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* tree-vn.c (vn_add): Use XNEW.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-17  Paul Brook  <paul@codesourcery.com>
2
3         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
4         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
5         when frame_pointer_needed. 
6
7 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8
9         * tree-vn.c (vn_add): Use XNEW.
10         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
11         (ccp_fold): Likewise.
12         (fold_stmt_r): Use explicit cast to convert from void *.
13         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
14         (new_temp_expr_table): Likewise.
15         * gimplify.c (lookup_tmp_var): Use XNEW.
16         (gimplify_asm_expr): Use explcit cast to convert from void *.
17         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
18         (get_def_blocks_for): Use XNEW.
19         (add_to_repl_tbl): Likewise.
20         (mark_def_sites): Use explicit cast to convert from void *.
21         (def_blocks_free): Likewise.
22         (mark_def_sites_initialize_block): Likewise.
23         (update_ssa): Use XNEWVEC.
24         * tree-dfa.c (create_var_ann): Use GGC_NEW.
25         (create_stmt_ann): Likewise.
26         (create_tree_ann): Likewise.
27         (referenced_var_insert): Likewise.
28         (set_default_def): Likewise.
29         (referenced_var_lookup_if_exists): Use explicit cast to convert
30         from void *.
31         (referenced_var_lookup): Likewise.
32         (default_def): Likewise.
33         (set_default_def): Likewise.
34         * tree-cfg.c (create_bb): Likewise.
35         (edge_to_cases_cleanup): Likewise.
36         (verify_node_sharing): Likewise.
37         (record_switch_edge): Use XNEW.
38         (cleanup_dead_labels): Use XCNEWVEC.
39         (tree_duplicate_sese_region): Use XNEWVEC.
40         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
41         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
42         (int_tree_map_eq): Use explicit cast to convert from void *.
43         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
44         (__gcov_execl): Likewise.
45         (__gcov_execlp): Likewise.
46         (__gcov_execle): Likewise.
47         * tree-eh.c (struct_ptr_eq): Likewise.
48         (struct_ptr_hash): Likewise.
49         (lookup_stmt_eh_region_fn): Likewise.
50         (outside_finally_tree): Likewise.
51         (find_goto_replacement): Likewise.
52         (make_eh_edge): Likewise.
53         (mark_eh_edge): Likewise.
54         (add_stmt_to_eh_region_fn): Use GGC_NEW.
55         (record_in_finally_tree): Use XNEW.
56         (maybe_record_in_goto_queue): Use XRESIZEVEC.
57         (lower_try_finally_copy): Use XCNEWVEC.
58
59 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
60
61         * tree-inline.c (copy_body_r): Use explicit cast when converting
62         from void *.
63         (copy_bb): Likewise.
64         (copy_edges_for_bb): Likewise.
65         (remap_decl_1): Likewise.
66         (estimate_num_insns_1): Likewise.
67         * cgraph.c (hash_node): Use explicit cast when converting from
68         void *.
69         (eq_node): Likewise.
70         (cgraph_create_node): Use GGC_CNEW.
71         (cgraph_create_edge): Use GGC_NEW.
72         (cgraph_remove_node): Use explicit cast when converting from void *.
73         (hash_varpool_node): Likewise.
74         (eq_varpool_node): Likewise.
75         (cgraph_varpool_node): Use GGC_CNEW.
76         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
77         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
78         (eq_scev_info): Use explicit cast when converting from void *.
79         (find_var_scev_info): Likewise.
80         (set_instantiated_value): Likewise.
81         (gather_stats_on_scev_database_1): Likewise.
82         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
83         from void *.
84         * c-pch.c (c_common_write_pch): Use XNEWVEC.
85         (c_common_read_pch): Likewise.
86         * prefix.c (save_string): Use XNEWVEC.
87         (translate_name): Use explicit cast when converting from void *.
88         * c-ppoutput.c (print_line): Use explicit cast when converting
89         from void *.
90         (pp_dir_change): Likewise.
91         * c-cppbuiltin.c (builtin_define_std): Likewise.
92         (builtin_define_with_value): Likewise.
93         (builtin_define_with_value_n): Likewise.
94         (builtin_define_with_int_value): Likewise.
95         (builtin_define_type_max): Likewise.
96         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
97         (add_path): Use XNEW.
98         * c-format.c (check_format_info_main): Use GGC_NEW.
99         (format_type_warning): Use explicit cast when converting from void *.
100         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
101         xmalloc. 
102         (start_init): Likewise.
103         * tree-flow-inline.h (first_referenced_var): Use explicit cast
104         when converting from void *.
105         (next_referenced_var): Likewise.
106         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
107         * gensupport.c (lookup_predicate): Use explicit cast to convert
108         from void *.
109         (init_predicate_table): Use XCNEW instead of xcalloc.
110         * genpreds.c (process_define_predicate): Likewise.
111
112 2005-12-17  Danny Berlin <dberlin@dberlin.org>
113             Kenneth Zadeck <zadeck@naturalbridge.com>
114
115         * basic-block.h: Changed basic block numbering so that the entry
116         block is 0 and the exit block is 1.  Changed insn iterators so
117         that they are tolerant of blocks with no insns.
118         * regrename.c (copyprop_hardreg_forward): Changed basic block
119         numbering so that the entry block is 0 and the exit block is 1.
120         * sched-ebb.c (sehedule_ebbs): Ditto.
121         * tracer.c (branch_ratio_cutoff): Ditto.
122         * cfgloopmanip.c (fix_loop_structure): Ditto.
123         * cfghooks.c (verify_flow_info): Ditto.
124         * cfg.c (compact_blocks): Ditto.
125         * reorg.c (dbr_schedule): Ditto.
126         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
127         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
128         calculate_dominance_info): Ditto.
129         * cfganal.c (create_edge_list, print_edge_list,
130         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
131         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
132         dfs_enumerate_from): Ditto.
133         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
134         * ifcvt.c (find_if_case_2): Ditto.
135         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
136         find_basic_blocks): Ditto.
137         * predict.c (predict_loops, tree_bb_level_predictions,
138         predict_paths_leading_to, propagate_freq): Ditto.
139         * lcm.c (compute_antinout_edge, compute_laterin,
140         compute_available): Ditto.
141         * function.c (thread_prologue_and_epilogue_insns): Ditto.
142         * gcse.c (gcse_main, bypass_jumps): Ditto.
143         * profile.c (compute_branch_probabilities,
144         compute_value_histograms, branch_prob): Ditto.
145         * tree-flow-inline.h (bsi_start, bsi_after_labels,
146         bsi_last): Ditto.
147         * tree-ssa-phiopt.c (tree_ssa_phiopt,
148         blocks_in_phiopt_order): Ditto.
149         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
150         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
151         * tree-dfa.c (collect_dfa_stats): Ditto.
152         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
153         * cfglayout.c (fixup_reorder_chain): Ditto.
154         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
155         partition_hot_cold_basic_blocks): Ditto.
156         * var-tracking.c (vt_find_locations): Ditto.
157         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
158         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
159         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
160         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
161         * tree-ssa-reassoc.c (init_reassoc): Ditto.
162         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
163         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
164         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
165         and removed unused reverse orders.
166         * df.h (): Ditto.
167         * combine.c: Fix document typo.
168
169 2005-12-17  Jan Hubicka  <jh@suse.cz>
170
171         * tree-flow-inline.h (set_default_def, default_def): Kill.
172         * tree-dfa.c (default_defs): New global variable.
173         (default_def, set_default_def): New functions.
174         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
175         * tree-flow.h (struct var_ann_d): Kill default_def field.
176         (set_default_def, default_def): Update prototype.
177         (default_defs): Declare.
178
179 2005-12-16  Jeff Law  <law@redhat.com>
180
181         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
182         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
183         into tree-ssa-forwprop.c.
184         (eliminate_redundant_computations): Do not call
185         simplify_rhs_and_lookup_avail_expr anymore.
186         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
187         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
188         (tree_ssa_forward_propagate_single_use_vars): Call
189         simplify_not_neg_expr appropriately.
190
191 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
192
193         PR target/20016
194         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
195
196 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
197
198         PR rtl-optimization/25456
199         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
200         info->x_start with p->x_start.
201
202 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
203
204         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
205         introduced 2005-12-16.
206
207 2005-12-16  Steven Bosscher  <stevenb@suse.de>
208
209         PR rtl-optimization/23837
210         * optabs.c (expand_binop): For a multi-word rotate, never emit
211         a REG_NO_CONFLICT block.
212
213 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
214
215         PR middle-end/25457
216         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
217
218         PR target/25447
219         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
220         MODE_DECIMAL_FLOAT.
221
222 2005-12-16  Steven Bosscher  <stevenb@suse.de>
223
224         * loop-invariant.c (move_loop_invariants): Add missing hunk from
225         the previous patch, to nullify df.
226
227 2005-12-16  Steven Bosscher  <stevenb@suse.de>
228
229         * reorg.c (mostly_true_jump): Clean up code depending on
230         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
231         poor man's branch prediction, instead rely on REG_BR_PROB
232         notes to be available.
233
234 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
235
236         PR rtl-optimization/24899
237         * loop.c (strength_reduce): Don't reduce giv that is not always
238         computable and where add_val or mult_val can trap.
239
240         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
241
242 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
243
244         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
245         names of ms1-16-002 files.
246
247 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
248
249         PR driver/20425
250         * gcc.c (for_each_path): New function.
251         (add_to_obstack, file_at_path): New functions.
252         (struct file_at_path_info, struct add_to_obstack_info): New.
253         (build_search_list): Rewrite using for_each_path.  Constify struct
254         path_prefix pointer.  Add do_multi param.  Adjust all callers.
255         (find_a_file): Similarly, but just change existing param to bool.
256         (putenv_from_prefixes): Add do_multi param, make "paths" const.
257         (do_spec_path): Delete.
258         (struct spec_path_info): New.
259         (spec_path): New function.
260         (do_spec_1): Use for_each_path for %D and %I.
261         (find_file): Adjust for find_a_file changes.
262         (main): Search multilibs for specs.  Print multilib lib path for
263         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
264         (read_specs): Search multilibs for %include and %include_noerr.
265         (is_directory): Remove second string param.  Change last param
266         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
267         check path is a dir.  Update all callers.
268         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
269         * system.h (SMALL_ARG_MAX): Poison.
270         * config.gcc: Don't define SMALL_ARG_MAX.
271         * config.host: Likewise.
272         * config.build: Likewise.
273
274 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
275
276         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
277         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
278         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
279         simplify_logical): Move simplifications that do not require
280         additional infrastructure...
281         * simplify-rtx.c (simplify_unary_operation_1,
282         simplify_binary_operation_1): ... here.
283
284 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
285
286         PR 24823
287         * flow.c (mark_used_dest_regs): New function.
288         (mark_used_regs): Call mark_used_dest_regs.
289
290 2005-12-16  Jeff Law  <law@redhat.com>
291
292         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
293         represent a use and definition of the same SSA_NAME.
294
295 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
296             Janis Johnson  <janis187@us.ibm.com>
297             Ben Elliston  <bje@au.ibm.com>
298
299         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
300         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
301         * target.h (struct gcc_target): Add decimal_float_supported_p.
302         * targhooks.c (default_scalar_mode_supported_p): Handle
303         MODE_DECIMAL_FLOAT.
304         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
305         of inf, nan, finite, isinf and isnan.
306         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
307         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
308         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
309         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
310         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
311         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
312         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
313         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
314         Pedwarn if decimal floating point types are used.  Error if
315         decimal floating point is not supported by the target.
316         (finish_declspecs): Return type from DFP typespec_word.
317         * c-typeck.c (c_common_type): Choose the decimal floating point
318         type with the greater precision when determining a common type.
319         (convert_arguments): Warn if there is a mismatch between argument
320         and prototype for decimal float types.  Warn of conversions with
321         binary float types and of precision narrowing due to prototype.
322         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
323         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
324         (c_token_starts_declspecs): Likewise.
325         (c_parser_attributes): Likewise.
326         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
327         RID_DFLOAT64, RID_DFLOAT128.
328         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
329         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
330         (shorten_compare): Convert DFP/BFP operands to a common type.
331         (c_common_modes_and_builtins): Register built-in decimal float
332         types if the target supports them.
333         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
334         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
335         inf, nan, finite, isinf and isnan builtins.
336         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
337         (builtin_define_float_constants): Assert non-decimal radix.
338         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
339         Call builtin_define_decimal_float_constants for each type.
340         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
341         flags.  Use real_from_string3, which can handle binary or decimal
342         floats.
343         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
344         cts_dfloat64, cts_dfloat128.
345         * tree.c (build_common_tree_nodes_2): Add decimal float types.
346         * tree.h (enum tree_index): Add new enumeration values
347         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
348         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
349         (dfloat32_type_node): New macro.
350         (dfloat64_type_node, dfloat128_type_node): Likewise.
351         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
352         (dfloat128_ptr_type_node): Likewise.
353         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
354         bit decimal floating point types with "df", "dd" and "dl".
355         * c-format.h (enum format_lengths): Add new enumeration values
356         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
357         * c-format.c (printf_length_specs, scanf_length_specs): Add
358         entries for H, D, DD.
359         (print_char_table, scan_char_table): Use new entries.
360         (asm_fprintf_char_table, gcc_diag_char_table,
361         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
362         length arrays.
363         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
364         (DECIMAL64_TYPE_SIZE): Likewise.
365         (DECIMAL128_TYPE_SIZE): Likewise.
366         (TARGET_DEC_EVAL_METHOD): Likewise.
367         * doc/extend.texi (Decimal Float): New node.
368         (Constructing Calls): Document decimal float built-ins.
369         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
370         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
371         * ginclude/decfloat.h: New file.
372
373 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
374
375         * reload.c (find_reloads): Fix comment typo.
376         * recog.h (recog_memoized): Correct comment.
377
378 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
379
380         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
381         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
382         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
383         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
384         * doc/invoke.texi, doc/tm.texi: Fix typos.
385
386 2005-12-16  Ben Elliston  <bje@au.ibm.com>
387
388         * real.c (decimal_quad_format): Correct values for emin, emax.
389
390 2005-12-15  DJ Delorie  <dj@redhat.com>
391
392         * config/m32c/predicates.md (m32c_psi_scale): New.
393         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
394         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
395
396 2005-12-16  Jan Hubicka  <jh@suse.cz>
397
398         PR rtl-optimization/25224
399         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
400         tables.
401
402 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
403             Steven Bosscher <stevenb@suse.de>
404
405         * loop-invariant.c (df): New global variable.
406         (find_defs, check_dependencies, find_invariant_insn, record_uses,
407         find_invariants_bb, find_invariants_body, find_invariants,
408         find_invariants_to_move, move_invariants, free_inv_motion_data,
409         move_single_loop_invariants, move_loop_invariants): Do not pass df in
410         arguments.
411
412 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
413
414         * varasm.c (default_unique_section_1): Use special section
415         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
416
417 2005-12-16  Ben Elliston  <bje@au.ibm.com>
418
419         * doc/invoke.texi (Warning Options): Document -Walways-true being
420         enabled by -Wall.
421
422 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
423
424         PR other/25028
425         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
426         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
427         __floatunditf): Use #error if type sizes don't match requirements
428         of implementation.
429         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
430         as wider floating-point type.  Use #error if type sizes don't
431         match requirements of implementation.  Avoid overflow in computing
432         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
433         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
434         (__floatundisf, __floatundidf): Likewise.
435         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
436         * config/ia64/ia64.c (ia64_init_libfuncs): Use
437         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
438         TFmode-TImode conversions.
439         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
440
441 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
442
443         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
444         Use builtin_define_with_int_value() instead of
445         adding a new check for every new major FreeBSD version.
446
447 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
448
449         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
450
451 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
452
453         * config/arm/predicates.md (call_memory_operand): New.
454         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
455
456 2005-12-15  Andrew Haley  <aph@redhat.com>
457
458         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
459         against prev_cache_entry == NULL when moving a cache entry to the
460         head of the list.
461         
462 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
463
464         * config/mt/mt.c (mt_override_options): Require lower case
465         architectures.  Revert accidental default to ms2.
466         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
467         ENDFILE_SPEC): Require lower case architectures.  Revert default
468         to ms2.
469
470         * doc/invoke.texi (MT Options): Rename and update.
471         * doc/md.texi (MorphoTech family): Rename and update.
472
473 2005-12-15  Olivier Hainque  <hainque@adacore.com>
474
475         * stor-layout.c (layout_type): Don't complain about a too small
476         an array element type size compared to its alignment when the
477         size overflows.
478
479 2005-12-15  Jan Hubicka  <jh@suse.cz>
480
481         PR target/24969
482         * i386.c (classify_argument): Properly adjust offset of bitfield for
483         substructures.
484
485 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
486
487         * final.c (final_scan_insn): Flip in_cold_section_p when changing
488         between the hot and cold sections.  Use current_function_section
489         to get the new section.
490         * dwarf2out.c (output_line_info): Use in_cold_section_p to
491         determine whether we are assembling hot or cold code.
492         (secname_for_decl, dwarf2out_var_location): Likewise.
493         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
494         * varasm.c (last_text_section): Delete.
495         (in_cold_section_p): New variable.
496         (hot_function_section): New function.
497         (current_function_section): Pass in_cold_section_p as the
498         reloc argument to select_section.  Use it to decide between
499         unlikely_function_section and hot_function_section.
500         (assemble_start_function): Use switch_to_section.  Set
501         in_cold_section_p instead of last_text_section.
502         (assemble_end_function): Use switch_to_section.
503         (switch_to_section): Don't set last_text_section.
504         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
505         argument to make the right choice between hot and cold sections.
506
507 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
508
509         Second part of MS1->MT renaming
510         * config/mt/mt.md (doloop_end): Call mt_add_loop.
511         (movqi, movhi): Call mt_set_memflags.
512         (*movdf_internal): Call mt_split_words. 
513         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
514         mt_set_memflags.
515         (cmpsi): Store to mt_compare_op[01].
516         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
517         bungt, bunle, bunlt): Call mt_emit_cbranch.
518         (prologue): Call mt_expand_prologue.
519         (epilogu): Call mt_expend_epilogue.
520         (eh_return): Call mt_expand_eh_return.
521         (eh_epilogue): Call me_emit_eh_epilogue.
522         (conditional_trap): Store to mt_compare_op[01].
523         * config/mt/crti.asm: Adjust comment.
524         * config/mt/crtn.asm: Adjust comment.
525         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
526         (mt_compare_op0, mt_compare_op1): Renamed.
527         (current_frame_info, zero_frame_info): Adjust type.
528         (mt_ucmpsi3_libcall): Renamed.
529         (mt_flag_delayed_branch): Renamed.
530         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
531         (mt_nops_required, mt_nop_reasons): Renamed.
532         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
533         mt_debug_stack, mt_print_operand_simple_address,
534         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
535         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
536         mt_function_arg_advance, mt_arg_partial_bytes,
537         mt_pass_by_reference, mt_function_arg_boundary,
538         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
539         mt_legitimate_address_p): Renamed, adjusted.
540         (mt_cpu): Renamed.
541         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
542         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
543         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
544         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
545         mt_expand_eh_return, mt_emit_eh_prologue,
546         mt_handl_interrupt_attribute): Renamed, adjusted.
547         (mt_attribute_table): Renamed, adjusted.
548         (mt_initial_elimination_offset, mt_generate_compare,
549         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
550         mt_secondary_reload_class, mt_function_value, mt_split_words,
551         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
552         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
553         (mt_labels): Renamed.
554         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
555         mt_machine_reorg): Renamed, adjusted.
556         (mt_attribute_table: Renamed.
557         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
558         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
559         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
560         * config/mt/mt.opt (march): Set mt_cpu_string.
561         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
562         (TARGET_CPU_CPP_BUILTINS): Adjust.
563         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
564         TARGET_MS2): Adjust.
565         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
566         (MT_MIN_INT): Renamed.
567         (RETURN_ADDR_RTX): Adjust.
568         (struct mt_frame_info): Renamed.
569         (current_frame_info): Adjust type.
570         (INITIAL_ELIMINATION_OFFSET): Adjust.
571         (MT_NUM_ARG_REGS): Renamed.
572         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
573         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
574         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
575         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
576         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
577         (mt_compare_op0, mt_compare_op1): Renamed.
578         * config/mt/mt-protos.h: Rename prototypes.
579
580 2005-12-15  Richard Guenther  <rguenther@suse.de>
581
582         * tree-flow.h (okay_component_ref_for_subvars): Remove.
583         (get_ref_base_and_extent): Declare.
584         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
585         (get_ref_base_and_extent): New function.
586         * tree-ssa-alias.c (find_used_portions): Use it.
587         * tree-ssa-structalias.c (get_constraint_for_component_ref):
588         Likewise.
589         * tree-ssa-operands.c (get_expr_operands): Likewise.
590
591 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
592
593         * combine.c: Remove force_to_mode's fourth parameter.
594         (force_to_mode): Do not handle REG.
595         (canon_reg_for_combine): New.
596         (make_field_assignment): Use it where the removed argument was non-NULL.
597
598 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
599
600         PR target/25406
601         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
602         error_mark_node.  Make alignment params unsigned.
603         * config/rs6000/rs6000-protos.h
604         (rs6000_special_round_type_align): Update prototype.
605         (rs6000_machopic_legitimize_pic_address): Remove arg names.
606
607 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
608
609         PR rtl-optimization/25310
610         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
611         of the eliminable register when substituting into a PLUS.
612
613 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
614
615         PR debug/25023
616         * config/i386/i386.c (ix86_force_to_memory): Always use
617         SImode push for HImode in -m32.
618         (ix86_free_from_memory): Likewise.
619
620 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
621
622         * gcc/config/arm/arm.md: Provide a big-endian version of the
623         (zero_extend:SI (subreg:QI ...)) splitter.
624
625 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
626
627         * struct-equiv.c (note_local_live): Handle hard regs with different
628         hard_regno_nregs.
629
630 2005-12-14  Jeff Law  <law@redhat.com>
631
632         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
633         to a structure containing state rather than a pointer to bool.
634         (case ARRAY_REF): New code to handle folding some array references.
635         (case ADDR_EXPR): Note when we are processing expressions found
636         within an ADDRE_EXPR.
637         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
638         for state variables rather than just a pointer to a boolean.
639         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
640         handling of constant string references.
641
642 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
643
644         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
645         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
646         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
647         Move other tst* patterns to retain partial order.
648
649 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
650
651         * config/s390/s390.md ("d0", "1"): New mode attributes.
652         ("<shift>di3", "<shift>si3"): Merge.
653         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
654         ("ashrdi3", "ashrsi3"): Merge.
655         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
656         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
657         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
658         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
659         ("*ashrdi3", "*ashrsi3"): Merge.
660         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
661
662 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
663
664         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
665         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
666         ("*extendqidi2", "*extendqisi2") Merge.
667         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
668         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
669         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
670         Move some patterns to retain partial ordering.
671
672 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
673
674         * config/s390/s390.md ("atype", "length"): Rewrite.
675         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
676
677 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
678
679         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
680
681 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
682
683         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
684         PARALLELs with a mode.
685
686 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
687
688         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
689         cond_expr parameter.
690
691 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
692
693         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
694
695 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
696
697         PR bootstrap/25397:
698
699         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
700         of STACK_REGS bits.
701
702         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
703
704 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
705
706         PR target/25254
707         PR target/24188
708         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
709         DECL_P, call get_section rather than get_named_section.  Supply
710         section flags to it.
711
712 2005-12-14  Ben Elliston  <bje@au.ibm.com>
713
714         * c-common.c (c_common_truthvalue_conversion): Generalise warning
715         for addresses converted to booleans; not just function addresses.
716         * c-typeck.c (build_binary_op): Warn for address comparisons which
717         can never be NULL (eg. func == NULL or &var == NULL).
718         * common.opt (Walways-true): New option.
719         * c-opts.c (c_common_handle_option): Set it with -Wall.
720         * doc/invoke.texi: Document it.
721
722 2005-12-13  Paul Brook  <paul@codesourcery.com>
723
724         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
725         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
726
727 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
728
729         * sim/common/sim-signal.c (sim_signal_to_target): Add missing ':'.
730         * sim/common/sim-signal.h (sim_signal_to_target): Return an int.
731
732         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
733         (EXTRA_MULTILIB_PARTS): Define.
734
735 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
736
737         PR rtl-optimization/20070 / part1
738         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
739         count_or_remove_death_notes with kill == -1.
740         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
741         registers if PROP_POST_REGSTACK is set.
742         (mark_used_reg): Likewise.
743         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
744         REG_UNUSED notes for stack regs.
745         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
746         to match rtx_equiv_p machinery.  Change caller.
747         (outgoing_edges_match): Likewise.
748         (try_crossjump_to_edge): Use struct_equiv_block_eq
749         instead of flow_find_cross_jump.
750         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
751         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
752         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
753         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
754         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
755         (insns_match_p): Update prototype.
756         (flow_find_cross_jump): Remove prototype.
757         (struct_equiv_block_eq, struct_equiv_init): Declare.
758         (rtx_equiv_p, condjump_equiv_p): Likewise.
759         * struct-equiv.c: Include reload.h.
760         (IMPOSSIBLE_MOVE_FACTOR): Define.
761         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
762         (struct_equiv_improve_checkpoint): Likewise.
763         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
764         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
765         (struct_equiv_merge, find_dying_input): Likewise.
766         (resolve_input_conflict, note_local_live): Likewise.
767         (death_notes_match_p): Change parameters and processing
768         to match rtx_equiv_p machinery.  Change caller.
769         (insns_match_p): Likewise.
770         (flow_find_cross_jump): Replace with:
771         (struct_equiv_block_eq).
772
773         Back out this change:
774         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
775           * recog.c (verify_changes): Make it static.
776           * recog.h: Remove the corresponding prototype.
777
778 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
779
780         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
781         values.
782
783 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
784
785         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
786         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
787         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
788         TARGET_MS1_64_001 appropriately.
789         (ms1_machine_reorg): Use TARGET_MS2.
790
791 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
792
793         PR debug/25023
794         PR target/25293
795         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
796         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
797         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
798         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
799         Set mode to SI, adjust constraints.
800         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
801         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
802         32-bit code.
803
804 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
805
806         * c-cppbuiltin.c (builtin_define_float_constants): Add
807         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
808         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
809         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
810         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
811         to "((double)%sL)" otherwise "%s".
812
813 2005-12-13  Paul Brook  <paul@codesourcery.com>
814
815         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
816         apcs/atpcs.
817
818 2005-12-11 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
819
820         * tree-flow.h: Allow compilation with a C++ compiler.
821         (struct edge_prediction): Prefix all field names  with "ep_".
822         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
823         (tree_predict_edge, combine_predictions_for_bb): Likewise.
824         (remove_predictions_associated_with_edge): Likewise.
825         
826 2005-12-12  Jeff Law  <law@redhat.com>
827
828         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
829         reassociation code.
830         * passes.c (init_optimization_passes): Run reassociation again
831         after loop optimizations.
832
833 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
834
835         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
836         if necessary.
837         (optimize_stmt): Ditto.
838         (canonicalize_comparison): New function.
839         * tree-ssa-operands.c (swap_tree_operands): Make external.
840         (get_expr_operands): Stop auto-canonicalization.
841         * tree-ssa-reassoc.c: Rewrite.
842         (init_optimization_passes): 
843         * tree-flow.h (swap_tree_operands): Prototype.
844         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
845
846 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
847
848         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
849         indicate function epilogue has been output.
850         (pa_asm_output_mi_thunk): Likewise.
851         (output_deferred_plabels): Put plabels in readonly data section when
852         not generating PIC code.
853         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
854         information.  Add assert.
855         (som_output_comdat_data_section_asm_op): New function.
856         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
857         instead of output_section_asm_op for COMDAT sections.
858
859 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
860
861         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
862         Fix whitespace in vincinity of to-be-installed changes.
863         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
864         (insns_match_p): Likewise.
865
866 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
867
868         * config.gcc (ms1): Replace with ...
869         (mt): ... this.
870         * config/ms1: Rename to ...
871         * config/mt: ... here.  Rename ms1 files to mt.
872         * config/mt/mt.c: Adjust gt-mt.h #include.
873         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
874         (crti.o, crtn.o): Adjust file names.
875
876 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
877
878         * varray.h: Allow compilation with a C++ compiler.
879         (union varray_data_tag): Prefix all field names with "vdt_".
880         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
881         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
882         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
883         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
884         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
885         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
886         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
887         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
888         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
889         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
890         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
891         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
892         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
893         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
894         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
895         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
896         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
897         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
898         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
899         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
900         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
901         VARRAY_TOP_TREE_PTR): Likewise.
902         * varray.c (varray_grow): Likewise.
903         (varray_clear): Likewise.
904
905 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
906
907         PR target/25299
908         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
909         alignment to doubleword if the first field is a double array.
910         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
911
912 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
913
914         * tree-ssa-structalias.c (process_constraint): Remove code to
915         transform addressofs into scalar.
916         (create_variable_info_for): In whole-program IPA, globals don't
917         point to ANYTHING by default.
918
919 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
920
921         * timevar.def (TV_IPA_PTA): New.
922         * tree-pass.h (pass_ipa_pta): New
923         * tree-ssa-structalias.c: Include cgraph.h
924         (in_ipa_mode): New.
925         (predbitmap_obstack): New.
926         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
927         (struct constraint_stats): Add num_edges.
928         (new_var_info): Don't call bitmap_clear.
929         (struct constraint_edge): Update docs.
930         (new_constraint_edge): Remove src param.
931         (struct constraint_graph): Add zero_weight_succs,
932         zero_weight_preds.  Update docs.
933         (constraint_expr_equal): Reformat.
934         (constraint_edge_equal): Update for removal of src.
935         (constraint_edge_less): Ditto.
936         (constraint_edge_vec_find): Ditto.
937         (erase_graph_self_edge): Update for removal of src and and zero
938         weight bitmap.
939         (clear_edges_for_node): Ditto.
940         (add_graph_edge): Ditto.
941         (get_graph_weights): Ditto.
942         (allocate_graph_weights): Ditto.
943         (merge_graph_nodes): Ditto.
944         (int_add_graph_edge): Ditto.
945         (valid_graph_edge): Ditto.
946         (valid_weighted_graph_edge): Ditto.
947         (build_constraint_graph): Ditto.
948         (scc_visit): Ditto.
949         (collapse_nodes): Ditto.
950         (process_unification_queue): Ditto.
951         (topo_visit): Ditto.
952         (solve_graph): Ditto.
953         (do_structure_copy): Ditto.
954         (perform_var_substitution): Ditto.
955         Init and release obstack.
956         (handle_ptr_arith): Try to resolve directly.
957         (find_func_aliases): Don't call update_alias_info here
958         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
959         (do_sd_constraint): Add code for propagating faster.
960         Update.
961         (do_ds_constraint): Ditto.
962         (count_num_arguments): New function.
963         (create_function_info_for): Ditto.
964         (create_variable_info_for): Handle FUNCTION_DECL.
965         (intra_create_variable_infos): Use make_constraint_to_anything.
966         (init_alias_vars): Init obstacks here.
967         (need_to_solve): Handle zero weight graph changes.
968         (compute_points_to_sets): Call update_alias_info here.
969         (delete_points_to_sets): Free zero weight preds/succs here.
970         (gate_ipa_pta): New.
971         (ipa_pta_execute): New
972
973 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
974
975         * tree-ssa-structalias.c (var_anyoffset): Removed.
976         (anyoffset_tree): Ditto.
977         (anyoffset_id): Ditto.
978         (do_deref): Take vector of constraints, no return value.
979         Update to work on vector.                
980         (get_constraint_for): Ditto.
981         (get_constraint_for_component_ref): Ditto.
982         (do_structure_copy): Ditto.
983         (handle_ptr_arith): Ditto.
984         (find_func_aliases): Ditto.
985         (set_uids_in_ptset): Remove anyoffset handling.
986         (init_base_vars): Ditto.
987
988 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
989
990         PR c++/25010
991         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
992         DECL_EXTERNAL functions have no bodies.  Tidy.
993
994 2005-12-10  Andreas Schwab  <schwab@suse.de>
995
996         * except.c (switch_to_exception_section): Only define if
997         TARGET_UNWIND_INFO is not defined.
998
999 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1000
1001         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1002         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1003
1004 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1005
1006         * output.h (init_section, fini_section): Delete.
1007         * varasm.c (init_section, fini_section): Delete.
1008         (init_varasm_once): Don't initialize them.
1009         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1010         there are no corresponding varasm.c variables.
1011
1012 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1013
1014         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1015         of EH_FRAME_SECTION_NAME into...
1016         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1017         if it is still null.
1018         * except.c (default_exception_section): Delete, moving most
1019         of the code to...
1020         (switch_to_exception_section): ...this new function.  Set
1021         exception_section if it is still null, then switch to it.
1022         (output_function_exception_table): Use switch_to_exception_section.
1023         * varasm.c (exception_section, eh_frame_section): Update comments.
1024         (get_section): Hoist use of SECTION_NAMED.
1025         (init_varasm_once): Don't set exception_section and eh_frame_section.
1026         * output.h (default_exception_section): Delete.
1027         (default_eh_frame_section): Delete.
1028
1029 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1030
1031         * config/bfin/bfin.c: Include "cgraph.h".
1032         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1033         Return the reg that holds the pointer to the GOT.
1034         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1035         doing stack checking.
1036
1037 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1038
1039         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1040         recompute_tree_invarant_for_addr_expr.
1041         Update uses everywhere.
1042
1043 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1044
1045         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1046         (MULTILIB_DIRNAMES): Define.
1047
1048 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1049
1050         PR target/25311
1051         * config/s390/s390.c (struct s390_address): New field literal_pool.
1052         (s390_decompose_address): Compute literal_pool field.  Do not 
1053         assume register %r13 is always (and solely) used as pool base.
1054         (s390_extra_constraint_str): Use literal_pool field.
1055
1056 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1057
1058         * config/mips/mips.c (override_options): Don't allow too small
1059         integers in FP registers.
1060
1061 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1062
1063         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1064         targetm.binds_local_p to check for local function calls.
1065
1066 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1067
1068         PR debug/24908
1069         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1070         call_used_regs can't be used to save reg in another reg.
1071
1072 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1073             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1074
1075         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1076         abort.
1077         * except.c (output_ttype): Likewise.
1078         * tree-object-size.c (collect_object_sizes_for): Likewise.
1079         (check_for_plus_in_loops_1): Likewise.
1080         (check_for_plus_in_loops): Likewise.
1081         (compute_object_sizes): Use gcc_unreachable instead of abort.
1082
1083 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1084
1085         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1086         (loop_end, loop_init, doloop_end): New insns.
1087         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1088         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1089         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1090         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1091         * config/ms1/ms1.c: #include basic-block.h
1092         (struct machine_function): Add has_loops field.
1093         (ms1_add_loop): New.
1094         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1095         (struct loop_info, struct loop_work): New.
1096         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1097         (ms1_reorg_loops): New loop optimization.
1098         (ms1_machine_reorg): Call it.
1099         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1100
1101 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1102
1103         PR tree-optimization/25248
1104         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1105         evolution_of_loop from the failed attempt.  Remove handling
1106         of MULT_EXPR.
1107
1108 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1109
1110         * tree.h (DECL_EXTERNAL): Clarify documentation.
1111
1112 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1113             Jakub Jelinek  <jakub@redhat.com>
1114
1115         PR target/25268
1116         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1117         argument.  Don't drop outer ANDs.
1118         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1119         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1120         prototype.
1121         * config/s390/predicates.md (setmem_operand): Remove.
1122         (shift_count_operand): Rename to...
1123         (shift_count_or_setmem_operand): ... this.  Adjust
1124         s390_decompose_shift_count caller.
1125         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1126         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1127         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1128         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1129         rotl<mode>3_and, setmem_long_and): New insns.
1130         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1131         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1132         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1133         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1134         of shift_count_operand.
1135         (setmem_long): Use shift_count_or_setmem_operand instead of
1136         setmem_operand.
1137
1138 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1139             Andreas Tobler  <a.tobler@schweiz.ch>
1140
1141         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1142         tr expression.
1143
1144 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1145
1146         * expr.c (force_operand): Use convert_to_mode for conversions.
1147
1148 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1149
1150         * reload.h (reg_equiv_invariant): Declare.
1151         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1152         register also when reg_equiv_invariant[R] is set.
1153
1154 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1155             Andreas Tobler  <a.tobler@schweiz.ch>
1156
1157         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1158
1159 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1160
1161         * tree-ssa-pre.c (bitmap_set_and): New function.
1162         (bitmap_set_and_compl): New function.
1163         (bitmap_set_empty_p): New function.
1164         (insert_extra_phis): New function.
1165         (compute_avail): Use insert_extra_phis.
1166
1167 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1168
1169         * config/s390/s390.c (s390_expand_atomic): New function.
1170         Adjust comment of helper functions.
1171         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1172         * config/s390/s390.md ("ATOMIC"): New code macro.
1173         ("atomic"): Corresponding new code attribute.
1174         ("sync_lock_test_and_set[hq]i", 
1175         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1176
1177 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1178
1179         * config/s390/s390.c (s390_expand_mask_and_shift, 
1180         struct alignment_context, init_alignment_context, 
1181         s390_expand_cs_hqi): New.
1182         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1183         * config/s390/s390.md ("sync_compare_and_swaphi",
1184         "sync_compare_and_swapqi"): New pattern.
1185
1186 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1187
1188         Fix PR tree-optimization/25291
1189         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1190         redundant and crashing check.
1191
1192 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1193
1194         PR target/25212
1195         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1196         tests further when !strict && reload_in_progress.
1197         (print_operand): Check that both operands of indexed address are regs.
1198         (print_operand_address): Likewise.
1199         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1200         (INT_REG_OK_FOR_BASE_P): Correct.
1201
1202 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1203
1204         Preparation for PR rtl-optimization/20070 / part1
1205         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1206         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1207         outgoing_edges_match.
1208         (outgoing_edges_match): Use condjump_equiv_p.
1209         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1210         into..
1211         * struct-equiv.c: New file.
1212         (death_notes_match_p) New function, broken out of insns_match_p.
1213         * Makefile.in (OBJS-common): Add struct-equiv.o.
1214         (struct-equiv.o): New target.
1215
1216 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1217
1218         * coretypes.h: Revert previous change.
1219         * config/darwin.h: Revert previous reversion.
1220         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1221
1222 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1223
1224         * coretypes.h (section): Provide dummy definition for target files.
1225         * config/darwin.h: Revert previous change.
1226
1227 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1228
1229         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1230         * configure.ac: Remove all.build and install-normal from target_list
1231         * configure: Regenerate.
1232         * Makefile.in (install): Don't depend on install-normal.
1233
1234 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1235
1236         * Makefile.in: Document the use of stamps.
1237
1238 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1239
1240         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1241         * Makefile.in: Add code to compute some dependencies on s-gtype
1242         automatically.  Remove the declaration of those dependencies.
1243
1244 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1245
1246         * gcc/reload.c (push_secondary_reload): Fix typo:
1247         s/insn_constraint/scratch_constraint/.
1248
1249 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1250
1251         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1252
1253 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1254
1255         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1256         (alpha_elf_select_rtx_section): Return the selected section rather
1257         than emitting assembly code.
1258         (alpha_write_linkage): Emit a ".link" directive directly and then
1259         set in_section to NULL.
1260         (vms_asm_out_constructor): Use switch_to_section.
1261         (vms_asm_out_destructor): Likewise.
1262         (unicosmk_output_common): Set in_section to NULL instead of calling
1263         the dummy common_section function.
1264         (unicosmk_text_section): Delete in favor of...
1265         (unicosmk_output_text_section_asm_op): ...this new function.
1266         (unicosmk_data_section): Delete in favor of...
1267         (unicosmk_output_data_section_asm_op): ...this new function.
1268         (unicosmk_init_sections): New function.
1269         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1270         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1271         the dummy ssib_section function.
1272         (unicosmk_section_buf): Delete.
1273         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1274         (unicosmk_data_section): Delete.
1275         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1276         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1277         (SECTION_FUNCTION_TEMPLATE): Delete.
1278         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1279         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1280         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1281         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1282         (TARGET_ASM_INIT_SECTIONS): Define.
1283         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1284         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1285         (link_section, literals_section): Delete.
1286         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1287         set in_section to NULL.
1288
1289         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1290         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1291         (COMMON_SECTION): Delete.
1292         (TARGET_ASM_INIT_SECTIONS): Define.
1293         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1294         the dummy common_section function.
1295         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1296         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1297         between readonly_data_section and text_section to check whether
1298         read-only data is being put in the text section.
1299         (arm_output_function_epilogue): Use switch_to_section.
1300         (arm_elf_asm_constructor): Likewise.
1301         (thumb_call_via_reg): Replace call to in_text_section with
1302         a comparison between in_section and text_section.
1303         (arm_file_end): Use switch_to_section.
1304         (aof_text_section): Delete in favor of...
1305         (aof_output_text_section_asm_op): ...this new function.
1306         (aof_data_section): Delete in favor of...
1307         (aof_output_data_section_asm_op): ...this new function.
1308         (aof_asm_init_sections): New function.
1309         (zero_init_section): Moved from config/arm/aof.h.
1310         (aof_dump_imports, aof_file_start): Use switch_to_section.
1311         * config/arm/arm.h (thumb_call_via_label): Update comment.
1312         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1313         (common_section): Delete.
1314         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1315         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1316         global switch_to_section function instead of the old port-local one.
1317         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1318         (SWITCH_TO_SECTION_FUNCTION): Delete.
1319         (drectve_section): Redefine as a macro.
1320         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1321         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1322         switch_to_section.
1323
1324         * config/avr/avr.c (progmem_section): New variable.
1325         (avr_output_progmem_section_asm_op): New function.
1326         (avr_asm_init_sections): New function.
1327         (avr_output_addr_vec_elt): Use switch_to_section.
1328         * config/avr/avr.h (progmem_section): Declare.
1329         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1330         (READONLY_DATA_SECTION): Delete.
1331         (TARGET_ASM_INIT_SECTIONS): Define.
1332         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1333         * config/avr/avr-protos.h (progmem_section): Delete.
1334
1335         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1336
1337         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1338         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
1339
1340         * config/darwin-sections.def: New file.
1341         * config/darwin.c: Define all sections in darwin-sections.def.
1342         (output_objc_section_asm_op, darwin_init_sections): New functions.
1343         (machopic_output_indirection): Use switch_to_section.
1344         (machopic_select_section): Return the selected section rather than
1345         emitting assembly code.  Replace the static function table with
1346         inline conditional expressions.  Update the tests of last_text_section
1347         and move them into the FUNCTION_DECL block.
1348         (machopic_select_rtx_section): Return the selected section rather than
1349         emitting assembly code.
1350         (machopic_asm_out_constructor, machopic_asm_out_destructor)
1351         (darwin_file_end): Use switch_to_section.
1352         * config/darwin.h: Use darwin-sections.def to declare sections.
1353         (INIT_SECTION_ASM_OP): Remove empty definition.
1354         (HAS_INIT_SECTION): Define this instead.
1355         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1356         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1357         (TARGET_ASM_EH_FRAME_SECTION): Delete.
1358         (TARGET_ASM_INIT_SECTIONS): Define.
1359         * config/darwin-protos.h (darwin_init_sections): Declare.
1360         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
1361         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
1362         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1363         (constructor_section, destructor_section, mod_init_section): Delete.
1364         (mod_term_section): Delete.
1365         (darwin_exception_section, darwin_eh_frame_section): Delete.
1366         (machopic_select_section): Return a section.
1367         (machopic_select_rtx_section): Likewise.
1368         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
1369         (const_section, const_coal_section, const_data_section): Delete.
1370         (const_data_coal_section, data_coal_section, cstring_section): Delete.
1371         (literal4_section, literal8_section, constructor_section): Delete.
1372         (mod_init_section, mod_term_section, destructor_section): Delete.
1373         (objc_class_section, objc_meta_class_section, objc_category_section)
1374         (objc_class_vars_section, objc_instance_vars_section): Delete.
1375         (objc_cls_meth_section, objc_inst_meth_section): Delete.
1376         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
1377         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
1378         (objc_symbols_section, objc_module_info_section): Delete.
1379         (objc_image_info_section, objc_protocol_section): Delete.
1380         (objc_string_object_section, objc_constant_string_object_section)
1381         (objc_class_names_section, objc_meth_var_names_section): Delete.
1382         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
1383         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
1384         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
1385         (darwin_exception_section, darwin_eh_frame_section): Delete.
1386         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
1387
1388         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
1389         (frv_asm_out_destructor): Likewise.
1390         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1391         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
1392         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
1393         get_named_section.
1394         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1395         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
1396         (data_section): Delete.
1397
1398         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1399         (DRECTVE_SECTION_FUNCTION): Delete.
1400         (drectve_section): Redefine as a macro that sets in_section after
1401         emitting the directive.
1402         (SWITCH_TO_SECTION_FUNCTION): Delete.
1403         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
1404         in_text_section with comparison between in_section and text_section.
1405         * config/i386/i386.c (x86_64_elf_select_section): Return the section
1406         rather than emitting assembly code.  Use get_named_section.
1407         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
1408         get_named_section.
1409         (machopic_output_stub): Use switch_to_section.
1410         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
1411         (nwld_named_section_asm_out_destructor): Use get_section and
1412         switch_to_section.
1413
1414         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
1415         rather than emitting assembly code.
1416         (ia64_rwreloc_select_section): Likewise.
1417         (ia64_rwreloc_select_rtx_section): Likewise.
1418         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
1419         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
1420         switch_to_section.
1421         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1422         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
1423
1424         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
1425         section rather than emitting assembly code.
1426         (iq2000_select_section): Likewise.
1427         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
1428         (sbss_section): Delete.
1429
1430         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
1431         and get_named_section.
1432         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
1433
1434         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
1435         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
1436         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
1437         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
1438         in_section to NULL.
1439         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1440         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1441         global switch_to_section function instead of the old port-local one.
1442         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1443         (SWITCH_SECTION_FUNCTION): Delete.
1444         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
1445         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
1446         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
1447         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
1448         in_section to NULL.
1449         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1450         global switch_to_section function instead of the old port-local one.
1451         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1452
1453         * config/mips/mips.c (mips_file_start): Update comment.
1454         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
1455         (mips_output_aligned_decl_common): Use switch_to_section.
1456         (mips_select_rtx_section): Return the section rather than emitting
1457         assembly code.  Use get_named_section.
1458         (mips_function_rodata_section: Likewise get_section.
1459         (build_mips16_function_stub): Use switch_to_section.
1460         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
1461         (SDATA_SECTION_ASM_OP): Delete.
