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* protoize.c, tree-cfg.c: Fix comment typos.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * protoize.c, tree-cfg.c: Fix comment typos.
4
5 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
6
7         PR c/17730
8         * c-typeck.c (lvalue_or_else): Pass msgid directly to error.
9
10 2004-09-30  Diego Novillo  <dnovillo@redhat.com>
11
12         * tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
13         expressions...
14         (add_pointed_to_expr): ... here.
15         Call add_pointed_to_expr for variables with DECL_INITIAL set.
16         * tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
17         pointer variable, if set.
18
19 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
20
21         * config/sh/sh.c: Follow spelling conventions.
22
23 2004-09-29  Richard Henderson  <rth@redhat.com>
24
25         * unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
26         * doc/tm.texi (DWARF_ZERO_REG): New.
27
28         * config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
29         alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
30         * config/alpha/alpha.h (DWARF_ZERO_REG): New.
31
32 2004-09-29  Ulrich Weigand  <uweigand@de.ibm.com>
33
34         * builtins.c (expand_builtin_strlen): Do not call emit_move_insn
35         with a PLUS as source operand.
36         (expand_movstr): Likewise.
37         (expand_builtin_stpcpy): Likewise.
38
39 2004-09-29  Richard Henderson  <rth@redhat.com>
40
41         PR 17739
42         * tree-gimple.c (is_gimple_reg): Reject hard registers.
43         (is_gimple_asm_val): New.
44         * tree-gimple.h (is_gimple_asm_val): Declare.
45         * gimplify.c (gimplify_asm_expr): Use it.
46         * tree-pretty-print.c (print_declaration): Dump hard regs.
47         * tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
48         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
49         * tree-ssa-pre.c (is_undefined_value): Likewise.
50         * tree-ssa-copy.c (may_propagate_copy): Likewise.
51         (may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
52         * tree-ssa.c (warn_uninit): Likewise.
53         * tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.
54
55 2004-09-29  Fariborz Jahanian <fjahanian@apple.com>
56
57         * c-decl.c (merge_decls): Use comptype when comparing
58         types to decide on DECL_SIZE save of olddecl.
59
60 2004-09-29  Daniel Berlin  <dberlin@dberlin.org>
61
62         * tree.h (INDIRECT_REF_P): New macro.
63         * alias.c (get_alias_set): Use it
64         (nonoverlapping_memrefs_p): Ditto.
65         * emit-rtl.c (mem_expr_equal_p): Ditto.
66         (set_mem_attributes_minus_bitpos): Ditto.
67         (is_gimple_addressable): Ditto.
68         (get_base_address): Ditto.
69         * tree-ssa-alias.c (find_ptr_derefernece): Ditto.
70         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
71         * tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
72         * tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
73         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
74         (add_address_candidates): Ditto.
75         (rewrite_address_base): Ditto.
76
77 2004-09-30  Ben Elliston  <bje@au.ibm.com>
78
79         * tree-flow.h (struct bb_ann_d): Remove num_preds member.
80         * tree-into-ssa.c (rewrite_into_ssa): Don't set it.
81         (rewrite_ssa_into_ssa): Likewise.
82         * tree-phinodes.c (create_phi_node): Access the number of
83         predecessor edges using EDGE_COUNT() and not num_preds.
84
85 2004-09-29  Joseph S. Myers  <jsm@polyomino.org.uk>
86
87         PR c/7425
88         * c-decl.c (merge_decls): Merge TREE_DEPRECATED.
89
90 2004-09-29  Eric Christopher  <echristo@redhat.com>
91
92         * fold-const.c (tree_swap_operands_p): Remove duplicated code.
93
94 2004-09-29  Hans-Peter Nilsson  <hp@axis.com>
95
96         * config/cris/cris.md (moverside, movemside): With MEM, make sure
97         the address is (plus reg mem).
98
99 2004-09-29  David Edelsohn  <edelsohn@gnu.org>
100
101         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.
102
103 2004-09-29  Nathan Sidwell  <nathan@codesourcery.com>
104
105         * tree.c (make_node_stat): Fix uninitialized warning.  Replace
106         cascaded if ... else if with a switch.
107
108 2004-09-29  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
109
110         * read-rtl.c (apply_macro_to_string): Replace index with strchr.
111
112 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
113
114         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
115         and TI_VA_LIST_FPR_COUNTER_FIELD.
116         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
117         * tree-pass.h (pass_stdarg): Add.
118         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
119         * tree-stdarg.c: New file.
120         * Makefile.in (OBJS-common): Add tree-stdarg.o.
121         (tree-stdarg.o): Add dependencies.
122         * function.h (struct function): Add va_list_gpr_size and
123         va_list_fpr_size fields.
124         * function.c (allocate_struct_function): Initialize them.
125
126         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
127         va_list_{g,f}pr_counter_field.
128         (ix86_setup_incoming_varargs): Don't do anything if reg_save
129         area will not be used.  Only save registers that tree-stdarg.c
130         detected they need saving.
131         (ix86_va_start): Don't set up fields that won't be used.
132
133         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
134         va_list_{g,f}pr_counter_field.
135         (setup_incoming_varargs): Don't do anything if reg_save
136         area will not be used.  Only save registers that tree-stdarg.c
137         detected they need saving.
138         (rs6000_va_start): Don't set up fields that won't be used.
139
140 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
141
142         * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED,
143         BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE,
144         BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_PUTCHAR, BUILT_IN_PUTCHAR_UNLOCKED,
145         BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
146         * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
147         ATTR_NONNULL_1_4): New.
148
149 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
150
151         PR tree-optimization/17697
152         * tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
153         cfg if needed.
154
155 2004-09-28  Per Bothner  <per@bothner.com>
156
157         * profile.c (branch_prob): Pass correct value to output_location,
158         even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.
159
160 2004-09-28  Richard Henderson  <rth@redhat.com>
161
162         PR 15089
163         * tree-ssa-copy.c (may_propagate_copy_into_asm): New.
164         * tree-flow.h (may_propagate_copy_into_asm): Declare.
165         * tree-ssa-ccp.c (replace_uses_in): Use it.
166         * tree-ssa-dom.c (cprop_operand): Likewise.
167
168 2004-09-28 Jeff Law  <law@redhat.com>
169
170         * tree-ssa-threadupdate.c (create_block_for_threading):  Request
171         that no outgoing edges be left in the duplicate block.  Do no
172         update information on outgoing edges or PHI nodes in target
173         blocks here.
174         (remove_ctrl_stmt_and_useless_edges): Renamed from
175         remove_last_stmt_and_useless_edges.  Handle case where the
176         block is empty or has no control statements.  Do not update edge
177         flags here.
178         (thread_block): Create a template block rather than copying the
179         original block every time.  Create outgoing edges from the
180         duplicate blocks and update PHIs at the target of the outgoing
181         edges here.  Fix edge flags for the original block if necessary.
182         * cfghooks (duplicate_block): No longer assert that the original
183         block has incoming edges.
184
185 2004-09-29  Hans-Peter Nilsson  <hp@bitrange.com>
186
187         * doc/extend.texi (Extended Asm): Add blurb about using Explicit
188         Reg Vars to enforce register allocation with general constraints.
189         (Explicit Reg Vars): Clarify relation to asm statements.
190         (Local Reg Vars): Similar.
191
192 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
193
194         * sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
195         TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
196         build_control_flow, new_edge): Remove.
197         (schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
198         (bitlst, bitlst_table_last, bitlst_table): Remove.
199         (bblst): Store basic_block pointer instead of block index.
200         (bblst_table): Likewise.
201         (edgelst): Store edge pointer instead of edge index.
202         (edgelst_table, edgelst_last): New variables.
203         (extract_bitlst): Rename to ...
204         (extract_edgelst): ... this.  Return edge pointers, not indices.
205         (split_edges): Update call.
206         (rgn_edges): Store edge pointers instead of indices.
207         (edge_to_bit): Remove.
208         (EDGE_TO_BIT): Store per-region edge index in edge->aux.
209         (SET_EDGE_TO_BIT): New macro.
210         (is_cfg_nonregular): Check for simple cases of unreachable blocks.
211         (find_rgns): Remove edge_list parameter.  Traverse standard CFG
212         data structures instead of haifa_edge et al.  Use edge pointers
213         instead of edge indices everywhere.
214         (compute_dom_prob_ps): Use standard CFG data structures.  Account
215         for exit edges.
216         (compute_trg_info): Likewise.
217         (propagate_deps): Likewise.
218         (debug_candidate): Account for bblst data structure change.
219         (check_live_1, update_live_1, is_pfree): Likewise.
220         (IS_REACHABLE): Use standard CFG data structures.
221         (init_ready_list): Update bblst_table/edgelst_table allocation.
