_vars): Ditto.
929
930 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
931
932         PR c++/25010
933         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
934         DECL_EXTERNAL functions have no bodies.  Tidy.
935
936 2005-12-10  Andreas Schwab  <schwab@suse.de>
937
938         * except.c (switch_to_exception_section): Only define if
939         TARGET_UNWIND_INFO is not defined.
940
941 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
942
943         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
944         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
945
946 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
947
948         * output.h (init_section, fini_section): Delete.
949         * varasm.c (init_section, fini_section): Delete.
950         (init_varasm_once): Don't initialize them.
951         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
952         there are no corresponding varasm.c variables.
953
954 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
955
956         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
957         of EH_FRAME_SECTION_NAME into...
958         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
959         if it is still null.
960         * except.c (default_exception_section): Delete, moving most
961         of the code to...
962         (switch_to_exception_section): ...this new function.  Set
963         exception_section if it is still null, then switch to it.
964         (output_function_exception_table): Use switch_to_exception_section.
965         * varasm.c (exception_section, eh_frame_section): Update comments.
966         (get_section): Hoist use of SECTION_NAMED.
967         (init_varasm_once): Don't set exception_section and eh_frame_section.
968         * output.h (default_exception_section): Delete.
969         (default_eh_frame_section): Delete.
970
971 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
972
973         * config/bfin/bfin.c: Include "cgraph.h".
974         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
975         Return the reg that holds the pointer to the GOT.
976         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
977         doing stack checking.
978
979 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
980
981         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
982         recompute_tree_invarant_for_addr_expr.
983         Update uses everywhere.
984
985 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
986
987         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
988         (MULTILIB_DIRNAMES): Define.
989
990 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
991
992         PR target/25311
993         * config/s390/s390.c (struct s390_address): New field literal_pool.
994         (s390_decompose_address): Compute literal_pool field.  Do not 
995         assume register %r13 is always (and solely) used as pool base.
996         (s390_extra_constraint_str): Use literal_pool field.
997
998 2005-12-09  Thiemo Seufer  <ths@networkno.de>
999
1000         * config/mips/mips.c (override_options): Don't allow too small
1001         integers in FP registers.
1002
1003 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1004
1005         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1006         targetm.binds_local_p to check for local function calls.
1007
1008 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1009
1010         PR debug/24908
1011         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1012         call_used_regs can't be used to save reg in another reg.
1013
1014 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1015             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1016
1017         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1018         abort.
1019         * except.c (output_ttype): Likewise.
1020         * tree-object-size.c (collect_object_sizes_for): Likewise.
1021         (check_for_plus_in_loops_1): Likewise.
1022         (check_for_plus_in_loops): Likewise.
1023         (compute_object_sizes): Use gcc_unreachable instead of abort.
1024
1025 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1026
1027         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1028         (loop_end, loop_init, doloop_end): New insns.
1029         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1030         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1031         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1032         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1033         * config/ms1/ms1.c: #include basic-block.h
1034         (struct machine_function): Add has_loops field.
1035         (ms1_add_loop): New.
1036         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1037         (struct loop_info, struct loop_work): New.
1038         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1039         (ms1_reorg_loops): New loop optimization.
1040         (ms1_machine_reorg): Call it.
1041         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1042
1043 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1044
1045         PR tree-optimization/25248
1046         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1047         evolution_of_loop from the failed attempt.  Remove handling
1048         of MULT_EXPR.
1049
1050 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1051
1052         * tree.h (DECL_EXTERNAL): Clarify documentation.
1053
1054 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1055             Jakub Jelinek  <jakub@redhat.com>
1056
1057         PR target/25268
1058         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1059         argument.  Don't drop outer ANDs.
1060         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1061         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1062         prototype.
1063         * config/s390/predicates.md (setmem_operand): Remove.
1064         (shift_count_operand): Rename to...
1065         (shift_count_or_setmem_operand): ... this.  Adjust
1066         s390_decompose_shift_count caller.
1067         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1068         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1069         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1070         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1071         rotl<mode>3_and, setmem_long_and): New insns.
1072         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1073         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1074         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1075         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1076         of shift_count_operand.
1077         (setmem_long): Use shift_count_or_setmem_operand instead of
1078         setmem_operand.
1079
1080 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1081             Andreas Tobler  <a.tobler@schweiz.ch>
1082
1083         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1084         tr expression.
1085
1086 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1087
1088         * expr.c (force_operand): Use convert_to_mode for conversions.
1089
1090 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1091
1092         * reload.h (reg_equiv_invariant): Declare.
1093         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1094         register also when reg_equiv_invariant[R] is set.
1095
1096 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1097             Andreas Tobler  <a.tobler@schweiz.ch>
1098
1099         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1100
1101 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1102
1103         * tree-ssa-pre.c (bitmap_set_and): New function.
1104         (bitmap_set_and_compl): New function.
1105         (bitmap_set_empty_p): New function.
1106         (insert_extra_phis): New function.
1107         (compute_avail): Use insert_extra_phis.
1108
1109 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1110
1111         * config/s390/s390.c (s390_expand_atomic): New function.
1112         Adjust comment of helper functions.
1113         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1114         * config/s390/s390.md ("ATOMIC"): New code macro.
1115         ("atomic"): Corresponding new code attribute.
1116         ("sync_lock_test_and_set[hq]i", 
1117         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1118
1119 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1120
1121         * config/s390/s390.c (s390_expand_mask_and_shift, 
1122         struct alignment_context, init_alignment_context, 
1123         s390_expand_cs_hqi): New.
1124         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1125         * config/s390/s390.md ("sync_compare_and_swaphi",
1126         "sync_compare_and_swapqi"): New pattern.
1127
1128 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1129
1130         Fix PR tree-optimization/25291
1131         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1132         redundant and crashing check.
1133
1134 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1135
1136         PR target/25212
1137         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1138         tests further when !strict && reload_in_progress.
1139         (print_operand): Check that both operands of indexed address are regs.
1140         (print_operand_address): Likewise.
1141         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1142         (INT_REG_OK_FOR_BASE_P): Correct.
1143
1144 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1145
1146         Preparation for PR rtl-optimization/20070 / part1
1147         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1148         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1149         outgoing_edges_match.
1150         (outgoing_edges_match): Use condjump_equiv_p.
1151         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1152         into..
1153         * struct-equiv.c: New file.
1154         (death_notes_match_p) New function, broken out of insns_match_p.
1155         * Makefile.in (OBJS-common): Add struct-equiv.o.
1156         (struct-equiv.o): New target.
1157
1158 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1159
1160         * coretypes.h: Revert previous change.
1161         * config/darwin.h: Revert previous reversion.
1162         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1163
1164 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1165
1166         * coretypes.h (section): Provide dummy definition for target files.
1167         * config/darwin.h: Revert previous change.
1168
1169 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1170
1171         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1172         * configure.ac: Remove all.build and install-normal from target_list
1173         * configure: Regenerate.
1174         * Makefile.in (install): Don't depend on install-normal.
1175
1176 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1177
1178         * Makefile.in: Document the use of stamps.
1179
1180 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1181
1182         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1183         * Makefile.in: Add code to compute some dependencies on s-gtype
1184         automatically.  Remove the declaration of those dependencies.
1185
1186 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1187
1188         * gcc/reload.c (push_secondary_reload): Fix typo:
1189         s/insn_constraint/scratch_constraint/.
1190
1191 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1192
1193         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1194
1195 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1196
1197         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1198         (alpha_elf_select_rtx_section): Return the selected section rather
1199         than emitting assembly code.
1200         (alpha_write_linkage): Emit a ".link" directive directly and then
1201         set in_section to NULL.
1202         (vms_asm_out_constructor): Use switch_to_section.
1203         (vms_asm_out_destructor): Likewise.
1204         (unicosmk_output_common): Set in_section to NULL instead of calling
1205         the dummy common_section function.
1206         (unicosmk_text_section): Delete in favor of...
1207         (unicosmk_output_text_section_asm_op): ...this new function.
1208         (unicosmk_data_section): Delete in favor of...
1209         (unicosmk_output_data_section_asm_op): ...this new function.
1210         (unicosmk_init_sections): New function.
1211         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1212         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1213         the dummy ssib_section function.
1214         (unicosmk_section_buf): Delete.
1215         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1216         (unicosmk_data_section): Delete.
1217         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1218         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1219         (SECTION_FUNCTION_TEMPLATE): Delete.
1220         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1221         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1222         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1223         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1224         (TARGET_ASM_INIT_SECTIONS): Define.
1225         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1226         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1227         (link_section, literals_section): Delete.
1228         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1229         set in_section to NULL.
1230
1231         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1232         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1233         (COMMON_SECTION): Delete.
1234         (TARGET_ASM_INIT_SECTIONS): Define.
1235         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1236         the dummy common_section function.
1237         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1238         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1239         between readonly_data_section and text_section to check whether
1240         read-only data is being put in the text section.
1241         (arm_output_function_epilogue): Use switch_to_section.
1242         (arm_elf_asm_constructor): Likewise.
1243         (thumb_call_via_reg): Replace call to in_text_section with
1244         a comparison between in_section and text_section.
1245         (arm_file_end): Use switch_to_section.
1246         (aof_text_section): Delete in favor of...
1247         (aof_output_text_section_asm_op): ...this new function.
1248         (aof_data_section): Delete in favor of...
1249         (aof_output_data_section_asm_op): ...this new function.
1250         (aof_asm_init_sections): New function.
1251         (zero_init_section): Moved from config/arm/aof.h.
1252         (aof_dump_imports, aof_file_start): Use switch_to_section.
1253         * config/arm/arm.h (thumb_call_via_label): Update comment.
1254         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1255         (common_section): Delete.
1256         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1257         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1258         global switch_to_section function instead of the old port-local one.
1259         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1260         (SWITCH_TO_SECTION_FUNCTION): Delete.
1261         (drectve_section): Redefine as a macro.
1262         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1263         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1264         switch_to_section.
1265
1266         * config/avr/avr.c (progmem_section): New variable.
1267         (avr_output_progmem_section_asm_op): New function.
1268         (avr_asm_init_sections): New function.
1269         (avr_output_addr_vec_elt): Use switch_to_section.
1270         * config/avr/avr.h (progmem_section): Declare.
1271         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1272         (READONLY_DATA_SECTION): Delete.
1273         (TARGET_ASM_INIT_SECTIONS): Define.
1274         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1275         * config/avr/avr-protos.h (progmem_section): Delete.
1276
1277         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1278
1279         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1280         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1281
1282         * config/darwin-sections.def: New file.
1283         * config/darwin.c: Define all sections in darwin-sections.def.
1284         (output_objc_section_asm_op, darwin_init_sections): New functions.
1285         (machopic_output_indirection): Use switch_to_section.
1286         (machopic_select_section): Return the selected section rather than
1287         emitting assembly code.  Replace the static function table with
1288         inline conditional expressions.  Update the tests of last_text_section
1289         and move them into the FUNCTION_DECL block.
1290         (machopic_select_rtx_section): Return the selected section rather than
1291         emitting assembly code.
1292         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1293         (darwin_file_end): Use switch_to_section.
1294         * config/darwin.h: Use darwin-sections.def to declare sections.
1295         (INIT_SECTION_ASM_OP): Remove empty definition.
1296         (HAS_INIT_SECTION): Define this instead.
1297         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1298         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1299         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1300         (TARGET_ASM_INIT_SECTIONS): Define.
1301         * config/darwin-protos.h (darwin_init_sections): Declare.
1302         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1303         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1304         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1305         (constructor_section, destructor_section, mod_init_section): Delete.
1306         (mod_term_section): Delete.
1307         (darwin_exception_section, darwin_eh_frame_section): Delete.
1308         (machopic_select_section): Return a section.
1309         (machopic_select_rtx_section): Likewise.
1310         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1311         (const_section, const_coal_section, const_data_section): Delete.
1312         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1313         (literal4_section, literal8_section, constructor_section): Delete.
1314         (mod_init_section, mod_term_section, destructor_section): Delete.
1315         (objc_class_section, objc_meta_class_section, objc_category_section)
1316         (objc_class_vars_section, objc_instance_vars_section): Delete.
1317         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1318         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1319         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1320         (objc_symbols_section, objc_module_info_section): Delete.
1321         (objc_image_info_section, objc_protocol_section): Delete.
1322         (objc_string_object_section, objc_constant_string_object_section)
1323         (objc_class_names_section, objc_meth_var_names_section): Delete.
1324         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1325         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1326         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1327         (darwin_exception_section, darwin_eh_frame_section): Delete.
1328         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1329
1330         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1331         (frv_asm_out_destructor): Likewise.
1332         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1333         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1334         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1335         get_named_section.
1336         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1337         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1338         (data_section): Delete.
1339
1340         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1341         (DRECTVE_SECTION_FUNCTION): Delete.
1342         (drectve_section): Redefine as a macro that sets in_section after
1343         emitting the directive.
1344         (SWITCH_TO_SECTION_FUNCTION): Delete.
1345         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1346         in_text_section with comparison between in_section and text_section.
1347         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1348         rather than emitting assembly code.  Use get_named_section.
1349         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1350         get_named_section.
1351         (machopic_output_stub): Use switch_to_section.
1352         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1353         (nwld_named_section_asm_out_destructor): Use get_section and
1354         switch_to_section.
1355
1356         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1357         rather than emitting assembly code.
1358         (ia64_rwreloc_select_section): Likewise.
1359         (ia64_rwreloc_select_rtx_section): Likewise.
1360         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1361         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1362         switch_to_section.
1363         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1364         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1365
1366         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1367         section rather than emitting assembly code.
1368         (iq2000_select_section): Likewise.
1369         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1370         (sbss_section): Delete.
1371
1372         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1373         and get_named_section.
1374         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1375
1376         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1377         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1378         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1379         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1380         in_section to NULL.
1381         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1382         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1383         global switch_to_section function instead of the old port-local one.
1384         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1385         (SWITCH_SECTION_FUNCTION): Delete.
1386         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1387         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1388         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1389         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1390         in_section to NULL.
1391         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1392         global switch_to_section function instead of the old port-local one.
1393         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1394
1395         * config/mips/mips.c (mips_file_start): Update comment.
1396         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1397         (mips_output_aligned_decl_common): Use switch_to_section.
1398         (mips_select_rtx_section): Return the section rather than emitting
1399         assembly code.  Use get_named_section.
1400         (mips_function_rodata_section: Likewise get_section.
1401         (build_mips16_function_stub): Use switch_to_section.
1402         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1403         (SDATA_SECTION_ASM_OP): Delete.
1404         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1405         (EXTRA_SECTION_FUNCTIONS): Delete.
1406
1407         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1408         (mmix_asm_output_aligned_local): Use switch_to_section.
1409
1410         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1411         (som_one_only_readonly_data_section): New variables.
1412         (pa_output_function_epilogue): Set in_section to NULL instead of
1413         calling forget_section.
1414         (output_deferred_plabels): Use select_section.
1415         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1416         of calling forget_section.
1417         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1418         (pa_asm_output_aligned_local): Use select_section.
1419         (som_text_section_asm_op): Delete in favor of...
1420         (som_output_text_section_asm_op): ...this new function.
1421         (pa_som_asm_init_sections): New function.
1422         (pa_select_section): Return the section rather than emitting
1423         assembly code.
1424         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1425         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1426         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1427         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1428         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1429         (som_readonly_data_section, som_one_only_readonly_data_section)
1430         (som_one_only_data_section, forget_section): Delete.
1431         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1432         (TARGET_ASM_INIT_SECTIONS): Define.
1433         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1434
1435         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1436         (private_data_section, read_only_private_data_section): New variables.
1437         (sdata2_section, toc_section): New variables.
1438         (rs6000_file_start): Use switch_to_section.
1439         (rs6000_assemble_integer): Use comparisons against in_section
1440         instead of calling in_toc_section and in_text_section.  Use
1441         unlikely_text_section_p.
1442         (rs6000_elf_output_toc_section_asm_op): New function, derived
1443         from the old rs6000/sysv4.h toc_section function.
1444         (rs6000_elf_asm_init_sections): New function.
1445         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1446         the section rather than emitting assembly code.
1447         (machopic_output_stub): Use switch_to_section.
1448         (toc_section): Delete dummy function.
1449         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1450         switch_to_section and get_section.
1451         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1452         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1453         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1454         the old rs6000/xcoff.h toc_section function.
1455         (rs6000_xcoff_asm_init_sections): New function.
1456         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1457         the section rather than emitting assembly code.
1458         (rs6000_xcoff_file_start): Use switch_to_section.
1459         (rs6000_xcoff_file_end): Likewise.
1460         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1461         (sdata2_section, sbss_section, private_data_section): Delete.
1462         (read_only_data_section, read_only_private_data_section): Delete.
1463         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1464         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1465         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1466         (FINI_SECTION_FUNCTION): Delete.
1467         (TARGET_ASM_INIT_SECTIONS): Define.
1468         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1469         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1470         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1471         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1472         (READONLY_DATA_SECTION): Delete.
1473         (TARGET_ASM_INIT_SECTIONS): Define.
1474         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1475         to NULL rather than no_section.
1476         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1477
1478         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1479
1480         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1481         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1482         from call to current_function_section.
1483
1484         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1485         (bss100_section): New variable.
1486         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1487         (xstormy16_asm_init_sections): New function.
1488         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1489         switch_to_section and get_section.
1490         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1491         from calls to current_function_section.
1492         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1493         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1494         (TARGET_ASM_INIT_SECTIONS): Define.
1495         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1496
1497         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1498         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1499         (FINI_SECTION_FUNCTION): Delete.
1500
1501         * config/v850/v850.c: Include gt-v850.h.
1502         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1503         (zbss_section): New variables.
1504         (v850_output_aligned_bss): Use switch_to_section.
1505         (v850_asm_init_sections): New function.
1506         (v850_select_section): Return the section rather than emitting
1507         assembly code.
1508         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1509         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1510         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1511         (TARGET_ASM_INIT_SECTIONS): Define.
1512         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1513         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1514         (zbss_section): Delete.
1515
1516         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1517
1518         * config/vx-common.h (vxworks_exception_section): Delete.
1519         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1520
1521         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1522         section rather than emitting assembly code.
1523         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1524         switch_to_section.
1525
1526         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1527         * coretypes.h (section): New union and typedef.
1528         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1529         from call to current_function_section.
1530         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1531         (dbxout_symbol_location): Use switch_to_section.
1532         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1533         most of the code into...
1534         (default_eh_frame_section): ...here.  Return a section.
1535         (collect2_eh_frame_section): Delete, moving most of the code into..
1536         (switch_to_eh_frame_section): ...this new function.
1537         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1538         (debug_macinfo_section, debug_line_section, debug_loc_section)
1539         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1540         variables.
1541         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1542         eh_frame_section.  Use switch_to_section and get_section.
1543         (dwarf2out_begin_prologue): Use switch_to_section.
1544         (AT_string_form): Check the flags in debug_str_section instead of
1545         DEBUG_STR_SECTION_FLAGS.
1546         (output_comp_unit): Use switch_to_section, get_section, and
1547         debug_info_section.
1548         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1549         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1550         from call to current_function_section.
1551         (dwarf2out_var_location): Use unlikely_text_section_p.
1552         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1553         from call to current_function_section.
1554         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1555         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1556         debug_macinfo_section.
1557         (dwarf2out_init): Initialize the new section variables.  Use them
1558         instead of calls to named_section_flags.  Use switch_to_section.
1559         (output_indirect_string): Use switch_to_section and debug_str_section.
1560         (dwarf2out_finish): Use switch_to_section and the new section
1561         variables.
1562         * except.c (default_exception_section): Return the section instead
1563         of emitting assembly code.
1564         (output_function_exception_table): Use the global exception_section
1565         variable instead of the target hook.  Use switch_to_section.  Remove
1566         argument from call to current_function_section.
1567         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1568         (shorten_branches): Use pointer comparisons to detect whether the
1569         text section is the same as readonly_data_section.
1570         (profile_function): Use switch_to_section.  Remove argument from
1571         call to current_function_section.
1572         (final_scan_insn): Likewise.  Update use of last_text_section.
1573         * gengtype.c (open_base_files): Add an include of output.h.
1574         * output.h (text_section, data_section, readonly_data_section)
1575         (ctors_section, dtors_section, bss_section, init_section)
1576         (fini_section, sdata_section): Turn into section pointers.
1577         (in_text_section, in_unlikely_text_section, exports_section)
1578         (drectve_section, named_section, mergeable_string_section)
1579         (last_text_section_name): Delete.
1580         (default_exception_section, default_eh_frame_section): Return sections.
1581         (SECTION_DECLARED, SECTION_NAMED): New macros.
1582         (SECTION_MACH_DEP): Bump value.
1583         (section_common, named_section, unnamed_section): New structures.
1584         (unnamed_section_callback): New typedef.
1585         (section): New union.
1586         (sbss_section, exception_section, eh_frame_section): New variables.
1587         (in_section, last_text_section): Turn into section pointers.
1588         (get_unnamed_section, get_section, get_named_section): New functions.
1589         (mergeable_constant_section, function_section): Return a section.
1590         (unlikely_text_section): Likewise.
1591         (current_function_section): Likewise.  Remove the decl argument.
1592         (unlikely_text_section_p, switch_to_section): New functions.
1593         (output_section_asm_op): New function.
1594         (set_named_section_flags, named_section_flags, named_section_real)
1595         (named_section_first_declaration): Delete.
1596         (default_select_section, default_elf_select_section): Return a section.
1597         (default_elf_select_section_1, default_function_rodata_section)
1598         (default_no_function_rodata_section, default_select_rtx_section)
1599         (default_elf_select_rtx_section): Likewise.
1600         * rtl.h (in_data_section): Delete.
1601         * sdbout.c (sdbout_one_type): Use switch_to_section.
1602         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1603         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1604         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1605         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1606         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1607         (TARGET_ASM_OUT): Update after above changes.
1608         * target.h (init_sections): New hook.
1609         (exception_section, eh_frame_section): Delete.
1610         (select_section, select_rtx_section, function_rodata_section): Return
1611         a section rather than emitting assembly code.
1612         * varasm.c (text_section, data_section, readonly_data_section)
1613         (ctors_section, dtors_section, bss_section, init_section)
1614         (fini_section): Turn into section pointers.
1615         (sdata_section, sbss_section, exception_section): New variables.
1616         (eh_frame_section): New variable.
1617         (in_section): Make global and turn into a section pointer.
1618         (last_text_section): Turn into a section pointer.
1619         (unnamed_sections): New variable.
1620         (in_named_name, last_text_section_name): Delete.
1621         (EXTRA_SECTION_FUNCTIONS): Delete.
1622         (in_named_entry): Delete.
1623         (section_htab): New variable, replacing...
1624         (in_named_htab): ...this deleted variable.
1625         (section_entry_eq, section_entry_hash): New functions, based on...
1626         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1627         (get_unnamed_section, get_section): New functions.
1628         (unlikely_text_section): Return a section instead of emitting
1629         assembly code.
1630         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1631         (get_named_section_flags, named_section_first_declaration): Delete.
1632         (unlikely_text_section_p): New function.
1633         (named_section_real, named_section): Delete.
1634         (get_named_section): New function.
1635         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1636         (function_section): Return a section rather than emitting
1637         assembly code.
1638         (current_function_section): Likewise.  Remove argument.  Use
1639         last_text_section if nonnull, otherwise use function_section.
1640         (default_function_rodata_section): Return a section rather than
1641         emitting assembly code.  Use get_section.
1642         (default_no_function_rodata_section): Return a section rather than
1643         emitting assembly code.
1644         (variable_section): Use switch_to_section and get_named_section.
1645         (mergeable_string_section): Return a section rather than emitting
1646         assembly code.  Use get_section.  Make static.  Don't take special
1647         countermeasures for empty strings.
1648         (mergeable_constant_section): Return a section rather than emitting
1649         assembly code.  Use get_section.
1650         (default_named_section_asm_out_destructor): Use switch_to_section
1651         and get_section.
1652         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1653         (default_named_section_asm_out_constructor): Use switch_to_section
1654         and get_section.
1655         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1656         (assemble_start_function): Likewise.  Set last_text_section to
1657         NULL rather than no_section.  Change the type of save_section.
1658         (assemble_zeros, assemble_variable): Use the section flags to detect
1659         whether or not a section is text.
1660         (assemble_static_space): Use switch_to_section.
1661         (assemble_trampoline_template): Likewise.
1662         (output_constant_def_contents): Use switch_to_section and
1663         get_named_section.
1664         (output_constant_pool_1): Use switch_to_section.  Use the section
1665         flags to see whether sections contain mergeable data.
1666         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1667         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1668         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1669         whether a section has already been declared.
1670         (default_select_section, default_elf_select_section): Return a
1671         section rather than emitting assembly code.
1672         (default_elf_select_section_1): Likewise.  Use bss_section for
1673         SECCAT_BSS if nonnull.  Use get_named_section.
1674         (default_select_rtx_section): Return a section rather than
1675         emitting assembly code.
1676         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1677         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1678         (output_section_asm_op, switch_to_section): New functions.
1679         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1680         get_named_section.
1681
1682         * doc/tm.texi: Expand the introduction to the sections documentation.
1683         (TRAMPOLINE_SECTION): Document new interface.
1684         (SDATA_SECTION_ASM_OP): Document new macro.
1685         (READONLY_DATA_SECTION): Delete.
1686         (SDATA_SECTION_ASM_OP): Document new macro.
1687         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1688         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1689         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1690         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1691         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1692
1693 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1694
1695         * gcc.c (init_gcc_specs): Match braces inside conditionally
1696         compiled strings.
1697
1698 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1699
1700         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1701
1702 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1703
1704         PR C++/24138
1705         * tree.c (integer_all_onesp): Always return true if all bits on.
1706
1707         * testsuite/g++.dg/init/array0.C: New.
1708
1709 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1710
1711         * doc/md.texi: Adapt to implementation.
1712
1713 2005-12-06  Andreas Schwab  <schwab@suse.de>
1714
1715         * opts.c (decode_options): Fix typo in message.
1716
1717 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1718
1719         PR other/13873
1720         * longlong.h: Merge PPC tests from upstream.
1721
1722 2005-12-06  Richard Guenther  <rguenther@suse.de>
1723
1724         * fold-const.c (fold_convert): Do not build and fold
1725         CONVERT_EXPR, but always use NOP_EXPR.
1726
1727 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1728
1729         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1730         __builtin_ia32_paddq and __builtin_ia32_subq.
1731         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1732         __builtin_ia32_pshufw.
1733         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1734
1735 2005-12-05  James E Wilson  <wilson@specifix.com>
1736
1737         PR target/24934
1738         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1739         is set.
1740
1741 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1742         
1743         * print-tree.c (print_node): Ditto.
1744         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1745         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1746         before accessing DECL_ARTIFICIAL. 
1747         Handle new tag tree codes.
1748         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1749         changes.
1750         (unmodifiable_var_p): Ditto.
1751         * tree-flow.h (mem_tag_kind): Remove.
1752         (struct var_ann_d): Remove mem_tag_kind member.
1753         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1754         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1755         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1756         (group_aliases): Ditto.
1757         (setup_pointers_and_addressables): Ditto.
1758         (is_escape_site): Ditto.                                          
1759         (may_alias_p): Ditto.
1760         (create_tag_raw): New function.
1761         (create_memory_tag): Use it.
1762         (dump_alias_info): Update for tags.
1763         (may_be_aliased): Ditto.
1764         (add_type_alias): Ditto.
1765         (new_type_alias): Ditto.
1766         (create_sft): Ditto.
1767         (create_structure_vars): Ditto.
1768         * tree-ssa-ccp.c (get_default_value): Ditto.
1769         * tree-ssa-operands.c (get_expr_operands): Ditto.
1770         (add_stmt_operand): Ditto.
1771         (add_call_clobber_ops): Remove duplicated condition.
1772         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1773         tags.
1774         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1775         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1776         * tree.c (init_ttree): Update structures for new tree codes.
1777         (tree_code_size): Update sizes for new tree codes.
1778         (make_node_stat): Don't try to set common things on minimal
1779         structures.
1780         (tree_node_structure): Update for tags.
1781         (is_global_var): Ditto.
1782         * tree.def: Add new tree codes.
1783         * tree.h (MTAG_P): New macro.
1784         (TREE_MEMORY_TAG_CHECK): Ditto.
1785         (SSA_VAR_P): Update for tags.
1786         (struct tree_memory_tag): New structure.
1787         (MTAG_GLOBAL): New macro.
1788         (union tree_node): Add memory tag member.
1789         * treestruct.def (TS_MEMORY_TAG): New.
1790         
1791 2005-12-05  Dale Johannesen  <dalej@apple.com>
1792
1793         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1794         what was approved (PR 24323).
1795
1796 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1797
1798         * doc/c-tree.texi (Function Bodies): Remove description of
1799         RETURN_INIT.
1800
1801 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1802
1803         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1804         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1805         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1806         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1807         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1808         __divxc3): Document.
1809
1810 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1811
1812         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1813         previous behaviour.
1814         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1815         hook_bool_void_false.
1816         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1817         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1818
1819         * config/darwin.c (machopic_select_section): It's not defined
1820         as weak if it's only marked as weak_import.
1821         
1822         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1823         Prototype.
1824
1825         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1826         A hidden weak object does bind locally.  Strong linkonce data
1827         counts like any other strong symbol for binding.
1828         (weak_finish_1): Don't specially handle weakrefs, they no longer
1829         arrive here.
1830         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1831         * c-common.c (handle_alias_attribute): Allow static aliases
1832         of variables.
1833         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1834         * gthr-dce.h: Make weakrefs static.
1835         * gthr-tpf.h: Likewise.
1836         * gthr-solaris.h: Likewise.
1837         * gthr-posix.h: Likewise.
1838         * gthr-posix95.h: Likewise.
1839         * config/darwin.c (darwin_encode_section_info): static weakref
1840         variables are not necessarily defined in this translation unit.
1841         * doc/extend.texi (Function Attributes): Mention that an alias
1842         attribute creates a definition for the thing it's attached to.
1843         Change the documentation for weakref to say that the thing
1844         it's attached to must be static.
1845
1846         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1847         we don't go into an infinite loop.
1848
1849 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1850
1851         * config/rs6000/predicates.md (logical_const_operand): Split
1852         out of logical_operand.
1853         (logical_operand): Use it.
1854         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1855         logical_const_operand.
1856
1857 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1858
1859         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1860         and IX86_BUILTIN_CMPNESS.
1861         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1862         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1863         * config/i386/i386.md (movti_internal): Correct type attribute.
1864         Simplify mode attribute.
1865         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1866         Correct type attribute.
1867         (absxf2): Correct operator.
1868         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1869         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1870         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1871         mode attribute.
1872         (sse2_vmsqrtv2df2): Correct mode attribute.
1873
1874 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1875
1876         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1877         16 bits. Provide insn pattern for this case.
1878
1879 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1880
1881         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1882         result.
1883         (__popcountDI2): Likewise.
1884
1885 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1886
1887         PR target/25166
1888         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1889         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1890         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1891         functions.
1892
1893 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1894
1895         * c-typeck.c (null_pointer_constant_p): New function.
1896         (build_conditional_expr, build_c_cast, convert_for_assignment,
1897         build_binary_op): Use it.
1898
1899 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1900
1901         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1902         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1903         CONVERT_EXPR.
1904         (check_function_arguments_recurse): Allow both NOP_EXPR and
1905         CONVERT_EXPR but check conversions preserve precision.
1906         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1907         but check conversions preserve precision.
1908         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1909         default case.
1910
1911 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1912
1913         PR c/7776
1914         * common.opt (Wstring-literal-comparison): New command line option.
1915         * c-opts.c (c_common_handle_option): Set it with -Wall.
1916         * c-typeck.c (parser_build_binary_op): Issue warning if either
1917         operand of a comparison operator is a string literal, except for
1918         testing equality or inequality against NULL.
1919
1920         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1921
1922 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1923
1924         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1925         of building a NOP_EXPR.
1926         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1927         NOP_EXPR.
1928         * c-convert.c (convert): Use fold_convert instead of building
1929         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1930         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1931         #if 0 code.
1932         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1933         NOP_EXPR the same as CONVERT_EXPR.
1934         * c-typeck.c (build_function_call): Use fold_convert instead of
1935         building a NOP_EXPR directly.
1936         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1937
1938 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1939
1940         PR rtl-optimization/25197
1941         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
1942         have a reg.
1943
1944 2005-12-02  Stuart Hastings  <stuart@apple.com>
1945
1946         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1947         warning.
1948
1949 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1950
1951         * c-typeck.c (default_function_array_conversion,
1952         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1953         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1954         orig_op2.  Don't check them for NOP_EXPR.
1955         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1956         around integer zero.
1957
1958 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1959
1960         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1961         toc_save_offset, toc_size, lr_size.
1962         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1963         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1964         Adjust for removal of unused rs6000_stack_t fields.
1965         (debug_stack_info): Adjust.
1966         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1967         first, and don't bother checking for set/inc of lr on sibcalls.
1968         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1969
1970 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1971
1972         PR target/25199
1973         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1974         5 if operand 1 is not aligned.  Undo previous constraint change.
1975         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1976
1977 2005-12-02  Richard Guenther  <rguenther@suse.de>
1978
1979         * tree.h (build): Remove prototype.
1980         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1981         * tree.c (build): Remove.
1982         (build0_stat): Update comment.
1983
1984 2005-12-02  Richard Guenther  <rguenther@suse.de>
1985
1986         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1987         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1988         Likewise.
1989         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1990         maybe_fold_offset_to_component_ref): Likewise.
1991         * tree-ssa-dom.c (thread_across_edge,
1992         simplify_rhs_and_lookup_avail_expr,
1993         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1994         Likewise.
1995         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1996         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1997         lower_try_finally_switch): Likewise.
1998         * tree-if-conv.c (add_to_dst_predicate_list,
1999         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2000         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2001         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2002         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2003         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2004         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2005         gimplify_init_ctor_eval, gimplify_init_constructor,
2006         gimplify_variable_sized_compare, gimplify_boolean_expr,
2007         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2008         gimplify_expr, gimplify_body, gimplify_function_tree,
2009         force_gimple_operand): Likewise.
2010         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2011         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2012         mx_register_decls): Likewise.
2013         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2014         get_frame_field, finalize_nesting_tree_1): Likewise.
2015         * tree-inline.c (setup_one_parameter): Likewise.
2016         * tree-vect-transform.c (vectorizable_condition): Likewise.
2017         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2018         Likewise.
2019         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2020         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2021         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2022         * tree-chrec.h (build_polynomial_chrec): Likewise.
2023
2024 2005-12-02  Richard Guenther  <rguenther@suse.de>
2025
2026         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2027         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2028         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2029         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2030         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2031         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2032         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2033         Likewise.
2034         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2035         sh_adjust_unroll_max): Likewise.
2036         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2037         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2038         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2039         Likewise.
2040         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2041         Likewise.
2042         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2043         Likewise.
2044
2045 2005-12-02  Richard Guenther  <rguenther@suse.de>
2046
2047         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2048         simplify_cond_using_ranges): Use buildN instead of build.
2049         * tree-tailcall.c (adjust_accumulator_values,
2050         adjust_return_value): Likewise.
2051         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2052         generate_element_copy, generate_element_zero,
2053         generate_one_element_init): Likewise.
2054         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2055         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2056         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2057         perfect_nestify): Likewise.
2058
2059 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2060
2061         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2062
2063 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2064
2065         * ggc.h (GGC_RESIZEVEC): New.
2066
2067 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2068
2069         * gcc.c (execute): Improve readability.
2070
2071 2005-12-02  Richard Guenther  <rguenther@suse.de>
2072
2073         * tree-cfg.c (mark_used_vars): New function.
2074         (dump_function_to_file): Dump only used VAR_DECLs.
2075
2076 2005-12-02  Richard Guenther  <rguenther@suse.de>
2077
2078         * convert.c (convert_to_integer): Fix compare for nonpositive
2079         constant to use tree_int_cst_sgn <= 0.
2080
2081 2005-12-02  Richard Guenther  <rguenther@suse.de>
2082
2083         * convert.c (convert_to_integer): Use fold_convert instead
2084         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2085         instead of comparing against 0.  Use build_int_cst instead
2086         of converting integer_zero_node.
2087
2088 2005-12-02  Richard Guenther  <rguenther@suse.de>
2089
2090         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2091         and RROTATE_EXPR.
2092  
2093 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2094
2095         PR target/21017
2096         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2097         rotates.
2098
2099 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2100
2101         PR middle-end/25176
2102         * function.c (expand_function_end): Emit blockage for unwinder
2103         after return label.
2104
2105 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2106
2107         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2108         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2109         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2110         integer constant comparisons.
2111
2112 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2113             Janis Johnson  <janis187@us.ibm.com>
2114             David Edelsohn  <dje@watson.ibm.com>
2115             Ben Elliston  <bje@au.ibm.com>
2116
2117         * dfp.h, dfp.c: New files.
2118         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2119         (DECNUM_H): Likewise.
2120         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2121         (INCLUDES): Append $(DECNUMINC).
2122         (OBJS-common): Add dfp.o.
2123         (dfp.o): New rule.
2124         * real.h (EXP_BITS): Pinch one bit to ..
2125         (struct real_value): Add decimal field.
2126         (real_format): Change table size, update documentation.
2127         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2128         (real_from_string3): Declare.
2129         (decimal_single_format): Declare.
2130         (decimal_double_format): Declare.
2131         (decimal_quad_format): Declare.
2132         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2133         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2134         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2135         * real.c: Include dfp.h.
2136         (normalize): Early return for decimal floats.
2137         (do_add): Zero decimal field.
2138         (do_compare): Call do_decimal_compare for decimal floats.
2139         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2140         (real_arithmetic): Call decimal_real_arithmetic for decimal
2141         floating point operands.
2142         (real_identical): If a and b are of differing radix, return false.
2143         (real_to_integer): Call decimal_real_to_integer if the value is a
2144         decimal float.
2145         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2146         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2147         (real_to_hexadecimal): Place "N/A" in the return string for
2148         decimal float.
2149         (real_from_string3): New variant, given a mode.
2150         (real_maxval): Use decimal_real_maxval for decimal floats.
2151         (round_for_format): Use decimal_round_for_format for decimals.
2152         (real_convert): Use decimal_real_convert where appropriate.
2153         (significand_size): Handle base 10.
2154         (encode_decimal_single, decode_decimal_single,
2155         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2156         decode_decimal_quad): New functions.
2157         (decimal_single_format): New.
2158         (decimal_double_format): New.
2159         (decimal_quad_format): New.
2160         * machmode.def: Add SD, DD and TD decimal floating point modes.
2161         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2162         Include MODE_DECIMAL_FLOAT.
2163         (DECIMAL_FLOAT_MODE_P): New.
2164         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2165         * genmodes.c (struct mode_data): Add counter field.
2166         (struct mode_data): Update comment for format.
2167         (blank_mode): Initialise counter field.
2168         (new_mode): Increment counter field for each mode defined.
2169         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2170         using a format.
2171         (make_complex_modes): Handle modes containing `D'.
2172         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2173         (make_decimal_float_mode): New.
2174         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2175         (cmp_modes): Compare counter field if other characteristics
2176         similar.
2177         (emit_real_format_for_mode): Support formats for decimal floats.
2178         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2179         Document MODE_DECIMAL_FLOAT.
2180
2181 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2182
2183         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2184         Delete dead code.
2185
2186 2005-12-01  Richard Henderson  <rth@redhat.com>
2187
2188         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2189
2190 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2191
2192         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2193
2194         * config/pa/pa.c (pa_init_builtins): If we detect
2195         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2196         putc_unlocked.
2197
2198 2005-12-01  Richard Guenther  <rguenther@suse.de>
2199
2200         * fold-const.c (fold_binary): Use fold_build2, not
2201         fold (build (...)).
2202
2203 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2204
2205         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2206
2207         * vec.h (VEC_block_remove): New.
2208
2209 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2210
2211         PR c/13384
2212         * c-common.c (lvalue_error): Fix wording.
2213
2214 2005-12-01  Richard Guenther  <rguenther@suse.de>
2215
2216         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2217         thinko in last patch.