1462         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
1463         (EXTRA_SECTION_FUNCTIONS): Delete.
1464
1465         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
1466         (mmix_asm_output_aligned_local): Use switch_to_section.
1467
1468         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
1469         (som_one_only_readonly_data_section): New variables.
1470         (pa_output_function_epilogue): Set in_section to NULL instead of
1471         calling forget_section.
1472         (output_deferred_plabels): Use select_section.
1473         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
1474         of calling forget_section.
1475         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
1476         (pa_asm_output_aligned_local): Use select_section.
1477         (som_text_section_asm_op): Delete in favor of...
1478         (som_output_text_section_asm_op): ...this new function.
1479         (pa_som_asm_init_sections): New function.
1480         (pa_select_section): Return the section rather than emitting
1481         assembly code.
1482         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1483         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
1484         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
1485         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
1486         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
1487         (som_readonly_data_section, som_one_only_readonly_data_section)
1488         (som_one_only_data_section, forget_section): Delete.
1489         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
1490         (TARGET_ASM_INIT_SECTIONS): Define.
1491         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
1492
1493         * config/rs6000/rs6000.c (read_only_data_section): New variable.
1494         (private_data_section, read_only_private_data_section): New variables.
1495         (sdata2_section, toc_section): New variables.
1496         (rs6000_file_start): Use switch_to_section.
1497         (rs6000_assemble_integer): Use comparisons against in_section
1498         instead of calling in_toc_section and in_text_section.  Use
1499         unlikely_text_section_p.
1500         (rs6000_elf_output_toc_section_asm_op): New function, derived
1501         from the old rs6000/sysv4.h toc_section function.
1502         (rs6000_elf_asm_init_sections): New function.
1503         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
1504         the section rather than emitting assembly code.
1505         (machopic_output_stub): Use switch_to_section.
1506         (toc_section): Delete dummy function.
1507         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
1508         switch_to_section and get_section.
1509         (rs6000_xcoff_output_readonly_section_asm_op): New function.
1510         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
1511         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
1512         the old rs6000/xcoff.h toc_section function.
1513         (rs6000_xcoff_asm_init_sections): New function.
1514         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
1515         the section rather than emitting assembly code.
1516         (rs6000_xcoff_file_start): Use switch_to_section.
1517         (rs6000_xcoff_file_end): Likewise.
1518         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
1519         (sdata2_section, sbss_section, private_data_section): Delete.
1520         (read_only_data_section, read_only_private_data_section): Delete.
1521         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1522         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
1523         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
1524         (FINI_SECTION_FUNCTION): Delete.
1525         (TARGET_ASM_INIT_SECTIONS): Define.
1526         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1527         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1528         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
1529         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
1530         (READONLY_DATA_SECTION): Delete.
1531         (TARGET_ASM_INIT_SECTIONS): Define.
1532         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
1533         to NULL rather than no_section.
1534         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1535
1536         * config/sh/sh.c (sh_file_start): Use switch_to_section.
1537
1538         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
1539         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
1540         from call to current_function_section.
1541
1542         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
1543         (bss100_section): New variable.
1544         (xstormy16_asm_output_aligned_common): Use switch_to_section.
1545         (xstormy16_asm_init_sections): New function.
1546         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
1547         switch_to_section and get_section.
1548         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
1549         from calls to current_function_section.
1550         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
1551         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
1552         (TARGET_ASM_INIT_SECTIONS): Define.
1553         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
1554
1555         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1556         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
1557         (FINI_SECTION_FUNCTION): Delete.
1558
1559         * config/v850/v850.c: Include gt-v850.h.
1560         (rosdata_section, rozdata_section, tdata_section, zdata_section)
1561         (zbss_section): New variables.
1562         (v850_output_aligned_bss): Use switch_to_section.
1563         (v850_asm_init_sections): New function.
1564         (v850_select_section): Return the section rather than emitting
1565         assembly code.
1566         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1567         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
1568         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
1569         (TARGET_ASM_INIT_SECTIONS): Define.
1570         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
1571         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
1572         (zbss_section): Delete.
1573
1574         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
1575
1576         * config/vx-common.h (vxworks_exception_section): Delete.
1577         (TARGET_ASM_EXCEPTION_SECTION): Delete.
1578
1579         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
1580         section rather than emitting assembly code.
1581         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
1582         switch_to_section.
1583
1584         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
1585         * coretypes.h (section): New union and typedef.
1586         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
1587         from call to current_function_section.
1588         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
1589         (dbxout_symbol_location): Use switch_to_section.
1590         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
1591         most of the code into...
1592         (default_eh_frame_section): ...here.  Return a section.
1593         (collect2_eh_frame_section): Delete, moving most of the code into..
1594         (switch_to_eh_frame_section): ...this new function.
1595         (debug_info_section, debug_abbrev_section, debug_aranges_section)
1596         (debug_macinfo_section, debug_line_section, debug_loc_section)
1597         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
1598         variables.
1599         (output_call_frame_info): Call switch_to_eh_frame_section instead of
1600         eh_frame_section.  Use switch_to_section and get_section.
1601         (dwarf2out_begin_prologue): Use switch_to_section.
1602         (AT_string_form): Check the flags in debug_str_section instead of
1603         DEBUG_STR_SECTION_FLAGS.
1604         (output_comp_unit): Use switch_to_section, get_section, and
1605         debug_info_section.
1606         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
1607         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
1608         from call to current_function_section.
1609         (dwarf2out_var_location): Use unlikely_text_section_p.
1610         (dwarf2out_source_line): Use switch_to_section.  Remove argument
1611         from call to current_function_section.
1612         (dwarf2out_start_source_file, dwarf2out_end_source_file)
1613         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
1614         debug_macinfo_section.
1615         (dwarf2out_init): Initialize the new section variables.  Use them
1616         instead of calls to named_section_flags.  Use switch_to_section.
1617         (output_indirect_string): Use switch_to_section and debug_str_section.
1618         (dwarf2out_finish): Use switch_to_section and the new section
1619         variables.
1620         * except.c (default_exception_section): Return the section instead
1621         of emitting assembly code.
1622         (output_function_exception_table): Use the global exception_section
1623         variable instead of the target hook.  Use switch_to_section.  Remove
1624         argument from call to current_function_section.
1625         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
1626         (shorten_branches): Use pointer comparisons to detect whether the
1627         text section is the same as readonly_data_section.
1628         (profile_function): Use switch_to_section.  Remove argument from
1629         call to current_function_section.
1630         (final_scan_insn): Likewise.  Update use of last_text_section.
1631         * gengtype.c (open_base_files): Add an include of output.h.
1632         * output.h (text_section, data_section, readonly_data_section)
1633         (ctors_section, dtors_section, bss_section, init_section)
1634         (fini_section, sdata_section): Turn into section pointers.
1635         (in_text_section, in_unlikely_text_section, exports_section)
1636         (drectve_section, named_section, mergeable_string_section)
1637         (last_text_section_name): Delete.
1638         (default_exception_section, default_eh_frame_section): Return sections.
1639         (SECTION_DECLARED, SECTION_NAMED): New macros.
1640         (SECTION_MACH_DEP): Bump value.
1641         (section_common, named_section, unnamed_section): New structures.
1642         (unnamed_section_callback): New typedef.
1643         (section): New union.
1644         (sbss_section, exception_section, eh_frame_section): New variables.
1645         (in_section, last_text_section): Turn into section pointers.
1646         (get_unnamed_section, get_section, get_named_section): New functions.
1647         (mergeable_constant_section, function_section): Return a section.
1648         (unlikely_text_section): Likewise.
1649         (current_function_section): Likewise.  Remove the decl argument.
1650         (unlikely_text_section_p, switch_to_section): New functions.
1651         (output_section_asm_op): New function.
1652         (set_named_section_flags, named_section_flags, named_section_real)
1653         (named_section_first_declaration): Delete.
1654         (default_select_section, default_elf_select_section): Return a section.
1655         (default_elf_select_section_1, default_function_rodata_section)
1656         (default_no_function_rodata_section, default_select_rtx_section)
1657         (default_elf_select_rtx_section): Likewise.
1658         * rtl.h (in_data_section): Delete.
1659         * sdbout.c (sdbout_one_type): Use switch_to_section.
1660         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
1661         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
1662         (TARGET_ASM_EH_FRAME_SECTION): Poison.
1663         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
1664         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
1665         (TARGET_ASM_OUT): Update after above changes.
1666         * target.h (init_sections): New hook.
1667         (exception_section, eh_frame_section): Delete.
1668         (select_section, select_rtx_section, function_rodata_section): Return
1669         a section rather than emitting assembly code.
1670         * varasm.c (text_section, data_section, readonly_data_section)
1671         (ctors_section, dtors_section, bss_section, init_section)
1672         (fini_section): Turn into section pointers.
1673         (sdata_section, sbss_section, exception_section): New variables.
1674         (eh_frame_section): New variable.
1675         (in_section): Make global and turn into a section pointer.
1676         (last_text_section): Turn into a section pointer.
1677         (unnamed_sections): New variable.
1678         (in_named_name, last_text_section_name): Delete.
1679         (EXTRA_SECTION_FUNCTIONS): Delete.
1680         (in_named_entry): Delete.
1681         (section_htab): New variable, replacing...
1682         (in_named_htab): ...this deleted variable.
1683         (section_entry_eq, section_entry_hash): New functions, based on...
1684         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
1685         (get_unnamed_section, get_section): New functions.
1686         (unlikely_text_section): Return a section instead of emitting
1687         assembly code.
1688         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
1689         (get_named_section_flags, named_section_first_declaration): Delete.
1690         (unlikely_text_section_p): New function.
1691         (named_section_real, named_section): Delete.
1692         (get_named_section): New function.
1693         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
1694         (function_section): Return a section rather than emitting
1695         assembly code.
1696         (current_function_section): Likewise.  Remove argument.  Use
1697         last_text_section if nonnull, otherwise use function_section.
1698         (default_function_rodata_section): Return a section rather than
1699         emitting assembly code.  Use get_section.
1700         (default_no_function_rodata_section): Return a section rather than
1701         emitting assembly code.
1702         (variable_section): Use switch_to_section and get_named_section.
1703         (mergeable_string_section): Return a section rather than emitting
1704         assembly code.  Use get_section.  Make static.  Don't take special
1705         countermeasures for empty strings.
1706         (mergeable_constant_section): Return a section rather than emitting
1707         assembly code.  Use get_section.
1708         (default_named_section_asm_out_destructor): Use switch_to_section
1709         and get_section.
1710         (default_dtor_section_asm_out_destructor): Use switch_to_section.
1711         (default_named_section_asm_out_constructor): Use switch_to_section
1712         and get_section.
1713         (default_ctor_section_asm_out_constructor): Use switch_to_section.
1714         (assemble_start_function): Likewise.  Set last_text_section to
1715         NULL rather than no_section.  Change the type of save_section.
1716         (assemble_zeros, assemble_variable): Use the section flags to detect
1717         whether or not a section is text.
1718         (assemble_static_space): Use switch_to_section.
1719         (assemble_trampoline_template): Likewise.
1720         (output_constant_def_contents): Use switch_to_section and
1721         get_named_section.
1722         (output_constant_pool_1): Use switch_to_section.  Use the section
1723         flags to see whether sections contain mergeable data.
1724         (init_varasm_once): Initialize section_htab instead of in_named_htab.
1725         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
1726         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
1727         whether a section has already been declared.
1728         (default_select_section, default_elf_select_section): Return a
1729         section rather than emitting assembly code.
1730         (default_elf_select_section_1): Likewise.  Use bss_section for
1731         SECCAT_BSS if nonnull.  Use get_named_section.
1732         (default_select_rtx_section): Return a section rather than
1733         emitting assembly code.
1734         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
1735         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
1736         (output_section_asm_op, switch_to_section): New functions.
1737         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
1738         get_named_section.
1739
1740         * doc/tm.texi: Expand the introduction to the sections documentation.
1741         (TRAMPOLINE_SECTION): Document new interface.
1742         (SDATA_SECTION_ASM_OP): Document new macro.
1743         (READONLY_DATA_SECTION): Delete.
1744         (SDATA_SECTION_ASM_OP): Document new macro.
1745         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1746         (TARGET_ASM_INIT_SECTIONS): Document new hook.
1747         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
1748         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
1749         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
1750
1751 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
1752
1753         * gcc.c (init_gcc_specs): Match braces inside conditionally
1754         compiled strings.
1755
1756 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
1757
1758         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
1759
1760 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
1761
1762         PR C++/24138
1763         * tree.c (integer_all_onesp): Always return true if all bits on.
1764
1765         * testsuite/g++.dg/init/array0.C: New.
1766
1767 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
1768
1769         * doc/md.texi: Adapt to implementation.
1770
1771 2005-12-06  Andreas Schwab  <schwab@suse.de>
1772
1773         * opts.c (decode_options): Fix typo in message.
1774
1775 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
1776
1777         PR other/13873
1778         * longlong.h: Merge PPC tests from upstream.
1779
1780 2005-12-06  Richard Guenther  <rguenther@suse.de>
1781
1782         * fold-const.c (fold_convert): Do not build and fold
1783         CONVERT_EXPR, but always use NOP_EXPR.
1784
1785 2005-12-06  Jan Beulich  <jbeulich@novell.com>
1786
1787         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
1788         __builtin_ia32_paddq and __builtin_ia32_subq.
1789         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
1790         __builtin_ia32_pshufw.
1791         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
1792
1793 2005-12-05  James E Wilson  <wilson@specifix.com>
1794
1795         PR target/24934
1796         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
1797         is set.
1798
1799 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
1800         
1801         * print-tree.c (print_node): Ditto.
1802         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
1803         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
1804         before accessing DECL_ARTIFICIAL. 
1805         Handle new tag tree codes.
1806         * tree-flow-inline.h (clear_call_clobbered): Update for tag
1807         changes.
1808         (unmodifiable_var_p): Ditto.
1809         * tree-flow.h (mem_tag_kind): Remove.
1810         (struct var_ann_d): Remove mem_tag_kind member.
1811         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
1812         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
1813         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
1814         (group_aliases): Ditto.
1815         (setup_pointers_and_addressables): Ditto.
1816         (is_escape_site): Ditto.                                          
1817         (may_alias_p): Ditto.
1818         (create_tag_raw): New function.
1819         (create_memory_tag): Use it.
1820         (dump_alias_info): Update for tags.
1821         (may_be_aliased): Ditto.
1822         (add_type_alias): Ditto.
1823         (new_type_alias): Ditto.
1824         (create_sft): Ditto.
1825         (create_structure_vars): Ditto.
1826         * tree-ssa-ccp.c (get_default_value): Ditto.
1827         * tree-ssa-operands.c (get_expr_operands): Ditto.
1828         (add_stmt_operand): Ditto.
1829         (add_call_clobber_ops): Remove duplicated condition.
1830         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
1831         tags.
1832         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
1833         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
1834         * tree.c (init_ttree): Update structures for new tree codes.
1835         (tree_code_size): Update sizes for new tree codes.
1836         (make_node_stat): Don't try to set common things on minimal
1837         structures.
1838         (tree_node_structure): Update for tags.
1839         (is_global_var): Ditto.
1840         * tree.def: Add new tree codes.
1841         * tree.h (MTAG_P): New macro.
1842         (TREE_MEMORY_TAG_CHECK): Ditto.
1843         (SSA_VAR_P): Update for tags.
1844         (struct tree_memory_tag): New structure.
1845         (MTAG_GLOBAL): New macro.
1846         (union tree_node): Add memory tag member.
1847         * treestruct.def (TS_MEMORY_TAG): New.
1848         
1849 2005-12-05  Dale Johannesen  <dalej@apple.com>
1850
1851         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
1852         what was approved (PR 24323).
1853
1854 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1855
1856         * doc/c-tree.texi (Function Bodies): Remove description of
1857         RETURN_INIT.
1858
1859 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
1860
1861         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
1862         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
1863         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
1864         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
1865         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
1866         __divxc3): Document.
1867
1868 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
1869
1870         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
1871         previous behaviour.
1872         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
1873         hook_bool_void_false.
1874         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
1875         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
1876
1877         * config/darwin.c (machopic_select_section): It's not defined
1878         as weak if it's only marked as weak_import.
1879         
1880         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
1881         Prototype.
1882
1883         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
1884         A hidden weak object does bind locally.  Strong linkonce data
1885         counts like any other strong symbol for binding.
1886         (weak_finish_1): Don't specially handle weakrefs, they no longer
1887         arrive here.
1888         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
1889         * c-common.c (handle_alias_attribute): Allow static aliases
1890         of variables.
1891         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
1892         * gthr-dce.h: Make weakrefs static.
1893         * gthr-tpf.h: Likewise.
1894         * gthr-solaris.h: Likewise.
1895         * gthr-posix.h: Likewise.
1896         * gthr-posix95.h: Likewise.
1897         * config/darwin.c (darwin_encode_section_info): static weakref
1898         variables are not necessarily defined in this translation unit.
1899         * doc/extend.texi (Function Attributes): Mention that an alias
1900         attribute creates a definition for the thing it's attached to.
1901         Change the documentation for weakref to say that the thing
1902         it's attached to must be static.
1903
1904         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
1905         we don't go into an infinite loop.
1906
1907 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
1908
1909         * config/rs6000/predicates.md (logical_const_operand): Split
1910         out of logical_operand.
1911         (logical_operand): Use it.
1912         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
1913         logical_const_operand.
1914
1915 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1916
1917         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
1918         and IX86_BUILTIN_CMPNESS.
1919         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
1920         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
1921         * config/i386/i386.md (movti_internal): Correct type attribute.
1922         Simplify mode attribute.
1923         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
1924         Correct type attribute.
1925         (absxf2): Correct operator.
1926         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
1927         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
1928         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
1929         mode attribute.
1930         (sse2_vmsqrtv2df2): Correct mode attribute.
1931
1932 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1933
1934         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
1935         16 bits. Provide insn pattern for this case.
1936
1937 2005-12-05  Jan Beulich  <jbeulich@novell.com>
1938
1939         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
1940         result.
1941         (__popcountDI2): Likewise.
1942
1943 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1944
1945         PR target/25166
1946         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
1947         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
1948         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
1949         functions.
1950
1951 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1952
1953         * c-typeck.c (null_pointer_constant_p): New function.
1954         (build_conditional_expr, build_c_cast, convert_for_assignment,
1955         build_binary_op): Use it.
1956
1957 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
1958
1959         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
1960         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
1961         CONVERT_EXPR.
1962         (check_function_arguments_recurse): Allow both NOP_EXPR and
1963         CONVERT_EXPR but check conversions preserve precision.
1964         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
1965         but check conversions preserve precision.
1966         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
1967         default case.
1968
1969 2005-12-04  Roger Sayle  <roger@eyesopen.com>
1970
1971         PR c/7776
1972         * common.opt (Wstring-literal-comparison): New command line option.
1973         * c-opts.c (c_common_handle_option): Set it with -Wall.
1974         * c-typeck.c (parser_build_binary_op): Issue warning if either
1975         operand of a comparison operator is a string literal, except for
1976         testing equality or inequality against NULL.
1977
1978         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
1979
1980 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1981
1982         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
1983         of building a NOP_EXPR.
1984         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
1985         NOP_EXPR.
1986         * c-convert.c (convert): Use fold_convert instead of building
1987         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
1988         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
1989         #if 0 code.
1990         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
1991         NOP_EXPR the same as CONVERT_EXPR.
1992         * c-typeck.c (build_function_call): Use fold_convert instead of
1993         building a NOP_EXPR directly.
1994         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
1995
1996 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1997
1998         PR rtl-optimization/25197
1999         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2000         have a reg.
2001
2002 2005-12-02  Stuart Hastings  <stuart@apple.com>
2003
2004         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2005         warning.
2006
2007 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2008
2009         * c-typeck.c (default_function_array_conversion,
2010         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2011         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2012         orig_op2.  Don't check them for NOP_EXPR.
2013         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2014         around integer zero.
2015
2016 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2017
2018         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2019         toc_save_offset, toc_size, lr_size.
2020         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2021         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2022         Adjust for removal of unused rs6000_stack_t fields.
2023         (debug_stack_info): Adjust.
2024         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2025         first, and don't bother checking for set/inc of lr on sibcalls.
2026         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2027
2028 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2029
2030         PR target/25199
2031         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2032         5 if operand 1 is not aligned.  Undo previous constraint change.
2033         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2034
2035 2005-12-02  Richard Guenther  <rguenther@suse.de>
2036
2037         * tree.h (build): Remove prototype.
2038         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2039         * tree.c (build): Remove.
2040         (build0_stat): Update comment.
2041
2042 2005-12-02  Richard Guenther  <rguenther@suse.de>
2043
2044         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2045         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2046         Likewise.
2047         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2048         maybe_fold_offset_to_component_ref): Likewise.
2049         * tree-ssa-dom.c (thread_across_edge,
2050         simplify_rhs_and_lookup_avail_expr,
2051         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2052         Likewise.
2053         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2054         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2055         lower_try_finally_switch): Likewise.
2056         * tree-if-conv.c (add_to_dst_predicate_list,
2057         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2058         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2059         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2060         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2061         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2062         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2063         gimplify_init_ctor_eval, gimplify_init_constructor,
2064         gimplify_variable_sized_compare, gimplify_boolean_expr,
2065         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2066         gimplify_expr, gimplify_body, gimplify_function_tree,
2067         force_gimple_operand): Likewise.
2068         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2069         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2070         mx_register_decls): Likewise.
2071         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2072         get_frame_field, finalize_nesting_tree_1): Likewise.
2073         * tree-inline.c (setup_one_parameter): Likewise.
2074         * tree-vect-transform.c (vectorizable_condition): Likewise.
2075         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2076         Likewise.
2077         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2078         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2079         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2080         * tree-chrec.h (build_polynomial_chrec): Likewise.
2081
2082 2005-12-02  Richard Guenther  <rguenther@suse.de>
2083
2084         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2085         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2086         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2087         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2088         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2089         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2090         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2091         Likewise.
2092         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2093         sh_adjust_unroll_max): Likewise.
2094         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2095         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2096         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2097         Likewise.
2098         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2099         Likewise.
2100         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2101         Likewise.
2102
2103 2005-12-02  Richard Guenther  <rguenther@suse.de>
2104
2105         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2106         simplify_cond_using_ranges): Use buildN instead of build.
2107         * tree-tailcall.c (adjust_accumulator_values,
2108         adjust_return_value): Likewise.
2109         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2110         generate_element_copy, generate_element_zero,
2111         generate_one_element_init): Likewise.
2112         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2113         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2114         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2115         perfect_nestify): Likewise.
2116
2117 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2118
2119         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2120
2121 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2122
2123         * ggc.h (GGC_RESIZEVEC): New.
2124
2125 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2126
2127         * gcc.c (execute): Improve readability.
2128
2129 2005-12-02  Richard Guenther  <rguenther@suse.de>
2130
2131         * tree-cfg.c (mark_used_vars): New function.
2132         (dump_function_to_file): Dump only used VAR_DECLs.
2133
2134 2005-12-02  Richard Guenther  <rguenther@suse.de>
2135
2136         * convert.c (convert_to_integer): Fix compare for nonpositive
2137         constant to use tree_int_cst_sgn <= 0.
2138
2139 2005-12-02  Richard Guenther  <rguenther@suse.de>
2140
2141         * convert.c (convert_to_integer): Use fold_convert instead
2142         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2143         instead of comparing against 0.  Use build_int_cst instead
2144         of converting integer_zero_node.
2145
2146 2005-12-02  Richard Guenther  <rguenther@suse.de>
2147
2148         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2149         and RROTATE_EXPR.
2150  
2151 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2152
2153         PR target/21017
2154         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2155         rotates.
2156
2157 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2158
2159         PR middle-end/25176
2160         * function.c (expand_function_end): Emit blockage for unwinder
2161         after return label.
2162
2163 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2164
2165         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2166         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2167         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2168         integer constant comparisons.
2169
2170 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2171             Janis Johnson  <janis187@us.ibm.com>
2172             David Edelsohn  <dje@watson.ibm.com>
2173             Ben Elliston  <bje@au.ibm.com>
2174
2175         * dfp.h, dfp.c: New files.
2176         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2177         (DECNUM_H): Likewise.
2178         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2179         (INCLUDES): Append $(DECNUMINC).
2180         (OBJS-common): Add dfp.o.
2181         (dfp.o): New rule.
2182         * real.h (EXP_BITS): Pinch one bit to ..
2183         (struct real_value): Add decimal field.
2184         (real_format): Change table size, update documentation.
2185         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2186         (real_from_string3): Declare.
2187         (decimal_single_format): Declare.
2188         (decimal_double_format): Declare.
2189         (decimal_quad_format): Declare.
2190         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2191         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2192         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2193         * real.c: Include dfp.h.
2194         (normalize): Early return for decimal floats.
2195         (do_add): Zero decimal field.
2196         (do_compare): Call do_decimal_compare for decimal floats.
2197         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2198         (real_arithmetic): Call decimal_real_arithmetic for decimal
2199         floating point operands.
2200         (real_identical): If a and b are of differing radix, return false.
2201         (real_to_integer): Call decimal_real_to_integer if the value is a
2202         decimal float.
2203         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2204         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2205         (real_to_hexadecimal): Place "N/A" in the return string for
2206         decimal float.
2207         (real_from_string3): New variant, given a mode.
2208         (real_maxval): Use decimal_real_maxval for decimal floats.
2209         (round_for_format): Use decimal_round_for_format for decimals.
2210         (real_convert): Use decimal_real_convert where appropriate.
2211         (significand_size): Handle base 10.
2212         (encode_decimal_single, decode_decimal_single,
2213         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2214         decode_decimal_quad): New functions.
2215         (decimal_single_format): New.
2216         (decimal_double_format): New.
2217         (decimal_quad_format): New.
2218         * machmode.def: Add SD, DD and TD decimal floating point modes.
2219         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2220         Include MODE_DECIMAL_FLOAT.
2221         (DECIMAL_FLOAT_MODE_P): New.
2222         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2223         * genmodes.c (struct mode_data): Add counter field.
2224         (struct mode_data): Update comment for format.
2225         (blank_mode): Initialise counter field.
2226         (new_mode): Increment counter field for each mode defined.
2227         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2228         using a format.
2229         (make_complex_modes): Handle modes containing `D'.
2230         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2231         (make_decimal_float_mode): New.
2232         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2233         (cmp_modes): Compare counter field if other characteristics
2234         similar.
2235         (emit_real_format_for_mode): Support formats for decimal floats.
2236         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2237         Document MODE_DECIMAL_FLOAT.
2238
2239 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2240
2241         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2242         Delete dead code.
2243
2244 2005-12-01  Richard Henderson  <rth@redhat.com>
2245
2246         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2247
2248 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2249
2250         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2251
2252         * config/pa/pa.c (pa_init_builtins): If we detect
2253         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2254         putc_unlocked.
2255
2256 2005-12-01  Richard Guenther  <rguenther@suse.de>
2257
2258         * fold-const.c (fold_binary): Use fold_build2, not
2259         fold (build (...)).
2260
2261 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2262
2263         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2264
2265         * vec.h (VEC_block_remove): New.
2266
2267 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2268
2269         PR c/13384
2270         * c-common.c (lvalue_error): Fix wording.
2271
2272 2005-12-01  Richard Guenther  <rguenther@suse.de>
2273
2274         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2275         thinko in last patch.
2276
2277 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2278
2279         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2280         than -flat_namespace.
2281
2282 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2283
2284         * mklibgcc.in: Parameterise the script to build soft float
2285         functions by iterating over each type, rather than cloning the
2286         code for each type.
2287
2288 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2289
2290         PR middle-end/25158
2291         * builtins.c (fold_builtin_fputs): Defer check for missing
2292         replacement functions.
2293
2294 2005-11-30  Kean Johnston  <jkj@sco.com>
2295
2296         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2297         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2298
2299 2005-11-30  Richard Guenther  <rguenther@suse.de>
2300
2301         PR tree-optimization/22501
2302         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2303         function split out from ...
2304         (forward_propagate_addr_expr): ... here.  Use it to propagate
2305         ADDR_EXPRs to all uses.
2306
2307 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2308
2309         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2310         * builtins.c (expand_builtin_mathfn): Use them.
2311         (expand_builtin_mathfn_2): Likewise.
2312         (expand_builtin_mathfn_3): Likewise.
2313         (expand_builtin_int_roundingfn): Likewise.
2314         (expand_builtin): Likewise.
2315         (integer_valued_real_p): Likewise.
2316         (fold_builtin_int_roundingfn): Likewise.
2317         (fold_builtin_bitop): Likewise.
2318         (fold_builtin_logarithm): Likewise.
2319         (fold_builtin_1): Likewise.
2320         * convert.c (convert_to_integer): Likewise.
2321         * fold-const.c (negate_mathfn_p): Likewise.
2322         (tree_expr_nonnegative_p): Likewise.
2323
2324 2005-11-30  Dale Johannesen  <dalej@apple.com>
2325             Andrew Pinski  <pinskia@physics.uc.edu>
2326
2327         * combine.c (find_split_point):  Sign extend bitmask
2328         when changing bitfield assignment to IOR of AND.
2329
2330 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2331
2332         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2333         clobber to scratch reg.
2334         (*decrement_and_branch_until_zero_no_clobber): Remove.
2335         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
2336         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
2337         * config/ms1/ms1.opt (mmul): Remove.
2338         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
2339         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
2340
2341 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2342             Bernd Schmidt  <bernd.schmidt@analog.com>
2343
2344         * pa/predicates.md (symbolic_operand): Add comment.
2345         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
2346         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
2347         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
2348         (pa_secondary_reload_class): Delete.
2349         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
2350         and pa_secondary_reload_class.  Reorder some checks.  Update inline
2351         copy of symbolic operand.
2352         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
2353
2354 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2355
2356         * loop-doloop.c (add_test): Only add jump notes if we did emit a
2357         jump.
2358
2359 2005-11-30  Jeff Law  <law@redhat.com>
2360
2361         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
2362         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2363
2364 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
2365
2366         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
2367         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
2368         (ia64_expand_move): Adjust caller.
2369
2370         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
2371         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
2372         negate VAL.
2373
2374 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
2375
2376         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
2377         Always produce an output if we can remove NEGs or canonicalize
2378         (minus (minus ...)) expressions.  Provide a fast path for the
2379         two-operand case.
2380         (simplify_gen_binary): Do not call simplify_plus_minus.
2381         (simplify_binary_operation_1): Reassociate at the end of the
2382         function.
2383
2384 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
2385
2386         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
2387         moves and unpack to speed up.
2388
2389 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
2390
2391         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
2392         argument, they are always sparc_compare_op0 and sparc_compare_op1.
2393         (gen_v9_scc): Update callers.
2394         * config/sparc/sparc.md: Likewise.
2395         * config/sparc/sparc-protos.h: Update extern declaration.
2396
2397         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
2398
2399 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2400
2401         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
2402         the if.
2403
2404 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
2405
2406         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
2407         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
2408         (negate_expr): Here.
2409
2410 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2411
2412         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
2413         Fix typo in comment.
2414
2415 2005-11-29  Ben Elliston  <bje@au.ibm.com>
2416
2417         * Makefile.in (clean-target): Depend on clean-target-libgcc.
2418         (clean-target-libgcc): Import rule from the top-level Makefile.in.
2419
2420 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2421
2422         PR middle-end/20109
2423         PR middle-end/25120
2424         * builtins.c (init_target_chars): New.
2425         (expand_builtin_printf, expand_builtin_fprintf,
2426         expand_builtin_sprintf, fold_builtin_sprintf,
2427         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
2428         fold_builtin_snprintf_chk, fold_builtin_printf,
2429         fold_builtin_fprintf): Check for matching format strings using
2430         the target charset.
2431
2432 2005-11-29  Paul Brook  <paul@codesourcery.com>
2433
2434         * config.gcc: Do not use fixproto on m68k-elf.
2435
2436 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2437
2438         * expmed.c (div_cost): Replace with...
2439         (sdiv_cost, udiv_cost): New.
2440         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
2441         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
2442         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
2443         (expand_divmod): Replace use of div_cost with either sdiv_cost
2444         or udiv_cost depending upon the signedness of the operation.
2445
2446 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2447
2448         PR libfortran/24991
2449         * config/darwin.c (machopic_indirection_name,
2450         machopic_output_indirection): Follow transparent alias chain.
2451
2452 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
2453
2454         * varasm.c (ultimate_transparent_alias_target): Add comment.
2455
2456 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
2457
2458         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
2459         SET_SRC instead of XEXP where appropriate.
2460
2461 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2462
2463         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
2464         __builtin_expect.
2465
2466 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
2467
2468         * config/fp-bit.h (LSHIFT): Take shift count parameter.
2469         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
2470         bit at a time.
2471
2472 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
2473
2474         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
2475         secondary_input_reload_class, made static.  Adapt to new
2476         infrastructure.
2477         (secondary_output_reload_class): Delete.
2478         (TARGET_SECONDARY_RELOAD): New macro.
2479         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
2480         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
2481
2482 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
2483
2484         PR c++/21166
2485         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
2486         when its natural alignment is > BITS_PER_UNIT.
2487         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
2488         * c-common.c (handle_packed_attribute): Ignore packing on a field
2489         whose type is naturally char aligned.
2490
2491 2005-11-28  Richard Guenther  <rguenther@suse.de>
2492
2493         * c-common.c (strict_aliasing_warning): Handle all
2494         component-ref like accesses.
2495
2496 2005-11-28  Roger Sayle  <roger@eyesopen.com>
2497             Uros Bizjak  <uros@kss-loka.si>
2498
2499         PR middle-end/20219
2500         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
2501         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
2502         when flag_unsafe_math_optimizations is set and
2503         we don't care about NaNs or Infinities.
2504
2505         Move x/expN(y) and x/pow(y,z) transformation into common
2506         flag_unsafe_math_optimizations section.
2507
2508 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
2509
2510         * gcc.c (main): Change type of argv to "char **".
2511
2512 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2513
2514         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
2515         small data sections.
2516         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
2517         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
2518         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
2519         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
2520         output locals to sbss if !rs6000_elf_in_small_data_p.
2521         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
2522
2523 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
2524
2525         PR target/24997
2526         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
2527         generated by reload.
2528         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
2529         indexed_or_indirect_address.
2530         (indexed_or_indirect_address): Don't test for base reg.  Call
2531         address_operand last.  Make it a special predicate.
2532
2533 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
2534
2535         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
2536
2537 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
2538
2539         PR middle-end/24575
2540         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
2541         is undefined.
2542         (negate_expr): Likewise.
2543
2544 2005-11-27  Andreas Schwab  <schwab@suse.de>
2545
2546         * config/m68k/m68k.c: Reindent and fix whitespace, remove
2547         redundant parens.
2548
2549 2005-11-27  Steven Bosscher  <stevenb@suse.de>
2550
2551         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
2552         has EH predecessor edges.
2553
2554 2005-11-26  Eric Christopher  <echristo@apple.com>
2555
2556         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
2557         register stalls by zero extending to the full register.
2558
2559 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
2560
2561         * config/floatunsisf.c, config/floatunsidf.c,
2562         config/floatunsixf.c, config/floatunsitf.c: New files.
2563         * config/ia64/t-hpux: Add floatunsitf.c.
2564         * config/ia64/ia64.c (ia64_init_libfuncs): Use
2565         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
2566
2567 2005-11-26  Richard Henderson  <rth@redhat.com>
2568
2569         * c-lex.c (pragma_lex): Rename from c_lex.
2570         * c-pch.c: Update for pragma_lex rename.
2571         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
2572         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
2573         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
2574         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
2575         * doc/tm.texi: Likewise.
2576
2577 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
2578
2579         PR middle-end/23669
2580         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
2581         when overflow is undefined.
2582
2583 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
2584
2585         * doc/md.texi (Insn Canonicalizations): Refer to the
2586         function commutative_operand_precedence for further rules.
2587
2588 2005-11-25  Roger Sayle  <roger@eyesopen.com>
2589
2590         PR middle-end/21309
2591         * expmed.c (choose_mult_variant): Return immediately when mult_cost
2592         is less than zero.  Limit mult_cost to a reasonable upper bound for
2593         the synthetic multiplication sequence.
2594
2595 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2596
2597         PR middle-end/25022
2598         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
2599         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
2600         Lookup the explicit replacement functions for any unlocked
2601         stdio builtin transformations.
2602
2603 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
2604
2605         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
2606         earlyclobber.
2607         * targhooks.c (default_secondary_reload): Don't require operand 2
2608         for an input reload to be earlyclobber.
2609
2610 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2611
2612         * fold-const.c (negate_mathfn_p): Fix comment and add support
2613         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
2614         BUILT_IN_ATANH.
2615
2616 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2617
2618         PR middle-end/24998
2619         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
2620         _Q_ulltoq for unsigned conversions from SImode and DImode to
2621         TFmode.
2622
2623 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
2624
2625         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
2626         (__floatundidf, __floatundisf): Likewise.
2627
2628 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
2629
2630         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
2631         (rs6000_override_options): Remove initialization of
2632         rs6000_sr_alias_set.
2633         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
2634         (rs6000_emit_stack_tie): Same.
2635         (emit_frame_save): Same.
2636         (gen_frame_mem_offset): Same.
2637         (rs6000_emit_prologue): Same.
2638         (rs6000_emit_epilogue): Same.
2639
2640 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2641
2642         PR middle-end/24989
2643         * fold-const.c (fold_build): Convert bool_var != 1 and
2644         bool_var == 0 to !bool_var.
2645
2646 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
2647
2648         PR middle-end/24990
2649         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
2650         for C being INTEGER_CST.  Likewise for !=.
2651
2652 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
2653
2654         PR middle-end/24998
2655         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
2656         unsigned conversions from SImode to TFmode.
2657
2658 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
2659
2660         * expr.c (expand_expr_real_1): Fix error in last change.
2661
2662 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2663
2664         * caller-save.c: (this_insn_sets): Move into:
2665         (save_call_clobbered_regs).
2666         (mark_set_regs): Get this_insn_sets from data.
2667
2668         (save_call_clobbered_regs): Take sets of the return value by
2669         sibcalls into account.
2670
2671 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
2672         PR target/21623:
2673
2674         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
2675         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
2676         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
2677         (memory_move_secondary_cost, init_reg_autoinc): Remove
2678         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
2679         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
2680         secondary_reload_class call.
2681         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
2682         callers.
2683         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
2684         (push_secondary_reload): Use secondary_reload target hook.
2685         (secondary_reload_class, scratch_reload_class): New functions.
2686         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
2687         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
2688         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
2689         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
2690         (secondary_reload_class, scratch_reload_class): Declare.
2691         * reload1.c: Include target.h.
2692         (reload_adjust_reg_for_temp): New function.
2693         (reload_adjust_reg_for_icode): Likewise.
2694         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
2695         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
2696         call.
2697         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
2698         for inheritance.  Support case when both secondary & tertiary reloads
2699         are for intermediate registers.
2700         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
2701         with secondary_reload_class call.  Support case when both secondary
2702         & tertiary reloads are for intermediate registers.
2703         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
2704         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
2705         * target.h (secondary_reload_info): New struct / typedef.
2706         (struct gcc_target): New member secondary_reload.
2707         * targhooks.c Include reload.h, optabs.h and recog.h.
2708         (default_secondary_reload): New function.
2709         * targhooks.h (default_secondary_reload): Declare.
2710         * doc/tm.texi: Document secondary_reload target hook.  Update
2711         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
2712         * doc/md.texi: Likewise.
2713
2714         * sh-protos.h (sh_secondary_reload): Declare.
2715         * sh.c (TARGET_SECONDARY_RELOAD): Override.
2716         (sh_secondary_reload): New function.
2717         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
2718         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2719         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
2720         (HAVE_SECONDARY_RELOADS): Define.
2721         * sh.md (reload_indf): Rename to:
2722         (reload_indf__frn).
2723         (reload_outdf): Rename to:
2724         (reload_outdf__RnFRm).
2725         (reload_insf): Rename to:
2726         (reload_insf__frn).
2727         (reload_insi): Rename to:
2728         (reload_insi__i_fpul).
2729
2730 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
2731
2732         * configure.ac: Require at least texinfo 4.4.
2733         * configure: Regenerate.
2734
2735         * doc/install.texi (Tools/packages necessary for building GCC):
2736         Update required version of texinfo to at least 4.4.
2737         (Installing GCC: Building): Update required version of texinfo
2738         to at least 4.4.
2739         (Installing GCC: Final installation): Update required version
2740         of texi2dvi to at least 4.4.
2741         (Host/target specific installation notes for GCC): Update required
2742         version of texinfo to at least 4.4.
2743
2744 2005-11-24  Richard Guenther  <rguenther@suse.de>
2745         Dirk Mueller <dmueller@suse.de>
2746
2747         PR c++/14024
2748         * c-common.h (strict_aliasing_warning): Declare.
2749         * c-common.c (strict_aliasing_warning): New function,
2750         split out from ...
2751         * c-typeck.c (build_c_cast): ... here.
2752
2753 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2754
2755         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2756         to order operands.
2757         (swap_commutative_operands_with_target): New.
2758
2759 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
2760
2761         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
2762         also when doing PRE, rather than only for global CPROP.
2763
2764 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2765
2766         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
2767         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
2768         formatting.
2769         (expand_twoval_unop): Likewise.
2770         (widen_clz): Likewise.
2771         (expand_parity): Likewise.
2772         (expand_unop): Likewise.
2773         (emit_cmp_and_jmp_insn_1): Likewise.
2774         (prepare_float_lib_cmp): Likewise.
2775
2776 2005-11-24  Ben Elliston  <bje@au.ibm.com>
2777
2778         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
2779         Remove unused `class' variable.
2780
2781 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2782
2783         PR c++/21667
2784         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
2785         C/C++ diagnostic function warn_array_subscript_with_type_char.
2786         * c-common.h (warn_array_subscript_with_type_char): Declare.
2787         * c-common.c (warn_array_subscript_with_type_char): Define.
2788
2789 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2790
2791         PR c/21668
2792         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
2793         compiling at the intersection of C and C++.
2794
2795 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
2796
2797         * doc/invoke.texi: For man pages, include gcc-vers.texi.
2798         List @file in the option summary.  Include the libiberty
2799         documentation for @file.
2800         * gcc.c (main): Call expandargv.
2801         * Makefile.in (gcc-vers.texi): Define srcdir.
2802
2803 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
2804
2805         * passes.c (init_optimization_passes): Document
2806         sequencing of passes.
2807
2808 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
2809
2810         * config/m68k/predicates.md (pcrel_address, extend_operator,
2811         post_inc_operand, pre_dec_operand): Remove redundant
2812         conditionals.
2813         (const_uint32_operand, const_sint32_operand): Use gcc_assert
2814         instead of abort.
2815         (valid_dbcc_comparison_p): Rewrite in the lisp style.
2816
2817 2005-11-23  Ben Elliston  <bje@au.ibm.com>
2818
2819         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
2820
2821 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
2822
2823         Preparatory work for PR target/21623:
2824         * alpha.c (secondary_reload_class): Rename to:
2825         (alpha_secondary_reload_class).
2826         * alpha.h, alpha-protos.h: Likewise.
2827         * mn10300.c (secondary_reload_class): Rename to:
2828         (mn10300_secondary_reload_class).
2829         * mn10300.h, mn10300-protos.h: Likewise.
2830         * pa.c (secondary_reload_class): Rename to:
2831         (pa_secondary_reload_class).
2832         * pa.h, pa-protos.h: Likewise.
2833         * rs6000.c (secondary_reload_class): Rename to:
2834         rs6000_secondary_reload_class.
2835         * rs6000.h, rs6000-protos.h: Likewise.
2836
2837 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
2838
2839         PR middle-end/22561
2840         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
2841
2842 2005-11-22  Ian Lance Taylor  <ian@airs.com>
2843
2844         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
2845         a mode_class.
2846         (prepare_cmp_insn): Likewise.
2847
2848 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
2849
2850         PR target/23435
2851         * m68k.md (zero_extendsidi2): Force operands[1] to a register
2852         if both operands[0] and operands[1] are memory.
2853
2854 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2855
2856         PR middle-end/23606
2857         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
2858         COMPARISON_CLASS_P and an integral types create create a new
2859         expression with the new type and fold that.
2860
2861 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
2862
2863         PR target/24988
2864         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
2865         to SUBTARGET_OS_CPP_BUILTINS.
2866
2867 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
2868
2869         * arm.c (emit_set_insn): New function.
2870         (arm_split_constant): Call it.
2871         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
2872         (arm_legitimize_address): Likewise.  Use plus_constant.
2873         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
2874         (thumb_expand_prologue): Likewise.
2875         (arm_gen_load_multiple): Use VOIDmode in SET.
2876         (arm_gen_store_multiple): Likewise.
2877         (vfp_emit_fstmx): Likewise.  Use plus_constant.
2878         (emit_multi_reg_push): Likewise.
2879         (emit_sfm): Use plus_constant.
2880
2881 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
2882
2883         PR target/24954
2884         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
2885         typo last change.
2886
2887 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2888
2889         PR middle-end/24950
2890         * expmed.c (store_bit_field): Don't attempt to insv a field
2891         larger than the reg.
2892
2893 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
2894
2895         PR target/24954
2896         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
2897         explicit sign extension, not a (char) cast.
2898
2899 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2900
2901         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
2902         GET_MODE_CLASS (x) == MODE_FLOAT.
2903         * config/i386/i386.c: Likewise.
2904         * config/rs6000/xcoff.h: Likewise.
2905         * config/rs6000/linux64.h: Likewise.
2906         * config/rs6000/rs6000.c: Likewise.
2907         * config/rs6000/rs6000.h: Likewise.
2908         * config/rs6000/predicates.md: Likewise.
2909         * config/rs6000/sysv4.h: Likewise.
2910
2911 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2912
2913         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
2914         flag_pic is set.
2915
2916         * config/alpha/freebsd.h, config/alpha/linux.h,
2917         config/arm/linux-elf.h, config/bfin/bfin.h,
2918         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
2919         config/i386/beos-elf.h, config/i386/gnu.h,
2920         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
2921         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
2922         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
2923         config/rs6000/linux64.h, config/rs6000/sysv4.h,
2924         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
2925         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
2926         config/sparc/linux.h, config/sparc/linux64.h,
2927         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
2928
2929         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
2930         are both defined when either flag -fpic or -fPIC are used.
2931
2932 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2933
2934         * config/fp-bit.c (clzusi): New function.
2935         (si_to_float, usi_to_float): Use it to compute proper shift.
2936         (usi_to_float): Preserve guard bits when shifting right.