222         (schedule_region): Update alloc/cleanup code to data structure
223         changes.  Use edge->aux to store per-region edge index.
224         (init_regions): No longer call build_control_flow.  Do not
225         create edge list any more.
226
227 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
228
229         * cse.c (cse_insn): Avoid creating direct non-local jumps.
230         * combine.c (can_combine_p): Likewise.
231         * local-alloc. (update_equiv_regs): Likewise.
232
233 2004-09-28  Richard Henderson  <rth@redhat.com>
234
235         PR 17531
236         * expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
237         Don't check VOIDmode here.  Force PLUS operands to common type.
238         (expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
239         Pmode if given a non pointer type.
240
241 2004-09-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
242
243         PR 17531
244         * optabs.c (expand_binop): Force constants to the correct mode.
245
246 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
247
248         * config/s390/s390.c (s390_adjust_cost): Remove.
249         (TARGET_SCHED_ADJUST_COST): Do not redefine.
250         (s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
251         * config/s390/s390.md ("main_pool"): Use "larl" type
252         attribute if TARGET_CPU_ZARCH.
253
254 2004-09-28  Jakub Jelinek  <jakub@redhat.com>
255
256         * config/ia64/ia64.c (ia64_expand_prologue): Declare ei
257         variable.
258
259 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
260
261         * tree-ssa-loop.c (pass_record_bounds): Do not assign a
262         name to the pass.
263
264 2004-09-28  Steven Bosscher  <stevenb@suse.de>
265
266         * common.opt (flag_gcse_sm): Disable by default.
267         (flag_gcse_las): Likewise.
268         (flag_web): Likewise.  Create from this file.
269         * flags.h: Remove flag_web declaration.
270         * toplev.c (flag_web): Likewise.
271         (process_options): Never set flag_web.
272
273 2004-09-28  Steven Bosscher  <stevenb@suse.de>
274
275         * Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
276         * tree-ssa-propagate.c: Include vec.h.
277         (interesting_ssa_edges, varying_ssa_edges): Make these VECs
278         instead of varrays.
279         (cfg_blocks_add): Assert the block is not already in the worklist.
280         Update uses of interesting_ssa_edges and varying_ssa_edges.
281         (process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
282         ssa_propagate): Likewise.
283
284 2004-09-28  Joseph S. Myers  <jsm@polyomino.org.uk>
285
286         PR c/16409
287         * c-decl.c (start_decl): Check for initializing incomplete array
288         of VLAs.
289         (build_compound_literal): Check for TYPE being error_mark_node.
290         * c-parse.in (primary): Check for VLA compound literals.
291
292 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
293
294         * tree-ssa-live.c (calculate_live_on_entry): Fix warnings
295         with --disable-checking.
296
297 2004-09-28  Devang Patel  <dpatel@apple.com>
298
299         * tree-pretty-print.c (dump_generic_node): Print vector types.
300
301 2004-09-28  Nick Clifton  <nickc@redhat.com>
302
303         * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
304         invocation of the function sh_init_cumulative_args.
305         (INIT_CUMULATIVE_LIBCALL_ARGS): Likewise.
306         (INIT_CUMULATIVE_INCOMING_ARGS): Delete.
307         * config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
308         * config/sh/sh.c (sh_init_cumulative_args): New function based
309         on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
310         heuristic added to determine the setting of force_mem when a
311         library function is being called.
312
313 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
314
315         * tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
316         Skip constant arguments.
317
318 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
319
320         * tree-ssa-alias.c (create_name_tags): If PTR points to a
321         volatile type, mark the tag volatile.
322         (get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
323         volatile.
324
325 2004-09-28  Andrew Pinski  <pinskia@physics.uc.edu>
326
327         * tree.def (vec_cond_expr): Fix. Change 'e'
328         to tcc_expression.
329
330 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
331
332         * basic-block.h: Fix a comment typo.
333
334 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
335
336         * optabs.c, optabs.h: Fix comment typos.
337
338 2004-09-28  Eric Botcazou  <ebotcazou@act-europe.fr>
339
340         * config/sparc/sparc.md (call_address_struct_value_sp32):
341         Properly mask the immediate field of the 'unimp' instruction.
342         (call_symbolic_struct_value_sp32): Likewise.
343
344 2004-09-28  Ben Elliston  <bje@au.ibm.com>
345             Steven Bosscher  <stevenb@suse.de>
346             Andrew Pinski  <pinskia@physics.uc.edu>
347
348         Merge from edge-vector-branch:
349         * basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
350         (struct edge_def): Remove pred_next, succ_next members.
351         (struct basic_block_def): Remove pred, succ members.  Add preds
352         and succs members of type VEC(edge).
353         (FALLTHRU_EDGE): Redefine using EDGE_SUCC.
354         (BRANCH_EDGE): Likewise.
355         (EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
356         (EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
357         (edge_iterator): New.
358         (ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
359         (ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
360         (FOR_EACH_EDGE): New.
361         * bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
362         where applicable.
363         (rotate_loop): Likewise.
364         (find_traces_1_route): Likewise.
365         (bb_to_key): Likewise.
366         (connect_traces): Likewise.
367         (copy_bb_p): Likewise.
368         (find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
369         (add_labels_and_missing_jumps): Likewise.
370         (fix_up_fall_thru_edges): Likewise.
371         (find_jump_block): Likewise.
372         (fix_crossing_conditional_branches): Likewise.
373         (fix_crossing_unconditional_branches): Likewise.
374         (add_reg_crossing_jump_notes): Likewise.
375         * bt-load.c (augment_live_range): Likewise.
376         * cfg.c (clear_edges): Likewise.
377         (unchecked_make_edge): Likewise.
378         (cached_make_edge): Likewise.
379         (make_single_succ_edge): Likewise.
380         (remove_edge): Likewise.
381         (redirect_edge_succ_nodup): Likewise.
382         (check_bb_profile): Likewise.
383         (dump_flow_info): Likewise.
384         (alloc_aux_for_edges): Likewise.
385         (clear_aux_for_edges): Likewise.
386         (dump_cfg_bb_info): Likewise.
387         * cfganal.c (forwarder_block_p): Likewise.
388         (can_fallthru): Likewise.
389         (could_fall_through): Likewise.
390         (mark_dfs_back_edges): Likewise.
391         (set_edge_can_fallthru_flag): Likewise.
392         (find_unreachable_blocks): Likewise.
393         (create_edge_list): Likewise.
394         (verify_edge_list): Likewise.
395         (add_noreturn_fake_exit_edges): Likewise.
396         (connect_infinite_loops_to_exit): Likewise.
397         (flow_reverse_top_sort_order_compute): Likewise.
398         (flow_depth_first_order_compute): Likewise.
399         (flow_preorder_transversal_compute): Likewise.
400         (flow_dfs_compute_reverse_execute): Likewise.
401         (dfs_enumerate_from): Likewise.
402         (compute_dominance_frontiers_1): Likewise.
403         * cfgbuild.c (make_edges): Likewise.
404         (compute_outgoing_frequencies): Likewise.
405         (find_many_sub_basic_blocks): Likewise.
406         (find_sub_basic_blocks): Likewise.
407         * cfgcleanup.c (try_simplify_condjump): Likewise.
408         (thread_jump): Likewise.
409         (try_forward_edges): Likewise.
410         (merge_blocks_move): Likewise.
411         (outgoing_edges_match): Likewise.
412         (try_crossjump_to_edge): Likewise.
413         (try_crossjump_bb): Likewise.
414         (try_optimize_cfg): Likewise.
415         (merge_seq_blocks): Likewise.
416         * cfgexpand.c (expand_gimple_tailcall): Likewise.
417         (expand_gimple_basic_block): Likewise.
418         (construct_init_block): Likewise.
419         (construct_exit_block): Likewise.
420         * cfghooks.c (verify_flow_info): Likewise.
421         (dump_bb): Likewise.
422         (delete_basic_block): Likewise.
423         (split_edge): Likewise.
424         (merge_blocks): Likewise.
425         (make_forwarder_block): Likewise.
426         (tidy_fallthru_edges): Likewise.
427         (can_duplicate_block_p): Likewise.
428         (duplicate_block): Likewise.
429         * cfglayout.c (fixup_reorder_chain): Likewise.
430         (fixup_fallthru_exit_predecessor): Likewise.
431         (can_copy_bbs_p): Likewise.
432         (copy_bbs): Likewise.
433         * cfgloop.c (flow_loops_cfg_dump): Likewise.
434         (flow_loop_entry_edges_find): Likewise.
435         (flow_loop_exit_edges_find): Likewise.
436         (flow_loop_nodes_find): Likewise.
437         (mark_single_exit_loops): Likewise.
438         (flow_loop_pre_header_scan): Likewise.
439         (flow_loop_pre_header_find): Likewise.
440         (update_latch_info): Likewise.