2218
2219 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2220
2221         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2222         than -flat_namespace.
2223
2224 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2225
2226         * mklibgcc.in: Parameterise the script to build soft float
2227         functions by iterating over each type, rather than cloning the
2228         code for each type.
2229
2230 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2231
2232         PR middle-end/25158
2233         * builtins.c (fold_builtin_fputs): Defer check for missing
2234         replacement functions.
2235
2236 2005-11-30  Kean Johnston  <jkj@sco.com>
2237
2238         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2239         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2240
2241 2005-11-30  Richard Guenther  <rguenther@suse.de>
2242
2243         PR tree-optimization/22501
2244         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2245         function split out from ...
2246         (forward_propagate_addr_expr): ... here.  Use it to propagate
2247         ADDR_EXPRs to all uses.
2248
2249 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2250
2251         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2252         * builtins.c (expand_builtin_mathfn): Use them.
2253         (expand_builtin_mathfn_2): Likewise.
2254         (expand_builtin_mathfn_3): Likewise.
2255         (expand_builtin_int_roundingfn): Likewise.
2256         (expand_builtin): Likewise.
2257         (integer_valued_real_p): Likewise.
2258         (fold_builtin_int_roundingfn): Likewise.
2259         (fold_builtin_bitop): Likewise.
2260         (fold_builtin_logarithm): Likewise.
2261         (fold_builtin_1): Likewise.
2262         * convert.c (convert_to_integer): Likewise.
2263         * fold-const.c (negate_mathfn_p): Likewise.
2264         (tree_expr_nonnegative_p): Likewise.
2265
2266 2005-11-30  Dale Johannesen  <dalej@apple.com>
2267             Andrew Pinski  <pinskia@physics.uc.edu>
2268
2269         * combine.c (find_split_point):  Sign extend bitmask
2270         when changing bitfield assignment to IOR of AND.
2271
2272 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2273
2274         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2275         clobber to scratch reg.
2276         (*decrement_and_branch_until_zero_no_clobber): Remove.
2277         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2278         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2279         * config/ms1/ms1.opt (mmul): Remove.
2280         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2281         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2282
2283 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2284             Bernd Schmidt  <bernd.schmidt@analog.com>
2285
2286         * pa/predicates.md (symbolic_operand): Add comment.
2287         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2288         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2289         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2290         (pa_secondary_reload_class): Delete.
2291         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2292         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2293         copy of symbolic operand.
2294         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2295
2296 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2297
2298         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2299         jump.
2300
2301 2005-11-30  Jeff Law  <law@redhat.com>
2302
2303         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2304         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2305
2306 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2307
2308         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2309         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2310         (ia64_expand_move): Adjust caller.
2311
2312         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2313         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2314         negate VAL.
2315
2316 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2317
2318         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2319         Always produce an output if we can remove NEGs or canonicalize
2320         (minus (minus ...)) expressions.  Provide a fast path for the
2321         two-operand case.
2322         (simplify_gen_binary): Do not call simplify_plus_minus.
2323         (simplify_binary_operation_1): Reassociate at the end of the
2324         function.
2325
2326 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2327
2328         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2329         moves and unpack to speed up.
2330
2331 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2332
2333         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2334         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2335         (gen_v9_scc): Update callers.
2336         * config/sparc/sparc.md: Likewise.
2337         * config/sparc/sparc-protos.h: Update extern declaration.
2338
2339         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2340
2341 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2342
2343         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2344         the if.
2345
2346 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2347
2348         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2349         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2350         (negate_expr): Here.
2351
2352 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2353
2354         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2355         Fix typo in comment.
2356
2357 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2358
2359         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2360         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2361
2362 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2363
2364         PR middle-end/20109
2365         PR middle-end/25120
2366         * builtins.c (init_target_chars): New.
2367         (expand_builtin_printf, expand_builtin_fprintf,
2368         expand_builtin_sprintf, fold_builtin_sprintf,
2369         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2370         fold_builtin_snprintf_chk, fold_builtin_printf,
2371         fold_builtin_fprintf): Check for matching format strings using
2372         the target charset.
2373
2374 2005-11-29  Paul Brook  <paul@codesourcery.com>
2375
2376         * config.gcc: Do not use fixproto on m68k-elf.
2377
2378 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2379
2380         * expmed.c (div_cost): Replace with...
2381         (sdiv_cost, udiv_cost): New.
2382         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2383         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2384         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2385         (expand_divmod): Replace use of div_cost with either sdiv_cost
2386         or udiv_cost depending upon the signedness of the operation.
2387
2388 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2389
2390         PR libfortran/24991
2391         * config/darwin.c (machopic_indirection_name,
2392         machopic_output_indirection): Follow transparent alias chain.
2393
2394 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2395
2396         * varasm.c (ultimate_transparent_alias_target): Add comment.
2397
2398 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2399
2400         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2401         SET_SRC instead of XEXP where appropriate.
2402
2403 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2404
2405         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2406         __builtin_expect.
2407
2408 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2409
2410         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2411         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2412         bit at a time.
2413
2414 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2415
2416         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2417         secondary_input_reload_class, made static.  Adapt to new
2418         infrastructure.
2419         (secondary_output_reload_class): Delete.
2420         (TARGET_SECONDARY_RELOAD): New macro.
2421         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2422         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2423
2424 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2425
2426         PR c++/21166
2427         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2428         when its natural alignment is > BITS_PER_UNIT.
2429         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2430         * c-common.c (handle_packed_attribute): Ignore packing on a field
2431         whose type is naturally char aligned.
2432
2433 2005-11-28  Richard Guenther  <rguenther@suse.de>
2434
2435         * c-common.c (strict_aliasing_warning): Handle all
2436         component-ref like accesses.
2437
2438 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2439             Uros Bizjak  <uros@kss-loka.si>
2440
2441         PR middle-end/20219
2442         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2443         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2444         when flag_unsafe_math_optimizations is set and
2445         we don't care about NaNs or Infinities.
2446
2447         Move x/expN(y) and x/pow(y,z) transformation into common
2448         flag_unsafe_math_optimizations section.
2449
2450 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2451
2452         * gcc.c (main): Change type of argv to "char **".
2453
2454 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2455
2456         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2457         small data sections.
2458         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2459         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2460         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2461         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2462         output locals to sbss if !rs6000_elf_in_small_data_p.
2463         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2464
2465 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2466
2467         PR target/24997
2468         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2469         generated by reload.
2470         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2471         indexed_or_indirect_address.
2472         (indexed_or_indirect_address): Don't test for base reg.  Call
2473         address_operand last.  Make it a special predicate.
2474
2475 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2476
2477         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2478
2479 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2480
2481         PR middle-end/24575
2482         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2483         is undefined.
2484         (negate_expr): Likewise.
2485
2486 2005-11-27  Andreas Schwab  <schwab@suse.de>
2487
2488         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2489         redundant parens.
2490
2491 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2492
2493         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2494         has EH predecessor edges.
2495
2496 2005-11-26  Eric Christopher  <echristo@apple.com>
2497
2498         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2499         register stalls by zero extending to the full register.
2500
2501 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2502
2503         * config/floatunsisf.c, config/floatunsidf.c,
2504         config/floatunsixf.c, config/floatunsitf.c: New files.
2505         * config/ia64/t-hpux: Add floatunsitf.c.
2506         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2507         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2508
2509 2005-11-26  Richard Henderson  <rth@redhat.com>
2510
2511         * c-lex.c (pragma_lex): Rename from c_lex.
2512         * c-pch.c: Update for pragma_lex rename.
2513         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2514         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2515         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2516         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2517         * doc/tm.texi: Likewise.
2518
2519 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2520
2521         PR middle-end/23669
2522         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2523         when overflow is undefined.
2524
2525 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2526
2527         * doc/md.texi (Insn Canonicalizations): Refer to the
2528         function commutative_operand_precedence for further rules.
2529
2530 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2531
2532         PR middle-end/21309
2533         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2534         is less than zero.  Limit mult_cost to a reasonable upper bound for
2535         the synthetic multiplication sequence.
2536
2537 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2538
2539         PR middle-end/25022
2540         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2541         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2542         Lookup the explicit replacement functions for any unlocked
2543         stdio builtin transformations.
2544
2545 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2546
2547         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2548         earlyclobber.
2549         * targhooks.c (default_secondary_reload): Don't require operand 2
2550         for an input reload to be earlyclobber.
2551
2552 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2553
2554         * fold-const.c (negate_mathfn_p): Fix comment and add support
2555         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2556         BUILT_IN_ATANH.
2557
2558 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2559
2560         PR middle-end/24998
2561         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2562         _Q_ulltoq for unsigned conversions from SImode and DImode to
2563         TFmode.
2564
2565 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2566
2567         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2568         (__floatundidf, __floatundisf): Likewise.
2569
2570 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2571
2572         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2573         (rs6000_override_options): Remove initialization of
2574         rs6000_sr_alias_set.
2575         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2576         (rs6000_emit_stack_tie): Same.
2577         (emit_frame_save): Same.
2578         (gen_frame_mem_offset): Same.
2579         (rs6000_emit_prologue): Same.
2580         (rs6000_emit_epilogue): Same.
2581
2582 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2583
2584         PR middle-end/24989
2585         * fold-const.c (fold_build): Convert bool_var != 1 and
2586         bool_var == 0 to !bool_var.
2587
2588 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2589
2590         PR middle-end/24990
2591         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2592         for C being INTEGER_CST.  Likewise for !=.
2593
2594 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2595
2596         PR middle-end/24998
2597         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2598         unsigned conversions from SImode to TFmode.
2599
2600 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2601
2602         * expr.c (expand_expr_real_1): Fix error in last change.
2603
2604 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2605
2606         * caller-save.c: (this_insn_sets): Move into:
2607         (save_call_clobbered_regs).
2608         (mark_set_regs): Get this_insn_sets from data.
2609
2610         (save_call_clobbered_regs): Take sets of the return value by
2611         sibcalls into account.
2612
2613 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2614         PR target/21623:
2615
2616         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2617         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2618         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2619         (memory_move_secondary_cost, init_reg_autoinc): Remove
2620         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2621         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2622         secondary_reload_class call.
2623         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2624         callers.
2625         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2626         (push_secondary_reload): Use secondary_reload target hook.
2627         (secondary_reload_class, scratch_reload_class): New functions.
2628         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2629         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2630         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2631         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2632         (secondary_reload_class, scratch_reload_class): Declare.
2633         * reload1.c: Include target.h.
2634         (reload_adjust_reg_for_temp): New function.
2635         (reload_adjust_reg_for_icode): Likewise.
2636         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2637         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2638         call.
2639         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2640         for inheritance.  Support case when both secondary & tertiary reloads
2641         are for intermediate registers.
2642         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2643         with secondary_reload_class call.  Support case when both secondary
2644         & tertiary reloads are for intermediate registers.
2645         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2646         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2647         * target.h (secondary_reload_info): New struct / typedef.
2648         (struct gcc_target): New member secondary_reload.
2649         * targhooks.c Include reload.h, optabs.h and recog.h.
2650         (default_secondary_reload): New function.
2651         * targhooks.h (default_secondary_reload): Declare.
2652         * doc/tm.texi: Document secondary_reload target hook.  Update
2653         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2654         * doc/md.texi: Likewise.
2655
2656         * sh-protos.h (sh_secondary_reload): Declare.
2657         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2658         (sh_secondary_reload): New function.
2659         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2660         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2661         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2662         (HAVE_SECONDARY_RELOADS): Define.
2663         * sh.md (reload_indf): Rename to:
2664         (reload_indf__frn).
2665         (reload_outdf): Rename to:
2666         (reload_outdf__RnFRm).
2667         (reload_insf): Rename to:
2668         (reload_insf__frn).
2669         (reload_insi): Rename to:
2670         (reload_insi__i_fpul).
2671
2672 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2673
2674         * configure.ac: Require at least texinfo 4.4.
2675         * configure: Regenerate.
2676
2677         * doc/install.texi (Tools/packages necessary for building GCC):
2678         Update required version of texinfo to at least 4.4.
2679         (Installing GCC: Building): Update required version of texinfo
2680         to at least 4.4.
2681         (Installing GCC: Final installation): Update required version
2682         of texi2dvi to at least 4.4.
2683         (Host/target specific installation notes for GCC): Update required
2684         version of texinfo to at least 4.4.
2685
2686 2005-11-24  Richard Guenther  <rguenther@suse.de>
2687         Dirk Mueller <dmueller@suse.de>
2688
2689         PR c++/14024
2690         * c-common.h (strict_aliasing_warning): Declare.
2691         * c-common.c (strict_aliasing_warning): New function,
2692         split out from ...
2693         * c-typeck.c (build_c_cast): ... here.
2694
2695 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2696
2697         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2698         to order operands.
2699         (swap_commutative_operands_with_target): New.
2700
2701 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2702
2703         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2704         also when doing PRE, rather than only for global CPROP.
2705
2706 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2707
2708         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2709         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2710         formatting.
2711         (expand_twoval_unop): Likewise.
2712         (widen_clz): Likewise.
2713         (expand_parity): Likewise.
2714         (expand_unop): Likewise.
2715         (emit_cmp_and_jmp_insn_1): Likewise.
2716         (prepare_float_lib_cmp): Likewise.
2717
2718 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2719
2720         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2721         Remove unused `class' variable.
2722
2723 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2724
2725         PR c++/21667
2726         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2727         C/C++ diagnostic function warn_array_subscript_with_type_char.
2728         * c-common.h (warn_array_subscript_with_type_char): Declare.
2729         * c-common.c (warn_array_subscript_with_type_char): Define.
2730
2731 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2732
2733         PR c/21668
2734         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2735         compiling at the intersection of C and C++.
2736
2737 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2738
2739         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2740         List @file in the option summary.  Include the libiberty
2741         documentation for @file.
2742         * gcc.c (main): Call expandargv.
2743         * Makefile.in (gcc-vers.texi): Define srcdir.
2744
2745 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2746
2747         * passes.c (init_optimization_passes): Document
2748         sequencing of passes.
2749
2750 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2751
2752         * config/m68k/predicates.md (pcrel_address, extend_operator,
2753         post_inc_operand, pre_dec_operand): Remove redundant
2754         conditionals.
2755         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2756         instead of abort.
2757         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2758
2759 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2760
2761         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2762
2763 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2764
2765         Preparatory work for PR target/21623:
2766         * alpha.c (secondary_reload_class): Rename to:
2767         (alpha_secondary_reload_class).
2768         * alpha.h, alpha-protos.h: Likewise.
2769         * mn10300.c (secondary_reload_class): Rename to:
2770         (mn10300_secondary_reload_class).
2771         * mn10300.h, mn10300-protos.h: Likewise.
2772         * pa.c (secondary_reload_class): Rename to:
2773         (pa_secondary_reload_class).
2774         * pa.h, pa-protos.h: Likewise.
2775         * rs6000.c (secondary_reload_class): Rename to:
2776         rs6000_secondary_reload_class.
2777         * rs6000.h, rs6000-protos.h: Likewise.
2778
2779 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2780
2781         PR middle-end/22561
2782         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2783
2784 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2785
2786         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2787         a mode_class.
2788         (prepare_cmp_insn): Likewise.
2789
2790 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2791
2792         PR target/23435
2793         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2794         if both operands[0] and operands[1] are memory.
2795
2796 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2797
2798         PR middle-end/23606
2799         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2800         COMPARISON_CLASS_P and an integral types create create a new
2801         expression with the new type and fold that.
2802
2803 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2804
2805         PR target/24988
2806         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2807         to SUBTARGET_OS_CPP_BUILTINS.
2808
2809 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2810
2811         * arm.c (emit_set_insn): New function.
2812         (arm_split_constant): Call it.
2813         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2814         (arm_legitimize_address): Likewise.  Use plus_constant.
2815         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2816         (thumb_expand_prologue): Likewise.
2817         (arm_gen_load_multiple): Use VOIDmode in SET.
2818         (arm_gen_store_multiple): Likewise.
2819         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2820         (emit_multi_reg_push): Likewise.
2821         (emit_sfm): Use plus_constant.
2822
2823 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2824
2825         PR target/24954
2826         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2827         typo last change.
2828
2829 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2830
2831         PR middle-end/24950
2832         * expmed.c (store_bit_field): Don't attempt to insv a field
2833         larger than the reg.
2834
2835 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2836
2837         PR target/24954
2838         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2839         explicit sign extension, not a (char) cast.
2840
2841 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2842
2843         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2844         GET_MODE_CLASS (x) == MODE_FLOAT.
2845         * config/i386/i386.c: Likewise.
2846         * config/rs6000/xcoff.h: Likewise.
2847         * config/rs6000/linux64.h: Likewise.
2848         * config/rs6000/rs6000.c: Likewise.
2849         * config/rs6000/rs6000.h: Likewise.
2850         * config/rs6000/predicates.md: Likewise.
2851         * config/rs6000/sysv4.h: Likewise.
2852
2853 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2854
2855         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2856         flag_pic is set.
2857
2858         * config/alpha/freebsd.h, config/alpha/linux.h,
2859         config/arm/linux-elf.h, config/bfin/bfin.h,
2860         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2861         config/i386/beos-elf.h, config/i386/gnu.h,
2862         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2863         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2864         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2865         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2866         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2867         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2868         config/sparc/linux.h, config/sparc/linux64.h,
2869         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2870
2871         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2872         are both defined when either flag -fpic or -fPIC are used.
2873
2874 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2875
2876         * config/fp-bit.c (clzusi): New function.
2877         (si_to_float, usi_to_float): Use it to compute proper shift.
2878         (usi_to_float): Preserve guard bits when shifting right.
2879         * libgcc-std.ver (GCC_4.2.0): New version.
2880         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2881         __floatundisf): New functions.
2882         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2883         __floatundisf): Declare.
2884         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2885         _floatundixf, and _floatunditf.
2886         * optabs.c (expand_float): If target does not define a pattern for
2887         signed or unsigned conversion, use an unsigned libcall instead of
2888         a signed one.
2889         (init_optabs): Initialize ufloat_optab.
2890
2891 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2892
2893         * config/rs6000/rs6000.opt (mmulhw): New option.
2894         * doc/invoke.texi (-mmulhw): Document.
2895         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2896         for 405 and 440.
2897         * config/rs6000/rs6000.md: Add half-word multiply and
2898         multiply-accumulate instructions for 405 and 440.
2899
2900 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2901
2902         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2903         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2904         default now includes a linker group which makes the RTEMS one nest.
2905
2906 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2907
2908         * cse.c (fold_rtx): Typo fix.
2909         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2910
2911 2005-11-21  Richard Henderson  <rth@redhat.com>
2912
2913         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2914         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2915
2916         * c-tree.h (lookup_name): Move declaration ...
2917         * c-common.h (lookup_name): ... here.
2918         * config/darwin-c.c: Include c-common.h.
2919         * config/t-darwin: Update dependencies.
2920
2921 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2922
2923         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2924         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2925         * genopinit.c (gen_insn): Likewise.
2926         * reload.c (find_equiv_reg): Likewise.
2927         * loop.c (load_mems): Likewise.
2928         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2929         * cse.c (find_comparison_args, fold_rtx): Likewise.
2930         * dwarf2out.c (add_const_value_attribute): Likewise.
2931         * expr.c (convert_move): Likewise.
2932         * recog.c (general_operand, register_operand): Likewise.
2933         * reg-stack.c (replace_reg): Likewise.
2934         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2935         * c-common.c (handle_vector_size_attribute): Likewise.
2936         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2937         (simplify_binary_operation_1): Likewise.
2938         (simplify_const_binary_operation): Likewise.
2939         (simplify_relational_operation): Likewise.
2940         (simplify_const_relational_operation): Likewise.
2941         (simplify_immed_subreg): Likewise.
2942         * emit-rtl.c (gen_lowpart_common): Likewise.
2943         * expmed.c (expand_mult): Likewise.
2944         * stor-layout.c (layout_type): Likewise.
2945
2946 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2947
2948         PR target/24951
2949         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2950         cst2 only for SPE vectors.
2951
2952 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2953
2954         PR target/24953
2955         * config/rs6000/predicates.md (vrsave_operation): Check
2956         UNSPEC_VOLATILE value.
2957
2958 2005-11-21  Jan Hubicka  <jh@suse.cz>
2959
2960         PR tree-optimization/24653
2961         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2962
2963 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2964
2965         * config/i386/predicates.md (ax_reg_operand): New predicate.
2966         (memory_displacement_only_operand): New predicate.
2967         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2968         operand is AX register and the other operand is memory operand
2969         with displacement only.
2970
2971 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2972
2973         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2974         if we don't care about NaNs or Infinities.
2975
2976 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2977
2978         PR rtl-optimization/24883
2979         * combine.c (combinable_i3pat): When checking whether the
2980         destination of i3 is used in i3, consider paradoxical subregs.
2981
2982 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2983
2984         PR middle-end/20583
2985         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2986
2987 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2988
2989         * combine.c (try_combine): Do not run subst on i1src and i2src in
2990         the case of generating a PARALLEL for a comparison.
2991
2992 2005-11-20  Richard Henderson  <rth@redhat.com>
2993
2994         PR 24931
2995         * tree-sra.c (struct sra_elt): Add all_no_warning.
2996         (struct sra_walk_fns) <use>: Add use_all argument.
2997         (sra_walk_expr): Pass it.
2998         (sra_walk_modify_expr): Likewise.
2999         (scalarize_ldst): Likewise.
3000         (scan_use): Update for new argument.
3001         (mark_no_warning): New.
3002         (scalarize_use): Use it.
3003
3004 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3005
3006         * expr.c (expand_expr_real): Use usmul_optab for widening
3007         signed * unsigned multiplies.
3008         * genopinit.c (optabs): Add usmul_widen_optab.
3009         * optabs.c (init_optabs): Likewise.
3010         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3011         (usmul_widen_optab): Define.
3012         * config/bfin/bfin.md (usmulhisi3): New pattern.
3013
3014         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3015
3016 2005-11-20  Graham Stott <btinternet.com>
3017
3018         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3019
3020 2005-11-20  Andreas Schwab  <schwab@suse.de>
3021
3022         PR target/24757
3023         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3024         insn.
3025
3026 2005-11-19  Richard Henderson  <rth@redhat.com>
3027
3028         PR tree-opt/24665
3029         * tree-gimple.c (is_gimple_id): Export.
3030         * tree-gimple.h (is_gimple_id): Declare.
3031         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3032         (get_default_value): Use it.
3033         (maybe_fold_stmt_indirect): Likewise.
3034
3035 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3036
3037         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3038         than VR1 or vice-versa.
3039
3040 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3041
3042         PR middle-end/24912
3043         PR middle-end/24750
3044         * reload.c (find_reloads_address_1): Mention dependency on
3045         gen_reload.
3046         * reload1.c (gen_reload): For IN with an unary operation, try
3047         moving inner expression to OUT if trivial SET is not valid.
3048         Confirm that the result is valid.  Move common code block into...
3049         (emit_insn_if_valid_for_reload): New function.
3050
3051 2005-11-19  Richard Guenther  <rguenther@suse.de>
3052
3053         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3054         ARRAY_REFs of constant strings.
3055
3056 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3057
3058         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3059         fatal format string.
3060
3061 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3062
3063         * combine.c (make_compound_operation): Swap operands of
3064         commutative operation if necessary before returning.
3065
3066 2005-11-19  Richard Guenther  <rguenther@suse.de>
3067
3068         PR middle-end/23294
3069         * fold-const.c (fold_plusminus_mult_expr): New function.
3070         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3071         cases, remove now unnecessary code.
3072
3073 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3074
3075         * gensupport.c (old_preds): Rename to std_preds, add special field.
3076         (struct old_pred_table): Rename to struct std_pred_table, add special
3077         field.
3078         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3079         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3080         (init_predicate_table): Adjust, and set along the way whether a
3081         predicate is special.
3082
3083 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3084
3085         * BASE-VER: Change to 4.2.0.
3086
3087 2005-11-18  James E Wilson  <wilson@specifix.com>
3088
3089         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3090         returning it.
3091
3092 2005-11-18  Mike Stump  <mrs@apple.com>
3093
3094         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3095         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3096         * c-decl.c (lookup_name_two) Remove.
3097         * c-tree.h (lookup_name_two): Remove.
3098         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3099         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3100         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3101         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3102
3103 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3104
3105         PR target/24914
3106         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3107         when not generating code to use that co-processor.
3108
3109 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3110
3111         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3112         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3113         these functions are now in tree-phinodes.c.
3114
3115 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3116
3117         * config/bfin/bfin.md (trap): New pattern.
3118
3119 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3120
3121         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3122         on types.
3123
3124         * expr.c (expand_expr_real): Don't call record_block_change unless
3125         ib_boundaries_block is non-null
3126
3127         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3128
3129         * fold-const.c (build_range_check): Use proper type for subtraction
3130         when merging lower bound.
3131
3132 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3133
3134         PR rtl-optimization/24497
3135         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3136         the copied insn.
3137
3138 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3139
3140         * tree-scalar-evolution.c (expression_expensive_p): New function.
3141         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3142
3143 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3144
3145         * config/bfin/crtlibid.s: New file.
3146
3147 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3148
3149         PR target/24348
3150         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3151         when not using sjlj exceptions.
3152         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3153         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3154         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3155         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3156         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3157         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3158         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3159         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3160         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3161         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3162         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3163         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3164         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3165         defines.
3166         * config/pa/hpux-unwind.h: New file.
3167
3168 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3169
3170         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3171         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3172         * varasm.c (do_assemble_alias): Adjust call.
3173         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3174         is defined.
3175         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3176
3177 2005-11-17  James E Wilson  <wilson@specifix.com>
3178
3179         * tree.def (FUNCTION_DECL): Correct typo in comment.
3180
3181 2005-11-17  Richard Henderson  <rth@redhat.com>
3182
3183         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3184         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3185         and DW_CFA_def_cfa_sf.
3186         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3187         (dbx_reg_number): Don't assert particular registers here.
3188         (based_loc_descr): ... do it here instead.  Fold in ...
3189         (eliminate_reg_to_offset): ... this function.
3190         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3191         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3192         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3193         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3194         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3195         (instantiate_virtual_regs): Likewise.
3196         * var-tracking.c (adjust_stack_reference): Likewise.
3197         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3198
3199 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3200
3201         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3202         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3203         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3204         crtlibid.o.
3205         ($(T)crtlibid.o): New rule.
3206
3207 2005-11-16  Richard Guenther  <rguenther@suse.de>
3208
3209         PR middle-end/24851
3210         * fold-const.c (extract_array_ref): Return byte offset
3211         in all cases.
3212         (fold_binary): Fold &x[a] CMP &x[b] to
3213         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3214         behavior.
3215
3216 2005-11-16  Richard Henderson  <rth@redhat.com>
3217
3218         PR middle-end/23497
3219         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3220         parts of an SSA_NAME.
3221
3222 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3223
3224         PR target/24861
3225         * arm.md (split for movsf with immediate): Restrict split to insns
3226         that set a general register.
3227
3228 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3229
3230         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3231         uw_update_context.
3232         * unwind-dw2.c (uw_advance_context): Likewise.
3233         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3234         _Unwind_SjLj_Unregister.
3235         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3236
3237 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3238
3239         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3240
3241 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3242
3243         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3244         langhook to get a DImode integer type.
3245
3246 2005-11-16  Richard Henderson  <rth@redhat.com>
3247             J"orn Rennecke <joern.rennecke@st.com>
3248             Ulrich Weigand  <uweigand@de.ibm.com>
3249
3250         PR rtl-opt/24160
3251         PR target/24621
3252         * reload1.c (reg_equiv_invariant): New.
3253         (reload): Allocate, initialize, and free it.
3254         (calculate_needs_all_insns): Check it when skipping equivalence
3255         setting insns.
3256         (alter_reg): Likewise.
3257         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3258         may_use_invariant argument; only use reg_equiv_invariant when true.
3259         (eliminate_regs): New.
3260         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3261         a context for which may_use_invariant may be true.
3262
3263 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3264
3265         * fold-const.c (const_binop): Don't constant fold the operation
3266         if the result has overflowed and flag_trapping_math.
3267         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3268
3269 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3270
3271         * config/arm/unwind-arm.c (abort): Add prototype here.
3272         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3273         (struct phase1_vrs): Add prev_sp.
3274         (unwind_phase2_forced): Save the original core registers instead of
3275         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3276         and set action flags accordingly.  Always set _US_END_OF_STACK when
3277         get_eit_entry fails.  Unwind before calling the stop function.
3278         (_Unwind_GetCFA): New function.
3279         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3280         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3281         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3282         just call unwind_phase2_forced.
3283         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3284         * config/arm/unwind-arm.h (abort): Remove prototype.
3285         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3286         prototypes.
3287         (_Unwind_GetCFA): New prototype.
3288         * config/arm/pr-support.c (abort): Add prototype here.
3289         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3290         forced unwinding.
3291         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3292         not schedule the prologue with non-call exceptions and EABI.
3293
3294 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3295
3296         * config/arm/unwind-arm.h: Reorder interface function declarations.
3297         (_URC_END_OF_STACK): New enumeration value.
3298         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3299         (struct _Unwind_Control_Block): Document reserved field use.
3300         (_Unwind_Stop_Fn): New typedef.
3301         (_Unwind_ForcedUnwind): Declare.
3302         (_Unwind_Resume_or_Rethrow): Declare.
3303         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3304         argument.  Adjust.
3305         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3306         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3307         (UCB_FORCED_STOP_ARG): New.
3308         (search_EIT_table): Update boundary condition checks.
3309         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3310         (unwind_phase2): Replace for with do..while.
3311         (unwind_phase2_forced): New.
3312         (__gnu_Unwind_RaiseException): Replace for with do..while.
3313         (__gnu_Unwind_ForcedUnwind): New.
3314         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3315         Use appropriate phase2 unwinder.
3316         (__gnu_Unwind_Resume_or_Rethrow): New.
3317         (__gnu_unwind_pr_common): Cope with forced unwinding.
3318
3319 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3320
3321         PR target/24772
3322         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3323
3324         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3325         roundsf2): Remove "s" from mnemonic.
3326
3327 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3328
3329         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3330         __PIC__ is defined.
3331         * config/bfin/crtn.s: Change epilogues to match.
3332         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3333         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3334         __PIC__ and __pic__.
3335
3336 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3337
3338         PR 24357
3339         * doc/invoke.texi: Distinguish between free and fixed form instead of
3340         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3341         languages.
3342         * gcc.c (default_compilers): Remove double entries, add entries for
3343         suffixes '.F90' and '.F95'.
3344
3345 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3346
3347         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3348         in the stack probing loop.
3349
3350 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3351
3352         * configure.ac: Use .machine power5 not power5x.
3353         * configure: Regenerate.
3354
3355 2005-11-15  Mike Stump  <mrs@apple.com>
3356
3357         * c-decl.c (lookup_name_two): Add.
3358         * c-tree.h (lookup_name_two): Likewise.
3359         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3360         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3361
3362 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3363
3364         PR rtl-optimization/23392
3365         * regrename.c (enum scan_actions) Add mark_access.
3366         (scan_actions_name): Ditto.
3367         (scan_rtx_reg): Handle mark_access.
3368         (scan_rtx_address): Do nothing for mark_access.
3369         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3370         and regs in REG_INC notes before closing chains for dead regs.
3371         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3372         opening chains for new writes.
3373
3374 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3375
3376         * c.opt (ffixed-line-length-none): New.
3377
3378 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3379
3380         * mklibgcc.in: Change contents of eh_dummy.c.
3381
3382 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3383
3384         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3385
3386 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3387
3388         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3389         of making syscalls.
3390         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3391
3392 2005-11-15  Jan Hubicka  <jh@suse.cz>
3393
3394         * invoke.texi (large-unit-insns): Document.
3395         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3396         * params.def (large-unit-insns): New param.
3397
3398 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3399
3400         PR target/24869
3401         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3402         special register for operand 3.  Reindent constraints to align
3403         them vertically.
3404
3405 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3406
3407         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3408         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3409         * configure.ac: Add test for FP rounding instructions.
3410         * configure: Regenerate.
3411         * config.in: Regenerate.
3412         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3413         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3414         features enabled.
3415         * config/rs6000/rs6000.opt (mfprnd): New.
3416         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3417         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3418         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3419         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3420         (TARGET_FPRND): New.
3421         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3422         UNSPEC_FRIZ): New.
3423         (btrunc<mode>2): New.
3424         (ceil<mode>2): New.
3425         (floor<mode>2): New.
3426         (round<mode>2): New.
3427
3428 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3429
3430         * gcc.c (version_compare_spec_function): Use fatal() rather than
3431         abort().
3432
3433         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3434         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3435         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3436         as empty.
3437         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3438         link in crt2.o.
3439
3440         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3441         on -mmacosx-version-min setting.
3442
3443 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3444
3445         PR 24840
3446         * tree-vrp.c (infer_value_range): Return false if STMT is a
3447         block terminator and its basic block has no successors.
3448
3449 2005-11-14  Mike Stump  <mrs@apple.com>
3450
3451         * config/i386/i386.c (override_options): -masm=intel isn't
3452         supported on darwin.
3453         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3454
3455 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3456
3457         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3458         vfork after including auto-host.h.
3459
3460 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3461
3462         PR rtl-optimization/22002
3463         * combine.c (distribute_notes): Detect cases where a reg dies
3464         two or more times in a bb, including on the insn we are combining,
3465         and place the death note on the correct range.
3466
3467 2005-11-14  Dale Johannesen  <dalej@apple.com>
3468
3469         * expmed.c (store_bit_field):  Add offset unconditionally for
3470         memory targets.
3471         (extract_bit_field):  Don't force extzv or extv operand into
3472         a register if field is too big.
3473
3474 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3475
3476         * config/arm/arm.c (pic_labelno): New.
3477         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3478         LABEL_REF.  Pass only the labelno to PIC insns.
3479         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3480         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3481         * arm.md (UNSPEC_PIC_LABEL): New constant.
3482         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3483         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3484         Use the correct label prefix.
3485
3486 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3487
3488         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3489         REQ_EQUIV note.
3490
3491 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3492
3493         * loop-invariant.c: Include tm_p.h.
3494         * Makefile.in: Updated.
3495
3496 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3497
3498         * pa.c (store_reg): Revise generation of frame notes in large frames.
3499         (set_reg_plus_d): Likewise.
3500
3501 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3502
3503         PR tree-optimization/24709
3504         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3505         loop check.
3506
3507 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3508
3509         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3510         and duplicate declaration of pthread_self.
3511
3512 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3513             Ian Lance Taylor  <ian@airs.com>
3514
3515         PR middle-end/24003
3516         * calls.c (expand_call): If TARGET is a MEM and some part of the
3517         argument area has been saved, force TARGET to a register.
3518
3519 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3520
3521         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3522         checking.
3523
3524 2005-11-13  Jason Merrill  <jason@redhat.com>
3525
3526         PR c++/22489
3527         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3528         lazily declared methods.
3529         (force_decl_die): Stop if forcing out the context already make a
3530         DIE for the decl.
3531         (force_type_die): Likewise.
3532
3533 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3534
3535         PR middle-end/24820
3536         * builtins.c (integer_valued_real_p): Add break in
3537         REAL_CST having TREE_OVERFLOW set.
3538
3539 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3540
3541         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3542         addressing modes during calculation of costs.
3543
3544 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3545
3546         * function.c (assign_stack_local_1): Restrict sanity check
3547         on frame size overflow to 32-bit and above platforms.
3548
3549 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3550
3551         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3552         * config/cris/cris.c: Include reload.h.
3553         (cris_initial_elimination_offset): New function.
3554         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3555         Prototype.
3556
3557 2005-11-12  Richard Guenther  <rguenther@suse.de>
3558
3559         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3560
3561 2005-11-12  Jan Hubicka  <jh@suse.cz>
3562
3563         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3564         to compare against 0 when possible.
3565
3566 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3567
3568         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3569         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3570         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3571         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3572         in the new order.
3573
3574 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3575
3576         * recog.c (constrain_operands) <case 'g'>: For a match, require
3577         that a non-register matches general_operand when strict >= 0.
3578
3579 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3580
3581         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3582         previous checkin.
3583
3584 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3585
3586         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3587         (memory_address_same): New.
3588         (dse_optimize_stmt): Call memory_address_same.
3589
3590 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3591
3592         PR middle-end/24750
3593         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3594         ZERO_EXTEND>: New cases.
3595
3596 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3597
3598         * longlong.h (__clz_tab): Always provide.
3599
3600 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3601
3602         PR 24265
3603         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3604         can be assigned to.
3605         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3606         before check_maybe_invariant.
3607         (move_invariant_reg): Use gen_move_insn instead of replacing
3608         SET_DEST with the temporary for the invariant.
3609         (move_loop_invariants): If checking is enabled, do internal
3610         consistency checks after completing the pass.
3611
3612 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3613
3614         PR 24644
3615         * common.opt (Wvolatile-register-var): New.
3616         * varasm.c (make_decl_rtl): Only emit warning when option
3617         specified.  Clarify warning message.
3618         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3619
3620         * doc/md.texi (copysign): Document standard named pattern.
3621
3622 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3623
3624         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3625         bytes when align is 2.
3626         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3627         by the first instruction of the loop.
3628
3629 2005-11-11  Jason Merrill  <jason@redhat.com>
3630
3631         PR c++/24686
3632         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3633         the cleanup list.
3634
3635 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3636
3637         PR rtl-optimization/22509
3638         * local-alloc.c (memref_used_between_p): Check whether a function call
3639         could not reference the memref.
3640
3641 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3642
3643         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3644         algorithm so as to choose the best, not the worst, alternative.
3645         Reset accumulated register class before processing next alternative.
3646
3647 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3648
3649         PR target/24445
3650         * calls.c (expand_call): Copy a return value to a plain register
3651         if needed.
3652
3653 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3654
3655         PR target/24778
3656         * varasm.c (assemble_name): Recompute name only for transparent
3657         aliases.
3658
3659 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3660
3661         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3662
3663 2005-11-04  Jeff Law  <law@redhat.com>
3664
3665         PR middle-end/23181
3666         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3667         perform reassociation if the parent statement will not die as
3668         a result of the optimization.
3669
3670 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3671
3672         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3673         delete_old_heap_vars.
3674         * tree-dfa.c (referenced_var_remove): Remove function.
3675         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3676         (delete_tree_ssa): Remove call to delete_old_heapvars.
3677         Add call to delete_alias_heapvars.
3678         * tree-flow.h (referenced_var_remove): Remove prototype
3679         (init_alias_heapvars): New prototype.
3680         (delete_alias_heapvars): Ditto.
3681         * Makefile.in (tree-ssa-structalias.o): Add
3682         gt-tree-ssa-structalias.o
3683         (GTFILES): Add tree-ssa-structalias.h and
3684         tree-ssa-structalias.c.
3685         (s-gtype): Add gt-tree-ssa-structalias.h.
3686         * tree-ssa-structalias.c (heapvars): Remove.
3687         (oldheapvars): Remove.
3688         (heapvar_for_stmt): New variable.
3689         (heapvar_lookup): New function.
3690         (heapvar_insert): Ditto.
3691         (get_constraint_for): See if we have an old heapvar
3692         to reuse.
3693         (init_alias_heapvars): New function.
3694         (delete_alias_heapvars): Ditto.
3695         Add include of gt-tree-ssa-structalias.h.
3696
3697 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3698
3699         PR middle-end/22127
3700         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3701
3702 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3703
3704         * tree.c (int_fits_type_p): Only look at the base type
3705         if it has the same precision as the original type.
3706
3707 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3708
3709         PR other/4372
3710         * varasm.c (assemble_alias): Use %q+D in the error
3711         message instead of %J and %qD.
3712
3713 2005-11-10  Richard Guenther  <rguenther@suse.de>
3714
3715         * gcse.c (free_ldst_entry): Only free hashtable if
3716         it exists.
3717
3718 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3719
3720         * function.c (assign_stack_local_1): Issue an error message if
3721         the frame size overflows in the signed target arithmetics.
3722
3723 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3724
3725         * tree.c (build_qualified_type): Chain the new type to the original
3726         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3727         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3728         (build_pointer_type_for_mode): Only return unqualified types.