2937         * libgcc-std.ver (GCC_4.2.0): New version.
2938         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
2939         __floatundisf): New functions.
2940         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
2941         __floatundisf): Declare.
2942         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
2943         _floatundixf, and _floatunditf.
2944         * optabs.c (expand_float): If target does not define a pattern for
2945         signed or unsigned conversion, use an unsigned libcall instead of
2946         a signed one.
2947         (init_optabs): Initialize ufloat_optab.
2948
2949 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
2950
2951         * config/rs6000/rs6000.opt (mmulhw): New option.
2952         * doc/invoke.texi (-mmulhw): Document.
2953         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
2954         for 405 and 440.
2955         * config/rs6000/rs6000.md: Add half-word multiply and
2956         multiply-accumulate instructions for 405 and 440.
2957
2958 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
2959
2960         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
2961         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
2962         default now includes a linker group which makes the RTEMS one nest.
2963
2964 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2965
2966         * cse.c (fold_rtx): Typo fix.
2967         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
2968
2969 2005-11-21  Richard Henderson  <rth@redhat.com>
2970
2971         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
2972         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
2973
2974         * c-tree.h (lookup_name): Move declaration ...
2975         * c-common.h (lookup_name): ... here.
2976         * config/darwin-c.c: Include c-common.h.
2977         * config/t-darwin: Update dependencies.
2978
2979 2005-11-22  Ben Elliston  <bje@au.ibm.com>
2980
2981         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
2982         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
2983         * genopinit.c (gen_insn): Likewise.
2984         * reload.c (find_equiv_reg): Likewise.
2985         * loop.c (load_mems): Likewise.
2986         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
2987         * cse.c (find_comparison_args, fold_rtx): Likewise.
2988         * dwarf2out.c (add_const_value_attribute): Likewise.
2989         * expr.c (convert_move): Likewise.
2990         * recog.c (general_operand, register_operand): Likewise.
2991         * reg-stack.c (replace_reg): Likewise.
2992         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
2993         * c-common.c (handle_vector_size_attribute): Likewise.
2994         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
2995         (simplify_binary_operation_1): Likewise.
2996         (simplify_const_binary_operation): Likewise.
2997         (simplify_relational_operation): Likewise.
2998         (simplify_const_relational_operation): Likewise.
2999         (simplify_immed_subreg): Likewise.
3000         * emit-rtl.c (gen_lowpart_common): Likewise.
3001         * expmed.c (expand_mult): Likewise.
3002         * stor-layout.c (layout_type): Likewise.
3003
3004 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3005
3006         PR target/24951
3007         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3008         cst2 only for SPE vectors.
3009
3010 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3011
3012         PR target/24953
3013         * config/rs6000/predicates.md (vrsave_operation): Check
3014         UNSPEC_VOLATILE value.
3015
3016 2005-11-21  Jan Hubicka  <jh@suse.cz>
3017
3018         PR tree-optimization/24653
3019         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3020
3021 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3022
3023         * config/i386/predicates.md (ax_reg_operand): New predicate.
3024         (memory_displacement_only_operand): New predicate.
3025         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3026         operand is AX register and the other operand is memory operand
3027         with displacement only.
3028
3029 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3030
3031         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3032         if we don't care about NaNs or Infinities.
3033
3034 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3035
3036         PR rtl-optimization/24883
3037         * combine.c (combinable_i3pat): When checking whether the
3038         destination of i3 is used in i3, consider paradoxical subregs.
3039
3040 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3041
3042         PR middle-end/20583
3043         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3044
3045 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3046
3047         * combine.c (try_combine): Do not run subst on i1src and i2src in
3048         the case of generating a PARALLEL for a comparison.
3049
3050 2005-11-20  Richard Henderson  <rth@redhat.com>
3051
3052         PR 24931
3053         * tree-sra.c (struct sra_elt): Add all_no_warning.
3054         (struct sra_walk_fns) <use>: Add use_all argument.
3055         (sra_walk_expr): Pass it.
3056         (sra_walk_modify_expr): Likewise.
3057         (scalarize_ldst): Likewise.
3058         (scan_use): Update for new argument.
3059         (mark_no_warning): New.
3060         (scalarize_use): Use it.
3061
3062 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3063
3064         * expr.c (expand_expr_real): Use usmul_optab for widening
3065         signed * unsigned multiplies.
3066         * genopinit.c (optabs): Add usmul_widen_optab.
3067         * optabs.c (init_optabs): Likewise.
3068         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3069         (usmul_widen_optab): Define.
3070         * config/bfin/bfin.md (usmulhisi3): New pattern.
3071
3072         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3073
3074 2005-11-20  Graham Stott <btinternet.com>
3075
3076         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3077
3078 2005-11-20  Andreas Schwab  <schwab@suse.de>
3079
3080         PR target/24757
3081         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3082         insn.
3083
3084 2005-11-19  Richard Henderson  <rth@redhat.com>
3085
3086         PR tree-opt/24665
3087         * tree-gimple.c (is_gimple_id): Export.
3088         * tree-gimple.h (is_gimple_id): Declare.
3089         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3090         (get_default_value): Use it.
3091         (maybe_fold_stmt_indirect): Likewise.
3092
3093 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3094
3095         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3096         than VR1 or vice-versa.
3097
3098 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3099
3100         PR middle-end/24912
3101         PR middle-end/24750
3102         * reload.c (find_reloads_address_1): Mention dependency on
3103         gen_reload.
3104         * reload1.c (gen_reload): For IN with an unary operation, try
3105         moving inner expression to OUT if trivial SET is not valid.
3106         Confirm that the result is valid.  Move common code block into...
3107         (emit_insn_if_valid_for_reload): New function.
3108
3109 2005-11-19  Richard Guenther  <rguenther@suse.de>
3110
3111         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3112         ARRAY_REFs of constant strings.
3113
3114 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3115
3116         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3117         fatal format string.
3118
3119 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3120
3121         * combine.c (make_compound_operation): Swap operands of
3122         commutative operation if necessary before returning.
3123
3124 2005-11-19  Richard Guenther  <rguenther@suse.de>
3125
3126         PR middle-end/23294
3127         * fold-const.c (fold_plusminus_mult_expr): New function.
3128         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3129         cases, remove now unnecessary code.
3130
3131 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3132
3133         * gensupport.c (old_preds): Rename to std_preds, add special field.
3134         (struct old_pred_table): Rename to struct std_pred_table, add special
3135         field.
3136         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3137         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3138         (init_predicate_table): Adjust, and set along the way whether a
3139         predicate is special.
3140
3141 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3142
3143         * BASE-VER: Change to 4.2.0.
3144
3145 2005-11-18  James E Wilson  <wilson@specifix.com>
3146
3147         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3148         returning it.
3149
3150 2005-11-18  Mike Stump  <mrs@apple.com>
3151
3152         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3153         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3154         * c-decl.c (lookup_name_two) Remove.
3155         * c-tree.h (lookup_name_two): Remove.
3156         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3157         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3158         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3159         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3160
3161 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3162
3163         PR target/24914
3164         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3165         when not generating code to use that co-processor.
3166
3167 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3168
3169         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3170         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3171         these functions are now in tree-phinodes.c.
3172
3173 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3174
3175         * config/bfin/bfin.md (trap): New pattern.
3176
3177 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3178
3179         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3180         on types.
3181
3182         * expr.c (expand_expr_real): Don't call record_block_change unless
3183         ib_boundaries_block is non-null
3184
3185         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3186
3187         * fold-const.c (build_range_check): Use proper type for subtraction
3188         when merging lower bound.
3189
3190 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3191
3192         PR rtl-optimization/24497
3193         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3194         the copied insn.
3195
3196 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3197
3198         * tree-scalar-evolution.c (expression_expensive_p): New function.
3199         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3200
3201 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3202
3203         * config/bfin/crtlibid.s: New file.
3204
3205 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3206
3207         PR target/24348
3208         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3209         when not using sjlj exceptions.
3210         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3211         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3212         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3213         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3214         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3215         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3216         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3217         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3218         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3219         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3220         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3221         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3222         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3223         defines.
3224         * config/pa/hpux-unwind.h: New file.
3225
3226 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3227
3228         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3229         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3230         * varasm.c (do_assemble_alias): Adjust call.
3231         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3232         is defined.
3233         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3234
3235 2005-11-17  James E Wilson  <wilson@specifix.com>
3236
3237         * tree.def (FUNCTION_DECL): Correct typo in comment.
3238
3239 2005-11-17  Richard Henderson  <rth@redhat.com>
3240
3241         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3242         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3243         and DW_CFA_def_cfa_sf.
3244         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3245         (dbx_reg_number): Don't assert particular registers here.
3246         (based_loc_descr): ... do it here instead.  Fold in ...
3247         (eliminate_reg_to_offset): ... this function.
3248         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3249         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3250         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3251         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3252         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3253         (instantiate_virtual_regs): Likewise.
3254         * var-tracking.c (adjust_stack_reference): Likewise.
3255         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3256
3257 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3258
3259         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3260         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3261         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3262         crtlibid.o.
3263         ($(T)crtlibid.o): New rule.
3264
3265 2005-11-16  Richard Guenther  <rguenther@suse.de>
3266
3267         PR middle-end/24851
3268         * fold-const.c (extract_array_ref): Return byte offset
3269         in all cases.
3270         (fold_binary): Fold &x[a] CMP &x[b] to
3271         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3272         behavior.
3273
3274 2005-11-16  Richard Henderson  <rth@redhat.com>
3275
3276         PR middle-end/23497
3277         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3278         parts of an SSA_NAME.
3279
3280 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3281
3282         PR target/24861
3283         * arm.md (split for movsf with immediate): Restrict split to insns
3284         that set a general register.
3285
3286 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3287
3288         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3289         uw_update_context.
3290         * unwind-dw2.c (uw_advance_context): Likewise.
3291         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3292         _Unwind_SjLj_Unregister.
3293         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3294
3295 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3296
3297         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3298
3299 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3300
3301         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3302         langhook to get a DImode integer type.
3303
3304 2005-11-16  Richard Henderson  <rth@redhat.com>
3305             J"orn Rennecke <joern.rennecke@st.com>
3306             Ulrich Weigand  <uweigand@de.ibm.com>
3307
3308         PR rtl-opt/24160
3309         PR target/24621
3310         * reload1.c (reg_equiv_invariant): New.
3311         (reload): Allocate, initialize, and free it.
3312         (calculate_needs_all_insns): Check it when skipping equivalence
3313         setting insns.
3314         (alter_reg): Likewise.
3315         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3316         may_use_invariant argument; only use reg_equiv_invariant when true.
3317         (eliminate_regs): New.
3318         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3319         a context for which may_use_invariant may be true.
3320
3321 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3322
3323         * fold-const.c (const_binop): Don't constant fold the operation
3324         if the result has overflowed and flag_trapping_math.
3325         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3326
3327 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3328
3329         * config/arm/unwind-arm.c (abort): Add prototype here.
3330         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3331         (struct phase1_vrs): Add prev_sp.
3332         (unwind_phase2_forced): Save the original core registers instead of
3333         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3334         and set action flags accordingly.  Always set _US_END_OF_STACK when
3335         get_eit_entry fails.  Unwind before calling the stop function.
3336         (_Unwind_GetCFA): New function.
3337         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
3338         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
3339         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
3340         just call unwind_phase2_forced.
3341         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
3342         * config/arm/unwind-arm.h (abort): Remove prototype.
3343         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
3344         prototypes.
3345         (_Unwind_GetCFA): New prototype.
3346         * config/arm/pr-support.c (abort): Add prototype here.
3347         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
3348         forced unwinding.
3349         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
3350         not schedule the prologue with non-call exceptions and EABI.
3351
3352 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
3353
3354         * config/arm/unwind-arm.h: Reorder interface function declarations.
3355         (_URC_END_OF_STACK): New enumeration value.
3356         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
3357         (struct _Unwind_Control_Block): Document reserved field use.
3358         (_Unwind_Stop_Fn): New typedef.
3359         (_Unwind_ForcedUnwind): Declare.
3360         (_Unwind_Resume_or_Rethrow): Declare.
3361         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
3362         argument.  Adjust.
3363         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
3364         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
3365         (UCB_FORCED_STOP_ARG): New.
3366         (search_EIT_table): Update boundary condition checks.
3367         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
3368         (unwind_phase2): Replace for with do..while.
3369         (unwind_phase2_forced): New.
3370         (__gnu_Unwind_RaiseException): Replace for with do..while.
3371         (__gnu_Unwind_ForcedUnwind): New.
3372         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
3373         Use appropriate phase2 unwinder.
3374         (__gnu_Unwind_Resume_or_Rethrow): New.
3375         (__gnu_unwind_pr_common): Cope with forced unwinding.
3376
3377 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
3378
3379         PR target/24772
3380         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
3381
3382         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
3383         roundsf2): Remove "s" from mnemonic.
3384
3385 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
3386
3387         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
3388         __PIC__ is defined.
3389         * config/bfin/crtn.s: Change epilogues to match.
3390         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
3391         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
3392         __PIC__ and __pic__.
3393
3394 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3395
3396         PR 24357
3397         * doc/invoke.texi: Distinguish between free and fixed form instead of
3398         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
3399         languages.
3400         * gcc.c (default_compilers): Remove double entries, add entries for
3401         suffixes '.F90' and '.F95'.
3402
3403 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
3404
3405         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
3406         in the stack probing loop.
3407
3408 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3409
3410         * configure.ac: Use .machine power5 not power5x.
3411         * configure: Regenerate.
3412
3413 2005-11-15  Mike Stump  <mrs@apple.com>
3414
3415         * c-decl.c (lookup_name_two): Add.
3416         * c-tree.h (lookup_name_two): Likewise.
3417         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
3418         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3419
3420 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
3421
3422         PR rtl-optimization/23392
3423         * regrename.c (enum scan_actions) Add mark_access.
3424         (scan_actions_name): Ditto.
3425         (scan_rtx_reg): Handle mark_access.
3426         (scan_rtx_address): Do nothing for mark_access.
3427         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
3428         and regs in REG_INC notes before closing chains for dead regs.
3429         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
3430         opening chains for new writes.
3431
3432 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
3433
3434         * c.opt (ffixed-line-length-none): New.
3435
3436 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
3437
3438         * mklibgcc.in: Change contents of eh_dummy.c.
3439
3440 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3441
3442         * loop.c (scan_loop): Do not insert temporaries for hard registers.
3443
3444 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
3445
3446         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
3447         of making syscalls.
3448         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
3449
3450 2005-11-15  Jan Hubicka  <jh@suse.cz>
3451
3452         * invoke.texi (large-unit-insns): Document.
3453         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
3454         * params.def (large-unit-insns): New param.
3455
3456 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
3457
3458         PR target/24869
3459         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
3460         special register for operand 3.  Reindent constraints to align
3461         them vertically.
3462
3463 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
3464
3465         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
3466         -mpopcntb, -mfprnd. Add -mcpu=power5+.
3467         * configure.ac: Add test for FP rounding instructions.
3468         * configure: Regenerate.
3469         * config.in: Regenerate.
3470         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3471         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
3472         features enabled.
3473         * config/rs6000/rs6000.opt (mfprnd): New.
3474         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
3475         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
3476         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
3477         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
3478         (TARGET_FPRND): New.
3479         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
3480         UNSPEC_FRIZ): New.
3481         (btrunc<mode>2): New.
3482         (ceil<mode>2): New.
3483         (floor<mode>2): New.
3484         (round<mode>2): New.
3485
3486 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
3487
3488         * gcc.c (version_compare_spec_function): Use fatal() rather than
3489         abort().
3490
3491         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
3492         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
3493         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
3494         as empty.
3495         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
3496         link in crt2.o.
3497
3498         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
3499         on -mmacosx-version-min setting.
3500
3501 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
3502
3503         PR 24840
3504         * tree-vrp.c (infer_value_range): Return false if STMT is a
3505         block terminator and its basic block has no successors.
3506
3507 2005-11-14  Mike Stump  <mrs@apple.com>
3508
3509         * config/i386/i386.c (override_options): -masm=intel isn't
3510         supported on darwin.
3511         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3512
3513 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
3514
3515         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
3516         vfork after including auto-host.h.
3517
3518 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
3519
3520         PR rtl-optimization/22002
3521         * combine.c (distribute_notes): Detect cases where a reg dies
3522         two or more times in a bb, including on the insn we are combining,
3523         and place the death note on the correct range.
3524
3525 2005-11-14  Dale Johannesen  <dalej@apple.com>
3526
3527         * expmed.c (store_bit_field):  Add offset unconditionally for
3528         memory targets.
3529         (extract_bit_field):  Don't force extzv or extv operand into
3530         a register if field is too big.
3531
3532 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3533
3534         * config/arm/arm.c (pic_labelno): New.
3535         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
3536         LABEL_REF.  Pass only the labelno to PIC insns.
3537         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3538         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
3539         * arm.md (UNSPEC_PIC_LABEL): New constant.
3540         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
3541         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
3542         Use the correct label prefix.
3543
3544 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
3545
3546         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
3547         REQ_EQUIV note.
3548
3549 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
3550
3551         * loop-invariant.c: Include tm_p.h.
3552         * Makefile.in: Updated.
3553
3554 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3555
3556         * pa.c (store_reg): Revise generation of frame notes in large frames.
3557         (set_reg_plus_d): Likewise.
3558
3559 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
3560
3561         PR tree-optimization/24709
3562         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
3563         loop check.
3564
3565 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3566
3567         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
3568         and duplicate declaration of pthread_self.
3569
3570 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
3571             Ian Lance Taylor  <ian@airs.com>
3572
3573         PR middle-end/24003
3574         * calls.c (expand_call): If TARGET is a MEM and some part of the
3575         argument area has been saved, force TARGET to a register.
3576
3577 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
3578
3579         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
3580         checking.
3581
3582 2005-11-13  Jason Merrill  <jason@redhat.com>
3583
3584         PR c++/22489
3585         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
3586         lazily declared methods.
3587         (force_decl_die): Stop if forcing out the context already make a
3588         DIE for the decl.
3589         (force_type_die): Likewise.
3590
3591 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
3592
3593         PR middle-end/24820
3594         * builtins.c (integer_valued_real_p): Add break in
3595         REAL_CST having TREE_OVERFLOW set.
3596
3597 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
3598
3599         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
3600         addressing modes during calculation of costs.
3601
3602 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
3603
3604         * function.c (assign_stack_local_1): Restrict sanity check
3605         on frame size overflow to 32-bit and above platforms.
3606
3607 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3608
3609         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3610         * config/cris/cris.c: Include reload.h.
3611         (cris_initial_elimination_offset): New function.
3612         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
3613         Prototype.
3614
3615 2005-11-12  Richard Guenther  <rguenther@suse.de>
3616
3617         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
3618
3619 2005-11-12  Jan Hubicka  <jh@suse.cz>
3620
3621         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
3622         to compare against 0 when possible.
3623
3624 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
3625
3626         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
3627         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3628         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
3629         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
3630         in the new order.
3631
3632 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3633
3634         * recog.c (constrain_operands) <case 'g'>: For a match, require
3635         that a non-register matches general_operand when strict >= 0.
3636
3637 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3638
3639         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
3640         previous checkin.
3641
3642 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3643
3644         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
3645         (memory_address_same): New.
3646         (dse_optimize_stmt): Call memory_address_same.
3647
3648 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
3649
3650         PR middle-end/24750
3651         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
3652         ZERO_EXTEND>: New cases.
3653
3654 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
3655
3656         * longlong.h (__clz_tab): Always provide.
3657
3658 2005-11-11  Steven Bosscher  <stevenb@suse.de>
3659
3660         PR 24265
3661         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
3662         can be assigned to.
3663         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
3664         before check_maybe_invariant.
3665         (move_invariant_reg): Use gen_move_insn instead of replacing
3666         SET_DEST with the temporary for the invariant.
3667         (move_loop_invariants): If checking is enabled, do internal
3668         consistency checks after completing the pass.
3669
3670 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
3671
3672         PR 24644
3673         * common.opt (Wvolatile-register-var): New.
3674         * varasm.c (make_decl_rtl): Only emit warning when option
3675         specified.  Clarify warning message.
3676         * doc/invoke.texi (Wvolatile-register-var): Document new option.
3677
3678         * doc/md.texi (copysign): Document standard named pattern.
3679
3680 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
3681
3682         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
3683         bytes when align is 2.
3684         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
3685         by the first instruction of the loop.
3686
3687 2005-11-11  Jason Merrill  <jason@redhat.com>
3688
3689         PR c++/24686
3690         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
3691         the cleanup list.
3692
3693 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
3694
3695         PR rtl-optimization/22509
3696         * local-alloc.c (memref_used_between_p): Check whether a function call
3697         could not reference the memref.
3698
3699 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
3700
3701         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
3702         algorithm so as to choose the best, not the worst, alternative.
3703         Reset accumulated register class before processing next alternative.
3704
3705 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3706
3707         PR target/24445
3708         * calls.c (expand_call): Copy a return value to a plain register
3709         if needed.
3710
3711 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
3712
3713         PR target/24778
3714         * varasm.c (assemble_name): Recompute name only for transparent
3715         aliases.
3716
3717 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
3718
3719         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
3720
3721 2005-11-04  Jeff Law  <law@redhat.com>
3722
3723         PR middle-end/23181
3724         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
3725         perform reassociation if the parent statement will not die as
3726         a result of the optimization.
3727
3728 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
3729
3730         * tree-ssa-alias.c (compute_may_aliases): Remove call to
3731         delete_old_heap_vars.
3732         * tree-dfa.c (referenced_var_remove): Remove function.
3733         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
3734         (delete_tree_ssa): Remove call to delete_old_heapvars.
3735         Add call to delete_alias_heapvars.
3736         * tree-flow.h (referenced_var_remove): Remove prototype
3737         (init_alias_heapvars): New prototype.
3738         (delete_alias_heapvars): Ditto.
3739         * Makefile.in (tree-ssa-structalias.o): Add
3740         gt-tree-ssa-structalias.o
3741         (GTFILES): Add tree-ssa-structalias.h and
3742         tree-ssa-structalias.c.
3743         (s-gtype): Add gt-tree-ssa-structalias.h.
3744         * tree-ssa-structalias.c (heapvars): Remove.
3745         (oldheapvars): Remove.
3746         (heapvar_for_stmt): New variable.
3747         (heapvar_lookup): New function.
3748         (heapvar_insert): Ditto.
3749         (get_constraint_for): See if we have an old heapvar
3750         to reuse.
3751         (init_alias_heapvars): New function.
3752         (delete_alias_heapvars): Ditto.
3753         Add include of gt-tree-ssa-structalias.h.
3754
3755 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3756
3757         PR middle-end/22127
3758         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
3759
3760 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
3761
3762         * tree.c (int_fits_type_p): Only look at the base type
3763         if it has the same precision as the original type.
3764
3765 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
3766
3767         PR other/4372
3768         * varasm.c (assemble_alias): Use %q+D in the error
3769         message instead of %J and %qD.
3770
3771 2005-11-10  Richard Guenther  <rguenther@suse.de>
3772
3773         * gcse.c (free_ldst_entry): Only free hashtable if
3774         it exists.
3775
3776 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3777
3778         * function.c (assign_stack_local_1): Issue an error message if
3779         the frame size overflows in the signed target arithmetics.
3780
3781 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3782
3783         * tree.c (build_qualified_type): Chain the new type to the original
3784         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3785         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3786         (build_pointer_type_for_mode): Only return unqualified types.
3787         (build_reference_type_for_mode): Likewise.
3788
3789 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
3790
3791         * Makefile.in (gnucompare): Do comparison of all files using one of
3792         the chosen methods and only afterwards decide if just warning should
3793         be issued or comparison failure raised.
3794
3795 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3796
3797         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
3798         (noce_try_abs): Negate if the comparison is reversed.
3799         Look only one instruction backwards for a REG_EQUAL note.
3800
3801 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3802
3803         PR other/4372
3804         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
3805         gthr-tpf.h: Define __gthrw.  For all identifiers that might
3806         be weak, introduce weakrefs or non-weak aliases with __gthrw,
3807         and prefix all uses with __ghtrw.
3808
3809 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
3810
3811         PR other/4372
3812         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
3813         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
3814         * c-common.c (handle_weakref_attribute): New.
3815         (c_common_attribute_table): Add weakref.
3816         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
3817         in the assembler.
3818         * configure, config.in: Rebuilt.
3819         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
3820         * doc/extend.texi: Document weakref attribute.
3821         * varasm.c (ultimate_transparent_alias_target): New
3822         (assemble_name): Use it.
3823         (weak_finish_1): Split out of...
3824         (weak_finish): ... and deal with weakrefs in...
3825         (weakref_targets): ... new list.
3826         (globalize_decl): Clean up weakref_targets.
3827         (do_assemble_alias): Handle weakrefs.
3828         (finish_aliases_1): Do not reject weakrefs to external symbols.
3829         (assemble_alias): Handle weakrefs.
3830
3831 2005-11-09  Richard Guenther  <rguenther@suse.de>
3832
3833         PR tree-optimization/24716
3834         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
3835         t_bool to track results from follow_ssa_edge.
3836
3837 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3838
3839         * final.c (force_source_line): New global variable.
3840         (final_scan_insn): Set it to true instead of clearing last_filename.
3841         (notice_source_line): Return true if force_source_line is true,
3842         unless source info is absent.
3843
3844 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
3845
3846         PR c/24644
3847         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
3848         a linkage name for a variable if it a register variable.
3849         * c-decl.c (grokdeclarator): Global register variables
3850         should be set as PUBLIC.
3851
3852 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3853
3854         PR 24624
3855         * config/s390/s390.c (struct s390_frame_layout): New fields
3856         first_save_gpr_slot and last_save_gpr_slot.
3857         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
3858         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
3859         first_save_gpr and last_save_gpr with the _slot variants.
3860         (s390_register_info): Calculate first_save_gpr_slot and
3861         last_save_gpr_slot using regs_ever_live.
3862
3863 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3864
3865         PR 24623
3866         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
3867         for a function containing a landing pad.
3868
3869 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
3870
3871         PR 24034
3872         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
3873         is live afterwards.
3874
3875 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
3876
3877         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
3878         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
3879
3880 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
3881
3882         Add ms2 support
3883         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
3884         constants.
3885         (call,load,store): New insn types.
3886         (mem_access, branch_access): Adjust reservation conditions.
3887         (define_delay): Adjust condition.
3888         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
3889         type.
3890         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
3891         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
3892         insn type.
3893         (call_internal, call_value_internal, return_internal,
3894         return_interrupt_internal, eh_return_internal, indirect_jump,
3895         tablejump): Set call insn type.
3896         (blockage, ei, di): Use appropriate unspec const.
3897         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
3898         (ms1_get_attr_type): Adjust to give load & store types.
3899         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
3900         backwards past a barrier.
3901         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
3902         branch scheduling.
3903         (struct branch_info, struct label_info): New.
3904         (ms1_labels): New.
3905         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
3906         (ms1_machine_reorg): New.
3907         (TARGET_MACHINE_DEPENDENT_REORG): Override.
3908         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
3909         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
3910         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
3911         (TARGET_MS2): New.
3912
3913 2005-11-09  Per Bothner  <per@bothner.com>
3914             Uros Bizjak  <uros@kss-loka.si>
3915
3916         PR c/24101
3917         * toplev.c (process_options): Initialize debug_hooks early
3918         in case lang_hooks.post_options ends up calling a debug_hook.
3919
3920 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
3921
3922         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
3923         DBX_REGISTER_NUMBER being contiguous.
3924
3925 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
3926             Diego Novillo  <dnovillo@redhat.com>
3927
3928         PR 23046
3929         * tree-vrp.c (register_edge_assert_for): Do not register
3930         always-false predicates.
3931
3932 2005-11-08  Devang Patel <dpatel@apple.com>
3933
3934         PR tree-optimization/23115
3935         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
3936         relation.
3937
3938 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
3939
3940         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
3941         -mcpu=440.
3942
3943 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
3944
3945         Fix PR tree-optimization/23382
3946
3947         * tree-ssa-alias.c (compute_may_aliases): Call
3948         delete_old_heap_vars.
3949         * tree-dfa.c (referenced_var_remove): New function.
3950         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
3951         * tree-flow.h (referenced_var_remove): Add prototype.
3952         (delete_old_heap_vars): Ditto.
3953         * tree-ssa-structalias.c (heapvars): New variable.
3954         (oldheapvars): Ditto.
3955         (get_constraint_for): Put heap vars on heapvars list.
3956         (delete_old_heap_vars): New function.
3957
3958 2005-11-08  Jason Merrill  <jason@redhat.com>
3959
3960         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
3961
3962 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
3963
3964         PR target/19340
3965         * reg-stack.c (reg_to_stack): Update register liveness also
3966         for flag_sched2_use_traces.
3967
3968 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
3969
3970         PR target/23704
3971         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
3972         override prior explicit -mno-powerpc-gfxopt.
3973
3974 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
3975
3976         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
3977         if the bitsize is zero.
3978         * doc/md.texi (Standard Pattern Names): Document it.
3979
3980         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
3981         (TARGET_PASS_BY_REFERENCE): Likewise.
3982
3983 2005-11-07  Ian Lance Taylor  <ian@airs.com>
3984
3985         PR rtl-optimization/24683
3986         * config/i386/i386.c (legitimize_pic_address): If constant operand
3987         to PLUS is too large, put it in a register.
3988
3989 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
3990
3991         * configure.ac: Enable checking assembler dwarf2 support for bfin
3992         target.
3993         * configure: Regenerate.
3994
3995 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3996
3997         PR target/24230
3998
3999         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4000         gen_easy_vector_constant_add_self): Delete.
4001         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4002         New.
4003         (output_vec_const_move): Use gen_easy_altivec_constant.
4004         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4005         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4006         (easy_vector_constant_add_self): Rewritten.
4007         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4008         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4009         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4010         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4011         Macroize and adjust for the other changes.
4012
4013 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4014
4015         PR c/24599
4016
4017         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4018         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4019
4020 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4021
4022         PR rtl-optimization/23567
4023         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4024         (noce_process_if_block): Don't do any optimizations except
4025         if (cond) x = x; if !set_b and write into orig_x may trap
4026         or fault.  Remove the MEM_READONLY_P check.
4027
4028 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4029
4030         PR 24670
4031         * tree-vrp.c (fix_equivalence_set): New.
4032         (extract_range_from_assert): Call it.
4033
4034 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4035
4036         PR target/22432
4037         * combine.c (apply_distributive_law): Don't distribute across a
4038         vector mode subreg.
4039
4040 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4041
4042         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4043         config/ms1/ms1.h, config/rs6000/predicates.md,
4044         config/s390/s390.c, params.def, postreload-gcse.c,
4045         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4046         tree-vrp.c, tree.c: Fix comment typos.
4047         * doc/invoke.texi: Fix typos.
4048
4049 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4050
4051         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4052         for testing whether the data_dependence_relation contains distance
4053         vectors.  Iterate over all distance vectors of the ddr.
4054         * lambda.h: Define a vec of lambda_vector pointers.
4055         * tree-data-ref.c (dump_data_dependence_relation,
4056         dump_data_dependence_direction): Iterate over all distance and
4057         direction vectors of the ddr.
4058         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4059         DDR_DIST_VECTS.
4060         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4061         of distance/direction vectors instead of a single one.
4062         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4063         lambda_vectors with a vec of lambda_vectors.
4064         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4065         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4066         DDR_NUM_DIST_VECTS): New.
4067         * tree-loop-linear.c (gather_interchange_stats): Test for the
4068         existence of distance vectors only after having checked that there
4069         is a dependence.  Iterate over all distance vectors of the ddr.
4070         (linear_transform_loops): Use dump_data_dependence_relation.
4071         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4072         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4073         distance vectors of the ddr.
4074
4075 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4076
4077         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4078         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4079         IS_INTHANDLER; all callers changed.
4080         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4081         account.
4082         (do_link, do_unlink): New argument ALL; all callers changed.
4083         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4084         If function isn't leaf, save and restore all registers.
4085         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4086         exception handler.
4087
4088 2005-11-05  Jan Hubicka  <jh@suse.cz>
4089
4090         PR rtl-optimization/23490
4091         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4092         max-flow-memory-location): Document.
4093         * flow.c: Include params.h
4094         (MAX_MEM_SET_LIST_LEN): Kill.
4095         (add_to_mem_set_list): Use new param.
4096         * cse.c (cse_basic_block): Replace 1000 by new param.
4097         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4098         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4099         * predict.c (predict_loops): Use new param.
4100         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4101
4102         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4103         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4104         Do not hold memory returned by cgraph_node_name across other call.
4105
4106 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4107
4108         PR target/23424
4109         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4110         Disable.
4111
4112 2005-11-04  Jeff Law  <law@redhat.com>
4113
4114         PR/21883
4115         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4116         * tree-ssa-dom.c: Include params.h.
4117         (thread_across_edge): If there are too many statements in the
4118         target block, then do not thread through it.
4119         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4120         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4121
4122 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4123
4124         PR 24627
4125         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4126         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4127
4128 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4129
4130         PR/18595
4131         * tree-scalar-evolution.c (instantiate_parameters_1,
4132         instantiate_parameters, resolve_mixers): Compute the size of an
4133         expression to be instantiated and give up the instantiation if the
4134         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4135
4136 2005-11-04  Richard Guenther  <rguenther@suse.de>
4137
4138         * tree-flow.h (ref_contains_indirect_ref): Rename to
4139         array_ref_contains_indirect_ref.
4140         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4141         (array_ref_contains_indirect_ref): Make comment match the code
4142         and vice-versa.
4143         (ref_contains_array_ref): Likewise.
4144         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4145         ref_contains_indirect_ref.
4146         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4147         Rename calls to ref_contains_indirect_ref.
4148
4149 2005-11-04 Paul Brook  <paul@codesourcery.com>
4150
4151         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4152         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4153         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4154         * config/arm/arm.md: Use match_operand in peephole input templates
4155         and match_dup in peephole output templates.
4156
4157 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4158
4159         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4160         __aeabi_uidiv.
4161
4162 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4163             Daniel Jacobowitz  <dan@codesourcery.com>
4164
4165         * longlong.h (add_ssaaaa): Clobber condition code register
4166         in ARM version.
4167         (sub_ddmmss): Likewise.
4168         (umul_ppmm): Likewise.
4169
4170 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4171             Paul Brook  <paul@codesourcery.com>
4172             Phil Blundell  <pb@reciva.com>
4173
4174         * configure.ac: Add test for ARM TLS support.
4175         * configure: Regenerated.
4176         * config/arm/arm-protos.h (legitimize_tls_address)
4177         (arm_tls_referenced_p, tls_mentioned_p)
4178         (arm_output_addr_const_extra): New prototypes.
4179         (thumb_legitimize_pic_address): Delete.
4180         * config/arm/arm.c: Include "gt-arm.h".
4181         (enum tls_reloc): New.
4182         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4183         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4184         (arm_call_tls_get_addr, legitimize_tls_address)
4185         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4186         (arm_init_tls_builtins, arm_emit_tls_decoration)
4187         (arm_output_addr_const_extra): New functions.
4188         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4189         (TARGET_HAVE_TLS): Define.
4190         (target_thread_pointer): New.
4191         (arm_override_options): Handle -mtp=.
4192         (legitimize_pic_address): Ignore UNSPECs.
4193         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4194         relative symbols.
4195         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4196         (tls_get_addr_libfunc): New variable.
4197         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4198         (arm_init_builtins): Call arm_init_tls_builtins.
4199         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4200         (arm_encode_section_info): Call default_encode_section_info.
4201         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4202         (enum arm_tp_type): New.
4203         (target_thread_pointer): Add declaration.
4204         (LEGITIMATE_CONSTANT_P): Handle TLS.
4205         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4206         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4207         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4208         * config/arm/arm.md: Add UNSPEC_TLS.
4209         (movsi): Handle TLS.
4210         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4211         non-PIC.
4212         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4213         (load_tp_hard, load_tp_soft): New insns.
4214         * arm.opt: Add -mtp=.
4215         * doc/invoke.texi (ARM Options): Document -mtp.
4216
4217 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4218
4219         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4220         * config/arm/libunwind.S: Include "lib1funcs.asm".
4221         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4222         (LIB2ADDEH): Add libunwind.S.
4223         (LIB2ADDEHDEP): Add lib1funcs.asm.
4224         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4225
4226 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4227
4228         PR fortran/18452
4229         * gcc/c.opt: Add a -lang-fortran option.
4230         * gcc/c-opts.c: Add a lang_fortran flag.
4231         (c_common_init_options): Handling the -lang-fortran option.
4232         (c_common_handle_option): Add a case for Fortran options in
4233         preprocessing. Remove cases for -ffixed-form and
4234         -ffixed-line-length. Add a case for -lang-fortran.
4235
4236 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4237
4238         * config/rs6000/rs6000.c: Include params.h
4239         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4240         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4241         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4242         (UNSPEC_VPKUWSS): Delete.
4243         (altivec_vpkuhss): Delete.
4244         (altivec_vpkuwss): Delete.
4245         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4246         final condition.
4247         (neg_eq0<mode>): Remove final condition.
4248         (neg_eq<mode>): Remove condition and split-condition.
4249
4250 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4251
4252         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4253         Use associated print macros.
4254
4255 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4256
4257         PR c++/17964
4258         * diagnostic.c (diagnostic_set_info_translated): New function.
4259         (diagnostic_set_info): Use it.  Add comment.
4260         * diagnostic.h (diagnostic_set_info_translated): Declare.
4261
4262 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4263
4264         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4265         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4266         reference only if 'public' is true.
4267         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4268         emit the .hidden directive only if the indirect reference is public.
4269         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4270         Pass it to dw2_force_const_mem.
4271         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4272         * dwarf2out.c (output_cfi): Adjust calls to above function.
4273         (output_call_frame_info): Likewise.
4274         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4275         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4276
4277 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4278
4279         PR tree-optimization/24483
4280         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4281         field to elts if possible.
4282
4283 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4284
4285         PR middle-end/23155
4286         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4287         CONSTRUCTOR.
4288
4289 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4290
4291         Fix PR tree-optimization/24351
4292
4293         * tree-ssa-structalias.c (struct variable_info): Add
4294         collapsed_into.
4295         (get_varinfo_fc): New function to follow collapsing.
4296         (new_var_info): Set collapsed_to to NULL.
4297         (dump_constraint): Follow collapsing.
4298         (build_constraint_graph): Handle collapsing.
4299         (do_simple_structure_copy): Return false if something bad
4300         happened.
4301         (collapse_rest_of_var): New function.
4302         (do_structure_copy): Collapse if do_simple_structure_copy returns
4303         false.
4304
4305 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4306
4307         PR middle-end/24589
4308         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4309         expressions to a statement list instead of gimplifying them.
4310
4311 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4312
4313         PR rtl-optimization/23585
4314         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4315         that can't trap plus a constant integer, if the mode has zero size.
4316
4317 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4318
4319         PR target/24620
4320         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4321         as operand 2.
4322         ("*insv<mode>_reg_extimm"): Likewise.
4323
4324 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4325
4326         PR c/24329
4327         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4328         c_common_type_for_mode returns an unnamed type.
4329
4330 2005-11-02  Richard Henderson  <rth@redhat.com>
4331
4332         PR target/9350
4333         PR target/24374
4334         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4335         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
4336         * function.c (assign_parms): Use calls.internal_arg_pointer.
4337         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
4338         code.
4339         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
4340         (TARGET_CALLS): Add it.
4341         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
4342         * targhooks.c (default_internal_arg_pointer): New.
4343         * targhooks.h (default_internal_arg_pointer): Declare.
4344         * tree.h (dwarf2out_reg_save_reg): Declare.
4345         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
4346         * config/i386/i386.c (dbx_register_map): Add return column.
4347         (dbx64_register_map, svr4_dbx_register_map): Likewise.
4348         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
4349         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
4350         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
4351         (ix86_save_reg): Save force_align_arg_pointer.
4352         (ix86_emit_save_regs): Make regno unsigned.
4353         (ix86_emit_save_regs_using_mov): Likewise.
4354         (ix86_expand_prologue): Handle force_align_arg_pointer.
4355         (ix86_expand_epilogue): Likewise.
4356         * config/i386/i386.h: (dbx_register_map): Update.
4357         (dbx64_register_map, svr4_dbx_register_map): Update.
4358         (struct machine_function): Add force_align_arg_pointer.
4359         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
4360         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
4361         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
4362
4363 2005-11-02  Jan Hubicka  <jh@suse.cz>
4364
4365         PR target/23303
4366         * i386.md: Add peep2 for simplyfing array accesses.
4367
4368 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4369
4370         PR target/24615
4371         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
4372         * config/s390/s390.c (s390_decompose_shift_count): New function.
4373         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
4374         (print_shift_count_operand): Use s390_decompose_shift_count.
4375         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
4376         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
4377
4378 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
4379
4380         PR target/24600
4381         * loop.c (loop_givs_rescan): Use force_operand to expand
4382         complex GIVs.
4383
4384 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
4385
4386         PR 22429
4387         * fold-const.c (build_range_check): Use unsigned when signed
4388         overflow is undefined also.  If etype is subtype, make sure that
4389         the subtraction is in the supertype.
4390
4391 2005-11-02  Richard Henderson  <rth@redhat.com>
4392
4393         PR target/24178
4394         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
4395         by MEM_ALIGN.
4396
4397 2005-11-01  Richard Henderson  <rth@redhat.com>
4398
4399         PR 21518
4400         * loop.c (scan_loop): Do not propagate computations to a hard
4401         register destination with SMALL_REGISTER_CLASSES.
4402
4403 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
4404
4405         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
4406         costs for MULT inside PLUS or MINUS.
4407
4408 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
4409
4410         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
4411         (TRAMPOLINE_SIZE): Round up to 60.
4412         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
4413
4414 2005-10-31  James E. Wilson  <wilson@specifix.com>
4415
4416         PR debug/24444
4417         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
4418         ifdef.  Put ifdefs around call in gen_subprogram_die.
4419         (compute_frame_pointer_to_cfa_displacement): Likewise.
4420         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
4421         not defined.
4422
4423         PR rtl-optimization/17356
4424         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
4425         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
4426
4427 2005-10-31  Jan Hubicka  <jh@suse.cz>
4428
4429         PR middle-end/24093
4430         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
4431
4432         PR target/20928
4433         * i386.c (legitimize_pic_address): Deal with large immediates.
4434
4435         PR profile/20815
4436         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
4437         from symbol names while computing checkup.
4438
4439         PR profile/24487
4440         * predict.c (predict_loops): Do not estimate more than
4441         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
4442         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
4443
4444 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
4445
4446         PR tree-optimization/19097
4447         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
4448
4449 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
4450
4451         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
4452
4453 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
4454
4455         PR middle-end/23492
4456         * tree-inline.c (setup_one_parameter): If the init_stmt
4457         is NULL, don't insert the statement.
4458
4459 2005-10-30  Jan Hubicka  <jh@suse.cz>
4460
4461         PR tree-optimization/24172
4462         * tree-inline.c (copy_body_r): Unshare the substituted value first.
4463
4464 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
4465
4466         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
4467         constants for hosts with long != 32 bits.
4468
4469 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
4470
4471         PR middle-end/24093
4472         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
4473
4474 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
4475
4476         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
4477         (TARGET_MS1_16_002): New.
4478         (TARGET_MS1_16_003): New.
4479
4480         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
4481         ("*decrement_and_branch_until_zero_no_clobber"): New.
4482         Add corresponding splitter for decrement_and_branch_until_zero
4483         instruction.
4484         Key all decrement_and_branch_until_zero patterns off of
4485         TARGET_MS1_16_003.
4486
4487 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
4488
4489         PR middle-end/24362
4490         * tree-complex.c (extract_component): Treat RESULT_DECL
4491         like the rest of the decls.
4492
4493 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
4494
4495         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
4496         indirect call to _mcount if the function needs a static chain.
4497
4498 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4499             Caroline Tice  <ctice@apple.com>
4500
4501         PR rtl-optimization/24460
4502         * dwarf2out.c (have_switched_text_sections): New boolean variable.
4503         (dwarf2out_switch_text_section): Set it to true instead of
4504         incrementing separate_line_info_table_in_use.
4505         (output_loc_list): Additionally test have_switched_text_sections.
4506         (output_ranges): Likewise.
4507         (dwarf2out_finish): Likewise.
4508         * varasm.c (assemble_start_function): Do not call
4509         insert_section_boundary_note.
4510         (assemble_end_function): If flag_reorder_blocks_and_partition,
4511         switch to the function's section before emitting the .size directive.
4512         * bb-reorder.c (insert_section_boundary_note): Staticify.
4513         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
4514         * output.h (insert_section_boundary_note): Delete.
4515
4516 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
4517
4518         PR c/23103
4519         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
4520         instead of pointer equality when comparing types.
4521
4522 2005-10-24  James E. Wilson  <wilson@specifix.com>
4523
4524         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
4525         add_dependence_list_and_free calls.
4526
4527 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4528
4529         * contrib.texi: Add the names of the LLNL folks who donated
4530         Cray pointer support for gfortran.
4531
4532 2005-10-24  Steven Bosscher  <stevenb@suse.de>
4533
4534         PR tree-optimization/24225
4535         * profile.c (branch_prob): Look from end to start through a
4536         basic block when looking for a locus.
4537
4538 2005-10-24  Richard Henderson  <rth@redhat.com>
4539
4540         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
4541         parallel.
4542         (hppa_expand_prologue): Likewise.
4543
4544 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4545
4546         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
4547         (NO_DEFERRED_PROFILE_COUNTERS): Define.
4548         * pa.h (NO_PROFILE_COUNTERS): Define.
4549         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
4550         (funcdef_nos): New vector to hold label numbers of deferred profile
4551         counters.
4552         (output_deferred_profile_counters): New function.
4553         (hppa_profile_hook): Push label number onto funcdef_nos.
4554         (pa_hpux_file_end): Call output_deferred_profile_counters if
4555         NO_DEFERRED_PROFILE_COUNTERS is false.
4556
4557         * pa-protos.h (get_deferred_plabel): New prototype.
4558         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
4559         Make global.
4560         (output_call): Adjust calls.
4561
4562 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
4563
4564         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
4565         peculiarity of GOT/TOC section usage.
4566
4567 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
4568
4569         PR objc/24435
4570          * c-common.c (constant_string_class_name): Add documentation.
4571
4572 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
4573
4574         PR target/23832
4575         * recog.c (peephole2_optimize): Increment peep2_current_count
4576         only when the slot is empty.
4577
4578 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4579
4580         PR ada/23957
4581         * except.c (output_function_exception_table): Call
4582         assemble_external_libcall if we need a personality function.