441         (canonicalize_loop_headers): Likewise.
442         (flow_loops_find): Likewise.
443         (get_loop_body_in_bfs_order): Likewise.
444         (get_loop_exit_edges): Likewise.
445         (num_loop_branches): Likewise.
446         (verify_loop_structure): Likewise.
447         (loop_latch_edge): Likewise.
448         (loop_preheader_edge): Likewise.
449         * cfgloopanal.c (mark_irreducible_loops): Likewise.
450         (expected_loop_iterations): Likewise.
451         * cfgloopmanip.c (remove_bbs): Likewise.
452         (fix_bb_placement): Likewise.
453         (fix_irreducible_loops): Likewise.
454         (remove_path): Likewise.
455         (scale_bbs_frequencies): Likewise.
456         (loopify): Likewise.
457         (unloop): Likewise.
458         (fix_loop_placement): Likewise.
459         (loop_delete_branch_edge): Likewise.
460         (duplicate_loop_to_header_edge): Likewise.
461         (mfb_keep_just): Likewise.
462         (create_preheader): Likewise.
463         (force_single_succ_latches): Likewise.
464         (loop_split_edge_with): Likewise.
465         (create_loop_notes): Likewise.
466         * cfgrtl.c (rtl_split_block): Likewise.
467         (rtl_merge_blocks): Likewise.
468         (rtl_can_merge_blocks): Likewise.
469         (try_redirect_by_replacing_jump): Likewise.
470         (force_nonfallthru_and_redirect): Likewise.
471         (rtl_tidy_fallthru_edge): Likewise.
472         (commit_one_edge_insertion): Likewise.
473         (commit_edge_insertions): Likewise.
474         (commit_edge_insertions_watch_calls): Likewise.
475         (rtl_verify_flow_info_1): Likewise.
476         (rtl_verify_flow_info): Likewise.
477         (purge_dead_edges): Likewise.
478         (cfg_layout_redirect_edge_and_branch): Likewise.
479         (cfg_layout_can_merge_blocks_p): Likewise.
480         (rtl_flow_call_edges_add): Likewise.
481         * cse.c (cse_cc_succs): Likewise.
482         * df.c (hybrid_search): Likewise.
483         * dominance.c (calc_dfs_tree_nonrec): Likewise.
484         (calc_dfs_tree): Likewise.
485         (calc_idoms): Likewise.
486         (recount_dominator): Likewise.
487         * domwalk.c (walk_dominator_tree): Likewise.
488         * except.c (emit_to_new_bb_before): Likewise.
489         (connect_post_landing_pads): Likewise.
490         (sjlj_emit_function_enter): Likewise.
491         (sjlj_emit_function_exit): Likewise.
492         (finish_eh_generation): Likewise.
493         * final.c (compute_alignments): Likewise.
494         * flow.c (calculate_global_regs_live): Likewise.
495         (initialize_uninitialized_subregs): Likewise.
496         (init_propagate_block_info): Likewise.
497         * function.c (thread_prologue_and_epilogue_insns): Likewise.
498         * gcse.c (find_implicit_sets): Likewise.
499         (bypass_block): Likewise.
500         (bypass_conditional_jumps): Likewise.
501         (compute_pre_data): Likewise.
502         (insert_insn_end_bb): Likewise.
503         (insert_store): Likewise.
504         (remove_reachable_equiv_notes): Likewise.
505         * global.c (global_conflicts): Likewise.
506         (calculate_reg_pav): Likewise.
507         * graph.c (print_rtl_graph_with_bb): Likewise.
508         * ifcvt.c (mark_loop_exit_edges): Likewise.
509         (merge_if_block): Likewise.
510         (find_if_header): Likewise.
511         (block_jumps_and_fallthru_p): Likewise.
512         (find_if_block): Likewise.
513         (find_cond_trap): Likewise.
514         (block_has_only_trap): Likewise.
515         (find_if_case1): Likewise.
516         (find_if_case_2): Likewise.
517         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
518         (perfect_nestify): Likewise.
519         * lcm.c (compute_antinout_edge): Likewise.
520         (compute_laterin): Likewise.
521         (compute_available): Likewise.
522         (compute_nearerout): Likewise.
523         * loop-doloop.c (doloop_modify): Likewise.
524         * loop-init.c (loop_optimizer_init): Likewise.
525         * loop-invariant.c (find_exits): Likewise.
526         * loop-iv.c (simplify_using_initial_values): Likewise.
527         (check_simple_exit): Likewise.
528         (find_simple_exit): Likewise.
529         * loop-unroll.c (peel_loop_completely): Likewise.
530         (unroll_loop_constant_iterations): Likewise.
531         (unroll_loop_runtime_iterations): Likewise.
532         * loop-unswitch.c (may_unswitch_on): Likewise.
533         (unswitch_loop): Likewise.
534         * modulo-sched.c (generate_prolog_epilog): Likewise.
535         (sms_schedule): Likewise.
536         * postreload-gcse.c (eliminate_partially_redundant_load):
537         Likewise.
538         * predict.c (can_predict_insn_p): Likewise.
539         (set_even_probabilities): Likewise.
540         (combine_predictions_for_bb): Likewise.
541         (predict_loops): Likewise.
542         (estimate_probability): Likewise.
543         (tree_predict_by_opcode): Likewise.
544         (tree_estimate_probability): Likewise.
545         (last_basic_block_p): Likewise.
546         (propagate_freq): Likewise.
547         (estimate_loops_at_level): Likewise.
548         (estimate_bb_frequencies): Likewise.
549         * profile.c (instrument_edges): Likewise.
550         (get_exec_counts): Likewise.
551         (compute_branch_probabilities): Likewise.
552         (branch_prob): Likewise.
553         * ra-build.c (live_in): Likewise.
554         * ra-rewrite.c (rewrite_program2): Likewise.
555         * ra.c (reg_alloc): Likewise.
556         * reg-stack.c (reg_to_stack): Likewise.
557         (convert_regs_entry): Likewise.
558         (compensate_edge): Likewise.
559         (convert_regs_1): Likewise,
560         (convert_regs_2): Likewise.
561         (convert_regs): Likewise.
562         * regrename.c (copyprop_hardreg_forward): Likewise.
563         * reload1.c (fixup_abnormal_edges): Likewise.
564         * sbitmap.c (sbitmap_intersection_of_succs): Likewise.
565         (sbitmap_insersection_of_preds): Likewise.
566         (sbitmap_union_of_succs): Likewise.
567         (sbitmap_union_of_preds): Likewise.
568         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
569         (fix_basic_block_boundaries): Likewise.
570         (sched_ebbs): Likewise.
571         * sched-rgn.c (build_control_flow): Likewise.
572         (find_rgns): Likewise.
573         * tracer.c (find_best_successor): Likewise.
574         (find_best_predecessor): Likewise.
575         (tail_duplicate): Likewise.
576         * tree-cfg.c (make_edges): Likewise.
577         (make_ctrl_stmt_edges): Likewise.
578         (make_goto_expr_edges): Likewise.
579         (tree_can_merge_blocks_p): Likewise.
580         (tree_merge_blocks): Likewise.
581         (cfg_remove_useless_stmts_bb): Likewise.
582         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
583         (tree_block_forwards_to): Likewise.
584         (cleanup_control_expr_graph): Likewise.
585         (find_taken_edge): Likewise.
586         (dump_cfg_stats): Likewise.
587         (tree_cfg2vcg): Likewise.
588         (disband_implicit_edges): Likewise.
589         (tree_find_edge_insert_loc): Likewise.
590         (bsi_commit_edge_inserts): Likewise.
591         (tree_split_edge): Likewise.
592         (tree_verify_flow_info): Likewise.
593         (tree_make_forwarder_block): Likewise.
594         (tree_forwarder_block_p): Likewise.
595         (thread_jumps): Likewise.
596         (tree_try_redirect_by_replacing_jump): Likewise.
597         (tree_split_block): Likewise.
598         (add_phi_args_after_copy_bb): Likewise.
599         (rewrite_to_new_ssa_names_bb): Likewise.
600         (dump_function_to_file): Likewise.
601         (print_pred_bbs): Likewise.
602         (print_loop): Likewise.
603         (tree_flow_call_edges_add): Likewise.
604         (split_critical_edges): Likewise.
605         (execute_warn_function_return): Likewise.
606         (extract_true_false_edges_from_block): Likewise.
607         * tree-if-conv.c (tree_if_conversion): Likewise.
608         (if_convertable_bb_p): Likewise.
609         (find_phi_replacement_condition): Likewise.
610         (combine_blocks): Likewise.
611         * tree-into-ssa.c (compute_global_livein): Likewise.
612         (ssa_mark_phi_uses): Likewise.
613         (ssa_rewrite_initialize_block): Likewise.
614         (rewrite_add_phi_arguments): Likewise.