3729         (build_reference_type_for_mode): Likewise.
3730
3731 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3732
3733         * Makefile.in (gnucompare): Do comparison of all files using one of
3734         the chosen methods and only afterwards decide if just warning should
3735         be issued or comparison failure raised.
3736
3737 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3738
3739         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3740         (noce_try_abs): Negate if the comparison is reversed.
3741         Look only one instruction backwards for a REG_EQUAL note.
3742
3743 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3744
3745         PR other/4372
3746         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3747         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3748         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3749         and prefix all uses with __ghtrw.
3750
3751 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3752
3753         PR other/4372
3754         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3755         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3756         * c-common.c (handle_weakref_attribute): New.
3757         (c_common_attribute_table): Add weakref.
3758         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3759         in the assembler.
3760         * configure, config.in: Rebuilt.
3761         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3762         * doc/extend.texi: Document weakref attribute.
3763         * varasm.c (ultimate_transparent_alias_target): New
3764         (assemble_name): Use it.
3765         (weak_finish_1): Split out of...
3766         (weak_finish): ... and deal with weakrefs in...
3767         (weakref_targets): ... new list.
3768         (globalize_decl): Clean up weakref_targets.
3769         (do_assemble_alias): Handle weakrefs.
3770         (finish_aliases_1): Do not reject weakrefs to external symbols.
3771         (assemble_alias): Handle weakrefs.
3772
3773 2005-11-09  Richard Guenther  <rguenther@suse.de>
3774
3775         PR tree-optimization/24716
3776         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3777         t_bool to track results from follow_ssa_edge.
3778
3779 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3780
3781         * final.c (force_source_line): New global variable.
3782         (final_scan_insn): Set it to true instead of clearing last_filename.
3783         (notice_source_line): Return true if force_source_line is true,
3784         unless source info is absent.
3785
3786 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3787
3788         PR c/24644
3789         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3790         a linkage name for a variable if it a register variable.
3791         * c-decl.c (grokdeclarator): Global register variables
3792         should be set as PUBLIC.
3793
3794 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3795
3796         PR 24624
3797         * config/s390/s390.c (struct s390_frame_layout): New fields
3798         first_save_gpr_slot and last_save_gpr_slot.
3799         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3800         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3801         first_save_gpr and last_save_gpr with the _slot variants.
3802         (s390_register_info): Calculate first_save_gpr_slot and
3803         last_save_gpr_slot using regs_ever_live.
3804
3805 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3806
3807         PR 24623
3808         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3809         for a function containing a landing pad.
3810
3811 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3812
3813         PR 24034
3814         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3815         is live afterwards.
3816
3817 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3818
3819         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3820         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3821
3822 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3823
3824         Add ms2 support
3825         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3826         constants.
3827         (call,load,store): New insn types.
3828         (mem_access, branch_access): Adjust reservation conditions.
3829         (define_delay): Adjust condition.
3830         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3831         type.
3832         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3833         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3834         insn type.
3835         (call_internal, call_value_internal, return_internal,
3836         return_interrupt_internal, eh_return_internal, indirect_jump,
3837         tablejump): Set call insn type.
3838         (blockage, ei, di): Use appropriate unspec const.
3839         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3840         (ms1_get_attr_type): Adjust to give load & store types.
3841         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3842         backwards past a barrier.
3843         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3844         branch scheduling.
3845         (struct branch_info, struct label_info): New.
3846         (ms1_labels): New.
3847         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3848         (ms1_machine_reorg): New.
3849         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3850         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3851         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3852         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3853         (TARGET_MS2): New.
3854
3855 2005-11-09  Per Bothner  <per@bothner.com>
3856             Uros Bizjak  <uros@kss-loka.si>
3857
3858         PR c/24101
3859         * toplev.c (process_options): Initialize debug_hooks early
3860         in case lang_hooks.post_options ends up calling a debug_hook.
3861
3862 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3863
3864         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3865         DBX_REGISTER_NUMBER being contiguous.
3866
3867 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3868             Diego Novillo  <dnovillo@redhat.com>
3869
3870         PR 23046
3871         * tree-vrp.c (register_edge_assert_for): Do not register
3872         always-false predicates.
3873
3874 2005-11-08  Devang Patel <dpatel@apple.com>
3875
3876         PR tree-optimization/23115
3877         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3878         relation.
3879
3880 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3881
3882         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3883         -mcpu=440.
3884
3885 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3886
3887         Fix PR tree-optimization/23382
3888
3889         * tree-ssa-alias.c (compute_may_aliases): Call
3890         delete_old_heap_vars.
3891         * tree-dfa.c (referenced_var_remove): New function.
3892         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3893         * tree-flow.h (referenced_var_remove): Add prototype.
3894         (delete_old_heap_vars): Ditto.
3895         * tree-ssa-structalias.c (heapvars): New variable.
3896         (oldheapvars): Ditto.
3897         (get_constraint_for): Put heap vars on heapvars list.
3898         (delete_old_heap_vars): New function.
3899
3900 2005-11-08  Jason Merrill  <jason@redhat.com>
3901
3902         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3903
3904 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3905
3906         PR target/19340
3907         * reg-stack.c (reg_to_stack): Update register liveness also
3908         for flag_sched2_use_traces.
3909
3910 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3911
3912         PR target/23704
3913         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3914         override prior explicit -mno-powerpc-gfxopt.
3915
3916 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3917
3918         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3919         if the bitsize is zero.
3920         * doc/md.texi (Standard Pattern Names): Document it.
3921
3922         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3923         (TARGET_PASS_BY_REFERENCE): Likewise.
3924
3925 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3926
3927         PR rtl-optimization/24683
3928         * config/i386/i386.c (legitimize_pic_address): If constant operand
3929         to PLUS is too large, put it in a register.
3930
3931 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3932
3933         * configure.ac: Enable checking assembler dwarf2 support for bfin
3934         target.
3935         * configure: Regenerate.
3936
3937 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3938
3939         PR target/24230
3940
3941         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
3942         gen_easy_vector_constant_add_self): Delete.
3943         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
3944         New.
3945         (output_vec_const_move): Use gen_easy_altivec_constant.
3946         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3947         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3948         (easy_vector_constant_add_self): Rewritten.
3949         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3950         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3951         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3952         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3953         Macroize and adjust for the other changes.
3954
3955 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3956
3957         PR c/24599
3958
3959         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3960         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3961
3962 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3963
3964         PR rtl-optimization/23567
3965         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3966         (noce_process_if_block): Don't do any optimizations except
3967         if (cond) x = x; if !set_b and write into orig_x may trap
3968         or fault.  Remove the MEM_READONLY_P check.
3969
3970 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3971
3972         PR 24670
3973         * tree-vrp.c (fix_equivalence_set): New.
3974         (extract_range_from_assert): Call it.
3975
3976 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3977
3978         PR target/22432
3979         * combine.c (apply_distributive_law): Don't distribute across a
3980         vector mode subreg.
3981
3982 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3983
3984         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3985         config/ms1/ms1.h, config/rs6000/predicates.md,
3986         config/s390/s390.c, params.def, postreload-gcse.c,
3987         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3988         tree-vrp.c, tree.c: Fix comment typos.
3989         * doc/invoke.texi: Fix typos.
3990
3991 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3992
3993         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3994         for testing whether the data_dependence_relation contains distance
3995         vectors.  Iterate over all distance vectors of the ddr.
3996         * lambda.h: Define a vec of lambda_vector pointers.
3997         * tree-data-ref.c (dump_data_dependence_relation,
3998         dump_data_dependence_direction): Iterate over all distance and
3999         direction vectors of the ddr.
4000         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4001         DDR_DIST_VECTS.
4002         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4003         of distance/direction vectors instead of a single one.
4004         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4005         lambda_vectors with a vec of lambda_vectors.
4006         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4007         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4008         DDR_NUM_DIST_VECTS): New.
4009         * tree-loop-linear.c (gather_interchange_stats): Test for the
4010         existence of distance vectors only after having checked that there
4011         is a dependence.  Iterate over all distance vectors of the ddr.
4012         (linear_transform_loops): Use dump_data_dependence_relation.
4013         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4014         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4015         distance vectors of the ddr.
4016
4017 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4018
4019         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4020         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4021         IS_INTHANDLER; all callers changed.
4022         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4023         account.
4024         (do_link, do_unlink): New argument ALL; all callers changed.
4025         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4026         If function isn't leaf, save and restore all registers.
4027         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4028         exception handler.
4029
4030 2005-11-05  Jan Hubicka  <jh@suse.cz>
4031
4032         PR rtl-optimization/23490
4033         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4034         max-flow-memory-location): Document.
4035         * flow.c: Include params.h
4036         (MAX_MEM_SET_LIST_LEN): Kill.
4037         (add_to_mem_set_list): Use new param.
4038         * cse.c (cse_basic_block): Replace 1000 by new param.
4039         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4040         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4041         * predict.c (predict_loops): Use new param.
4042         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4043
4044         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4045         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4046         Do not hold memory returned by cgraph_node_name across other call.
4047
4048 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4049
4050         PR target/23424
4051         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4052         Disable.
4053
4054 2005-11-04  Jeff Law  <law@redhat.com>
4055
4056         PR/21883
4057         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4058         * tree-ssa-dom.c: Include params.h.
4059         (thread_across_edge): If there are too many statements in the
4060         target block, then do not thread through it.
4061         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4062         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4063
4064 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4065
4066         PR 24627
4067         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4068         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4069
4070 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4071
4072         PR/18595
4073         * tree-scalar-evolution.c (instantiate_parameters_1,
4074         instantiate_parameters, resolve_mixers): Compute the size of an
4075         expression to be instantiated and give up the instantiation if the
4076         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4077
4078 2005-11-04  Richard Guenther  <rguenther@suse.de>
4079
4080         * tree-flow.h (ref_contains_indirect_ref): Rename to
4081         array_ref_contains_indirect_ref.
4082         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4083         (array_ref_contains_indirect_ref): Make comment match the code
4084         and vice-versa.
4085         (ref_contains_array_ref): Likewise.
4086         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4087         ref_contains_indirect_ref.
4088         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4089         Rename calls to ref_contains_indirect_ref.
4090
4091 2005-11-04 Paul Brook  <paul@codesourcery.com>
4092
4093         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4094         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4095         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4096         * config/arm/arm.md: Use match_operand in peephole input templates
4097         and match_dup in peephole output templates.
4098
4099 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4100
4101         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4102         __aeabi_uidiv.
4103
4104 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4105             Daniel Jacobowitz  <dan@codesourcery.com>
4106
4107         * longlong.h (add_ssaaaa): Clobber condition code register
4108         in ARM version.
4109         (sub_ddmmss): Likewise.
4110         (umul_ppmm): Likewise.
4111
4112 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4113             Paul Brook  <paul@codesourcery.com>
4114             Phil Blundell  <pb@reciva.com>
4115
4116         * configure.ac: Add test for ARM TLS support.
4117         * configure: Regenerated.
4118         * config/arm/arm-protos.h (legitimize_tls_address)
4119         (arm_tls_referenced_p, tls_mentioned_p)
4120         (arm_output_addr_const_extra): New prototypes.
4121         (thumb_legitimize_pic_address): Delete.
4122         * config/arm/arm.c: Include "gt-arm.h".
4123         (enum tls_reloc): New.
4124         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4125         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4126         (arm_call_tls_get_addr, legitimize_tls_address)
4127         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4128         (arm_init_tls_builtins, arm_emit_tls_decoration)
4129         (arm_output_addr_const_extra): New functions.
4130         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4131         (TARGET_HAVE_TLS): Define.
4132         (target_thread_pointer): New.
4133         (arm_override_options): Handle -mtp=.
4134         (legitimize_pic_address): Ignore UNSPECs.
4135         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4136         relative symbols.
4137         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4138         (tls_get_addr_libfunc): New variable.
4139         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4140         (arm_init_builtins): Call arm_init_tls_builtins.
4141         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4142         (arm_encode_section_info): Call default_encode_section_info.
4143         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4144         (enum arm_tp_type): New.
4145         (target_thread_pointer): Add declaration.
4146         (LEGITIMATE_CONSTANT_P): Handle TLS.
4147         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4148         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4149         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4150         * config/arm/arm.md: Add UNSPEC_TLS.
4151         (movsi): Handle TLS.
4152         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4153         non-PIC.
4154         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4155         (load_tp_hard, load_tp_soft): New insns.
4156         * arm.opt: Add -mtp=.
4157         * doc/invoke.texi (ARM Options): Document -mtp.
4158
4159 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4160
4161         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4162         * config/arm/libunwind.S: Include "lib1funcs.asm".
4163         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4164         (LIB2ADDEH): Add libunwind.S.
4165         (LIB2ADDEHDEP): Add lib1funcs.asm.
4166         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4167
4168 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4169
4170         PR fortran/18452
4171         * gcc/c.opt: Add a -lang-fortran option.
4172         * gcc/c-opts.c: Add a lang_fortran flag.
4173         (c_common_init_options): Handling the -lang-fortran option.
4174         (c_common_handle_option): Add a case for Fortran options in
4175         preprocessing. Remove cases for -ffixed-form and
4176         -ffixed-line-length. Add a case for -lang-fortran.
4177
4178 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4179
4180         * config/rs6000/rs6000.c: Include params.h
4181         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4182         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4183         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4184         (UNSPEC_VPKUWSS): Delete.
4185         (altivec_vpkuhss): Delete.
4186         (altivec_vpkuwss): Delete.
4187         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4188         final condition.
4189         (neg_eq0<mode>): Remove final condition.
4190         (neg_eq<mode>): Remove condition and split-condition.
4191
4192 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4193
4194         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4195         Use associated print macros.
4196
4197 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4198
4199         PR c++/17964
4200         * diagnostic.c (diagnostic_set_info_translated): New function.
4201         (diagnostic_set_info): Use it.  Add comment.
4202         * diagnostic.h (diagnostic_set_info_translated): Declare.
4203
4204 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4205
4206         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4207         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4208         reference only if 'public' is true.
4209         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4210         emit the .hidden directive only if the indirect reference is public.
4211         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4212         Pass it to dw2_force_const_mem.
4213         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4214         * dwarf2out.c (output_cfi): Adjust calls to above function.
4215         (output_call_frame_info): Likewise.
4216         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4217         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4218
4219 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4220
4221         PR tree-optimization/24483
4222         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4223         field to elts if possible.
4224
4225 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4226
4227         PR middle-end/23155
4228         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4229         CONSTRUCTOR.
4230
4231 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4232
4233         Fix PR tree-optimization/24351
4234
4235         * tree-ssa-structalias.c (struct variable_info): Add
4236         collapsed_into.
4237         (get_varinfo_fc): New function to follow collapsing.
4238         (new_var_info): Set collapsed_to to NULL.
4239         (dump_constraint): Follow collapsing.
4240         (build_constraint_graph): Handle collapsing.
4241         (do_simple_structure_copy): Return false if something bad
4242         happened.
4243         (collapse_rest_of_var): New function.
4244         (do_structure_copy): Collapse if do_simple_structure_copy returns
4245         false.
4246
4247 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4248
4249         PR middle-end/24589
4250         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4251         expressions to a statement list instead of gimplifying them.
4252
4253 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4254
4255         PR rtl-optimization/23585
4256         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4257         that can't trap plus a constant integer, if the mode has zero size.
4258
4259 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4260
4261         PR target/24620
4262         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4263         as operand 2.
4264         ("*insv<mode>_reg_extimm"): Likewise.
4265
4266 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4267
4268         PR c/24329
4269         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4270         c_common_type_for_mode returns an unnamed type.
4271
4272 2005-11-02  Richard Henderson  <rth@redhat.com>
4273
4274         PR target/9350
4275         PR target/24374
4276         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4277         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4278         * function.c (assign_parms): Use calls.internal_arg_pointer.
4279         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4280         code.
4281         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4282         (TARGET_CALLS): Add it.
4283         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4284         * targhooks.c (default_internal_arg_pointer): New.
4285         * targhooks.h (default_internal_arg_pointer): Declare.
4286         * tree.h (dwarf2out_reg_save_reg): Declare.
4287         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4288         * config/i386/i386.c (dbx_register_map): Add return column.
4289         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4290         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4291         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4292         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4293         (ix86_save_reg): Save force_align_arg_pointer.
4294         (ix86_emit_save_regs): Make regno unsigned.
4295         (ix86_emit_save_regs_using_mov): Likewise.
4296         (ix86_expand_prologue): Handle force_align_arg_pointer.
4297         (ix86_expand_epilogue): Likewise.
4298         * config/i386/i386.h: (dbx_register_map): Update.
4299         (dbx64_register_map, svr4_dbx_register_map): Update.
4300         (struct machine_function): Add force_align_arg_pointer.
4301         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4302         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4303         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4304
4305 2005-11-02  Jan Hubicka  <jh@suse.cz>
4306
4307         PR target/23303
4308         * i386.md: Add peep2 for simplyfing array accesses.
4309
4310 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4311
4312         PR target/24615
4313         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4314         * config/s390/s390.c (s390_decompose_shift_count): New function.
4315         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4316         (print_shift_count_operand): Use s390_decompose_shift_count.
4317         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4318         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4319
4320 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4321
4322         PR target/24600
4323         * loop.c (loop_givs_rescan): Use force_operand to expand
4324         complex GIVs.
4325
4326 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4327
4328         PR 22429
4329         * fold-const.c (build_range_check): Use unsigned when signed
4330         overflow is undefined also.  If etype is subtype, make sure that
4331         the subtraction is in the supertype.
4332
4333 2005-11-02  Richard Henderson  <rth@redhat.com>
4334
4335         PR target/24178
4336         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4337         by MEM_ALIGN.
4338
4339 2005-11-01  Richard Henderson  <rth@redhat.com>
4340
4341         PR 21518
4342         * loop.c (scan_loop): Do not propagate computations to a hard
4343         register destination with SMALL_REGISTER_CLASSES.
4344
4345 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4346
4347         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4348         costs for MULT inside PLUS or MINUS.
4349
4350 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4351
4352         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4353         (TRAMPOLINE_SIZE): Round up to 60.
4354         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4355
4356 2005-10-31  James E. Wilson  <wilson@specifix.com>
4357
4358         PR debug/24444
4359         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4360         ifdef.  Put ifdefs around call in gen_subprogram_die.
4361         (compute_frame_pointer_to_cfa_displacement): Likewise.
4362         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4363         not defined.
4364
4365         PR rtl-optimization/17356
4366         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4367         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4368
4369 2005-10-31  Jan Hubicka  <jh@suse.cz>
4370
4371         PR middle-end/24093
4372         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4373
4374         PR target/20928
4375         * i386.c (legitimize_pic_address): Deal with large immediates.
4376
4377         PR profile/20815
4378         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4379         from symbol names while computing checkup.
4380
4381         PR profile/24487
4382         * predict.c (predict_loops): Do not estimate more than
4383         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4384         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4385
4386 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4387
4388         PR tree-optimization/19097
4389         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4390
4391 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4392
4393         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4394
4395 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4396
4397         PR middle-end/23492
4398         * tree-inline.c (setup_one_parameter): If the init_stmt
4399         is NULL, don't insert the statement.
4400
4401 2005-10-30  Jan Hubicka  <jh@suse.cz>
4402
4403         PR tree-optimization/24172
4404         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4405
4406 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4407
4408         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4409         constants for hosts with long != 32 bits.
4410
4411 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4412
4413         PR middle-end/24093
4414         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4415
4416 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4417
4418         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4419         (TARGET_MS1_16_002): New.
4420         (TARGET_MS1_16_003): New.
4421
4422         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4423         ("*decrement_and_branch_until_zero_no_clobber"): New.
4424         Add corresponding splitter for decrement_and_branch_until_zero
4425         instruction.
4426         Key all decrement_and_branch_until_zero patterns off of
4427         TARGET_MS1_16_003.
4428
4429 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4430
4431         PR middle-end/24362
4432         * tree-complex.c (extract_component): Treat RESULT_DECL
4433         like the rest of the decls.
4434
4435 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4436
4437         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4438         indirect call to _mcount if the function needs a static chain.
4439
4440 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4441             Caroline Tice  <ctice@apple.com>
4442
4443         PR rtl-optimization/24460
4444         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4445         (dwarf2out_switch_text_section): Set it to true instead of
4446         incrementing separate_line_info_table_in_use.
4447         (output_loc_list): Additionally test have_switched_text_sections.
4448         (output_ranges): Likewise.
4449         (dwarf2out_finish): Likewise.
4450         * varasm.c (assemble_start_function): Do not call
4451         insert_section_boundary_note.
4452         (assemble_end_function): If flag_reorder_blocks_and_partition,
4453         switch to the function's section before emitting the .size directive.
4454         * bb-reorder.c (insert_section_boundary_note): Staticify.
4455         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4456         * output.h (insert_section_boundary_note): Delete.
4457
4458 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4459
4460         PR c/23103
4461         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4462         instead of pointer equality when comparing types.
4463
4464 2005-10-24  James E. Wilson  <wilson@specifix.com>
4465
4466         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4467         add_dependence_list_and_free calls.
4468
4469 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4470
4471         * contrib.texi: Add the names of the LLNL folks who donated
4472         Cray pointer support for gfortran.
4473
4474 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4475
4476         PR tree-optimization/24225
4477         * profile.c (branch_prob): Look from end to start through a
4478         basic block when looking for a locus.
4479
4480 2005-10-24  Richard Henderson  <rth@redhat.com>
4481
4482         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4483         parallel.
4484         (hppa_expand_prologue): Likewise.
4485
4486 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4487
4488         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4489         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4490         * pa.h (NO_PROFILE_COUNTERS): Define.
4491         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4492         (funcdef_nos): New vector to hold label numbers of deferred profile
4493         counters.
4494         (output_deferred_profile_counters): New function.
4495         (hppa_profile_hook): Push label number onto funcdef_nos.
4496         (pa_hpux_file_end): Call output_deferred_profile_counters if
4497         NO_DEFERRED_PROFILE_COUNTERS is false.
4498
4499         * pa-protos.h (get_deferred_plabel): New prototype.
4500         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4501         Make global.
4502         (output_call): Adjust calls.
4503
4504 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4505
4506         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4507         peculiarity of GOT/TOC section usage.
4508
4509 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4510
4511         PR objc/24435
4512          * c-common.c (constant_string_class_name): Add documentation.
4513
4514 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4515
4516         PR target/23832
4517         * recog.c (peephole2_optimize): Increment peep2_current_count
4518         only when the slot is empty.
4519
4520 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4521
4522         PR ada/23957
4523         * except.c (output_function_exception_table): Call
4524         assemble_external_libcall if we need a personality function.
4525
4526 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4527
4528         PR rtl-optimization/24460
4529         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4530         set the basic block for barriers.
4531
4532 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4533
4534         * var-tracking.c (vt_initialize): Initialize post.
4535
4536 2005-10-21  Devang Patel  <dpatel@apple.com>
4537
4538         PR/24220
4539         * c-common.c (vector_types_convertible_p): Check vector element type.
4540
4541 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4542
4543         * config/sh/sh.c (prepare_move_operands): Handle the address
4544         constant which is a tls symbolic address plus a constant.
4545
4546 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4547
4548         PR driver/24473
4549         * gcc.c (main): Use the correct counter for erroring out
4550         about mulitple files.
4551
4552 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4553
4554         PR target/24465
4555         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4556         use r2 for 64-bit tls .got access.
4557
4558 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4559
4560         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4561         TRUTH_OR_EXPR.
4562
4563 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4564
4565         PR tree-optimization/24307
4566         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4567
4568 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4569
4570         PR middle-end/24295
4571         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4572         alias targets.
4573         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4574         is ready, stop marking functions, but still mark variables.
4575
4576 2005-10-20  Richard Guenther  <rguenther@suse.de>
4577
4578         PR c++/24439
4579         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4580         void type operands.
4581
4582 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4583
4584         PR rtl-optimization/23585
4585         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4586         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4587         (may_trap_p_1): New predicate extracted from...
4588         (may_trap_p): ... here.  Invoke may_trap_p_1.
4589         (may_trap_or_fault_p): New predicate.
4590         * rtl.h (may_trap_or_fault_p): Declare it.
4591         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4592         instead of may_trap_p.
4593         (steal_delay_list_from_fallthrough): Likewise.
4594         (fill_simple_delay_slots): Likewise.
4595         (fill_slots_from_thread): Likewise.
4596         * function.c (pad_to_arg_alignment): Rework comment about
4597         SPARC_STACK_BOUNDARY_HACK.
4598         * config/sparc/sparc.h: Likewise.
4599
4600 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4601
4602         * config/s390/s390.c (s390_expand_insv): New.
4603         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4604         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4605         ("icm_hi"): Remove mode attribute.
4606         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4607         Adjust all uses.
4608         ("*extracthi", "*extractqi"): Remove.
4609         (extv<mode>", "*extzv<mode>"): New.
4610         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4611         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4612
4613 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4614
4615         * cfgexpand.c (discover_nonconstant_array_refs_r,
4616         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4617         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4618         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4619         discover_nonconstant_array_refs.
4620
4621 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4622
4623         PR c/23228
4624         * c-decl.c (pop_scope): Don't warn about an unused variable
4625         if it is marked with TREE_NO_WARNING.
4626         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4627         somenow mismatch and olddecl is to be replaced.
4628
4629 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4630
4631         PR middle-end/23199
4632         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4633         whether registers live on the edge can be saved/restored.
4634
4635 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4636
4637         * config/sh/sh.c (fixup_mova): Skip notes.
4638
4639 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4640
4641         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4642         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4643         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4644         (s390_initial_elimination_offset): Likewise.
4645         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4646         register on TARGET_ZARCH targets.
4647         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4648         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4649         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4650         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4651
4652 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4653
4654         * config/s390/s390.md: Comment describing output modifiers updated.
4655         * config/s390/s390.c (print_operand): Likewise.
4656
4657 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4658
4659         * config/s390/s390.c (override_options): Added check for -mstack-size
4660         64k limitation.
4661         * doc/invoke.texi: Mention that limit in the documenation.
4662
4663 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4664
4665         PR #19672
4666         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4667
4668 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4669
4670         Fix PR tree-optimization/24231
4671
4672         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4673         (compute_avail): Ditto.
4674
4675 2005-10-18  Richard Henderson  <rth@redhat.com>
4676
4677         PR target/24428
4678         * config/i386/i386.c (legitimate_constant_p): Check
4679         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4680         if LABEL_REF.
4681         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4682         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4683         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4684         directly.
4685         (print_operand_address): Likewise.
4686         * config/i386/predicates.md (x86_64_immediate_operand): Test
4687         SYMBOL_REF_TLS_MODEL properly inside CONST.
4688         (x86_64_zext_immediate_operand): Likewise.
4689         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4690         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4691         * config/i386/i386-protos.h: Remove predicates.md entries.
4692
4693 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4694
4695         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4696         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4697
4698 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4699             Ian Lance Taylor <ian@airs.com>
4700
4701         PR middle-end/23522
4702         * fold-const.c (fold_widened_comparison): Do not allow range based
4703         constant folding when right operand cannot be unwidened.
4704
4705 2005-10-17  Richard Henderson  <rth@redhat.com>
4706
4707         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4708         with a memory clobber.
4709
4710 2005-10-17  James E Wilson  <wilson@specifix.com>
4711
4712         PR rtl-optimization/17356
4713         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4714         checking for EDGE_EH.
4715
4716 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4717
4718         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4719         the slot on an even boundary for any type with 16-byte alignment.
4720
4721 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4722
4723         PR target/23424
4724         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4725         after register allocation.
4726
4727 2005-10-17  DJ Delorie  <dj@redhat.com>
4728
4729         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4730         as frame related.
4731
4732 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4733
4734         PR c++/22551
4735         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4736         overflow flags.
4737
4738 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4739
4740         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4741         to 2 if it's already non-zero.
4742         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4743         is set and warn about it if flag_schedule_insns is 1.
4744
4745 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4746
4747         * config/crx/crx.md: Compare-and-branch instructions need to
4748         invalidate CC.
4749
4750 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4751
4752         PR target/24315
4753         * config/i386/i386.md (*pushdi2_rex64 splitter)
4754         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4755         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4756         flow2 pass only when (optimize > 0 && flag_peephole2).
4757
4758 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4759
4760         PR driver/22544
4761         * gcc.c (have_c): New static variable.
4762         (have_o): Likewise.
4763         (process_command): Remove declation of have_c.
4764         Set have_o to 1 when handling -o.
4765         (main): Add a fatel error if there are multiple
4766         files specified and -o and -c/-S is passed witout
4767         -combine or multiple languages.
4768
4769 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4770
4771         Fix PR tree-optimization/22444
4772         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4773         Assert that we don't hit something with subvars.
4774         (setup_pointers_and_addressables): Don't add things with subvars,
4775         because we'll already process the subvars for aliasing purposes.
4776
4777 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4778
4779         PR target/23424
4780         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4781         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4782         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4783         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4784         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4785         swapped, alternatives for the R constraint.
4786
4787         PR middle-end/24341
4788         * builtins.c (get_builtin_sync_mode): Make unlimited
4789         mode_for_size request.
4790
4791 2005-10-15  Richard Henderson  <rth@redhat.com>
4792
4793         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4794         (gimplify_expr): ... here.
4795         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4796         fb_lvalue in base expression.
4797
4798 2005-10-15  Richard Henderson  <rth@redhat.com>
4799
4800         PR 23714
4801         * builtins.c (expand_builtin_trap): Export.
4802         * expr.h (expand_builtin_trap): Declare.
4803         * expr.c (expand_assignment): Emit a trap for integral offsets
4804         from registers that weren't reduced to bitpos.
4805
4806         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4807         (mark_array_ref_addressable): Remove.
4808         * tree-flow.h (mark_array_ref_addressable): Remove.
4809         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4810
4811 2005-10-15  James E Wilson  <wilson@specifix.com>
4812
4813         PR target/24232
4814         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4815         (add_dependence_list_and_free): Likewise.
4816         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4817         call.
4818
4819 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4820
4821         PR 23141
4822         PR 23142
4823         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4824         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4825         anti-range.
4826         (vrp_visit_phi_node): Only prevent infinite iterations when
4827         the previous result and the new result are both VR_RANGEs.
4828
4829 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4830
4831         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4832         function comment.
4833
4834 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4835
4836         PR c/23439
4837         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4838         to initialize loc.
4839
4840 2005-10-14  Per Bothner  <per@bothner.com>
4841
4842         PR preprocessor/21250
4843         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4844
4845 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4846
4847         PR c++/22551
4848         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4849         overflow flags.  Refactor some conditionals.
4850
4851 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4852
4853         PR tree-opt/21304
4854         * tree-dfa.c (add_referenced_var): Only look at decls which
4855         have TREE_CONSTANT or TREE_READONLY set instead of if
4856         !TREE_PUBLIC or !TREE_CONSTANT.
4857
4858 2005-10-13  James E Wilson  <wilson@specifix.com>
4859
4860         * doc/invoke.texi: For -x, add f95-cpp-input.
4861         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4862
4863 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4864
4865         PR tree-optimization/24262
4866         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4867         in loop all the time.
4868
4869 2005-10-12  Richard Henderson  <rth@redhat.com>
4870
4871         PR c/24255
4872         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4873         * function.c (assign_parm_find_data_types): Don't support it.
4874         * print-tree.c (print_node): Likewise.
4875         * c-common.c (handle_transparent_union_attribute): Likewise.
4876         Use build_duplicate_type.
4877         * tree-inline.c (remap_type_1): Split out of remap_type;
4878         properly remap aggregate fields.
4879         (build_duplicate_type): New.
4880         * doc/extend.texi (Variable Attributes): Remove documentation
4881         for transparent_union.
4882
4883 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4884
4885         PR target/24284
4886         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4887         (gen_stack_pointer_dec): Likewise.
4888
4889 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4890
4891         PR middle-end/21275
4892         PR middle-end/21766
4893         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4894         target hook.
4895         (struct cxx): Add adjust_class_at_definition target hook.
4896         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4897         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4898         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4899         hook_void_tree. Add to TARGET_CXX.
4900         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4901         dllimport_flag.
4902         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4903         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4904         instead of attribute. Check for dllexport override.  Warn if
4905         inconsistent dll linkage. Don't lose old dllimport if decl has
4906         had address referenced.   Tweak lookup of dllimport atribute.
4907         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4908         for target specific rules.  Don't add dllimport attribute if
4909         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4910         dllimport attribute.
4911         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4912         * varasm.c (initializer_constant_valid_p): Replace
4913         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4914
4915         PR target/21801
4916         PR target/23589
4917         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4918         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4919         (i[34567]86-*-mingw32*): Likewise.
4920
4921         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4922         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4923
4924         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4925         C++-specific code. Change return value to bool.
4926         (i386_pe_dllimport_p): Likewise.
4927         (associated_type): Simplify and make language-independent
4928         (i386_pe_encode_section_info): Replace override of ambiguous
4929         dllimport symbol refs with a gcc_assert.
4930         (i386_pe_valid_dllimport_attribute_p): Define.
4931         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4932         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4933         i386_pe_adjust_class_at_definition.
4934         * config/i386/winnt-stubs.c: New file. Define stub versions of
4935         lang-specific functions.
4936         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4937         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4938         i386_pe_adjust_class_at_definition.
4939         (i386_pe_valid_dllimport_attribute_p): Declare.
4940         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4941         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
4942         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
4943
4944         PR target/19704
4945         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4946         dllimport attribute with test of DECL_DLLIMPORT_P.
4947
4948 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4949
4950         * combine.c (make_extraction): Correct offset computation.
4951
4952 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4953
4954         * config/cris/t-linux (LIMITS_H_TEST): Define.
4955
4956 2005-10-12  Richard Henderson  <rth@redhat.com>
4957
4958         PR rtl-opt/23324
4959         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4960
4961 2005-10-12  Richard Guenther  <rguenther@suse.de>
4962
4963         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4964
4965 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4966
4967         PR c++/19964
4968         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4969         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4970         type.
4971
4972 2005-10-12  Richard Guenther  <rguenther@suse.de>
4973
4974         PR c++/23799
4975         * varasm.c (output_constant): Correct typo from previous
4976         patch by DJ.
4977
4978 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4979
4980         PR rtl-optimization/13931
4981         * combine.c: Revert patch of 2003-05-14, and:
4982         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4983         completely killed in the appropriate insn.
4984         (distribute_notes): Don't skip multiple hard register test for
4985         elim_i1 and elim_i2.
4986
4987 2005-10-11  Richard Henderson  <rth@redhat.com>
4988
4989         PR c/24255
4990         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4991         to initialize a transparent union instead of a nop_expr.
4992
4993 2005-10-11  Richard Henderson  <rth@redhat.com>
4994
4995         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4996         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4997         (tree_ssa_dce_loop): Call scev_reset.
4998
4999         PR tree-opt/24300
5000         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5001         * tree-ssa-dce.c: Include cfgloop.h.
5002         (tree_ssa_dce_loop, pass_dce_loop): New.
5003         * tree-pass.h (pass_dce_loop): Declare it.
5004         * passes.c (init_optimization_passes): Use it.
5005
5006 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5007
5008         PR middle-end/24263
5009         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5010         Only apply the optimization for rounding builtins if the inner
5011         cast is also an extension.
5012
5013 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5014
5015         PR tree-opt/23946
5016         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5017         mark_new_vars_to_rename instead of update_stmt.
5018
5019 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5020
5021         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5022
5023 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5024
5025         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5026         for setting MMX register to 0 rather than mmx.
5027
5028 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5029
5030         PR target/12098
5031         * configure.ac: Move gas check from mips specific case to common case.
5032         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5033         * configure: Regenerate
5034         * doc/install.texi: Update.
5035
5036 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5037
5038         PR target/24284
5039         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5040
5041 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5042
5043         * gcc.c (do_spec_1): Accept numeric characters in file name
5044         suffixes.
5045
5046 2005-10-10  Nick Clifton  <nickc@redhat.com>
5047
5048         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5049         describing the deleted arm_gen_rotated_half_load function.
5050
5051 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5052
5053         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5054         __fpscr_values.
5055
5056 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5057
5058         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5059         gnu_ld assignments.
5060         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5061         (EXTRA_MULTILIB_PARTS): Define.
5062         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5063         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5064         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5065         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5066         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5067         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5068
5069 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5070
5071         PR tree-optimization/24226
5072         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5073         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5074         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5075         Export.
5076
5077 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5078
5079         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5080
5081 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5082
5083         PR target/24136
5084         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5085         Rewrite for no need for the early clobber.
5086
5087 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5088
5089         Merge from csl-arm-branch:
5090         2005-09-07  Paul Brook  <paul@codesourcery.com>
5091         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5092         space to string.
5093
5094         2005-04-30  Paul Brook  <paul@codesourcery.com>
5095         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5096         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5097
5098         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5099         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5100         (arm_override_options): Use TARGET_AAPCS_BASED.
5101         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5102         (PTRDIFF_TYPE): Use int for AAPCS.
5103         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5104         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5105         (DEFAULT_SHORT_ENUMS): Delete.
5106         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5107
5108         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5109         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5110         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5111         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5112
5113         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5114         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5115
5116         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5117         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5118
5119         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5120         * config.gcc (arm*-*-linux-gnueabi): Add it.
5121         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5122         redefining it.
5123         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5124         * config/arm/linux-eabi.h: New file.
5125         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5126         (LINUX_TARET_LINK_SPEC): Likewise.
5127         (LINK_SPEC): Use it.
5128         * config/arm/t-linux-eabi: New file.
5129
5130 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5131
5132         PR other/22202
5133         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5134         spaces.
5135         (PARAM_SMS_DFA_HISTORY): Likewise.
5136
5137 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5138
5139         PR middle-end/23150
5140         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5141         (load_register_parameters): Call it.
5142         (check_sibcall_argument_overlap_1): Likewise.
5143         (store_one_arg): Likewise.
5144
5145 2005-10-07  James E. Wilson  <wilson@specifix.com>
5146
5147         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5148         DImode not VECINT24 for operand 2.
5149
5150         PR target/23644
5151         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5152         -mtune-arch.
5153
5154         PR target/24193
5155         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5156         fr_spill): Use destination_operand for operand 0.
5157
5158 2005-10-07  DJ Delorie  <dj@redhat.com>
5159
5160         * varasm.c (output_constant): Limit error to expanding
5161         conversions.
5162
5163 2005-10-07  Richard Guenther  <rguenther@suse.de>
5164
5165         PR middle-end/24227
5166         * fold-const.c (fold_binary): Fix operand types during folding
5167         of X op (A, Y).  Evaluation order of the side-effects of
5168         X and A are frontend-defined, so ensure we honour that even for
5169         tcc_comparison class operands; eased by removing duplicate code.
5170
5171 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5172
5173         * stor-layout.c (layout_type): Do not allow alignment of array
5174         elements to be greater than their size.
5175
5176 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5177
5178         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5179         host_xmake_file.
5180         (hppa*-*-linux*): Ditto.
5181         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5182         * config/host-hpux.c: New.
5183         * config/x-hpux: New.
5184         * config/pa/x-hpux: Remove.
5185         * config/pa/x-linux: Remove.
5186         * config/pa/pa-host.c: Remove.
5187
5188 2005-10-07  Jeff Law  <law@redhat.com>
5189
5190         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5191         determine whether or not to try and thread outgoing edges.
5192
5193 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5194
5195         * config/rs6000/rs6000.md (eqsi_power): New.
5196         (neg_eq0si): Add TARGET_POWER to final condition.
5197         (neg_eqsi): Same.
5198
5199 2005-10-06  Richard Henderson  <rth@redhat.com>
5200
5201         * config/rs6000/rs6000.c: Revert last change.
5202
5203 2005-10-06  Richard Henderson  <rth@redhat.com>
5204
5205         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5206         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5207
5208 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5209
5210         PR middle-end/22216
5211         PR middle-end/23651
5212         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5213         out return_label and naked_return_label.
5214
5215 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5216
5217         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5218         change.
5219
5220 2005-10-06  Richard Henderson  <rth@redhat.com>
5221
5222         PR tree-opt/22237
5223         * tree-inline.c (declare_return_variable): Handle modify_dest not
5224         being a DECL.