4583
4584 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4585
4586         PR rtl-optimization/24460
4587         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
4588         set the basic block for barriers.
4589
4590 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
4591
4592         * var-tracking.c (vt_initialize): Initialize post.
4593
4594 2005-10-21  Devang Patel  <dpatel@apple.com>
4595
4596         PR/24220
4597         * c-common.c (vector_types_convertible_p): Check vector element type.
4598
4599 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4600
4601         * config/sh/sh.c (prepare_move_operands): Handle the address
4602         constant which is a tls symbolic address plus a constant.
4603
4604 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
4605
4606         PR driver/24473
4607         * gcc.c (main): Use the correct counter for erroring out
4608         about mulitple files.
4609
4610 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
4611
4612         PR target/24465
4613         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
4614         use r2 for 64-bit tls .got access.
4615
4616 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
4617
4618         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
4619         TRUTH_OR_EXPR.
4620
4621 2005-10-20  Steven Bosscher  <stevenb@suse.de>
4622
4623         PR tree-optimization/24307
4624         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
4625
4626 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
4627
4628         PR middle-end/24295
4629         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
4630         alias targets.
4631         * varasm.c (find_decl_and_mark_needed): After cgraph global info
4632         is ready, stop marking functions, but still mark variables.
4633
4634 2005-10-20  Richard Guenther  <rguenther@suse.de>
4635
4636         PR c++/24439
4637         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
4638         void type operands.
4639
4640 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4641
4642         PR rtl-optimization/23585
4643         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
4644         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
4645         (may_trap_p_1): New predicate extracted from...
4646         (may_trap_p): ... here.  Invoke may_trap_p_1.
4647         (may_trap_or_fault_p): New predicate.
4648         * rtl.h (may_trap_or_fault_p): Declare it.
4649         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
4650         instead of may_trap_p.
4651         (steal_delay_list_from_fallthrough): Likewise.
4652         (fill_simple_delay_slots): Likewise.
4653         (fill_slots_from_thread): Likewise.
4654         * function.c (pad_to_arg_alignment): Rework comment about
4655         SPARC_STACK_BOUNDARY_HACK.
4656         * config/sparc/sparc.h: Likewise.
4657
4658 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
4659
4660         * config/s390/s390.c (s390_expand_insv): New.
4661         * config/s390/s390-protos.h (s390_expand_insv): Declare.
4662         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
4663         ("icm_hi"): Remove mode attribute.
4664         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
4665         Adjust all uses.
4666         ("*extracthi", "*extractqi"): Remove.
4667         (extv<mode>", "*extzv<mode>"): New.
4668         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
4669         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
4670
4671 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4672
4673         * cfgexpand.c (discover_nonconstant_array_refs_r,
4674         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
4675         (tree_expand_cfg): Call discover_nonconstant_array_refs.
4676         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4677         discover_nonconstant_array_refs.
4678
4679 2005-10-19  Steven Bosscher  <stevenb@suse.de>
4680
4681         PR c/23228
4682         * c-decl.c (pop_scope): Don't warn about an unused variable
4683         if it is marked with TREE_NO_WARNING.
4684         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
4685         somenow mismatch and olddecl is to be replaced.
4686
4687 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
4688
4689         PR middle-end/23199
4690         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
4691         whether registers live on the edge can be saved/restored.
4692
4693 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4694
4695         * config/sh/sh.c (fixup_mova): Skip notes.
4696
4697 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4698
4699         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
4700         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
4701         (s390_can_eliminate): Handle BASE_REGNUM elimination.
4702         (s390_initial_elimination_offset): Likewise.
4703         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
4704         register on TARGET_ZARCH targets.
4705         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
4706         (INITIAL_FRAME_POINTER_OFFSET): Remove.
4707         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
4708         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
4709
4710 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4711
4712         * config/s390/s390.md: Comment describing output modifiers updated.
4713         * config/s390/s390.c (print_operand): Likewise.
4714
4715 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4716
4717         * config/s390/s390.c (override_options): Added check for -mstack-size
4718         64k limitation.
4719         * doc/invoke.texi: Mention that limit in the documenation.
4720
4721 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
4722
4723         PR #19672
4724         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
4725
4726 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
4727
4728         Fix PR tree-optimization/24231
4729
4730         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
4731         (compute_avail): Ditto.
4732
4733 2005-10-18  Richard Henderson  <rth@redhat.com>
4734
4735         PR target/24428
4736         * config/i386/i386.c (legitimate_constant_p): Check
4737         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
4738         if LABEL_REF.
4739         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
4740         (legitimate_pic_address_disp_p): Reorg CONST checking to make
4741         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
4742         directly.
4743         (print_operand_address): Likewise.
4744         * config/i386/predicates.md (x86_64_immediate_operand): Test
4745         SYMBOL_REF_TLS_MODEL properly inside CONST.
4746         (x86_64_zext_immediate_operand): Likewise.
4747         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
4748         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
4749         * config/i386/i386-protos.h: Remove predicates.md entries.
4750
4751 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
4752
4753         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4754         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
4755
4756 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
4757             Ian Lance Taylor <ian@airs.com>
4758
4759         PR middle-end/23522
4760         * fold-const.c (fold_widened_comparison): Do not allow range based
4761         constant folding when right operand cannot be unwidened.
4762
4763 2005-10-17  Richard Henderson  <rth@redhat.com>
4764
4765         * builtins.c (expand_builtin_synchronize): Build a new-style asm
4766         with a memory clobber.
4767
4768 2005-10-17  James E Wilson  <wilson@specifix.com>
4769
4770         PR rtl-optimization/17356
4771         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
4772         checking for EDGE_EH.
4773
4774 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4775
4776         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
4777         the slot on an even boundary for any type with 16-byte alignment.
4778
4779 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
4780
4781         PR target/23424
4782         * md.texi (Modifiers) <%>: Clarify that % doesn't work
4783         after register allocation.
4784
4785 2005-10-17  DJ Delorie  <dj@redhat.com>
4786
4787         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
4788         as frame related.
4789
4790 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
4791
4792         PR c++/22551
4793         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
4794         overflow flags.
4795
4796 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4797
4798         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
4799         to 2 if it's already non-zero.
4800         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
4801         is set and warn about it if flag_schedule_insns is 1.
4802
4803 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
4804
4805         * config/crx/crx.md: Compare-and-branch instructions need to
4806         invalidate CC.
4807
4808 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
4809
4810         PR target/24315
4811         * config/i386/i386.md (*pushdi2_rex64 splitter)
4812         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
4813         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
4814         flow2 pass only when (optimize > 0 && flag_peephole2).
4815
4816 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
4817
4818         PR driver/22544
4819         * gcc.c (have_c): New static variable.
4820         (have_o): Likewise.
4821         (process_command): Remove declation of have_c.
4822         Set have_o to 1 when handling -o.
4823         (main): Add a fatel error if there are multiple
4824         files specified and -o and -c/-S is passed witout
4825         -combine or multiple languages.
4826
4827 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
4828
4829         Fix PR tree-optimization/22444
4830         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
4831         Assert that we don't hit something with subvars.
4832         (setup_pointers_and_addressables): Don't add things with subvars,
4833         because we'll already process the subvars for aliasing purposes.
4834
4835 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
4836
4837         PR target/23424
4838         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
4839         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
4840         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
4841         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
4842         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
4843         swapped, alternatives for the R constraint.
4844
4845         PR middle-end/24341
4846         * builtins.c (get_builtin_sync_mode): Make unlimited
4847         mode_for_size request.
4848
4849 2005-10-15  Richard Henderson  <rth@redhat.com>
4850
4851         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
4852         (gimplify_expr): ... here.
4853         (gimplify_compound_lval): Use it in initial scan loop.  Allow
4854         fb_lvalue in base expression.
4855
4856 2005-10-15  Richard Henderson  <rth@redhat.com>
4857
4858         PR 23714
4859         * builtins.c (expand_builtin_trap): Export.
4860         * expr.h (expand_builtin_trap): Declare.
4861         * expr.c (expand_assignment): Emit a trap for integral offsets
4862         from registers that weren't reduced to bitpos.
4863
4864         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
4865         (mark_array_ref_addressable): Remove.
4866         * tree-flow.h (mark_array_ref_addressable): Remove.
4867         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
4868
4869 2005-10-15  James E Wilson  <wilson@specifix.com>
4870
4871         PR target/24232
4872         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
4873         (add_dependence_list_and_free): Likewise.
4874         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
4875         call.
4876
4877 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
4878
4879         PR 23141
4880         PR 23142
4881         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
4882         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
4883         anti-range.
4884         (vrp_visit_phi_node): Only prevent infinite iterations when
4885         the previous result and the new result are both VR_RANGEs.
4886
4887 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
4888
4889         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
4890         function comment.
4891
4892 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4893
4894         PR c/23439
4895         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
4896         to initialize loc.
4897
4898 2005-10-14  Per Bothner  <per@bothner.com>
4899
4900         PR preprocessor/21250
4901         * c-ppoutput.c (print_line): Print internal line 0 as 1.
4902
4903 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
4904
4905         PR c++/22551
4906         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
4907         overflow flags.  Refactor some conditionals.
4908
4909 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
4910
4911         PR tree-opt/21304
4912         * tree-dfa.c (add_referenced_var): Only look at decls which
4913         have TREE_CONSTANT or TREE_READONLY set instead of if
4914         !TREE_PUBLIC or !TREE_CONSTANT.
4915
4916 2005-10-13  James E Wilson  <wilson@specifix.com>
4917
4918         * doc/invoke.texi: For -x, add f95-cpp-input.
4919         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
4920
4921 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
4922
4923         PR tree-optimization/24262
4924         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
4925         in loop all the time.
4926
4927 2005-10-12  Richard Henderson  <rth@redhat.com>
4928
4929         PR c/24255
4930         * tree.h (DECL_TRANSPARENT_UNION): Remove.
4931         * function.c (assign_parm_find_data_types): Don't support it.
4932         * print-tree.c (print_node): Likewise.
4933         * c-common.c (handle_transparent_union_attribute): Likewise.
4934         Use build_duplicate_type.
4935         * tree-inline.c (remap_type_1): Split out of remap_type;
4936         properly remap aggregate fields.
4937         (build_duplicate_type): New.
4938         * doc/extend.texi (Variable Attributes): Remove documentation
4939         for transparent_union.
4940
4941 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4942
4943         PR target/24284
4944         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
4945         (gen_stack_pointer_dec): Likewise.
4946
4947 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
4948
4949         PR middle-end/21275
4950         PR middle-end/21766
4951         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
4952         target hook.
4953         (struct cxx): Add adjust_class_at_definition target hook.
4954         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
4955         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
4956         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
4957         hook_void_tree. Add to TARGET_CXX.
4958         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
4959         dllimport_flag.
4960         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
4961         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
4962         instead of attribute. Check for dllexport override.  Warn if
4963         inconsistent dll linkage. Don't lose old dllimport if decl has
4964         had address referenced.   Tweak lookup of dllimport atribute.
4965         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
4966         for target specific rules.  Don't add dllimport attribute if
4967         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
4968         dllimport attribute.
4969         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
4970         * varasm.c (initializer_constant_valid_p): Replace
4971         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
4972
4973         PR target/21801
4974         PR target/23589
4975         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
4976         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
4977         (i[34567]86-*-mingw32*): Likewise.
4978
4979         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
4980         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
4981
4982         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
4983         C++-specific code. Change return value to bool.
4984         (i386_pe_dllimport_p): Likewise.
4985         (associated_type): Simplify and make language-independent
4986         (i386_pe_encode_section_info): Replace override of ambiguous
4987         dllimport symbol refs with a gcc_assert.
4988         (i386_pe_valid_dllimport_attribute_p): Define.
4989         * config/i386/winnt-cxx.c: New file. Define C++ versions of
4990         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4991         i386_pe_adjust_class_at_definition.
4992         * config/i386/winnt-stubs.c: New file. Define stub versions of
4993         lang-specific functions.
4994         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
4995         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
4996         i386_pe_adjust_class_at_definition.
4997         (i386_pe_valid_dllimport_attribute_p): Declare.
4998         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
4999         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5000         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5001
5002         PR target/19704
5003         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5004         dllimport attribute with test of DECL_DLLIMPORT_P.
5005
5006 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5007
5008         * combine.c (make_extraction): Correct offset computation.
5009
5010 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5011
5012         * config/cris/t-linux (LIMITS_H_TEST): Define.
5013
5014 2005-10-12  Richard Henderson  <rth@redhat.com>
5015
5016         PR rtl-opt/23324
5017         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5018
5019 2005-10-12  Richard Guenther  <rguenther@suse.de>
5020
5021         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5022
5023 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5024
5025         PR c++/19964
5026         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5027         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5028         type.
5029
5030 2005-10-12  Richard Guenther  <rguenther@suse.de>
5031
5032         PR c++/23799
5033         * varasm.c (output_constant): Correct typo from previous
5034         patch by DJ.
5035
5036 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5037
5038         PR rtl-optimization/13931
5039         * combine.c: Revert patch of 2003-05-14, and:
5040         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5041         completely killed in the appropriate insn.
5042         (distribute_notes): Don't skip multiple hard register test for
5043         elim_i1 and elim_i2.
5044
5045 2005-10-11  Richard Henderson  <rth@redhat.com>
5046
5047         PR c/24255
5048         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5049         to initialize a transparent union instead of a nop_expr.
5050
5051 2005-10-11  Richard Henderson  <rth@redhat.com>
5052
5053         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5054         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5055         (tree_ssa_dce_loop): Call scev_reset.
5056
5057         PR tree-opt/24300
5058         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5059         * tree-ssa-dce.c: Include cfgloop.h.
5060         (tree_ssa_dce_loop, pass_dce_loop): New.
5061         * tree-pass.h (pass_dce_loop): Declare it.
5062         * passes.c (init_optimization_passes): Use it.
5063
5064 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5065
5066         PR middle-end/24263
5067         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5068         Only apply the optimization for rounding builtins if the inner
5069         cast is also an extension.
5070
5071 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5072
5073         PR tree-opt/23946
5074         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5075         mark_new_vars_to_rename instead of update_stmt.
5076
5077 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5078
5079         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5080
5081 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5082
5083         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5084         for setting MMX register to 0 rather than mmx.
5085
5086 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5087
5088         PR target/12098
5089         * configure.ac: Move gas check from mips specific case to common case.
5090         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5091         * configure: Regenerate
5092         * doc/install.texi: Update.
5093
5094 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5095
5096         PR target/24284
5097         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5098
5099 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5100
5101         * gcc.c (do_spec_1): Accept numeric characters in file name
5102         suffixes.
5103
5104 2005-10-10  Nick Clifton  <nickc@redhat.com>
5105
5106         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5107         describing the deleted arm_gen_rotated_half_load function.
5108
5109 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5110
5111         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5112         __fpscr_values.
5113
5114 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5115
5116         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5117         gnu_ld assignments.
5118         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5119         (EXTRA_MULTILIB_PARTS): Define.
5120         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5121         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5122         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5123         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5124         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5125         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5126
5127 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5128
5129         PR tree-optimization/24226
5130         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5131         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5132         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5133         Export.
5134
5135 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5136
5137         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5138
5139 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5140
5141         PR target/24136
5142         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5143         Rewrite for no need for the early clobber.
5144
5145 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5146
5147         Merge from csl-arm-branch:
5148         2005-09-07  Paul Brook  <paul@codesourcery.com>
5149         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5150         space to string.
5151
5152         2005-04-30  Paul Brook  <paul@codesourcery.com>
5153         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5154         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5155
5156         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5157         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5158         (arm_override_options): Use TARGET_AAPCS_BASED.
5159         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5160         (PTRDIFF_TYPE): Use int for AAPCS.
5161         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5162         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5163         (DEFAULT_SHORT_ENUMS): Delete.
5164         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5165
5166         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5167         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5168         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5169         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5170
5171         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5172         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5173
5174         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5175         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5176
5177         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5178         * config.gcc (arm*-*-linux-gnueabi): Add it.
5179         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5180         redefining it.
5181         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5182         * config/arm/linux-eabi.h: New file.
5183         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5184         (LINUX_TARET_LINK_SPEC): Likewise.
5185         (LINK_SPEC): Use it.
5186         * config/arm/t-linux-eabi: New file.
5187
5188 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5189
5190         PR other/22202
5191         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5192         spaces.
5193         (PARAM_SMS_DFA_HISTORY): Likewise.
5194
5195 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5196
5197         PR middle-end/23150
5198         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5199         (load_register_parameters): Call it.
5200         (check_sibcall_argument_overlap_1): Likewise.
5201         (store_one_arg): Likewise.
5202
5203 2005-10-07  James E. Wilson  <wilson@specifix.com>
5204
5205         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5206         DImode not VECINT24 for operand 2.
5207
5208         PR target/23644
5209         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5210         -mtune-arch.
5211
5212         PR target/24193
5213         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5214         fr_spill): Use destination_operand for operand 0.
5215
5216 2005-10-07  DJ Delorie  <dj@redhat.com>
5217
5218         * varasm.c (output_constant): Limit error to expanding
5219         conversions.
5220
5221 2005-10-07  Richard Guenther  <rguenther@suse.de>
5222
5223         PR middle-end/24227
5224         * fold-const.c (fold_binary): Fix operand types during folding
5225         of X op (A, Y).  Evaluation order of the side-effects of
5226         X and A are frontend-defined, so ensure we honour that even for
5227         tcc_comparison class operands; eased by removing duplicate code.
5228
5229 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5230
5231         * stor-layout.c (layout_type): Do not allow alignment of array
5232         elements to be greater than their size.
5233
5234 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5235
5236         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5237         host_xmake_file.
5238         (hppa*-*-linux*): Ditto.
5239         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5240         * config/host-hpux.c: New.
5241         * config/x-hpux: New.
5242         * config/pa/x-hpux: Remove.
5243         * config/pa/x-linux: Remove.
5244         * config/pa/pa-host.c: Remove.
5245
5246 2005-10-07  Jeff Law  <law@redhat.com>
5247
5248         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5249         determine whether or not to try and thread outgoing edges.
5250
5251 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5252
5253         * config/rs6000/rs6000.md (eqsi_power): New.
5254         (neg_eq0si): Add TARGET_POWER to final condition.
5255         (neg_eqsi): Same.
5256
5257 2005-10-06  Richard Henderson  <rth@redhat.com>
5258
5259         * config/rs6000/rs6000.c: Revert last change.
5260
5261 2005-10-06  Richard Henderson  <rth@redhat.com>
5262
5263         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5264         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5265
5266 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5267
5268         PR middle-end/22216
5269         PR middle-end/23651
5270         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5271         out return_label and naked_return_label.
5272
5273 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5274
5275         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5276         change.
5277
5278 2005-10-06  Richard Henderson  <rth@redhat.com>
5279
5280         PR tree-opt/22237
5281         * tree-inline.c (declare_return_variable): Handle modify_dest not
5282         being a DECL.
5283
5284 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5285
5286         Fix PR tree-optimization/22488
5287         * tree-ssa-structalias.c (check_for_overlaps): New function.
5288         (create_variable_info_for): Use it.
5289
5290 2005-10-06  Richard Henderson  <rth@redhat.com>
5291
5292         PR debug/24070
5293         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5294         (dwarf2out_start_source_file): Print it.
5295
5296 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5297
5298         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5299
5300 2005-10-06  Richard Henderson  <rth@redhat.com>
5301
5302         PR 23706
5303         * mode-switching.c (optimize_mode_switching): Clear transp bit
5304         for block with incomming abnormal edges.
5305
5306         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5307         (fpscr_set_from_mem): Use them.
5308         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5309         (fpscr postinc splitters): Rewrite as peephole2+split.
5310
5311 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5312
5313         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5314         (eq<mode>_compare): Same.
5315
5316 2005-10-06  Richard Guenther  <rguenther@suse.de>
5317
5318         PR tree-optimization/24238
5319         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5320
5321 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5322
5323         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5324         here.  Use AC_PATH_PROG for environment variables instead of
5325         test -x.
5326         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5327         objdump also.
5328         * configure: Regenerated.
5329
5330 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5331
5332         PR target/23783
5333         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5334         then force it into a register.
5335         (call_value): Likewise.
5336
5337 2005-10-06  Richard Henderson  <rth@redhat.com>
5338
5339         PR 24049
5340         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
5341         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
5342         under pass_vectorize.
5343
5344 2005-10-05  Devang Patel  <dpatel@apple.com>
5345
5346         PR Debug/23205
5347         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
5348         handling constants. Check NAMESPACE_DECL context for constants.
5349
5350 2005-10-05  Eric Christopher  <echristo@apple.com>
5351
5352         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
5353
5354 2005-10-05  Richard Henderson  <rth@redhat.com>
5355
5356         PR 23714
5357         * tree-cfg.c (mark_array_ref_addressable_1): New.
5358         (mark_array_ref_addressable): New.
5359         * tree-flow.h (mark_array_ref_addressable): Declare.
5360         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
5361
5362 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
5363
5364         PR middle-end/20606
5365         PR middle-end/24069
5366         * reload.c (subst_reloads): When adding a REG_LABEL to a
5367         jump instruction, also update JUMP_LABEL.
5368
5369 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
5370
5371         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
5372         * bb-reorder.c (copy_bb_p): Use it.
5373         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
5374
5375 2005-10-05  Richard Henderson  <rth@redhat.com>
5376
5377         PR target/23602
5378         * toplev.c (process_options): Warn about unsupported combinations
5379         of unwind tables and omit-frame-pointer.
5380         * config/i386/i386.c (override_options): Similarly.  Enable
5381         accumulate-outgoing-args if not explicitly disabled.
5382
5383 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
5384
5385         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
5386         Handle big endian vs. small endian.
5387         (vec_initv2sf): Handle big endian vs. small endian.
5388         (*vec_extractv2sf_1): Ditto.
5389
5390 2005-10-05  Dale Johannesen  <dalej@apple.com>
5391
5392         * convert.c (convert_to_real):  Don't convert
5393         (float)floor(double d) to floorf((float)d).
5394
5395 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
5396
5397         * config/arm/arm.md (insv): Use gen_int_mode in more places.
5398
5399 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
5400
5401         PR tree-optimization/18587
5402         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
5403         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
5404         build_vuses): Change to VEC type.
5405         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
5406         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
5407         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
5408         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
5409         (get_name_decl): New.  Return DECL_UID of base variable.
5410         (operand_build_cmp): New.  qsort comparison routine.
5411         (operand_build_sort_virtual): New.  Sort virtual build vector.
5412         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
5413         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
5414         (FINALIZE_BASE): Use get_name_decl.
5415         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
5416         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
5417         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
5418         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
5419         direct VEC_* manipulations.
5420         (build_ssa_operands): Call operand_build_sort_virtual.
5421         (copy_virtual_operand, create_ssa_artficial_load_stmt,
5422         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
5423         with direct VEC_* manipulations.
5424         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
5425         with direct VEC manipulations.
5426
5427 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
5428
5429         PR tree-optimization/21419
5430         PR tree-optimization/24146
5431         PR tree-optimization/24151
5432
5433         * c-typeck.c (readonly_error): Handle USE being lv_asm.
5434         (build_asm_expr): Call it if outputs are read-only.
5435         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
5436
5437 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
5438             Paolo Bonzini  <bonzini@gnu.org>
5439
5440         PR target/23809
5441
5442         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
5443         enable the instructions and not just the built-ins.
5444         * doc/invoke.texi (x86 Options): Likewise.
5445
5446 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
5447
5448         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
5449
5450         * doc/invoke.texi (Option Summary): Correct spelling
5451         of -mmacosx-version-min.
5452
5453 2005-10-04  Devang Patel  <dpatel@apple.com>
5454
5455         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
5456         real types.
5457
5458 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
5459
5460         * tree-vect-transform.c (vect_create_epilog_for_reduction):
5461         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
5462
5463 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
5464
5465         * config/s390/s390.md ("TDSI","DP"): New mode macros.
5466         ("TE","tg"): New mode attributes.
5467         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
5468         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
5469         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
5470         dword_mode and one for GPRmode.
5471
5472 2005-10-04  Ian Lance Taylor  <ian@airs.com>
5473
5474         PR preprocessor/13726
5475         * c-ppoutput.c (cb_include): Add comments parameter, and print out
5476         any comments passed in.
5477
5478 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5479
5480         * tree.c (annotate_with_file_line): Fix typo.
5481
5482 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5483
5484         PR ada/19382
5485         * builtins.c (fold_builtin_memcmp): When constructing the pointer
5486         type used to access data in the inlined length == 1 case, use
5487         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
5488         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
5489
5490 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
5491
5492         * config/i386/i386.h (TARGET_FISTTP): Enable also for
5493         TARGET_SSE3 and only for TARGET_80387.
5494         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
5495         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
5496         Do not depend on TARGET_80387.
5497
5498 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5499
5500         * tree.c (last_annotated_node): Change type to location_t*.
5501         (annotate_with_file_line): Reflect the change of
5502         last_annotated_node type.
5503
5504 2005-10-04  Richard Guenther  <rguenther@suse.de>
5505
5506         PR c/23576
5507         * c-decl.c (grokdeclarator): Don't write to fields
5508         of error_mark_node.
5509
5510 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
5511
5512         PR middle-end/23125
5513         * c-decl.c (finish_decl): Use set_user_assembler_name even for
5514         register variables.
5515         * varasm.c (make_decl_rtl): If a register variable does not
5516         have a set user assmbler name, error out.
5517         Decode the asmspec is now name+1 bypassing '*'.
5518
5519 2005-10-04  Steven Bosscher  <stevenb@suse.de>
5520
5521         PR tree-optimization/23049
5522         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
5523         of a COND_EXPR is folded before calling fold on the whole rhs of a
5524         conditional assignment.
5525         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
5526         document that a COND_EXPR may appear there.
5527
5528 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
5529
5530         PR 23445
5531         * tree-vrp.c (extract_range_from_assert): If the new numeric
5532         range created out of the assertion contradicts the existing
5533         numeric range of the ASSERT_EXPR variable, make the new range
5534         varying.
5535
5536 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5537
5538         * config/sh/sh.c (sh_register_move_cost): Add case for moving
5539         from T_REGS to FP register class.
5540
5541 2005-10-03  Richard Henderson  <rth@redhat.com>
5542
5543         PR 24135
5544         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
5545         before creating a new one.
5546
5547 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
5548
5549         * config/rs6000/t-aix43 (LDFLAGS): New.
5550         * config/rs6000/t-aix52 (LDFLAGS): New.
5551
5552 2005-10-03  Ian Lance Taylor  <ian@airs.com>
5553
5554         * gimplify.c (find_single_pointer_decl_1): New static function.
5555         (find_single_pointer_decl): New static function.
5556         (internal_get_tmp_var): For a formal variable, set restrict base
5557         information if appropriate.
5558         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
5559         return it.
5560         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
5561         (DECL_GET_RESTRICT_BASE): Define.
5562         (SET_DECL_RESTRICT_BASE): Define.
5563         (decl_restrict_base_lookup): Declare.
5564         (decl_restrict_base_insert): Declare.
5565         (struct tree_decl_with_vis): Add based_on_restrict_p field.
5566         * tree.c (restrict_base_for_decl): New static variable.
5567         (init_ttree): Initialize restrict_base_for_decl.
5568         (copy_node_stat): Copy restrict base information.
5569         (decl_restrict_base_lookup): New function.
5570         (decl_restrict_base_insert): New function.
5571         (print_restrict_base_statistics): New static function.
5572         (dump_tree_statistics): Call print_restrict_base_statistics.
5573
5574 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
5575
5576         PR 24142
5577         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
5578         case of anti-ranges.
5579
5580 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
5581
5582         PR c/18851
5583         * c-typeck.c (tagged_tu_seen): Rename to ...
5584         (tagged_tu_seen_cache): this and add val field.
5585         (comptypes): Move functional to comptypes_internal
5586         and free tagged_tu_seen.
5587         (comptypes_internal): New function and call comptypes_internal
5588         instead of comptypes. Speed up by sibcalling
5589         tagged_types_tu_compatible_p.
5590         (alloc_tagged_tu_seen): New function
5591         (free_all_tagged_tu_seen_up_to): New function.
5592         (tagged_types_tu_compatible_p): Return the val of the seen two
5593         types.
5594         Add that the two types are the same to tagged_tu_seen_base
5595         if they are and call comptypes_internal instead of comptypes.
5596         <case UNION_TYPE>: Speed up common type where the fields are
5597         in the same order.
5598         (function_types_compatible_p): Call comptypes_internal instead of
5599         comptypes.
5600         (type_lists_compatible_p): Likewise.
5601         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
5602
5603 2005-10-02  Matthias Klose  <doko@debian.org>
5604
5605         * doc/invoke.texi: Fix typo and speling error.
5606
5607 2005-10-01  Richard Henderson  <rth@redhat.com>
5608
5609         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
5610
5611 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
5612
5613         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
5614         using --start-group and --end-group.
5615
5616 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5617
5618         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
5619         FIXME note regarding quirky semantics.
5620
5621 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
5622
5623         PR 24141
5624         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
5625         non-null range as a last resort.
5626
5627 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
5628             Diego Novillo  <dnovillo@redhat.com>
5629
5630         PR 23604
5631         * tree-vrp.c (extract_range_from_assert): For !=
5632         assertions, only build an anti-range if LIMIT is a
5633         single-valued range.
5634
5635 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
5636
5637         * arm.md (movqi): On thumb when optimizing, handle loading from
5638         memory by describing this as taking a subreg of a zero-extended load
5639         into an SImode register.
5640         (movhi): Likewise.
5641
5642 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
5643
5644         * reload1.c (merge_assigned_reloads): Do not change any
5645         RELOAD_FOR_OUTPUT_ADDRESS reloads.
5646
5647 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
5648
5649         * Makefile.in (LIPO_FOR_TARGET): Define.
5650         (STRIP_FOR_TARGET): Define.
5651
5652         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
5653         before creating new ones.  Do symlinks before creating the actual
5654         targets.
5655
5656         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
5657         to work out which multilibs are actually being built.
5658
5659 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
5660
5661         * tree-vect-transform.c, config/ms1/ms1.md,
5662         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
5663         Follow spelling conventions.
5664         * doc/invoke.texi, doc/md.texi: Fix typos.
5665
5666 2005-09-30  Andrew Macleod  <amacleod@redat.com>
5667
5668         PR tree-optimization/21430
5669         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
5670         use operands, and set stmt pointer if need be.
5671         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
5672         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
5673         present.
5674
5675 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5676
5677         PR middle-end/24053
5678         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
5679
5680 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
5681
5682         * optabs.c (expand_binop): Initialize first_pass_p.
5683
5684 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
5685
5686         PR middle-end/24109
5687         * c-decl.c (c_write_global_declarations_1): If any
5688         wrapup_global_declaration_2 call returned true, restart the loop.
5689
5690 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
5691
5692         Fix PR tree-optimization/24117
5693         * tree-ssa-structalias.c (find_func_aliases): Strip nops
5694         before considering whether to use anyoffset.
5695
5696 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5697
5698         Revert this patch:
5699
5700         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5701
5702         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5703         to order operands.
5704         (swap_commutative_operands_with_target): New.
5705
5706 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
5707
5708         PR c/21419
5709         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
5710         read-only.
5711
5712 2005-09-29  Steven Bosscher  <stevenb@suse.de>
5713
5714         PR tree-optimization/23911
5715         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
5716         and IMAGPART_EXPR too.
5717
5718 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
5719
5720         PR 17886
5721         * expmed.c (expand_shift): Move logic to reverse rotation
5722         direction when  rotating by constants ...
5723         * optabs.c (expand_binop): ... here.
5724         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
5725         (ix86_rotrdi3): New pattern.
5726         (rotldi3): Handle 32-bit mode.
5727         (ix86_rotldi3): New pattern.
5728
5729 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
5730
5731         PR target/24102
5732         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
5733         check for numbers that need no bit twiddle.
5734
5735 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
5736
5737         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
5738         multilib to be built.
5739
5740         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
5741         (stage1-start): Delete old libgcc and libunwind before moving
5742         anything into the stage directory.
5743         (stage2-start): Likewise.
5744         (stage3-start): Likewise.
5745         (stage4-start): Likewise.
5746         (stageprofile-start): Likewise.
5747         (stagefeedback-start): Likewise.
5748         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
5749         header in tm_file and CPU-specific t-darwin in tmake_file.
5750         (i[34567]86-*-darwin*): Don't change tm_file.
5751         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
5752         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
5753         shared library stub for target OS version.
5754         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
5755         (SHLIB_LINK): Don't make SHLIB_SOLINK.
5756         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
5757         (libgcc_s.%.dylib): New.
5758         (LIBGCC): Define.
5759         (install-darwin-libgcc-stubs): New.
5760         (INSTALL_LIBGCC): New append.
5761         * config/i386/darwin-libgcc.10.4.ver: New.
5762         * config/i386/darwin-libgcc.10.5.ver: New.
5763         * config/i386/t-darwin: New.
5764         * config/rs6000/darwin-libgcc.10.4.ver: New.
5765         * config/rs6000/darwin-libgcc.10.5.ver: New.
5766         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
5767         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
5768
5769 2005-09-28  Paul Brook  <paul@codesourcery.com>
5770
5771         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
5772         denormals.
5773
5774 2005-09-28  Richard Guenther  <rguenther@suse.de>
5775
5776         PR tree-optimization/23853
5777         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
5778         host_integerp to verify misalignment value.
5779
5780 2005-09-28  Richard Henderson  <rth@redhat.com>
5781
5782         * builtins.c (get_builtin_sync_mode): New.
5783         (expand_builtin_sync_operation): Pass in mode argument.
5784         (expand_builtin_compare_and_swap): Likewise.
5785         (expand_builtin_lock_test_and_set): Likewise.
5786         (expand_builtin_lock_release): Likewise.
5787         (expand_builtin): Update to match.
5788
5789 2005-09-28  Nick Clifton  <nickc@redhat.com>
5790
5791         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
5792         formatting.  Add check to PLUS case to ensure that the offset is
5793         within an acceptable range.
5794
5795         * config/v850/v850.md (casesi): Disable the generation of the
5796         switch pattern as it is not being handled properly at the moment.
5797
5798         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
5799         for when the high words are identical.
5800
5801 2005-09-27  Richard Henderson  <rth@redhat.com>
5802
5803         * pretty-print.c (pp_base_format): Fix typo for %>.
5804
5805 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
5806             Devang Patel  <dpatel@apple.com>
5807
5808         PR tree-optimization/23625
5809         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
5810         LABEL_EXPR, assertion check.
5811
5812 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
5813
5814         * optabs.c (no_conflict_move_test): Check if a result of a
5815         to-be-moved insn would be clobbered by an originally
5816         preceding insn.
5817
5818 2005-09-27  Jeff Law  <law@redhat.com>
5819
5820         * passes.c (init_optimization_passes): Replace copy propagation
5821         passes immediately after DOM with phi-only copy propagation
5822         pases.  Add phi-only copy propagation pass after first DOM pass.
5823         * tree-pass.h (pass_phi_only_copy_prop): Declare.
5824         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
5825         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
5826         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
5827         to init_copy_prop.  Callers updated.
5828         (do_phi_only_copy_prop): New function.
5829         (pass_phi_only_copy_prop): New pass descriptor.
5830
5831 2005-09-27  Nick Clifton  <nickc@redhat.com>
5832
5833         * libgcc2.c (__popcount_tab): Remove redundant prototype.
5834
5835 2005-09-26  Jason Merrill  <jason@redhat.com>
5836
5837         PR c++/13764
5838         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
5839
5840         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
5841
5842 2005-09-26  James E Wilson  <wilson@specifix.com>
5843
5844         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
5845         copyright.  Add gcc copyright plus libgcc exception.
5846         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
5847         copyright.
5848         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
5849
5850 2005-09-26  Jeff Law  <law@redhat.com>
5851
5852         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
5853         about when to iterate.
5854
5855 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
5856
5857         PR target/23847
5858         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5859         for __complex__ double in -mcpu=G5 mode.
5860
5861 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
5862
5863         PR tree-optimization/23942
5864         * Makefile.in (SCEV_H): Depends on PARAMS_H.
5865         * tree-scalar-evolution.c: Include params.h.
5866         (t_bool): New enum.
5867         (follow_ssa_edge, follow_ssa_edge_in_rhs,
5868         follow_ssa_edge_in_condition_phi_branch,
5869         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
5870         Change return type to t_bool.  Use a parameter to limit the size of
5871         trees that are walked before stopping
5872         (analyze_evolution_in_loop): Initialize the limit to 0.
5873         (follow_ssa_edge): Give up by returning t_dont_know if the limit
5874         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5875
5876 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5877
5878         PR middle-end/23831
5879         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
5880         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
5881
5882 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
5883
5884         * combine.c (make_extraction): Check for valid use of subreg.
5885
5886 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
5887
5888         PR target/24055
5889         * config/i386/i386.md ("*fistdi2_1"): New pattern.
5890         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
5891         ("fist<mode>2_with_temp"): Use only register operands.
5892
5893 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
5894
5895         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
5896         CALL_INSN_FUNCTION_USAGE.
5897
5898 2005-09-26  Richard Guenther  <rguenther@suse.de>
5899
5900         PR middle-end/15855
5901         * gcse.c: Include hashtab.h, define ldst entry hashtable.
5902         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
5903         (ldst_entry): Use the hashtable instead of list-walking.
5904         (find_rtx_in_ldst): Likewise.
5905         (free_ldst_entry): Free the hashtable.
5906         (compute_ld_motion_mems): Create the hashtable.
5907         (trim_ld_motion_mems): Remove entry from hashtable if
5908         removing it from list.
5909         (compute_store_table): Likewise^2.
5910         (store_motion): Free hashtable in case we did not see
5911         any stores.
5912
5913 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
5914
5915         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
5916         and arg1 if we are passing them to fold_build2.
5917
5918 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
5919
5920         PR 23828
5921         * config/i386/i386.c (ix86_function_regparm): Fix the test for
5922         a nested function.
5923
5924 2005-09-25  Richard Henderson  <rth@redhat.com>
5925
5926         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
5927         SYMBOL_REF_TLS_MODEL to be correct.
5928
5929 2005-09-24  Richard Henderson  <rth@redhat.com>
5930
5931         * ipa-type-escape.c (discover_unique_type): Remove dead code at
5932         end of function.  Reindent.
5933
5934 2005-09-24  Ian Lance Taylor  <ian@airs.com>
5935
5936         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
5937         NEGATE_EXPR/BIT_NOT_EXPR case.
5938
5939 2005-09-24  Richard Henderson  <rth@redhat.com>
5940
5941         * c-common.c (handle_mode_attribute): When not modifying in place,
5942         create subtypes for enumerations.
5943         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
5944         * gimplify.c (create_tmp_from_val): Likewise.
5945
5946 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
5947
5948         * config/i386/i386.md (*tls_global_dynamic_64,
5949         *tls_local_dynamic_base_64): Add missing mode to call.
5950         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
5951
5952 2005-09-24  Jan Hubicka  <jh@suse.cz>
5953
5954         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
5955         (cgraph_clone_node): Likewise.
5956         * cgraph.h (cgraph_clone_edge): Update prototype.
5957         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
5958         duplicated prototypes; add updating argument.
5959         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
5960         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
5961         updating profile.
5962         (cgraph_mark_inline_edge): Likewise.
5963         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
5964         (cgraph_flatten_node): Likewise.
5965         (cgraph_decide_recursive_inlining): Likewise.
5966         (cgraph_decide_inlining_of_small_function): Likewise.
5967         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5968
5969 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5970             Pete Steinmetz <steinmtz@us.ibm.com>
5971
5972         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
5973         (rldic.): Set type to "compare".
5974         (rldicr.): Same.
5975         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
5976         mfjmpr for MFCTR/MFLR.
5977         (movdf_hardfloat64): Same.
5978         (movdf_softfloat64): Same.  Correct order of store and move types.
5979         (movti_string): Set type to store_ux/load_ux.
5980         (load_multiple): Set type to load_ux.
5981         (store_multiple): Set type to store_ux.
5982         (movmemsi): Set type to store_ux.
5983         (output_cbranch direct_return): Set type to jmpreg.
5984         (stmw): Set type to store_ux.
5985         (lmw): Set type to load_ux.
5986         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
5987         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
5988         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
5989         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
5990         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
5991         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
5992         (rios1-fpstore): Increase latency to 3.
5993         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
5994         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
5995
5996 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
5997             Andrew Pinski  <pinskia@physics.uc.edu>
5998
5999         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6000         operand2 constraint to "b".
6001         (sync_<fetchop_name>di_internal): Same.
6002         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6003         to "b".
6004         (sync_old_<fetchop_name>di_internal): Same.
6005         (sync_new_<fetchop_name>si_internal): Same.
6006         (sync_new_<fetchop_name>di_internal): Same.
6007
6008 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6009
6010         PR middle-end/23991
6011         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6012         case, define as macros.
6013
6014         PR rtl-optimization/23837
6015         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6016         clobber / clobber match between dest and p->first.
6017
6018         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6019         (no_conflict_move_test): Update comments.
6020
6021 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6022
6023         * doc/install.texi: Update URL for Jacks.
6024         * doc/sourcebuild.texi: Likewise.
6025
6026 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6027
6028         PR target/24007
6029         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6030         registers when choosing register preferences.
6031         (movdf_hardfloat64): Same.
6032
6033 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6034
6035         * expmed.c (expand_shift): Don't use the target of the rotate as
6036         target for the first expanded shift insn.
6037         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6038
6039 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6040
6041         PR tree-optimization/22438
6042         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6043         preserved iv rhs rewriting specially.
6044
6045 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6046
6047         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6048         estimate_only  is true.
6049         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6050         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6051         tree-ssa-structalias.c
6052         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6053         ref_contains_indirect_ref.
6054         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6055
6056 2005-09-21  DJ Delorie  <dj@redhat.com>
6057
6058         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6059         MASK_PTR_A0D0.
6060         (mn10300_return_in_memory): Support variable size types also.
6061         (mn10300_pass_by_reference): Likewise.
6062         (mn10300_function_value): New.
6063         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6064         (FUNCTION_OUTGOING_VALUE): Likewise.
6065         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6066         * doc/invoke.texi: Document it.
6067
6068 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6069
6070         PR target/22585
6071         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6072         force integer op1 into register for XFmode compares.
6073
6074 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6075
6076         PR middle-end/23971
6077         * expmed.c (alg_code): Add alg_impossible.
6078         (alg_hash_entry): Add cost.
6079         (synth_mult): Record alg_impossible in the hash table if
6080         multiplication by a given integer is impossble within the
6081         limit.  Speed up using alg_impossible.
6082
6083 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6084
6085         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6086         argument.  Allow and set any offset if needs_anyoffset is passed
6087         in.
6088         (get_constraint_for): Add argument here too.
6089         Pass it down.
6090         (do_structure_copy): Pass NULL to get_constraint_for.
6091         (handle_ptr_arith): Ditto.
6092         (find_func_aliases): Ditto.
6093
6094 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6095
6096         PR rtl-optimization/23898
6097         * output.h (get_attr_min_length): Declare.
6098         * final.c (get_attr_length_1): New function, broken out of:
6099         (get_attr_length).
6100         (get_attr_min_length): New function.
6101         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6102         (duplicate_computed_gotos): Likewise.
6103         * genattr.c (insn_min_length): Generate declaration.
6104         * genattrtab.c (min_fn, min_attr_value): New functions.
6105         (make_length_attrs): Generate insn_min_length.
6106
6107 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6108
6109         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6110
6111 2005-09-20  Richard Henderson  <rth@redhat.com>
6112
6113         PR tree-optimization/24059
6114         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6115         EXPAND_STACK_PARM.
6116
6117 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6118
6119         * c.opt (fextended-identifiers): New.
6120         * c-opts.c (c_common_handle_option): Handle
6121         -fextended-identifiers.
6122         * doc/cpp.texi: Update documentation of extended identifiers.
6123         * doc/cppopts.texi (-fextended-identifiers): Document.
6124
6125 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6126
6127         PR tree-optimization/23929
6128         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6129         if expr is NULL.
6130
6131         PR tree-optimization/23818
6132         * tree-stdarg.c (execute_optimize_stdarg): Call
6133         calculate_dominance_info.
6134
6135 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6136
6137         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6138         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6139         (compute_overlap_steps_for_affine_1_2): Use
6140         get_number_of_iters_for_loop.
6141         (analyze_subscript_affine_affine): Check whether difference is
6142         zero first.
6143         Use get_number_of_iters_for_loop.
6144         Check whether overlap occurs outside of bounds.
6145         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6146
6147 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6148
6149         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6150         base register if possible.
6151
6152 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6153
6154         PR tree-optimization/18463
6155         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6156         converting it directly is not possible.
6157         (chrec_convert_aggressive): New function.
6158         * tree-chrec.h (chrec_convert_aggressive): Declare.
6159         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6160         Fold chrec conversions aggressively if asked to.
6161         (instantiate_parameters): Modified because of changes in
6162         instantiate_parameters_1.
6163
6164 2005-09-19  Richard Henderson  <rth@redhat.com>
6165
6166         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6167         (reduc_splus_v2df): New.
6168
6169 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6170
6171         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6172         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6173
6174 2005-09-19  Richard Henderson  <rth@redhat.com>
6175
6176         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6177         vcondu<SSEMODE12>.
6178
6179 2005-09-19  Richard Henderson  <rth@redhat.com>
6180
6181         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6182         (ia64_expand_dot_prod_v8qi): New.
6183         * config/ia64/ia64-protos.h: Update.
6184         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6185         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6186         sdot_prodv8qi, sdot_prodv4hi): New.
6187         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6188
6189 2005-09-19  Richard Henderson  <rth@redhat.com>
6190
6191         PR 23941
6192         * real.c (exact_real_truncate): Return false if the format cannot
6193         represent the number as a normal.
6194
6195         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6196         for a memory source.
6197
6198 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6199
6200         * tree-ssa-operands.c (swap_tree_operands): Export.
6201         * tree.h (swap_tree_operands): Declare.
6202         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6203         Call swap_tree_operands.
6204
6205 2005-09-19  Richard Henderson  <rth@redhat.com>
6206
6207         * tree-flow.h (merge_alias_info): Declare.
6208         * tree-ssa-copy.c (merge_alias_info): Export.
6209         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6210         (vect_create_data_ref_ptr): Use create_iv directly.
6211         (vectorizable_load): Use correct types for integer constants.
6212         (vect_generate_tmps_on_preheader): Likewise.
6213         (vect_gen_niters_for_prolog_loop): Likewise.