615         (ssa_rewrite_phi_arguments): Likewise.
616         (insert_phi_nodes_for): Likewise.
617         (rewrite_into_ssa): Likewise.
618         (rewrite_ssa_into_ssa): Likewise.
619         * tree-mudflap.c (mf_build_check_statement_for): Likewise.
620         * tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
621         (rewrite_trees): Likewise.
622         * tree-pretty-print.c (dump_bb_header): Likewise.
623         (dump_implicit_edges): Likewise.
624         * tree-sra.c (insert_edge_copies): Likewise.
625         (find_obviously_necessary_stmts): Likewise.
626         (remove_data_stmt): Likewise.
627         * tree-ssa-dom.c (thread_across_edge): Likewise.
628         (dom_opt_finalize_block): Likewise.
629         (single_incoming_edge_ignoring_loop_edges): Likewise.
630         (record_equivalences_from_incoming_edges): Likewise.
631         (cprop_into_successor_phis): Likewise.
632         * tree-ssa-live.c (live_worklist): Likewise.
633         (calculate_live_on_entry): Likewise.
634         (calculate_live_on_exit): Likewise.
635         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
636         (copy_loop_headers): Likewise.
637         * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
638         (fill_always_executed_in): Likewise.
639         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
640         * tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
641         (compute_phi_arg_on_exit): Likewise.
642         * tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
643         (get_loops_exit): Likewise.
644         (split_loop_exit_edge): Likewise.
645         (ip_normal_pos): Likewise.
646         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
647         Likewise.
648         * tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
649         (replace_phi_with_stmt): Likewise.
650         (value_replacement): Likewise.
651         * tree-ssa-pre.c (compute_antic_aux): Likewise.
652         (insert_aux): Likewise.
653         (init_pre): Likewise.
654         * tree-ssa-propagate.c (simulate_stmt): Likewise.
655         (simulate_block): Likewise.
656         (ssa_prop_init): Likewise.
657         * tree-ssa-threadupdate.c (thread_block): Likewise.
658         (create_block_for_threading): Likewise.
659         (remove_last_stmt_and_useless_edges): Likewise.
660         * tree-ssa.c (verify_phi_args): Likewise.
661         (verify_ssa): Likewise.
662         * tree_tailcall.c (independent_of_stmt_p): Likewise.
663         (find_tail_calls): Likewise.
664         (eliminate_tail_call): Likewise.
665         (tree_optimize_tail_calls_1): Likewise.
666         * tree-vectorizer.c (vect_transform_loop): Likewise.
667         * var-tracking.c (prologue_stack_adjust): Likewise.
668         (vt_stack_adjustments): Likewise.
669         (vt_find_locations): Likewise.
670         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
671         * config/i386/i386.c (ix86_pad_returns): Likewise.
672         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
673         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
674
675 2004-09-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
676
677         PR target/16532
678         * config/sparc/sparc.c (struct machine_function): New field
679         'leaf_function_p' and 'prologue_data_valid_p'.
680         (sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
681         to conveniently access the above fields.
682         (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Delete.
683         (eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
684         of the generic flavor 'current_function_uses_only_leaf_regs'.
685         (eligible_for_sibcall_delay): Likewise.
686         (sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
687         'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
688         (sparc_asm_function_prologue): Add sanity check for the assumption
689         made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
690         (sparc_can_use_return_insn_p): New function.
691         (sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
692         (output_restore): Likewise.
693         (output_sibcall): Likewise.
694         (sparc_output_mi_thunk): Likewise.
695         * config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
696         * config/sparc/sparc.md (return): New expander.
697
698         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.
699
700 2004-09-27  Mark Mitchell  <mark@codesourcery.com>
701
702         PR c++/17642
703         * stor-layout.c (layout_decl): Use fold_convert, not convert.
704         (bit_from_pos): Likewise.
705         (byte_from_pos): Likewise.
706         (pos_from_bit): Likewise.
707         (normalize_offset): Likewise.
708         (place_field): Likewise.
709         (finalize_type_size): Likewise.
710         (layout_type): Likewise.
711         * tree.c (build_index_type): Likewise.
712
713 2004-09-27  Devang Patel  <dpatel@apple.com>
714
715         * expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
716         * genopinit.c (optabs): New entry for vcond_gen_code and
717         vcondu_gen_code.
718         * optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
719         (get_rtx_code): New function.
720         (vector_compare_rtx): New function.
721         (init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
722         (expand_vec_cond_expr_p): New function.
723         (expand_vec_cond_expr): New function.
724         (get_vcond_icode): New function.
725         * optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
726         (vcond_gen_code, vcondu_gen_code): Same.
727
728 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
729
730         * Makefile.in (STAGESTUFF): Split into ...
731         (STAGECOPYSTUFF, STAGEMOVESTUFF): ... these.
732         (mostlyclean): Update.
733         (stage1-start, stage2-start, stage3-start, stage4-start,
734         stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.
735         Move the STAGEMOVESTUFF.
736
737 2004-09-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
738
739         * system.h (getpagesize): Return 'int' instead of 'long'.
740
741 2004-09-27  Michael Matz <matz@suse.de>
742
743         PR bootstrap/17698
744         PR bootstrap/17702
745         * bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
746         bmp_iter_and_init): Shift by bit_in_word.
747
748 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
749
750         * aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
751         * configure.ac: Don't sinclude it here.
752         * configure: Regenerate.
753
754 2004-09-27  Dorit Naishlos  <dorit@il.ibm.com>
755
756         * config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
757         Handle AND pattern
758
759 2004-09-27  Joseph S. Myers  <jsm@polyomino.org.uk>
760
761         PR c/13804
762         * c-typeck.c (build_component_ref): Name type involved in
763         diagnostic for structure or union without a member of the given
764         name.
765
766 2004-09-27  DJ Delorie  <dj@redhat.com>
767
768         * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
769         .comm alignment is bytes, not bits.
770
771 2004-09-27  Devang Patel  <dpatel@apple.com>
772
773         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
774         (print_call_name): Do not print VEC_COND_EXPR.
775
776 2004-09-27  Devang Patel  <dpatel@apple.com>
777
778         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
779
780 2004-09-27  Jan Hubicka  <jh@suse.cz>
781
782         * i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.
783
784 2004-09-27  Kazu Hirata  <kazu@cs.umass.edu>
785
786         * bitmap.h: Fix a comment typo.
787
788 2004-09-27  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
789
790         * libgcc2.c (getpagesize): Change type of return value to int.
791
792 2004-09-26  Matt Austern  <austern@apple.com>
793
794         * ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
795         using mmap.
796
797 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
798
799         * bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP,
800         EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
801         (bitmap_iterator): New type.
802         (bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
803         bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
804         bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
805         bmp_iter_and_init, bmp_iter_and_next): New functions.
806         * basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
807         EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to
808         use iterator-style EXECUTE_IF_IN_BITMAP macros.
809         * bitmap.c (bitmap_print): Ditto.
810         * bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
811         btr_def_live_range): Ditto.
812         * cfganal.c (compute_dominance_frontiers_1) Ditto.
813         * cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
814         Ditto.
815         * ddg.c (build_inter_loop_deps): Ditto.
816         * df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
817         Ditto.
818         * except.c (remove_eh_handler): Ditto.
819         * flow.c (reg_set_to_hard_reg_set): Ditto.
820         * gcse.c (clear_modify_mem_tables): Ditto.
821         * global.c (build_insn_chain): Ditto.
822         * ifcvt.c (dead_or_predicable): Ditto.
823         * loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
824         Ditto.
825         * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
826         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
827         detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
828         * tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
829         tree_purge_all_dead_eh_edges): Ditto.
830         * tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
831         insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
832         rewrite_ssa_into_ssa): Ditto.
833         * tree-outof-ssa.c (find_replaceable_exprs): Ditto.
834         * tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
835         Ditto.
836         * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
837         compute_flow_sensitive_aliasing, maybe_create_global_var,
838         dump_points_to_info_for): Ditto.
839         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
840         * tree-ssa-dse.c (dse_finalize_block): Ditto.
841         * tree-ssa-live.c (live_worklist, calculate_live_on_entry,
842         calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
843         Ditto.
844         * tree-ssa-loop-ivopts.c (find_induction_variables,
845         find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
846         determine_use_iv_costs, determine_set_costs, find_best_candidate,
847         set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
848         Ditto.
849         * tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
850         * tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
851         add_call_read_ops): Ditto.
852         * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.
853
854 2004-09-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
855
856         * pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,
857         UNGE, UNGT, UNEQ, UNORDERED and ORDERED comparisons.
858
859 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
860
861         * builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
862         reflect size of memory regions being compared.
863
864 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
865
866         * builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
867         expressions.  Always clear MEM_SIZE and alias set.