5225
5226 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5227
5228         Fix PR tree-optimization/22488
5229         * tree-ssa-structalias.c (check_for_overlaps): New function.
5230         (create_variable_info_for): Use it.
5231
5232 2005-10-06  Richard Henderson  <rth@redhat.com>
5233
5234         PR debug/24070
5235         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5236         (dwarf2out_start_source_file): Print it.
5237
5238 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5239
5240         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5241
5242 2005-10-06  Richard Henderson  <rth@redhat.com>
5243
5244         PR 23706
5245         * mode-switching.c (optimize_mode_switching): Clear transp bit
5246         for block with incomming abnormal edges.
5247
5248         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5249         (fpscr_set_from_mem): Use them.
5250         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5251         (fpscr postinc splitters): Rewrite as peephole2+split.
5252
5253 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5254
5255         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5256         (eq<mode>_compare): Same.
5257
5258 2005-10-06  Richard Guenther  <rguenther@suse.de>
5259
5260         PR tree-optimization/24238
5261         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5262
5263 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5264
5265         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5266         here.  Use AC_PATH_PROG for environment variables instead of
5267         test -x.
5268         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5269         objdump also.
5270         * configure: Regenerated.
5271
5272 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5273
5274         PR target/23783
5275         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5276         then force it into a register.
5277         (call_value): Likewise.
5278
5279 2005-10-06  Richard Henderson  <rth@redhat.com>
5280
5281         PR 24049
5282         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5283         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5284         under pass_vectorize.
5285
5286 2005-10-05  Devang Patel  <dpatel@apple.com>
5287
5288         PR Debug/23205
5289         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5290         handling constants. Check NAMESPACE_DECL context for constants.
5291
5292 2005-10-05  Eric Christopher  <echristo@apple.com>
5293
5294         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5295
5296 2005-10-05  Richard Henderson  <rth@redhat.com>
5297
5298         PR 23714
5299         * tree-cfg.c (mark_array_ref_addressable_1): New.
5300         (mark_array_ref_addressable): New.
5301         * tree-flow.h (mark_array_ref_addressable): Declare.
5302         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5303
5304 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5305
5306         PR middle-end/20606
5307         PR middle-end/24069
5308         * reload.c (subst_reloads): When adding a REG_LABEL to a
5309         jump instruction, also update JUMP_LABEL.
5310
5311 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5312
5313         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5314         * bb-reorder.c (copy_bb_p): Use it.
5315         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5316
5317 2005-10-05  Richard Henderson  <rth@redhat.com>
5318
5319         PR target/23602
5320         * toplev.c (process_options): Warn about unsupported combinations
5321         of unwind tables and omit-frame-pointer.
5322         * config/i386/i386.c (override_options): Similarly.  Enable
5323         accumulate-outgoing-args if not explicitly disabled.
5324
5325 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5326
5327         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5328         Handle big endian vs. small endian.
5329         (vec_initv2sf): Handle big endian vs. small endian.
5330         (*vec_extractv2sf_1): Ditto.
5331
5332 2005-10-05  Dale Johannesen  <dalej@apple.com>
5333
5334         * convert.c (convert_to_real):  Don't convert
5335         (float)floor(double d) to floorf((float)d).
5336
5337 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5338
5339         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5340
5341 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5342
5343         PR tree-optimization/18587
5344         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5345         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5346         build_vuses): Change to VEC type.
5347         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5348         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5349         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5350         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5351         (get_name_decl): New.  Return DECL_UID of base variable.
5352         (operand_build_cmp): New.  qsort comparison routine.
5353         (operand_build_sort_virtual): New.  Sort virtual build vector.
5354         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5355         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5356         (FINALIZE_BASE): Use get_name_decl.
5357         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5358         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5359         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5360         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5361         direct VEC_* manipulations.
5362         (build_ssa_operands): Call operand_build_sort_virtual.
5363         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5364         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5365         with direct VEC_* manipulations.
5366         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5367         with direct VEC manipulations.
5368
5369 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5370
5371         PR tree-optimization/21419
5372         PR tree-optimization/24146
5373         PR tree-optimization/24151
5374
5375         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5376         (build_asm_expr): Call it if outputs are read-only.
5377         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5378
5379 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5380             Paolo Bonzini  <bonzini@gnu.org>
5381
5382         PR target/23809
5383
5384         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5385         enable the instructions and not just the built-ins.
5386         * doc/invoke.texi (x86 Options): Likewise.
5387
5388 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5389
5390         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5391
5392         * doc/invoke.texi (Option Summary): Correct spelling
5393         of -mmacosx-version-min.
5394
5395 2005-10-04  Devang Patel  <dpatel@apple.com>
5396
5397         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5398         real types.
5399
5400 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5401
5402         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5403         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5404
5405 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5406
5407         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5408         ("TE","tg"): New mode attributes.
5409         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5410         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5411         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5412         dword_mode and one for GPRmode.
5413
5414 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5415
5416         PR preprocessor/13726
5417         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5418         any comments passed in.
5419
5420 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5421
5422         * tree.c (annotate_with_file_line): Fix typo.
5423
5424 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5425
5426         PR ada/19382
5427         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5428         type used to access data in the inlined length == 1 case, use
5429         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5430         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5431
5432 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5433
5434         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5435         TARGET_SSE3 and only for TARGET_80387.
5436         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5437         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5438         Do not depend on TARGET_80387.
5439
5440 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5441
5442         * tree.c (last_annotated_node): Change type to location_t*.
5443         (annotate_with_file_line): Reflect the change of
5444         last_annotated_node type.
5445
5446 2005-10-04  Richard Guenther  <rguenther@suse.de>
5447
5448         PR c/23576
5449         * c-decl.c (grokdeclarator): Don't write to fields
5450         of error_mark_node.
5451
5452 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5453
5454         PR middle-end/23125
5455         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5456         register variables.
5457         * varasm.c (make_decl_rtl): If a register variable does not
5458         have a set user assmbler name, error out.
5459         Decode the asmspec is now name+1 bypassing '*'.
5460
5461 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5462
5463         PR tree-optimization/23049
5464         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5465         of a COND_EXPR is folded before calling fold on the whole rhs of a
5466         conditional assignment.
5467         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5468         document that a COND_EXPR may appear there.
5469
5470 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5471
5472         PR 23445
5473         * tree-vrp.c (extract_range_from_assert): If the new numeric
5474         range created out of the assertion contradicts the existing
5475         numeric range of the ASSERT_EXPR variable, make the new range
5476         varying.
5477
5478 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5479
5480         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5481         from T_REGS to FP register class.
5482
5483 2005-10-03  Richard Henderson  <rth@redhat.com>
5484
5485         PR 24135
5486         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5487         before creating a new one.
5488
5489 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5490
5491         * config/rs6000/t-aix43 (LDFLAGS): New.
5492         * config/rs6000/t-aix52 (LDFLAGS): New.
5493
5494 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5495
5496         * gimplify.c (find_single_pointer_decl_1): New static function.
5497         (find_single_pointer_decl): New static function.
5498         (internal_get_tmp_var): For a formal variable, set restrict base
5499         information if appropriate.
5500         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5501         return it.
5502         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5503         (DECL_GET_RESTRICT_BASE): Define.
5504         (SET_DECL_RESTRICT_BASE): Define.
5505         (decl_restrict_base_lookup): Declare.
5506         (decl_restrict_base_insert): Declare.
5507         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5508         * tree.c (restrict_base_for_decl): New static variable.
5509         (init_ttree): Initialize restrict_base_for_decl.
5510         (copy_node_stat): Copy restrict base information.
5511         (decl_restrict_base_lookup): New function.
5512         (decl_restrict_base_insert): New function.
5513         (print_restrict_base_statistics): New static function.
5514         (dump_tree_statistics): Call print_restrict_base_statistics.
5515
5516 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5517
5518         PR 24142
5519         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5520         case of anti-ranges.
5521
5522 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5523
5524         PR c/18851
5525         * c-typeck.c (tagged_tu_seen): Rename to ...
5526         (tagged_tu_seen_cache): this and add val field.
5527         (comptypes): Move functional to comptypes_internal
5528         and free tagged_tu_seen.
5529         (comptypes_internal): New function and call comptypes_internal
5530         instead of comptypes. Speed up by sibcalling
5531         tagged_types_tu_compatible_p.
5532         (alloc_tagged_tu_seen): New function
5533         (free_all_tagged_tu_seen_up_to): New function.
5534         (tagged_types_tu_compatible_p): Return the val of the seen two
5535         types.
5536         Add that the two types are the same to tagged_tu_seen_base
5537         if they are and call comptypes_internal instead of comptypes.
5538         <case UNION_TYPE>: Speed up common type where the fields are
5539         in the same order.
5540         (function_types_compatible_p): Call comptypes_internal instead of
5541         comptypes.
5542         (type_lists_compatible_p): Likewise.
5543         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5544
5545 2005-10-02  Matthias Klose  <doko@debian.org>
5546
5547         * doc/invoke.texi: Fix typo and speling error.
5548
5549 2005-10-01  Richard Henderson  <rth@redhat.com>
5550
5551         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5552
5553 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5554
5555         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5556         using --start-group and --end-group.
5557
5558 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5559
5560         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5561         FIXME note regarding quirky semantics.
5562
5563 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5564
5565         PR 24141
5566         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5567         non-null range as a last resort.
5568
5569 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5570             Diego Novillo  <dnovillo@redhat.com>
5571
5572         PR 23604
5573         * tree-vrp.c (extract_range_from_assert): For !=
5574         assertions, only build an anti-range if LIMIT is a
5575         single-valued range.
5576
5577 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5578
5579         * arm.md (movqi): On thumb when optimizing, handle loading from
5580         memory by describing this as taking a subreg of a zero-extended load
5581         into an SImode register.
5582         (movhi): Likewise.
5583
5584 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5585
5586         * reload1.c (merge_assigned_reloads): Do not change any
5587         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5588
5589 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5590
5591         * Makefile.in (LIPO_FOR_TARGET): Define.
5592         (STRIP_FOR_TARGET): Define.
5593
5594         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5595         before creating new ones.  Do symlinks before creating the actual
5596         targets.
5597
5598         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5599         to work out which multilibs are actually being built.
5600
5601 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5602
5603         * tree-vect-transform.c, config/ms1/ms1.md,
5604         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5605         Follow spelling conventions.
5606         * doc/invoke.texi, doc/md.texi: Fix typos.
5607
5608 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5609
5610         PR tree-optimization/21430
5611         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5612         use operands, and set stmt pointer if need be.
5613         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5614         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5615         present.
5616
5617 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5618
5619         PR middle-end/24053
5620         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5621
5622 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5623
5624         * optabs.c (expand_binop): Initialize first_pass_p.
5625
5626 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5627
5628         PR middle-end/24109
5629         * c-decl.c (c_write_global_declarations_1): If any
5630         wrapup_global_declaration_2 call returned true, restart the loop.
5631
5632 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5633
5634         Fix PR tree-optimization/24117
5635         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5636         before considering whether to use anyoffset.
5637
5638 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5639
5640         Revert this patch:
5641
5642         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5643
5644         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5645         to order operands.
5646         (swap_commutative_operands_with_target): New.
5647
5648 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5649
5650         PR c/21419
5651         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5652         read-only.
5653
5654 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5655
5656         PR tree-optimization/23911
5657         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5658         and IMAGPART_EXPR too.
5659
5660 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5661
5662         PR 17886
5663         * expmed.c (expand_shift): Move logic to reverse rotation
5664         direction when  rotating by constants ...
5665         * optabs.c (expand_binop): ... here.
5666         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5667         (ix86_rotrdi3): New pattern.
5668         (rotldi3): Handle 32-bit mode.
5669         (ix86_rotldi3): New pattern.
5670
5671 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5672
5673         PR target/24102
5674         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5675         check for numbers that need no bit twiddle.
5676
5677 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5678
5679         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5680         multilib to be built.
5681
5682         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5683         (stage1-start): Delete old libgcc and libunwind before moving
5684         anything into the stage directory.
5685         (stage2-start): Likewise.
5686         (stage3-start): Likewise.
5687         (stage4-start): Likewise.
5688         (stageprofile-start): Likewise.
5689         (stagefeedback-start): Likewise.
5690         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5691         header in tm_file and CPU-specific t-darwin in tmake_file.
5692         (i[34567]86-*-darwin*): Don't change tm_file.
5693         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5694         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5695         shared library stub for target OS version.
5696         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5697         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5698         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5699         (libgcc_s.%.dylib): New.
5700         (LIBGCC): Define.
5701         (install-darwin-libgcc-stubs): New.
5702         (INSTALL_LIBGCC): New append.
5703         * config/i386/darwin-libgcc.10.4.ver: New.
5704         * config/i386/darwin-libgcc.10.5.ver: New.
5705         * config/i386/t-darwin: New.
5706         * config/rs6000/darwin-libgcc.10.4.ver: New.
5707         * config/rs6000/darwin-libgcc.10.5.ver: New.
5708         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5709         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5710
5711 2005-09-28  Paul Brook  <paul@codesourcery.com>
5712
5713         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5714         denormals.
5715
5716 2005-09-28  Richard Guenther  <rguenther@suse.de>
5717
5718         PR tree-optimization/23853
5719         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5720         host_integerp to verify misalignment value.
5721
5722 2005-09-28  Richard Henderson  <rth@redhat.com>
5723
5724         * builtins.c (get_builtin_sync_mode): New.
5725         (expand_builtin_sync_operation): Pass in mode argument.
5726         (expand_builtin_compare_and_swap): Likewise.
5727         (expand_builtin_lock_test_and_set): Likewise.
5728         (expand_builtin_lock_release): Likewise.
5729         (expand_builtin): Update to match.
5730
5731 2005-09-28  Nick Clifton  <nickc@redhat.com>
5732
5733         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5734         formatting.  Add check to PLUS case to ensure that the offset is
5735         within an acceptable range.
5736
5737         * config/v850/v850.md (casesi): Disable the generation of the
5738         switch pattern as it is not being handled properly at the moment.
5739
5740         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5741         for when the high words are identical.
5742
5743 2005-09-27  Richard Henderson  <rth@redhat.com>
5744
5745         * pretty-print.c (pp_base_format): Fix typo for %>.
5746
5747 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5748             Devang Patel  <dpatel@apple.com>
5749
5750         PR tree-optimization/23625
5751         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5752         LABEL_EXPR, assertion check.
5753
5754 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5755
5756         * optabs.c (no_conflict_move_test): Check if a result of a
5757         to-be-moved insn would be clobbered by an originally
5758         preceding insn.
5759
5760 2005-09-27  Jeff Law  <law@redhat.com>
5761
5762         * passes.c (init_optimization_passes): Replace copy propagation
5763         passes immediately after DOM with phi-only copy propagation
5764         pases.  Add phi-only copy propagation pass after first DOM pass.
5765         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5766         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5767         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5768         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5769         to init_copy_prop.  Callers updated.
5770         (do_phi_only_copy_prop): New function.
5771         (pass_phi_only_copy_prop): New pass descriptor.
5772
5773 2005-09-27  Nick Clifton  <nickc@redhat.com>
5774
5775         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5776
5777 2005-09-26  Jason Merrill  <jason@redhat.com>
5778
5779         PR c++/13764
5780         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5781
5782         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5783
5784 2005-09-26  James E Wilson  <wilson@specifix.com>
5785
5786         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5787         copyright.  Add gcc copyright plus libgcc exception.
5788         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5789         copyright.
5790         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5791
5792 2005-09-26  Jeff Law  <law@redhat.com>
5793
5794         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5795         about when to iterate.
5796
5797 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5798
5799         PR target/23847
5800         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5801         for __complex__ double in -mcpu=G5 mode.
5802
5803 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5804
5805         PR tree-optimization/23942
5806         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5807         * tree-scalar-evolution.c: Include params.h.
5808         (t_bool): New enum.
5809         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5810         follow_ssa_edge_in_condition_phi_branch,
5811         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5812         Change return type to t_bool.  Use a parameter to limit the size of
5813         trees that are walked before stopping
5814         (analyze_evolution_in_loop): Initialize the limit to 0.
5815         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5816         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5817
5818 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5819
5820         PR middle-end/23831
5821         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5822         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5823
5824 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5825
5826         * combine.c (make_extraction): Check for valid use of subreg.
5827
5828 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5829
5830         PR target/24055
5831         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5832         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5833         ("fist<mode>2_with_temp"): Use only register operands.
5834
5835 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5836
5837         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5838         CALL_INSN_FUNCTION_USAGE.
5839
5840 2005-09-26  Richard Guenther  <rguenther@suse.de>
5841
5842         PR middle-end/15855
5843         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5844         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5845         (ldst_entry): Use the hashtable instead of list-walking.
5846         (find_rtx_in_ldst): Likewise.
5847         (free_ldst_entry): Free the hashtable.
5848         (compute_ld_motion_mems): Create the hashtable.
5849         (trim_ld_motion_mems): Remove entry from hashtable if
5850         removing it from list.
5851         (compute_store_table): Likewise^2.
5852         (store_motion): Free hashtable in case we did not see
5853         any stores.
5854
5855 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5856
5857         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5858         and arg1 if we are passing them to fold_build2.
5859
5860 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5861
5862         PR 23828
5863         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5864         a nested function.
5865
5866 2005-09-25  Richard Henderson  <rth@redhat.com>
5867
5868         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5869         SYMBOL_REF_TLS_MODEL to be correct.
5870
5871 2005-09-24  Richard Henderson  <rth@redhat.com>
5872
5873         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5874         end of function.  Reindent.
5875
5876 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5877
5878         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5879         NEGATE_EXPR/BIT_NOT_EXPR case.
5880
5881 2005-09-24  Richard Henderson  <rth@redhat.com>
5882
5883         * c-common.c (handle_mode_attribute): When not modifying in place,
5884         create subtypes for enumerations.
5885         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5886         * gimplify.c (create_tmp_from_val): Likewise.
5887
5888 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5889
5890         * config/i386/i386.md (*tls_global_dynamic_64,
5891         *tls_local_dynamic_base_64): Add missing mode to call.
5892         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5893
5894 2005-09-24  Jan Hubicka  <jh@suse.cz>
5895
5896         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5897         (cgraph_clone_node): Likewise.
5898         * cgraph.h (cgraph_clone_edge): Update prototype.
5899         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5900         duplicated prototypes; add updating argument.
5901         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5902         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5903         updating profile.
5904         (cgraph_mark_inline_edge): Likewise.
5905         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5906         (cgraph_flatten_node): Likewise.
5907         (cgraph_decide_recursive_inlining): Likewise.
5908         (cgraph_decide_inlining_of_small_function): Likewise.
5909         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5910
5911 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5912             Pete Steinmetz <steinmtz@us.ibm.com>
5913
5914         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5915         (rldic.): Set type to "compare".
5916         (rldicr.): Same.
5917         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5918         mfjmpr for MFCTR/MFLR.
5919         (movdf_hardfloat64): Same.
5920         (movdf_softfloat64): Same.  Correct order of store and move types.
5921         (movti_string): Set type to store_ux/load_ux.
5922         (load_multiple): Set type to load_ux.
5923         (store_multiple): Set type to store_ux.
5924         (movmemsi): Set type to store_ux.
5925         (output_cbranch direct_return): Set type to jmpreg.
5926         (stmw): Set type to store_ux.
5927         (lmw): Set type to load_ux.
5928         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5929         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5930         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5931         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5932         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5933         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5934         (rios1-fpstore): Increase latency to 3.
5935         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5936         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5937
5938 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5939             Andrew Pinski  <pinskia@physics.uc.edu>
5940
5941         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
5942         operand2 constraint to "b".
5943         (sync_<fetchop_name>di_internal): Same.
5944         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5945         to "b".
5946         (sync_old_<fetchop_name>di_internal): Same.
5947         (sync_new_<fetchop_name>si_internal): Same.
5948         (sync_new_<fetchop_name>di_internal): Same.
5949
5950 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5951
5952         PR middle-end/23991
5953         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5954         case, define as macros.
5955
5956         PR rtl-optimization/23837
5957         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5958         clobber / clobber match between dest and p->first.
5959
5960         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5961         (no_conflict_move_test): Update comments.
5962
5963 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5964
5965         * doc/install.texi: Update URL for Jacks.
5966         * doc/sourcebuild.texi: Likewise.
5967
5968 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5969
5970         PR target/24007
5971         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5972         registers when choosing register preferences.
5973         (movdf_hardfloat64): Same.
5974
5975 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5976
5977         * expmed.c (expand_shift): Don't use the target of the rotate as
5978         target for the first expanded shift insn.
5979         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5980
5981 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5982
5983         PR tree-optimization/22438
5984         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5985         preserved iv rhs rewriting specially.
5986
5987 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5988
5989         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5990         estimate_only  is true.
5991         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5992         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5993         tree-ssa-structalias.c
5994         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5995         ref_contains_indirect_ref.
5996         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5997
5998 2005-09-21  DJ Delorie  <dj@redhat.com>
5999
6000         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6001         MASK_PTR_A0D0.
6002         (mn10300_return_in_memory): Support variable size types also.
6003         (mn10300_pass_by_reference): Likewise.
6004         (mn10300_function_value): New.
6005         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6006         (FUNCTION_OUTGOING_VALUE): Likewise.
6007         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6008         * doc/invoke.texi: Document it.
6009
6010 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6011
6012         PR target/22585
6013         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6014         force integer op1 into register for XFmode compares.
6015
6016 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6017
6018         PR middle-end/23971
6019         * expmed.c (alg_code): Add alg_impossible.
6020         (alg_hash_entry): Add cost.
6021         (synth_mult): Record alg_impossible in the hash table if
6022         multiplication by a given integer is impossble within the
6023         limit.  Speed up using alg_impossible.
6024
6025 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6026
6027         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6028         argument.  Allow and set any offset if needs_anyoffset is passed
6029         in.
6030         (get_constraint_for): Add argument here too.
6031         Pass it down.
6032         (do_structure_copy): Pass NULL to get_constraint_for.
6033         (handle_ptr_arith): Ditto.
6034         (find_func_aliases): Ditto.
6035
6036 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6037
6038         PR rtl-optimization/23898
6039         * output.h (get_attr_min_length): Declare.
6040         * final.c (get_attr_length_1): New function, broken out of:
6041         (get_attr_length).
6042         (get_attr_min_length): New function.
6043         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6044         (duplicate_computed_gotos): Likewise.
6045         * genattr.c (insn_min_length): Generate declaration.
6046         * genattrtab.c (min_fn, min_attr_value): New functions.
6047         (make_length_attrs): Generate insn_min_length.
6048
6049 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6050
6051         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6052
6053 2005-09-20  Richard Henderson  <rth@redhat.com>
6054
6055         PR tree-optimization/24059
6056         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6057         EXPAND_STACK_PARM.
6058
6059 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6060
6061         * c.opt (fextended-identifiers): New.
6062         * c-opts.c (c_common_handle_option): Handle
6063         -fextended-identifiers.
6064         * doc/cpp.texi: Update documentation of extended identifiers.
6065         * doc/cppopts.texi (-fextended-identifiers): Document.
6066
6067 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6068
6069         PR tree-optimization/23929
6070         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6071         if expr is NULL.
6072
6073         PR tree-optimization/23818
6074         * tree-stdarg.c (execute_optimize_stdarg): Call
6075         calculate_dominance_info.
6076
6077 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6078
6079         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6080         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6081         (compute_overlap_steps_for_affine_1_2): Use
6082         get_number_of_iters_for_loop.
6083         (analyze_subscript_affine_affine): Check whether difference is
6084         zero first.
6085         Use get_number_of_iters_for_loop.
6086         Check whether overlap occurs outside of bounds.
6087         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6088
6089 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6090
6091         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6092         base register if possible.
6093
6094 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6095
6096         PR tree-optimization/18463
6097         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6098         converting it directly is not possible.
6099         (chrec_convert_aggressive): New function.
6100         * tree-chrec.h (chrec_convert_aggressive): Declare.
6101         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6102         Fold chrec conversions aggressively if asked to.
6103         (instantiate_parameters): Modified because of changes in
6104         instantiate_parameters_1.
6105
6106 2005-09-19  Richard Henderson  <rth@redhat.com>
6107
6108         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6109         (reduc_splus_v2df): New.
6110
6111 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6112
6113         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6114         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6115
6116 2005-09-19  Richard Henderson  <rth@redhat.com>
6117
6118         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6119         vcondu<SSEMODE12>.
6120
6121 2005-09-19  Richard Henderson  <rth@redhat.com>
6122
6123         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6124         (ia64_expand_dot_prod_v8qi): New.
6125         * config/ia64/ia64-protos.h: Update.
6126         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6127         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6128         sdot_prodv8qi, sdot_prodv4hi): New.
6129         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6130
6131 2005-09-19  Richard Henderson  <rth@redhat.com>
6132
6133         PR 23941
6134         * real.c (exact_real_truncate): Return false if the format cannot
6135         represent the number as a normal.
6136
6137         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6138         for a memory source.
6139
6140 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6141
6142         * tree-ssa-operands.c (swap_tree_operands): Export.
6143         * tree.h (swap_tree_operands): Declare.
6144         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6145         Call swap_tree_operands.
6146
6147 2005-09-19  Richard Henderson  <rth@redhat.com>
6148
6149         * tree-flow.h (merge_alias_info): Declare.
6150         * tree-ssa-copy.c (merge_alias_info): Export.
6151         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6152         (vect_create_data_ref_ptr): Use create_iv directly.
6153         (vectorizable_load): Use correct types for integer constants.
6154         (vect_generate_tmps_on_preheader): Likewise.
6155         (vect_gen_niters_for_prolog_loop): Likewise.
6156
6157 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6158
6159         PR rtl-optimization/23943
6160         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6161
6162 2005-09-18  Jan Hubicka  <jh@suse.cz>
6163
6164         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6165
6166 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6167
6168         * varasm.c (output_constant): Do not abort on conversions to union
6169         types between different sizes.
6170
6171 2005-09-18  Richard Guenther  <rguenther@suse.de>
6172
6173         PR middle-end/23944
6174         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6175         fallback.
6176
6177 2005-09-18  Paul Brook  <paul@codesourcery.com>
6178
6179         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6180
6181 2005-09-17  Richard Henderson  <rth@redhat.com>
6182
6183         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6184         * tree-ssa-loop.c (pass_vect_dce): Remove.
6185         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6186         of pass_vectorize.
6187
6188 2005-09-17  Richard Henderson  <rth@redhat.com>
6189
6190         * tree-pass.h (pass_vect_dce): Declare.
6191         * passes.c (init_optimization_passes): Add it.
6192         * tree-flow.h (tree_ssa_dce): Declare.
6193         * tree-ssa-dce.c (tree_ssa_dce): Export.
6194         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6195         (gate_tree_vectorize): ... here.
6196         (pass_vect_dce): New.
6197
6198 2005-09-17  Jan Hubicka  <jh@suse.cz>
6199
6200         * except.c (struct eh_status): Turn region_array into vec.
6201         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6202         convert_from_eh_region_ranges, find_exception_handler_labels,
6203         current_function_has_exception_handlers, assign_filter_values,
6204         build_post_landing_pads, dw2_build_landing_pads,
6205         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6206         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6207         foreach_reachable_handler, can_throw_internal_1,
6208         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6209         region_array.
6210         (duplicate_eh_region_1): Update region_array.
6211         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6212
6213 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6214
6215         PR middle-end/22067
6216         * expmed.c (expand_mult): Substitute simple register for op0 when
6217         computing max_cost.
6218
6219 2005-09-17  Richard Henderson  <rth@redhat.com>
6220
6221         * expr.c (emit_move_via_integer): Add force argument, pass it on
6222         to emit_move_change_mode.  Update callers.
6223         (emit_move_complex): Pass true to new force argument.
6224         * function.c (expand_function_end): Move expand_eh_return call
6225         earlier.  Merge sub-word complex values into a pseudo before
6226         copying to the return hard register.
6227
6228 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6229
6230         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6231         between different sizes.
6232
6233 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6234
6235         PR 23903
6236
6237         * passes.c (init_optimization_passes): Register dump files for
6238         IPA passes first.
6239
6240 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6241
6242         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6243         * config/s390/s390.c (s390_overlap_p): New function.
6244         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6245         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6246         condition.
6247
6248 2005-09-16  Richard Guenther  <rguenther@suse.de>
6249
6250         * ipa-pure-const.c (static_execute): Free auxiliar information.
6251         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6252         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6253
6254 2005-09-15  DJ Delorie  <dj@redhat.com>
6255
6256         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6257
6258 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6259
6260         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6261         to order operands.
6262         (swap_commutative_operands_with_target): New.
6263
6264 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6265
6266         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6267         parameter.
6268         Update callers.
6269         (estimate_iters_using_array): New function.
6270         * tree-data-ref.h (estimate_iters_using_array): Prototype
6271         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6272         Use estimate_iters_using_array instead of analyze_array.
6273
6274 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6275
6276         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6277         as addressable.
6278
6279 2005-09-15  Michael Matz  <matz@suse.de>
6280
6281         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6282
6283 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6284
6285         PR tree-optimization/23835
6286         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6287         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6288
6289 2005-09-14  Richard Henderson  <rth@redhat.com>
6290
6291         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6292         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6293
6294 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6295
6296         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6297         in the ARRAY_TYPE case.
6298
6299 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6300
6301         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6302
6303 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6304
6305         PR middle-end/22480
6306         * tree-vect-transform.c (vectorizable_operation): Return false for
6307         scalar shift operations and for vector shift operations with
6308         non-invariant shift arguments.  Use scalar tree operand op1 as
6309         a shift operand when vector shift insn pattern uses scalar shift
6310         operand.
6311         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6312
6313 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6314
6315         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6316         value if it has side-effects.
6317
6318 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6319
6320         PR target/22068
6321         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6322
6323 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6324
6325         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6326         passed as NAME as if it were label at start of function code.
6327
6328 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6329
6330         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6331         the constraints.
6332
6333 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6334
6335         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6336         as early clobber.  Rewrite so the PIC register is not implicitly used.
6337
6338 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6339
6340         * tree.c (annotate_with_file_line): Compare line numbers before
6341         file names.
6342
6343 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6344
6345         PR target/23816
6346         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6347         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6348
6349 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6350
6351         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6352         than a HOST_WIDEST_INT to gen_doloop_begin.
6353
6354 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6355
6356         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6357
6358 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6359
6360         PR tree-optimize/23817
6361         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6362
6363 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6364
6365         PR target/23774
6366         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6367         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6368         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6369         (restore_stack_nonlocal): Likewise.
6370         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6371
6372 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6373
6374         PR g++/7874
6375         * c.opt (ffriend-injection): New C++ option.
6376         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6377         (C++ Dialect Options): Document -ffriend-injection.
6378
6379 2005-09-12  Josh Conner  <jconner@apple.com>
6380
6381         PR middle-end/23237
6382         * ipa-reference.c (static_execute): Don't mark variables in
6383         named sections TREE_READONLY.
6384
6385 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6386
6387         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6388         stack_tie.
6389
6390 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6391
6392         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6393         V_MUST_DEF instead of just the first_use_p.
6394         Don't mark the virtual variables for renaming on the statement which
6395         is being removed.
6396         (pass_dse): Remove TODO_update_ssa.
6397
6398 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6399
6400         PR middle-end/23290
6401         * stor-layout.c (compute_record_mode): For records with a single
6402         field, actually check the field's mode size against the type size.
6403
6404         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6405         registers for TARGET_SHMEDIA.
6406         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6407         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6408         of GENERAL_REGS and FP_REGS.
6409
6410 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6411
6412         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6413
6414 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6415
6416         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6417         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6418         are omitted.  Exclude stack_tie insn too.
6419
6420 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6421
6422         PR rtl-optimization/23098
6423         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6424         0.0f is easy.
6425         * config/rs6000/rs6000.md (movdf splitter): Use
6426         const_double_operand predicate for TARGET_POWERPC64.
6427         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6428         SYMBOL_REF method to ABI_V4.
6429
6430         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6431         replace_equiv_address.
6432         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6433         rs6000_sr_alias_set and MEM_NOTRAP.
6434         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6435
6436 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6437
6438         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6439         handle CALL_EXPR again.
6440
6441 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6442
6443         * arm/predicates.md (alignable_memory_operand): Delete.
6444
6445 2005-09-10  Richard Henderson  <rth@redhat.com>
6446
6447         PR debug/23806
6448         * dbxout.c (dbxout_expand_expr): New.
6449         (dbxout_symbol): Use it.
6450
6451 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6452
6453         * arm.c (arm_gen_rotated_half_load): Delete.
6454         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6455         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6456         (thumb_set_return_address): Likewise.
6457         (thumb_load_double_from_address): Use adjust_address.
6458         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6459         (extendhsisi2_mem, movhi_bytes): Use change_address.
6460         (movhi): Use widen_memory_access.
6461         (reload_out_df): Use replace_equiv_address.
6462         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6463
6464 2005-09-09  Richard Henderson  <rth@redhat.com>
6465
6466         PR debug/20998
6467         * dbxout.c: Include expr.h.
6468         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6469         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6470         * Makefile.in (dbxout.o): Add EXPR_H.
6471
6472 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6473
6474         PR tree-optimization/23509
6475         * tree-cfg.c (replace_uses_by): Use replace_exp.
6476         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6477         pointers have name_mem_tag or type_mem_tag set.
6478
6479 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6480
6481         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6482         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6483         of wrongly accessing operands.
6484
6485 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6486
6487         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6488         * tree-chrec.c: Include tree-scalar-evolution.h.
6489         (chrec_convert): Instantiate the base and step before calling
6490         scev_probably_wraps_p that would fail on parametric evolutions.
6491         Collect all the fails into a single section failed_to_convert,
6492         print a diagnostic, and return chrec_dont_know instead of calling
6493         fold_convert.
6494         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6495         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6496         phi nodes.
6497         (scev_const_prop): Don't replace the definition of a loop closed ssa
6498         phi node by itself, or by another loop closed ssa phi node.
6499         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6500         that base and step are defined.
6501
6502 2005-09-09  Richard Guenther  <rguenther@suse.de>
6503
6504         PR c++/23624
6505         * fold-const.c (fold_ternary): Check truth_value_p before
6506         calling invert_truthvalue.
6507
6508 2005-09-09  Nick Clifton  <nickc@redhat.com>
6509
6510         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6511         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6512         dimension of these arrays.
6513         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6514         these arrays.
6515         * longlong.h: Only provide a prototype for the __clz_tab[] array
6516         if this header has not been included from libgcc2.h.
6517         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6518         defining own types.
6519         Provide prototypes for exported functions.
6520         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6521         libgcc2.c.
6522
6523 2005-09-08  Josh Conner  <jconner@apple.com>
6524
6525         PR c++/21135
6526         PR c++/23180
6527         * expr.c (expand_expr_addr_expr_1): Don't invoke
6528         expand_simple_binop for EXPAND_INITIALIZER.
6529
6530 2005-09-08  Richard Henderson  <rth@redhat.com>
6531
6532         PR debug/23190
6533         * toplev.c (wrapup_global_declaration_1): Split out ...
6534         (wrapup_global_declaration_2): ... from ...
6535         (wrapup_global_declarations): ... here.  Return bool.
6536         (check_global_declaration_1): Split out ...
6537         (check_global_declarations): from here.
6538         (emit_debug_global_declarations): New.
6539         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6540         check_global_declaration_1, emit_debug_global_declarations): Declare.
6541         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6542         of decls.  Call wrapup_global_declaration_1,
6543         wrapup_global_declaration_2, check_global_declaration_1 directly.
6544         (c_write_global_declarations_2): New.
6545         (ext_block): New.
6546         (c_write_global_declarations): Call c_write_global_declarations_2.
6547         * langhooks.c (write_global_declarations): Call
6548         emit_debug_global_declarations.
6549
6550         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6551         remove decls that have DECL_RTL_SET_P.
6552         * passes.c (rest_of_decl_compilation): Invoke
6553         cgraph_varpool_finalize_decl for all but functions.
6554
6555 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6556
6557         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6558         the result of a conversion if the new min and max cannot be compared.
6559
6560 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6561
6562         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6563         (override_options): Setting s390_sr_alias_set removed.
6564         (save_fpr, save_gprs): Set alias set to vararg or frame.
6565         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6566         s390_sr_alias_set with get_frame_alias_set ().
6567         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6568         get_varargs_alias_set ().
6569
6570 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6571
6572         PR objc/20574
6573         PR objc/19324
6574         * c-parser.c (c_parser_objc_method_definition): If the next
6575         token is not "{", error out and don't start the function.
6576
6577 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6578
6579         * tree-vrp.c (extract_range_from_expr): Move the check for non
6580         nullness after the check for gimple invariant.
6581
6582 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6583
6584         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6585
6586 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6587
6588         PR target/23747
6589         * config/m32r.md (movmemsi_internal): Canonicalize order of
6590         operands in PLUS component of template.
6591
6592 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6593
6594         * reload1.c (fixup_eh_region_note): Remove assertion.
6595         (fixup_abnormal_edges): Reverted removal of call to
6596         find_many_sub_basic_blocks made on 2005-08-31.
6597
6598 2005-09-07  Richard Henderson  <rth@redhat.com>
6599
6600         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6601         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6602         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6603         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6604         rearrange for better packing.
6605         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6606         (lookup_cfa_1): Remove inline marker.
6607         (cfa_equal_p): Split out of ...
6608         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6609         (build_cfa_loc): Handle !cfa->indirect.
6610         (frame_pointer_cfa_offset): New.
6611         (dbx_reg_number): Assert register elimination performed; do
6612         leaf register remapping.
6613         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6614         (eliminate_reg_to_offset): New.
6615         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6616         for verifiably local stack frame addresses; re-base to CFA.
6617         (mem_loc_descriptor): Remove can_use_fbreg argument.
6618         (concat_loc_descriptor, loc_descriptor): Likewise.
6619         (containing_function_has_frame_base): Remove.
6620         (rtl_for_decl_location): Don't do register elimination or
6621         leaf register remapping here.
6622         (secname_for_decl): Split out from ..
6623         (add_location_or_const_value_attribute): ... here.
6624         (convert_cfa_to_loc_list): New.
6625         (compute_frame_pointer_to_cfa_displacement): New.
6626         (gen_subprogram_die): Use them.
6627         * tree.h (frame_base_decl): Remove.
6628         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6629         (prologue_stack_adjust): Remove.
6630         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6631         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6632         (set_frame_base_location): Remove.
6633         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6634         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6635         (vt_add_function_parameters): Don't eliminate_regs.
6636         (vt_initialize): Don't create frame_base_decl.
6637
6638 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6639
6640         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6641         version of GNU binutils for 4.x and later.
6642
6643 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6644
6645         * ggc-page.c (ggc_push_context): Remove.
6646         (ggc_pop_context): Likewise.
6647         * ggc.h (ggc_push_context): Remove.
6648         (ggc_pop_context): Likewise.
6649
6650 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6651
6652         PR target/8973
6653         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6654         returning from an interrupt handler.
6655
6656 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6657
6658         PR target/8972
6659         * config/arc/arc.c (output_shift): Add check for loop count when
6660         optimizing.
6661
6662 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6663
6664         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6665         form manually.
6666         (abs_replacement): Likewise.
6667         (pass_phiopt): Remove TODO_update_ssa.
6668
6669 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6670
6671         PR c/23075
6672         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6673         if "return with no value, in function returning non-void" warning
6674         has been issued.
6675         * tree-cfg.c (execute_warn_function_return): Don't look at
6676         RETURN_EXPRs with TREE_NO_WARNING set.
6677
6678         PR target/22362
6679         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6680         for internal functions doesn't use registers used by global registers
6681         variables.  Use fewer register parameters if there are global register
6682         variables.
6683
6684 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6685             Eric Botcazou  <ebotcazou@adacore.com>
6686
6687         PR middle-end/14997
6688         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6689         when we would be extracting outside its bit span (bitpos+bitsize
6690         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6691         Ada unchecked conversions.
6692
6693 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6694
6695         * tree-ssa-pre.c (try_look_through_load): New function.
6696         (compute_avail): Use it to try to look through loads for some
6697         more useful expressions.
6698
6699 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6700
6701         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6702         condition for detecting cases like (a&a) and (a^a).