6214
6215 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6216
6217         PR rtl-optimization/23943
6218         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6219
6220 2005-09-18  Jan Hubicka  <jh@suse.cz>
6221
6222         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6223
6224 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6225
6226         * varasm.c (output_constant): Do not abort on conversions to union
6227         types between different sizes.
6228
6229 2005-09-18  Richard Guenther  <rguenther@suse.de>
6230
6231         PR middle-end/23944
6232         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6233         fallback.
6234
6235 2005-09-18  Paul Brook  <paul@codesourcery.com>
6236
6237         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6238
6239 2005-09-17  Richard Henderson  <rth@redhat.com>
6240
6241         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6242         * tree-ssa-loop.c (pass_vect_dce): Remove.
6243         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6244         of pass_vectorize.
6245
6246 2005-09-17  Richard Henderson  <rth@redhat.com>
6247
6248         * tree-pass.h (pass_vect_dce): Declare.
6249         * passes.c (init_optimization_passes): Add it.
6250         * tree-flow.h (tree_ssa_dce): Declare.
6251         * tree-ssa-dce.c (tree_ssa_dce): Export.
6252         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6253         (gate_tree_vectorize): ... here.
6254         (pass_vect_dce): New.
6255
6256 2005-09-17  Jan Hubicka  <jh@suse.cz>
6257
6258         * except.c (struct eh_status): Turn region_array into vec.
6259         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6260         convert_from_eh_region_ranges, find_exception_handler_labels,
6261         current_function_has_exception_handlers, assign_filter_values,
6262         build_post_landing_pads, dw2_build_landing_pads,
6263         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6264         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6265         foreach_reachable_handler, can_throw_internal_1,
6266         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6267         region_array.
6268         (duplicate_eh_region_1): Update region_array.
6269         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6270
6271 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6272
6273         PR middle-end/22067
6274         * expmed.c (expand_mult): Substitute simple register for op0 when
6275         computing max_cost.
6276
6277 2005-09-17  Richard Henderson  <rth@redhat.com>
6278
6279         * expr.c (emit_move_via_integer): Add force argument, pass it on
6280         to emit_move_change_mode.  Update callers.
6281         (emit_move_complex): Pass true to new force argument.
6282         * function.c (expand_function_end): Move expand_eh_return call
6283         earlier.  Merge sub-word complex values into a pseudo before
6284         copying to the return hard register.
6285
6286 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6287
6288         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6289         between different sizes.
6290
6291 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6292
6293         PR 23903
6294
6295         * passes.c (init_optimization_passes): Register dump files for
6296         IPA passes first.
6297
6298 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6299
6300         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6301         * config/s390/s390.c (s390_overlap_p): New function.
6302         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6303         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6304         condition.
6305
6306 2005-09-16  Richard Guenther  <rguenther@suse.de>
6307
6308         * ipa-pure-const.c (static_execute): Free auxiliar information.
6309         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6310         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6311
6312 2005-09-15  DJ Delorie  <dj@redhat.com>
6313
6314         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6315
6316 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6317
6318         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6319         to order operands.
6320         (swap_commutative_operands_with_target): New.
6321
6322 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6323
6324         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6325         parameter.
6326         Update callers.
6327         (estimate_iters_using_array): New function.
6328         * tree-data-ref.h (estimate_iters_using_array): Prototype
6329         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6330         Use estimate_iters_using_array instead of analyze_array.
6331
6332 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6333
6334         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6335         as addressable.
6336
6337 2005-09-15  Michael Matz  <matz@suse.de>
6338
6339         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
6340
6341 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
6342
6343         PR tree-optimization/23835
6344         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
6345         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
6346
6347 2005-09-14  Richard Henderson  <rth@redhat.com>
6348
6349         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
6350         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
6351
6352 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
6353
6354         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
6355         in the ARRAY_TYPE case.
6356
6357 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
6358
6359         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
6360
6361 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
6362
6363         PR middle-end/22480
6364         * tree-vect-transform.c (vectorizable_operation): Return false for
6365         scalar shift operations and for vector shift operations with
6366         non-invariant shift arguments.  Use scalar tree operand op1 as
6367         a shift operand when vector shift insn pattern uses scalar shift
6368         operand.
6369         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
6370
6371 2005-09-14  Olivier Hainque  <hainque@adacore.com>
6372
6373         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
6374         value if it has side-effects.
6375
6376 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
6377
6378         PR target/22068
6379         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
6380
6381 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
6382
6383         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
6384         passed as NAME as if it were label at start of function code.
6385
6386 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
6387
6388         * config/sh/sh.md (*movv4sf_i): Add general register cases to
6389         the constraints.
6390
6391 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
6392
6393         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
6394         as early clobber.  Rewrite so the PIC register is not implicitly used.
6395
6396 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6397
6398         * tree.c (annotate_with_file_line): Compare line numbers before
6399         file names.
6400
6401 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
6402
6403         PR target/23816
6404         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
6405         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
6406
6407 2005-09-13  Ian Lance Taylor  <ian@airs.com>
6408
6409         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
6410         than a HOST_WIDEST_INT to gen_doloop_begin.
6411
6412 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
6413
6414         * tree-dfa.c (dump_variable): Guard against NULL annotations.
6415
6416 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
6417
6418         PR tree-optimize/23817
6419         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
6420
6421 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
6422
6423         PR target/23774
6424         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
6425         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
6426         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
6427         (restore_stack_nonlocal): Likewise.
6428         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
6429
6430 2005-09-12  Ian Lance Taylor  <ian@airs.com>
6431
6432         PR g++/7874
6433         * c.opt (ffriend-injection): New C++ option.
6434         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
6435         (C++ Dialect Options): Document -ffriend-injection.
6436
6437 2005-09-12  Josh Conner  <jconner@apple.com>
6438
6439         PR middle-end/23237
6440         * ipa-reference.c (static_execute): Don't mark variables in
6441         named sections TREE_READONLY.
6442
6443 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6444
6445         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
6446         stack_tie.
6447
6448 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
6449
6450         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
6451         V_MUST_DEF instead of just the first_use_p.
6452         Don't mark the virtual variables for renaming on the statement which
6453         is being removed.
6454         (pass_dse): Remove TODO_update_ssa.
6455
6456 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
6457
6458         PR middle-end/23290
6459         * stor-layout.c (compute_record_mode): For records with a single
6460         field, actually check the field's mode size against the type size.
6461
6462         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
6463         registers for TARGET_SHMEDIA.
6464         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
6465         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
6466         of GENERAL_REGS and FP_REGS.
6467
6468 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
6469
6470         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
6471
6472 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
6473
6474         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
6475         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
6476         are omitted.  Exclude stack_tie insn too.
6477
6478 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
6479
6480         PR rtl-optimization/23098
6481         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
6482         0.0f is easy.
6483         * config/rs6000/rs6000.md (movdf splitter): Use
6484         const_double_operand predicate for TARGET_POWERPC64.
6485         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
6486         SYMBOL_REF method to ABI_V4.
6487
6488         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
6489         replace_equiv_address.
6490         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
6491         rs6000_sr_alias_set and MEM_NOTRAP.
6492         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
6493
6494 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
6495
6496         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
6497         handle CALL_EXPR again.
6498
6499 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
6500
6501         * arm/predicates.md (alignable_memory_operand): Delete.
6502
6503 2005-09-10  Richard Henderson  <rth@redhat.com>
6504
6505         PR debug/23806
6506         * dbxout.c (dbxout_expand_expr): New.
6507         (dbxout_symbol): Use it.
6508
6509 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
6510
6511         * arm.c (arm_gen_rotated_half_load): Delete.
6512         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
6513         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
6514         (thumb_set_return_address): Likewise.
6515         (thumb_load_double_from_address): Use adjust_address.
6516         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
6517         (extendhsisi2_mem, movhi_bytes): Use change_address.
6518         (movhi): Use widen_memory_access.
6519         (reload_out_df): Use replace_equiv_address.
6520         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
6521
6522 2005-09-09  Richard Henderson  <rth@redhat.com>
6523
6524         PR debug/20998
6525         * dbxout.c: Include expr.h.
6526         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
6527         (dbxout_symbol): Handle DECL_VALUE_EXPR.
6528         * Makefile.in (dbxout.o): Add EXPR_H.
6529
6530 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
6531
6532         PR tree-optimization/23509
6533         * tree-cfg.c (replace_uses_by): Use replace_exp.
6534         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
6535         pointers have name_mem_tag or type_mem_tag set.
6536
6537 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6538
6539         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
6540         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
6541         of wrongly accessing operands.
6542
6543 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
6544
6545         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
6546         * tree-chrec.c: Include tree-scalar-evolution.h.
6547         (chrec_convert): Instantiate the base and step before calling
6548         scev_probably_wraps_p that would fail on parametric evolutions.
6549         Collect all the fails into a single section failed_to_convert,
6550         print a diagnostic, and return chrec_dont_know instead of calling
6551         fold_convert.
6552         * tree-scalar-evolution.c (loop_closed_phi_def): New.
6553         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
6554         phi nodes.
6555         (scev_const_prop): Don't replace the definition of a loop closed ssa
6556         phi node by itself, or by another loop closed ssa phi node.
6557         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
6558         that base and step are defined.
6559
6560 2005-09-09  Richard Guenther  <rguenther@suse.de>
6561
6562         PR c++/23624
6563         * fold-const.c (fold_ternary): Check truth_value_p before
6564         calling invert_truthvalue.
6565
6566 2005-09-09  Nick Clifton  <nickc@redhat.com>
6567
6568         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
6569         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
6570         dimension of these arrays.
6571         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
6572         these arrays.
6573         * longlong.h: Only provide a prototype for the __clz_tab[] array
6574         if this header has not been included from libgcc2.h.
6575         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
6576         defining own types.
6577         Provide prototypes for exported functions.
6578         Use the __clz_tab[] and __popcount_tab[] arrays provided by
6579         libgcc2.c.
6580
6581 2005-09-08  Josh Conner  <jconner@apple.com>
6582
6583         PR c++/21135
6584         PR c++/23180
6585         * expr.c (expand_expr_addr_expr_1): Don't invoke
6586         expand_simple_binop for EXPAND_INITIALIZER.
6587
6588 2005-09-08  Richard Henderson  <rth@redhat.com>
6589
6590         PR debug/23190
6591         * toplev.c (wrapup_global_declaration_1): Split out ...
6592         (wrapup_global_declaration_2): ... from ...
6593         (wrapup_global_declarations): ... here.  Return bool.
6594         (check_global_declaration_1): Split out ...
6595         (check_global_declarations): from here.
6596         (emit_debug_global_declarations): New.
6597         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
6598         check_global_declaration_1, emit_debug_global_declarations): Declare.
6599         * c-decl.c (c_write_global_declarations_1): Don't create a vector
6600         of decls.  Call wrapup_global_declaration_1,
6601         wrapup_global_declaration_2, check_global_declaration_1 directly.
6602         (c_write_global_declarations_2): New.
6603         (ext_block): New.
6604         (c_write_global_declarations): Call c_write_global_declarations_2.
6605         * langhooks.c (write_global_declarations): Call
6606         emit_debug_global_declarations.
6607
6608         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
6609         remove decls that have DECL_RTL_SET_P.
6610         * passes.c (rest_of_decl_compilation): Invoke
6611         cgraph_varpool_finalize_decl for all but functions.
6612
6613 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6614
6615         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
6616         the result of a conversion if the new min and max cannot be compared.
6617
6618 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
6619
6620         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
6621         (override_options): Setting s390_sr_alias_set removed.
6622         (save_fpr, save_gprs): Set alias set to vararg or frame.
6623         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
6624         s390_sr_alias_set with get_frame_alias_set ().
6625         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
6626         get_varargs_alias_set ().
6627
6628 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6629
6630         PR objc/20574
6631         PR objc/19324
6632         * c-parser.c (c_parser_objc_method_definition): If the next
6633         token is not "{", error out and don't start the function.
6634
6635 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
6636
6637         * tree-vrp.c (extract_range_from_expr): Move the check for non
6638         nullness after the check for gimple invariant.
6639
6640 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6641
6642         * tree.c (host_integerp, tree_low_cst): Correct function comment.
6643
6644 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6645
6646         PR target/23747
6647         * config/m32r.md (movmemsi_internal): Canonicalize order of
6648         operands in PLUS component of template.
6649
6650 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6651
6652         * reload1.c (fixup_eh_region_note): Remove assertion.
6653         (fixup_abnormal_edges): Reverted removal of call to
6654         find_many_sub_basic_blocks made on 2005-08-31.
6655
6656 2005-09-07  Richard Henderson  <rth@redhat.com>
6657
6658         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
6659         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
6660         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
6661         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
6662         rearrange for better packing.
6663         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
6664         (lookup_cfa_1): Remove inline marker.
6665         (cfa_equal_p): Split out of ...
6666         (def_cfa_1): ... here.  Use INVALID_REGNUM.
6667         (build_cfa_loc): Handle !cfa->indirect.
6668         (frame_pointer_cfa_offset): New.
6669         (dbx_reg_number): Assert register elimination performed; do
6670         leaf register remapping.
6671         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
6672         (eliminate_reg_to_offset): New.
6673         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
6674         for verifiably local stack frame addresses; re-base to CFA.
6675         (mem_loc_descriptor): Remove can_use_fbreg argument.
6676         (concat_loc_descriptor, loc_descriptor): Likewise.
6677         (containing_function_has_frame_base): Remove.
6678         (rtl_for_decl_location): Don't do register elimination or
6679         leaf register remapping here.
6680         (secname_for_decl): Split out from ..
6681         (add_location_or_const_value_attribute): ... here.
6682         (convert_cfa_to_loc_list): New.
6683         (compute_frame_pointer_to_cfa_displacement): New.
6684         (gen_subprogram_die): Use them.
6685         * tree.h (frame_base_decl): Remove.
6686         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
6687         (prologue_stack_adjust): Remove.
6688         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
6689         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
6690         (set_frame_base_location): Remove.
6691         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
6692         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
6693         (vt_add_function_parameters): Don't eliminate_regs.
6694         (vt_initialize): Don't create frame_base_decl.
6695
6696 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6697
6698         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
6699         version of GNU binutils for 4.x and later.
6700
6701 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
6702
6703         * ggc-page.c (ggc_push_context): Remove.
6704         (ggc_pop_context): Likewise.
6705         * ggc.h (ggc_push_context): Remove.
6706         (ggc_pop_context): Likewise.
6707
6708 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6709
6710         PR target/8973
6711         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
6712         returning from an interrupt handler.
6713
6714 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6715
6716         PR target/8972
6717         * config/arc/arc.c (output_shift): Add check for loop count when
6718         optimizing.
6719
6720 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6721
6722         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
6723         form manually.
6724         (abs_replacement): Likewise.
6725         (pass_phiopt): Remove TODO_update_ssa.
6726
6727 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6728
6729         PR c/23075
6730         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
6731         if "return with no value, in function returning non-void" warning
6732         has been issued.
6733         * tree-cfg.c (execute_warn_function_return): Don't look at
6734         RETURN_EXPRs with TREE_NO_WARNING set.
6735
6736         PR target/22362
6737         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
6738         for internal functions doesn't use registers used by global registers
6739         variables.  Use fewer register parameters if there are global register
6740         variables.
6741
6742 2005-09-06  Olivier Hainque  <hainque@adacore.com>
6743             Eric Botcazou  <ebotcazou@adacore.com>
6744
6745         PR middle-end/14997
6746         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
6747         when we would be extracting outside its bit span (bitpos+bitsize
6748         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
6749         Ada unchecked conversions.
6750
6751 2005-09-06  Steven Bosscher  <stevenb@suse.de>
6752
6753         * tree-ssa-pre.c (try_look_through_load): New function.
6754         (compute_avail): Use it to try to look through loads for some
6755         more useful expressions.
6756
6757 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
6758
6759         * simplify-rtx.c (simplify_binary_operation_1): Correct the
6760         condition for detecting cases like (a&a) and (a^a).
6761
6762 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
6763
6764         * common.opt: Add option ftree-vect-loop-version.
6765         * params.def: Add --param vect-max-version-checks.
6766         * doc/invoke.texi: Document ftree-vect-loop-version and
6767         --param vect-max-version-checks.
6768         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
6769         may_misalign_stmts and defines for accessors.
6770         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
6771         LOOP_VINFO_MAY_MISALIGN_STMTS.
6772         (destroy_loop_vec_info): VEC_free for
6773         LOOP_VINFO_MAY_MISALIGN_STMTS.
6774         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
6775         Update documentation.
6776         (vect_update_misalignment_for_peel): New.
6777         (vect_enhance_data_refs_alignment): Update to choose loop
6778         peeling or loop versioning if appropriate for the (potentially)
6779         unaligned data references in the loop.
6780         (vect_analyze_data_refs_alignment): Remove call to
6781         vect_enhance_data_refs_alignment so the checks can be done
6782         earlier.
6783         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
6784         and move up call to vect_analyze_data_refs_alignment.
6785         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
6786         (vect_transform_loop): Add call to loop_version.
6787
6788 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
6789
6790         PR rtl-optimization/23098
6791         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
6792         * simplify-rtx.c (constant_pool_reference_p): New function.
6793         * rtl.h (constant_pool_reference_p): New prototype.
6794         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
6795         constant_pool_reference_p in condition and
6796         avoid_constant_pool_reference in preparation statements.
6797
6798 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6799
6800         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
6801         STRICT_LOW_PART SETs.
6802
6803 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
6804
6805         PR middle-end/21460
6806         * except.c (sjlj_emit_function_enter): Find the function begin
6807         note even when it's not in first basic block.
6808
6809 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
6810
6811         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
6812         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
6813         * aclocal.m4: Regenerate.
6814
6815 2005-09-05  DJ Delorie  <dj@redhat.com>
6816
6817         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
6818         of macro.
6819
6820 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
6821
6822         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
6823         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
6824         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
6825         Follow spelling conventions.
6826         * doc/invoke.texi: Follow spelling conventions.
6827
6828 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6829
6830         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
6831         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
6832         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
6833
6834 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
6835
6836         PR target/23683
6837         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
6838         (output_stack_adjust): Use gen_tmp_stack_mem.
6839         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
6840         (sh_set_return_address, sh_allocate_initial_value): Likewise.
6841         (sh_get_pr_initial_val): Likewise.
6842         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
6843         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
6844         * sh.md (divsi_inv_m0): Use gen_const_mem.
6845         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
6846         (movdf_i4+1): Use gen_tmp_stack_mem.
6847         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
6848         (fpu_switch+2): Likewise.
6849         (movv4sf_i, movv16sf_i): Use adjust_address.
6850         (symGOT_load): Set MEM_NOTRAP_P bit.
6851
6852 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6853
6854         PR target/23721
6855         * pa.c (emit_move_sequence): Fix typo in last change.
6856
6857 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
6858
6859         PR rtl-optimization/23454
6860         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
6861         is true.
6862
6863 2005-09-03  Richard Henderson  <rth@redhat.com>
6864             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6865
6866         PR middle-end/23671
6867         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
6868         gen_rtx_MEM.
6869
6870 2005-09-02  Nicolas Pitre <nico@cam.org>
6871
6872         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
6873         to bit_count to 32 bits.
6874
6875 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
6876
6877         PR c++/23167
6878         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
6879         generating synthetic loads from volatile lvalues.
6880
6881 005-09-02  Nick Clifton  <nickc@redhat.com>
6882
6883         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
6884         __ctzhi2, __clzhi2): New functions.
6885
6886 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
6887
6888         PR middle-end/23547
6889         * tree-nested.c (struct var_map_elt): Mark with GTY.
6890         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
6891         var_map_elt.
6892         (lookup_field_for_decl): Allocate new element in GC memory.
6893         (lookup_tramp_for_decl): Likewise.
6894         (convert_nl_goto_reference): Likewise
6895         (create_nesting_tree): Allocate info in GC memory. Likewise for
6896         info->var_map.
6897         (free_nesting_tree): Free with ggc_free instead of free.
6898         (root): New static variable.
6899         (lower_nested_functions): Remove root as local variable.  And zero out
6900         root at the end of the function.
6901
6902 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
6903
6904         PR rtl-optimization/20365
6905         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
6906         to short.  New member ix.
6907         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
6908         (simplify_plus_minus): Initialize ix members before calling qsort.
6909
6910 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
6911
6912         PR tree-optimization/23626
6913         * tree-cfg.c (replace_uses_by): Clean up eh info.
6914
6915 2005-09-01  DJ Delorie  <dj@redhat.com>
6916
6917         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
6918         fprintf.
6919
6920 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
6921
6922         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
6923         (rs6000_split_multireg_move): Use replace_equiv_address instead of
6924         gen_rtx_MEM.
6925
6926 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
6927
6928         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
6929         do not issue warning for a variable definition following
6930         a declaration.
6931
6932 2005-09-01  Richard Henderson  <rth@redhat.com>
6933
6934         PR 23668
6935         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
6936         conversion to CONST_VECTOR.
6937
6938 2005-09-01  Richard Henderson  <rth@redhat.com>
6939
6940         PR 23676
6941         * reload1.c (reload_as_needed): Check !CALL_P before calling
6942         fixup_eh_region_note.
6943         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
6944
6945 2005-09-01  DJ Delorie  <dj@redhat.com>
6946
6947         * varasm.c (output_constant): Let the target resolve
6948         conversions of addresses to non-default pointer sizes.
6949
6950 2005-09-01  Nicolas Pitre <nico@cam.org>
6951
6952         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
6953         to alow matching ARM pre-indexed addressing mode.
6954         (arm_override_options): Remove now irrelevant comment.
6955
6956 2005-09-01  Phil Edwards  <phil@codesourcery.com>
6957
6958         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
6959         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
6960         * config/i386/vxworks.h:  Likewise.
6961         * config/i386/t-vxworksae:  New file, for VxWorks AE.
6962         * config/i386/vxworksae.h:  Likewise.
6963
6964 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
6965
6966         PR tree-optimization/23410
6967         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
6968         sequence is not wrapping during the first step.
6969
6970 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6971
6972         PR debug/7241
6973         * dwarf2out.c (base_type_die): Compare char_type_node with
6974         TYPE_MAIN_VARIANT (type), not type.
6975
6976 2005-09-01  Richard Guenther  <rguenther@suse.de>
6977
6978         PR tree-optimization/15366
6979         * common.opt: Add -finline-functions-called-once.
6980         Put -fearly-inlining in alphabetically ordered place.
6981         * doc/invoke.texi: Document new option.
6982         * ipa-inline.c (cgraph_decide_inlining): Honour
6983         flag_inline_functions_called_once.
6984
6985 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
6986
6987         PR rtl-optimization/23478
6988         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
6989         (alloc_qty): Initialize it.
6990         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
6991         (combine_regs): Combine also n_throwing_calls_crossed fields.
6992         (find_free_reg): Don't attempt to caller-save pseudos crossing
6993         calls that might throw.
6994         * global.c (struct allocno): Add throwing_calls_crossed field.
6995         (global_alloc): Revert 2005-08-22 change.  Initialize
6996         throwing_calls_crossed.
6997         (find_reg): Don't attempt to caller-save pseudos crossing calls that
6998         might throw.
6999
7000 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7001
7002         PR target/23649
7003         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7004         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7005         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7006         (and64_2_operand): Tweak to use predicate.
7007         (and_operand): Adjust for mask_operand changes.
7008         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7009         (print_operand): Likewise.
7010         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7011         (mask64_1or2_operand): Delete.
7012         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7013         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7014         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7015         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7016         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7017         (rotldi3_internal4): Likewise.
7018         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7019         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7020         (ashldi3_internal7): Likewise.
7021         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7022         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7023         (anddi3 split): Don't match mask64_operand.
7024         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7025         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7026         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7027         't' splitter predicate.
7028         (movdi_internal64 + 2): Revert 2005-06-11 change.
7029
7030 2005-08-31  DJ Delorie  <dj@redhat.com>
7031
7032         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7033         (m32c_asm_integer): Add support for 32 bit pointers.
7034
7035 2005-08-31  Richard Henderson  <rth@redhat.com>
7036
7037         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7038         component-like references for setting MEM_NOTRAP_P.
7039
7040         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7041         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7042
7043 2005-08-31  Richard Henderson  <rth@redhat.com>
7044
7045         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7046         into a pseudo before applying gen_lowpart.
7047
7048 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7049
7050         * doc/install.texi (Specific): Update cctools version required
7051         for full functionality.
7052         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7053         linkers as -macosx_version_min.
7054
7055 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7056
7057         PR target/21255
7058         * sh.c (print_operand, %R and %S): Add handling of floating point
7059         registers, memory, constants and invalid operands.
7060
7061 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7062
7063         * ipa-pure-const.c: Change dump name.
7064
7065 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7066
7067         PR target/23570
7068         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7069         to "reg_or_0_operand".
7070         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7071
7072 2005-08-31  Dale Johannesen  <dalej@apple.com>
7073
7074         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7075         loops that count down.
7076
7077 2005-08-31  Richard Henderson  <rth@redhat.com>
7078
7079         PR rtl-opt/23601
7080         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7081         (fixup_eh_region_note): New.
7082         (reload_as_needed): Call it.
7083         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7084         don't call find_many_sub_basic_blocks; call verify_flow_info.
7085         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7086         (keep_stack_depressed): Likewise.
7087         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7088
7089 2005-08-31  Richard Henderson  <rth@redhat.com>
7090
7091         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7092         fp return matching.
7093
7094 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7095
7096         * expr.c (expand_expr_real_1): Compare size of address
7097         mode to target's address mode size in deciding expansion of
7098         the constant address.
7099
7100 2005-08-31  Richard Guenther  <rguenther@suse.de>
7101
7102         PR middle-end/23477
7103         * expr.c (all_zeros_p): New function.
7104         (expand_expr_real_1): Handle the case of an all-zero
7105         non-addressable constructor separately.
7106
7107 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7108
7109         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7110         arguments, adjust all callers.
7111         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7112
7113 2005-08-30  Richard Henderson  <rth@redhat.com>
7114
7115         PR target/23630
7116         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7117         whenever the mode sizes match.
7118
7119 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7120
7121         * calls.c (load_register_parameters): Fix comment typo.
7122         * expr.c (emit_push_insn): Comment formatting.
7123
7124 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7125
7126         * config/i386/x-cygwin (host-cygwin): Change dependency from
7127         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7128
7129 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7130
7131         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7132         parts of 'vals'.
7133
7134 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7135
7136         PR middle-end/23408
7137         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7138         call to ggc_collect.
7139
7140 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7141
7142         PR bootstrap/21268
7143         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7144         beginning.  Remove $(INCLUDES) from all the rules, if following
7145         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7146
7147 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7148
7149         PR middle-end/23484
7150         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7151         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7152         not constant, but maxlen is, don't set len to maxlen, rather
7153         set maxlen to len if len is a constant.
7154
7155 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7156
7157         PR tree-optimization/23475
7158         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7159         and counts.
7160
7161 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7162
7163         Fix PR middle-end/22455
7164
7165         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7166         Checksum only the parts of the tree that exist for the tree code.
7167
7168 2005-08-28  Dale Johannesen  <dalej@apple.com>
7169
7170         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7171
7172 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7173
7174         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7175
7176 2005-08-28  Richard Henderson  <rth@redhat.com>
7177
7178         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7179         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7180         of char_type_node.
7181
7182 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7183
7184         PR ada/23593
7185         * builtins.c (get_memory_rtx): Don't strip nops
7186         in between COMPONENT_REFs.
7187
7188 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7189
7190         PR middle-end/23463
7191         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7192         types.
7193         (gimplify_modify_expr): Check for zero sized types and gimplify the
7194         rhs and lhs as statements.
7195
7196 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7197
7198         PR libgcj/23508
7199         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7200         state for return address column of signal frames.
7201
7202 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7203
7204         PR target/23539
7205         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7206         bytes >= 2 not bytes == 2.
7207         (expand_block_move): Same.
7208
7209 2005-08-27  Richard Guenther  <rguenther@suse.de>
7210
7211         PR target/23575
7212         * config/i386/sse.md (sse2_movsd): Add missing closing
7213         braces.
7214
7215 2005-08-27  Paul Brook  <paul@codesourcery.com>
7216
7217         * genrecog.c (enum decision_type): Add DT_num_insns.
7218         (struct decision_test): Add u.num_insns.
7219         (add_to_sequence): Add DT_num_insns test.
7220         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7221         (write_cond, debug_decision_2): Ditto.
7222         (change_state): Assume peep2_next_insn never fails.
7223         Remove "afterward" argument.
7224         (write afterward, write_tree): Update to match.
7225         * recog.c (peep2_current_count): New variable.
7226         (peep2_next_insn): Check it.
7227         (peephole2_optimize): Set peep2_current_count.
7228         * recog.h (peep2_current_count): Declare.
7229
7230 2005-08-26  Josh Conner  <jconner@apple.com>
7231
7232         PR middle-end/23584
7233         * ipa-pure-const.c (check_tree): Check for volatile-ness
7234         when considering a dereference.
7235
7236 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7237
7238         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7239
7240 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7241
7242         PR rtl-optimization/23561
7243         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7244         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7245         at most LEN bytes long memory fits into the field.
7246         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7247         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7248         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7249
7250 2005-08-26  Richard Henderson  <rth@redhat.com>
7251
7252         PR rtl-opt/23560
7253         * loop.c (biased_biv_may_wrap_p): New.
7254         (maybe_eliminate_biv_1): Use it to suppress non-equality
7255         comparison transformations.  Delete disabled code.
7256
7257 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7258
7259         * combine.c (make_extraction): Avoid reference outside object.
7260
7261 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7262
7263         * stor-layout.c (finalize_type_size): Restore behaviour for
7264         non-aggregate types to the status quo ante of the patch for
7265         pr 23467.  Document why it matters.
7266
7267 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7268
7269         PR c/23506
7270         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7271         array by one element, initialize the BT_LAST element with NULL.
7272
7273 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7274
7275         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7276         optimizing for size.
7277         (plus_eqsi): Same.
7278         (compare_plus_eqsi): Same.
7279         (plus_eqsi_compare): Same.
7280         (neg_eq0<mode>): Same.
7281         (neg_eq<mode>): Same.
7282
7283         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7284         PROCESSOR_POWER4.
7285
7286 2005-08-26  Nick Clifton  <nickc@redhat.com>
7287
7288         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7289         TARGET_EP is not defined.
7290         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7291         TARGET_EP is enabled.
7292         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7293         * config/v850/v850.md (save_all_interrupt): Only use the EP
7294         register if TARGET_EP is defined.
7295         (restore_all_interrupt): Likewise.
7296         * config/v850/lib1funcs.asm: Update functions so that the EP
7297         register is only used if __EP__ is defined.
7298
7299 2005-08-26  David Ung  <davidu@mips.com>
7300
7301         * config/mips/mips.c (mips_expand_prologue): Handle case when
7302         generating for MIPS16 and the outgoing argument area is more than
7303         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7304         add instruction.
7305
7306 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7307
7308         * config/crx/crx.md: Make doloop_end pattern usage controllable
7309         via mloop-nesting=<max-nesting> command line switch. Make sure
7310         the combiner cannot use doloop_end_<mode> in an illegal way.
7311         * config/crx/crx.c: Use regs up to r6 for argument passing.
7312         Refine crx_address_cost (non cst4 displacements are expensive).
7313         * config/crx/crx.opt: Add switch for mloop-nesting=.
7314
7315 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7316
7317         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7318         (UNSPEC_MVST): New constant.
7319
7320 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7321
7322         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7323         Reject operands containing eliminable registers.
7324         * testsuite/gcc.dg/20050825-1.c: New testcase.
7325
7326 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7327             Jan Hubicka  <jh@suse.cz>
7328
7329         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7330
7331 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7332
7333         PR tree-optimization/23546
7334         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7335         and REAL_CST nodes.
7336
7337 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
7338
7339         * params.def (PARAM_MIN_SPEC_PROB): New.
7340         * sched-rgn.c (MIN_PROBABILITY): Delete.
7341         (compute_trg_info): Convert to PARAM_VALUE.
7342         * doc/invoke.texi (param): Document min-spec-prob.
7343
7344 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
7345
7346         * config/darwin.h: define __PIC__
7347         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
7348         TARGET_OS_CPP_BUILTINS macro.
7349
7350 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7351
7352         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
7353         yesterday.
7354
7355 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7356
7357         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
7358         to duplicate_block.
7359         * cfghooks.c (duplicate_block): Added position where to place
7360         new block as argument.
7361         * cfghooks.h (duplicate_block): Declaration changed.
7362         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
7363         duplicate_block.
7364         * cfglayout.h (copy_bbs): Declaration changed.
7365         * cfgloop.h (loop_version): Declaration changed.
7366         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
7367         position to copy_bbs.
7368         (loop_version): Pass position to duplicate_loop_to_header_edge.
7369         Add place_after argument and position new blocks according to
7370         it.
7371         * modulo-sched.c (sms_schedule): Pass place_after argument
7372         to loop_version.
7373         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
7374         * tree-cfg.c (split_edge_bb_loc): New function.
7375         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
7376         to determine position of new blocks.
7377         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
7378         to loop_version.
7379         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
7380         argument to duplicate_block.
7381         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
7382         Pass position to copy_bbs.
7383
7384 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
7385
7386         * fold-const.c (ptr_difference_const): Use
7387         cst_and_fits_in_hwi instead of host_integerp.
7388
7389 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7390
7391         * config/darwin.c (gen_pic_offset): New.
7392         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
7393         Use it.
7394
7395 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
7396
7397         PR tree-optimization/23486
7398         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
7399
7400 2005-08-23  Phil Edwards  <phil@codesourcery.com>
7401
7402         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
7403         remove use_collect2.
7404         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
7405
7406         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
7407         configuration files to override the default value.
7408
7409         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
7410         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
7411         * config/vx-common.h:  New file, split out from...
7412         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
7413         * config/vxworksae.h:  New file, for VxWorks AE.
7414         * config/vxworks.opt:  New file.
7415         * config/vxlib.c:  Update for VxWorks 6.
7416
7417         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
7418         other MULTILIB_* variables appropriately.
7419         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
7420         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
7421         * config/rs6000/vxworks.h:  Update for VxWorks 6.
7422         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
7423
7424 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
7425
7426         PR target/20799
7427         * config/darwin.c (machopic_select_section): Remove the hack to
7428         mark "::operator new" and "::operator delete" for coalescing
7429         even though they are not weak.
7430
7431 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
7432
7433         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
7434         * configure: Regenerate.
7435
7436 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7437
7438         PR middle-end/23517
7439         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
7440         between vectors.
7441         * convert.c (convert_to_integer, convert_to_vector): Likewise.
7442         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
7443         Likewise.
7444
7445 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
7446
7447         * config/rs6000/predicates.md (equality_operator): New.
7448         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
7449         comparison with a large constant.
7450
7451 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
7452
7453         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
7454
7455 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
7456
7457         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
7458         registers is even, and we have a hardware double precision fp,
7459         align the buffer.
7460         (sh_gimplify_va_arg_expr): For floating point arguments, consider
7461         size of current argument when checking if argument was passed in
7462         registers.
7463
7464         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
7465
7466         PR middle-end/23467
7467         * stor-layout.c (finalize_type_size): Dont override
7468         existing alignment with a smaller alignment from the mode.
7469
7470 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7471
7472         * lambda-code.c (lambda_vector_lexico_pos): Moved...
7473         * lambda.h (lambda_vector_lexico_pos): ... here.
7474         * tree-data-ref.c (build_classic_dist_vector): Return false when
7475         the distance vector is lexicographically negative.
7476
7477 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
7478
7479         PR tree-optimization/23511
7480         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
7481         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
7482
7483 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
7484
7485         PR tree-optimization/22043
7486         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
7487         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
7488         If ALLOW_FLEXARR, handle types ending with flexible array member.
7489         Pass false as second argument to recursive count_type_elements calls.
7490         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
7491         argument to count_type_elements call.
7492         * tree-sra.c (decide_block_copy): Likewise.
7493         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
7494         for a constant-sized object, set cleared as well.  Pass true as
7495         second argument to count_type_elements call.
7496
7497 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7498
7499         PR target/21571
7500         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
7501         from legitimate_small_data_p, and make global.  Update use.
7502         Remove forward declaration.
7503         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
7504         Declare.
7505         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
7506
7507 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
7508
7509         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
7510         of scratch intermediates.
7511         (eq<mode>_compare): Same.
7512         (neg_eq0<mode>): New.
7513         (neg_eq<mode>): Convert to define_insn_and_split.
7514
7515 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
7516
7517         PR target/23070
7518         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
7519         stdarg functions, set/clear the fp marker even when no variable
7520         args are passed.
7521         * config/rs6000/sysv4.opt (mprototype): Describe.
7522
7523 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
7524
7525         PR rtl-optimization/23478
7526         * regs.h (reg_info): Add throw_calls_crossed.
7527         (REG_N_THROWING_CALLS_CROSSED): Define.
7528         * flow.c (allocate_reg_life_data): Initialize
7529         REG_N_THROWING_CALLS_CROSSED.
7530         (propagate_one_insn, attempt_auto_inc): Update
7531         REG_N_THROWING_CALLS_CROSSED.
7532         * global.c (global_alloc): Don't allocate pseudos across
7533         calls that may throw.
7534
7535 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7536
7537         PR c/18715
7538         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
7539         value is inbetween the range if we did not find an exact match.
7540
7541 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
7542
7543         * doc/invoke.texi (Option Summary): Add ms1 options.
7544         * doc/extend.texi: Document interrupt handler attribute for ms1.
7545         * doc/md.texi: Document ms1 constraints.
7546         * config.gcc: Add ms1-*-elf.
7547         * config/ms1/ms1.h: New.
7548         * config/ms1/ms1.c: New.
7549         * config/ms1/ms1.md: New.
7550         * config/ms1/ms1-protos.h: New.
7551         * config/ms1/ABI.txt: New.
7552         * config/ms1/crti.asm: New.
7553         * config/ms1/crtn.asm: New.
7554         * config/ms1/lib2extra-funcs.c: New.
7555         * config/ms1/t-ms1: New.
7556         * config/ms1/ms1.opt: New.
7557
7558 2005-08-22 Ira Rosen <irar@il.ibm.com>
7559
7560         * config/rs6000/altivec.md (xorv4sf3): New.
7561         (negv4sf2, neg<mode>2): Likewise.
7562
7563 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
7564
7565         PR target/23485
7566         * config/ia64/ia64.md (divsi3): Check divide by zero.
7567         (udivsi3): Likewise.
7568         (divdi3): Likewise.
7569         (udivdi3): Likewise.
7570
7571 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
7572
7573         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
7574         up to elem_bitsize bits, not max_bitsize.
7575
7576 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7577
7578         PR tree-optimization/23433
7579         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
7580         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
7581
7582 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
7583
7584         PR tree-optimization/23434
7585         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
7586         the iteration bound is not an INTEGER_CST.
7587
7588 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
7589
7590         * tree-vect-transform.c (get_initial_def_for_reduction): Set
7591         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
7592         NULL if need_epilog_adjust is false.
7593         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
7594         Case 3 always peels first itration, not just for PLUS case, and no need
7595         to use scalar_initial_def here. Create an epilog adjustment only if
7596         scalar_initial_def is not NULL.
7597
7598         (vectorizable_reduction): Remove assert.
7599
7600 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
7601
7602         PR target/23485
7603         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
7604         (__moddi3): Likewise.
7605         (__udivdi3): Likewise.
7606         (__umoddi3): Likewise.
7607         (__divsi3): Likewise.
7608         (__modsi3): Likewise.
7609         (__udivsi3): Likewise.
7610         (__umodsi3): Likewise.
7611
7612 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
7613
7614         * tree-pass.h (TDF_GRAPH): Define.
7615         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
7616         * passes.c (finish_optimization_passes): Only call
7617         finish_graph_dump_file if TDF_GRAPH is set.
7618         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
7619         NULL.  Set TDF_GRAPH bit.
7620         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
7621
7622 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
7623
7624         * arm.h (arm_stack_offsets): Add locals_base field.
7625         * arm.c (arm_get_frame_offsets): Compute it.
7626         (thumb_compute_initial_elimination offset): Make the Thumb frame
7627         pointer point to the base of the local variables.
7628         (thumb_expand_prologue): Update accordingly.
7629         (thumb_expand_epilogue): Likewise.
7630
7631         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
7632         mode of clobbered scratch to DImode.  Handle a case that's known to
7633         need this.
7634
7635 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
7636
7637         * config/rs6000/rs6000.md (gt0<mode>): Delete.
7638         (gt0<mode>_compare): Delete.
7639         (neg_gt0<mode>): Delete.
7640
7641 2005-08-19  Eric Christopher  <echristo@apple.com>
7642
7643         * optabs.h: Change CTI_ to COI_.
7644         * optabs.c: Ditto.
7645
7646 2005-08-19  James E Wilson  <wilson@specifix.com>
7647
7648         * builtins.c (expand_builtin_return_addr): Set
7649         current_function_accesses_prior_frames when count != 0.  Use
7650         frame_pointer_rtx when count == 0.
7651         * function.h (struct function): Add accesses_prior_frames field.
7652         (current_function_accesses_prior_frames): Define.
7653         * reload1.c (init_elim_table): Check
7654         current_function_accesses_prior_frames.
7655         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
7656
7657 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7658
7659         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
7660         indicator.  Return true if the flowgraph changed during
7661         cleanup.
7662
7663 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7664
7665         PR 23476
7666         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
7667         conditional expression before testing its value.
7668
7669 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
7670
7671         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
7672
7673 2005-08-19  Devang Patel  <dpatel@apple.com>
7674
7675         PR tree-optimization/23048
7676         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
7677         third parameter. Check whether latch is dominated by exit
7678         block or not.
7679         (if_convertible_loop_p): Supply exit block itself to
7680         if_convertible_bb_p.
7681
7682 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7683
7684         PR target/23473
7685         * arm.md (arm_load_pic_register): Change argument to the mask of
7686         saved registers.  Call thumb_find_work_register if we need a
7687         scratch register on Thumb.
7688         (arm_expand_prologue): Pass empty register set to
7689         arm_load_pic_register.
7690         (thumb_expand_prologue): Pass live_regs_mask directly to
7691         arm_load_pic_register.
7692         * arm-protos.h (arm_load_pic_register): Update prototype.
7693
7694 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
7695
7696         * sh.c (find_sole_member): New function.
7697         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
7698         if the record's alignment is larger than the size of its only member.
7699
7700 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
7701
7702         PR target/23436
7703         * arm.c (thumb_legitimize_reload_address): New function.
7704         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
7705         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
7706
7707 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
7708
7709         * config/crx/crx.c: Implement crx_decompose_address. Reject
7710         symbolic displacements since CRX register relative adressing
7711         mode can't handle unsigned 32-bit values as displacements.
7712         * config/crx/crx.h: Simplify definitions, remove redundant
7713         parenthesis and obsolete macros.
7714         * config/crx/crx.opt: Add new switch for debugging addresses.
7715         * config/crx/crx-protos.h: Add new declarations for above.
7716
7717 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
7718
7719         PR middle-end/20624
7720         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
7721         looking past it.
7722
7723 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7724
7725         * collect2.c (dup2): Delete.
7726         * configure.ac: Don't check for dup2.
7727
7728         * config.in, configure: Regenerate.
7729
7730 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
7731
7732         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
7733         record with the type of its only member.
7734
7735 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
7736
7737         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
7738         define_insn_and_split.
7739         (plus_ltu<mode>_compare): Same.
7740         (gtu<mode>_compare): Same.
7741         (plus_gtu<mode>_compare): Same.
7742
7743 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
7744
7745         PR tree-optimization/22228
7746         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
7747         todo_flags_start.
7748         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
7749         are recorded in vect_vnames_to_rename for renaming.
7750         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
7751         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
7752         in vect_vnames_to_rename.
7753         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
7754         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
7755
7756 2005-08-18  Jan Hubicka  <jh@suse.cz>
7757
7758         PR c++/22034
7759         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
7760         info only for local statics, not for member variables.
7761
7762 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7763
7764         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
7765
7766 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7767
7768         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
7769
7770 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
7771
7772         PR middle-end/16045
7773         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
7774
7775 2005-08-17  James E Wilson  <wilson@specifix.com>
7776
7777         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7778         array size check.
7779
7780 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
7781
7782         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
7783         (leu<mode>_compare): Same.
7784         (plus_leu<mode>): Same.
7785         (neg_leu<mode>): Same.
7786         (and_neg_leu<mode): Same.
7787         (ltu<mode>_compare): Same.
7788         (plus_ltu<mode>): Same.
7789         (geu<mode>): Same.
7790         (geu<mode>_compare): Same.
7791         (plus_geu<mode>): Same.
7792         (neg_geu<mode>): Same.
7793         (and_neg_geu<mode>): Same.
7794         (plus_gt<mode>): Same.
7795         (gtu<mode>_compare): Same.
7796         (plus_gtu<mode>): Same.
7797
7798 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
7799
7800         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
7801         Move call_table_data to end.  Delete spurious .text.
7802         (callt_save_all_interrupt): Fix comment typo.
7803
7804 2005-08-17  James E Wilson  <wilson@specifix.com>
7805             Kevin Winchester  <winchester@amirix.com>
7806
7807         PR target/21684
7808         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
7809
7810 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
7811
7812         PR target/23268
7813         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
7814         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
7815
7816 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
7817
7818         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
7819         record with the type of its only member if the modes don't match.
7820
7821         * varasm.c (decode_reg_name): Skip empty additional register names.
7822
7823 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
7824
7825         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
7826         lsm_tmp_name_length): New.
7827         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
7828         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
7829
7830 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7831             Andreas Krebbel  <krebbel1@de.ibm.com>
7832
7833         * config.gcc: Added z9-109 switch.
7834         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
7835         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
7836         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
7837         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
7838         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
7839         for "z9_109" cpu attribute.
7840         * config/s390/s390.c (z9_109_cost): New processor cost structure.
7841         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
7842         (s390_handle_arch_option): Added z9-109 switch.
7843         (override_options): Set respective cost function for z9-109.
7844         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
7845         (legitimate_reload_constant_p): Accept extended immediates.
7846         (print_operand): Three new output modifiers added: k, m and o.
7847         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
7848         (s390_output_mi_thunk): Use extended immediate when possible.
7849         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
7850         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
7851         (CONSTRAINT_LEN): Added length of O constraint.
7852         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
7853         * config/s390/s390.md ("cpu"): New value z9_109 added.
7854         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
7855         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
7856         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
7857         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
7858         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
7859         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
7860         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
7861         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
7862         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
7863         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7864         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
7865         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
7866         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
7867         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
7868         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
7869         immediates.