868
869 2004-09-26  Roger Sayle  <roger@eyesopen.com>
870             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
871
872         PR middle-end/17112
873         * stor-layout.c (compute_record_mode): For records with a single
874         field, only use the field's mode if its size matches what we'd
875         have choosen for the record ourselves.  This forces the use of
876         BLKmode for packed records that don't completely fill a mode.
877
878 2004-09-26  Roger Sayle  <roger@eyesopen.com>
879
880         PR middle-end/17151
881         * combine.c (force_to_mode): Remove dubious early return test that
882         inhibits further optimization.
883
884 2004-09-26  Kazu Hirata  <kazu@cs.umass.edu>
885
886         * profile.c: Fix a comment typo.
887
888 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
889
890         PR bootstrap/17591
891         * tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
892         with varying offset.
893         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
894         (idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
895         ARRAY_REFS.
896         (expr_invariant_in_loop_p): New function.
897         (idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
898         component_ref_field_offset for COMPONENT_REFs.  Do not allow
899         ALIGN_INDIRECT_REFs and MISALIGNED_INDIRECT_REFs.
900         (add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
901         MISALIGNED_INDIRECT_REFs.
902         (idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
903         (rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and
904         MISALIGNED_INDIRECT_REFs.
905
906 2004-09-26  Joseph S. Myers  <jsm@polyomino.org.uk>
907
908         PR c/11459
909         * gcc.c (cpp_options, cc1_options): Preserve relative order of
910         -std and -ansi options.
911
912 2004-09-26  Jan Hubicka  <jh@suse.cz>
913
914         * dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
915         for nested functions whose proper parent has not been output.
916
917         * profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
918         when re-constructing profile previously invalidated by loop.
919
920 2004-09-25  Dale Johannesen  <dalej@apple.com>
921
922         * tree-gimple.c:  Move GIMPLE definition...
923         * doc/tree-ssa.texi:  here.
924
925 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
926
927         * tree-vectorizer.c: Fix a comment typo.
928
929 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
930
931         * c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
932         gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
933         lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
934         tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.
935
936 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
937
938         * tree-ssa-loop-unswitch.c: Fix a comment typo.
939
940 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
941
942         * doc/passes.texi: Fix a typo.
943
944 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
945
946         * tree-optimize.c (init_tree_optimization_passes): Add
947         pass_record_bounds.
948         * tree-pass.h (pass_record_bounds): Declare.
949         * tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
950         New pass.
951
952 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
953
954         PR tree-optimization/17474
955         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
956         offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.
957
958 2004-09-25  Jan Hubicka  <jh@suse.cz>
959
960         * predict.c (counts_to_freqs): Make global.
961         * predict.h (counts_to_freqa): Declare.
962         * profile.c (compute_branch_probabilities): Compute frequencies
963         * tree-profile.c (do_tree_profiling): Refine conditional on when
964         tree profiling pass is needed.
965
966         * passes.c (rest_of_handle_cfg): Disable const/pure function
967         detection when doing tree based profiling.
968
969         * tree-inline.c (expand_call_inline): Fix incorrectly reversed
970         conditional.
971
972 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
973
974         * config/mips/mips.h (struct mips_args): Clarify comments.
975         * config/mips/mips.c (struct mips_arg_info): Likewise.
976         (mips_arg_info): Don't allow fpr_p to affect the register or
977         stack alignment.  Remove o64 silliness.
978         (function_arg): Deal with the o32 float,float case specially.
979
980 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
981
982         * config/mips/mips.md (loadx, storex): Define for V2SF.
983
984 2004-09-25  Ulrich Weigand  <uweigand@de.ibm.com>
985
986         * config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
987         * config/s390/s390.c (s390_back_chain_rtx): New function.
988         * config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
989         Call anti_adjust_stack.
990         ("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
991         only if compiling with back chain.
992         ("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
993         back chain only if back chain enabled.  Use s390_back_chain_rtx.
994
995 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
996
997         * doc/trouble.texi: Remove obsolete information.  Update
998         information on how to regenerate fixincluded headers.
999
1000 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
1001
1002         PR c/12951
1003         * doc/invoke.texi: Document that
1004         -Wno-error-implicit-function-declaration is not accepted.
1005
1006 2004-09-24  Richard Henderson  <rth@redhat.com>
1007
1008         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
1009         * config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
1010         on TARGET_MAX.
1011         (alpha_expand_mov): Allow unaligned vectors.
1012         (alpha_expand_unaligned_store): Use CONST0_RTX.
1013         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.
1014
1015 2004-09-24 Jeff Law  <law@redhat.com>
1016
1017         * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
1018         aliasing rules.
1019         (simplify_cond_and_lookup_avail_expr): Likewise.
1020
1021 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1022
1023         PR c/12802
1024         * doc/extend.texi (Unnamed Fields): Remove "." from end of long
1025         title.  Document interaction with -fms-extensions.
1026         * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
1027         section.
1028
1029 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1030
1031         PR c/12713
1032         * doc/extend.texi: Document interaction of attribute noreturn and
1033         longjmp.
1034
1035 2004-09-24  Richard Henderson  <rth@redhat.com>
1036
1037         PR rtl-opt/17503
1038         * regclass.c (subregs_of_mode): Turn into an htab.  Make static.
1039         (som_hash, som_eq): New.
1040         (init_subregs_of_mode, record_subregs_of_mode): New.
1041         (cannot_change_mode_set_regs): Rewrite for htab implementation.
1042         (invalid_mode_change_p): Likewise.
1043         * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
1044         * flow.c (mark_used_regs): Likewise.
1045         (life_analysis): Use init_subregs_of_mode.
1046         * regs.h (subregs_of_mode): Remove.
1047         * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.
1048
1049 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
1050
1051         * tree-ssa-phiopt.c (conditional_replacement): Use the correct
1052         type with the copy of the conditional.
1053
1054 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
1055
1056         PR tree-opt/16954
1057         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1058         Prevent renaming if the aliasing sets of the type which the
1059         pointer points to are different.
1060
1061 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1062
1063         PR c/17188
1064         * c-decl.c (diagnose_mismatched_decls): Check for duplicate
1065         declarations of enumerators.
1066         (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
1067         for redefinition.  Check for nested redefinition.
1068         (finish_struct): Don't check for nested redefinition.
1069         (start_enum): Check for nested redefinition.
1070
1071 2004-09-24  Devang Patel  <dpatel@apple.com>
1072
1073         * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
1074         only when necesssary.
1075         (combine_blocks): Combine loop header and exit block.
1076
1077 2004-09-24  Paolo Bonzini  <bonzini@gnu.org>
1078
1079         * hooks.c (hook_tree_tree_bool_null): New.
1080         * hooks.h (hook_tree_tree_bool_null): Declare it.
1081         * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
1082         * targhooks.c (default_fold_builtin): Remove.
1083         * targhooks.h (default_fold_builtin): Remove.
1084
1085 2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1086
1087         PR rtl-optimization/17625
1088         * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.
1089
1090 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
1091
1092         PR tree-opt/17624
1093         * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
1094         Reject if any of the operands occur in an abnormal PHI.
1095
1096 2004-09-24  Andreas Schwab  <schwab@suse.de>
1097
1098         * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
1099         rules.
1100
1101 2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
1102
1103         * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
1104         if the GNU assembler is used.
1105         (sparc-*-solaris2*): Likewise.
1106         * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
1107         (dbxout_function_end): Protect N_ENSYM with it.
1108         (dbxout_begin_prologue): Protect N_BNSYM with it.
1109         * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
1110         * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
1111         * config/sparc/sol2-gas.h: New file.
1112
1113 2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>
1114
1115         PR bootstrap/17369
1116         * Makefile.in (@set_gcc_lib_path@): Added.
1117
1118         * configure.ac: Include ../config/gcc-lib-path.m4. Use
1119         TL_AC_GNU_MAKE_GCC_LIB_PATH.
1120         * configure: Regenerated.
1121
1122 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
1123
1124         PR c/6980
1125         * c-typeck.c (build_c_cast): Improve wording of
1126         -Wbad-function-cast diagnostic.
1127
1128 2004-09-23  Hans-Peter Nilsson  <hp@axis.com>
1129
1130         PR target/17626
1131         * config/cris/cris.md (moverside, movemside): Rename variable
1132         "reg" to "otherop".  To generate canonical RTX, check that otherop
1133         isn't constant instead of checking that operand 1 is a register.
1134
1135 2004-09-23  Jakub Jelinek  <jakub@redhat.com>
1136
1137         * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.
1138
1139 2004-09-23  Diego Novillo  <dnovillo@redhat.com>
1140             Jakub Jelinek  <jakub@redhat.com>
1141
1142         * tree-flow.h (find_new_referenced_vars): Add prototype.
1143         * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
1144         Move to...
1145         * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
1146         ... here.