6703
6704 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6705
6706         * common.opt: Add option ftree-vect-loop-version.
6707         * params.def: Add --param vect-max-version-checks.
6708         * doc/invoke.texi: Document ftree-vect-loop-version and
6709         --param vect-max-version-checks.
6710         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6711         may_misalign_stmts and defines for accessors.
6712         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6713         LOOP_VINFO_MAY_MISALIGN_STMTS.
6714         (destroy_loop_vec_info): VEC_free for
6715         LOOP_VINFO_MAY_MISALIGN_STMTS.
6716         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6717         Update documentation.
6718         (vect_update_misalignment_for_peel): New.
6719         (vect_enhance_data_refs_alignment): Update to choose loop
6720         peeling or loop versioning if appropriate for the (potentially)
6721         unaligned data references in the loop.
6722         (vect_analyze_data_refs_alignment): Remove call to
6723         vect_enhance_data_refs_alignment so the checks can be done
6724         earlier.
6725         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6726         and move up call to vect_analyze_data_refs_alignment.
6727         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6728         (vect_transform_loop): Add call to loop_version.
6729
6730 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6731
6732         PR rtl-optimization/23098
6733         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6734         * simplify-rtx.c (constant_pool_reference_p): New function.
6735         * rtl.h (constant_pool_reference_p): New prototype.
6736         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6737         constant_pool_reference_p in condition and
6738         avoid_constant_pool_reference in preparation statements.
6739
6740 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6741
6742         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6743         STRICT_LOW_PART SETs.
6744
6745 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6746
6747         PR middle-end/21460
6748         * except.c (sjlj_emit_function_enter): Find the function begin
6749         note even when it's not in first basic block.
6750
6751 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6752
6753         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6754         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6755         * aclocal.m4: Regenerate.
6756
6757 2005-09-05  DJ Delorie  <dj@redhat.com>
6758
6759         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6760         of macro.
6761
6762 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6763
6764         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6765         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6766         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6767         Follow spelling conventions.
6768         * doc/invoke.texi: Follow spelling conventions.
6769
6770 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6771
6772         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6773         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6774         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6775
6776 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6777
6778         PR target/23683
6779         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6780         (output_stack_adjust): Use gen_tmp_stack_mem.
6781         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6782         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6783         (sh_get_pr_initial_val): Likewise.
6784         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6785         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6786         * sh.md (divsi_inv_m0): Use gen_const_mem.
6787         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6788         (movdf_i4+1): Use gen_tmp_stack_mem.
6789         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6790         (fpu_switch+2): Likewise.
6791         (movv4sf_i, movv16sf_i): Use adjust_address.
6792         (symGOT_load): Set MEM_NOTRAP_P bit.
6793
6794 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6795
6796         PR target/23721
6797         * pa.c (emit_move_sequence): Fix typo in last change.
6798
6799 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6800
6801         PR rtl-optimization/23454
6802         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6803         is true.
6804
6805 2005-09-03  Richard Henderson  <rth@redhat.com>
6806             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6807
6808         PR middle-end/23671
6809         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6810         gen_rtx_MEM.
6811
6812 2005-09-02  Nicolas Pitre <nico@cam.org>
6813
6814         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6815         to bit_count to 32 bits.
6816
6817 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6818
6819         PR c++/23167
6820         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6821         generating synthetic loads from volatile lvalues.
6822
6823 005-09-02  Nick Clifton  <nickc@redhat.com>
6824
6825         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6826         __ctzhi2, __clzhi2): New functions.
6827
6828 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6829
6830         PR middle-end/23547
6831         * tree-nested.c (struct var_map_elt): Mark with GTY.
6832         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6833         var_map_elt.
6834         (lookup_field_for_decl): Allocate new element in GC memory.
6835         (lookup_tramp_for_decl): Likewise.
6836         (convert_nl_goto_reference): Likewise
6837         (create_nesting_tree): Allocate info in GC memory. Likewise for
6838         info->var_map.
6839         (free_nesting_tree): Free with ggc_free instead of free.
6840         (root): New static variable.
6841         (lower_nested_functions): Remove root as local variable.  And zero out
6842         root at the end of the function.
6843
6844 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6845
6846         PR rtl-optimization/20365
6847         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6848         to short.  New member ix.
6849         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6850         (simplify_plus_minus): Initialize ix members before calling qsort.
6851
6852 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6853
6854         PR tree-optimization/23626
6855         * tree-cfg.c (replace_uses_by): Clean up eh info.
6856
6857 2005-09-01  DJ Delorie  <dj@redhat.com>
6858
6859         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6860         fprintf.
6861
6862 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6863
6864         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6865         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6866         gen_rtx_MEM.
6867
6868 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6869
6870         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6871         do not issue warning for a variable definition following
6872         a declaration.
6873
6874 2005-09-01  Richard Henderson  <rth@redhat.com>
6875
6876         PR 23668
6877         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6878         conversion to CONST_VECTOR.
6879
6880 2005-09-01  Richard Henderson  <rth@redhat.com>
6881
6882         PR 23676
6883         * reload1.c (reload_as_needed): Check !CALL_P before calling
6884         fixup_eh_region_note.
6885         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6886
6887 2005-09-01  DJ Delorie  <dj@redhat.com>
6888
6889         * varasm.c (output_constant): Let the target resolve
6890         conversions of addresses to non-default pointer sizes.
6891
6892 2005-09-01  Nicolas Pitre <nico@cam.org>
6893
6894         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6895         to alow matching ARM pre-indexed addressing mode.
6896         (arm_override_options): Remove now irrelevant comment.
6897
6898 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6899
6900         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6901         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6902         * config/i386/vxworks.h:  Likewise.
6903         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6904         * config/i386/vxworksae.h:  Likewise.
6905
6906 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6907
6908         PR tree-optimization/23410
6909         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6910         sequence is not wrapping during the first step.
6911
6912 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6913
6914         PR debug/7241
6915         * dwarf2out.c (base_type_die): Compare char_type_node with
6916         TYPE_MAIN_VARIANT (type), not type.
6917
6918 2005-09-01  Richard Guenther  <rguenther@suse.de>
6919
6920         PR tree-optimization/15366
6921         * common.opt: Add -finline-functions-called-once.
6922         Put -fearly-inlining in alphabetically ordered place.
6923         * doc/invoke.texi: Document new option.
6924         * ipa-inline.c (cgraph_decide_inlining): Honour
6925         flag_inline_functions_called_once.
6926
6927 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6928
6929         PR rtl-optimization/23478
6930         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6931         (alloc_qty): Initialize it.
6932         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6933         (combine_regs): Combine also n_throwing_calls_crossed fields.
6934         (find_free_reg): Don't attempt to caller-save pseudos crossing
6935         calls that might throw.
6936         * global.c (struct allocno): Add throwing_calls_crossed field.
6937         (global_alloc): Revert 2005-08-22 change.  Initialize
6938         throwing_calls_crossed.
6939         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6940         might throw.
6941
6942 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
6943
6944         PR target/23649
6945         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6946         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6947         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6948         (and64_2_operand): Tweak to use predicate.
6949         (and_operand): Adjust for mask_operand changes.
6950         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6951         (print_operand): Likewise.
6952         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6953         (mask64_1or2_operand): Delete.
6954         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6955         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6956         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6957         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6958         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6959         (rotldi3_internal4): Likewise.
6960         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6961         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6962         (ashldi3_internal7): Likewise.
6963         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6964         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6965         (anddi3 split): Don't match mask64_operand.
6966         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6967         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6968         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6969         't' splitter predicate.
6970         (movdi_internal64 + 2): Revert 2005-06-11 change.
6971
6972 2005-08-31  DJ Delorie  <dj@redhat.com>
6973
6974         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6975         (m32c_asm_integer): Add support for 32 bit pointers.
6976
6977 2005-08-31  Richard Henderson  <rth@redhat.com>
6978
6979         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6980         component-like references for setting MEM_NOTRAP_P.
6981
6982         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6983         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6984
6985 2005-08-31  Richard Henderson  <rth@redhat.com>
6986
6987         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6988         into a pseudo before applying gen_lowpart.
6989
6990 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6991
6992         * doc/install.texi (Specific): Update cctools version required
6993         for full functionality.
6994         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6995         linkers as -macosx_version_min.
6996
6997 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6998
6999         PR target/21255
7000         * sh.c (print_operand, %R and %S): Add handling of floating point
7001         registers, memory, constants and invalid operands.
7002
7003 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7004
7005         * ipa-pure-const.c: Change dump name.
7006
7007 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7008
7009         PR target/23570
7010         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7011         to "reg_or_0_operand".
7012         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7013
7014 2005-08-31  Dale Johannesen  <dalej@apple.com>
7015
7016         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7017         loops that count down.
7018
7019 2005-08-31  Richard Henderson  <rth@redhat.com>
7020
7021         PR rtl-opt/23601
7022         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7023         (fixup_eh_region_note): New.
7024         (reload_as_needed): Call it.
7025         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7026         don't call find_many_sub_basic_blocks; call verify_flow_info.
7027         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7028         (keep_stack_depressed): Likewise.
7029         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7030
7031 2005-08-31  Richard Henderson  <rth@redhat.com>
7032
7033         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7034         fp return matching.
7035
7036 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7037
7038         * expr.c (expand_expr_real_1): Compare size of address
7039         mode to target's address mode size in deciding expansion of
7040         the constant address.
7041
7042 2005-08-31  Richard Guenther  <rguenther@suse.de>
7043
7044         PR middle-end/23477
7045         * expr.c (all_zeros_p): New function.
7046         (expand_expr_real_1): Handle the case of an all-zero
7047         non-addressable constructor separately.
7048
7049 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7050
7051         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7052         arguments, adjust all callers.
7053         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7054
7055 2005-08-30  Richard Henderson  <rth@redhat.com>
7056
7057         PR target/23630
7058         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7059         whenever the mode sizes match.
7060
7061 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7062
7063         * calls.c (load_register_parameters): Fix comment typo.
7064         * expr.c (emit_push_insn): Comment formatting.
7065
7066 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7067
7068         * config/i386/x-cygwin (host-cygwin): Change dependency from
7069         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7070
7071 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7072
7073         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7074         parts of 'vals'.
7075
7076 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7077
7078         PR middle-end/23408
7079         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7080         call to ggc_collect.
7081
7082 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7083
7084         PR bootstrap/21268
7085         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7086         beginning.  Remove $(INCLUDES) from all the rules, if following
7087         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7088
7089 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7090
7091         PR middle-end/23484
7092         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7093         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7094         not constant, but maxlen is, don't set len to maxlen, rather
7095         set maxlen to len if len is a constant.
7096
7097 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7098
7099         PR tree-optimization/23475
7100         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7101         and counts.
7102
7103 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7104
7105         Fix PR middle-end/22455
7106
7107         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7108         Checksum only the parts of the tree that exist for the tree code.
7109
7110 2005-08-28  Dale Johannesen  <dalej@apple.com>
7111
7112         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7113
7114 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7115
7116         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7117
7118 2005-08-28  Richard Henderson  <rth@redhat.com>
7119
7120         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7121         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7122         of char_type_node.
7123
7124 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7125
7126         PR ada/23593
7127         * builtins.c (get_memory_rtx): Don't strip nops
7128         in between COMPONENT_REFs.
7129
7130 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7131
7132         PR middle-end/23463
7133         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7134         types.
7135         (gimplify_modify_expr): Check for zero sized types and gimplify the
7136         rhs and lhs as statements.
7137
7138 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7139
7140         PR libgcj/23508
7141         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7142         state for return address column of signal frames.
7143
7144 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7145
7146         PR target/23539
7147         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7148         bytes >= 2 not bytes == 2.
7149         (expand_block_move): Same.
7150
7151 2005-08-27  Richard Guenther  <rguenther@suse.de>
7152
7153         PR target/23575
7154         * config/i386/sse.md (sse2_movsd): Add missing closing
7155         braces.
7156
7157 2005-08-27  Paul Brook  <paul@codesourcery.com>
7158
7159         * genrecog.c (enum decision_type): Add DT_num_insns.
7160         (struct decision_test): Add u.num_insns.
7161         (add_to_sequence): Add DT_num_insns test.
7162         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7163         (write_cond, debug_decision_2): Ditto.
7164         (change_state): Assume peep2_next_insn never fails.
7165         Remove "afterward" argument.
7166         (write afterward, write_tree): Update to match.
7167         * recog.c (peep2_current_count): New variable.
7168         (peep2_next_insn): Check it.
7169         (peephole2_optimize): Set peep2_current_count.
7170         * recog.h (peep2_current_count): Declare.
7171
7172 2005-08-26  Josh Conner  <jconner@apple.com>
7173
7174         PR middle-end/23584
7175         * ipa-pure-const.c (check_tree): Check for volatile-ness
7176         when considering a dereference.
7177
7178 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7179
7180         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7181
7182 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7183
7184         PR rtl-optimization/23561
7185         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7186         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7187         at most LEN bytes long memory fits into the field.
7188         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7189         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7190         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7191
7192 2005-08-26  Richard Henderson  <rth@redhat.com>
7193
7194         PR rtl-opt/23560
7195         * loop.c (biased_biv_may_wrap_p): New.
7196         (maybe_eliminate_biv_1): Use it to suppress non-equality
7197         comparison transformations.  Delete disabled code.
7198
7199 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7200
7201         * combine.c (make_extraction): Avoid reference outside object.
7202
7203 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7204
7205         * stor-layout.c (finalize_type_size): Restore behaviour for
7206         non-aggregate types to the status quo ante of the patch for
7207         pr 23467.  Document why it matters.
7208
7209 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7210
7211         PR c/23506
7212         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7213         array by one element, initialize the BT_LAST element with NULL.
7214
7215 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7216
7217         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7218         optimizing for size.
7219         (plus_eqsi): Same.
7220         (compare_plus_eqsi): Same.
7221         (plus_eqsi_compare): Same.
7222         (neg_eq0<mode>): Same.
7223         (neg_eq<mode>): Same.
7224
7225         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7226         PROCESSOR_POWER4.
7227
7228 2005-08-26  Nick Clifton  <nickc@redhat.com>
7229
7230         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7231         TARGET_EP is not defined.
7232         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7233         TARGET_EP is enabled.
7234         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7235         * config/v850/v850.md (save_all_interrupt): Only use the EP
7236         register if TARGET_EP is defined.
7237         (restore_all_interrupt): Likewise.
7238         * config/v850/lib1funcs.asm: Update functions so that the EP
7239         register is only used if __EP__ is defined.
7240
7241 2005-08-26  David Ung  <davidu@mips.com>
7242
7243         * config/mips/mips.c (mips_expand_prologue): Handle case when
7244         generating for MIPS16 and the outgoing argument area is more than
7245         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7246         add instruction.
7247
7248 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7249
7250         * config/crx/crx.md: Make doloop_end pattern usage controllable
7251         via mloop-nesting=<max-nesting> command line switch. Make sure
7252         the combiner cannot use doloop_end_<mode> in an illegal way.
7253         * config/crx/crx.c: Use regs up to r6 for argument passing.
7254         Refine crx_address_cost (non cst4 displacements are expensive).
7255         * config/crx/crx.opt: Add switch for mloop-nesting=.
7256
7257 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7258
7259         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7260         (UNSPEC_MVST): New constant.
7261
7262 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7263
7264         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7265         Reject operands containing eliminable registers.
7266         * testsuite/gcc.dg/20050825-1.c: New testcase.
7267
7268 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7269             Jan Hubicka  <jh@suse.cz>
7270
7271         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7272
7273 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7274
7275         PR tree-optimization/23546
7276         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7277         and REAL_CST nodes.
7278
7279 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7280
7281         * params.def (PARAM_MIN_SPEC_PROB): New.
7282         * sched-rgn.c (MIN_PROBABILITY): Delete.
7283         (compute_trg_info): Convert to PARAM_VALUE.
7284         * doc/invoke.texi (param): Document min-spec-prob.
7285
7286 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7287
7288         * config/darwin.h: define __PIC__
7289         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7290         TARGET_OS_CPP_BUILTINS macro.
7291
7292 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7293
7294         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7295         yesterday.
7296
7297 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7298
7299         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7300         to duplicate_block.
7301         * cfghooks.c (duplicate_block): Added position where to place
7302         new block as argument.
7303         * cfghooks.h (duplicate_block): Declaration changed.
7304         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7305         duplicate_block.
7306         * cfglayout.h (copy_bbs): Declaration changed.
7307         * cfgloop.h (loop_version): Declaration changed.
7308         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7309         position to copy_bbs.
7310         (loop_version): Pass position to duplicate_loop_to_header_edge.
7311         Add place_after argument and position new blocks according to
7312         it.
7313         * modulo-sched.c (sms_schedule): Pass place_after argument
7314         to loop_version.
7315         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7316         * tree-cfg.c (split_edge_bb_loc): New function.
7317         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7318         to determine position of new blocks.
7319         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7320         to loop_version.
7321         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7322         argument to duplicate_block.
7323         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7324         Pass position to copy_bbs.
7325
7326 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7327
7328         * fold-const.c (ptr_difference_const): Use
7329         cst_and_fits_in_hwi instead of host_integerp.
7330
7331 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7332
7333         * config/darwin.c (gen_pic_offset): New.
7334         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7335         Use it.
7336
7337 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7338
7339         PR tree-optimization/23486
7340         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7341
7342 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7343
7344         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7345         remove use_collect2.
7346         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7347
7348         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7349         configuration files to override the default value.
7350
7351         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7352         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7353         * config/vx-common.h:  New file, split out from...
7354         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7355         * config/vxworksae.h:  New file, for VxWorks AE.
7356         * config/vxworks.opt:  New file.
7357         * config/vxlib.c:  Update for VxWorks 6.
7358
7359         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7360         other MULTILIB_* variables appropriately.
7361         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7362         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7363         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7364         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7365
7366 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7367
7368         PR target/20799
7369         * config/darwin.c (machopic_select_section): Remove the hack to
7370         mark "::operator new" and "::operator delete" for coalescing
7371         even though they are not weak.
7372
7373 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7374
7375         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7376         * configure: Regenerate.
7377
7378 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7379
7380         PR middle-end/23517
7381         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7382         between vectors.
7383         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7384         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7385         Likewise.
7386
7387 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7388
7389         * config/rs6000/predicates.md (equality_operator): New.
7390         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7391         comparison with a large constant.
7392
7393 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7394
7395         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7396
7397 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7398
7399         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7400         registers is even, and we have a hardware double precision fp,
7401         align the buffer.
7402         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7403         size of current argument when checking if argument was passed in
7404         registers.
7405
7406         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7407
7408         PR middle-end/23467
7409         * stor-layout.c (finalize_type_size): Dont override
7410         existing alignment with a smaller alignment from the mode.
7411
7412 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7413
7414         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7415         * lambda.h (lambda_vector_lexico_pos): ... here.
7416         * tree-data-ref.c (build_classic_dist_vector): Return false when
7417         the distance vector is lexicographically negative.
7418
7419 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7420
7421         PR tree-optimization/23511
7422         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7423         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7424
7425 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7426
7427         PR tree-optimization/22043
7428         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7429         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7430         If ALLOW_FLEXARR, handle types ending with flexible array member.
7431         Pass false as second argument to recursive count_type_elements calls.
7432         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7433         argument to count_type_elements call.
7434         * tree-sra.c (decide_block_copy): Likewise.
7435         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7436         for a constant-sized object, set cleared as well.  Pass true as
7437         second argument to count_type_elements call.
7438
7439 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7440
7441         PR target/21571
7442         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7443         from legitimate_small_data_p, and make global.  Update use.
7444         Remove forward declaration.
7445         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7446         Declare.
7447         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7448
7449 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7450
7451         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7452         of scratch intermediates.
7453         (eq<mode>_compare): Same.
7454         (neg_eq0<mode>): New.
7455         (neg_eq<mode>): Convert to define_insn_and_split.
7456
7457 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7458
7459         PR target/23070
7460         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7461         stdarg functions, set/clear the fp marker even when no variable
7462         args are passed.
7463         * config/rs6000/sysv4.opt (mprototype): Describe.
7464
7465 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7466
7467         PR rtl-optimization/23478
7468         * regs.h (reg_info): Add throw_calls_crossed.
7469         (REG_N_THROWING_CALLS_CROSSED): Define.
7470         * flow.c (allocate_reg_life_data): Initialize
7471         REG_N_THROWING_CALLS_CROSSED.
7472         (propagate_one_insn, attempt_auto_inc): Update
7473         REG_N_THROWING_CALLS_CROSSED.
7474         * global.c (global_alloc): Don't allocate pseudos across
7475         calls that may throw.
7476
7477 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7478
7479         PR c/18715
7480         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7481         value is inbetween the range if we did not find an exact match.
7482
7483 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7484
7485         * doc/invoke.texi (Option Summary): Add ms1 options.
7486         * doc/extend.texi: Document interrupt handler attribute for ms1.
7487         * doc/md.texi: Document ms1 constraints.
7488         * config.gcc: Add ms1-*-elf.
7489         * config/ms1/ms1.h: New.
7490         * config/ms1/ms1.c: New.
7491         * config/ms1/ms1.md: New.
7492         * config/ms1/ms1-protos.h: New.
7493         * config/ms1/ABI.txt: New.
7494         * config/ms1/crti.asm: New.
7495         * config/ms1/crtn.asm: New.
7496         * config/ms1/lib2extra-funcs.c: New.
7497         * config/ms1/t-ms1: New.
7498         * config/ms1/ms1.opt: New.
7499
7500 2005-08-22 Ira Rosen <irar@il.ibm.com>
7501
7502         * config/rs6000/altivec.md (xorv4sf3): New.
7503         (negv4sf2, neg<mode>2): Likewise.
7504
7505 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7506
7507         PR target/23485
7508         * config/ia64/ia64.md (divsi3): Check divide by zero.
7509         (udivsi3): Likewise.
7510         (divdi3): Likewise.
7511         (udivdi3): Likewise.
7512
7513 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7514
7515         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7516         up to elem_bitsize bits, not max_bitsize.
7517
7518 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7519
7520         PR tree-optimization/23433
7521         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7522         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7523
7524 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7525
7526         PR tree-optimization/23434
7527         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7528         the iteration bound is not an INTEGER_CST.
7529
7530 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7531
7532         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7533         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7534         NULL if need_epilog_adjust is false.
7535         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7536         Case 3 always peels first itration, not just for PLUS case, and no need
7537         to use scalar_initial_def here. Create an epilog adjustment only if
7538         scalar_initial_def is not NULL.
7539
7540         (vectorizable_reduction): Remove assert.
7541
7542 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7543
7544         PR target/23485
7545         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7546         (__moddi3): Likewise.
7547         (__udivdi3): Likewise.
7548         (__umoddi3): Likewise.
7549         (__divsi3): Likewise.
7550         (__modsi3): Likewise.
7551         (__udivsi3): Likewise.
7552         (__umodsi3): Likewise.
7553
7554 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7555
7556         * tree-pass.h (TDF_GRAPH): Define.
7557         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7558         * passes.c (finish_optimization_passes): Only call
7559         finish_graph_dump_file if TDF_GRAPH is set.
7560         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7561         NULL.  Set TDF_GRAPH bit.
7562         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7563
7564 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7565
7566         * arm.h (arm_stack_offsets): Add locals_base field.
7567         * arm.c (arm_get_frame_offsets): Compute it.
7568         (thumb_compute_initial_elimination offset): Make the Thumb frame
7569         pointer point to the base of the local variables.
7570         (thumb_expand_prologue): Update accordingly.
7571         (thumb_expand_epilogue): Likewise.
7572
7573         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7574         mode of clobbered scratch to DImode.  Handle a case that's known to
7575         need this.
7576
7577 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7578
7579         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7580         (gt0<mode>_compare): Delete.
7581         (neg_gt0<mode>): Delete.
7582
7583 2005-08-19  Eric Christopher  <echristo@apple.com>
7584
7585         * optabs.h: Change CTI_ to COI_.
7586         * optabs.c: Ditto.
7587
7588 2005-08-19  James E Wilson  <wilson@specifix.com>
7589
7590         * builtins.c (expand_builtin_return_addr): Set
7591         current_function_accesses_prior_frames when count != 0.  Use
7592         frame_pointer_rtx when count == 0.
7593         * function.h (struct function): Add accesses_prior_frames field.
7594         (current_function_accesses_prior_frames): Define.
7595         * reload1.c (init_elim_table): Check
7596         current_function_accesses_prior_frames.
7597         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7598
7599 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7600
7601         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7602         indicator.  Return true if the flowgraph changed during
7603         cleanup.
7604
7605 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7606
7607         PR 23476
7608         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7609         conditional expression before testing its value.
7610
7611 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7612
7613         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7614
7615 2005-08-19  Devang Patel  <dpatel@apple.com>
7616
7617         PR tree-optimization/23048
7618         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7619         third parameter. Check whether latch is dominated by exit
7620         block or not.
7621         (if_convertible_loop_p): Supply exit block itself to
7622         if_convertible_bb_p.
7623
7624 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7625
7626         PR target/23473
7627         * arm.md (arm_load_pic_register): Change argument to the mask of
7628         saved registers.  Call thumb_find_work_register if we need a
7629         scratch register on Thumb.
7630         (arm_expand_prologue): Pass empty register set to
7631         arm_load_pic_register.
7632         (thumb_expand_prologue): Pass live_regs_mask directly to
7633         arm_load_pic_register.
7634         * arm-protos.h (arm_load_pic_register): Update prototype.
7635
7636 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7637
7638         * sh.c (find_sole_member): New function.
7639         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7640         if the record's alignment is larger than the size of its only member.
7641
7642 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7643
7644         PR target/23436
7645         * arm.c (thumb_legitimize_reload_address): New function.
7646         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7647         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7648
7649 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7650
7651         * config/crx/crx.c: Implement crx_decompose_address. Reject
7652         symbolic displacements since CRX register relative adressing
7653         mode can't handle unsigned 32-bit values as displacements.
7654         * config/crx/crx.h: Simplify definitions, remove redundant
7655         parenthesis and obsolete macros.
7656         * config/crx/crx.opt: Add new switch for debugging addresses.
7657         * config/crx/crx-protos.h: Add new declarations for above.
7658
7659 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7660
7661         PR middle-end/20624
7662         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7663         looking past it.
7664
7665 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7666
7667         * collect2.c (dup2): Delete.
7668         * configure.ac: Don't check for dup2.
7669
7670         * config.in, configure: Regenerate.
7671
7672 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7673
7674         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7675         record with the type of its only member.
7676
7677 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7678
7679         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7680         define_insn_and_split.
7681         (plus_ltu<mode>_compare): Same.
7682         (gtu<mode>_compare): Same.
7683         (plus_gtu<mode>_compare): Same.
7684
7685 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7686
7687         PR tree-optimization/22228
7688         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7689         todo_flags_start.
7690         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7691         are recorded in vect_vnames_to_rename for renaming.
7692         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7693         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7694         in vect_vnames_to_rename.
7695         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7696         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7697
7698 2005-08-18  Jan Hubicka  <jh@suse.cz>
7699
7700         PR c++/22034
7701         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7702         info only for local statics, not for member variables.
7703
7704 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7705
7706         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7707
7708 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7709
7710         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7711
7712 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7713
7714         PR middle-end/16045
7715         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7716
7717 2005-08-17  James E Wilson  <wilson@specifix.com>
7718
7719         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7720         array size check.
7721
7722 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7723
7724         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7725         (leu<mode>_compare): Same.
7726         (plus_leu<mode>): Same.
7727         (neg_leu<mode>): Same.
7728         (and_neg_leu<mode): Same.
7729         (ltu<mode>_compare): Same.
7730         (plus_ltu<mode>): Same.
7731         (geu<mode>): Same.
7732         (geu<mode>_compare): Same.
7733         (plus_geu<mode>): Same.
7734         (neg_geu<mode>): Same.
7735         (and_neg_geu<mode>): Same.
7736         (plus_gt<mode>): Same.
7737         (gtu<mode>_compare): Same.
7738         (plus_gtu<mode>): Same.
7739
7740 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7741
7742         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7743         Move call_table_data to end.  Delete spurious .text.
7744         (callt_save_all_interrupt): Fix comment typo.
7745
7746 2005-08-17  James E Wilson  <wilson@specifix.com>
7747             Kevin Winchester  <winchester@amirix.com>
7748
7749         PR target/21684
7750         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7751
7752 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7753
7754         PR target/23268
7755         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7756         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7757
7758 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7759
7760         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7761         record with the type of its only member if the modes don't match.
7762
7763         * varasm.c (decode_reg_name): Skip empty additional register names.
7764
7765 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7766
7767         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7768         lsm_tmp_name_length): New.
7769         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7770         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7771
7772 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7773             Andreas Krebbel  <krebbel1@de.ibm.com>
7774
7775         * config.gcc: Added z9-109 switch.
7776         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7777         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7778         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7779         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7780         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7781         for "z9_109" cpu attribute.
7782         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7783         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7784         (s390_handle_arch_option): Added z9-109 switch.
7785         (override_options): Set respective cost function for z9-109.
7786         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7787         (legitimate_reload_constant_p): Accept extended immediates.
7788         (print_operand): Three new output modifiers added: k, m and o.
7789         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7790         (s390_output_mi_thunk): Use extended immediate when possible.
7791         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7792         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7793         (CONSTRAINT_LEN): Added length of O constraint.
7794         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7795         * config/s390/s390.md ("cpu"): New value z9_109 added.
7796         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7797         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7798         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7799         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7800         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7801         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7802         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7803         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7804         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7805         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7806         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7807         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7808         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7809         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7810         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7811         immediates.
7812         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7813         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7814         insns for TARGET_EXTIMM.
7815
7816 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7817
7818         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7819
7820 2005-08-17  Nick Clifton  <nickc@redhat.com>
7821
7822         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7823         Call default_encode_section_info.
7824
7825 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7826
7827         PR tree-optimization/21574
7828         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7829         constant, return CONSTANT.
7830         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7831         (ccp_fold, visit_assignment): Likewise.
7832         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7833
7834 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7835
7836         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7837         fold_buildN instead of buildN then fold_initializer or fold.
7838         (build_unary_op): Likewise.
7839         (build_binary_op): Likewise.
7840         * fold-const.c (fold_initializer): Remove.
7841         (fold_build1_initializer): New function.
7842         (fold_build2_initializer): New function.
7843         (fold_build3_initializer): New function.
7844         * tree.h (fold_initializer): Remove.
7845         (fold_build1_initializer): New function.
7846         (fold_build2_initializer): New function.
7847         (fold_build3_initializer): New function.
7848
7849 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7850
7851         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7852         (try_move_mult_to_index): Call fold_build2 instead of build2.
7853         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7854         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7855         fold_binary_to_constant.
7856         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7857         fold (build.
7858         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7859         check if A == gcd (A, B).  Remove TYPE argument.
7860         (analyze_offset) Use fold_build2 instead of fold (build.
7861         (create_data_ref): Likewise.
7862         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7863         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7864         then fold.
7865
7866 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7867
7868         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7869         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7870
7871 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7872
7873         PR tree-opt/23402
7874         * gimplify.c (zero_sized_type): New function.
7875         (gimplify_modify_expr_rhs): If we have a zero sized type,
7876         replace the statement with an empty statement.
7877
7878 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7879
7880         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7881         fxsave.
7882
7883 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7884
7885         * doc/tm.texi (Label Output): Correct typo.
7886
7887 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7888
7889         PR target/23376
7890         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7891         force_operand will work later on using have_insn_for.
7892
7893 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7894
7895         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7896
7897 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7898
7899         PR c++/23337
7900         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7901         vector type, don't try to construct it element by element.  Add an
7902         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7903
7904 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7905
7906         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7907
7908 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7909
7910         * doc/invoke.texi (Precompiled Headers): Document some more options
7911         which are known to be safe.
7912
7913 2005-08-16  James E Wilson  <wilson@specifix.com>
7914
7915         PR tree-optimization/21105
7916         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7917         TREE_OVERFLOW check.
7918
7919 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7920
7921         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7922         (neg_ltu<mode>): Same.
7923         (gtu<mode>): Same.
7924         (neg_gtu<mode>): Same.
7925
7926 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7927
7928         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7929         (fold_builtin_isdigit): Use fold_buildN.
7930         (build_function_call_expr): Likewise.
7931         * c-typeck.c (c_finish_loop): Likewise.
7932
7933 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7934             Richard Shann <rshann@superh.com>
7935
7936         PR middle-end/20396:
7937         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7938
7939 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7940
7941         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
7942
7943 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
7944
7945         PR target/23355
7946         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7947         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7948         must be saved.
7949
7950 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7951
7952         PR middle-end/23369
7953         * fold-const.c (build_range_check): Disable optimization for function
7954         pointer expressions on targets that require function pointer
7955         canonicalization.
7956
7957 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7958
7959         * simplify-rtx.c (simplify_const_relational_operation): When
7960         extracting arguments of a COMPARE, recompute the mode as well.
7961
7962 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7963
7964         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7965
7966 2005-08-15  DJ Delorie  <dj@redhat.com>
7967
7968         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7969         the stack.
7970         (movsi_splittable): Allow, but split, moves to the stack.
7971         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7972         stack.
7973
7974 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7975
7976         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7977         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7978         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7979
7980         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7981         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7982         Delete HOST_PTR_PRINTF.
7983
7984         * configure, config.in: Regenerate.
7985
7986 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7987
7988         * config/rs6000/rs6000.md (QHSI): New mode macro.
7989         (wd): Extend mode attr for QImode and HImode
7990         (dbits): New mode attr.
7991         (zero_extend<mode>di2): Convert to mode macro.
7992
7993 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7994
7995         PR target/21841
7996         * doc/invoke.texi (-mgnu-ld): Update description.
7997         (-mhp-ld): Ditto.
7998
7999 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8000
8001         PR 23391
8002         * Makefile.in (tree-chrec.o): Depends on real.h.
8003         * tree-chrec.c: Include real.h.
8004         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8005         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8006         * tree-scalar-evolution.c (add_to_evolution_1,
8007         interpret_rhs_modify_expr): Ditto.
8008
8009 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8010
8011         PR 23386
8012         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8013         step is negative compute the estimation from init downwards to zero.
8014
8015 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8016
8017         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8018
8019 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8020
8021         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8022         constraint.
8023         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8024         Accept double-word constants that can be split.
8025         * config/s390/s390.md ("movti"): Use 'P' constraint.
8026         ("*movdi_31", "*movdf_31"): Likewise.
8027
8028 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8029
8030         Fix PR tree-optimization/22615
8031
8032         * tree-ssa-structalias.c (solution_set_add): Handle
8033         first_vi_for_offset returning NULL.
8034         (do_da_constraint): Ditto.
8035         (do_sd_constraint): Ditto.
8036         (do_ds_constraint): Ditto
8037         (find_func_aliases): Ditto.
8038         (build_constraint_graph): RHS is allowed be ANYTHING.
8039         (first_vi_for_offset): Return NULL if we couldn't find anything at
8040         the offset.
8041
8042 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8043
8044         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8045         over memory as first operand.
8046
8047 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8048
8049         PR target/23360
8050         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8051         available for setting it.
8052
8053 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8054
8055         PR tree-optimization/23320
8056         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8057         data-refs' types instead of base object nullness. Add check for
8058         pointer type data-refs before first location comparison. Remove
8059         assert.
8060
8061 2005-08-14  Andreas Schwab  <schwab@suse.de>
8062
8063         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8064
8065 2005-08-13  James E Wilson  <wilson@specifix.com>
8066
8067         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8068         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8069         -fstack-protector-all, --param ssp-buffer-size): Document.
8070         (-Wvariadic-macros): Alphabetize.
8071         (-fsched-stalled-insns-dep): Add missing 'f'.
8072
8073         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8074         macros.
8075
8076 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8077
8078         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8079         or indirect address operand.
8080         (EXTRA_ADDRESS_CONSTRAINT): New.
8081         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8082
8083 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8084
8085         PR tree-optimization/22236
8086         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8087         successors and predecessors.
8088         * tree-chrec.c (chrec_convert): Before converting, check that
8089         sequences don't wrap.
8090         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8091         (analyze_array): Extern.
8092         (find_data_references_in_loop): Remove call to
8093         compute_estimated_nb_iterations.
8094         * tree-data-ref.h (analyze_array): Declared.
8095         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8096         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8097         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8098         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8099         condition.
8100         * tree-ssa-loop-ivcanon.c: Fix documentation.
8101         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8102         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8103         (infer_loop_bounds_from_undefined): New.
8104         (estimate_numbers_of_iterations_loop): Use
8105         infer_loop_bounds_from_undefined.
8106         (used_in_pointer_arithmetic_p): New.
8107         (scev_probably_wraps_p): Pass an extra parameter.  Call
8108         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8109         (convert_step): Fix documentation.
8110         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8111         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8112         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8113         scev_probably_wraps_p.
8114
8115 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8116
8117         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8118         (s390_register_info): Ignore clobbered_regs information for fixed
8119         registers, and only fixed registers.
8120         (s390_init_frame_layout): Remove redundant call.
8121
8122 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8123
8124         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8125         description of -Wold-style-casts.
8126
8127 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8128             Jakub Jelinek  <jakub@redhat.com>
8129
8130         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8131         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8132         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8133         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8134         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8135         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8136         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8137         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8138         ("stack_protect_set", "stack_protect_test"): New expanders.
8139         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8140         "stack_protect_testdi"): New insn definitions.
8141
8142 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8143
8144         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8145
8146 2005-08-12  Paul Brook  <paul@codesourcery.com>
8147
8148         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8149
8150 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8151
8152         * config/s390/predicates.md (setmem_operand): New predicate.
8153         (shift_count_operand): Accept ANDs with special constants as
8154         operand.
8155         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8156         with special constants.
8157         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8158         shift_count_operand with setmem_operand.
8159
8160 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8161
8162         * config/s390/s390.c (s390_extract_part, s390_single_part):
8163         Type cast added.
8164         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8165         (s390_output_mi_thunk): Don't use lg on 31 bit.
8166         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8167         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8168
8169 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8170
8171         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8172         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8173         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8174         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8175         with one of the new macros.
8176
8177 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8178
8179         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8180         Don't set save_return_addr_p.
8181         (s390_register_info): Make clobbered_regs not depending on
8182         save_return_addr_p.
8183
8184 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8185
8186         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8187         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8188
8189 2005-08-11  James E. Wilson  <wilson@specifix.com>
8190
8191         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8192
8193 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8194
8195         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8196         locations gathered by var-tracking in single entry loc_list
8197         over loc_descriptor_from_tree.
8198
8199         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8200         pass it down to loc_descriptor.
8201         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8202         (containing_function_has_frame_base): Move earlier in the file.
8203         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8204         instead of always assuming fbreg can't be used.
8205
8206 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8207
8208         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8209         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8210         Accept address wrapped in AND for Altivec.
8211         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8212         Strip AND wrapping offset address for Altivec.
8213
8214 2005-08-11  Richard Henderson  <rth@redhat.com>
8215
8216         PR middle-end/23312
8217         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8218         before using TYPE_IS_SIZETYPE.
8219
8220 2005-08-11  Richard Henderson  <rth@redhat.com>
8221
8222         PR target/22225
8223         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8224         insn types not present on ev4.
8225         (alphaev5_insn_pipe): Similarly.
8226
8227 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8228
8229         PR target/23250
8230         * arm.c (arm_override_options): If the user has selected callee-super-
8231         interworking, then enable normal interworking.
8232
8233 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8234
8235         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8236         redefinition.
8237
8238 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8239
8240         * doc/rtl.texi: Fix two typos.
8241
8242 2005-08-11  Richard Guenther  <rguenther@suse.de>
8243
8244         PR target/23289
8245         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8246         cases where we call to/from functions returning void.
8247
8248 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8249
8250         PR c++/23225
8251         * tree.c (build_pointer_type_for_mode): Robustify.
8252
8253 2005-08-10  James E Wilson  <wilson@specifix.com>
8254
8255         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8256         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8257
8258         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8259         "cum->".
8260
8261 2005-08-10  Eric Christopher  <echristo@apple.com>
8262
8263         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8264         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8265         V2DFmode.