7870         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
7871         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
7872         insns for TARGET_EXTIMM.
7873
7874 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7875
7876         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
7877
7878 2005-08-17  Nick Clifton  <nickc@redhat.com>
7879
7880         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
7881         Call default_encode_section_info.
7882
7883 2005-08-17  Steven Bosscher  <stevenb@suse.de>
7884
7885         PR tree-optimization/21574
7886         * tree-ssa-ccp.c (likely_value): If the right hand side is a
7887         constant, return CONSTANT.
7888         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
7889         (ccp_fold, visit_assignment): Likewise.
7890         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
7891
7892 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7893
7894         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
7895         fold_buildN instead of buildN then fold_initializer or fold.
7896         (build_unary_op): Likewise.
7897         (build_binary_op): Likewise.
7898         * fold-const.c (fold_initializer): Remove.
7899         (fold_build1_initializer): New function.
7900         (fold_build2_initializer): New function.
7901         (fold_build3_initializer): New function.
7902         * tree.h (fold_initializer): Remove.
7903         (fold_build1_initializer): New function.
7904         (fold_build2_initializer): New function.
7905         (fold_build3_initializer): New function.
7906
7907 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
7908
7909         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
7910         (try_move_mult_to_index): Call fold_build2 instead of build2.
7911         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
7912         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
7913         fold_binary_to_constant.
7914         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
7915         fold (build.
7916         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
7917         check if A == gcd (A, B).  Remove TYPE argument.
7918         (analyze_offset) Use fold_build2 instead of fold (build.
7919         (create_data_ref): Likewise.
7920         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
7921         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
7922         then fold.
7923
7924 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
7925
7926         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
7927         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
7928
7929 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
7930
7931         PR tree-opt/23402
7932         * gimplify.c (zero_sized_type): New function.
7933         (gimplify_modify_expr_rhs): If we have a zero sized type,
7934         replace the statement with an empty statement.
7935
7936 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
7937
7938         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
7939         fxsave.
7940
7941 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7942
7943         * doc/tm.texi (Label Output): Correct typo.
7944
7945 2005-08-16  Steven Bosscher  <stevenb@suse.de>
7946
7947         PR target/23376
7948         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
7949         force_operand will work later on using have_insn_for.
7950
7951 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7952
7953         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
7954
7955 2005-08-16  Ian Lance Taylor  <ian@airs.com>
7956
7957         PR c++/23337
7958         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
7959         vector type, don't try to construct it element by element.  Add an
7960         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
7961
7962 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7963
7964         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
7965
7966 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
7967
7968         * doc/invoke.texi (Precompiled Headers): Document some more options
7969         which are known to be safe.
7970
7971 2005-08-16  James E Wilson  <wilson@specifix.com>
7972
7973         PR tree-optimization/21105
7974         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
7975         TREE_OVERFLOW check.
7976
7977 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
7978
7979         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
7980         (neg_ltu<mode>): Same.
7981         (gtu<mode>): Same.
7982         (neg_gtu<mode>): Same.
7983
7984 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7985
7986         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
7987         (fold_builtin_isdigit): Use fold_buildN.
7988         (build_function_call_expr): Likewise.
7989         * c-typeck.c (c_finish_loop): Likewise.
7990
7991 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
7992             Richard Shann <rshann@superh.com>
7993
7994         PR middle-end/20396:
7995         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
7996
7997 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
7998
7999         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8000
8001 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8002
8003         PR target/23355
8004         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8005         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8006         must be saved.
8007
8008 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8009
8010         PR middle-end/23369
8011         * fold-const.c (build_range_check): Disable optimization for function
8012         pointer expressions on targets that require function pointer
8013         canonicalization.
8014
8015 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8016
8017         * simplify-rtx.c (simplify_const_relational_operation): When
8018         extracting arguments of a COMPARE, recompute the mode as well.
8019
8020 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8021
8022         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8023
8024 2005-08-15  DJ Delorie  <dj@redhat.com>
8025
8026         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8027         the stack.
8028         (movsi_splittable): Allow, but split, moves to the stack.
8029         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8030         stack.
8031
8032 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8033
8034         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8035         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8036         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8037
8038         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8039         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8040         Delete HOST_PTR_PRINTF.
8041
8042         * configure, config.in: Regenerate.
8043
8044 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8045
8046         * config/rs6000/rs6000.md (QHSI): New mode macro.
8047         (wd): Extend mode attr for QImode and HImode
8048         (dbits): New mode attr.
8049         (zero_extend<mode>di2): Convert to mode macro.
8050
8051 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8052
8053         PR target/21841
8054         * doc/invoke.texi (-mgnu-ld): Update description.
8055         (-mhp-ld): Ditto.
8056
8057 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8058
8059         PR 23391
8060         * Makefile.in (tree-chrec.o): Depends on real.h.
8061         * tree-chrec.c: Include real.h.
8062         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8063         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8064         * tree-scalar-evolution.c (add_to_evolution_1,
8065         interpret_rhs_modify_expr): Ditto.
8066
8067 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8068
8069         PR 23386
8070         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8071         step is negative compute the estimation from init downwards to zero.
8072
8073 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8074
8075         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8076
8077 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8078
8079         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8080         constraint.
8081         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8082         Accept double-word constants that can be split.
8083         * config/s390/s390.md ("movti"): Use 'P' constraint.
8084         ("*movdi_31", "*movdf_31"): Likewise.
8085
8086 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8087
8088         Fix PR tree-optimization/22615
8089
8090         * tree-ssa-structalias.c (solution_set_add): Handle
8091         first_vi_for_offset returning NULL.
8092         (do_da_constraint): Ditto.
8093         (do_sd_constraint): Ditto.
8094         (do_ds_constraint): Ditto
8095         (find_func_aliases): Ditto.
8096         (build_constraint_graph): RHS is allowed be ANYTHING.
8097         (first_vi_for_offset): Return NULL if we couldn't find anything at
8098         the offset.
8099
8100 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8101
8102         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8103         over memory as first operand.
8104
8105 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8106
8107         PR target/23360
8108         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8109         available for setting it.
8110
8111 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8112
8113         PR tree-optimization/23320
8114         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8115         data-refs' types instead of base object nullness. Add check for
8116         pointer type data-refs before first location comparison. Remove
8117         assert.
8118
8119 2005-08-14  Andreas Schwab  <schwab@suse.de>
8120
8121         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8122
8123 2005-08-13  James E Wilson  <wilson@specifix.com>
8124
8125         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8126         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8127         -fstack-protector-all, --param ssp-buffer-size): Document.
8128         (-Wvariadic-macros): Alphabetize.
8129         (-fsched-stalled-insns-dep): Add missing 'f'.
8130
8131         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8132         macros.
8133
8134 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8135
8136         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8137         or indirect address operand.
8138         (EXTRA_ADDRESS_CONSTRAINT): New.
8139         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8140
8141 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8142
8143         PR tree-optimization/22236
8144         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8145         successors and predecessors.
8146         * tree-chrec.c (chrec_convert): Before converting, check that
8147         sequences don't wrap.
8148         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8149         (analyze_array): Extern.
8150         (find_data_references_in_loop): Remove call to
8151         compute_estimated_nb_iterations.
8152         * tree-data-ref.h (analyze_array): Declared.
8153         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8154         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8155         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8156         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8157         condition.
8158         * tree-ssa-loop-ivcanon.c: Fix documentation.
8159         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8160         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8161         (infer_loop_bounds_from_undefined): New.
8162         (estimate_numbers_of_iterations_loop): Use
8163         infer_loop_bounds_from_undefined.
8164         (used_in_pointer_arithmetic_p): New.
8165         (scev_probably_wraps_p): Pass an extra parameter.  Call
8166         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8167         (convert_step): Fix documentation.
8168         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8169         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8170         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8171         scev_probably_wraps_p.
8172
8173 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8174
8175         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8176         (s390_register_info): Ignore clobbered_regs information for fixed
8177         registers, and only fixed registers.
8178         (s390_init_frame_layout): Remove redundant call.
8179
8180 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8181
8182         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8183         description of -Wold-style-casts.
8184
8185 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8186             Jakub Jelinek  <jakub@redhat.com>
8187
8188         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8189         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8190         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8191         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8192         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8193         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8194         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8195         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8196         ("stack_protect_set", "stack_protect_test"): New expanders.
8197         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8198         "stack_protect_testdi"): New insn definitions.
8199
8200 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8201
8202         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8203
8204 2005-08-12  Paul Brook  <paul@codesourcery.com>
8205
8206         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8207
8208 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8209
8210         * config/s390/predicates.md (setmem_operand): New predicate.
8211         (shift_count_operand): Accept ANDs with special constants as
8212         operand.
8213         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8214         with special constants.
8215         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8216         shift_count_operand with setmem_operand.
8217
8218 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8219
8220         * config/s390/s390.c (s390_extract_part, s390_single_part):
8221         Type cast added.
8222         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8223         (s390_output_mi_thunk): Don't use lg on 31 bit.
8224         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8225         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8226
8227 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8228
8229         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8230         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8231         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8232         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8233         with one of the new macros.
8234
8235 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8236
8237         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8238         Don't set save_return_addr_p.
8239         (s390_register_info): Make clobbered_regs not depending on
8240         save_return_addr_p.
8241
8242 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8243
8244         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8245         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8246
8247 2005-08-11  James E. Wilson  <wilson@specifix.com>
8248
8249         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8250
8251 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8252
8253         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8254         locations gathered by var-tracking in single entry loc_list
8255         over loc_descriptor_from_tree.
8256
8257         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8258         pass it down to loc_descriptor.
8259         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8260         (containing_function_has_frame_base): Move earlier in the file.
8261         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8262         instead of always assuming fbreg can't be used.
8263
8264 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8265
8266         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8267         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8268         Accept address wrapped in AND for Altivec.
8269         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8270         Strip AND wrapping offset address for Altivec.
8271
8272 2005-08-11  Richard Henderson  <rth@redhat.com>
8273
8274         PR middle-end/23312
8275         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8276         before using TYPE_IS_SIZETYPE.
8277
8278 2005-08-11  Richard Henderson  <rth@redhat.com>
8279
8280         PR target/22225
8281         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8282         insn types not present on ev4.
8283         (alphaev5_insn_pipe): Similarly.
8284
8285 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8286
8287         PR target/23250
8288         * arm.c (arm_override_options): If the user has selected callee-super-
8289         interworking, then enable normal interworking.
8290
8291 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8292
8293         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8294         redefinition.
8295
8296 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8297
8298         * doc/rtl.texi: Fix two typos.
8299
8300 2005-08-11  Richard Guenther  <rguenther@suse.de>
8301
8302         PR target/23289
8303         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8304         cases where we call to/from functions returning void.
8305
8306 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8307
8308         PR c++/23225
8309         * tree.c (build_pointer_type_for_mode): Robustify.
8310
8311 2005-08-10  James E Wilson  <wilson@specifix.com>
8312
8313         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8314         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8315
8316         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8317         "cum->".
8318
8319 2005-08-10  Eric Christopher  <echristo@apple.com>
8320
8321         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8322         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8323         V2DFmode.
8324
8325 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8326
8327         PR target/21887
8328         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8329         for the high part when generating dynamic-no-pic code.
8330
8331 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8332
8333         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8334         (x86_64-*-linux*): Likewise.
8335
8336         * config/i386/crtfastmath.c: New file.
8337         * config/i386/t-crtfm: Likewise.
8338
8339         * config/i386/linux.h (ENDFILE_SPEC): New.
8340         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
8341
8342         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
8343         crtfastmath.o.
8344
8345 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
8346
8347         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
8348         (vec_shl, vec_shr): Document new operations.
8349         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
8350
8351 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
8352
8353         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
8354         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
8355         change predicate to indexed_or_indirect_address.
8356
8357 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
8358
8359         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
8360         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
8361         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
8362         and __aeabi_uwrite8.
8363         * config/arm/unaligned-funcs.c: New file.
8364         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
8365
8366 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
8367
8368         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
8369         Add dump.
8370         * cfglayout.c (pass_insn_locators_initialize): Add dump.
8371         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
8372         Add dump.
8373         * except.c (pass_convert_to_eh_region_ranges): Add dump.
8374         * final.c (pass_shorten_branches): Add dump.
8375         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
8376         (pass_life): Rename dump.
8377         (rest_of_handle_flow2): Remove initial verify_flow_info.
8378         * function.c (pass_instantiate_virtual_regs): Add dump.
8379         * integrate.c (pass_initial_value_sets): Add dump.
8380         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
8381         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
8382         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
8383         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
8384         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
8385         gate_rtl_unrool_and_peel_loops): New.
8386         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
8387         rtl_doloop): Do not look at flags.
8388         * mode-switching.c (pass_mode_switching): Add dump.
8389         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
8390         pass_split_before_regstack): Add dump.
8391         * regmove.c (pass_stack_adjustments): Add dump.
8392         * tree-optimize.c (pass_fixup_cfg): Add dump.
8393
8394 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8395
8396         PR 23309
8397         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
8398         deciding which instruction sequence to use.
8399
8400 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
8401
8402         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
8403         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
8404
8405 2005-08-09  Richard Guenther  <rguenther@suse.de>
8406
8407         * c-common.c (builtin_function_2): Remove.
8408         (def_builtin_1): New function.
8409         (c_common_nodes_and_builtins): Use def_builtin_1 to
8410         build builtin functions.
8411
8412 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
8413
8414         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
8415         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8416         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
8417         Visual DSP.
8418
8419 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8420
8421         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
8422         fold_binary instead of fold_build2 since we don't care about the
8423         resulting tree.
8424         (loop_niter_by_eval): Likewise.
8425         (compare_trees): Likewise.
8426         (proved_non_wrapping_p): Likewise.
8427
8428 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
8429
8430         PR c/23161
8431         PR c/23165
8432         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
8433         if the if is really empty.
8434
8435 2005-08-09  Steven Bosscher  <stevenb@suse.de>
8436
8437         PR tree-optimization/23234
8438         * tree-ssa-math-opts.c (place_reciprocal): New enum.
8439         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
8440         argument of the new enum.
8441         (execute_cse_reciprocals): Add reciprocals for function arguments
8442         on the unique successor edge of the entry block.  Update other calls
8443         to execute_cse_reciprocals_1.
8444
8445 2005-08-08  Richard Henderson  <rth@redhat.com>
8446
8447         PR 22439
8448         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
8449
8450 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
8451
8452         * expr.c (write_complex_part): Return after handling MEM.
8453
8454 2005-08-08  Josh Conner  <jconner@apple.com>
8455
8456         PR rtl-optimization/23241
8457         * combine.c (simplify_comparison): Fix error in determining
8458         whether to lift a subreg from comparison.
8459
8460 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
8461
8462         PR target/18506
8463         * config/rs6000/altivec.md (vec_init<mode>): New.
8464         (vec_set<mode>): New.
8465         (vec_extract<mode>): New.
8466         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
8467         (rs6000_expand_vector_set): New.
8468         (rs6000_expand_vector_extract): New.
8469         (rs6000_legitimate_offset_address_p): Offset addresses are valid
8470         for Altivec modes before reload.
8471         (altivec_expand_vec_init_builtin): New.
8472         (get_element_number): New.
8473         (altivec_expand_vec_set_builtin): New.
8474         (altivec_expand_vec_ext_builtin): New.
8475         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
8476         builtins.
8477         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
8478         builtins.
8479         * config/rs6000/rs6000.h (rs6000_builtins): Add
8480         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
8481         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
8482         * config/rs6000/rs6000-protos.h: Declare new functions.
8483
8484 2005-08-08  Jan Hubicka  <jh@suse.cz>
8485
8486         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
8487         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
8488         * i386.md (movdi*): Use pic_32bit_operand.
8489         * predicates.md (pic_32bit_operand): New.
8490
8491 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
8492
8493         PR c++/21166
8494         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
8495
8496 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
8497
8498         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
8499         (test_for_singularity): Use fold_build2.
8500
8501 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8502
8503         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
8504
8505 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
8506
8507         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8508         (COMMON_ASM_OP) Define.
8509         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
8510         (ix86_encode_section_info): Likewise.
8511         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
8512         SUBTARGET_ENCODE_SECTION_INFO.
8513
8514 2005-08-06  Richard Henderson  <rth@redhat.com>
8515
8516         PR 21894
8517         * tree-nested.c (convert_local_reference): Save and restore val_only
8518         around component_ref and friends.  Clear walk_subtrees by default.
8519
8520 2005-08-06  Peter O'Gorman  <peter@pogma.com>
8521
8522         PR 21366
8523         * gcc.c (process_command): Check the argument to -b has a dash.
8524         * doc/invoke.texi: Update -b and -V docs.
8525
8526 2005-08-06  James E Wilson  <wilson@specifix.com>
8527
8528         * config/mips/cross64.h, config/mips/t-cross64: Delete.
8529
8530 2005-08-06  Michael Matz  <matz@suse.de>
8531
8532         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
8533         member only if only one insn is associated with the value.
8534
8535 2005-08-06  Nick Clifton  <nickc@redhat.com>
8536
8537         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
8538         New define.
8539         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
8540         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
8541         Check symbol flags instead of symbol name mangling.
8542         (xstormy16_asm_output_aligned_common): Likewise.  Also
8543         simplify code since the bss100_section cass is the only case
8544         where the below100 code will be triggered.
8545         (xstormy16_encode_section_info): Encode below100 attribute
8546         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
8547         the name.
8548         (xstormy16_strip_name_encoding): Delete - this function is no
8549         longer needed.
8550         (TARGET_STRIP_NAME_ENCODING): Undefine.
8551         * config/stormy16/stormy16-protos.h: Delete prototype for
8552         xstormy16_strip_name_encoding.
8553
8554 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
8555
8556         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
8557         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
8558         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
8559         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
8560         config/alpha/predicates.md, config/arc/arc.h,
8561         config/arm/arm.h, config/arm/ieee754-df.S,
8562         config/arm/ieee754-sf.S, config/bfin/bfin.c,
8563         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
8564         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
8565         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
8566         config/m68hc11/m68hc11.h, config/mips/mips.c,
8567         config/mips/mips.h, config/mips/openbsd.h,
8568         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
8569         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
8570         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
8571         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8572         config/sparc/linux.h, config/sparc/linux64.h,
8573         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
8574         doc/extend.texi, doc/gcov.texi, doc/install.texi,
8575         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
8576         typos.  Follow spelling conventions.
8577
8578 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
8579
8580         PR c/23113
8581         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
8582         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
8583         specially.  Check for side effects only for COND_EXPR.
8584         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
8585         return with TREE_NO_WARNING.
8586
8587 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
8588
8589         PR rtl-optimization/23233
8590         * loop.c (combine_movables): Require the modes to be the same.
8591         (move_movables): Remove handling of cases where the replacement
8592         had a different mode to the original.
8593
8594 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
8595
8596         PR tree-optimization/23128
8597         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
8598         subtraction wrap, and set TREE_OVERFLOW if they do.
8599
8600 2005-08-05  Richard Henderson  <rth@redhat.com>
8601
8602         PR 21728
8603         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
8604         FORCED_LABEL labels.
8605
8606 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
8607
8608         PR middle-end/23135
8609         * reload.c (find_reloads_subreg_address): Pass down TYPE
8610         unchanged.  Change all callers except find_reloads_toplev.
8611
8612 2005-08-05  Michael Matz  <matz@suse.de>
8613
8614         * genattrtab.c (current_alternative_string): Remove.
8615         (SIMPLIFY_ALTERNATIVE): Ditto.
8616         (attr_alt_bit_p): Ditto.
8617         (alternative_name): Make const char *.
8618         (evaluate_eq_attr): Remove use of above things.
8619         (simplify_test_exp): Ditto.
8620         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
8621         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
8622
8623 2005-08-04  James E Wilson  <wilson@specifix.com>
8624
8625         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
8626         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
8627         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
8628         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
8629         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
8630
8631 2005-08-04  Richard Henderson  <rth@redhat.com>
8632
8633         PR 21529
8634         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
8635         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
8636         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
8637         if we'd have to instantiate too many members.
8638
8639 2005-08-04  Richard Henderson  <rth@redhat.com>
8640
8641         PR 21291
8642         * tree-outof-ssa.c (coalesce_asm_operands): New.
8643         (coalesce_ssa_name): Use it.  Split out ...
8644         (coalesce_phi_operands, coalesce_result_decls): ... these.
8645
8646 2005-08-04  Paul Brook  <paul@codesourcery.com>
8647
8648         * read-rtl.c (read_quoted_string): Break if EOF.
8649
8650 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
8651
8652         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
8653         (fold_build2): Likewise.
8654         (fold_build3): Likewise.
8655         (fold_build1_stat): New function prototype.
8656         (fold_build2_stat): Likewise.
8657         (fold_build3_stat): Likewise.
8658         * fold-const.c (fold_build1): Rename to ..
8659         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8660         through to build1_stat.
8661         (fold_build2): Rename to ..
8662         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8663         through to build2_stat.
8664         (fold_build3): Rename to ..
8665         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
8666         through to build3_stat.
8667
8668 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
8669             Ian Lance Taylor  <ian@airs.com>
8670
8671         * function.c (assign_stack_local_1): Do not correct stack slot
8672         address if allocation size is smaller than mode size.
8673
8674 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
8675
8676         PR 22037
8677         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
8678         (tree_merge_blocks): Propagate anything allowed by
8679         may_propagate_copy.
8680         Clarify documentation.
8681         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
8682         SSA form, schedule an update if necessary.
8683
8684 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
8685
8686         * doc/install.texi (Binaries): Remove broken link to
8687         Sinix/Reliant Unix binaries.
8688
8689 2005-08-03  Richard Henderson  <rth@redhat.com>
8690
8691         PR 23221
8692         * function.c (stack_protect_epilogue): Export.
8693         * tree.h (stack_protect_epilogue): Declare.
8694         * calls.c (expand_call): Call it.
8695
8696 2005-08-03  Eric Christopher  <echristo@apple.com>
8697
8698         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
8699         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
8700         spec.
8701
8702 2005-08-04  Jan Hubicka  <jh@suse.cz>
8703
8704         * profile.c (branch_prob): Split edges with goto locus on them
8705         to get proper line counts.
8706         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
8707
8708 2005-08-03  Paul Brook  <paul@codesourcery.com>
8709
8710         * function.c (assign_parms): Round current_function_args_size
8711         to PARM_BOUNDARY, not STACK_BOUNDARY.
8712
8713 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
8714
8715         * config/i386/i386.c (x86_elf_aligned_common)
8716         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
8717
8718 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
8719
8720         PR tree-optimization/23157
8721         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
8722         before emitting them.
8723
8724 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8725
8726         PR tree-optimization/19899
8727         * Makefile.in (tree-scalar-evolution.o): Add real.h.
8728         * tree-scalar-evolution.c: Include real.h.
8729         (add_to_evolution): Build constant -1 of correct type.
8730
8731 2005-08-03  Jan Hubicka  <jh@suse.cz>
8732
8733         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
8734         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
8735         profile updating for complette unrolling.
8736         * loop-unroll.c (peel_loop_completely): Use it.
8737         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
8738         (tree_unroll_loops_completely): Disable code growing unrolling of cold
8739         loops.
8740
8741 2005-08-03  Paul Brook  <paul@codesourcery.com>
8742
8743         * combine.c (can_change_dest_mode): New function.
8744         (try_combine, simplify_set): Use it.
8745
8746 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
8747
8748         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
8749         TFmode to BLKmode.
8750
8751 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
8752
8753         * doc/install.texi (Specific): Adjust link to openavr.org.
8754         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
8755         (Binaries): Adjust HP-UX Porting Center link.
8756         (Binaries): Adjust Free Software Foundation ordering link.
8757
8758 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
8759
8760         * convert.c (convert_to_integer): Use fold_build1 instead of
8761         build1 when converting an integer to an integer.
8762
8763 2005-08-02  Richard Henderson  <rth@redhat.com>
8764
8765         * combine.c (combine_instructions): Don't use reg_equal/equiv
8766         results if the mode doesn't match.
8767
8768 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
8769
8770         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
8771         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
8772
8773 2005-08-02  Richard Henderson  <rth@redhat.com>
8774
8775         PR 23196
8776         * explow.c (memory_address): Remove special-case for
8777         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
8778
8779 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
8780
8781         PR 23164
8782         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
8783         number of calls to cleanup_tree_cfg_1.
8784
8785 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
8786
8787         * doc/invoke.texi: document file extensions .F90 and .F95
8788
8789 2005-08-02  Richard Guenther  <rguenther@suse.de>
8790
8791         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
8792         positive if its first argument is positive.
8793
8794 2005-08-02  Richard Guenther  <rguenther@suse.de>
8795
8796         PR tree-optimization/23177
8797         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
8798         on TMR_TAG.
8799
8800 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
8801
8802         PR tree-optimization/23129
8803         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
8804         varying for divisions with anti-ranges.
8805
8806 2005-08-02  Jan Hubicka  <jh@suse.cz>
8807
8808         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
8809         * tree-ssa-threadupdate.c (thread_block): Add it here.
8810
8811 2005-08-01  James E Wilson  <wilson@specifix.com>
8812
8813         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
8814         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
8815         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
8816         New.
8817         * config/mips/predicates.md (const_call_insn_operand): Add check for
8818         SYMBOL_REF_LONG_CALL_P.
8819         * doc/extend.texi (long_call): Document the new attribute.
8820
8821 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8822             Richard Henderson  <rth@redhat.com>
8823
8824         * Makefile.in (RTL_BASE_H): Add real.h.
8825         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
8826         instead of memcpy.
8827         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
8828         directly.
8829         * rtl.c (rtl_check_failed_code_mode): New.
8830         * rtl.h (struct rtx_def): Add u.rv.
8831         (XCMWINT, XCNMPRV): New.
8832         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
8833         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
8834
8835 2005-08-01  Richard Henderson  <rth@redhat.com>
8836
8837         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
8838         with auto-inc codes.
8839
8840         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
8841
8842 2005-08-01  Jan Hubicka  <jh@suse.cz>
8843
8844         * i386-protos.h (asm_preferred_eh_data_format): Declare.
8845         * i386.c: Include dwarf2.h
8846         (asm_preferred_eh_data_format): New.
8847         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
8848
8849 2005-08-01  Ian Lance Taylor  <ian@airs.com>
8850
8851         * config/host-linux.c (linux_gt_pch_get_address): Add new name
8852         randomize_va_space for virtual address randomization control.
8853
8854 2005-08-01  Steven Bosscher  <stevenb@suse.de>
8855
8856         * common.opt (flag_ipa_cp): Put in right place to maintain
8857         alphabetic sort.
8858
8859 2005-08-01  Jan Hubicka  <jh@suse.cz>
8860
8861         * profile.c (compute_value_histograms): Fix thinko.
8862         * value-prof.c: Include toplev.h
8863         (check_counter): New function.
8864         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
8865         tree_mod_subtract_transform): Add sanity check.
8866
8867 2005-08-01  Richard Guenther  <rguenther@suse.de>
8868
8869         PR tree-optimization/23133
8870         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
8871         current functions parameter decls to find defs to cse
8872         reciprocals of.
8873
8874 2005-08-01  Richard Guenther  <rguenther@suse.de>
8875
8876         PR tree-optimization/23109
8877         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
8878         If trapping math is in effect, use post-dominator information
8879         to check if we'd in any case reach a trapping point before
8880         doing the reciprocal insertion.
8881         (execute_cse_reciprocals): Compute post-dominators, if necessary.
8882         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
8883         expressions are invariant only if trapping math is not in effect.
8884
8885 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8886
8887         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
8888         cgraph_function_versioning): New declarations.
8889         * cgraphunit.c: Add include to ipa-prop.h.
8890         (update_call_expr, cgraph_copy_node_for_versioning,
8891         cgraph_function_versioning): New functions.
8892         * integrate.c (copy_decl_for_inlining): Remove.
8893         * ipa-prop.h (ipa_replace_map): New struct.
8894         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
8895         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
8896         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
8897         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
8898         ipcp_iterate_stage, ipcp_method_scale_print,
8899         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
8900         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
8901         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
8902         ipcp_update_bb_counts, ipcp_update_profiling,
8903         ipcp_update_edges_counts): New functions.
8904         (ipcp_method_cval_init): Remove restriction regarding local methods.
8905         (ipcp_init_stage): Add ipcp_method_compute_scale.
8906         (ipcp_insert_stage): Add versioning.
8907         (ipcp_structures_print): Add ipcp_method_scale_print.
8908         (ipcp_driver): Dump profiling info.
8909         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
8910         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
8911         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
8912         (struct inline_data): Add versioning_p, ipa_info, new fields.
8913         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
8914         declare_return_variable): Replace calls to copy_decl_for_inlining with
8915         copy_decl_for_dup.
8916         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
8917         versioning support.
8918         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
8919         Add argument VERSIONING.
8920         (copy_arguments_for_versioning, copy_static_chain,
8921         function_versionable_p, tree_versionable_function_p,
8922         tree_function_versioning, replace_ref_tree): New functions.
8923         * tree-inline.h: Include varray.h.
8924         (tree_versionable_function_p,  tree_function_versioning,
8925         tree copy_decl_for_dup): New declarations.
8926
8927 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
8928
8929         * ipa-cp.c: New file. Contains IPCP specific functionality.
8930         * ipa-prop.h: New file. Contains structures/definitions that can be
8931         used by several interprocedural data flow optimizations (and also IPCP).
8932         * ipa-prop.c: New file.
8933         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
8934         * common.opt: Add ipa-cp flag.
8935         * timevar.def: Add IPCP optimization.
8936         * tree-optimize.c (init_tree_optimization_passes): Schedule
8937         pass_ipa_cp.
8938         * tree-pass.h (pass_ipa_cp): Declare.
8939
8940 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
8941
8942         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
8943         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
8944         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
8945         config/i386/i386.c, config/mips/mips.h,
8946         config/rs6000/rs6000.h, config/sh/sh.c,
8947         config/stormy16/stormy16.c: Fix comment typos.
8948
8949 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
8950
8951         PR c/22311
8952         * c-typeck.c (build_binary_op): Use common_type wrapper on
8953         shortened types.
8954         (common_type): Update comment.
8955
8956 2005-07-31  Steven Bosscher  <stevenb@suse.de>
8957
8958         PR target/23095
8959         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
8960         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
8961         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
8962
8963 2005-07-31  Jan Hubicka  <jh@suse.cz>
8964
8965         * pretty-print.h (pp_widest_integer): New macro.
8966         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
8967         counts.
8968
8969 2005-07-31  Jan Hubicka  <jh@suse.cz>
8970
8971         * output.h (enum section_category): Export from varasm.c
8972         (categorize_decl_for_section): Likewise.
8973         * varasm.c (enum section_category): Kill.
8974         (categorize_decl_for_section): Make global.
8975         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
8976         Declare.
8977         * i386.c (ix86_section_threshold): New static variable.
8978         (ix86_in_large_data_p, ix86_encode_section_info,
8979         x86_64_elf_unique_section,
8980         x86_64_elf_select_section): New functions.
8981         (TARGET_ENCODE_SECTION_INFO): Define
8982         (override_options): Enable medium model for PIC.
8983         (ix86_expand_prologue): Expand gen_set_got_rex64.
8984         (legitimate_constant_p): Handle new UNSPECs.
8985         (legitimate_pic_address_disp_p): Likewise.
8986         (legitimize_pic_address): Lower MEDIUM model addressing.
8987         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
8988         (enum cmodel): Add MEDIUM_PIC.
8989         (SYMBOL_REF_FAR_ADDR_P): New macro.
8990         (SYMBOL_FLAG_FAR_ADDR): New flag.
8991         * i386.md (movdi): Support medium model.
8992         (set_got_rex64): New pattern.
8993         * i386.opt (mlarge-data-threshold): New flag.
8994         * predicates.md (zext_operand/sext_operand): Deal with medium model.
8995         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
8996         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
8997         TARGET_ASM_UNIQUE_SECTION): New.
8998
8999         * invoke.texi (-mlarge_data_threshold): Document
9000
9001 2005-07-31  Jan Hubicka  <jh@suse.cz>
9002
9003         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9004         (coalesce_vars): Likewise.
9005         * tree-ssa-live.c (coalesce_cost): New.
9006         (build_tree_conflict_graph): Use coalesce_cost.
9007         * tree-ssa-live.h (coalesce_cost): Declare.
9008
9009 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9010
9011         * arm.md (all peepholes for post-increment operations): Delete.
9012         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9013         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9014         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9015         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9016         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9017
9018 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9019
9020         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9021         non-integral types.
9022
9023 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9024
9025         PR target/22582
9026         * doc/invoke.texi: Document -rdynamic.
9027
9028 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9029
9030         PR c/23143
9031         * c-parser.c (c_parser_parms_list_declarator): Call
9032         mark_forward_parm_decls.
9033         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9034         decls with visibility structure.
9035
9036 2005-07-30  Paul Brook  <paul@codesourcery.com>
9037
9038         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9039
9040 2005-07-30  Paul Brook  <paul@codesourcery.com>
9041
9042         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9043         prototype.
9044         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9045         value for mode.
9046         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9047
9048 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9049
9050         PR c/529
9051         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9052         nested function declarators.
9053         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9054         (grokparms): Call warn_if_shadowing for parameters used within the
9055         parameter list.
9056         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9057         not used within the parameter list.
9058         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9059
9060 2005-07-30  Jan Hubicka  <jh@suse.cz>
9061
9062         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9063         * i386.c (ix86_fixup_binary_operands): Likewise.
9064         (ix86_expand_unary_operator): Likewise.
9065         (ix86_expand_fp_absneg_operator): Likewise.
9066         * optabs.c (expand_vec_cond_expr): Validate dest.
9067
9068 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9069
9070         PR c/21720
9071         * real.c (real_from_string): Also set last bit if there is a
9072         nonzero hex digit beyond GCC's internal precision after ".".
9073
9074 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9075
9076         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9077         define_constants.  Change duplicate values to unassigned numbers.
9078         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9079         (*altivec_vspltsf): New.
9080         (altivec_vperm_v4sf): Delete.
9081         (altivec_vperm_<mode>): Use mode macro V.
9082         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9083         (altivec_predicate_v4sf): Delete.
9084         (altivec_predicate_<mode>): Use mode macro V.
9085         (*altivec_lvesfx): New.
9086         (*altivec_stvesfx): New.
9087         (vec_realign_load_v4sf): Delete.
9088         (vec_realign_load_<mode>): Use mode macro V.
9089         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9090         UNSPECV_SET_VRSAVE.
9091
9092 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9093
9094         PR bootstrap/23131
9095         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9096         string.
9097         * configure: Regenerated.
9098
9099 2005-07-29  Paul Brook  <paul@codesourcery.com>
9100
9101         * doc/install.texi: Add link to GFortran binaries wiki page.
9102
9103 2005-07-29  David Ung  <davidu@mips.com>
9104
9105         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9106         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9107         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9108         * config/mips/mips.md (cpu): Add 5kf name.
9109         (includes): Includes 5k.md.
9110         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9111         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9112         -march flag.
9113
9114 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9115
9116         PR 22550
9117         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9118         (cleanup_tree_cfg): ... here.
9119         Call cleanup_tree_cfg_1 until there are no more cleanups to
9120         do.
9121
9122 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9123
9124         * tree-vrp.c (compare_range_with_value): Return true or false
9125         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9126         EQ_EXPR respectively.
9127
9128 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9129
9130         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9131         Fix comment typos.
9132
9133 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9134
9135         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9136         (tree_ssa_dominator_optimize): Increment it.
9137         (dump_dominator_optimization_stats): Print it.
9138
9139 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9140             Steven Bosscher  <stevenb@suse.de>
9141
9142         PR rtl-optimization/23117
9143         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9144         when head == tail.  Tidy comment.
9145
9146 2005-07-28  Richard Henderson  <rth@redhat.com>
9147
9148         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9149         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9150         * jump.c (rtx_renumbered_equal_p): Likewise.
9151         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9152         CONST_INT and CONST_DOUBLE.
9153         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9154         * reload.c (operands_match_p): Special case CONST_INT and
9155         CONST_DOUBLE; check mode earlier.
9156
9157 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9158
9159         PR c/22240
9160         * c-typeck.c (convert_for_assignment): Do not check
9161         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9162
9163 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9164
9165         PR c/22192
9166         * c-typeck.c (composite_type): Prefer constant size arrays to
9167         VLAs.
9168
9169 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9170
9171         PR c/21720
9172         * real.c (real_from_string): Set last bit if there is a nonzero
9173         hex digit beyond GCC's internal precision.
9174
9175 2005-07-28  Richard Henderson  <rth@redhat.com>
9176
9177         PR rtl-opt/22619
9178         * cfgcleanup.c (try_forward_edges): Watch out for end of
9179         insn chain.
9180
9181 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9182
9183         PR c/23106
9184         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9185
9186 2005-07-28  Jan Hubicka  <jh@suse.cz>
9187
9188         * Makefile.in (rtl-profile.o): Kill all traces of it.
9189         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9190         * coverage.h (rtl_coverage_counter_ref): Kill.
9191         * opts.c (flag_speculative_prefetching_set): Kill.
9192         (flag_loop_optimize_set): New.
9193         (common_handle_option): Disable loop optimizer when profiling;
9194         do not handle speculative prefetching.
9195         * passes.c (init_optimization_passes): Replace pass_profiling combo
9196         by branch_prob pass.
9197         * profile.c (compute_value_histograms): Update for simplified value
9198         profiles.
9199         (rtl_register_profile_hooks): Kill.
9200         (pass_profiling): Kill.
9201         (rest_of_handle_branch_prob): Do not profile.
9202         * toplev.c (process_options): Remove speculative prefetching.
9203         * toplev.h (flag_tree_based_profiling): Kill.
9204         * tree-profile.c (prepare_instrumented_value,
9205         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9206         tree_gen_one_value_profiler, do_tree_profiling): Update for
9207         simplified datastructures.
9208         * value-prof.c: Add comment that speculative prefetching was dropped;
9209         update rest of file for simplified datastructures.
9210         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9211         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9212         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9213         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9214         rtl_mod_subtract, gen_speculative_prefetch,
9215         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9216         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9217         (gate_handle_value_profile_transformations,
9218         rest_of_handle_value_profile_transformations,
9219         pass_value_profile_transformations): Kill.
9220         * value-prof.h (histogram_value_t): Remove IL based unions.
9221         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9222         rtl_profile_hooks): Remove hooks.
9223
9224         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9225
9226         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9227         (cgraph_clone_node): Likewise.
9228         * cgraph.h (cgraph_clone_edge): Update prototype.
9229         (cgraph_clone_node): Likewise.
9230         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9231         cgraph_clone_node.
9232         (lookup_recursive_calls): Consider profile.
9233         (cgraph_decide_recursive_inlining): Fix updating; use new
9234         probability argument; use profile.
9235         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9236         * tree-inline.c (copy_bb): Update clal of clone_edge.
9237         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9238
9239         * invoke.texi (min-inline-recursive-probability): Document.
9240
9241 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9242
9243         * doc/install.texi (Configuration): Update Valgrind homepage.
9244
9245 2005-07-28  Richard Henderson  <rth@redhat.com>
9246
9247         PR middle-end/21362
9248         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9249         labels we want to delete.
9250         (cfg_layout_merge_blocks): Likewise.
9251
9252 2005-07-28  Richard Henderson  <rth@redhat.com>
9253
9254         PR target/17692
9255         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9256         when expanding to nothing.
9257
9258 2005-07-28  Josh Conner  <jconner@apple.com>
9259
9260         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9261         (cgraph_decide_inlining_of_small_functions): Likewise.
9262
9263 2005-07-28  Josh Conner  <jconner@apple.com>
9264
9265         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9266         direction of badness if negative.
9267         (cgraph_default_inline_p): Add reason to parameters, and assign it
9268         a value.
9269         (cgraph_decide_inlining_of_small_functions): New parameter in call
9270         to cgraph_default_inline_p.
9271         (cgraph_decide_inlining_incrementally): Likewise.
9272         * cgraphunit.c (decide_is_function_needed): Likewise.
9273         * cgraph.h (cgraph_default_inline_p): Likewise.
9274
9275 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9276
9277         * builtins.c: Fix comment typo(s).
9278         * genautomata.c: Likewise.
9279         * gimplify.c: Likewise.
9280         * tree-dfa.c: Likewise.
9281         * tree-flow-inline.h: Likewise.
9282         * tree-into-ssa.c: Likewise.
9283         * tree-ssa-alias.c: Likewise.
9284         * tree-ssa-ccp.c: Likewise.
9285         * tree-ssa-copy.c: Likewise.
9286         * tree-ssa-dce.c: Likewise.
9287         * tree-ssa-dom.c: Likewise.
9288         * tree-ssa-operands.c: Likewise.
9289         * tree-tailcall.c: Likewise.
9290         * tree-vectorizer.c: Likewise.
9291         * tree-vrp.c: Likewise.
9292         * tree.c: Likewise.
9293
9294 2005-07-28  Jeff Law  <law@redhat.com>
9295
9296         * tree-vrp.c (test_for_singularity): Extracted from  ...
9297         (simplify_cond_using_ranges): Attempt to simplify a relational
9298         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9299
9300 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9301
9302         PR tree-optimization/22506
9303         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9304         phis whose argument is constant.
9305
9306 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9307
9308         PR rtl-optimization/18992
9309         Back out this patch:
9310           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9311           PR optimization/12142
9312           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9313           uses of the register in the SET_SRC.  Remove unnecessary argument.
9314
9315         Replace it with this:
9316         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9317         if flag_non_call_exceptions is set and the insn may trap, pass
9318         pc_rtx as dest for recursion.
9319         In SET_SRC part of SET case, if dest is already set, pass it down
9320         unchanged.
9321
9322 2005-07-28  Jan Hubicka  <jh@suse.cz>
9323
9324         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9325         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9326         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9327         roundoff errors.
9328         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9329         profile when available.
9330
9331 2005-07-28  Jan Beulich <jbeulich@novell.com>
9332
9333         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9334         (ia64_print_operand): Describe and handle 'X'.
9335         (ia64_register_move_cost): Also handle FP_REGS.
9336         (ia64_preferred_reload_class): Likewise.
9337         (ia64_secondary_reload_class): Likewise.
9338         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
9339         it. Also check for ITANIUM_CLASS_FLDP.
9340         * config/ia64/ia64.h (FP_REGNO_P): New.
9341         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
9342         (reg_class): Add FP_REGS.
9343         (REG_CLASS_NAMES): Adjust for it.
9344         (REG_CLASS_CONTENTS): Likewise.
9345         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
9346         (REG_CLASS_FROM_LETTER): Handle 'x'.
9347         (CLASS_MAX_NREGS): Handle FP_REGS.
9348         (MEMORY_MOVE_COST): Likewise.
9349         * config/ia64/ia64.md (itanium_class): Add fldp.
9350         (type): Handle fldp.
9351         (movti_internal): More allowable operand combinations. Use ldfp8 when
9352         splitting unnecessary. Remove predicable attribute. Adjust
9353         itanium_class attribute.
9354         (smuldi3_highpart): Remove outdated comment.
9355         (mulditi3, umulditi3, rotlti3): New expanders.
9356         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
9357         (absti2): Disabled new insn for future reference.
9358         Respective new splitters.
9359         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
9360         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
9361         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
9362
9363 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
9364
9365         PR rtl-optimization/23047
9366         * simplify-rtx.c (simplify_const_relational_operation): Respect
9367         flag_wrapv for comparisons with ABS.
9368
9369 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
9370
9371         PR tree-optimization/22493
9372         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
9373         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
9374
9375 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
9376
9377         * config/frv/frv.opt (moptimize-membar): New.
9378
9379         * doc/invoke.texi: Document -moptimize-membar and its inverse.
9380
9381         * config/frv/frv.h: Remove machine_function definition.
9382
9383         * config/frv/frv.c (struct frv_io): New.
9384         (struct machine_function): Moved from frv.h.  Add has_membar_p.
9385         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
9386         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
9387         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
9388         (frv_optimize_membar_global, frv_optimize_membar): New functions.
9389         (frv_reorg): Call frv_optimize_membar when appropriate.
9390         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
9391         (frv_expand_builtin): Adjust calls accordingly.
9392         (frv_io_address_cookie): New function.
9393         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
9394         load or store rather than a special insn.  Add ccnstant address and
9395         io-type operands to the membar.
9396         (frv_ifcvt_modify_tests): Unsign regno.
9397         (frv_ifcvt_modify_tests): Same.
9398
9399         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
9400         UNSPEC_OPTIONAL_MEMBAR constant.
9401         (builtin_read_<mode>): Delete.
9402         (builtin_write_<mode>): Delete.
9403         ("optional_membar_<mode>"): Add operand.
9404
9405         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
9406         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
9407         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
9408         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
9409         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
9410         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
9411         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
9412         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
9413         * testsuite/gcc.target/frv/all-read-write-1.c: New.
9414
9415 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9416
9417         * df.c (df_uses_record): Handle SCRATCH.
9418
9419 2005-07-28  Steven Bosscher  <stevenb@suse.de>
9420
9421         PR debug/20161
9422         * passes.c (rest_of_decl_compilation): If decl is a type and
9423         we have encountered errors, don't emit debug information.
9424
9425 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
9426
9427         * params.def: Fixed comment.
9428
9429 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
9430
9431         PR target/19885
9432         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
9433         (TARGET_ASM_UNALIGNED_HI_OP): Add.
9434         (TARGET_ASM_UNALIGNED_SI_OP): Add.
9435
9436 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9437
9438         PR c++/22003
9439         * varasm.c (assemble_start_function): Don't do anything that may
9440         require a CFG if the current function is a thunk.
9441
9442 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
9443
9444         * doc/install.texi (Prerequisites): Mention that perl is needed
9445         to do export control in libstdc++ targetting Darwin.
9446
9447 2005-07-27  Steven Bosscher  <stevenb@suse.de>
9448
9449         PR rtl-optimization/17808
9450         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
9451         (sched_insns_conditions_mutex_p): Split out from...
9452         (add_dependence): ...here.  But don't call it from here.
9453         (add_dependence_list): Check sched_insns_conditions_mutex_p
9454         before calling add_dependence.
9455         (add_dependence_list_and_free): Likewise.
9456         (fixup_sched_groups): Likewise.
9457         (sched_analyze_1): Likewise.
9458         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
9459         (sched_analyze): Likewise.
9460         (sched_analyze_insn): Likewise.
9461         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
9462         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
9463         dependencies on all COND_EXEC insns to jumps ending basic blocks
9464         when doing intrablock scheduling.
9465         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
9466
9467 2005-07-27  Jeff Law  <law@redhat.com>
9468
9469         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
9470         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
9471         equivalency sets, correctly handle the case were vr0 has an
9472         equivalency set, but vr1 does not.