1147         (mark_new_vars_to_rename): Walk through all operands.
1148         * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
1149         (execute_fold_all_builtins): Use it.
1150         (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.
1151
1152 2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>
1153
1154         * gthr-tpf.h: New file.
1155         * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
1156         * gthr.h: Use gthr-tpf.h on TPF OS.
1157
1158 2004-09-23 Jeff Law  <law@redhat.com>
1159
1160         * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
1161         than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
1162         (substitute_and_fold):  Likewise.
1163         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
1164         except invariants from SSA_NAME_VALUE.
1165         (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
1166         and SET_SSA_NAME_EQUIV.
1167         (restore_vars_to_original_value, record_const_or_copy): Likewise.
1168         (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
1169         (record_equality, cprop_into_successor_phis): Likewise.
1170         (record_equivalences_from_stmt, cprop_operand): Likewise.
1171         (lookup_avail_expr): Likewise.
1172         * tree-ssa-pre.c (fini_pre): Remove everything except invariants
1173         from SSA_NAME_VALUE.
1174         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
1175         (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
1176         annotation from the VALUE_HANDLE field.
1177
1178 2004-09-21 Fariborz Jahanian <fjahanian@apple.com>
1179
1180         PR c++/13989
1181         PR c++/9844
1182         * tree.c (reconstruct_complex_type): Remove extra "this".
1183         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
1184         Add V4SFmode to case statement.
1185
1186 2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>
1187
1188         PR c/16833
1189         * doc/extend.texi, doc/invoke.texi: Document interaction of
1190         -fno-builtin with format checks.  Note that built-in functions
1191         have effects beyond generating code that avoids calls to those
1192         functions.
1193
1194 2004-09-23  Frank Ch. Eigler <fche@redhat.com>
1195
1196         PR tree-optimization/17533
1197         * dominance.c (verify_dominators): Tolerate even more incorrect
1198         dominance data during error message printing.
1199         * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
1200         and edges more correctly.
1201
1202 2004-09-23  Dorit Naishlos <dorit@il.ibm.com>
1203
1204         * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
1205         New tree-codes.
1206         * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
1207         MISALIGNED_INDIRECT_REF.
1208         * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
1209         * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
1210         Likewise.
1211         * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
1212         (find_interesting_uses_address): Likewise.
1213         * fold-const.c (non_lvalue, operand_equal_p): Likewise.
1214         (build_fold_addr_expr_with_type): Likewise.
1215         * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
1216         * print-rtl.c (print_mem_expr): Likewise.
1217         * tree-dump.c (dequeue_and_dump): Likewise.
1218         * tree-eh.c (tree_could_trap_p): Likewise.
1219         * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
1220         * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
1221         * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
1222         Likewise.
1223         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1224         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
1225         * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
1226         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
1227         (add_address_candidates, rewrite_address_base): Likewise.
1228         * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
1229         Likewise.
1230         * tree.c (staticp, build1_stat): Likewise.
1231
1232         * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
1233         * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
1234         * tree-ssa-operands.c (get_expr_operands): Likewise.
1235         * expr.c (expand_expr_real_1): Likewise.
1236
1237         * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
1238         optabs.
1239         (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
1240         for the new optabs.
1241         (expand_ternary_op): New function.
1242         * genopinit.c (optabs): Handle the new optabs.
1243         * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
1244         (init_optabs): Initialize vec_realign_load_optab.
1245         (expand_ternary_op): New functions.
1246
1247         * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
1248         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
1249         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
1250         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
1251         * target.h (struct vectorize): New member for struct gcc_target.
1252         (misaligned_mem_ok): New member for targetm.vectorize.
1253         (builtin_mask_for_load): Likewise.
1254         (builtin_mask_for_store): Likewise.
1255         * targethooks.c (default_vect_misaligned_mem_ok): New function.
1256         * targethooks.h (default_vect_misaligned_mem_ok): New function.
1257
1258         * config/rs6000/altivec.md (build_vector_mask_for_load): New
1259         define_expand.
1260         (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
1261         (vec_realign_load_v16qi): New define_insn.
1262         * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
1263         (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
1264         * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
1265         (altivec_builtin_mask_for_store): New variables.
1266         (rs6000_builtin_mask_for_load): New function. Implements
1267         TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
1268         (rs6000_builtin_mask_for_store): New function. Implements
1269         TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
1270         (rs6000_expand_builtin): Expand the target builtins
1271         builtin_mask_for_load and builtin_mask_for_store.
1272         (altivec_init_builtins): Initialize the new target builtins.
1273         * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
1274         Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.
1275
1276         * tree-vectorizer.c (vect_create_data_ref): Renamed to
1277         vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
1278         (vect_create_addr_base_for_vector_ref): Additional argument (offset).
1279         (vectorizable_store): Call vect_create_data_ref_ptr with additional
1280         arguments, and create an indirect_ref with its return value data_ref.
1281         Check aligned_access_p.
1282         (vectorizable_load): Handle misaligned loads, using software-pipelined
1283         scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
1284         vec_realign_load_optab is supported, or using a scheme without
1285         software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
1286         misaligned_mem_ok is supported.
1287
1288         (vect_finish_stmt_generation): Typo.
1289         (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
1290         (vect_analyze_data_refs_alignment): Don't fail vectorization in the
1291         presence of misaligned loads.
1292         (vect_analyze_data_ref_access): Add check for constant init.
1293         (vect_get_symbl_and_dr): Remove duplicate line.
1294         * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.
1295
1296 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
1297
1298         * builtins.c: Fix a comment typo.
1299
1300 2004-09-23  Jan Hubicka  <jh@suse.cz>
1301
1302         * profile.c (branch_prob): Do not verify flow info in the middle of the
1303         pass.
1304
1305 2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1306
1307         * cfgloop.h (update_single_exits_after_duplication): Declare.
1308         (loopify, split_loop_bb): Declaration changed.
1309         * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
1310         of rtx.
1311         (loopify): Added redirect_all_edges argument.
1312         (update_single_exits_after_duplication): Export.
1313         * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
1314         * tree-flow.h (tree_duplicate_loop_to_header_edge,
1315         tree_ssa_loop_version): Declare.
1316         * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
1317         set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
1318         lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
1319         lv_update_pending_stmts, tree_ssa_loop_version): New functions.
1320
1321         * tree-ssa-loop-unswitch.c: New file.
1322         * Makefile.in (tree-ssa-loop-unswitch.o): Add.
1323         * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
1324         * tree-flow.h (tree_ssa_unswitch_loops): Declare.
1325         * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
1326         * tree-pass.h (pass_unswitch): Declare.
1327         * tree-ssa-loop.c (tree_ssa_loop_unswitch,
1328         gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
1329         * doc/passes.texi: Documen tree level loop unswitching.
1330
1331 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
1332
1333         * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.
1334
1335 2004-09-22  Eric Christopher  <echristo@redhat.com>
1336
1337         * builtins.c (simplify_builtin_va_start): Remove.
1338         (simplify_builtin): Ditto.
1339         (fold_builtin_strchr): Ditto.
1340         (simplify_builtin_*): Rename remainders to fold_builtin_*.
1341         (expand_builtin): Fix up for above changes.
1342         (fold_builtin_1): Add new folders. Change for above.
1343         (expand_builtin_va_start): Call fold_builtin_next_arg.
1344         * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
1345         * tree.h: Remove prototype for simplify_builtin.
1346
1347 2004-09-23  Jan Hubicka  <jh@suse.cz>
1348
1349         PR debug/17389
1350         * dwarf2out.c (dwarf2out_finish): Deal with nested functions
1351         of fully inlined functions.
1352         * tree-inline.c (inline_forbidden_p_1): Nested functions can be
1353         inlined.
1354
1355         * cfgexpand.c (add_reg_br_prob_note): New function.
1356         (expand_gimple_cond_expr): Use it.
1357         (tree_expand_cfg): No longer kill the profile.
1358         * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
1359         only if it is present.
1360         * passes.c (rest_of_handle_loop_optimize): Kill the profile.
1361         * predict.c (combine_predictions_for_insn): Set the probabilities
1362         based on REG_BR_PROB note if present.
1363         * predict.c (branch_prob): Profile is read only with
1364         flag_branch_probabilities.
1365
1366 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
1367
1368         * aclocal.m4: Add in gettext's m4 includes.
1369         (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
1370         * configure.ac: Add in check for iconv.h
1371         * configure: Regenerate.
1372
1373 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
1374
1375         * aclocal.m4: Update for rename of gettext-sister.m4.
1376
1377 2004-09-22  Daniel Berlin <dberlin@dberlin.org>
1378
1379         Fix PR tree-optimization/17587
1380         * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
1381         (insert_aux): Instead of here.