8266
8267 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8268
8269         PR target/21887
8270         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8271         for the high part when generating dynamic-no-pic code.
8272
8273 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8274
8275         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8276         (x86_64-*-linux*): Likewise.
8277
8278         * config/i386/crtfastmath.c: New file.
8279         * config/i386/t-crtfm: Likewise.
8280
8281         * config/i386/linux.h (ENDFILE_SPEC): New.
8282         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8283
8284         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8285         crtfastmath.o.
8286
8287 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8288
8289         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8290         (vec_shl, vec_shr): Document new operations.
8291         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8292
8293 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8294
8295         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8296         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8297         change predicate to indexed_or_indirect_address.
8298
8299 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8300
8301         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8302         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8303         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8304         and __aeabi_uwrite8.
8305         * config/arm/unaligned-funcs.c: New file.
8306         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8307
8308 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8309
8310         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8311         Add dump.
8312         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8313         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8314         Add dump.
8315         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8316         * final.c (pass_shorten_branches): Add dump.
8317         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8318         (pass_life): Rename dump.
8319         (rest_of_handle_flow2): Remove initial verify_flow_info.
8320         * function.c (pass_instantiate_virtual_regs): Add dump.
8321         * integrate.c (pass_initial_value_sets): Add dump.
8322         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8323         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8324         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8325         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8326         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8327         gate_rtl_unrool_and_peel_loops): New.
8328         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8329         rtl_doloop): Do not look at flags.
8330         * mode-switching.c (pass_mode_switching): Add dump.
8331         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8332         pass_split_before_regstack): Add dump.
8333         * regmove.c (pass_stack_adjustments): Add dump.
8334         * tree-optimize.c (pass_fixup_cfg): Add dump.
8335
8336 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8337
8338         PR 23309
8339         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8340         deciding which instruction sequence to use.
8341
8342 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8343
8344         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8345         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8346
8347 2005-08-09  Richard Guenther  <rguenther@suse.de>
8348
8349         * c-common.c (builtin_function_2): Remove.
8350         (def_builtin_1): New function.
8351         (c_common_nodes_and_builtins): Use def_builtin_1 to
8352         build builtin functions.
8353
8354 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8355
8356         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8357         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8358         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8359         Visual DSP.
8360
8361 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8362
8363         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8364         fold_binary instead of fold_build2 since we don't care about the
8365         resulting tree.
8366         (loop_niter_by_eval): Likewise.
8367         (compare_trees): Likewise.
8368         (proved_non_wrapping_p): Likewise.
8369
8370 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8371
8372         PR c/23161
8373         PR c/23165
8374         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8375         if the if is really empty.
8376
8377 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8378
8379         PR tree-optimization/23234
8380         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8381         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8382         argument of the new enum.
8383         (execute_cse_reciprocals): Add reciprocals for function arguments
8384         on the unique successor edge of the entry block.  Update other calls
8385         to execute_cse_reciprocals_1.
8386
8387 2005-08-08  Richard Henderson  <rth@redhat.com>
8388
8389         PR 22439
8390         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8391
8392 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8393
8394         * expr.c (write_complex_part): Return after handling MEM.
8395
8396 2005-08-08  Josh Conner  <jconner@apple.com>
8397
8398         PR rtl-optimization/23241
8399         * combine.c (simplify_comparison): Fix error in determining
8400         whether to lift a subreg from comparison.
8401
8402 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8403
8404         PR target/18506
8405         * config/rs6000/altivec.md (vec_init<mode>): New.
8406         (vec_set<mode>): New.
8407         (vec_extract<mode>): New.
8408         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8409         (rs6000_expand_vector_set): New.
8410         (rs6000_expand_vector_extract): New.
8411         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8412         for Altivec modes before reload.
8413         (altivec_expand_vec_init_builtin): New.
8414         (get_element_number): New.
8415         (altivec_expand_vec_set_builtin): New.
8416         (altivec_expand_vec_ext_builtin): New.
8417         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8418         builtins.
8419         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8420         builtins.
8421         * config/rs6000/rs6000.h (rs6000_builtins): Add
8422         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8423         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8424         * config/rs6000/rs6000-protos.h: Declare new functions.
8425
8426 2005-08-08  Jan Hubicka  <jh@suse.cz>
8427
8428         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8429         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8430         * i386.md (movdi*): Use pic_32bit_operand.
8431         * predicates.md (pic_32bit_operand): New.
8432
8433 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8434
8435         PR c++/21166
8436         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8437
8438 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8439
8440         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8441         (test_for_singularity): Use fold_build2.
8442
8443 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8444
8445         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8446
8447 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8448
8449         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8450         (COMMON_ASM_OP) Define.
8451         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8452         (ix86_encode_section_info): Likewise.
8453         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8454         SUBTARGET_ENCODE_SECTION_INFO.
8455
8456 2005-08-06  Richard Henderson  <rth@redhat.com>
8457
8458         PR 21894
8459         * tree-nested.c (convert_local_reference): Save and restore val_only
8460         around component_ref and friends.  Clear walk_subtrees by default.
8461
8462 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8463
8464         PR 21366
8465         * gcc.c (process_command): Check the argument to -b has a dash.
8466         * doc/invoke.texi: Update -b and -V docs.
8467
8468 2005-08-06  James E Wilson  <wilson@specifix.com>
8469
8470         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8471
8472 2005-08-06  Michael Matz  <matz@suse.de>
8473
8474         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8475         member only if only one insn is associated with the value.
8476
8477 2005-08-06  Nick Clifton  <nickc@redhat.com>
8478
8479         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8480         New define.
8481         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8482         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8483         Check symbol flags instead of symbol name mangling.
8484         (xstormy16_asm_output_aligned_common): Likewise.  Also
8485         simplify code since the bss100_section cass is the only case
8486         where the below100 code will be triggered.
8487         (xstormy16_encode_section_info): Encode below100 attribute
8488         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8489         the name.
8490         (xstormy16_strip_name_encoding): Delete - this function is no
8491         longer needed.
8492         (TARGET_STRIP_NAME_ENCODING): Undefine.
8493         * config/stormy16/stormy16-protos.h: Delete prototype for
8494         xstormy16_strip_name_encoding.
8495
8496 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8497
8498         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8499         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8500         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8501         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8502         config/alpha/predicates.md, config/arc/arc.h,
8503         config/arm/arm.h, config/arm/ieee754-df.S,
8504         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8505         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8506         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8507         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8508         config/m68hc11/m68hc11.h, config/mips/mips.c,
8509         config/mips/mips.h, config/mips/openbsd.h,
8510         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8511         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8512         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8513         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8514         config/sparc/linux.h, config/sparc/linux64.h,
8515         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8516         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8517         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8518         typos.  Follow spelling conventions.
8519
8520 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8521
8522         PR c/23113
8523         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8524         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8525         specially.  Check for side effects only for COND_EXPR.
8526         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8527         return with TREE_NO_WARNING.
8528
8529 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8530
8531         PR rtl-optimization/23233
8532         * loop.c (combine_movables): Require the modes to be the same.
8533         (move_movables): Remove handling of cases where the replacement
8534         had a different mode to the original.
8535
8536 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8537
8538         PR tree-optimization/23128
8539         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8540         subtraction wrap, and set TREE_OVERFLOW if they do.
8541
8542 2005-08-05  Richard Henderson  <rth@redhat.com>
8543
8544         PR 21728
8545         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8546         FORCED_LABEL labels.
8547
8548 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8549
8550         PR middle-end/23135
8551         * reload.c (find_reloads_subreg_address): Pass down TYPE
8552         unchanged.  Change all callers except find_reloads_toplev.
8553
8554 2005-08-05  Michael Matz  <matz@suse.de>
8555
8556         * genattrtab.c (current_alternative_string): Remove.
8557         (SIMPLIFY_ALTERNATIVE): Ditto.
8558         (attr_alt_bit_p): Ditto.
8559         (alternative_name): Make const char *.
8560         (evaluate_eq_attr): Remove use of above things.
8561         (simplify_test_exp): Ditto.
8562         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8563         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8564
8565 2005-08-04  James E Wilson  <wilson@specifix.com>
8566
8567         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8568         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8569         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8570         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8571         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8572
8573 2005-08-04  Richard Henderson  <rth@redhat.com>
8574
8575         PR 21529
8576         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8577         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8578         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8579         if we'd have to instantiate too many members.
8580
8581 2005-08-04  Richard Henderson  <rth@redhat.com>
8582
8583         PR 21291
8584         * tree-outof-ssa.c (coalesce_asm_operands): New.
8585         (coalesce_ssa_name): Use it.  Split out ...
8586         (coalesce_phi_operands, coalesce_result_decls): ... these.
8587
8588 2005-08-04  Paul Brook  <paul@codesourcery.com>
8589
8590         * read-rtl.c (read_quoted_string): Break if EOF.
8591
8592 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8593
8594         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8595         (fold_build2): Likewise.
8596         (fold_build3): Likewise.
8597         (fold_build1_stat): New function prototype.
8598         (fold_build2_stat): Likewise.
8599         (fold_build3_stat): Likewise.
8600         * fold-const.c (fold_build1): Rename to ..
8601         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8602         through to build1_stat.
8603         (fold_build2): Rename to ..
8604         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8605         through to build2_stat.
8606         (fold_build3): Rename to ..
8607         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8608         through to build3_stat.
8609
8610 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8611             Ian Lance Taylor  <ian@airs.com>
8612
8613         * function.c (assign_stack_local_1): Do not correct stack slot
8614         address if allocation size is smaller than mode size.
8615
8616 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8617
8618         PR 22037
8619         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8620         (tree_merge_blocks): Propagate anything allowed by
8621         may_propagate_copy.
8622         Clarify documentation.
8623         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8624         SSA form, schedule an update if necessary.
8625
8626 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8627
8628         * doc/install.texi (Binaries): Remove broken link to
8629         Sinix/Reliant Unix binaries.
8630
8631 2005-08-03  Richard Henderson  <rth@redhat.com>
8632
8633         PR 23221
8634         * function.c (stack_protect_epilogue): Export.
8635         * tree.h (stack_protect_epilogue): Declare.
8636         * calls.c (expand_call): Call it.
8637
8638 2005-08-03  Eric Christopher  <echristo@apple.com>
8639
8640         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8641         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8642         spec.
8643
8644 2005-08-04  Jan Hubicka  <jh@suse.cz>
8645
8646         * profile.c (branch_prob): Split edges with goto locus on them
8647         to get proper line counts.
8648         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8649
8650 2005-08-03  Paul Brook  <paul@codesourcery.com>
8651
8652         * function.c (assign_parms): Round current_function_args_size
8653         to PARM_BOUNDARY, not STACK_BOUNDARY.
8654
8655 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8656
8657         * config/i386/i386.c (x86_elf_aligned_common)
8658         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8659
8660 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8661
8662         PR tree-optimization/23157
8663         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8664         before emitting them.
8665
8666 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8667
8668         PR tree-optimization/19899
8669         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8670         * tree-scalar-evolution.c: Include real.h.
8671         (add_to_evolution): Build constant -1 of correct type.
8672
8673 2005-08-03  Jan Hubicka  <jh@suse.cz>
8674
8675         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8676         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8677         profile updating for complette unrolling.
8678         * loop-unroll.c (peel_loop_completely): Use it.
8679         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8680         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8681         loops.
8682
8683 2005-08-03  Paul Brook  <paul@codesourcery.com>
8684
8685         * combine.c (can_change_dest_mode): New function.
8686         (try_combine, simplify_set): Use it.
8687
8688 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8689
8690         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8691         TFmode to BLKmode.
8692
8693 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8694
8695         * doc/install.texi (Specific): Adjust link to openavr.org.
8696         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8697         (Binaries): Adjust HP-UX Porting Center link.
8698         (Binaries): Adjust Free Software Foundation ordering link.
8699
8700 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8701
8702         * convert.c (convert_to_integer): Use fold_build1 instead of
8703         build1 when converting an integer to an integer.
8704
8705 2005-08-02  Richard Henderson  <rth@redhat.com>
8706
8707         * combine.c (combine_instructions): Don't use reg_equal/equiv
8708         results if the mode doesn't match.
8709
8710 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8711
8712         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8713         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8714
8715 2005-08-02  Richard Henderson  <rth@redhat.com>
8716
8717         PR 23196
8718         * explow.c (memory_address): Remove special-case for
8719         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8720
8721 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8722
8723         PR 23164
8724         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8725         number of calls to cleanup_tree_cfg_1.
8726
8727 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8728
8729         * doc/invoke.texi: document file extensions .F90 and .F95
8730
8731 2005-08-02  Richard Guenther  <rguenther@suse.de>
8732
8733         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8734         positive if its first argument is positive.
8735
8736 2005-08-02  Richard Guenther  <rguenther@suse.de>
8737
8738         PR tree-optimization/23177
8739         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8740         on TMR_TAG.
8741
8742 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8743
8744         PR tree-optimization/23129
8745         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8746         varying for divisions with anti-ranges.
8747
8748 2005-08-02  Jan Hubicka  <jh@suse.cz>
8749
8750         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8751         * tree-ssa-threadupdate.c (thread_block): Add it here.
8752
8753 2005-08-01  James E Wilson  <wilson@specifix.com>
8754
8755         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8756         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8757         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8758         New.
8759         * config/mips/predicates.md (const_call_insn_operand): Add check for
8760         SYMBOL_REF_LONG_CALL_P.
8761         * doc/extend.texi (long_call): Document the new attribute.
8762
8763 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8764             Richard Henderson  <rth@redhat.com>
8765
8766         * Makefile.in (RTL_BASE_H): Add real.h.
8767         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8768         instead of memcpy.
8769         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8770         directly.
8771         * rtl.c (rtl_check_failed_code_mode): New.
8772         * rtl.h (struct rtx_def): Add u.rv.
8773         (XCMWINT, XCNMPRV): New.
8774         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8775         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8776
8777 2005-08-01  Richard Henderson  <rth@redhat.com>
8778
8779         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8780         with auto-inc codes.
8781
8782         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8783
8784 2005-08-01  Jan Hubicka  <jh@suse.cz>
8785
8786         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8787         * i386.c: Include dwarf2.h
8788         (asm_preferred_eh_data_format): New.
8789         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8790
8791 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8792
8793         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8794         randomize_va_space for virtual address randomization control.
8795
8796 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8797
8798         * common.opt (flag_ipa_cp): Put in right place to maintain
8799         alphabetic sort.
8800
8801 2005-08-01  Jan Hubicka  <jh@suse.cz>
8802
8803         * profile.c (compute_value_histograms): Fix thinko.
8804         * value-prof.c: Include toplev.h
8805         (check_counter): New function.
8806         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8807         tree_mod_subtract_transform): Add sanity check.
8808
8809 2005-08-01  Richard Guenther  <rguenther@suse.de>
8810
8811         PR tree-optimization/23133
8812         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8813         current functions parameter decls to find defs to cse
8814         reciprocals of.
8815
8816 2005-08-01  Richard Guenther  <rguenther@suse.de>
8817
8818         PR tree-optimization/23109
8819         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8820         If trapping math is in effect, use post-dominator information
8821         to check if we'd in any case reach a trapping point before
8822         doing the reciprocal insertion.
8823         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8824         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8825         expressions are invariant only if trapping math is not in effect.
8826
8827 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8828
8829         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8830         cgraph_function_versioning): New declarations.
8831         * cgraphunit.c: Add include to ipa-prop.h.
8832         (update_call_expr, cgraph_copy_node_for_versioning,
8833         cgraph_function_versioning): New functions.
8834         * integrate.c (copy_decl_for_inlining): Remove.
8835         * ipa-prop.h (ipa_replace_map): New struct.
8836         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8837         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8838         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8839         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8840         ipcp_iterate_stage, ipcp_method_scale_print,
8841         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8842         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8843         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8844         ipcp_update_bb_counts, ipcp_update_profiling,
8845         ipcp_update_edges_counts): New functions.
8846         (ipcp_method_cval_init): Remove restriction regarding local methods.
8847         (ipcp_init_stage): Add ipcp_method_compute_scale.
8848         (ipcp_insert_stage): Add versioning.
8849         (ipcp_structures_print): Add ipcp_method_scale_print.
8850         (ipcp_driver): Dump profiling info.
8851         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8852         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8853         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8854         (struct inline_data): Add versioning_p, ipa_info, new fields.
8855         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8856         declare_return_variable): Replace calls to copy_decl_for_inlining with
8857         copy_decl_for_dup.
8858         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8859         versioning support.
8860         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8861         Add argument VERSIONING.
8862         (copy_arguments_for_versioning, copy_static_chain,
8863         function_versionable_p, tree_versionable_function_p,
8864         tree_function_versioning, replace_ref_tree): New functions.
8865         * tree-inline.h: Include varray.h.
8866         (tree_versionable_function_p,  tree_function_versioning,
8867         tree copy_decl_for_dup): New declarations.
8868
8869 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8870
8871         * ipa-cp.c: New file. Contains IPCP specific functionality.
8872         * ipa-prop.h: New file. Contains structures/definitions that can be
8873         used by several interprocedural data flow optimizations (and also IPCP).
8874         * ipa-prop.c: New file.
8875         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8876         * common.opt: Add ipa-cp flag.
8877         * timevar.def: Add IPCP optimization.
8878         * tree-optimize.c (init_tree_optimization_passes): Schedule
8879         pass_ipa_cp.
8880         * tree-pass.h (pass_ipa_cp): Declare.
8881
8882 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8883
8884         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8885         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8886         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8887         config/i386/i386.c, config/mips/mips.h,
8888         config/rs6000/rs6000.h, config/sh/sh.c,
8889         config/stormy16/stormy16.c: Fix comment typos.
8890
8891 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8892
8893         PR c/22311
8894         * c-typeck.c (build_binary_op): Use common_type wrapper on
8895         shortened types.
8896         (common_type): Update comment.
8897
8898 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8899
8900         PR target/23095
8901         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8902         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8903         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8904
8905 2005-07-31  Jan Hubicka  <jh@suse.cz>
8906
8907         * pretty-print.h (pp_widest_integer): New macro.
8908         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8909         counts.
8910
8911 2005-07-31  Jan Hubicka  <jh@suse.cz>
8912
8913         * output.h (enum section_category): Export from varasm.c
8914         (categorize_decl_for_section): Likewise.
8915         * varasm.c (enum section_category): Kill.
8916         (categorize_decl_for_section): Make global.
8917         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8918         Declare.
8919         * i386.c (ix86_section_threshold): New static variable.
8920         (ix86_in_large_data_p, ix86_encode_section_info,
8921         x86_64_elf_unique_section,
8922         x86_64_elf_select_section): New functions.
8923         (TARGET_ENCODE_SECTION_INFO): Define
8924         (override_options): Enable medium model for PIC.
8925         (ix86_expand_prologue): Expand gen_set_got_rex64.
8926         (legitimate_constant_p): Handle new UNSPECs.
8927         (legitimate_pic_address_disp_p): Likewise.
8928         (legitimize_pic_address): Lower MEDIUM model addressing.
8929         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8930         (enum cmodel): Add MEDIUM_PIC.
8931         (SYMBOL_REF_FAR_ADDR_P): New macro.
8932         (SYMBOL_FLAG_FAR_ADDR): New flag.
8933         * i386.md (movdi): Support medium model.
8934         (set_got_rex64): New pattern.
8935         * i386.opt (mlarge-data-threshold): New flag.
8936         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8937         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8938         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8939         TARGET_ASM_UNIQUE_SECTION): New.
8940
8941         * invoke.texi (-mlarge_data_threshold): Document
8942
8943 2005-07-31  Jan Hubicka  <jh@suse.cz>
8944
8945         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8946         (coalesce_vars): Likewise.
8947         * tree-ssa-live.c (coalesce_cost): New.
8948         (build_tree_conflict_graph): Use coalesce_cost.
8949         * tree-ssa-live.h (coalesce_cost): Declare.
8950
8951 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8952
8953         * arm.md (all peepholes for post-increment operations): Delete.
8954         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8955         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8956         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8957         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8958         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8959
8960 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8961
8962         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8963         non-integral types.
8964
8965 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8966
8967         PR target/22582
8968         * doc/invoke.texi: Document -rdynamic.
8969
8970 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8971
8972         PR c/23143
8973         * c-parser.c (c_parser_parms_list_declarator): Call
8974         mark_forward_parm_decls.
8975         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8976         decls with visibility structure.
8977
8978 2005-07-30  Paul Brook  <paul@codesourcery.com>
8979
8980         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8981
8982 2005-07-30  Paul Brook  <paul@codesourcery.com>
8983
8984         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8985         prototype.
8986         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8987         value for mode.
8988         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8989
8990 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8991
8992         PR c/529
8993         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8994         nested function declarators.
8995         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8996         (grokparms): Call warn_if_shadowing for parameters used within the
8997         parameter list.
8998         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8999         not used within the parameter list.
9000         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9001
9002 2005-07-30  Jan Hubicka  <jh@suse.cz>
9003
9004         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9005         * i386.c (ix86_fixup_binary_operands): Likewise.
9006         (ix86_expand_unary_operator): Likewise.
9007         (ix86_expand_fp_absneg_operator): Likewise.
9008         * optabs.c (expand_vec_cond_expr): Validate dest.
9009
9010 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9011
9012         PR c/21720
9013         * real.c (real_from_string): Also set last bit if there is a
9014         nonzero hex digit beyond GCC's internal precision after ".".
9015
9016 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9017
9018         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9019         define_constants.  Change duplicate values to unassigned numbers.
9020         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9021         (*altivec_vspltsf): New.
9022         (altivec_vperm_v4sf): Delete.
9023         (altivec_vperm_<mode>): Use mode macro V.
9024         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9025         (altivec_predicate_v4sf): Delete.
9026         (altivec_predicate_<mode>): Use mode macro V.
9027         (*altivec_lvesfx): New.
9028         (*altivec_stvesfx): New.
9029         (vec_realign_load_v4sf): Delete.
9030         (vec_realign_load_<mode>): Use mode macro V.
9031         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9032         UNSPECV_SET_VRSAVE.
9033
9034 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9035
9036         PR bootstrap/23131
9037         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9038         string.
9039         * configure: Regenerated.
9040
9041 2005-07-29  Paul Brook  <paul@codesourcery.com>
9042
9043         * doc/install.texi: Add link to GFortran binaries wiki page.
9044
9045 2005-07-29  David Ung  <davidu@mips.com>
9046
9047         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9048         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9049         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9050         * config/mips/mips.md (cpu): Add 5kf name.
9051         (includes): Includes 5k.md.
9052         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9053         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9054         -march flag.
9055
9056 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9057
9058         PR 22550
9059         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9060         (cleanup_tree_cfg): ... here.
9061         Call cleanup_tree_cfg_1 until there are no more cleanups to
9062         do.
9063
9064 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9065
9066         * tree-vrp.c (compare_range_with_value): Return true or false
9067         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9068         EQ_EXPR respectively.
9069
9070 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9071
9072         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9073         Fix comment typos.
9074
9075 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9076
9077         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9078         (tree_ssa_dominator_optimize): Increment it.
9079         (dump_dominator_optimization_stats): Print it.
9080
9081 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9082             Steven Bosscher  <stevenb@suse.de>
9083
9084         PR rtl-optimization/23117
9085         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9086         when head == tail.  Tidy comment.
9087
9088 2005-07-28  Richard Henderson  <rth@redhat.com>
9089
9090         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9091         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9092         * jump.c (rtx_renumbered_equal_p): Likewise.
9093         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9094         CONST_INT and CONST_DOUBLE.
9095         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9096         * reload.c (operands_match_p): Special case CONST_INT and
9097         CONST_DOUBLE; check mode earlier.
9098
9099 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9100
9101         PR c/22240
9102         * c-typeck.c (convert_for_assignment): Do not check
9103         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9104
9105 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9106
9107         PR c/22192
9108         * c-typeck.c (composite_type): Prefer constant size arrays to
9109         VLAs.
9110
9111 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9112
9113         PR c/21720
9114         * real.c (real_from_string): Set last bit if there is a nonzero
9115         hex digit beyond GCC's internal precision.
9116
9117 2005-07-28  Richard Henderson  <rth@redhat.com>
9118
9119         PR rtl-opt/22619
9120         * cfgcleanup.c (try_forward_edges): Watch out for end of
9121         insn chain.
9122
9123 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9124
9125         PR c/23106
9126         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9127
9128 2005-07-28  Jan Hubicka  <jh@suse.cz>
9129
9130         * Makefile.in (rtl-profile.o): Kill all traces of it.
9131         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9132         * coverage.h (rtl_coverage_counter_ref): Kill.
9133         * opts.c (flag_speculative_prefetching_set): Kill.
9134         (flag_loop_optimize_set): New.
9135         (common_handle_option): Disable loop optimizer when profiling;
9136         do not handle speculative prefetching.
9137         * passes.c (init_optimization_passes): Replace pass_profiling combo
9138         by branch_prob pass.
9139         * profile.c (compute_value_histograms): Update for simplified value
9140         profiles.
9141         (rtl_register_profile_hooks): Kill.
9142         (pass_profiling): Kill.
9143         (rest_of_handle_branch_prob): Do not profile.
9144         * toplev.c (process_options): Remove speculative prefetching.
9145         * toplev.h (flag_tree_based_profiling): Kill.
9146         * tree-profile.c (prepare_instrumented_value,
9147         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9148         tree_gen_one_value_profiler, do_tree_profiling): Update for
9149         simplified datastructures.
9150         * value-prof.c: Add comment that speculative prefetching was dropped;
9151         update rest of file for simplified datastructures.
9152         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9153         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9154         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9155         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9156         rtl_mod_subtract, gen_speculative_prefetch,
9157         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9158         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9159         (gate_handle_value_profile_transformations,
9160         rest_of_handle_value_profile_transformations,
9161         pass_value_profile_transformations): Kill.
9162         * value-prof.h (histogram_value_t): Remove IL based unions.
9163         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9164         rtl_profile_hooks): Remove hooks.
9165
9166         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9167
9168         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9169         (cgraph_clone_node): Likewise.
9170         * cgraph.h (cgraph_clone_edge): Update prototype.
9171         (cgraph_clone_node): Likewise.
9172         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9173         cgraph_clone_node.
9174         (lookup_recursive_calls): Consider profile.
9175         (cgraph_decide_recursive_inlining): Fix updating; use new
9176         probability argument; use profile.
9177         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9178         * tree-inline.c (copy_bb): Update clal of clone_edge.
9179         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9180
9181         * invoke.texi (min-inline-recursive-probability): Document.
9182
9183 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9184
9185         * doc/install.texi (Configuration): Update Valgrind homepage.
9186
9187 2005-07-28  Richard Henderson  <rth@redhat.com>
9188
9189         PR middle-end/21362
9190         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9191         labels we want to delete.
9192         (cfg_layout_merge_blocks): Likewise.
9193
9194 2005-07-28  Richard Henderson  <rth@redhat.com>
9195
9196         PR target/17692
9197         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9198         when expanding to nothing.
9199
9200 2005-07-28  Josh Conner  <jconner@apple.com>
9201
9202         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9203         (cgraph_decide_inlining_of_small_functions): Likewise.
9204
9205 2005-07-28  Josh Conner  <jconner@apple.com>
9206
9207         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9208         direction of badness if negative.
9209         (cgraph_default_inline_p): Add reason to parameters, and assign it
9210         a value.
9211         (cgraph_decide_inlining_of_small_functions): New parameter in call
9212         to cgraph_default_inline_p.
9213         (cgraph_decide_inlining_incrementally): Likewise.
9214         * cgraphunit.c (decide_is_function_needed): Likewise.
9215         * cgraph.h (cgraph_default_inline_p): Likewise.
9216
9217 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9218
9219         * builtins.c: Fix comment typo(s).
9220         * genautomata.c: Likewise.
9221         * gimplify.c: Likewise.
9222         * tree-dfa.c: Likewise.
9223         * tree-flow-inline.h: Likewise.
9224         * tree-into-ssa.c: Likewise.
9225         * tree-ssa-alias.c: Likewise.
9226         * tree-ssa-ccp.c: Likewise.
9227         * tree-ssa-copy.c: Likewise.
9228         * tree-ssa-dce.c: Likewise.
9229         * tree-ssa-dom.c: Likewise.
9230         * tree-ssa-operands.c: Likewise.
9231         * tree-tailcall.c: Likewise.
9232         * tree-vectorizer.c: Likewise.
9233         * tree-vrp.c: Likewise.
9234         * tree.c: Likewise.
9235
9236 2005-07-28  Jeff Law  <law@redhat.com>
9237
9238         * tree-vrp.c (test_for_singularity): Extracted from  ...
9239         (simplify_cond_using_ranges): Attempt to simplify a relational
9240         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9241
9242 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9243
9244         PR tree-optimization/22506
9245         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9246         phis whose argument is constant.
9247
9248 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9249
9250         PR rtl-optimization/18992
9251         Back out this patch:
9252           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9253           PR optimization/12142
9254           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9255           uses of the register in the SET_SRC.  Remove unnecessary argument.
9256
9257         Replace it with this:
9258         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9259         if flag_non_call_exceptions is set and the insn may trap, pass
9260         pc_rtx as dest for recursion.
9261         In SET_SRC part of SET case, if dest is already set, pass it down
9262         unchanged.
9263
9264 2005-07-28  Jan Hubicka  <jh@suse.cz>
9265
9266         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9267         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9268         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9269         roundoff errors.
9270         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9271         profile when available.
9272
9273 2005-07-28  Jan Beulich <jbeulich@novell.com>
9274
9275         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9276         (ia64_print_operand): Describe and handle 'X'.
9277         (ia64_register_move_cost): Also handle FP_REGS.
9278         (ia64_preferred_reload_class): Likewise.
9279         (ia64_secondary_reload_class): Likewise.
9280         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9281         it. Also check for ITANIUM_CLASS_FLDP.
9282         * config/ia64/ia64.h (FP_REGNO_P): New.
9283         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9284         (reg_class): Add FP_REGS.
9285         (REG_CLASS_NAMES): Adjust for it.
9286         (REG_CLASS_CONTENTS): Likewise.
9287         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9288         (REG_CLASS_FROM_LETTER): Handle 'x'.
9289         (CLASS_MAX_NREGS): Handle FP_REGS.
9290         (MEMORY_MOVE_COST): Likewise.
9291         * config/ia64/ia64.md (itanium_class): Add fldp.
9292         (type): Handle fldp.
9293         (movti_internal): More allowable operand combinations. Use ldfp8 when
9294         splitting unnecessary. Remove predicable attribute. Adjust
9295         itanium_class attribute.
9296         (smuldi3_highpart): Remove outdated comment.
9297         (mulditi3, umulditi3, rotlti3): New expanders.
9298         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9299         (absti2): Disabled new insn for future reference.
9300         Respective new splitters.
9301         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9302         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9303         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9304
9305 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9306
9307         PR rtl-optimization/23047
9308         * simplify-rtx.c (simplify_const_relational_operation): Respect
9309         flag_wrapv for comparisons with ABS.
9310
9311 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9312
9313         PR tree-optimization/22493
9314         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9315         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9316
9317 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9318
9319         * config/frv/frv.opt (moptimize-membar): New.
9320
9321         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9322
9323         * config/frv/frv.h: Remove machine_function definition.
9324
9325         * config/frv/frv.c (struct frv_io): New.
9326         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9327         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9328         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9329         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9330         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9331         (frv_reorg): Call frv_optimize_membar when appropriate.
9332         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9333         (frv_expand_builtin): Adjust calls accordingly.
9334         (frv_io_address_cookie): New function.
9335         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9336         load or store rather than a special insn.  Add ccnstant address and
9337         io-type operands to the membar.
9338         (frv_ifcvt_modify_tests): Unsign regno.
9339         (frv_ifcvt_modify_tests): Same.
9340
9341         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9342         UNSPEC_OPTIONAL_MEMBAR constant.
9343         (builtin_read_<mode>): Delete.
9344         (builtin_write_<mode>): Delete.
9345         ("optional_membar_<mode>"): Add operand.
9346
9347         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9348         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9349         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9350         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9351         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9352         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9353         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9354         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9355         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9356
9357 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9358
9359         * df.c (df_uses_record): Handle SCRATCH.
9360
9361 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9362
9363         PR debug/20161
9364         * passes.c (rest_of_decl_compilation): If decl is a type and
9365         we have encountered errors, don't emit debug information.
9366
9367 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9368
9369         * params.def: Fixed comment.
9370
9371 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9372
9373         PR target/19885
9374         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9375         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9376         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9377
9378 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9379
9380         PR c++/22003
9381         * varasm.c (assemble_start_function): Don't do anything that may
9382         require a CFG if the current function is a thunk.
9383
9384 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9385
9386         * doc/install.texi (Prerequisites): Mention that perl is needed
9387         to do export control in libstdc++ targetting Darwin.
9388
9389 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9390
9391         PR rtl-optimization/17808
9392         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9393         (sched_insns_conditions_mutex_p): Split out from...
9394         (add_dependence): ...here.  But don't call it from here.
9395         (add_dependence_list): Check sched_insns_conditions_mutex_p
9396         before calling add_dependence.
9397         (add_dependence_list_and_free): Likewise.
9398         (fixup_sched_groups): Likewise.
9399         (sched_analyze_1): Likewise.
9400         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9401         (sched_analyze): Likewise.
9402         (sched_analyze_insn): Likewise.
9403         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9404         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9405         dependencies on all COND_EXEC insns to jumps ending basic blocks
9406         when doing intrablock scheduling.
9407         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9408
9409 2005-07-27  Jeff Law  <law@redhat.com>
9410
9411         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9412         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9413         equivalency sets, correctly handle the case were vr0 has an
9414         equivalency set, but vr1 does not.
9415
9416 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9417
9418         PR tree-optimization/23073
9419         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9420         vect_print_dump_info before fprintf.
9421
9422 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9423
9424         PR tree-optimize/22348
9425         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9426         Fold the partial computation.
9427
9428 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9429
9430         PR tree-optimization/22325
9431         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9432         Declare.
9433         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9434         value replacement.
9435         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9436         (force_var_cost): ... this function.
9437         (compute_phi_arg_on_exit): Export.
9438
9439 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9440
9441         PR tree-optimization/20773
9442         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9443         edge.
9444
9445 2005-07-27  Richard Guenther  <rguenther@suse.de>
9446
9447         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9448         Avoid pushing again if current struct contains only
9449         fields we decomposed.
9450
9451 2005-07-27  Jan Hubicka  <jh@suse.cz>
9452
9453         PR tree-optimization/22574
9454         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9455         not available.
9456
9457         * tree-tailcall.c (decrease_profile): New function.
9458         (eliminate_tail_call): Use it.
9459
9460         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9461         visibility flags correctly in whole program mode.
9462
9463 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9464
9465         PR rtl-optimization/22472
9466         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9467
9468 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9469
9470         PR tree-optimization/22504
9471         * tree-complex.c (expand_complex_addition): Use 'code' instead
9472         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9473
9474 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9475
9476         * config.gcc (cpu_type): Add frv case.
9477         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9478         (supported_defaults): Add fr550 case.
9479
9480 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9481
9482         PR 22591
9483         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9484         whether a pointer of type T * may point to objects of type T *.
9485
9486 2005-07-26  DJ Delorie  <dj@redhat.com>
9487
9488         * configure: Regenerate.
9489
9490 2005-07-26  Dale Johannesen  <dalej@apple.com>
9491
9492         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9493
9494 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9495
9496         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9497         Clarify use of "build" in name.
9498
9499 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9500
9501         * doc/extend.texi (Raw read/write Functions): New section.
9502         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9503         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9504         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9505         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9506         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9507         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9508         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9509         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9510         * config/frv/frv.c: Add bdesc_loads global.
9511         Add bdesc_stores global.
9512         (frv_init_builtins): Add support for __builtin_{read/write}*.
9513         (frv_volatile_memref): New.
9514         (frv_expand_load_builtin): New.
9515         (frv_expand_store_builtin): New.
9516         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9517         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9518         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9519         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9520         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9521         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9522         (builtin_read_<mode>): New.
9523         (builtin_write_<mode>): New.
9524         (builtin_write64): New.
9525         (optional_membar_<mode>): New.
9526
9527 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9528
9529         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9530         (rather than units) against HOST_BITS_PER_WIDE_INT.
9531
9532 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9533
9534         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9535         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9536         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9537         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9538         FSF address.
9539
9540         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9541         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9542         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9543         comment typos.
9544         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9545
9546 2005-07-26  Richard Guenther  <rguenther@suse.de>
9547
9548         PR tree-optimization/22486
9549         * fold-const.c (fold_unary): Fold away useless component
9550         references of the form (T *)&T.x, if the address
9551         doesn't change.
9552
9553 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9554
9555         * dwarf2out.c (add_call_src_coords_attributes): New.
9556         (gen_inlined_subroutine_die): Call it.
9557         (maybe_emit_file, init_file_table): Add comments.
9558         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9559         maybe_emit_file.
9560         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9561         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9562         * tree.h (BLOCK_SOURCE_LOCATION): New.
9563         (struct tree_block): New field locus.
9564
9565 2005-07-26  Andreas Schwab  <schwab@suse.de>
9566
9567         PR rtl-optimization/23043
9568         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9569         when allocating a struct unoccr.
9570
9571 2005-07-25  Richard Henderson  <rth@redhat.com>
9572
9573         PR 22626
9574         * tree-complex.c (gate_no_optimization): True if errors.
9575         * Makefile.in (tree-complex.o): Update dependencies.
9576
9577 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9578
9579         * config/frv/predicates.md (integer_register_operand): Use
9580         GPR_AP_OR_PSEUDO_P.
9581
9582 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9583
9584         PR tree-opt/22484
9585         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9586         after fold.
9587         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9588
9589 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9590
9591         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9592         types when flag_unsafe_math_optimizations is true.
9593
9594 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9595
9596         * gcc.c (option_map): Add --sysroot.
9597         (process_command): Handle --sysroot.
9598         (display_help): Document it.
9599         * doc/cppopts.tex (-isysroot): Document.
9600         * doc/invoke.texi (--sysroot): Document.
9601         * doc/install.texi (--with-build-sysroot): Document.
9602
9603         * Makefile.in (inhibit_libc): New variable.
9604         (INHIBIT_LIBC_CFLAGS): Likewise.
9605         (LIBGCC2_CFLAGS): Include
9606         $(INHIBIT_LIBC_CFLAGS).
9607         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9608         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9609         ($(T)crtend.o): Likewise.
9610         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9611         ($(T)crtendS.o): Likewise.
9612         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9613         ($(T)crtendT.o): Likewise.
9614         (stmp-fixinc): Do not complain about missing headers if
9615         inhibit_libc.
9616         * configure.ac (inhibit_libc): Set it to true/false.
9617         (--with-build-sysroot): New option.  Use it to set
9618         SYSTEM_HEADER_DIR.
9619         * configure: Regenerated.
9620
9621 2005-07-25  Manfred Hollstein  <mh@suse.com>
9622
9623         * calls.c (store_one_arg): Fix unsigned comparison warning.
9624
9625 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9626
9627         PR other/22337
9628         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9629         (ggc_print_statistics): Initialize variable before use.
9630
9631 2005-07-25  Richard Guenther  <rguenther@suse.de>
9632
9633         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9634         calling with a PHI_NODE argument.
9635
9636         * tree-flow-inline.h (overlap_subvar): Protect against
9637         possible overflow.
9638
9639 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9640
9641         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9642         * configure: Regenerate.
9643
9644 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9645
9646         * expr.c (highest_pow2_factor): Make extern.
9647         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9648         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9649         record_array_differ_p, array_ptr_differ_p): Likewise.
9650         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9651         additional cases. Call the above functions.
9652         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9653         base_object_differ_p when there are two base objects. Otherwise, compare
9654         base address and offset. Call may_alias_p.
9655         (dump_data_reference): Use a correct field name.
9656         (analyze_array): Make static. Initialize new data-ref fields.
9657         (analyze_indirect_ref): New function.
9658         (init_data_ref): Initialize new data-ref fields.
9659         (strip_conversion): Moved from tree-vect-analyze.c.
9660         (analyze_offset_expr, get_ptr_offset, address_analysis,
9661         object_analysis): Likewise.