9473
9474 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
9475
9476         PR tree-optimization/23073
9477         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
9478         vect_print_dump_info before fprintf.
9479
9480 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9481
9482         PR tree-optimize/22348
9483         * tree-ssa-loop-niter.c (number_of_iterations_cond):
9484         Fold the partial computation.
9485
9486 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9487
9488         PR tree-optimization/22325
9489         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
9490         Declare.
9491         * tree-scalar-evolution.c (scev_const_prop): Add generic final
9492         value replacement.
9493         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
9494         (force_var_cost): ... this function.
9495         (compute_phi_arg_on_exit): Export.
9496
9497 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
9498
9499         PR tree-optimization/20773
9500         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
9501         edge.
9502
9503 2005-07-27  Richard Guenther  <rguenther@suse.de>
9504
9505         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
9506         Avoid pushing again if current struct contains only
9507         fields we decomposed.
9508
9509 2005-07-27  Jan Hubicka  <jh@suse.cz>
9510
9511         PR tree-optimization/22574
9512         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
9513         not available.
9514
9515         * tree-tailcall.c (decrease_profile): New function.
9516         (eliminate_tail_call): Use it.
9517
9518         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
9519         visibility flags correctly in whole program mode.
9520
9521 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
9522
9523         PR rtl-optimization/22472
9524         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
9525
9526 2005-07-26  Steven Bosscher  <stevenb@suse.de>
9527
9528         PR tree-optimization/22504
9529         * tree-complex.c (expand_complex_addition): Use 'code' instead
9530         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
9531
9532 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9533
9534         * config.gcc (cpu_type): Add frv case.
9535         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
9536         (supported_defaults): Add fr550 case.
9537
9538 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
9539
9540         PR 22591
9541         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
9542         whether a pointer of type T * may point to objects of type T *.
9543
9544 2005-07-26  DJ Delorie  <dj@redhat.com>
9545
9546         * configure: Regenerate.
9547
9548 2005-07-26  Dale Johannesen  <dalej@apple.com>
9549
9550         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
9551
9552 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
9553
9554         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
9555         Clarify use of "build" in name.
9556
9557 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
9558
9559         * doc/extend.texi (Raw read/write Functions): New section.
9560         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
9561         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
9562         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
9563         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
9564         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
9565         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
9566         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
9567         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
9568         * config/frv/frv.c: Add bdesc_loads global.
9569         Add bdesc_stores global.
9570         (frv_init_builtins): Add support for __builtin_{read/write}*.
9571         (frv_volatile_memref): New.
9572         (frv_expand_load_builtin): New.
9573         (frv_expand_store_builtin): New.
9574         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
9575         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
9576         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
9577         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
9578         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
9579         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
9580         (builtin_read_<mode>): New.
9581         (builtin_write_<mode>): New.
9582         (builtin_write64): New.
9583         (optional_membar_<mode>): New.
9584
9585 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
9586
9587         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
9588         (rather than units) against HOST_BITS_PER_WIDE_INT.
9589
9590 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
9591
9592         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
9593         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
9594         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
9595         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
9596         FSF address.
9597
9598         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
9599         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
9600         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
9601         comment typos.
9602         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
9603
9604 2005-07-26  Richard Guenther  <rguenther@suse.de>
9605
9606         PR tree-optimization/22486
9607         * fold-const.c (fold_unary): Fold away useless component
9608         references of the form (T *)&T.x, if the address
9609         doesn't change.
9610
9611 2005-07-25  James E Wilson  <wilson@specifixinc.com>
9612
9613         * dwarf2out.c (add_call_src_coords_attributes): New.
9614         (gen_inlined_subroutine_die): Call it.
9615         (maybe_emit_file, init_file_table): Add comments.
9616         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
9617         maybe_emit_file.
9618         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
9619         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
9620         * tree.h (BLOCK_SOURCE_LOCATION): New.
9621         (struct tree_block): New field locus.
9622
9623 2005-07-26  Andreas Schwab  <schwab@suse.de>
9624
9625         PR rtl-optimization/23043
9626         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
9627         when allocating a struct unoccr.
9628
9629 2005-07-25  Richard Henderson  <rth@redhat.com>
9630
9631         PR 22626
9632         * tree-complex.c (gate_no_optimization): True if errors.
9633         * Makefile.in (tree-complex.o): Update dependencies.
9634
9635 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
9636
9637         * config/frv/predicates.md (integer_register_operand): Use
9638         GPR_AP_OR_PSEUDO_P.
9639
9640 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9641
9642         PR tree-opt/22484
9643         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
9644         after fold.
9645         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
9646
9647 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
9648
9649         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
9650         types when flag_unsafe_math_optimizations is true.
9651
9652 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
9653
9654         * gcc.c (option_map): Add --sysroot.
9655         (process_command): Handle --sysroot.
9656         (display_help): Document it.
9657         * doc/cppopts.tex (-isysroot): Document.
9658         * doc/invoke.texi (--sysroot): Document.
9659         * doc/install.texi (--with-build-sysroot): Document.
9660
9661         * Makefile.in (inhibit_libc): New variable.
9662         (INHIBIT_LIBC_CFLAGS): Likewise.
9663         (LIBGCC2_CFLAGS): Include
9664         $(INHIBIT_LIBC_CFLAGS).
9665         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
9666         ($(T)crtbegin.o): Do not use @inhibit_libc@.
9667         ($(T)crtend.o): Likewise.
9668         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
9669         ($(T)crtendS.o): Likewise.
9670         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
9671         ($(T)crtendT.o): Likewise.
9672         (stmp-fixinc): Do not complain about missing headers if
9673         inhibit_libc.
9674         * configure.ac (inhibit_libc): Set it to true/false.
9675         (--with-build-sysroot): New option.  Use it to set
9676         SYSTEM_HEADER_DIR.
9677         * configure: Regenerated.
9678
9679 2005-07-25  Manfred Hollstein  <mh@suse.com>
9680
9681         * calls.c (store_one_arg): Fix unsigned comparison warning.
9682
9683 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
9684
9685         PR other/22337
9686         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
9687         (ggc_print_statistics): Initialize variable before use.
9688
9689 2005-07-25  Richard Guenther  <rguenther@suse.de>
9690
9691         * tree-dfa.c (mark_new_vars_to_rename): Protect against
9692         calling with a PHI_NODE argument.
9693
9694         * tree-flow-inline.h (overlap_subvar): Protect against
9695         possible overflow.
9696
9697 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
9698
9699         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
9700         * configure: Regenerate.
9701
9702 2005-07-25  Ira Rosen  <irar@il.ibm.com>
9703
9704         * expr.c (highest_pow2_factor): Make extern.
9705         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
9706         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
9707         record_array_differ_p, array_ptr_differ_p): Likewise.
9708         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
9709         additional cases. Call the above functions.
9710         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
9711         base_object_differ_p when there are two base objects. Otherwise, compare
9712         base address and offset. Call may_alias_p.
9713         (dump_data_reference): Use a correct field name.
9714         (analyze_array): Make static. Initialize new data-ref fields.
9715         (analyze_indirect_ref): New function.
9716         (init_data_ref): Initialize new data-ref fields.
9717         (strip_conversion): Moved from tree-vect-analyze.c.
9718         (analyze_offset_expr, get_ptr_offset, address_analysis,
9719         object_analysis): Likewise.
9720         (analyze_offset): New function.
9721         (create_data_ref): Likewise.
9722         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
9723         dimensions for ARRAY_REFs only.
9724         (build_classic_dist_vector): Make static.
9725         (access_functions_are_affine_or_constant_p): Call macro to get the
9726         address of access functions.
9727         (compute_all_dependences): Add new parameter
9728         compute_self_and_read_read_dependences. Compute self and read-read
9729         dependences if it is true.
9730         (find_data_references_in_loop): Call create_data_ref. Initialize new
9731         data-ref fields.
9732         (compute_data_dependences_for_loop): Add new parameter
9733         compute_self_and_read_read_dependences. Remove parameter nb_loops,
9734         compute nb_loops. Call compute_all_dependences,
9735         build_classic_dist_vector and build_classic_dir_vector with correct
9736         parameters.
9737         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
9738         with correct parameters. Compare dimensions for ARRAY_REFs only.
9739         (free_data_refs): Call macro to free access functions.
9740         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
9741         fields from stmt_vinfo.
9742         (struct base_object_info): New structure.
9743         (struct data_reference): Move fields to base_object_info. Add fields
9744         first_location and object_info for above structures. Move fields from
9745         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
9746         aligned_to.  Add macros to access the new fields.
9747         Update functions declarations.
9748         * tree-flow.h (is_aliased_with): Declare.
9749         * tree-loop-linear.c (linear_transform_loops): Call
9750         compute_data_dependences_for_loop with correct parameters.
9751         * tree-ssa-alias.c (is_aliased_with): New function.
9752         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
9753         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
9754         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
9755         vect_base_addr_differ_p, compute_subscript_distance and
9756         build_classic_dist_vector. Add printings. Check absolute value of
9757         distance.
9758         (vect_analyze_data_ref_dependences): Go through ddrs instead of
9759         data-refs.
9760         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
9761         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
9762         to bytes. Add printing.
9763         (vect_compute_data_refs_alignment): Go through loads and stores in one
9764         loop.
9765         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
9766         vect_analyze_data_ref_access): Likewise.
9767         (vect_analyze_pointer_ref_access): Remove.
9768         (vect_address_analysis, vect_object_analysis): Likewise.
9769         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
9770         and analyze data-refs in the loop.
9771         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
9772         fields of data-ref instead of stmt. Add init to the offset from the
9773         base.
9774         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
9775         (vect_update_init_of_dr): Likewise.
9776         (vect_update_inits_of_drs): Go through loads and stores in one loop.
9777         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
9778         removed fields.
9779         (new_loop_vec_info): Initialize new fields.
9780         (destroy_loop_vec_info): Free new fields.
9781         (vect_strip_conversion): Remove.
9782         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
9783         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
9784         datarefs. Add new field ddrs.
9785         Add macros for the new fields access.
9786         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
9787         base_aligned_p, misalignment, memtag, ptr_info and subvars.
9788         Remove their macros.
9789         * tree.h (highest_pow2_factor): Declare.
9790
9791 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
9792
9793         * calls.c (store_one_arg): Check for sibling call MEM arguments
9794         from already clobbered incoming argument area.
9795
9796 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9797
9798         * c-common.c (check_missing_format_attribute): New.
9799         * c-common.h (check_missing_format_attribute): Likewise.
9800         * c-typeck.c (convert_for_assignment): Use it.
9801
9802 2005-07-24  Andreas Schwab  <schwab@suse.de>
9803
9804         * config/m68k/m68k.md ("extendqidi2"): When source is an address
9805         register use a word move.  Correct operand of ext.w in 68000 code.
9806
9807 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
9808
9809         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
9810         variables as declarations, rather than definitions.
9811
9812 2005-07-24  Ira Rosen  <irar@il.ibm.com>
9813
9814         PR tree-optimization/22526
9815         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
9816         of the zero node.
9817
9818 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
9819
9820         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
9821         that C99 reserve for future use. Use it to define clog10,
9822         clog10f and clog10l.
9823
9824 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9825
9826         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
9827         * configure.ac: Check for -Wmissing-format-attribute.
9828
9829         * configure: Regenerate.
9830
9831 2005-07-23  Richard Henderson  <rth@redhat.com>
9832
9833         PR tree-optimization/22623
9834         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
9835
9836 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
9837
9838         PR target/22577
9839         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
9840
9841 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9842
9843         * Makefile.in (C_TREE_H): Update dependencies.
9844         * c-tree.h: Include toplev.h.
9845         * diagnostic.h (diagnostic_set_info): Add format attribute.
9846         * rtl-error.c (diagnostic_for_asm): Likewise.
9847
9848 2005-07-23  Chao-ying Fu  <fu@mips.com>
9849
9850         * config/mips/mips-dsp.md: New file.
9851         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
9852         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
9853         functions.
9854         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
9855         MIPS_BUILTIN_BPOSGE32.
9856         (mips_expand_builtin_direct): Add one parameter to indicate that
9857         builtin functions need to return a value.
9858         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
9859         functions.
9860         (mips_regno_to_class): Add classes for 12 new DSP registers.
9861         (mips_subword): Change to check four HI registers.
9862         (mips_output_move): Output move to and from 6 new DSP accumulators.
9863         (override_options): Make sure -mdsp and -mips16 are not used together.
9864         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
9865         for machine modes.
9866         (mips_conditional_register_usage): Disable 6 new DSP accumulators
9867         when !TARGET_DSP.
9868         (print_operand): Add 'q' for printing DSP accumulators.
9869         (mips_cannot_change_mode_class): Check ACC_REGS.
9870         (mips_secondary_reload_class): Check ACC_REGS.
9871         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
9872         (mips_register_move_cost): Check ACC_REGS.
9873         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
9874         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
9875         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
9876         (dsp_bdesc): New array.
9877         (bdesc_arrays): Add DSP builtin function table.
9878         (mips_prepare_builtin_arg): Check predicate again after
9879         copy_to_mode_reg.
9880         (mips_expand_builtin): Add one more parameter to
9881         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
9882         MIPS_BUILTIN_BPOSGE32.
9883         (mips_init_builtins): Initialize new function types.
9884         (mips_expand_builtin_direct): Check if builtin functions need to
9885         return a value and pass operands properly.
9886         (mips_expand_builtin_bposge): New function.
9887         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
9888         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
9889         (FIRST_PSEUDO_REGISTER): Increase to 188.
9890         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
9891         Update for 12 new DSP registers.
9892         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
9893         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
9894         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
9895         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
9896         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
9897         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
9898         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
9899         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
9900         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
9901         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
9902         (REGISTER_NAMES): Add names for 12 new DSP registers.
9903         * config/mips/mips.md: Include mips-dsp.md.
9904         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
9905         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
9906         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
9907         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
9908         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
9909         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
9910         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
9911         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
9912         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
9913         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
9914         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
9915         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
9916         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
9917         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
9918         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
9919         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
9920         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
9921         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
9922         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
9923         (UNSPEC_RDDSP): New constants.
9924         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
9925         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
9926         A<-d alternative.
9927         * config/mips/mips.opt (-mdsp): New option.
9928         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
9929         (reg_imm10_operand): New predicates.
9930         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
9931         * doc/invoke.texi (-mdsp): Document new option.
9932
9933 2005-07-22  DJ Delorie  <dj@redhat.com>
9934
9935         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
9936         to warning calls.
9937         * tree-inline.c (inlinable_function_p): Likewise.
9938
9939 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
9940
9941         PR debug/21828
9942         * toplev.c (check_global_declarations): Do not mark undefined
9943         variables as DECL_IGNORED_P.
9944         * varasm.c (first_global_object_name): GTY it.
9945         (weak_global_object_name): Likewise.
9946         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
9947         a string to go into {weak,first}_global_object_name.
9948
9949 2005-07-22  DJ Delorie  <dj@redhat.com>
9950
9951         * c-format.c (check_function_format): Change warning control
9952         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
9953
9954 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
9955
9956         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
9957         &PTR->FLD a dereference of PTR.
9958         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
9959         a potential dereference of PTR.
9960
9961 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
9962
9963         PR rtl-optimization/20370
9964         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
9965         call allocate_reg_info if necessary.
9966
9967         PR rtl-optimization/21848
9968         * calls.c (emit_library_call_value_1): For const functions, add
9969         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
9970
9971         PR rtl-optimization/22445
9972         * cselib.c (target.h): Include.
9973         (rtx_equal_for_cselib_p): Allow commutative matches.
9974         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
9975         Remove MODE parameter.  Changed all callers.
9976
9977         PR rtl-optimization/22258
9978         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
9979         New functions.
9980         (try_combine): Use likely_spilled_retval_p.
9981
9982 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
9983
9984         * config.gcc: Add crx-elf support.
9985
9986         * doc/contrib.texi: Mention crx.
9987         * doc/extend.texi: Document crx extensions.
9988         * doc/install.texi: Document crx install.
9989         * doc/invoke.texi: Document crx options.
9990         * doc/md.texi: Document crx constraints.
9991
9992         * config/crx/crx-protos.h: New file.
9993         * config/crx/crx.c: New file.
9994         * config/crx/crx.h: New file.
9995         * config/crx/crx.md: New file.
9996         * config/crx/crx.opt: New file.
9997         * config/crx/t-crx: New file.
9998
9999 2005-07-22  Manfred Hollstein  <mh@suse.com>
10000
10001         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10002         warnings.
10003         (int_add_graph_edge): Likewise.
10004         (collapse_nodes): Likewise.
10005         (process_unification_queue): Likewise.
10006
10007 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10008             Laurent GUERBY  <laurent@guerby.net>
10009
10010         PR tree-optimization/22336
10011         * function.c (record_block_change): Check for
10012         cfun->ib_boundaries_block.
10013
10014 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10015
10016         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10017         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10018
10019 2005-07-21  DJ Delorie  <dj@redhat.com>
10020
10021         * toplev.c (warn_deprecated_use): Add warning control to warning
10022         call.
10023         * c-typeck.c (parser_build_binary_op): Likewise.
10024         (c_finish_if_stmt): Likewise.
10025         * c-common.c (check_function_sentinel): Likewise.
10026         (check_nonnull_arg): Likewise.
10027
10028 2005-07-21  Richard Henderson  <rth@redhat.com>
10029
10030         PR tree-opt/22504
10031         * tree-complex.c (complex_ssa_name_components): New.
10032         (cvc_lookup): Allow entry not found.
10033         (create_components): Remove.
10034         (create_one_component_var, get_component_var): New.
10035         (get_component_ssa_name, set_component_ssa_name): New.
10036         (extract_component): Use get_component_ssa_name.
10037         (update_complex_components): Use set_component_ssa_name.
10038         (update_complex_components_on_edge): Likewise.
10039         (update_phi_components): Create new PHI nodes directly, instead
10040         of adding insns to edges.
10041         (tree_lower_complex): Allocate and free complex_variable_components
10042         and complex_ssa_name_components here.
10043
10044 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10045
10046         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10047         revert to returning false.
10048
10049 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10050
10051         PR target/21149
10052         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10053
10054 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10055
10056         PR target/22576
10057         * config/i386/i386.md (cmpxf): Change operand constraints
10058         to "nonmemory_operand".
10059
10060 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10061
10062         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10063
10064 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10065
10066         PR middle-end/21180
10067         * fold-const.c (fold_build1): Add checksum for the operands.
10068         (fold_build2): Likewise.
10069         (fold_build3): Likewise.
10070
10071 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10072
10073         PR middle-end/19055
10074         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10075
10076 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10077
10078         * common.opt (-fforward-propagate): Committed by mistake,
10079         removed.
10080
10081 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10082
10083         * reg-stack.c: Fix comment typo(s).
10084         * tree-ssa-operands.c: Likewise.
10085         * tree-vectorizer: Likewise.
10086
10087 2005-07-21  Nick Clifton  <nickc@redhat.com>
10088
10089         * config/sh/symbian.c: Replace C++ style line comments with C
10090         style line comments.
10091         (symbian_add_attribute): Do not use a ? operator on the LHS of
10092         an assignment.
10093         (sh_symbian_handle_dll_attribute): Change the type of the
10094         method vector to "VEC(tree,gc)*" and use vector accessor
10095         macros to walk over the elements.
10096         (symbian_export_vtable_and_rtti_p): Likewise.
10097         (symbian_class_needs_attribute_p): Likewise.
10098
10099 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10100
10101         PR target/22085
10102         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10103         initialize targetm.resolve_overloaded_builtin here.
10104         (altivec_expand_overloaded_builtin): Make it non-static.
10105         * config/rs6000/rs6000-protos.h
10106         (altivec_expand_overloaded_builtin): New prototype.
10107         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10108         targetm.resolve_overloaded_builtin here.
10109         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10110
10111 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10112             Zdenek Dvorak  <dvorakz@suse.cz>
10113
10114         PR tree-optimization/19210
10115         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10116         New.
10117         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10118         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10119         rely on unproven assumptions.
10120         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10121         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10122         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10123         to number_of_iterations_exit.
10124         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10125         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10126         * tree-ssa-loop-niter.c (find_loop_niter,
10127         estimate_numbers_of_iterations_loop): Likewise.
10128         (number_of_iterations_exit): Honor the new options.
10129         * doc/invoke.texi (Wunsafe-loop-optimizations,
10130         funsafe-loop-optimizations): Document them.
10131
10132 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10133
10134         PR rtl-optimization/22167
10135         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10136
10137 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10138
10139         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10140         __do_global_dtors_aux longcall.
10141
10142 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10143
10144         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10145         (old_special_pred_table): Don't reference
10146         SPECIAL_MODE_PREDICATES.
10147         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10148         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10149         * config/sh/predicates.h: Don't mention
10150         SPECIAL_MODE_PREDICATES.
10151         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10152         Remove.
10153
10154 2005-07-20  DJ Delorie  <dj@redhat.com>
10155
10156         * config.gcc: Add m32c-elf support.
10157
10158         * doc/contrib.texi: Mention m32c.
10159         * doc/extend.texi: Document m32c extensions.
10160         * doc/install.texi: Mention m32c.
10161         * doc/invoke.texi: Document m32c options.
10162         * doc/md.texi: Document m32c constraints.
10163
10164         * config/m32c/addsub.md: New file.
10165         * config/m32c/bitops.md: New file.
10166         * config/m32c/cond.md: New file.
10167         * config/m32c/jump.md: New file.
10168         * config/m32c/m32c-lib1.S: New file.
10169         * config/m32c/m32c-lib2.c: New file.
10170         * config/m32c/m32c-modes.def: New file.
10171         * config/m32c/m32c-pragma.c: New file.
10172         * config/m32c/m32c-protos.h: New file.
10173         * config/m32c/m32c.abi: New file.
10174         * config/m32c/m32c.c: New file.
10175         * config/m32c/m32c.h: New file.
10176         * config/m32c/m32c.md: New file.
10177         * config/m32c/m32c.opt: New file.
10178         * config/m32c/minmax.md: New file.
10179         * config/m32c/mov.md: New file.
10180         * config/m32c/muldiv.md: New file.
10181         * config/m32c/predicates.md: New file.
10182         * config/m32c/prologue.md: New file.
10183         * config/m32c/shift.md: New file.
10184         * config/m32c/t-m32c: New file.
10185
10186 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10187
10188         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10189         (stack_protect_set, stack_protect_test): New expanders.
10190         (stack_protect_set_si, stack_protect_set_si_media,
10191         stack_protect_set_di_media, stack_protect_test_si,
10192         stack_protect_test_si_media, stack_protect_test_di_media):
10193         New insns.
10194
10195 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10196
10197         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10198
10199 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10200
10201         * tree.h (tree_expr_nonzero_p): Export.
10202         * fold-const.c (tree_expr_nonzero_p): Likewise.
10203         Return true for CALL_EXPRs that are alloca calls.
10204         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10205         against zero.
10206         * tree-flow.h (expr_computes_nonzero): Remove.
10207         * tree-vrp.c (expr_computes_nonzero): Remove.
10208         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10209         (extract_range_from_unary_expr): Likewise.
10210         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10211         tree_expr_nonzero_p.
10212
10213 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10214
10215         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10216         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10217         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10218         All callers changed.
10219         (frame_related_constant_load): New arg "related" which controls
10220         setting of RTX_FRAME_RELATED_P.  All callers changed.
10221         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10222         (bfin_expand_prologue): Add stack limit checking.
10223         * config/bfin/bfin.md (trapifcc): New pattern.
10224
10225         * config/bfin/bfin.c: Include "langhooks.h".
10226         (def_builtin): Go through lang_hooks to call builtin_function.
10227
10228         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10229         * config/bfin/predicates.md (symbol_ref_operand): New.
10230         (call_insn_operand): Delete.  All callers changed to use
10231         register_no_elim_operand.
10232         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10233         call_cookie field.
10234         (function_arg): Use it to generate the call's operand 2.
10235         (bfin_longcall_p): New function.
10236         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10237         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10238         determine if the address needs to be in a REG.
10239         (bfin_handle_longcall_attribute): New function.
10240         (bfin_attribute_table): Add "longcall" and "shortcall".
10241         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10242         (CUMULATIVE_ARGS): New member call_cookie.
10243         (PREDICATE_CODES): Add symbol_ref_operand.
10244         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10245         extra USE to the pattern.
10246         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10247         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10248         sibcall_value_insn; now the new patterns handle direct calls and the
10249         old ones indirect calls.
10250         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10251
10252 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10253
10254         * doc/trouble.texi: Update section on handling of empty loops.
10255
10256 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10257
10258         * config.gcc: Remove support for sparc-*-openbsd*,
10259         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10260         ns32k-*-netbsd*.
10261         * config.host: Remove support for i860-*-sysv4* as a host.
10262         * config/i860/*, config/ip2k/*, config/ns32k/*,
10263         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10264         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10265         mention obsolete ports.
10266
10267 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10268
10269         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10270         soft frame pointer.
10271         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10272         of frame_pointer_rtx.
10273         (sh_expand_epilogue): Likewise.
10274         (sh_set_return_address): Likewise.
10275         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10276         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10277         offsets from FRAME_POINTER_REGNUM.
10278         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10279         (sh_register_names): Add initializer for sfp.
10280         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10281         (VALID_REGISTER_P): Likewise.
10282         (FIRST_PSEUDO_REGISTER): Update.
10283         (DWARF_FRAME_REGISTERS): Define.
10284         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10285         (HARD_FRAME_POINTER_REGNUM): Define.
10286         (FRAME_POINTER_REGNUM): Redefine.
10287         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10288         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10289         from FRAME_POINTER_REGNUM.
10290         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10291         FRAME_POINTER_REGNUM.
10292         (REG_CLASS_CONTENTS): Add sfp.
10293         (REG_ALLOC_ORDER): Likewise.
10294         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10295         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10296         of frame_pointer_rtx.
10297         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10298
10299 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10300
10301         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10302         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10303         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10304         of an ABS_EXPR.
10305         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10306         ABS_EXPR<x>.
10307
10308 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10309
10310         Make CONSTRUCTOR use VEC to store initializers.
10311         * c-common.c (complete_array_type): Update to cope with VEC in
10312         CONSTRUCTOR_ELTS.
10313         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10314         (pp_c_constructor_elts): New function.
10315         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10316         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10317         struct constructor_stack, struct initializer_stack,
10318         constructor_elements, push_init_level, pop_init_level,
10319         add_pending_init, find_init_member, output_init_element): Update to
10320         cope with VEC in CONSTRUCTOR_ELTS.
10321         * coverage.c (build_fn_info_value, build_ctr_info_value,
10322         build_gcov_info): Likewise.
10323         * expr.c (categorize_ctor_elements_1, store_constructor,
10324         expand_expr_real_1): Likewise.
10325         * fold-const.c (fold_ternary): Likewise.
10326         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10327         gimplify_init_constructor, gimplify_expr): Likewise.
10328         * tree-dump.c (dequeue_and_dump): Likewise.
10329         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10330         node.
10331         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10332         CONSTRUCTOR_ELTS.
10333         * tree-sra.c (generate_element_init_1): Likewise.
10334         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10335         * tree-ssa-operands.c (get_expr_operands): Likewise.
10336         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
10337         * tree-vect-transform.c (vect_get_vec_def_for_operand):
10338         (get_initial_def_for_reduction): Likewise.
10339         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
10340         value handle in annotations.
10341         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
10342         tree_node_structure): Add support for constr_kind.
10343         (build_vector_from_ctor, build_constructor_single,
10344         build_constructor_from_list): New functions.
10345         (build_constructor): Update to take a VEC instead of a TREE_LIST.
10346         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
10347         Update to cope with VEC in CONSTRUCTOR_ELTS.
10348         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
10349         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
10350         CONSTRUCTOR_APPEND_ELT): New macros.
10351         (struct constructor_elt, struct tree_constructor): New data types.
10352         (union tree_node): Add tree_constructor field.
10353         * treestruct.def: Define TS_CONSTRUCTOR.
10354         * varasm.c (const_hash_1, compare_constant, copy_constant,
10355         compute_reloc_for_constant, output_addressed_constants,
10356         initializer_constant_valid_p, output_constant,
10357         array_size_for_constructor, output_constructor): Update to cope with
10358         VEC in CONSTRUCTOR_ELTS.
10359         * vec.h (VEC_empty, VEC_copy): New macros.
10360
10361 2005-07-19  Devang Patel  <dpatel@apple.com>
10362
10363         * dbxout.c (dbxout_type): Check Objective-C++ lang.
10364
10365 2005-07-19  Richard Henderson  <rth@redhat.com>
10366
10367         PR tree-opt/22278
10368         * gimplify.c (gimplify_expr): Use main variant type for the temp
10369         destination for a discarded volatile read.
10370         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
10371         casts between non-void types that change volatility.
10372
10373 2005-07-15  DJ Delorie  <dj@redhat.com>
10374
10375         * toplev.h: Add comment about the first parameter for warning().
10376         * errors.h: Likewise.
10377
10378         * c.opt (Wpragmas): New.
10379         * doc/invoke.texi: Document it.
10380
10381         * function.c (do_warn_unused_parameter): Add warning control to
10382         warning call.
10383         * c-decl.c (warn_if_shadowing): Likewise.
10384         * c-lex.c (cb_def_pragma): Likewise.
10385         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
10386         (pop_alignment): Likewise.
10387         (handle_pragma_pack): Likewise.
10388         (apply_pragma_weak): Likewise.
10389         (handle_pragma_weak): Likewise.
10390         (handle_pragma_redefine_extname): Likewise.
10391         (add_to_renaming_pragma_list): Likewise.
10392         (handle_pragma_extern_prefix): Likewise.
10393         (maybe_apply_renaming_pragma): Likewise.
10394         (handle_pragma_visibility): Likewise.
10395
10396         * config/c4x/c4x-c.c (BAD): Likewise.
10397         (c4x_parse_pragma): Likewise.
10398         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
10399         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
10400         (rs6000_pragma_longcall): Likewise.
10401         * config/v850/v850-c.c (pop_data_area): Likewise.
10402         (ghs_pragma_section): Likewise.
10403         (ghs_pragma_section): Likewise.
10404         (ghs_pragma_interrupt): Likewise.
10405         (ghs_pragma_starttda): Likewise.
10406         (ghs_pragma_startsda): Likewise.
10407         (ghs_pragma_startzda): Likewise.
10408         (ghs_pragma_endtda): Likewise.
10409         (ghs_pragma_endsda): Likewise.
10410         (ghs_pragma_endzda): Likewise.
10411
10412 2005-07-19  Danny Berlin <dberlin@dberlin.org>
10413             Kenneth Zadeck <zadeck@naturalbridge.com>
10414
10415         * Makefile.in: Removed tree-promote-statics.c
10416         * tree-promote-statics.c: Removed.
10417         * common.opt: Removed flag-promote-statics.
10418         * opts.c: Ditto.
10419         * passes.c: Removed tree-promote-statics pass.
10420         * tree-pass.h: Ditto.
10421         * timevar.def: Removed TV_PROMOTE_STATICS.
10422
10423
10424 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
10425
10426         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
10427         and *-*-freebsd9.
10428         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
10429
10430 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10431
10432         PR c/22476
10433         * c-common.c (check_function_arguments): Call
10434         'check_function_format' if either -Wformat or
10435         -Wmissing-format-attribute are specified.
10436         * c-format.c (check_function_format): Check -Wformat before
10437         calling 'check_format_info'.
10438         * c-opts.c (c_common_post_options): Don't warn for
10439         -Wmissing-format-attribute without -Wformat.
10440         * c-typeck.c (convert_for_assignment): Detect additional cases for
10441         -Wmissing-format-attribute.
10442         * doc/invoke.texi (-Wmissing-format-attribute): Document new
10443         behavior.
10444
10445 2005-07-19  Richard Guenther  <rguenther@suse.de>
10446
10447         * config/i386/i386.md (lrint<mode>2): Use temporary
10448         instead of clobbering non-existent memory.
10449
10450 2005-07-19  Nick Clifton  <nickc@redhat.com>
10451
10452         * config/avr/avr.c (legitimate_address_p): Fix debugging print
10453         statement to avoid displaying ASCII control characters.
10454
10455 2005-07-19  Ben Elliston  <bje@au.ibm.com>
10456
10457         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
10458         * cfganal.c (find_edge_index): Ditto.
10459         * combine.c (combine_instructions): Ditto.
10460         * ddg.c (create_scc): Ditto.
10461         (find_successors): Ditto.
10462         (find_predecessors): Ditto.
10463         (find_nodes_on_paths): Ditto.
10464         (longest_simple_path): Ditto.
10465         * flow.c (update_life_info): Ditto.
10466         (count_or_remove_death_notes): Ditto.
10467         (clear_log_links): Ditto.
10468         * modulo-sched.c (generate_reg_moves): Ditto.
10469         (find_max_asap): Ditto.
10470         (find_max_hv_min_mob): Ditto.
10471         (find_max_dv_min_mob): Ditto.
10472         * sbitmap.c (sbitmap_first_set_bit): Ditto.
10473         * sched-rgn.c (extract_edgelst): Ditto.
10474         * tree-into-ssa.c (prepare_names_to_update): Ditto.
10475         (dump_update_ssa): Ditto.
10476         (ssa_names_to_replace) Ditto.
10477         (switch_virtuals_to_full_rewrite): Ditto.
10478         (update_ssa): Ditto.
10479         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
10480
10481 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
10482
10483         Fix PR tree-optimization/22483
10484
10485         * tree-complex.c (create_components): Use
10486         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
10487         * tree-flow-inline.h (fill_referenced_var_vec): New function.
10488         * tree-flow.h (safe_referenced_var_iterator): New structure.
10489         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
10490         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
10491         safe_referenced_var iterator.
10492         (add_type_alias): Ditto.
10493
10494 2005-07-19  Steven Bosscher  <stevenb@suse.de>
10495
10496         * loop-init.c (rest_of_handle_loop2): Remove.
10497         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
10498         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
10499         (pass_rtl_loop_init, pass_rtl_loop_done,
10500         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
10501         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
10502         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
10503         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
10504         pass_tree_loop_done, and pass_tree_unswitch.
10505         (gate_loop): Rename to gate_tree_loop.
10506         * passes.c (init_optimization_passes): Update for renamed tree
10507         loop passes.  Add the new loop2 passes as subpasses of loop2.
10508         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
10509         Update for the renamed tree loop passes.
10510
10511 2005-07-18  Ian Lance Taylor  <ian@airs.com>
10512
10513         PR middle-end/22057
10514         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
10515         blocks when optimizing.
10516
10517 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
10518
10519         * common.opt (frename-registers): Initialize to 2.
10520         (fweb): Ditto.
10521         (fgcse-after-reload): Ditto.
10522         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
10523         (process_options): Only change flag_web, flag_rename_registers,
10524         and flag_rerun_cse_after_loop if not explicitly set by user.
10525
10526 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10527
10528         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
10529         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
10530         in 64-bit mode the same as DImode in 32-bit mode.
10531         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
10532         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
10533         mode. Add new mode parameter.
10534         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
10535         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
10536         x86_64_shift_adj): New expanders.
10537         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
10538         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
10539         insns.
10540         Respective new splitters. Use renamed shift splitter helpers in 32-bit
10541         DImode shift splitters.
10542         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
10543         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
10544         mode parameter.
10545
10546 2005-07-18  Jan Beulich  <jbeulich@novell.com>
10547
10548         * i386.md (movdi_extzv_1): New.
10549         (zero_extendhidi2): Combine alternatives and never force use of
10550         REX64 prefix.
10551         (zero_extendqidi2): Likewise. Don't restrict input selection.
10552
10553 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10554
10555         Fix PR tree-optimization/22531
10556         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
10557          moment.
10558
10559 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10560
10561         * tree-promote-statics.c (pass_promote_statics): Change dump file
10562          name.
10563
10564 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
10565
10566         * tree-optimize.c (init_tree_optimization_passes): Add
10567         pass_eliminate_useless_stores pass.
10568         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
10569         * tree-ssa-pre.c (is_copy_stmt): New function.
10570         (follow_copies_till_vuse): Ditto.
10571         (do_eustores): Ditto.
10572         (gate_eustores): Ditto.
10573
10574 2005-07-16  Richard Henderson  <rth@redhat.com>
10575
10576         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
10577
10578 2005-07-16 Danny Berlin <dberlin@dberlin.org>
10579            Kenneth Zadeck <zadeck@naturalbridge.com>
10580
10581         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
10582         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
10583         ipa-type-escape.h, tree-promote-statics.c
10584         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
10585         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
10586         tree-promote-statics.c: new files.
10587         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
10588         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
10589         int nonlocal_set_p, mark_constant_function): Deleted.
10590         (rest_of_handle_cfg): Removed call to mark_constant_function.
10591         (nonoverlapping_component_refs_p): Added calls to support
10592         type based aliasing.
10593         * tree-ssa-alias.c (may_alias_p,
10594         compute_flow_insensitive_aliasing): Ditto.
10595         * calls.c (flags_from_decl_or_type): Removed reference to
10596         cgraph_rtl_info.
10597         * c-typeck.c (convert_arguments): Make builtins tolerant of having
10598         too many arguments.  This is necessary for Spec 2000.
10599         * cgraph.h (const_function, pure_function): Removed.
10600         * common.opt: Added "fipa-pure-const", "fipa-reference",
10601         "fipa-type-escape", and "ftree-promote-static".
10602         * opts.c: Ditto.
10603         * passes.c: Added ipa and tree-promote-statics passes.
10604         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
10605         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
10606         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
10607         * tree-flow.h: Added exposed sra calls and addition of
10608         reference_vars_info field for FUNCTION_DECLS.
10609         * tree-pass.h: Added passes.
10610         * tree-sra.c: (sra_init_cache): New function.
10611         (sra_insert_before, sra_insert_after) Made public.
10612         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
10613         and made public.
10614         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
10615         aliasing. (may_alias_p): Added code to use type escape analysis to
10616         improve alias sets.
10617         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
10618         code to prune clobbers of static variables based on information
10619         produced in ipa-reference pass.  Changed call clobbering so that
10620         statics are not marked as clobbered if the call does not clobber
10621         them.
10622
10623 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
10624
10625         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
10626         too.
10627
10628 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
10629
10630         * doc/install.texi (*-*-solaris2*): Document recommended version
10631         of GNU binutils and mention GNU linker problem on Solaris 10.
10632
10633 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
10634
10635         PR c/22421
10636         * c-decl.c (c_build_bitfield_integer_type): New function.
10637         (finish_struct): Call it.
10638         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
10639
10640 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10641
10642         * c-typeck.c (digest_init): Call 'convert_for_assignment'
10643         before returning.
10644
10645 2005-07-16  Jan Hubicka  <jh@suse.cz>
10646
10647         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
10648         (scale_bbs_frequencies_int): Watch roundoff errors.
10649         * predict.c (return_prediction): Initialize return_stmt.
10650
10651 2005-07-16  Jan Hubicka  <jh@suse.cz>
10652
10653         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
10654         after RTL profiling.
10655
10656 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
10657
10658         PR middle-end/22398
10659         * fold-const.c (build_range_check): Convert high/low to etype
10660         if we are only comparing against exp.
10661
10662 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
10663
10664         Fix PR tree-optimization/22376
10665         * tree-ssa-structalias.c (build_constraint_graph): We really meant
10666         special var here.
10667         (need_to_solve): New function.
10668         (compute_points_to_sets): Use it.
10669
10670 2005-07-15  Jan Hubicka  <jh@suse.cz>
10671
10672         * cfg.c (update_bb_profile_for_threading): More diagnostic.
10673         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
10674
10675 2005-07-15  Richard Guenther  <rguenther@suse.de>
10676
10677         * c-common.c (handle_flatten_attribute): New function.
10678         Add flatten function attribute.
10679         * doc/extend.texi: Document flatten function attribute.
10680         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
10681         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
10682         New functions.
10683         (cgraph_decide_inlining): Handle functions with flatten
10684         attribute.
10685
10686 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
10687
10688         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
10689         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
10690         UNSPEC_XCHG, UNSPEC_AND): New.
10691         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
10692         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
10693         * config/rs6000/sync.md (FETCHOP): New code macro.
10694         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
10695         New code attrs.
10696         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
10697         (sync_compare_and_swap<mode>): Same.
10698         (sync_lock_test_and_set<mode>): Same.
10699         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
10700         for QImode and HImode, and not PPC405.
10701         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
10702         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
10703         (sync_<fetchop>{si,di}_internal): New.
10704         (sync_nand{si,di}_internal): New.
10705         (sync_old_<fetchop>{si,di}_internal): New.
10706         (sync_old_nand{si,di}_internal): New
10707         (sync_new_<fetchop>{si,di}_internal): New.
10708         (sync_new_nand{si,di}_internal): New.
10709         (atomic_and{si,di}): New.
10710         (sync_new_nand{si,di}_internal): New.
10711         (atomic_and{si,di}): New.
10712         (sync_add<mode>_internal): Delete.
10713         (sync_addshort_internal): Use unspec instead of unspec_volatile.
10714         (sync_sub<mode>_internal): Delte.
10715         (sync_subshort_internal): New.
10716         (sync_andsi_internal): Use unspec instead of unspec_volatile.
10717         (sync_anddi_internal): Delete.
10718         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
10719         (sync_booldi_internal): Delete.
10720         (sync_boolc<mode>_internal): Delete.
10721         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
10722         (sync_boolc<mode>_internal2): Delete.
10723         (sync_boolcc<mode>_internal): Delete.
10724         (isync, lwsync): Use unspec instead of unspec_volatile.
10725         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
10726         Revert UNSPEC_VOLATILE.
10727         (rs6000_split_atomic_op): New.
10728         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
10729
10730 2005-07-14  Eric Christopher  <echristo@redhat.com>
10731
10732         * config/mips/mips.c (mips_canonicalize_comparison): Cast
10733         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
10734
10735 2005-07-14  Eric Christopher  <echristo@redhat.com>
10736
10737         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
10738
10739 2005-07-14  Steven Bosscher  <stevenb@suse.de>
10740
10741         PR tree-optimization/22230
10742         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
10743         the computation of the four cross productions for "range op range".
10744
10745 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
10746             Ulrich Weigand  <uweigand@de.ibm.com>
10747
10748         PR target/20126
10749         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
10750         in some insn.
10751
10752 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
10753
10754         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
10755
10756 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
10757
10758         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
10759
10760 2005-07-14  Richard Guenther  <rguenther@suse.de>
10761
10762         PR middle-end/22347
10763         * config/i386/i386-protos.h (ix86_function_value): Change
10764         prototype to match new target hook.
10765         * config/i386/i386.c (ix86_value_regno): Change prototype
10766         to take extra type argument.
10767         (TARGET_FUNCTION_VALUE): Define.
10768         (ix86_function_ok_for_sibcall): Pass extra argument to
10769         ix86_value_regno, check return slot rtx for exact match.
10770         (ix86_function_value): Take extra parameter.  Dispatch to
10771         ix86_value_regno with fndecl/fntype as provided.
10772         (ix86_value_regno): Handle extra type argument.
10773         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
10774
10775         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
10776         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
10777         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
10778         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
10779         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
10780
10781 2005-07-14  Richard Guenther  <rguenther@suse.de>
10782
10783         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
10784         * calls.c (expand_call): Pass fntype to hard_function_value.
10785         (emit_library_call_value_1): Likewise.
10786         * explow.c: Include target.h.
10787         (hard_function_value): Take extra argument, the fntype.
10788         Use new target hook for function_value.
10789         * expr.h (hard_function_value): Change prototype.
10790         * function.c (aggregate_value_p): Pass 0 as fntype to
10791         hard_function_value.
10792         (assign_parms): Use new target hook for function_value.
10793         Pass 0 as fntype to hard_function_value.
10794         (expand_function_end): Likewise.
10795         * reg-stack.c: Include target.h.
10796         (stack_result): Use new target hook for function_value.
10797         * target-def.h: New target hook function_value.
10798         * target.h: Likewise.
10799         * targhooks.c (default_function_value): New function.
10800         * targhooks.h (default_function_value): Declare.
10801
10802 2005-07-13  Ian Lance Taylor  <ian@airs.com>
10803
10804         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
10805
10806 2005-07-14  Jan Hubicka  <jh@suse.cz>
10807
10808         * tree-dfa.c (dump_variable): Use default_def function.
10809         * tree-ssa-alias.c (dump_points_to_info): Likewise.
10810         * tree-ssa.c (verify_use): Likewise.
10811         * tree-ssanames.c (release_ssa_name): Likewise.
10812         * tree-tailcall.c (eliminate_tail_call): Likewise.
10813         (tree_optimize_tail_calls_1): Likewise.
10814         * tree-vrp.c (get_value_range): Likewise.
10815
10816 2005-07-14  Ben Elliston  <bje@au.ibm.com>
10817
10818         * gcc.c (main): Compare language[0] with '*' when iterating over
10819         the infiles.
10820
10821 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10822
10823         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
10824         "s390_emit_compare".  Add handling of CCZ1mode.
10825         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
10826         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
10827         checking.
10828         (s390_branch_condition_mask): Add CCZ1mode handling.
10829         * config/s390/s390.md: ("seq", "*seq"): New pattern.
10830         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
10831         Use CCZ1mode instead of CCZmode.
10832         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
10833
10834 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
10835
10836         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
10837         pattern.
10838         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
10839
10840 2005-07-13  Eric Christopher  <echristo@redhat.com>
10841
10842         * config/mips/mips.c (mips_canonicalize_comparison): New.
10843         (mips_emit_int_relational): Use.
10844
10845 2005-07-13  Eric Christopher  <echristo@redhat.com>
10846
10847         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10848         static extra parts.
10849         * config/s390/s390.md: Include tpf.md. Move tpf specific
10850         patterns...
10851         * config/s390/tpf.md: To here.
10852         * config/s390/s390.opt: Move tpf specific options...
10853         * config/s390/tpf.opt: to here. Add mmain option.
10854         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10855         * config/s390/tpf.h: Rewrite.
10856
10857 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10858
10859         * doc/tm.texi: Remove @xref{Cross-profiling}.
10860
10861 2005-07-13  Jeff Law  <law@redhat.com>
10862
10863         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
10864         expressions, test their _DECL operands for pointer equality rather
10865         than using operand_equal_p.
10866
10867 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
10868
10869         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
10870         (TARGET_POSIX_IO): This.
10871         * config/darwin.h: Likewise.
10872         * config/freebsd.h: Likewise.
10873         * config/linux.h: Likewise.
10874         * config/lynx.h: Likewise.