1382
1383 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
1384
1385         PR tree-optimization/16721
1386         * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
1387         * tree-ssa-alias.c (create_memory_tag): Move setting of
1388         TREE_THIS_VOLATILE ...
1389         (get_tmt_for): ... here.
1390
1391 2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
1392
1393         * config/sparc/sparc.md (cmove splitter): Fix formatting.
1394         (conditional_trap expander): Reject inappropriate CCmodes.
1395         (conditional trap insn): Use V9 syntax if possible.
1396
1397 2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1398
1399         PR c/16566
1400         * c-typeck.c (build_component_ref): Don't special-case
1401         COMPOUND_EXPR.
1402
1403 2004-09-22  Frank Ch. Eigler  <fche@redhat.com>
1404
1405         * dominance.c (verify_dominators): Don't SEGV if recount_dominator
1406         returns NULL.
1407
1408 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
1409
1410         * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
1411         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
1412         TRUTH_XOR_EXPR): Mention the restriction on types.
1413
1414 2004-09-22  Matt Austern  <austern@apple.com>
1415
1416         * config/darwin.c (darwin_make_decl_one_only):
1417         Allow coalesced symbol to appear in static archive's table of contents
1418
1419 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
1420
1421         PR tree-optimization/17512
1422         * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
1423         special cases.
1424
1425 2004-09-22  David Edelsohn  <edelsohn@gnu.org>
1426
1427         * dbxout.c (get_lang_number): Do not define if
1428         DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.
1429
1430 2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>
1431
1432         PR target/15583
1433         * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
1434         builtin_define ("__USE_INIT_FINI__").
1435
1436 2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>
1437
1438         * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
1439         * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
1440         * config/s390/s390.h (TARGET_TPF): New macro.
1441         * config/s390/s390.md ("eh_return"): New expander.
1442         * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
1443         unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
1444         (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
1445         * config/s390/tpf.h (TARGET_TPF): Define to 1.
1446         (STACK_POINTER_OFFSET): Increase to 448.
1447         (TARGET_DEFAULT): Set -mtpf-trace on as default.
1448         (TPF_LOC_DIFF_OFFSET): New macro.
1449         (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
1450         encoding.
1451         (__isPATrange): Add prototype.
1452         (MD_FALLBACK_FRAME_STATE_FOR): Define.
1453         * config/s390/tpf-eh.c: New file.
1454
1455 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
1456
1457         * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
1458         operands in an integer comparison.
1459         * tree-cfg.c (find_taken_edge): Call fold() to determine
1460         whether the predicate is known.
1461
1462 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
1463
1464         * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
1465         * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
1466         Create build and doc directories along with the language directories.
1467         Don't create doc directory separately.
1468         * configure: Regenerate.
1469         * Makefile.in: Create all object and executables files built
1470         with the build compiler in a build/ directory.
1471         (genobjnames): Add missing build objects.
1472         (STAGESTUFF): Don't stage the gen* programs.
1473         (ggc-none.o): Define dependencies for the target compiler.
1474         (build-print-rtl.o): Rename to build/print-rtl.o.
1475         (build-errors.o): Rename to build/errors.o.
1476         (build-varray.o): Rename to build/varray.o.
1477         (maintainerclean): Delete the contents of the build directory.
1478         ($(genobjs): %.o): Explicitly use -o.
1479         (build/insn-conditions.o): Delete specfic rule to use generic rule.
1480         (build/gengtype-lex.o): Likewise.
1481         (build/gengtype-yacc.o): Likewise.
1482         (build/gcov-iov.o): Likewise.
1483
1484 2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>
1485
1486         * vec.h (VEC_space): Return true if there _is_ space.
1487         (VEC_reserve): Adjust.
1488
1489 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
1490
1491         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
1492         use FPRs for scalar, complex and vector types only.
1493
1494 2004-09-21 Jeff Law  <law@redhat.com>
1495
1496         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
1497         the opt_stats_d structure.
1498         (vrp_data): Change from a varray into a hash table.
1499         (vrp_hash_elt): New structure for elements in the vrp hash table.
1500         (vrp_hash, vrp_eq):New functions for hashing and testing equality
1501         in the vrp hash table.
1502         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
1503         initialization slightly to make it easier to read.  No longer need
1504         to grow/clear the varray.  Instead empty and delete the hash table.
1505         (dom_opt_finalize_block): Update due to change of VRP_DATA from
1506         a varray to a hash table.
1507         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
1508
1509         * tree-ssa-ccp.c (get_default_value): If we have a constant
1510         value recorded for an SSA_NAME, then use that constant as
1511         the initial lattice value.
1512         (substitute_and_fold): Transfer equivalences discovered into
1513         SSA_NAME_EQUIV.
1514
1515         * tree.h (SSA_NAME_EQUIV): Add comments.
1516         (SET_SSA_NAME_EQUIV): Similarly.
1517
1518 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
1519
1520         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
1521
1522         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
1523
1524 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
1525
1526         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
1527         (finish_decl): Likewise.
1528
1529 2004-09-21  Devang Patel  <dpatel@apple.com>
1530
1531         * tree.def (VEC_COND_EXPR): New tree node.
1532         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
1533
1534 2004-09-21  Stan Shebs  <shebs@apple.com>
1535
1536         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
1537         * config/rs6000/darwin-world.asm: Likewise.
1538
1539 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
1540
1541         * tree-ssa.c (verify_def): Use print_generic_stmt,
1542         not debug_generic_stmt.
1543         (verify_use): Ditto.
1544         (verify_phi_args): Ditto.
1545         (verify_ssa): Ditto.
1546
1547 2004-09-21  Paul Brook  <paul@codesourcery.com>
1548
1549         * varasm.c (default_assemble_integer): Return false for values wider
1550         than the target word size.  Works around GAS bug.
1551
1552 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
1553
1554         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
1555         gets value 0.
1556         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
1557         if it has value 0.
1558
1559 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
1560
1561         * c-typeck.c (build_function_call): Give name of object
1562         we are attempting to call in error message.
1563         * c-objc-common.c (c_tree_printer): Call pp_expression,
1564         not return false, for 'E' case.
1565
1566 2004-09-21  Steven Bosscher  <stevenb@suse.de>
1567
1568         PR rtl-optimization/17482
1569         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
1570         load_killed_in_block_p): Clarify comments.
1571         (record_last_reg_set_info): Make static inline.
1572         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
1573         (record_opr_changes): New function to replace the above.
1574         (compute_hash_table): Clarify comments.  Use record_opr_changes.
1575         (reg_set_between_after_reload_p): Clean up.
1576         (reg_used_between_after_reload_p): Likewise.
1577         (eliminate_partially_redundant_load): Clarify comments.
1578
1579 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1580
1581         PR rtl-optimization/17266
1582         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
1583
1584 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
1585
1586         PR rtl-optimization/14851
1587         * rtlanal.c (commutative_operand_precedence): Calculate
1588         precedence of stripped constant.
1589
1590 2004-09-20 Jeff Law  <law@redhat.com>
1591            Jan Hubicka  <jh@suse.cz>
1592
1593         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
1594         initialize key elements here.
1595         (release_ssa_name): Zero the released SSA_NAME here.
1596         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
1597         (struct tree_ssa_name): Add new "equiv" field.
1598         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
1599         (tree_ssa_dominator_optimize): No longer allocate, resize or
1600         clear CONST_AND_COPIES.
1601         (get_value_for, set_value_for): Kill.
1602         (thread_across_edge): Get/set the equivalency using
1603         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
1604         (restore_vars_to_original_value): Likewise.
1605         (record_equivalences_from_phis): Likewise.
1606         (record_dominating_conditions): Likewise.
1607         (record_const_or_copy, record_equality): Likewise.
1608         (lookup_avail_expr): Likewise.
1609         (record_equivalences_from_stmt, cprop_operand): Likewise.
1610         (cprop_into_successor_phis): No longer need to pass around
1611         CONST_AND_COPIES.  Callers updated. Get equivalences via
1612         SSA_NAME_EQUIV.
1613         (cprop_into_phis): Likewise.
1614
1615 2004-09-20  Matt Austern <austern@apple.com>
1616             Zack Weinberg  <zack@codesourcery.com>
1617
1618         * c-common.c (fix_string_type): Build the unqualified array
1619         type unconditionally, then use c_build_qualified_type to get
1620         the proper const-qualified variant, and set its
1621         TYPE_MAIN_VARIANT to refer to the unqualified type.
1622         * c-lex.c (c_lex_return_raw_string): New global.
1623         (c_lex_with_flags): Honor it.
1624         * c-pragma.h: Declare it.
1625
1626 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
1627
1628         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
1629
1630 2004-09-21  Jan Hubicka  <jh@suse.cz>
1631
1632         PR middle-end/17126
1633         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
1634         (tree_rest_of_compilation): Cleanup.