9662         (analyze_offset): New function.
9663         (create_data_ref): Likewise.
9664         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9665         dimensions for ARRAY_REFs only.
9666         (build_classic_dist_vector): Make static.
9667         (access_functions_are_affine_or_constant_p): Call macro to get the
9668         address of access functions.
9669         (compute_all_dependences): Add new parameter
9670         compute_self_and_read_read_dependences. Compute self and read-read
9671         dependences if it is true.
9672         (find_data_references_in_loop): Call create_data_ref. Initialize new
9673         data-ref fields.
9674         (compute_data_dependences_for_loop): Add new parameter
9675         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9676         compute nb_loops. Call compute_all_dependences,
9677         build_classic_dist_vector and build_classic_dir_vector with correct
9678         parameters.
9679         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9680         with correct parameters. Compare dimensions for ARRAY_REFs only.
9681         (free_data_refs): Call macro to free access functions.
9682         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9683         fields from stmt_vinfo.
9684         (struct base_object_info): New structure.
9685         (struct data_reference): Move fields to base_object_info. Add fields
9686         first_location and object_info for above structures. Move fields from
9687         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9688         aligned_to.  Add macros to access the new fields.
9689         Update functions declarations.
9690         * tree-flow.h (is_aliased_with): Declare.
9691         * tree-loop-linear.c (linear_transform_loops): Call
9692         compute_data_dependences_for_loop with correct parameters.
9693         * tree-ssa-alias.c (is_aliased_with): New function.
9694         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9695         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9696         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9697         vect_base_addr_differ_p, compute_subscript_distance and
9698         build_classic_dist_vector. Add printings. Check absolute value of
9699         distance.
9700         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9701         data-refs.
9702         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9703         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9704         to bytes. Add printing.
9705         (vect_compute_data_refs_alignment): Go through loads and stores in one
9706         loop.
9707         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9708         vect_analyze_data_ref_access): Likewise.
9709         (vect_analyze_pointer_ref_access): Remove.
9710         (vect_address_analysis, vect_object_analysis): Likewise.
9711         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9712         and analyze data-refs in the loop.
9713         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9714         fields of data-ref instead of stmt. Add init to the offset from the
9715         base.
9716         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9717         (vect_update_init_of_dr): Likewise.
9718         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9719         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9720         removed fields.
9721         (new_loop_vec_info): Initialize new fields.
9722         (destroy_loop_vec_info): Free new fields.
9723         (vect_strip_conversion): Remove.
9724         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9725         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9726         datarefs. Add new field ddrs.
9727         Add macros for the new fields access.
9728         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9729         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9730         Remove their macros.
9731         * tree.h (highest_pow2_factor): Declare.
9732
9733 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9734
9735         * calls.c (store_one_arg): Check for sibling call MEM arguments
9736         from already clobbered incoming argument area.
9737
9738 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9739
9740         * c-common.c (check_missing_format_attribute): New.
9741         * c-common.h (check_missing_format_attribute): Likewise.
9742         * c-typeck.c (convert_for_assignment): Use it.
9743
9744 2005-07-24  Andreas Schwab  <schwab@suse.de>
9745
9746         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9747         register use a word move.  Correct operand of ext.w in 68000 code.
9748
9749 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9750
9751         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9752         variables as declarations, rather than definitions.
9753
9754 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9755
9756         PR tree-optimization/22526
9757         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9758         of the zero node.
9759
9760 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9761
9762         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9763         that C99 reserve for future use. Use it to define clog10,
9764         clog10f and clog10l.
9765
9766 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9767
9768         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9769         * configure.ac: Check for -Wmissing-format-attribute.
9770
9771         * configure: Regenerate.
9772
9773 2005-07-23  Richard Henderson  <rth@redhat.com>
9774
9775         PR tree-optimization/22623
9776         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9777
9778 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9779
9780         PR target/22577
9781         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9782
9783 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9784
9785         * Makefile.in (C_TREE_H): Update dependencies.
9786         * c-tree.h: Include toplev.h.
9787         * diagnostic.h (diagnostic_set_info): Add format attribute.
9788         * rtl-error.c (diagnostic_for_asm): Likewise.
9789
9790 2005-07-23  Chao-ying Fu  <fu@mips.com>
9791
9792         * config/mips/mips-dsp.md: New file.
9793         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9794         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9795         functions.
9796         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9797         MIPS_BUILTIN_BPOSGE32.
9798         (mips_expand_builtin_direct): Add one parameter to indicate that
9799         builtin functions need to return a value.
9800         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9801         functions.
9802         (mips_regno_to_class): Add classes for 12 new DSP registers.
9803         (mips_subword): Change to check four HI registers.
9804         (mips_output_move): Output move to and from 6 new DSP accumulators.
9805         (override_options): Make sure -mdsp and -mips16 are not used together.
9806         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9807         for machine modes.
9808         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9809         when !TARGET_DSP.
9810         (print_operand): Add 'q' for printing DSP accumulators.
9811         (mips_cannot_change_mode_class): Check ACC_REGS.
9812         (mips_secondary_reload_class): Check ACC_REGS.
9813         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9814         (mips_register_move_cost): Check ACC_REGS.
9815         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9816         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9817         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9818         (dsp_bdesc): New array.
9819         (bdesc_arrays): Add DSP builtin function table.
9820         (mips_prepare_builtin_arg): Check predicate again after
9821         copy_to_mode_reg.
9822         (mips_expand_builtin): Add one more parameter to
9823         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9824         MIPS_BUILTIN_BPOSGE32.
9825         (mips_init_builtins): Initialize new function types.
9826         (mips_expand_builtin_direct): Check if builtin functions need to
9827         return a value and pass operands properly.
9828         (mips_expand_builtin_bposge): New function.
9829         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9830         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9831         (FIRST_PSEUDO_REGISTER): Increase to 188.
9832         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9833         Update for 12 new DSP registers.
9834         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9835         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9836         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9837         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9838         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9839         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9840         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9841         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9842         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9843         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9844         (REGISTER_NAMES): Add names for 12 new DSP registers.
9845         * config/mips/mips.md: Include mips-dsp.md.
9846         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9847         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9848         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9849         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9850         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9851         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9852         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9853         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9854         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9855         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9856         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9857         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9858         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9859         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9860         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9861         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9862         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9863         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9864         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9865         (UNSPEC_RDDSP): New constants.
9866         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9867         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9868         A<-d alternative.
9869         * config/mips/mips.opt (-mdsp): New option.
9870         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9871         (reg_imm10_operand): New predicates.
9872         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9873         * doc/invoke.texi (-mdsp): Document new option.
9874
9875 2005-07-22  DJ Delorie  <dj@redhat.com>
9876
9877         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9878         to warning calls.
9879         * tree-inline.c (inlinable_function_p): Likewise.
9880
9881 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9882
9883         PR debug/21828
9884         * toplev.c (check_global_declarations): Do not mark undefined
9885         variables as DECL_IGNORED_P.
9886         * varasm.c (first_global_object_name): GTY it.
9887         (weak_global_object_name): Likewise.
9888         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9889         a string to go into {weak,first}_global_object_name.
9890
9891 2005-07-22  DJ Delorie  <dj@redhat.com>
9892
9893         * c-format.c (check_function_format): Change warning control
9894         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9895
9896 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9897
9898         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9899         &PTR->FLD a dereference of PTR.
9900         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9901         a potential dereference of PTR.
9902
9903 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9904
9905         PR rtl-optimization/20370
9906         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9907         call allocate_reg_info if necessary.
9908
9909         PR rtl-optimization/21848
9910         * calls.c (emit_library_call_value_1): For const functions, add
9911         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9912
9913         PR rtl-optimization/22445
9914         * cselib.c (target.h): Include.
9915         (rtx_equal_for_cselib_p): Allow commutative matches.
9916         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9917         Remove MODE parameter.  Changed all callers.
9918
9919         PR rtl-optimization/22258
9920         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9921         New functions.
9922         (try_combine): Use likely_spilled_retval_p.
9923
9924 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9925
9926         * config.gcc: Add crx-elf support.
9927
9928         * doc/contrib.texi: Mention crx.
9929         * doc/extend.texi: Document crx extensions.
9930         * doc/install.texi: Document crx install.
9931         * doc/invoke.texi: Document crx options.
9932         * doc/md.texi: Document crx constraints.
9933
9934         * config/crx/crx-protos.h: New file.
9935         * config/crx/crx.c: New file.
9936         * config/crx/crx.h: New file.
9937         * config/crx/crx.md: New file.
9938         * config/crx/crx.opt: New file.
9939         * config/crx/t-crx: New file.
9940
9941 2005-07-22  Manfred Hollstein  <mh@suse.com>
9942
9943         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
9944         warnings.
9945         (int_add_graph_edge): Likewise.
9946         (collapse_nodes): Likewise.
9947         (process_unification_queue): Likewise.
9948
9949 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9950             Laurent GUERBY  <laurent@guerby.net>
9951
9952         PR tree-optimization/22336
9953         * function.c (record_block_change): Check for
9954         cfun->ib_boundaries_block.
9955
9956 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9957
9958         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9959         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9960
9961 2005-07-21  DJ Delorie  <dj@redhat.com>
9962
9963         * toplev.c (warn_deprecated_use): Add warning control to warning
9964         call.
9965         * c-typeck.c (parser_build_binary_op): Likewise.
9966         (c_finish_if_stmt): Likewise.
9967         * c-common.c (check_function_sentinel): Likewise.
9968         (check_nonnull_arg): Likewise.
9969
9970 2005-07-21  Richard Henderson  <rth@redhat.com>
9971
9972         PR tree-opt/22504
9973         * tree-complex.c (complex_ssa_name_components): New.
9974         (cvc_lookup): Allow entry not found.
9975         (create_components): Remove.
9976         (create_one_component_var, get_component_var): New.
9977         (get_component_ssa_name, set_component_ssa_name): New.
9978         (extract_component): Use get_component_ssa_name.
9979         (update_complex_components): Use set_component_ssa_name.
9980         (update_complex_components_on_edge): Likewise.
9981         (update_phi_components): Create new PHI nodes directly, instead
9982         of adding insns to edges.
9983         (tree_lower_complex): Allocate and free complex_variable_components
9984         and complex_ssa_name_components here.
9985
9986 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9987
9988         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9989         revert to returning false.
9990
9991 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9992
9993         PR target/21149
9994         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9995
9996 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9997
9998         PR target/22576
9999         * config/i386/i386.md (cmpxf): Change operand constraints
10000         to "nonmemory_operand".
10001
10002 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10003
10004         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10005
10006 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10007
10008         PR middle-end/21180
10009         * fold-const.c (fold_build1): Add checksum for the operands.
10010         (fold_build2): Likewise.
10011         (fold_build3): Likewise.
10012
10013 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10014
10015         PR middle-end/19055
10016         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10017
10018 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10019
10020         * common.opt (-fforward-propagate): Committed by mistake,
10021         removed.
10022
10023 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10024
10025         * reg-stack.c: Fix comment typo(s).
10026         * tree-ssa-operands.c: Likewise.
10027         * tree-vectorizer: Likewise.
10028
10029 2005-07-21  Nick Clifton  <nickc@redhat.com>
10030
10031         * config/sh/symbian.c: Replace C++ style line comments with C
10032         style line comments.
10033         (symbian_add_attribute): Do not use a ? operator on the LHS of
10034         an assignment.
10035         (sh_symbian_handle_dll_attribute): Change the type of the
10036         method vector to "VEC(tree,gc)*" and use vector accessor
10037         macros to walk over the elements.
10038         (symbian_export_vtable_and_rtti_p): Likewise.
10039         (symbian_class_needs_attribute_p): Likewise.
10040
10041 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10042
10043         PR target/22085
10044         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10045         initialize targetm.resolve_overloaded_builtin here.
10046         (altivec_expand_overloaded_builtin): Make it non-static.
10047         * config/rs6000/rs6000-protos.h
10048         (altivec_expand_overloaded_builtin): New prototype.
10049         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10050         targetm.resolve_overloaded_builtin here.
10051         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10052
10053 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10054             Zdenek Dvorak  <dvorakz@suse.cz>
10055
10056         PR tree-optimization/19210
10057         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10058         New.
10059         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10060         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10061         rely on unproven assumptions.
10062         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10063         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10064         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10065         to number_of_iterations_exit.
10066         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10067         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10068         * tree-ssa-loop-niter.c (find_loop_niter,
10069         estimate_numbers_of_iterations_loop): Likewise.
10070         (number_of_iterations_exit): Honor the new options.
10071         * doc/invoke.texi (Wunsafe-loop-optimizations,
10072         funsafe-loop-optimizations): Document them.
10073
10074 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10075
10076         PR rtl-optimization/22167
10077         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10078
10079 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10080
10081         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10082         __do_global_dtors_aux longcall.
10083
10084 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10085
10086         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10087         (old_special_pred_table): Don't reference
10088         SPECIAL_MODE_PREDICATES.
10089         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10090         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10091         * config/sh/predicates.h: Don't mention
10092         SPECIAL_MODE_PREDICATES.
10093         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10094         Remove.
10095
10096 2005-07-20  DJ Delorie  <dj@redhat.com>
10097
10098         * config.gcc: Add m32c-elf support.
10099
10100         * doc/contrib.texi: Mention m32c.
10101         * doc/extend.texi: Document m32c extensions.
10102         * doc/install.texi: Mention m32c.
10103         * doc/invoke.texi: Document m32c options.
10104         * doc/md.texi: Document m32c constraints.
10105
10106         * config/m32c/addsub.md: New file.
10107         * config/m32c/bitops.md: New file.
10108         * config/m32c/cond.md: New file.
10109         * config/m32c/jump.md: New file.
10110         * config/m32c/m32c-lib1.S: New file.
10111         * config/m32c/m32c-lib2.c: New file.
10112         * config/m32c/m32c-modes.def: New file.
10113         * config/m32c/m32c-pragma.c: New file.
10114         * config/m32c/m32c-protos.h: New file.
10115         * config/m32c/m32c.abi: New file.
10116         * config/m32c/m32c.c: New file.
10117         * config/m32c/m32c.h: New file.
10118         * config/m32c/m32c.md: New file.
10119         * config/m32c/m32c.opt: New file.
10120         * config/m32c/minmax.md: New file.
10121         * config/m32c/mov.md: New file.
10122         * config/m32c/muldiv.md: New file.
10123         * config/m32c/predicates.md: New file.
10124         * config/m32c/prologue.md: New file.
10125         * config/m32c/shift.md: New file.
10126         * config/m32c/t-m32c: New file.
10127
10128 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10129
10130         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10131         (stack_protect_set, stack_protect_test): New expanders.
10132         (stack_protect_set_si, stack_protect_set_si_media,
10133         stack_protect_set_di_media, stack_protect_test_si,
10134         stack_protect_test_si_media, stack_protect_test_di_media):
10135         New insns.
10136
10137 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10138
10139         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10140
10141 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10142
10143         * tree.h (tree_expr_nonzero_p): Export.
10144         * fold-const.c (tree_expr_nonzero_p): Likewise.
10145         Return true for CALL_EXPRs that are alloca calls.
10146         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10147         against zero.
10148         * tree-flow.h (expr_computes_nonzero): Remove.
10149         * tree-vrp.c (expr_computes_nonzero): Remove.
10150         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10151         (extract_range_from_unary_expr): Likewise.
10152         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10153         tree_expr_nonzero_p.
10154
10155 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10156
10157         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10158         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10159         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10160         All callers changed.
10161         (frame_related_constant_load): New arg "related" which controls
10162         setting of RTX_FRAME_RELATED_P.  All callers changed.
10163         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10164         (bfin_expand_prologue): Add stack limit checking.
10165         * config/bfin/bfin.md (trapifcc): New pattern.
10166
10167         * config/bfin/bfin.c: Include "langhooks.h".
10168         (def_builtin): Go through lang_hooks to call builtin_function.
10169
10170         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10171         * config/bfin/predicates.md (symbol_ref_operand): New.
10172         (call_insn_operand): Delete.  All callers changed to use
10173         register_no_elim_operand.
10174         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10175         call_cookie field.
10176         (function_arg): Use it to generate the call's operand 2.
10177         (bfin_longcall_p): New function.
10178         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10179         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10180         determine if the address needs to be in a REG.
10181         (bfin_handle_longcall_attribute): New function.
10182         (bfin_attribute_table): Add "longcall" and "shortcall".
10183         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10184         (CUMULATIVE_ARGS): New member call_cookie.
10185         (PREDICATE_CODES): Add symbol_ref_operand.
10186         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10187         extra USE to the pattern.
10188         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10189         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10190         sibcall_value_insn; now the new patterns handle direct calls and the
10191         old ones indirect calls.
10192         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10193
10194 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10195
10196         * doc/trouble.texi: Update section on handling of empty loops.
10197
10198 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10199
10200         * config.gcc: Remove support for sparc-*-openbsd*,
10201         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10202         ns32k-*-netbsd*.
10203         * config.host: Remove support for i860-*-sysv4* as a host.
10204         * config/i860/*, config/ip2k/*, config/ns32k/*,
10205         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10206         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10207         mention obsolete ports.
10208
10209 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10210
10211         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10212         soft frame pointer.
10213         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10214         of frame_pointer_rtx.
10215         (sh_expand_epilogue): Likewise.
10216         (sh_set_return_address): Likewise.
10217         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10218         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10219         offsets from FRAME_POINTER_REGNUM.
10220         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10221         (sh_register_names): Add initializer for sfp.
10222         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10223         (VALID_REGISTER_P): Likewise.
10224         (FIRST_PSEUDO_REGISTER): Update.
10225         (DWARF_FRAME_REGISTERS): Define.
10226         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10227         (HARD_FRAME_POINTER_REGNUM): Define.
10228         (FRAME_POINTER_REGNUM): Redefine.
10229         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10230         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10231         from FRAME_POINTER_REGNUM.
10232         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10233         FRAME_POINTER_REGNUM.
10234         (REG_CLASS_CONTENTS): Add sfp.
10235         (REG_ALLOC_ORDER): Likewise.
10236         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10237         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10238         of frame_pointer_rtx.
10239         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10240
10241 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10242
10243         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10244         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10245         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10246         of an ABS_EXPR.
10247         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10248         ABS_EXPR<x>.
10249
10250 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10251
10252         Make CONSTRUCTOR use VEC to store initializers.
10253         * c-common.c (complete_array_type): Update to cope with VEC in
10254         CONSTRUCTOR_ELTS.
10255         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10256         (pp_c_constructor_elts): New function.
10257         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10258         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10259         struct constructor_stack, struct initializer_stack,
10260         constructor_elements, push_init_level, pop_init_level,
10261         add_pending_init, find_init_member, output_init_element): Update to
10262         cope with VEC in CONSTRUCTOR_ELTS.
10263         * coverage.c (build_fn_info_value, build_ctr_info_value,
10264         build_gcov_info): Likewise.
10265         * expr.c (categorize_ctor_elements_1, store_constructor,
10266         expand_expr_real_1): Likewise.
10267         * fold-const.c (fold_ternary): Likewise.
10268         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10269         gimplify_init_constructor, gimplify_expr): Likewise.
10270         * tree-dump.c (dequeue_and_dump): Likewise.
10271         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10272         node.
10273         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10274         CONSTRUCTOR_ELTS.
10275         * tree-sra.c (generate_element_init_1): Likewise.
10276         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10277         * tree-ssa-operands.c (get_expr_operands): Likewise.
10278         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10279         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10280         (get_initial_def_for_reduction): Likewise.
10281         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10282         value handle in annotations.
10283         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10284         tree_node_structure): Add support for constr_kind.
10285         (build_vector_from_ctor, build_constructor_single,
10286         build_constructor_from_list): New functions.
10287         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10288         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10289         Update to cope with VEC in CONSTRUCTOR_ELTS.
10290         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10291         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10292         CONSTRUCTOR_APPEND_ELT): New macros.
10293         (struct constructor_elt, struct tree_constructor): New data types.
10294         (union tree_node): Add tree_constructor field.
10295         * treestruct.def: Define TS_CONSTRUCTOR.
10296         * varasm.c (const_hash_1, compare_constant, copy_constant,
10297         compute_reloc_for_constant, output_addressed_constants,
10298         initializer_constant_valid_p, output_constant,
10299         array_size_for_constructor, output_constructor): Update to cope with
10300         VEC in CONSTRUCTOR_ELTS.
10301         * vec.h (VEC_empty, VEC_copy): New macros.
10302
10303 2005-07-19  Devang Patel  <dpatel@apple.com>
10304
10305         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10306
10307 2005-07-19  Richard Henderson  <rth@redhat.com>
10308
10309         PR tree-opt/22278
10310         * gimplify.c (gimplify_expr): Use main variant type for the temp
10311         destination for a discarded volatile read.
10312         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10313         casts between non-void types that change volatility.
10314
10315 2005-07-15  DJ Delorie  <dj@redhat.com>
10316
10317         * toplev.h: Add comment about the first parameter for warning().
10318         * errors.h: Likewise.
10319
10320         * c.opt (Wpragmas): New.
10321         * doc/invoke.texi: Document it.
10322
10323         * function.c (do_warn_unused_parameter): Add warning control to
10324         warning call.
10325         * c-decl.c (warn_if_shadowing): Likewise.
10326         * c-lex.c (cb_def_pragma): Likewise.
10327         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10328         (pop_alignment): Likewise.
10329         (handle_pragma_pack): Likewise.
10330         (apply_pragma_weak): Likewise.
10331         (handle_pragma_weak): Likewise.
10332         (handle_pragma_redefine_extname): Likewise.
10333         (add_to_renaming_pragma_list): Likewise.
10334         (handle_pragma_extern_prefix): Likewise.
10335         (maybe_apply_renaming_pragma): Likewise.
10336         (handle_pragma_visibility): Likewise.
10337
10338         * config/c4x/c4x-c.c (BAD): Likewise.
10339         (c4x_parse_pragma): Likewise.
10340         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10341         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10342         (rs6000_pragma_longcall): Likewise.
10343         * config/v850/v850-c.c (pop_data_area): Likewise.
10344         (ghs_pragma_section): Likewise.
10345         (ghs_pragma_section): Likewise.
10346         (ghs_pragma_interrupt): Likewise.
10347         (ghs_pragma_starttda): Likewise.
10348         (ghs_pragma_startsda): Likewise.
10349         (ghs_pragma_startzda): Likewise.
10350         (ghs_pragma_endtda): Likewise.
10351         (ghs_pragma_endsda): Likewise.
10352         (ghs_pragma_endzda): Likewise.
10353
10354 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10355             Kenneth Zadeck <zadeck@naturalbridge.com>
10356
10357         * Makefile.in: Removed tree-promote-statics.c
10358         * tree-promote-statics.c: Removed.
10359         * common.opt: Removed flag-promote-statics.
10360         * opts.c: Ditto.
10361         * passes.c: Removed tree-promote-statics pass.
10362         * tree-pass.h: Ditto.
10363         * timevar.def: Removed TV_PROMOTE_STATICS.
10364
10365
10366 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10367
10368         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10369         and *-*-freebsd9.
10370         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10371
10372 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10373
10374         PR c/22476
10375         * c-common.c (check_function_arguments): Call
10376         'check_function_format' if either -Wformat or
10377         -Wmissing-format-attribute are specified.
10378         * c-format.c (check_function_format): Check -Wformat before
10379         calling 'check_format_info'.
10380         * c-opts.c (c_common_post_options): Don't warn for
10381         -Wmissing-format-attribute without -Wformat.
10382         * c-typeck.c (convert_for_assignment): Detect additional cases for
10383         -Wmissing-format-attribute.
10384         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10385         behavior.
10386
10387 2005-07-19  Richard Guenther  <rguenther@suse.de>
10388
10389         * config/i386/i386.md (lrint<mode>2): Use temporary
10390         instead of clobbering non-existent memory.
10391
10392 2005-07-19  Nick Clifton  <nickc@redhat.com>
10393
10394         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10395         statement to avoid displaying ASCII control characters.
10396
10397 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10398
10399         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10400         * cfganal.c (find_edge_index): Ditto.
10401         * combine.c (combine_instructions): Ditto.
10402         * ddg.c (create_scc): Ditto.
10403         (find_successors): Ditto.
10404         (find_predecessors): Ditto.
10405         (find_nodes_on_paths): Ditto.
10406         (longest_simple_path): Ditto.
10407         * flow.c (update_life_info): Ditto.
10408         (count_or_remove_death_notes): Ditto.
10409         (clear_log_links): Ditto.
10410         * modulo-sched.c (generate_reg_moves): Ditto.
10411         (find_max_asap): Ditto.
10412         (find_max_hv_min_mob): Ditto.
10413         (find_max_dv_min_mob): Ditto.
10414         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10415         * sched-rgn.c (extract_edgelst): Ditto.
10416         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10417         (dump_update_ssa): Ditto.
10418         (ssa_names_to_replace) Ditto.
10419         (switch_virtuals_to_full_rewrite): Ditto.
10420         (update_ssa): Ditto.
10421         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10422
10423 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10424
10425         Fix PR tree-optimization/22483
10426
10427         * tree-complex.c (create_components): Use
10428         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10429         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10430         * tree-flow.h (safe_referenced_var_iterator): New structure.
10431         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10432         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10433         safe_referenced_var iterator.
10434         (add_type_alias): Ditto.
10435
10436 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10437
10438         * loop-init.c (rest_of_handle_loop2): Remove.
10439         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10440         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10441         (pass_rtl_loop_init, pass_rtl_loop_done,
10442         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10443         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10444         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10445         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10446         pass_tree_loop_done, and pass_tree_unswitch.
10447         (gate_loop): Rename to gate_tree_loop.
10448         * passes.c (init_optimization_passes): Update for renamed tree
10449         loop passes.  Add the new loop2 passes as subpasses of loop2.
10450         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10451         Update for the renamed tree loop passes.
10452
10453 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10454
10455         PR middle-end/22057
10456         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10457         blocks when optimizing.
10458
10459 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10460
10461         * common.opt (frename-registers): Initialize to 2.
10462         (fweb): Ditto.
10463         (fgcse-after-reload): Ditto.
10464         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10465         (process_options): Only change flag_web, flag_rename_registers,
10466         and flag_rerun_cse_after_loop if not explicitly set by user.
10467
10468 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10469
10470         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10471         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10472         in 64-bit mode the same as DImode in 32-bit mode.
10473         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10474         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10475         mode. Add new mode parameter.
10476         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10477         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10478         x86_64_shift_adj): New expanders.
10479         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10480         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10481         insns.
10482         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10483         DImode shift splitters.
10484         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10485         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10486         mode parameter.
10487
10488 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10489
10490         * i386.md (movdi_extzv_1): New.
10491         (zero_extendhidi2): Combine alternatives and never force use of
10492         REX64 prefix.
10493         (zero_extendqidi2): Likewise. Don't restrict input selection.
10494
10495 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10496
10497         Fix PR tree-optimization/22531
10498         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10499          moment.
10500
10501 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10502
10503         * tree-promote-statics.c (pass_promote_statics): Change dump file
10504          name.
10505
10506 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10507
10508         * tree-optimize.c (init_tree_optimization_passes): Add
10509         pass_eliminate_useless_stores pass.
10510         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10511         * tree-ssa-pre.c (is_copy_stmt): New function.
10512         (follow_copies_till_vuse): Ditto.
10513         (do_eustores): Ditto.
10514         (gate_eustores): Ditto.
10515
10516 2005-07-16  Richard Henderson  <rth@redhat.com>
10517
10518         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10519
10520 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10521            Kenneth Zadeck <zadeck@naturalbridge.com>
10522
10523         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10524         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10525         ipa-type-escape.h, tree-promote-statics.c
10526         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10527         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10528         tree-promote-statics.c: new files.
10529         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10530         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10531         int nonlocal_set_p, mark_constant_function): Deleted.
10532         (rest_of_handle_cfg): Removed call to mark_constant_function.
10533         (nonoverlapping_component_refs_p): Added calls to support
10534         type based aliasing.
10535         * tree-ssa-alias.c (may_alias_p,
10536         compute_flow_insensitive_aliasing): Ditto.
10537         * calls.c (flags_from_decl_or_type): Removed reference to
10538         cgraph_rtl_info.
10539         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10540         too many arguments.  This is necessary for Spec 2000.
10541         * cgraph.h (const_function, pure_function): Removed.
10542         * common.opt: Added "fipa-pure-const", "fipa-reference",
10543         "fipa-type-escape", and "ftree-promote-static".
10544         * opts.c: Ditto.
10545         * passes.c: Added ipa and tree-promote-statics passes.
10546         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10547         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10548         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10549         * tree-flow.h: Added exposed sra calls and addition of
10550         reference_vars_info field for FUNCTION_DECLS.
10551         * tree-pass.h: Added passes.
10552         * tree-sra.c: (sra_init_cache): New function.
10553         (sra_insert_before, sra_insert_after) Made public.
10554         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10555         and made public.
10556         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10557         aliasing. (may_alias_p): Added code to use type escape analysis to
10558         improve alias sets.
10559         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10560         code to prune clobbers of static variables based on information
10561         produced in ipa-reference pass.  Changed call clobbering so that
10562         statics are not marked as clobbered if the call does not clobber
10563         them.
10564
10565 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10566
10567         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10568         too.
10569
10570 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10571
10572         * doc/install.texi (*-*-solaris2*): Document recommended version
10573         of GNU binutils and mention GNU linker problem on Solaris 10.
10574
10575 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10576
10577         PR c/22421
10578         * c-decl.c (c_build_bitfield_integer_type): New function.
10579         (finish_struct): Call it.
10580         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10581
10582 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10583
10584         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10585         before returning.
10586
10587 2005-07-16  Jan Hubicka  <jh@suse.cz>
10588
10589         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10590         (scale_bbs_frequencies_int): Watch roundoff errors.
10591         * predict.c (return_prediction): Initialize return_stmt.
10592
10593 2005-07-16  Jan Hubicka  <jh@suse.cz>
10594
10595         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10596         after RTL profiling.
10597
10598 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10599
10600         PR middle-end/22398
10601         * fold-const.c (build_range_check): Convert high/low to etype
10602         if we are only comparing against exp.
10603
10604 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10605
10606         Fix PR tree-optimization/22376
10607         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10608         special var here.
10609         (need_to_solve): New function.
10610         (compute_points_to_sets): Use it.
10611
10612 2005-07-15  Jan Hubicka  <jh@suse.cz>
10613
10614         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10615         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10616
10617 2005-07-15  Richard Guenther  <rguenther@suse.de>
10618
10619         * c-common.c (handle_flatten_attribute): New function.
10620         Add flatten function attribute.
10621         * doc/extend.texi: Document flatten function attribute.
10622         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10623         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10624         New functions.
10625         (cgraph_decide_inlining): Handle functions with flatten
10626         attribute.
10627
10628 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10629
10630         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10631         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10632         UNSPEC_XCHG, UNSPEC_AND): New.
10633         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10634         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10635         * config/rs6000/sync.md (FETCHOP): New code macro.
10636         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10637         New code attrs.
10638         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10639         (sync_compare_and_swap<mode>): Same.
10640         (sync_lock_test_and_set<mode>): Same.
10641         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10642         for QImode and HImode, and not PPC405.
10643         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10644         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10645         (sync_<fetchop>{si,di}_internal): New.
10646         (sync_nand{si,di}_internal): New.
10647         (sync_old_<fetchop>{si,di}_internal): New.
10648         (sync_old_nand{si,di}_internal): New
10649         (sync_new_<fetchop>{si,di}_internal): New.
10650         (sync_new_nand{si,di}_internal): New.
10651         (atomic_and{si,di}): New.
10652         (sync_new_nand{si,di}_internal): New.
10653         (atomic_and{si,di}): New.
10654         (sync_add<mode>_internal): Delete.
10655         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10656         (sync_sub<mode>_internal): Delte.
10657         (sync_subshort_internal): New.
10658         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10659         (sync_anddi_internal): Delete.
10660         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10661         (sync_booldi_internal): Delete.
10662         (sync_boolc<mode>_internal): Delete.
10663         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10664         (sync_boolc<mode>_internal2): Delete.
10665         (sync_boolcc<mode>_internal): Delete.
10666         (isync, lwsync): Use unspec instead of unspec_volatile.
10667         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10668         Revert UNSPEC_VOLATILE.
10669         (rs6000_split_atomic_op): New.
10670         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10671
10672 2005-07-14  Eric Christopher  <echristo@redhat.com>
10673
10674         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10675         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10676
10677 2005-07-14  Eric Christopher  <echristo@redhat.com>
10678
10679         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10680
10681 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10682
10683         PR tree-optimization/22230
10684         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10685         the computation of the four cross productions for "range op range".
10686
10687 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10688             Ulrich Weigand  <uweigand@de.ibm.com>
10689
10690         PR target/20126
10691         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10692         in some insn.
10693
10694 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10695
10696         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10697
10698 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10699
10700         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10701
10702 2005-07-14  Richard Guenther  <rguenther@suse.de>
10703
10704         PR middle-end/22347
10705         * config/i386/i386-protos.h (ix86_function_value): Change
10706         prototype to match new target hook.
10707         * config/i386/i386.c (ix86_value_regno): Change prototype
10708         to take extra type argument.
10709         (TARGET_FUNCTION_VALUE): Define.
10710         (ix86_function_ok_for_sibcall): Pass extra argument to
10711         ix86_value_regno, check return slot rtx for exact match.
10712         (ix86_function_value): Take extra parameter.  Dispatch to
10713         ix86_value_regno with fndecl/fntype as provided.
10714         (ix86_value_regno): Handle extra type argument.
10715         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10716
10717         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10718         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10719         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10720         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10721         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10722
10723 2005-07-14  Richard Guenther  <rguenther@suse.de>
10724
10725         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10726         * calls.c (expand_call): Pass fntype to hard_function_value.
10727         (emit_library_call_value_1): Likewise.
10728         * explow.c: Include target.h.
10729         (hard_function_value): Take extra argument, the fntype.
10730         Use new target hook for function_value.
10731         * expr.h (hard_function_value): Change prototype.
10732         * function.c (aggregate_value_p): Pass 0 as fntype to
10733         hard_function_value.
10734         (assign_parms): Use new target hook for function_value.
10735         Pass 0 as fntype to hard_function_value.
10736         (expand_function_end): Likewise.
10737         * reg-stack.c: Include target.h.
10738         (stack_result): Use new target hook for function_value.
10739         * target-def.h: New target hook function_value.
10740         * target.h: Likewise.
10741         * targhooks.c (default_function_value): New function.
10742         * targhooks.h (default_function_value): Declare.
10743
10744 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10745
10746         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10747
10748 2005-07-14  Jan Hubicka  <jh@suse.cz>
10749
10750         * tree-dfa.c (dump_variable): Use default_def function.
10751         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10752         * tree-ssa.c (verify_use): Likewise.
10753         * tree-ssanames.c (release_ssa_name): Likewise.
10754         * tree-tailcall.c (eliminate_tail_call): Likewise.
10755         (tree_optimize_tail_calls_1): Likewise.
10756         * tree-vrp.c (get_value_range): Likewise.
10757
10758 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10759
10760         * gcc.c (main): Compare language[0] with '*' when iterating over
10761         the infiles.
10762
10763 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10764
10765         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10766         "s390_emit_compare".  Add handling of CCZ1mode.
10767         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10768         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10769         checking.
10770         (s390_branch_condition_mask): Add CCZ1mode handling.
10771         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10772         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10773         Use CCZ1mode instead of CCZmode.
10774         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10775
10776 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10777
10778         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10779         pattern.
10780         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10781
10782 2005-07-13  Eric Christopher  <echristo@redhat.com>
10783
10784         * config/mips/mips.c (mips_canonicalize_comparison): New.
10785         (mips_emit_int_relational): Use.
10786
10787 2005-07-13  Eric Christopher  <echristo@redhat.com>
10788
10789         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10790         static extra parts.
10791         * config/s390/s390.md: Include tpf.md. Move tpf specific
10792         patterns...
10793         * config/s390/tpf.md: To here.
10794         * config/s390/s390.opt: Move tpf specific options...
10795         * config/s390/tpf.opt: to here. Add mmain option.
10796         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10797         * config/s390/tpf.h: Rewrite.
10798
10799 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10800
10801         * doc/tm.texi: Remove @xref{Cross-profiling}.
10802
10803 2005-07-13  Jeff Law  <law@redhat.com>
10804
10805         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10806         expressions, test their _DECL operands for pointer equality rather
10807         than using operand_equal_p.
10808
10809 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10810
10811         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10812         (TARGET_POSIX_IO): This.
10813         * config/darwin.h: Likewise.
10814         * config/freebsd.h: Likewise.
10815         * config/linux.h: Likewise.
10816         * config/lynx.h: Likewise.
10817         * config/netbsd.h: Likewise.
10818         * config/rs6000/linux64.h: Likewise.
10819         * config/rs6000/linux.h: Likewise.
10820         * config/s390/tpf.h: Likewise.
10821         * config/sh/embed-elf.h: Likewise.
10822         * config/sparc/linux64.h: Likewise.
10823         * config/sparc/linux.h: Likewise.
10824         * config/svr4.h: Likewise.
10825         * gcov-io.h: Likewise.
10826
10827         * doc/tm.texi: Updated.
10828
10829         * libgcov.c (create_file_directory): Defined only if
10830         TARGET_POSIX_IO is defined.
10831         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10832         is defined.
10833
10834 2005-07-13  Jan Hubicka  <jh@suse.cz>
10835
10836         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10837
10838 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10839
10840         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10841         structure as argument.
10842
10843 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10844
10845         PR tree-optimization/21921
10846         * tree-iterator.c (tsi_link_before): Support the case when
10847         tsi_end_p (tsi) == true.
10848
10849 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10850
10851         PR tree-optimization/22442
10852         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10853         correctly.
10854
10855 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10856
10857         PR rtl-optimization/20376
10858         * toplev.c (process_options): Enable -fweb and -frename-registers when
10859         unrolling.
10860         * doc/invoke.texi: Update the information about when -fweb and
10861         -frename-registers are enabled.
10862
10863 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10864
10865         PR tree-opt/21840
10866         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10867         if *rhs_p is not a SSA_NAME.
10868
10869 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10870
10871         Fix PR tree-optimization/22422
10872         * tree-ssa-structalias.c (struct variable_info): Add flag for
10873         special vars.
10874         (get_varinfo): Now a static function.
10875         (new_varinfo): init has_union and is_special_var to false.
10876         (solution_set_add): Check has_union.
10877         (do_da_constraint): Move temporary variable so it gets reset
10878         properly.
10879         Also check for special variable.
10880         (do_ds_constraint): Ditto.
10881         (do_sd_constraint): Ditto.
10882         (do_structure_copy): Check for special variable.
10883         (find_func_aliases): Ditto.
10884         (init_base_vars): Set special vars properly.
10885
10886 2005-07-13  Jan Hubicka  <jh@suse.cz>
10887
10888         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10889         do unit-at-a-time.
10890
10891         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10892         (get_expr_operands): Fix thinko wrt flags and subvars.
10893
10894         PR tree-optimize/22379
10895         * tree-inline.c (expand_call_inline): Do not output sorry in early
10896         inlining.
10897
10898 2005-07-12  Dale Johannesen  <dalej@apple.com>
10899
10900         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10901
10902 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10903
10904         PR bootstrap/21704
10905         * host-linux.h: Include limits.h.
10906
10907 2005-07-12  Dale Johannesen  <dalej@apple.com>
10908
10909         * expr.c (compress_float_constant):  Add cost check.
10910         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10911
10912 2005-07-12  Dale Johannesen  <dalej@apple.com>
10913
10914         * gcc.target/i386/compress-float-sse.c:  New.
10915         * gcc.target/i386/compress-float-sse-pic.c:  New.
10916         * gcc.target/i386/compress-float-387.c:  New.
10917         * gcc.target/i386/compress-float-387-pic.c:  New.
10918         * gcc.dg/compress-float-ppc.c:  New.
10919         * gcc.dg/compress-float-ppc-pic.c:  New.
10920
10921 2005-07-12  Eric Christopher  <echristo@redhat.com>
10922
10923         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10924         static extra parts.