10875         * config/netbsd.h: Likewise.
10876         * config/rs6000/linux64.h: Likewise.
10877         * config/rs6000/linux.h: Likewise.
10878         * config/s390/tpf.h: Likewise.
10879         * config/sh/embed-elf.h: Likewise.
10880         * config/sparc/linux64.h: Likewise.
10881         * config/sparc/linux.h: Likewise.
10882         * config/svr4.h: Likewise.
10883         * gcov-io.h: Likewise.
10884
10885         * doc/tm.texi: Updated.
10886
10887         * libgcov.c (create_file_directory): Defined only if
10888         TARGET_POSIX_IO is defined.
10889         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
10890         is defined.
10891
10892 2005-07-13  Jan Hubicka  <jh@suse.cz>
10893
10894         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
10895
10896 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
10897
10898         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
10899         structure as argument.
10900
10901 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
10902
10903         PR tree-optimization/21921
10904         * tree-iterator.c (tsi_link_before): Support the case when
10905         tsi_end_p (tsi) == true.
10906
10907 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10908
10909         PR tree-optimization/22442
10910         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
10911         correctly.
10912
10913 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10914
10915         PR rtl-optimization/20376
10916         * toplev.c (process_options): Enable -fweb and -frename-registers when
10917         unrolling.
10918         * doc/invoke.texi: Update the information about when -fweb and
10919         -frename-registers are enabled.
10920
10921 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10922
10923         PR tree-opt/21840
10924         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
10925         if *rhs_p is not a SSA_NAME.
10926
10927 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
10928
10929         Fix PR tree-optimization/22422
10930         * tree-ssa-structalias.c (struct variable_info): Add flag for
10931         special vars.
10932         (get_varinfo): Now a static function.
10933         (new_varinfo): init has_union and is_special_var to false.
10934         (solution_set_add): Check has_union.
10935         (do_da_constraint): Move temporary variable so it gets reset
10936         properly.
10937         Also check for special variable.
10938         (do_ds_constraint): Ditto.
10939         (do_sd_constraint): Ditto.
10940         (do_structure_copy): Check for special variable.
10941         (find_func_aliases): Ditto.
10942         (init_base_vars): Set special vars properly.
10943
10944 2005-07-13  Jan Hubicka  <jh@suse.cz>
10945
10946         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
10947         do unit-at-a-time.
10948
10949         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
10950         (get_expr_operands): Fix thinko wrt flags and subvars.
10951
10952         PR tree-optimize/22379
10953         * tree-inline.c (expand_call_inline): Do not output sorry in early
10954         inlining.
10955
10956 2005-07-12  Dale Johannesen  <dalej@apple.com>
10957
10958         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
10959
10960 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10961
10962         PR bootstrap/21704
10963         * host-linux.h: Include limits.h.
10964
10965 2005-07-12  Dale Johannesen  <dalej@apple.com>
10966
10967         * expr.c (compress_float_constant):  Add cost check.
10968         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
10969
10970 2005-07-12  Dale Johannesen  <dalej@apple.com>
10971
10972         * gcc.target/i386/compress-float-sse.c:  New.
10973         * gcc.target/i386/compress-float-sse-pic.c:  New.
10974         * gcc.target/i386/compress-float-387.c:  New.
10975         * gcc.target/i386/compress-float-387-pic.c:  New.
10976         * gcc.dg/compress-float-ppc.c:  New.
10977         * gcc.dg/compress-float-ppc-pic.c:  New.
10978
10979 2005-07-12  Eric Christopher  <echristo@redhat.com>
10980
10981         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
10982         static extra parts.
10983         * config/s390/s390.md: Include tpf.md. Move tpf specific
10984         patterns...
10985         * config/s390/tpf.md: To here.
10986         * config/s390/s390.opt: Move tpf specific options...
10987         * config/s390/tpf.opt: to here. Add mmain option.
10988         * config/s390/tpf-unwind.h: Remove unnecessary defines.
10989         * config/s390/tpf.h: Rewrite.
10990
10991 2005-07-12  Eric Christopher  <echristo@redhat.com>
10992
10993         * gcc.c (struct infile): Update comment for language.
10994         (main): Rewrite input file resetting code.
10995
10996 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
10997
10998         PR tree-opt/22335
10999         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11000         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11001         (lookup_avail_expr): Use constant_boolean_node instead
11002         of boolean_false_node/boolean_true_node.
11003
11004 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11005
11006         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11007         and use it when printing num_edges.
11008
11009 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11010
11011         * doc/extend.texi (Blackfin Built-in Functions): New section.
11012         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11013         @opindex.
11014
11015 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11016
11017         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11018         s/cmpstrsi/cmpstrnsi
11019         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11020         'cmpstrnsi'.
11021         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11022         (init_optabs): Initialize cmpstrn_optab.
11023         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11024         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11025         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11026         * config/i386/i386.md: s/cmpstr/cmpstrn
11027         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11028         * doc/md.texi: Update documentation.
11029
11030 2005-07-11  Richard Henderson  <rth@redhat.com>
11031
11032         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11033         build_va_arg_indirect_ref.
11034         (alpha_gimplify_va_arg): Likewise.
11035         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11036         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11037         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11038         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11039         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11040         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11041         Likewise.
11042         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11043
11044 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11045
11046         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11047         * passes.c (init_optimization_passes): Add pass_empty_loop.
11048         * tree-pass.h (pass_empty_loop): Declare.
11049         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11050         try_remove_empty_loop, remove_empty_loops): New functions.
11051         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11052         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11053
11054 2005-07-12  Peter Barada  <peter@the-baradas.com>
11055
11056         PR middle-end/16719
11057         PR middle-end/18421
11058         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11059         in address registers.
11060         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11061         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11062         alternative of addsi3_5200.
11063
11064 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11065
11066         * config/mips/mips.md (ffs<mode>2): Remove.
11067
11068 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11069
11070         * doc/tree-ssa.texi (Cleanups): Improve description of
11071         TRY_FINALLY_EXPR.
11072         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11073
11074 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11075
11076         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11077         * tree.h (DECL_ARGUMENT_FLD): New macro.
11078
11079 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11080
11081         Fix PR tree-optimization/22404
11082
11083         * tree-ssa-structalias.c (create_variable_info_for): Use
11084         correct offset.
11085
11086 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11087
11088         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11089         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11090         for second comparison operand.
11091         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11092
11093         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11094         (define_insn_reservation "alu"): Likewise.
11095         (csync, ssync): Now of type sync.
11096         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11097         -mcsync-anomaly -mspecld-anomaly.
11098         * config/bfin/bfin.opt (mcsync): Remove.
11099         (mcsync-anomaly, mspecld-anomaly): Add.
11100         * config/bfin/bfin.c: Include "insn-codes.h".
11101         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11102         (TARGET_DEFAULT_TARGET_FLAGS): New.
11103         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11104
11105 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11106
11107         * basic-block.h: Give the BB flags enum a name, bb_flags.
11108         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11109         * cfgcleanup.c (enum bb_flags): Remove here.
11110         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11111         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11112         (update_forwarder_flag): Likewise.
11113         (thread_jump): Likewise.
11114         (try_forward_edges): Likewise.
11115         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11116         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11117         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11118
11119 2005-07-11  Richard Guenther  <rguenther@suse.de>
11120
11121         * config/i386/i386.opt: New target option -msseregparm.
11122         * config/i386/i386.c (override_options): Error out for
11123         -msseregparm but no SSE support.
11124         (ix86_function_sseregparm): Check for global sseregparm.
11125         * doc/invoke.texi: Document -msseregparm.
11126
11127 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11128
11129         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11130         (m32rle-*-linux*): Ditto.
11131
11132 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11133
11134         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11135         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11136         bytes.
11137
11138 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11139
11140         PR middle-end/22239
11141         PR target/20126
11142         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11143         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11144
11145 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11146
11147         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11148         (varmap): Heapify varmap.
11149         (constraints): Heapify constraints.
11150         (struct constraint_graph): Heapify succs and preds.
11151         (constraint_vec_find): Update for heapification.
11152         (constraint_set_union): Ditto.
11153         (insert_into_complex): Ditto.
11154         (constraint_edge_vec_find): Ditto.
11155         (erase_graph_self_edge): Ditto.
11156         (add_graph_edge): Ditto.
11157         (get_graph_weights): Ditto.
11158         (merge_graph_nodes): Ditto.
11159         (build_constraint_graph): Ditto.
11160         (topo_visit): Ditto.
11161         (solve_graph): Ditto.
11162         (create_variable_info_for): Ditto.
11163         (init_base_vars): Ditto.
11164         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11165         (condese_varmap_nodes): Free complex vector.
11166         (clear_edges_for_node): Clear succs and preds vector.
11167
11168 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11169
11170         * tree-ssa-structalias.c (update_alias_info): Change counting of
11171         references to not include vdefs.
11172
11173 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11174
11175         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11176         (up_insert): Ditto.
11177
11178 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11179
11180         * pa.c (pa_commutative_p): Make PLUS commutative when
11181         TARGET_NO_SPACE_REGS is true.
11182
11183 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11184
11185         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11186         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11187         * tree-dfa.c (dump_subvars_for): New.
11188         (debug_subvars_for): New.
11189         (dump_variable): Show subvariables if VAR has them.
11190         * tree-flow-inline.h (get_subvar_at): New.
11191         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11192         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11193         Update all users.
11194         (struct subvar): Change fields offset and size to unsigned
11195         HOST_WIDE_INT.
11196         (dump_subvars_for): Declare.
11197         (debug_subvars_for): Declare.
11198         (get_subvar_at): Declare.
11199         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11200         to unsigned HOST_WIDE_INT *.
11201         (overlap_subvar): Likewise.
11202         * tree-gimple.c (is_gimple_reg): Always return false for
11203         SFTs and memory tags.
11204         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11205         Update all callers.
11206         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11207         (compute_may_aliases): Call compute_points_to_sets.
11208         (collect_points_to_info_for): Remove.
11209         (compute_points_to_and_addr_escape): Remove.
11210         (delete_alias_info): Call delete_points_to_sets.
11211         (compute_flow_sensitive_aliasing): If the call to
11212         find_what_p_points_to returns false, call set_pt_anything.
11213         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11214         (set_pt_anything): Clear pi->pt_vars.
11215         (set_pt_malloc): Remove.
11216         (merge_pointed_to_info): Remove.
11217         (add_pointed_to_expr): Remove.
11218         (add_pointed_to_var): Remove.
11219         (collect_points_to_info_r): Remove.
11220         (is_escape_site): Make extern.
11221         (create_sft): New.
11222         (create_overlap_variables_for): Call it.
11223         * tree-ssa-copy.c (merge_alias_info): Never merge
11224         flow-sensitive alias information.
11225         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11226         offset and size to be unsigned HOST_WIDE_INT.
11227         (add_to_addressable_set): Rename from note_addressable.
11228         Set TREE_ADDRESSABLE as the variables are added to the set.
11229         Update all users.
11230         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11231         operands into VUSEs when adding V_MAY_DEFs for members in an
11232         alias set.
11233         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11234         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11235         (struct variable_info): Add bitfield is_heap_var.
11236         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11237         (new_var_info): Initialize is_heap_var.
11238         (get_constraint_for): Add HEAP variables to the symbol table.
11239         Mark them with is_heap_var.
11240         (update_alias_info): New.  Taken mostly from the old
11241         compute_points_to_and_addr_escape.
11242         (handle_ptr_arith): New.
11243         (find_func_aliases): Call update_alias_info.
11244         Call handle_ptr_info for tcc_binary expressions.
11245         Call mark_stmt_modified.
11246         (create_variable_info_for): If DECL has subvars, do not create
11247         variables for its subvars.  Always add all the fields.
11248         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11249         SFTs, then add all the SFTs of the structure.
11250         If VI->DECL is an aggregate with subvariables, add the SFT at
11251         VI->OFFSET.
11252         (find_what_p_points_to): If VI is an artificial variable,
11253         translate to bitfields in SSA_NAME_PTR_INFO.
11254         If the solution is empty, set pi->pt_vars to NULL
11255         (init_base_vars): Create ANYOFFSET.
11256         (compute_points_to_sets): Rename from create_alias_vars.
11257         Make extern.
11258         (pass_build_pta): Remove.
11259         (delete_points_to_sets): Rename from delete_alias_vars.
11260         (pass_del_pta): Remove.
11261         * tree-ssa-structalias.h (struct alias_info): Move from
11262         tree-ssa-alias.h.
11263         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11264         NUM_REFERENCES_SET): Likewise.
11265         (compute_points_to_sets, delete_points_to_sets): Declare.
11266
11267 2005-07-09  Richard Henderson  <rth@redhat.com>
11268
11269         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11270         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11271         alpha_split_lock_test_and_set_12): New functions.
11272         * config/alpha/alpha-protos.h: Update.
11273         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11274         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11275         * config/alpha/sync.md (I12MODE): New.
11276         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11277         (sync_<fetchop_name><I48MODE>): Likewise.
11278         (sync_nand<I48MODE>): Likewise.
11279         (sync_old_<fetchop_name><I48MODE>): Likewise.
11280         (sync_new_<fetchop_name><I48MODE>): Likewise.
11281         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11282         (sync_compare_and_swap<I48MODE>): Likewise.
11283         (sync_lock_test_and_set<I48MODE>): Likewise.
11284         (sync_compare_and_swap<I12MODE>): New.
11285         (sync_compare_and_swap<I12MODE>_1): New.
11286         (sync_lock_test_and_set<I12MODE>): New.
11287         (sync_lock_test_and_set<I12MODE>_1): New.
11288
11289 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11290
11291         PR 21356
11292         PR 22332
11293         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11294
11295 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11296
11297         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11298         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11299
11300 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11301
11302         PR target/21656
11303         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11304
11305 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11306
11307         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11308         memory_operand constraint.
11309         (store_conditional_<mode>): Same.
11310         (sync_compare_and_swap<mode>): Same.
11311         (sync_lock_test_and_set<mode>): Same.
11312
11313 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11314
11315         Rewrite PIC support to more closely model actual instructions.
11316         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11317         (cris_symbol): Remove prototypes for removed functions.
11318         (cris_pic_symbol_type_of, cris_valid_pic_const)
11319         (cris_expand_pic_call_address): Prototypes for new functions.
11320         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11321         variable.
11322         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11323         modifiers.
11324         <case ':'>: Add case for new punctuation character.
11325         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11326         emitting (extra) PIC modifier.
11327         <case UNSPEC>: Do not assert for PLT.
11328         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11329         (cris_expand_prologue, cris_expand_epilogue): Check
11330         for pic_offset_table_rtx usage instead of taking
11331         current_function_uses_pic_offset_table as the final word.
11332         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11333         Remove flag_pic difference.
11334         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11335         the moral equivalents of...
11336         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
11337         functions.
11338         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
11339         (cris_handle_option): Mark ARG as unused.
11340         (cris_expand_pic_call_address): New worker function for "call",
11341         "call_value".
11342         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
11343         output PIC constructs here.
11344         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
11345         as symbol-specific modifers, not whole or part of operands.
11346         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
11347         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
11348         constants and flag_pic.
11349         (CONSTANT_INDEX_P): Adjust for new functions.
11350         (enum cris_pic_symbol_type): New helper type.
11351         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
11352         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
11353         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
11354         define_constants.
11355         ("movsi"): Emit actual instructions for GOT and relative access.
11356         ("*movsi_got_load"): New pattern to set up the register holding
11357         the GOT pointer.
11358         ("*movsi_internal"): Operand 1 is not a plain general_operand.
11359         Adjust FIXME for 'S'.
11360         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
11361         Use "movs" for -fpic cases.
11362         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
11363         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
11364         ("call", "call_value"): Just call cris_expand_pic_call_address for
11365         PIC addresses.
11366         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
11367         Remove special pattern.
11368         ("*expanded_call_side", "*expanded_call_value_side"): New
11369         patterns.
11370         (gotplt-to-plt, gotplt-to-plt-side-call)
11371         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
11372         peephole2:s.
11373         * config/cris/cris/predicates.md
11374         ("cris_general_operand_or_gotless_symbol"): Remove unused
11375         predicate.
11376         ("cris_general_operand_or_symbol"): Adjust for new functions.
11377
11378 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11379
11380         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
11381
11382 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
11383
11384         * Makefile.in (TREE_H): Add treestruct.def.
11385         (c-decl.o): Add pointer-set.h
11386         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
11387         visibility on regular DECL's.
11388         (merge_decls): Fix the copying of decl nodes of various types for
11389         the new structures.  Don't update RTL, section name, weak status,
11390         etc, on DECL's without RTL.
11391         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
11392         Don't check volatile on non-variable types.
11393         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
11394         to check whether we have seen arguments.
11395         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
11396         flag is checked before field (flag is common, field is not).
11397         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
11398         TS_DECL_COMMON could have an origin.
11399         (add_location_or_const_value_attribute): Don't check section name
11400         on non-var/function decls.
11401         (dwarf2out_var_location): Reverse order of tests.
11402         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
11403         with DECL_WRTL_CHECK.
11404         * expmed.c (make_tree): rtl is now in decl_with_rtl.
11405         * fold-const.c (fold_binary): Don't check weakness on
11406         non-var/function decls.
11407         (tree_expr_nonzero_p): Ditto.
11408         (fold_checksum_tree): Use tree_decl_extra as sizeof
11409         buffer.
11410         * ggc-page.c (extra_order_size_table): Add sizes for
11411         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
11412         tree_field_decl.
11413         * gimplify.c (gimplify_bind_expr): Only set
11414         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
11415         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
11416         without RTL.
11417         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
11418         * langhooks.h (init_ts). New langhook.
11419         * passes.c (rest_of_decl_compilation): Reverse order of tests.
11420         * print-tree.c (print_node): Update to only print fields that
11421         exist in the structures the passed decl has.
11422         * toplev.c (wrapup_global_declarations): Don't reset
11423         DECL_DEFER_OUTPUT on DECL's that don't contain it.
11424         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
11425         * tree-inline.c (remap_decl): Ditto.
11426         * tree-outof-ssa.c (create_temp): Reverse order of tests.
11427         * tree-pretty-print.c (print_declaration): Don't print
11428         DECL_REGISTER on things that don't contain it.
11429         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
11430         non-var/function decls.
11431         * tree.c (tree_contains_struct): New structure.
11432         (init_priority_for_decl): New hashtable.
11433         (tree_int_map): New structure.
11434         (tree_int_map_eq): New function.
11435         (tree_int_map_marked_p): Ditto.
11436         (tree_int_map_hash): Ditto.
11437         (tree_map): Move to tree.h.
11438         (tree_map_eq): Externalize.
11439         (tree_map_hash): Ditto.
11440         (tree_map_marked_p): Ditto.
11441         (init_ttree): Set up tree_contains_struct and call langhook.
11442         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
11443         (tree_code_size): Update for new structures.
11444         (tree_node_structure): Update for new structures.
11445         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
11446         without the field.
11447         (copy_node_stat):  Copy init priority.
11448         (build_decl_stat): Ditto for visibility.
11449         (ts_enum_names): New.
11450         (tree_contains_struct_check_failed): New function.
11451         (decl_init_priority_lookup): Ditto.
11452         (decl_init_priority_insert): Ditto.
11453         * treestruct.def: New file.
11454         * tree.h (CODE_CONTAINS_STRUCT): New macro.
11455         (CONTAINS_STRUCT_CHECK): Ditto.
11456         (tree_contains_struct_check_failed): New prototype.
11457         (DECL_CHECK): Removed.
11458         (DECL_MINIMAL_CHECK): New.
11459         (DECL_COMMON_CHECK): Ditto.
11460         (DECL_WRTL_CHECK): Ditto.
11461         (DECL_NON_COMMON_CHECK): Ditto.
11462         (DECL_WITH_VIS_CHECK): Ditto.
11463         (VAR_OR_FUNCTION_DECL_P): Ditto
11464         (struct tree_decl_minimal): New structure.
11465         (struct tree_decl_common): Ditto.
11466         (struct tree_decl_with_rtl): Ditto.
11467         (struct tree_decl_with_vis): Ditto.
11468         (struct tree_decl_non_common): Ditto.
11469         (struct tree_field_decl): Ditto.
11470         (struct tree_parm_decl): Ditto.
11471         (struct tree_var_decl): Ditto.
11472         (struct tree_function_decl): Ditto.
11473         (struct tree_const_decl): Ditto.
11474         (struct tree_result_decl): Ditto.
11475         (union tree_node): Add new structures.
11476         * var-tracking.c (track_expr_p): Reverse order of tests.
11477
11478         * doc/c-tree.texi: Add documentation on DECL node internal structure.
11479
11480 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11481
11482         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
11483         * system.h: Poison FINALIZE_PIC.
11484         * doc/tm.texi (FINALIZE_PIC): Remove.
11485
11486 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11487
11488         PR tree-opt/22329
11489         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
11490         to the correct type if we have a MODIFY_EXPR.
11491
11492 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
11493
11494         PR tree-optimization/22360
11495         * tree.c (upper_bound_in_type): Fix calculations for casting
11496         to a non-wider signed type and casting a signed value to a
11497         wider unsigned type.
11498         (lower_bound_in_type): Fix calculations for casting to a
11499         non-wider signed type.
11500
11501         PR tree-optimization/20139
11502         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
11503         release_defs.
11504         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
11505         fold_cond_expr_cond.
11506         * tree-ssanames.c (release_defs): Assert in_ssa_p.
11507         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
11508
11509 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
11510
11511         PR tree-opt/22356
11512         * tree-complex.c (expand_complex_libcall): Produce
11513         REALPART_EXPR/IMAGPART_EXPR with the correct type.
11514
11515 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
11516
11517         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
11518         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
11519         b" assert and inserted fastpath code for this case.
11520         (bitmap_ior): Removed "a != b" assert.
11521
11522 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11523
11524         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
11525         (ENDFILE_SPEC): Likewise.
11526         * config/m32r/m32r.h (ASM_SPEC): Likewise.
11527
11528         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
11529         a large stack frame at epilogue.
11530
11531 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
11532
11533         * final.c: Include sdbout.h when required.
11534
11535 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
11536
11537         * config.gcc (*-*-darwin*): Only one target-specific header file
11538         for generic darwin.
11539         (powerpc-*-darwin*): Add version-specific header files.
11540         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
11541         * config.in: Regenerate.
11542         * configure: Regenerate.
11543         * gcc.c: Include xregex.h.
11544         (version_compare_spec_function): New.
11545         (spec_function): Add version-compare.
11546         (replace_outfile_spec_function): Reformat comment.
11547         (compare_version_strings): New.
11548         * config/darwin-c.c (version_as_macro): New.
11549         (builtin_define): New.
11550         (darwin_cpp_builtins): New.
11551         * config/darwin-protos.h (darwin_cpp_builtins): New.
11552         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
11553         (LIB_SPEC): Make unconditional, update comment.
11554         (TARGET_C99_FUNCTIONS): Define.
11555         * config/darwin.opt: Sort.
11556         (mmacosx-version-min=): New.
11557         * config/darwin7.h: Delete.
11558         * config/darwin8.h: Delete.
11559         * config/i386/darwin.h (): Call darwin_cpp_builtins.
11560         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
11561         (TARGET_C99_FUNCTIONS): Define.
11562         * config/rs6000/darwin7.h: New.
11563         * config/rs6000/darwin8.h: New.
11564         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
11565         (-mmacosx-version-min): Document.
11566
11567 2005-07-07  Ian Lance Taylor  <ian@airs.com>
11568
11569         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
11570
11571 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
11572
11573         PR middle-end/22239
11574         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
11575
11576 2005-07-07  Khem Raj  <kraj@mvista.com>
11577
11578         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
11579         in bytes, not words.
11580
11581 2005-07-07  Paul Brook  <paul@codesourcery.com>
11582
11583         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
11584         DEFAULT_FUNCTION_ARG_PADDING to upward.
11585
11586 2005-07-07  Richard Henderson  <rth@redhat.com>
11587
11588         * function.c (locate_and_pad_parm): Record parameter alignment in
11589         stack_alignment_needed.
11590
11591 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
11592
11593         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
11594         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
11595         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
11596         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
11597         (define_attr "type"): Add isync, sync, load_l, store_c.
11598         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
11599         Create scratch volatile MEM.
11600         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
11601         sync.
11602         (load_locked_<mode>): New.
11603         (store_conditional_<mode>): New.
11604         (sync_compare_and_swap<mode>): Replace with splitter.
11605         (sync_lock_test_and_set<mode>): Replace with splitter.
11606         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
11607         and UNSPECV_ISYNC.
11608         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
11609         is ics.  Attribute isync.
11610         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
11611         lwsync.
11612         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
11613         and UNSPECV_SYNC_OP.
11614         (emit_unlikely_jump): New.
11615         (emit_load_locked): New.
11616         (emit_store_conditional): New.
11617         (rs6000_split_compare_and_swap): New.
11618         (rs6000_split_lock_test_and_set): New.
11619         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
11620         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
11621         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
11622         rs6000_split_lock_test_and_set): Declare.
11623         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
11624         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
11625         store_c, isync, sync.
11626
11627 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
11628
11629         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
11630         filenames to gtyp-gen.h.
11631         (s-typ-gen): Use it in place of for loops.
11632
11633 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
11634
11635         * hooks.c (hook_bool_rtx_int_false): New function.
11636         * hooks.h (hook_bool_rtx_int_false): Declare.
11637         * target-def.h (TARGET_COMMUTATIVE_P): Define.
11638         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
11639         * target.h (struct gcc_target): Add commutative_p member.
11640         * targhooks.c (hook_bool_rtx_commutative_p): New function.
11641         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
11642         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
11643         (pa_commutative_p): New function.
11644         * jump.c (target.h): Include.
11645         (rtx_renumbered_equal_p): Use targetm.commutative_p.
11646         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
11647
11648 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11649
11650         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
11651         (s390_expand_setmem): New.
11652         * config/s390/s390.c: Likewise.
11653         (print_shift_count_operand): Truncate to 12 bits instead of 6.
11654         Adapt comments.
11655         * config/s390/s390.md: ("setmem<mode>"): Accept character as
11656         general_operand.  Call new function "s390_expand_setmem".
11657         ("clrmem_long", "*clrmem_long"): Rewrite to ...
11658         ("setmem_long", "*setmem_long"): ... this.
11659
11660 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11661
11662         * config/s390/s390.c: (optimization_options): Enable
11663         TARGET_MVCLE at -Os.
11664         * doc/invoke.texi: Document changes in default behaviour.
11665         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
11666
11667 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
11668
11669         * expr.c: (set_storage_via_setmem): Convert opchar to mode
11670         defined by back-end.
11671
11672 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
11673
11674         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
11675         all sets in the pattern.
11676         * config/rs6000/rs6000.md (stack_protect_testsi,
11677         stack_protect_testdi): Likewise.
11678
11679 2005-07-06  Jeff Law  <law@redhat.com>
11680
11681         * tree-vrp.c (simplify_using_ranges): Kill.
11682         (vrp_finalize): Remove call to simplify_using_ranges.
11683         (simplify_stmt_using_ranges): New function extracted from
11684         simplify_using_ranges.
11685         (simplify_div_or_mod_using_ranges): Likewise.
11686         (simplify_abs_using_ranges): Likewise.
11687         (simplify_cond_using_ranges): New function.
11688         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
11689         * tree-ssa-propagate.c (substitute_and_fold): Call
11690         simplify_stmt_using_ranges if we have range information.
11691
11692 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
11693
11694         * config/ia64/ia64.c (ia64_reorg): Check optimize before
11695         ia64_flag_schedule_isns2.
11696
11697         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
11698         reading/writing general registers.
11699         (ia64_function_arg): Revert 2005-06-18 change.
11700
11701 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
11702
11703         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
11704         (legitimize_tls_address): Use gcc_unreachable instead of abort.
11705
11706 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
11707
11708         * function.c (expand_function_end): Revert part of 2005-06-27
11709         patch.  Do sjlj_emit_function_exit_after after return_label.
11710
11711 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11712
11713         * doc/install.texi (--disable-libssp): New.
11714
11715 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
11716
11717         * doc/invoke.texi: Update -fforce-mem documentation.
11718         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
11719         code for -fforce-mem.
11720         * expmed.c: (store_bit_field,store_fixed_bit_field,
11721         extract_bit_field): Ditto.
11722         * expr.c: (convert_move): Ditto.
11723         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
11724         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
11725         emit_conditional_add,expand_float,expand_fix): Ditto.
11726         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
11727         (common_handle_option): Issue warning when -fforce-mem specified.
11728
11729 2005-07-06  Paul Brook  <paul@codesourcery.com>
11730
11731         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
11732         argument is empty.
11733         * configure: Regenerate.
11734
11735 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
11736
11737         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
11738
11739 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
11740
11741         Fix PR tree-optimization/22319
11742         Fix PR tree-optimization/22140
11743         Fix PR tree-optimization/22310
11744
11745         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
11746         variable sized types.
11747         Use correct type for intermediate structure on *a = *b structure
11748         copies.
11749
11750 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11751
11752         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
11753         Remove.
11754         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
11755         (machine_function): Move typedef to...
11756         * config/rs6000/rs6000.c (machine_function): ... here.  Add
11757         varargs_save_offset field.
11758         (rs6000_stack_t): Remove varargs_size field.
11759         (setup_incoming_varargs): Allocate varargs save area using
11760         assign_stack_local, try to make it as small as possible.
11761         Save offset from virtual_stack_vars_rtx to the save area
11762         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
11763         instead of magic 8 when fp word byte size is used.
11764         (rs6000_va_start): Use cfun->machine->varargs_save_offset
11765         instead of -RS6000_VARARGS_SIZE.
11766         (rs6000_stack_info, debug_stack_info,
11767         rs6000_initial_elimination_offset): Remove all traces of
11768         varargs_size.
11769         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
11770         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
11771         RS6000_VARARGS_AREA.
11772
11773 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
11774
11775         PR tree-optimization/21963
11776         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
11777         constant_multiple_of in the same way get_computation_cost_at does.
11778
11779 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
11780
11781         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
11782         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
11783         (gen_compare_reg): If sparc_compare_emitted is set, clear it
11784         and return its previous value.
11785         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
11786         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
11787         constants.
11788         (stack_protect_set, stack_protect_test): New expanders.
11789         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
11790         stack_protect_testdi): New insns.
11791         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11792         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
11793
11794 2005-07-06  Jeff Law  <law@redhat.com>
11795
11796         * tree-ssa-dce.c (cfg_altered): New global.
11797         (tree_dce_init): Initialize cfg_altered.
11798         (remove_dead_stmt): If we remove an edge in the CFG, then set
11799         CFG_ALTERED.
11800         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
11801         the dominators.
11802
11803 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
11804
11805         * Makefile.in (stamp-collect-ld): Use
11806         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
11807         ./collect-ld if it already exists.
11808         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
11809         Don't remove ./nm if it already exists.
11810
11811 2005-07-05  Devang Patel  <dpatel@apple.com>
11812
11813         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
11814         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
11815         * tree-vectorizer.c (vect_loop_location): New.
11816         (vect_print_dump_info): Use vect_loop_location.
11817         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
11818         (vectorize_loops): Set vect_loop_location.
11819         * tree-vect-analyze.c (vect_analyze_offset_expr,
11820         vect_determin_vectorization_factor, vect_analyze_operations,
11821         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
11822         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
11823         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
11824         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
11825         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
11826         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
11827         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
11828         vect_analyze_loop): Adjust vect_print_dump_info API.
11829         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11830         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
11831         vect_finish_stmt_generation, vectorizable_assignment,
11832         vectorizable_operation, vectorizable_store, vectorizable_load,
11833         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
11834         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
11835         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
11836         vect_transform_loop): Same.
11837         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
11838         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
11839         Same.
11840
11841 2005-07-05  Randolph Chung  <tausq@debian.org>
11842
11843         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
11844         * configure: Regenerate.
11845         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
11846         (pa_tls_referenced_p): Declare.
11847         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
11848         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
11849         (legitimize_tls_address): New.
11850         (hppa_legitimize_address): Handle TLS addresses.
11851         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
11852         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
11853         (emit_move_sequence): Handle TLS addresses.
11854         (pa_encode_section_info): Call default handler to handle common
11855         sections.
11856         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
11857         (CONSTANT_ADDRESS_P): Reject TLS operands.
11858         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
11859         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
11860         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
11861         (UNSPEC_TLSLE): Define new constants.
11862         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
11863         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
11864         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
11865         (tie_symbolic_operand, tle_symbolic_operand): New
11866
11867 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
11868
11869         * aclocal.m4: Update macros for autoconf 2.59 style.
11870         * configure.ac: Likewise.
11871
11872 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11873
11874         * pa.c (function_value): Handle small aggregates on 32-bit targets.
11875         (function_arg): Pass small aggregates in general registers on 32-bit
11876         targets.
11877         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
11878
11879 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
11880
11881         * Makefile.in (final.o): Fix dependencies.
11882
11883 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11884
11885         PR c/22013
11886         PR c/22098
11887         * langhooks.h (struct lang_hooks): Add expr_to_decl.
11888         * langhooks.c (lhd_expr_to_decl): New.
11889         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
11890         New.
11891         (LANG_HOOKS_INITIALIZER): Update.
11892         * tree.c (recompute_tree_invarant_for_addr_expr): Call
11893         expr_to_decl langhook.
11894         * c-tree.h (c_expr_to_decl): Declare.
11895         * c-typeck.c (c_expr_to_decl): New.
11896         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
11897         specially.
11898         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
11899
11900 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
11901
11902         PR c/22308
11903         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
11904         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
11905
11906 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
11907
11908         * Makefile.in: Adjust dependencies.
11909         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11910         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
11911         * alias.c (rest_of_handle_cfg, pass_cfg): New.
11912         * bb-reorder.c (duplicate_computed_gotos): Make it static.
11913         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
11914         rest_of_compilation.
11915
11916         * bb-reorder.c (gate_duplicate_computed_gotos,
11917         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
11918         rest_of_handle_reorder_blocks, pass_reorder_blocks,
11919         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
11920         pass_partition_blocks): New.
11921         * bt-load.c (gate_handle_branch_target_load_optimize,
11922         rest_of_handle_branch_target_load_optimize,
11923         pass_branch_target_load_optimize): New.
11924         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
11925         pass_jump2): New.
11926         * cfglayout.c (pass_insn_locators_initialize): New.
11927         * cfgrtl.c (pass_free_cfg): New.
11928         * combine.c (gate_handle_combine, rest_of_handle_combine,
11929         pass_combine): New.
11930         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
11931         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
11932         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
11933         * except.c (pass_set_nothrow_function_flags,
11934         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
11935         pass_rtl_eh): New.
11936         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
11937         rest_of_handle_shorten_branches, pass_shorten_branches,
11938         rest_of_clean_state, pass_clean_state): New.
11939         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
11940         rest_of_handle_remove_death_notes, pass_remove_death_notes,
11941         rest_of_handle_life, pass_life, rest_of_handle_flow2,
11942         pass_flow2): New.
11943         * function.c (pass_instantiate_virtual_regs, pass_init_function,
11944         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
11945         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
11946         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
11947         pass_gcse): New.
11948         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
11949         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
11950         pass_rtl_ifcvt, gate_handle_if_after_combine,
11951         rest_of_handle_if_after_combine, pass_if_after_combine,
11952         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
11953         pass_if_after_reload): New.
11954         * integrate.c (pass_initial_value_sets): New.
11955         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
11956         pass_purge_lineno_notes): New.
11957         * mode-switching.c (rest_of_handle_mode_switching,
11958         pass_mode_switching): New.
11959         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
11960         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
11961         pass_loop2): New.
11962         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
11963         pass_loop_optimize): New.
11964         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
11965         pass_sms): New.
11966         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
11967         pass_gcse2): New.
11968         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
11969         pass_postreload_cse): New.
11970         * profile.c (gate_handle_profiling, pass_profiling,
11971         rest_of_handle_branch_prob, pass_branch_prob): New.
11972         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
11973         pass_split_before_regstack, gate_handle_split_before_regstack,
11974         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
11975         rest_of_handle_split_all_insns, pass_split_all_insns): New.
11976         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
11977         pass_stack_regs): New.
11978         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
11979         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
11980         pass_stack_adjustments): New.
11981         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
11982         pass_regrename): New.
11983         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
11984         pass_delay_slots, gate_handle_machine_reorg,
11985         rest_of_handle_machine_reorg, pass_machine_reorg): New.
11986         * rtl.h (extern void purge_line_number_notes): New.
11987         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
11988         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
11989         pass_sched2): New.
11990         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
11991         pass_tracer): New.
11992         * value-prof.c (gate_handle_value_profile_transformations,
11993         rest_of_handle_value_profile_transformations,
11994         pass_value_profile_transformations): New.
11995         * var-tracking.c (gate_handle_var_tracking,
11996         pass_variable_tracking): New.
11997         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
11998
11999         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12000         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12001         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12002         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12003         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12004         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12005         rest_of_handle_gcse2, rest_of_handle_regmove,
12006         rest_of_handle_tracer, rest_of_handle_if_conversion,
12007         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12008         rest_of_handle_web, rest_of_handle_branch_prob,
12009         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12010         rest_of_handle_jump_bypass, rest_of_handle_combine,
12011         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12012         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12013         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12014         rest_of_handle_mode_switching, rest_of_handle_jump,
12015         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12016         rest_of_handle_flow2, rest_of_handle_jump2,
12017         rest_of_handle_peephole2, rest_of_handle_postreload,
12018         rest_of_handle_shorten_branches, rest_of_clean_state,
12019         rest_of_compilation): Remove.
12020
12021         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12022         * passes.c (dump_flags, in_gimple_form, all_passes,
12023         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12024         register_dump_files, next_pass_1, last_verified, execute_todo,
12025         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12026         from tree-optimize.c.
12027         (init_optimization_passes): Moved from tree-optimize.c,
12028         adding the RTL optimizations.
12029         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12030         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12031         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12032         register_dump_files, next_pass_1, last_verified, execute_todo,
12033         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12034         init_tree_optimization_passes, ipa_passes): Delete.
12035         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12036         the RTL dumps.
12037         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12038         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12039         from tree.h.
12040         (ipa_passes): Remove.
12041         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12042         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12043         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12044         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12045         (dump_info_p, dump_flag): Moved to tree-dump.h.
12046
12047         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12048         cgraph.c, opts.c.
12049         * passes.c (finish_optimization_passes): Use dump_begin
12050         and dump_end, TDI_end.
12051         (gate_rest_of_compilation): New.
12052         (pass_rest_of_compilation): Use it.
12053         (gate_postreload, pass_postreload): New.
12054         * toplev.c (general_init): Rename init_tree_optimization_passes.
12055         * toplev.h (init_tree_optimization_passes): Rename to
12056         init_optimizations_passes.
12057         * tree-dump.c (dump_flag): Make static.
12058         (dump_files): Remove RTL dumps.
12059         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12060         pass_cleanup_cfg, pass_free_cfg_annotations,
12061         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12062         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12063         * tree-pretty-print.c: Include tree-pass.h.
12064         * cgraph.c: Include tree-dump.h.
12065
12066 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12067
12068         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12069         Only fall back to saying it points to readonly memory if
12070         we can't do better.
12071
12072 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12073
12074         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12075         * config/m32r/m32r.c (m32r_compute_frame_size,
12076         m32r_expand_prologue): Take current_function_profile into
12077         account whenever we reference
12078         current_function_uses_pic_offset_table.
12079         (m32r_finalize_pic): Remove.
12080         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12081
12082 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12083
12084         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12085         instead of $<.  Don't remove ./as if it already exists.
12086
12087 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12088
12089         PR target/21723
12090         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12091         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12092         for complex modes when generating code for PA 1.0.
12093         (VALID_FP_MODE_P): New macro.
12094         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12095         sets for all general and floating point modes.  Align wide floating
12096         point modes to even register boundaries to comply with architectural
12097         requirements.
12098         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12099         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12100         (VALID_FP_MODE_P): New macro.
12101         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12102         sets for all general and floating point modes.  Align wide floating
12103         point modes to even register boundaries to comply with architectural
12104         requirements.
12105
12106 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12107
12108         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12109         to 0.
12110
12111 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12112
12113         * tree-ssa-structalias.c: Don't include expr.h.
12114
12115 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12116
12117         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12118         comments.
12119
12120 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12121
12122         Fix PR tree-optimization/22279
12123
12124         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12125         correct operator.
12126
12127 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12128
12129         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12130
12131 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12132
12133         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12134         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12135         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12136         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12137         config/stormy16/stormy16.c, config/v850/v850.c,
12138         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12139         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12140         Avoid "." or "\n" at end of diagnostics and capital letters at
12141         start of diagnostics.
12142         * combine.c, cse.c: Don't translate dump file output.
12143         * toplev.c (print_version): Only translate output if going to
12144         stderr.
12145
12146 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12147
12148         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12149         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12150         typos.
12151
12152 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12153
12154         * pa.c (fix_range): Fix typo in comment.
12155
12156 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12157
12158         * tree-vrp.c (extract_range_from_assert): Replace
12159         fold (build (...)) with fold_build2.
12160
12161 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12162
12163         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12164         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12165         (format_types_orig, handle_format_attribute): Add support for
12166         format "gcc_gfc".
12167
12168 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12169
12170         * varasm.c (assemble_variable): Fix format specifier thinko.
12171
12172 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12173
12174         PR tree-optimization/22029 (and 22135)
12175         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12176         a phi node before calling dump_vops.
12177
12178 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12179
12180         * tree-dump.h (dump_string_field): Declare.
12181         * tree-dump.c: Use it instead of dump_string.
12182         (dump_string_field): Make non-static.
12183
12184 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12185
12186         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12187         up the minimal CFG stuff always when optimize > 0.  Call
12188         split_all_insns_noflow in PIC case if needed.
12189
12190 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12191             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12192
12193         PR c++/18279
12194         * c-decl.c (c_write_global_declarations): Dump contents of
12195         external scope to.
12196         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12197         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12198         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12199         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12200         is enabled.
12201
12202 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12203
12204         * c-common.h (GCC_DIAG_STYLE): Define.
12205         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12206         version for format checking to 4.1.
12207         * c-format.c: Include toplev.h after c-common.h.
12208         (enum format_type): Add gcc_tdiag_format_type.
12209         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12210         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12211         (format_types_orig): Add gcc_tdiag.
12212         (init_dynamic_diag_info): Support gcc_tdiag formats.
12213         (handle_format_attribute): Likewise.
12214         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12215         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12216         version for format checking to 4.1.
12217         (warning0, warning, error, pedwarn, sorry): Use
12218         ATTRIBUTE_GCC_DIAG.
12219         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12220         (finish_aliases_1): Do not use %qE.
12221         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12222         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12223         Correct format bugs.
12224         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12225         parameter to unsigned HOST_WIDE_INT.
12226         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12227
12228 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12229
12230         PR middle-end/21742
12231         * expr.c (write_complex_part): Use adjust_address for MEM.
12232         (read_complex_part): Same.
12233
12234 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12235
12236         Fix PR tree-optimization/22280
12237
12238         * tree-sra.c (generate_element_init): Remove useless loop.
12239
12240 2005-07-02  Richard Henderson  <rth@redhat.com>
12241
12242         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12243         TLS_MODEL_NONE.
12244         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12245
12246 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12247
12248         PR middle-end/14490
12249         * fold-const.c (fold_binary): Handle the return value of
12250         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12251         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12252
12253 2005-07-02  Jeff Law  <law@redhat.com>
12254
12255         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12256         a eliminate type conversion which feeds an equality comparison
12257         if the original type or either operand in the comparison is a
12258         function pointer.
12259
12260 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12261
12262         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12263         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12264         texts.
12265         * config/avr/avr.c: Do not use '`' as left quote.
12266         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12267         Remove "." from end of diagnostics.  Make diagnostics start with
12268         lowercase letter.
12269
12270 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12271             Joseph S. Myers  <joseph@codesourcery.com>
12272
12273         * toplev.c (default_tree_printer): Handle setting location with
12274         '+' flag.
12275         * c-objc.common.c (c_tree_printer): Likewise.
12276         * c-format.c (gcc_diag_flag_specs): Add '+'.
12277         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12278         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12279         formats.
12280         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12281         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12282         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12283         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12284         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12285         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12286         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12287         format arguments where %J is used without %D.
12288
12289 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12290
12291         * gcc.c (LINK_SSP_SPEC): Define.
12292         (link_ssp_spec): New variable.
12293         (LINK_COMMAND_SPEC): Add %(link_ssp).
12294         (static_specs): Add link_ssp_spec.
12295         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12296         * configure: Rebuilt.
12297         * config.in: Rebuilt.
12298
12299         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12300         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12301         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12302         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12303         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12304         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12305         -0x7008(2) instead of reading __stack_chk_guard variable.
12306         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12307         number.
12308         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12309         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12310         if TARGET_THREAD_SSP_OFFSET is defined.
12311         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12312         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12313
12314         Revert:
12315         2005-06-27  Richard Henderson  <rth@redhat.com>
12316         * libgcc-std.ver (GCC_4.1.0): New.
12317         * libgcc.h (__stack_chk_guard): Declare.
12318         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12319         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12320         * mklibgcc.in (lib2funcs): Add them.
12321
12322 2005-07-01  Richard Henderson  <rth@redhat.com>
12323
12324         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12325         void * before struct sigcontext *.
12326         (x86_fallback_frame_state): Likewise.
12327
12328 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12329
12330         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12331
12332 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12333
12334         PR tree-opt/22269
12335         * tree-ssa-reassoc.c (should_transpose): Fix which operand
12336         we check for SSA_NAME for.
12337
12338 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
12339
12340         Fix PR tree-optimization/22071
12341
12342         * tree-ssa-structalias.c (offset_overlaps_with_access): New
12343         function.
12344         (get_constraint_for_component_ref): Use it.
12345
12346 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12347
12348         PR other/22264
12349         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
12350         print out the last new line.
12351
12352 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
12353
12354         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
12355         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
12356         * config/cris/cris.c (cris_conditional_register_usage): Adjust
12357         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
12358         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
12359         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
12360         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
12361         (enum reg_class): New member CC0_REGS.
12362         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
12363         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
12364         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
12365         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
12366         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
12367         Adjust for register now described.
12368
12369 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
12370
12371         PR target/22262
12372         * config/i386/i386.md (stack_protect_test_si,
12373         stack_protect_test_di): Add earlyclobber for scratch 3.
12374         * config/rs6000/rs6000.md (stack_protect_testsi,
12375         stack_protect_testdi): Add earlyclobber for scratch 3,
12376         remove earlyclobber from scratch 4.
12377
12378 Older entries for 2005 can be found in ChangeLog-2005.