10925         * config/s390/s390.md: Include tpf.md. Move tpf specific
10926         patterns...
10927         * config/s390/tpf.md: To here.
10928         * config/s390/s390.opt: Move tpf specific options...
10929         * config/s390/tpf.opt: to here. Add mmain option.
10930         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10931         * config/s390/tpf.h: Rewrite.
10932
10933 2005-07-12  Eric Christopher  <echristo@redhat.com>
10934
10935         * gcc.c (struct infile): Update comment for language.
10936         (main): Rewrite input file resetting code.
10937
10938 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10939
10940         PR tree-opt/22335
10941         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
10942         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
10943         (lookup_avail_expr): Use constant_boolean_node instead
10944         of boolean_false_node/boolean_true_node.
10945
10946 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10947
10948         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10949         and use it when printing num_edges.
10950
10951 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10952
10953         * doc/extend.texi (Blackfin Built-in Functions): New section.
10954         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10955         @opindex.
10956
10957 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10958
10959         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10960         s/cmpstrsi/cmpstrnsi
10961         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10962         'cmpstrnsi'.
10963         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10964         (init_optabs): Initialize cmpstrn_optab.
10965         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10966         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10967         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10968         * config/i386/i386.md: s/cmpstr/cmpstrn
10969         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10970         * doc/md.texi: Update documentation.
10971
10972 2005-07-11  Richard Henderson  <rth@redhat.com>
10973
10974         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10975         build_va_arg_indirect_ref.
10976         (alpha_gimplify_va_arg): Likewise.
10977         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10978         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10979         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10980         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10981         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10982         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10983         Likewise.
10984         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10985
10986 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10987
10988         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10989         * passes.c (init_optimization_passes): Add pass_empty_loop.
10990         * tree-pass.h (pass_empty_loop): Declare.
10991         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10992         try_remove_empty_loop, remove_empty_loops): New functions.
10993         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10994         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10995
10996 2005-07-12  Peter Barada  <peter@the-baradas.com>
10997
10998         PR middle-end/16719
10999         PR middle-end/18421
11000         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11001         in address registers.
11002         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11003         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11004         alternative of addsi3_5200.
11005
11006 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11007
11008         * config/mips/mips.md (ffs<mode>2): Remove.
11009
11010 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11011
11012         * doc/tree-ssa.texi (Cleanups): Improve description of
11013         TRY_FINALLY_EXPR.
11014         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11015
11016 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11017
11018         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11019         * tree.h (DECL_ARGUMENT_FLD): New macro.
11020
11021 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11022
11023         Fix PR tree-optimization/22404
11024
11025         * tree-ssa-structalias.c (create_variable_info_for): Use
11026         correct offset.
11027
11028 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11029
11030         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11031         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11032         for second comparison operand.
11033         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11034
11035         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11036         (define_insn_reservation "alu"): Likewise.
11037         (csync, ssync): Now of type sync.
11038         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11039         -mcsync-anomaly -mspecld-anomaly.
11040         * config/bfin/bfin.opt (mcsync): Remove.
11041         (mcsync-anomaly, mspecld-anomaly): Add.
11042         * config/bfin/bfin.c: Include "insn-codes.h".
11043         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11044         (TARGET_DEFAULT_TARGET_FLAGS): New.
11045         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11046
11047 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11048
11049         * basic-block.h: Give the BB flags enum a name, bb_flags.
11050         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11051         * cfgcleanup.c (enum bb_flags): Remove here.
11052         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11053         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11054         (update_forwarder_flag): Likewise.
11055         (thread_jump): Likewise.
11056         (try_forward_edges): Likewise.
11057         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11058         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11059         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11060
11061 2005-07-11  Richard Guenther  <rguenther@suse.de>
11062
11063         * config/i386/i386.opt: New target option -msseregparm.
11064         * config/i386/i386.c (override_options): Error out for
11065         -msseregparm but no SSE support.
11066         (ix86_function_sseregparm): Check for global sseregparm.
11067         * doc/invoke.texi: Document -msseregparm.
11068
11069 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11070
11071         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11072         (m32rle-*-linux*): Ditto.
11073
11074 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11075
11076         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11077         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11078         bytes.
11079
11080 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11081
11082         PR middle-end/22239
11083         PR target/20126
11084         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11085         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11086
11087 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11088
11089         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11090         (varmap): Heapify varmap.
11091         (constraints): Heapify constraints.
11092         (struct constraint_graph): Heapify succs and preds.
11093         (constraint_vec_find): Update for heapification.
11094         (constraint_set_union): Ditto.
11095         (insert_into_complex): Ditto.
11096         (constraint_edge_vec_find): Ditto.
11097         (erase_graph_self_edge): Ditto.
11098         (add_graph_edge): Ditto.
11099         (get_graph_weights): Ditto.
11100         (merge_graph_nodes): Ditto.
11101         (build_constraint_graph): Ditto.
11102         (topo_visit): Ditto.
11103         (solve_graph): Ditto.
11104         (create_variable_info_for): Ditto.
11105         (init_base_vars): Ditto.
11106         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11107         (condese_varmap_nodes): Free complex vector.
11108         (clear_edges_for_node): Clear succs and preds vector.
11109
11110 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11111
11112         * tree-ssa-structalias.c (update_alias_info): Change counting of
11113         references to not include vdefs.
11114
11115 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11116
11117         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11118         (up_insert): Ditto.
11119
11120 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11121
11122         * pa.c (pa_commutative_p): Make PLUS commutative when
11123         TARGET_NO_SPACE_REGS is true.
11124
11125 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11126
11127         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11128         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11129         * tree-dfa.c (dump_subvars_for): New.
11130         (debug_subvars_for): New.
11131         (dump_variable): Show subvariables if VAR has them.
11132         * tree-flow-inline.h (get_subvar_at): New.
11133         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11134         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11135         Update all users.
11136         (struct subvar): Change fields offset and size to unsigned
11137         HOST_WIDE_INT.
11138         (dump_subvars_for): Declare.
11139         (debug_subvars_for): Declare.
11140         (get_subvar_at): Declare.
11141         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11142         to unsigned HOST_WIDE_INT *.
11143         (overlap_subvar): Likewise.
11144         * tree-gimple.c (is_gimple_reg): Always return false for
11145         SFTs and memory tags.
11146         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11147         Update all callers.
11148         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11149         (compute_may_aliases): Call compute_points_to_sets.
11150         (collect_points_to_info_for): Remove.
11151         (compute_points_to_and_addr_escape): Remove.
11152         (delete_alias_info): Call delete_points_to_sets.
11153         (compute_flow_sensitive_aliasing): If the call to
11154         find_what_p_points_to returns false, call set_pt_anything.
11155         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11156         (set_pt_anything): Clear pi->pt_vars.
11157         (set_pt_malloc): Remove.
11158         (merge_pointed_to_info): Remove.
11159         (add_pointed_to_expr): Remove.
11160         (add_pointed_to_var): Remove.
11161         (collect_points_to_info_r): Remove.
11162         (is_escape_site): Make extern.
11163         (create_sft): New.
11164         (create_overlap_variables_for): Call it.
11165         * tree-ssa-copy.c (merge_alias_info): Never merge
11166         flow-sensitive alias information.
11167         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11168         offset and size to be unsigned HOST_WIDE_INT.
11169         (add_to_addressable_set): Rename from note_addressable.
11170         Set TREE_ADDRESSABLE as the variables are added to the set.
11171         Update all users.
11172         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11173         operands into VUSEs when adding V_MAY_DEFs for members in an
11174         alias set.
11175         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11176         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11177         (struct variable_info): Add bitfield is_heap_var.
11178         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11179         (new_var_info): Initialize is_heap_var.
11180         (get_constraint_for): Add HEAP variables to the symbol table.
11181         Mark them with is_heap_var.
11182         (update_alias_info): New.  Taken mostly from the old
11183         compute_points_to_and_addr_escape.
11184         (handle_ptr_arith): New.
11185         (find_func_aliases): Call update_alias_info.
11186         Call handle_ptr_info for tcc_binary expressions.
11187         Call mark_stmt_modified.
11188         (create_variable_info_for): If DECL has subvars, do not create
11189         variables for its subvars.  Always add all the fields.
11190         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11191         SFTs, then add all the SFTs of the structure.
11192         If VI->DECL is an aggregate with subvariables, add the SFT at
11193         VI->OFFSET.
11194         (find_what_p_points_to): If VI is an artificial variable,
11195         translate to bitfields in SSA_NAME_PTR_INFO.
11196         If the solution is empty, set pi->pt_vars to NULL
11197         (init_base_vars): Create ANYOFFSET.
11198         (compute_points_to_sets): Rename from create_alias_vars.
11199         Make extern.
11200         (pass_build_pta): Remove.
11201         (delete_points_to_sets): Rename from delete_alias_vars.
11202         (pass_del_pta): Remove.
11203         * tree-ssa-structalias.h (struct alias_info): Move from
11204         tree-ssa-alias.h.
11205         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11206         NUM_REFERENCES_SET): Likewise.
11207         (compute_points_to_sets, delete_points_to_sets): Declare.
11208
11209 2005-07-09  Richard Henderson  <rth@redhat.com>
11210
11211         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11212         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11213         alpha_split_lock_test_and_set_12): New functions.
11214         * config/alpha/alpha-protos.h: Update.
11215         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11216         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11217         * config/alpha/sync.md (I12MODE): New.
11218         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11219         (sync_<fetchop_name><I48MODE>): Likewise.
11220         (sync_nand<I48MODE>): Likewise.
11221         (sync_old_<fetchop_name><I48MODE>): Likewise.
11222         (sync_new_<fetchop_name><I48MODE>): Likewise.
11223         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11224         (sync_compare_and_swap<I48MODE>): Likewise.
11225         (sync_lock_test_and_set<I48MODE>): Likewise.
11226         (sync_compare_and_swap<I12MODE>): New.
11227         (sync_compare_and_swap<I12MODE>_1): New.
11228         (sync_lock_test_and_set<I12MODE>): New.
11229         (sync_lock_test_and_set<I12MODE>_1): New.
11230
11231 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11232
11233         PR 21356
11234         PR 22332
11235         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11236
11237 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11238
11239         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11240         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11241
11242 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11243
11244         PR target/21656
11245         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11246
11247 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11248
11249         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11250         memory_operand constraint.
11251         (store_conditional_<mode>): Same.
11252         (sync_compare_and_swap<mode>): Same.
11253         (sync_lock_test_and_set<mode>): Same.
11254
11255 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11256
11257         Rewrite PIC support to more closely model actual instructions.
11258         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11259         (cris_symbol): Remove prototypes for removed functions.
11260         (cris_pic_symbol_type_of, cris_valid_pic_const)
11261         (cris_expand_pic_call_address): Prototypes for new functions.
11262         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11263         variable.
11264         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11265         modifiers.
11266         <case ':'>: Add case for new punctuation character.
11267         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11268         emitting (extra) PIC modifier.
11269         <case UNSPEC>: Do not assert for PLT.
11270         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11271         (cris_expand_prologue, cris_expand_epilogue): Check
11272         for pic_offset_table_rtx usage instead of taking
11273         current_function_uses_pic_offset_table as the final word.
11274         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11275         Remove flag_pic difference.
11276         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11277         the moral equivalents of...
11278         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11279         functions.
11280         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11281         (cris_handle_option): Mark ARG as unused.
11282         (cris_expand_pic_call_address): New worker function for "call",
11283         "call_value".
11284         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11285         output PIC constructs here.
11286         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11287         as symbol-specific modifers, not whole or part of operands.
11288         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11289         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11290         constants and flag_pic.
11291         (CONSTANT_INDEX_P): Adjust for new functions.
11292         (enum cris_pic_symbol_type): New helper type.
11293         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11294         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11295         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11296         define_constants.
11297         ("movsi"): Emit actual instructions for GOT and relative access.
11298         ("*movsi_got_load"): New pattern to set up the register holding
11299         the GOT pointer.
11300         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11301         Adjust FIXME for 'S'.
11302         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11303         Use "movs" for -fpic cases.
11304         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11305         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11306         ("call", "call_value"): Just call cris_expand_pic_call_address for
11307         PIC addresses.
11308         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11309         Remove special pattern.
11310         ("*expanded_call_side", "*expanded_call_value_side"): New
11311         patterns.
11312         (gotplt-to-plt, gotplt-to-plt-side-call)
11313         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11314         peephole2:s.
11315         * config/cris/cris/predicates.md
11316         ("cris_general_operand_or_gotless_symbol"): Remove unused
11317         predicate.
11318         ("cris_general_operand_or_symbol"): Adjust for new functions.
11319
11320 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11321
11322         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11323
11324 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11325
11326         * Makefile.in (TREE_H): Add treestruct.def.
11327         (c-decl.o): Add pointer-set.h
11328         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11329         visibility on regular DECL's.
11330         (merge_decls): Fix the copying of decl nodes of various types for
11331         the new structures.  Don't update RTL, section name, weak status,
11332         etc, on DECL's without RTL.
11333         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11334         Don't check volatile on non-variable types.
11335         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11336         to check whether we have seen arguments.
11337         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11338         flag is checked before field (flag is common, field is not).
11339         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11340         TS_DECL_COMMON could have an origin.
11341         (add_location_or_const_value_attribute): Don't check section name
11342         on non-var/function decls.
11343         (dwarf2out_var_location): Reverse order of tests.
11344         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11345         with DECL_WRTL_CHECK.
11346         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11347         * fold-const.c (fold_binary): Don't check weakness on
11348         non-var/function decls.
11349         (tree_expr_nonzero_p): Ditto.
11350         (fold_checksum_tree): Use tree_decl_extra as sizeof
11351         buffer.
11352         * ggc-page.c (extra_order_size_table): Add sizes for
11353         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11354         tree_field_decl.
11355         * gimplify.c (gimplify_bind_expr): Only set
11356         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11357         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11358         without RTL.
11359         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11360         * langhooks.h (init_ts). New langhook.
11361         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11362         * print-tree.c (print_node): Update to only print fields that
11363         exist in the structures the passed decl has.
11364         * toplev.c (wrapup_global_declarations): Don't reset
11365         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11366         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11367         * tree-inline.c (remap_decl): Ditto.
11368         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11369         * tree-pretty-print.c (print_declaration): Don't print
11370         DECL_REGISTER on things that don't contain it.
11371         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11372         non-var/function decls.
11373         * tree.c (tree_contains_struct): New structure.
11374         (init_priority_for_decl): New hashtable.
11375         (tree_int_map): New structure.
11376         (tree_int_map_eq): New function.
11377         (tree_int_map_marked_p): Ditto.
11378         (tree_int_map_hash): Ditto.
11379         (tree_map): Move to tree.h.
11380         (tree_map_eq): Externalize.
11381         (tree_map_hash): Ditto.
11382         (tree_map_marked_p): Ditto.
11383         (init_ttree): Set up tree_contains_struct and call langhook.
11384         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11385         (tree_code_size): Update for new structures.
11386         (tree_node_structure): Update for new structures.
11387         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11388         without the field.
11389         (copy_node_stat):  Copy init priority.
11390         (build_decl_stat): Ditto for visibility.
11391         (ts_enum_names): New.
11392         (tree_contains_struct_check_failed): New function.
11393         (decl_init_priority_lookup): Ditto.
11394         (decl_init_priority_insert): Ditto.
11395         * treestruct.def: New file.
11396         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11397         (CONTAINS_STRUCT_CHECK): Ditto.
11398         (tree_contains_struct_check_failed): New prototype.
11399         (DECL_CHECK): Removed.
11400         (DECL_MINIMAL_CHECK): New.
11401         (DECL_COMMON_CHECK): Ditto.
11402         (DECL_WRTL_CHECK): Ditto.
11403         (DECL_NON_COMMON_CHECK): Ditto.
11404         (DECL_WITH_VIS_CHECK): Ditto.
11405         (VAR_OR_FUNCTION_DECL_P): Ditto
11406         (struct tree_decl_minimal): New structure.
11407         (struct tree_decl_common): Ditto.
11408         (struct tree_decl_with_rtl): Ditto.
11409         (struct tree_decl_with_vis): Ditto.
11410         (struct tree_decl_non_common): Ditto.
11411         (struct tree_field_decl): Ditto.
11412         (struct tree_parm_decl): Ditto.
11413         (struct tree_var_decl): Ditto.
11414         (struct tree_function_decl): Ditto.
11415         (struct tree_const_decl): Ditto.
11416         (struct tree_result_decl): Ditto.
11417         (union tree_node): Add new structures.
11418         * var-tracking.c (track_expr_p): Reverse order of tests.
11419
11420         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11421
11422 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11423
11424         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11425         * system.h: Poison FINALIZE_PIC.
11426         * doc/tm.texi (FINALIZE_PIC): Remove.
11427
11428 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11429
11430         PR tree-opt/22329
11431         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11432         to the correct type if we have a MODIFY_EXPR.
11433
11434 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11435
11436         PR tree-optimization/22360
11437         * tree.c (upper_bound_in_type): Fix calculations for casting
11438         to a non-wider signed type and casting a signed value to a
11439         wider unsigned type.
11440         (lower_bound_in_type): Fix calculations for casting to a
11441         non-wider signed type.
11442
11443         PR tree-optimization/20139
11444         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11445         release_defs.
11446         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11447         fold_cond_expr_cond.
11448         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11449         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11450
11451 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11452
11453         PR tree-opt/22356
11454         * tree-complex.c (expand_complex_libcall): Produce
11455         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11456
11457 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11458
11459         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11460         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11461         b" assert and inserted fastpath code for this case.
11462         (bitmap_ior): Removed "a != b" assert.
11463
11464 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11465
11466         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11467         (ENDFILE_SPEC): Likewise.
11468         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11469
11470         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11471         a large stack frame at epilogue.
11472
11473 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11474
11475         * final.c: Include sdbout.h when required.
11476
11477 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11478
11479         * config.gcc (*-*-darwin*): Only one target-specific header file
11480         for generic darwin.
11481         (powerpc-*-darwin*): Add version-specific header files.
11482         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11483         * config.in: Regenerate.
11484         * configure: Regenerate.
11485         * gcc.c: Include xregex.h.
11486         (version_compare_spec_function): New.
11487         (spec_function): Add version-compare.
11488         (replace_outfile_spec_function): Reformat comment.
11489         (compare_version_strings): New.
11490         * config/darwin-c.c (version_as_macro): New.
11491         (builtin_define): New.
11492         (darwin_cpp_builtins): New.
11493         * config/darwin-protos.h (darwin_cpp_builtins): New.
11494         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11495         (LIB_SPEC): Make unconditional, update comment.
11496         (TARGET_C99_FUNCTIONS): Define.
11497         * config/darwin.opt: Sort.
11498         (mmacosx-version-min=): New.
11499         * config/darwin7.h: Delete.
11500         * config/darwin8.h: Delete.
11501         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11502         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11503         (TARGET_C99_FUNCTIONS): Define.
11504         * config/rs6000/darwin7.h: New.
11505         * config/rs6000/darwin8.h: New.
11506         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11507         (-mmacosx-version-min): Document.
11508
11509 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11510
11511         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11512
11513 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11514
11515         PR middle-end/22239
11516         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11517
11518 2005-07-07  Khem Raj  <kraj@mvista.com>
11519
11520         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11521         in bytes, not words.
11522
11523 2005-07-07  Paul Brook  <paul@codesourcery.com>
11524
11525         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11526         DEFAULT_FUNCTION_ARG_PADDING to upward.
11527
11528 2005-07-07  Richard Henderson  <rth@redhat.com>
11529
11530         * function.c (locate_and_pad_parm): Record parameter alignment in
11531         stack_alignment_needed.
11532
11533 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11534
11535         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11536         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11537         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11538         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11539         (define_attr "type"): Add isync, sync, load_l, store_c.
11540         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11541         Create scratch volatile MEM.
11542         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11543         sync.
11544         (load_locked_<mode>): New.
11545         (store_conditional_<mode>): New.
11546         (sync_compare_and_swap<mode>): Replace with splitter.
11547         (sync_lock_test_and_set<mode>): Replace with splitter.
11548         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11549         and UNSPECV_ISYNC.
11550         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11551         is ics.  Attribute isync.
11552         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11553         lwsync.
11554         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11555         and UNSPECV_SYNC_OP.
11556         (emit_unlikely_jump): New.
11557         (emit_load_locked): New.
11558         (emit_store_conditional): New.
11559         (rs6000_split_compare_and_swap): New.
11560         (rs6000_split_lock_test_and_set): New.
11561         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11562         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11563         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11564         rs6000_split_lock_test_and_set): Declare.
11565         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11566         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11567         store_c, isync, sync.
11568
11569 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11570
11571         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11572         filenames to gtyp-gen.h.
11573         (s-typ-gen): Use it in place of for loops.
11574
11575 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11576
11577         * hooks.c (hook_bool_rtx_int_false): New function.
11578         * hooks.h (hook_bool_rtx_int_false): Declare.
11579         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11580         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11581         * target.h (struct gcc_target): Add commutative_p member.
11582         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11583         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11584         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11585         (pa_commutative_p): New function.
11586         * jump.c (target.h): Include.
11587         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11588         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11589
11590 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11591
11592         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11593         (s390_expand_setmem): New.
11594         * config/s390/s390.c: Likewise.
11595         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11596         Adapt comments.
11597         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11598         general_operand.  Call new function "s390_expand_setmem".
11599         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11600         ("setmem_long", "*setmem_long"): ... this.
11601
11602 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11603
11604         * config/s390/s390.c: (optimization_options): Enable
11605         TARGET_MVCLE at -Os.
11606         * doc/invoke.texi: Document changes in default behaviour.
11607         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11608
11609 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11610
11611         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11612         defined by back-end.
11613
11614 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11615
11616         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11617         all sets in the pattern.
11618         * config/rs6000/rs6000.md (stack_protect_testsi,
11619         stack_protect_testdi): Likewise.
11620
11621 2005-07-06  Jeff Law  <law@redhat.com>
11622
11623         * tree-vrp.c (simplify_using_ranges): Kill.
11624         (vrp_finalize): Remove call to simplify_using_ranges.
11625         (simplify_stmt_using_ranges): New function extracted from
11626         simplify_using_ranges.
11627         (simplify_div_or_mod_using_ranges): Likewise.
11628         (simplify_abs_using_ranges): Likewise.
11629         (simplify_cond_using_ranges): New function.
11630         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11631         * tree-ssa-propagate.c (substitute_and_fold): Call
11632         simplify_stmt_using_ranges if we have range information.
11633
11634 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11635
11636         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11637         ia64_flag_schedule_isns2.
11638
11639         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11640         reading/writing general registers.
11641         (ia64_function_arg): Revert 2005-06-18 change.
11642
11643 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11644
11645         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11646         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11647
11648 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11649
11650         * function.c (expand_function_end): Revert part of 2005-06-27
11651         patch.  Do sjlj_emit_function_exit_after after return_label.
11652
11653 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11654
11655         * doc/install.texi (--disable-libssp): New.
11656
11657 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11658
11659         * doc/invoke.texi: Update -fforce-mem documentation.
11660         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11661         code for -fforce-mem.
11662         * expmed.c: (store_bit_field,store_fixed_bit_field,
11663         extract_bit_field): Ditto.
11664         * expr.c: (convert_move): Ditto.
11665         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11666         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11667         emit_conditional_add,expand_float,expand_fix): Ditto.
11668         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11669         (common_handle_option): Issue warning when -fforce-mem specified.
11670
11671 2005-07-06  Paul Brook  <paul@codesourcery.com>
11672
11673         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11674         argument is empty.
11675         * configure: Regenerate.
11676
11677 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11678
11679         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11680
11681 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11682
11683         Fix PR tree-optimization/22319
11684         Fix PR tree-optimization/22140
11685         Fix PR tree-optimization/22310
11686
11687         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11688         variable sized types.
11689         Use correct type for intermediate structure on *a = *b structure
11690         copies.
11691
11692 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11693
11694         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11695         Remove.
11696         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11697         (machine_function): Move typedef to...
11698         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11699         varargs_save_offset field.
11700         (rs6000_stack_t): Remove varargs_size field.
11701         (setup_incoming_varargs): Allocate varargs save area using
11702         assign_stack_local, try to make it as small as possible.
11703         Save offset from virtual_stack_vars_rtx to the save area
11704         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11705         instead of magic 8 when fp word byte size is used.
11706         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11707         instead of -RS6000_VARARGS_SIZE.
11708         (rs6000_stack_info, debug_stack_info,
11709         rs6000_initial_elimination_offset): Remove all traces of
11710         varargs_size.
11711         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11712         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11713         RS6000_VARARGS_AREA.
11714
11715 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11716
11717         PR tree-optimization/21963
11718         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11719         constant_multiple_of in the same way get_computation_cost_at does.
11720
11721 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11722
11723         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11724         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11725         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11726         and return its previous value.
11727         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11728         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11729         constants.
11730         (stack_protect_set, stack_protect_test): New expanders.
11731         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11732         stack_protect_testdi): New insns.
11733         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11734         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11735
11736 2005-07-06  Jeff Law  <law@redhat.com>
11737
11738         * tree-ssa-dce.c (cfg_altered): New global.
11739         (tree_dce_init): Initialize cfg_altered.
11740         (remove_dead_stmt): If we remove an edge in the CFG, then set
11741         CFG_ALTERED.
11742         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11743         the dominators.
11744
11745 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11746
11747         * Makefile.in (stamp-collect-ld): Use
11748         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11749         ./collect-ld if it already exists.
11750         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11751         Don't remove ./nm if it already exists.
11752
11753 2005-07-05  Devang Patel  <dpatel@apple.com>
11754
11755         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11756         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11757         * tree-vectorizer.c (vect_loop_location): New.
11758         (vect_print_dump_info): Use vect_loop_location.
11759         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11760         (vectorize_loops): Set vect_loop_location.
11761         * tree-vect-analyze.c (vect_analyze_offset_expr,
11762         vect_determin_vectorization_factor, vect_analyze_operations,
11763         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11764         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11765         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11766         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11767         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11768         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11769         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11770         vect_analyze_loop): Adjust vect_print_dump_info API.
11771         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11772         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11773         vect_finish_stmt_generation, vectorizable_assignment,
11774         vectorizable_operation, vectorizable_store, vectorizable_load,
11775         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11776         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11777         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11778         vect_transform_loop): Same.
11779         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11780         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11781         Same.
11782
11783 2005-07-05  Randolph Chung  <tausq@debian.org>
11784
11785         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11786         * configure: Regenerate.
11787         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11788         (pa_tls_referenced_p): Declare.
11789         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11790         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11791         (legitimize_tls_address): New.
11792         (hppa_legitimize_address): Handle TLS addresses.
11793         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11794         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11795         (emit_move_sequence): Handle TLS addresses.
11796         (pa_encode_section_info): Call default handler to handle common
11797         sections.
11798         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11799         (CONSTANT_ADDRESS_P): Reject TLS operands.
11800         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11801         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11802         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11803         (UNSPEC_TLSLE): Define new constants.
11804         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11805         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11806         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11807         (tie_symbolic_operand, tle_symbolic_operand): New
11808
11809 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11810
11811         * aclocal.m4: Update macros for autoconf 2.59 style.
11812         * configure.ac: Likewise.
11813
11814 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11815
11816         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11817         (function_arg): Pass small aggregates in general registers on 32-bit
11818         targets.
11819         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11820
11821 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11822
11823         * Makefile.in (final.o): Fix dependencies.
11824
11825 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11826
11827         PR c/22013
11828         PR c/22098
11829         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11830         * langhooks.c (lhd_expr_to_decl): New.
11831         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11832         New.
11833         (LANG_HOOKS_INITIALIZER): Update.
11834         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11835         expr_to_decl langhook.
11836         * c-tree.h (c_expr_to_decl): Declare.
11837         * c-typeck.c (c_expr_to_decl): New.
11838         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11839         specially.
11840         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11841
11842 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11843
11844         PR c/22308
11845         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11846         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11847
11848 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11849
11850         * Makefile.in: Adjust dependencies.
11851         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11852         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11853         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11854         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11855         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11856         rest_of_compilation.
11857
11858         * bb-reorder.c (gate_duplicate_computed_gotos,
11859         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11860         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11861         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11862         pass_partition_blocks): New.
11863         * bt-load.c (gate_handle_branch_target_load_optimize,
11864         rest_of_handle_branch_target_load_optimize,
11865         pass_branch_target_load_optimize): New.
11866         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11867         pass_jump2): New.
11868         * cfglayout.c (pass_insn_locators_initialize): New.
11869         * cfgrtl.c (pass_free_cfg): New.
11870         * combine.c (gate_handle_combine, rest_of_handle_combine,
11871         pass_combine): New.
11872         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11873         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11874         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11875         * except.c (pass_set_nothrow_function_flags,
11876         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11877         pass_rtl_eh): New.
11878         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11879         rest_of_handle_shorten_branches, pass_shorten_branches,
11880         rest_of_clean_state, pass_clean_state): New.
11881         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11882         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11883         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11884         pass_flow2): New.
11885         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11886         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11887         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11888         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11889         pass_gcse): New.
11890         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11891         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11892         pass_rtl_ifcvt, gate_handle_if_after_combine,
11893         rest_of_handle_if_after_combine, pass_if_after_combine,
11894         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11895         pass_if_after_reload): New.
11896         * integrate.c (pass_initial_value_sets): New.
11897         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11898         pass_purge_lineno_notes): New.
11899         * mode-switching.c (rest_of_handle_mode_switching,
11900         pass_mode_switching): New.
11901         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11902         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11903         pass_loop2): New.
11904         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11905         pass_loop_optimize): New.
11906         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11907         pass_sms): New.
11908         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11909         pass_gcse2): New.
11910         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11911         pass_postreload_cse): New.
11912         * profile.c (gate_handle_profiling, pass_profiling,
11913         rest_of_handle_branch_prob, pass_branch_prob): New.
11914         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11915         pass_split_before_regstack, gate_handle_split_before_regstack,
11916         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11917         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11918         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11919         pass_stack_regs): New.
11920         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11921         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11922         pass_stack_adjustments): New.
11923         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11924         pass_regrename): New.
11925         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11926         pass_delay_slots, gate_handle_machine_reorg,
11927         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11928         * rtl.h (extern void purge_line_number_notes): New.
11929         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11930         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11931         pass_sched2): New.
11932         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11933         pass_tracer): New.
11934         * value-prof.c (gate_handle_value_profile_transformations,
11935         rest_of_handle_value_profile_transformations,
11936         pass_value_profile_transformations): New.
11937         * var-tracking.c (gate_handle_var_tracking,
11938         pass_variable_tracking): New.
11939         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11940
11941         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
11942         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
11943         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
11944         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11945         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11946         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11947         rest_of_handle_gcse2, rest_of_handle_regmove,
11948         rest_of_handle_tracer, rest_of_handle_if_conversion,
11949         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11950         rest_of_handle_web, rest_of_handle_branch_prob,
11951         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11952         rest_of_handle_jump_bypass, rest_of_handle_combine,
11953         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11954         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11955         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11956         rest_of_handle_mode_switching, rest_of_handle_jump,
11957         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11958         rest_of_handle_flow2, rest_of_handle_jump2,
11959         rest_of_handle_peephole2, rest_of_handle_postreload,
11960         rest_of_handle_shorten_branches, rest_of_clean_state,
11961         rest_of_compilation): Remove.
11962
11963         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11964         * passes.c (dump_flags, in_gimple_form, all_passes,
11965         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11966         register_dump_files, next_pass_1, last_verified, execute_todo,
11967         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11968         from tree-optimize.c.
11969         (init_optimization_passes): Moved from tree-optimize.c,
11970         adding the RTL optimizations.
11971         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11972         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11973         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11974         register_dump_files, next_pass_1, last_verified, execute_todo,
11975         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11976         init_tree_optimization_passes, ipa_passes): Delete.
11977         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11978         the RTL dumps.
11979         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11980         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11981         from tree.h.
11982         (ipa_passes): Remove.
11983         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11984         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11985         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11986         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11987         (dump_info_p, dump_flag): Moved to tree-dump.h.
11988
11989         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11990         cgraph.c, opts.c.
11991         * passes.c (finish_optimization_passes): Use dump_begin
11992         and dump_end, TDI_end.
11993         (gate_rest_of_compilation): New.
11994         (pass_rest_of_compilation): Use it.
11995         (gate_postreload, pass_postreload): New.
11996         * toplev.c (general_init): Rename init_tree_optimization_passes.
11997         * toplev.h (init_tree_optimization_passes): Rename to
11998         init_optimizations_passes.
11999         * tree-dump.c (dump_flag): Make static.
12000         (dump_files): Remove RTL dumps.
12001         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12002         pass_cleanup_cfg, pass_free_cfg_annotations,
12003         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12004         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12005         * tree-pretty-print.c: Include tree-pass.h.
12006         * cgraph.c: Include tree-dump.h.
12007
12008 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12009
12010         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12011         Only fall back to saying it points to readonly memory if
12012         we can't do better.
12013
12014 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12015
12016         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12017         * config/m32r/m32r.c (m32r_compute_frame_size,
12018         m32r_expand_prologue): Take current_function_profile into
12019         account whenever we reference
12020         current_function_uses_pic_offset_table.
12021         (m32r_finalize_pic): Remove.
12022         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12023
12024 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12025
12026         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12027         instead of $<.  Don't remove ./as if it already exists.
12028
12029 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12030
12031         PR target/21723
12032         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12033         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12034         for complex modes when generating code for PA 1.0.
12035         (VALID_FP_MODE_P): New macro.
12036         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12037         sets for all general and floating point modes.  Align wide floating
12038         point modes to even register boundaries to comply with architectural
12039         requirements.
12040         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12041         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12042         (VALID_FP_MODE_P): New macro.
12043         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12044         sets for all general and floating point modes.  Align wide floating
12045         point modes to even register boundaries to comply with architectural
12046         requirements.
12047
12048 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12049
12050         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12051         to 0.
12052
12053 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12054
12055         * tree-ssa-structalias.c: Don't include expr.h.
12056
12057 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12058
12059         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12060         comments.
12061
12062 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12063
12064         Fix PR tree-optimization/22279
12065
12066         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12067         correct operator.
12068
12069 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12070
12071         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12072
12073 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12074
12075         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12076         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12077         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12078         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12079         config/stormy16/stormy16.c, config/v850/v850.c,
12080         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12081         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12082         Avoid "." or "\n" at end of diagnostics and capital letters at
12083         start of diagnostics.
12084         * combine.c, cse.c: Don't translate dump file output.
12085         * toplev.c (print_version): Only translate output if going to
12086         stderr.
12087
12088 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12089
12090         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12091         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12092         typos.
12093
12094 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12095
12096         * pa.c (fix_range): Fix typo in comment.
12097
12098 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12099
12100         * tree-vrp.c (extract_range_from_assert): Replace
12101         fold (build (...)) with fold_build2.
12102
12103 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12104
12105         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12106         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12107         (format_types_orig, handle_format_attribute): Add support for
12108         format "gcc_gfc".
12109
12110 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12111
12112         * varasm.c (assemble_variable): Fix format specifier thinko.
12113
12114 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12115
12116         PR tree-optimization/22029 (and 22135)
12117         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12118         a phi node before calling dump_vops.
12119
12120 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12121
12122         * tree-dump.h (dump_string_field): Declare.
12123         * tree-dump.c: Use it instead of dump_string.
12124         (dump_string_field): Make non-static.
12125
12126 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12127
12128         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12129         up the minimal CFG stuff always when optimize > 0.  Call
12130         split_all_insns_noflow in PIC case if needed.
12131
12132 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12133             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12134
12135         PR c++/18279
12136         * c-decl.c (c_write_global_declarations): Dump contents of
12137         external scope to.
12138         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12139         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12140         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12141         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12142         is enabled.
12143
12144 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12145
12146         * c-common.h (GCC_DIAG_STYLE): Define.
12147         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12148         version for format checking to 4.1.
12149         * c-format.c: Include toplev.h after c-common.h.
12150         (enum format_type): Add gcc_tdiag_format_type.
12151         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12152         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12153         (format_types_orig): Add gcc_tdiag.
12154         (init_dynamic_diag_info): Support gcc_tdiag formats.
12155         (handle_format_attribute): Likewise.
12156         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12157         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12158         version for format checking to 4.1.
12159         (warning0, warning, error, pedwarn, sorry): Use
12160         ATTRIBUTE_GCC_DIAG.
12161         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12162         (finish_aliases_1): Do not use %qE.
12163         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12164         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12165         Correct format bugs.
12166         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12167         parameter to unsigned HOST_WIDE_INT.
12168         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12169
12170 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12171
12172         PR middle-end/21742
12173         * expr.c (write_complex_part): Use adjust_address for MEM.
12174         (read_complex_part): Same.
12175
12176 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12177
12178         Fix PR tree-optimization/22280
12179
12180         * tree-sra.c (generate_element_init): Remove useless loop.
12181
12182 2005-07-02  Richard Henderson  <rth@redhat.com>
12183
12184         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12185         TLS_MODEL_NONE.
12186         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12187
12188 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12189
12190         PR middle-end/14490
12191         * fold-const.c (fold_binary): Handle the return value of
12192         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12193         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12194
12195 2005-07-02  Jeff Law  <law@redhat.com>
12196
12197         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12198         a eliminate type conversion which feeds an equality comparison
12199         if the original type or either operand in the comparison is a
12200         function pointer.
12201
12202 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12203
12204         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12205         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12206         texts.
12207         * config/avr/avr.c: Do not use '`' as left quote.
12208         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12209         Remove "." from end of diagnostics.  Make diagnostics start with
12210         lowercase letter.
12211
12212 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12213             Joseph S. Myers  <joseph@codesourcery.com>
12214
12215         * toplev.c (default_tree_printer): Handle setting location with
12216         '+' flag.
12217         * c-objc.common.c (c_tree_printer): Likewise.
12218         * c-format.c (gcc_diag_flag_specs): Add '+'.
12219         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12220         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12221         formats.
12222         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12223         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12224         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12225         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12226         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12227         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12228         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12229         format arguments where %J is used without %D.
12230
12231 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12232
12233         * gcc.c (LINK_SSP_SPEC): Define.
12234         (link_ssp_spec): New variable.
12235         (LINK_COMMAND_SPEC): Add %(link_ssp).
12236         (static_specs): Add link_ssp_spec.
12237         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12238         * configure: Rebuilt.
12239         * config.in: Rebuilt.
12240
12241         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12242         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12243         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12244         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12245         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12246         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12247         -0x7008(2) instead of reading __stack_chk_guard variable.
12248         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12249         number.
12250         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12251         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12252         if TARGET_THREAD_SSP_OFFSET is defined.
12253         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12254         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12255
12256         Revert:
12257         2005-06-27  Richard Henderson  <rth@redhat.com>
12258         * libgcc-std.ver (GCC_4.1.0): New.
12259         * libgcc.h (__stack_chk_guard): Declare.
12260         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12261         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12262         * mklibgcc.in (lib2funcs): Add them.
12263
12264 2005-07-01  Richard Henderson  <rth@redhat.com>
12265
12266         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12267         void * before struct sigcontext *.
12268         (x86_fallback_frame_state): Likewise.
12269
12270 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12271
12272         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12273
12274 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12275
12276         PR tree-opt/22269
12277         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12278         we check for SSA_NAME for.
12279
12280 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12281
12282         Fix PR tree-optimization/22071
12283
12284         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12285         function.
12286         (get_constraint_for_component_ref): Use it.
12287
12288 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12289
12290         PR other/22264
12291         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12292         print out the last new line.
12293
12294 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12295
12296         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12297         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12298         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12299         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12300         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12301         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12302         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12303         (enum reg_class): New member CC0_REGS.
12304         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12305         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12306         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12307         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12308         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12309         Adjust for register now described.
12310
12311 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12312
12313         PR target/22262
12314         * config/i386/i386.md (stack_protect_test_si,
12315         stack_protect_test_di): Add earlyclobber for scratch 3.
12316         * config/rs6000/rs6000.md (stack_protect_testsi,
12317         stack_protect_testdi): Add earlyclobber for scratch 3,
12318         remove earlyclobber from scratch 4.
12319
12320 Older entries for 2005 can be found in ChangeLog-2005.