1635
1636 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
1637
1638         * config/s390/s390.c (s390_select_rtx_section): Remove.
1639         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
1640
1641 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1642
1643         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
1644         note to pretend a direct save from the original register when an
1645         intermediate register is used for the save.
1646
1647 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1648
1649         * tsystem.h (alloca): Provide a default definition.
1650
1651         Revert:
1652         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1653             * unwind-dw2.c: Call __builtin_alloca, not alloca.
1654
1655 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
1656
1657         PR tree-opt/17558
1658         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
1659         aliasing sets are the same rather than just conflicting.
1660
1661 2004-09-20  Jan Hubicka  <jh@suse.cz>
1662
1663         PR middle-end/16460
1664
1665         * cgraph.c (cgraph_unnest_node): New function.
1666         (c_finalize): Rename to ....
1667         (c_warn_unused_result_recursivly): ... this one; do only the warning
1668         (finish_function): Finalize the toplevel function; do not lower nested tree.
1669         * cgraph.h (cgraph_unnest_node): Declare.
1670         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
1671         nestedness datastructure.
1672         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
1673         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
1674         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
1675
1676 2004-09-20  Richard Henderson  <rth@redhat.com>
1677
1678         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
1679         from some_small_symbolic_operand_1; export.
1680         (some_small_symbolic_operand): Remove.
1681         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
1682         extra C check.
1683         * config/alpha/predicates.md (some_small_symbolic_operand): New.
1684
1685 2004-09-20  Jan Hubicka  <jh@suse.cz>
1686
1687         * predict.c (return_prediction): New function.
1688         (apply_return_prediction): Likewise.
1689         (tree_bb_level_predictions): Likewise.
1690         (tree_estimate_probability): Add noreturn exit edges; call
1691         bb_level_predictions; fix logic of return heuristics.
1692         (predict_paths_leading_to):  Rescuesce from old CVS version of
1693         process_note_prediction function.
1694         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
1695
1696 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
1697
1698         * config/s390/s390.c (s390_frame_info): Added alignment statement for
1699         floating point register area on stack.
1700
1701 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
1702
1703         * predict.c (expr_expected_value): Use *_CLASS_P macros.
1704
1705 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
1706
1707         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
1708         generating useless garbage.
1709
1710 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
1711
1712         * builtins.c (fold_builtin): Call the new omonymous
1713         target hook for machine-dependent built-ins.
1714         * target-def.h (TARGET_FOLD_BUILTIN): New.
1715         * target.h (struct gcc_target): Add the fold_builtin hook.
1716         * targhooks.c (default_fold_builtin): New.
1717         * targhooks.h (default_fold_builtin): Declare it.
1718
1719 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
1720
1721         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
1722         comment typos.
1723
1724 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
1725
1726         PR target/17565
1727         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
1728
1729 2004-09-20  Jan Hubicka  <jh@suse.cz>
1730
1731         * predict.c (estimate_probability): Remove unnecesary code.
1732
1733 2004-09-19  Ira Rosen  <irar@il.ibm.com>
1734
1735         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
1736         (STMT_VINFO_VECT_DR_BASE): Declare.
1737         (VECT_SMODULO): Declare.
1738         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
1739         (vect_compute_array_base_alignment): New function.
1740         (vect_analyze_data_ref_access): Check array indices. Remove one
1741         dimensional arrays restriction.
1742         (vect_get_ptr_offset): New function.
1743         (vect_get_symbl_and_dr): New function.
1744         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
1745         (former name vect_get_base_decl_and_bit_offset).
1746         (vect_create_index_for_array_ref): Removed.
1747         (vect_create_index_for_vector_ref): New function.
1748         (vect_create_addr_base_for_vector_ref): New function.
1749         (vect_create_data_ref): Handle additional data refs. Call
1750         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
1751         (vect_compute_data_ref_alignment): Support the changes. Call
1752         vect_get_base_and_bit_offset.
1753         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
1754         data refs. Store vect_dr_base.
1755         (vect_analyze_data_ref_accesses): Support nonconstant init.
1756         (new_stmt_vec_info): Initialize vect_dr_base field.
1757         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
1758         (get_vectype_for_scalar_type): Check for BLKmode.
1759         * tree-chrec.h (initial_condition_in_loop_num): Declare.
1760         * tree-chrec.c (initial_condition_in_loop_num): New function.
1761         (chrec_component_in_loop_num): New function.
1762         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
1763         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
1764         to be pointer to varray_type.
1765
1766 2004-09-19  Jan Hubicka  <jh@suse.cz>
1767
1768         * basic-block.h (update_bb_profile_after_threading): Declare.
1769         * cfg.c (update_bb_profile_after_threading): Break out from ...
1770         * cfgcleanup.c (try_forward_edges): ... here; use it.
1771         * tree-ssa-dom.c (thread_across_edge): Use it.
1772         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
1773         profile of the new BB.
1774
1775 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
1776
1777         * tree-ssa-pre.c (insert_into_set): Don't put
1778         is_gimple_min_invariant values into the set.
1779
1780 2004-09-19  Andreas Jaeger  <aj@suse.de>
1781
1782         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
1783         prototype.
1784
1785 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
1786
1787         * config/cris/cris.h: Preserve the original spelling in a
1788         quote.
1789
1790 2004-09-18 Jeff Law  <law@redhat.com>
1791
1792         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
1793         global varrays to replace the block local varrays.
1794         (struct dom_walk_block_data): Remove, no longer used.
1795         (get_eq_expr_value): No longer need to pass around pointers to local
1796         varrays.  Callers updated.  Unused markers added to unused parameters.
1797         (record_range, record_equivalences_from_stmt): Likewise.
1798         (record_equivalences_from_incoming_edge): Likewise.
1799         (record_var_is_nonzero): Likewise.  Update now that we have a
1800         single global varray of SSA_NAMEs that need restoring.
1801         (dom_opt_initialize_block_local_data): Kill, no longer used.
1802         (tree_ssa_dominator_optimize): Initialize new global varrays.
1803         Update callbacks in dominator walker structure.
1804         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
1805         VRP_VARIABLES_STACK.
1806         (restore_nonzero_vars_to_original_value): Update now that we have
1807         a single global varray of SSA_NAMEs that need restoring.
1808         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
1809         Remove unused variables.
1810         (optimize_stmt): Remove unused variable.
1811
1812 2004-09-18  Jan Hubicka  <jh@suse.cz>
1813
1814         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
1815
1816         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
1817         verify_cgraph call.
1818
1819 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
1820
1821         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
1822         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
1823         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
1824         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
1825         tree-ssa-operands.c, tree-ssa-phiopt.c,
1826         tree-ssa-threadupdate.c: Fix comment typos.
1827
1828 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
1829
1830         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
1831         config/arm/README-interworking, config/arm/arm-cores.def,
1832         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
1833         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
1834         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
1835         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
1836         config/frv/frv.md, config/i386/winnt.c,
1837         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
1838         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
1839         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
1840         config/mcore/mcore.c, config/mips/mips.h,
1841         config/mn10300/mn10300.md, config/pa/pa.c,
1842         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
1843         config/rs6000/rs6000.c, config/sh/symbian.c,
1844         config/sparc/sparc.h: Fix comment typos.  Follow spelling
1845         conventions.
1846
1847 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
1848
1849         PR c/17424
1850         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
1851
1852 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
1853
1854         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
1855         remove TREE_ADDRESSABLE from RESULT_DECL.
1856
1857 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
1858
1859         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
1860
1861 2004-09-18  Jan Hubicka  <jh@suse.cz>
1862
1863         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
1864         NULL.
1865         * tree-ssa-alias.c (init_alias_info): Likewise.
1866         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
1867         (verify_ssa): Likewise.
1868         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
1869
1870 2004-09-18  Jan Hubicka  <jh@suse.cz>
1871
1872         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
1873         huge offset.
1874
1875 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1876
1877         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
1878         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
1879         DW_EH_PE_sdata* for data.
1880         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
1881
1882 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
1883
1884         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
1885         shared anyway.
1886
1887         PR pch/13361
1888         * c-typeck.c (constructor_asmspec): Delete.
1889         (struct initializer_stack): Delete field 'asmspec'.
1890         (start_init): Delete saving of asmspec.
1891         (finish_init): Don't update constructor_asmspec.
1892         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
1893         * stmt.c (expand_asm): Duplicate strings from tree.
1894         (expand_asm_operands): Likewise.
1895         * tree.c (tree_size): Update computation of size of STRING_CST.
1896         (make_node): Don't make STRING_CST nodes.
1897         (build_string): Allocate string with tree node.
1898         (tree_code_size): Clean up assertions, don't allow requests
1899         for "the size of a STRING_CST".
1900         * tree.def (STRING_CST): Update comment.
1901         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
1902         (tree_string): Place contents of string in tree node.
1903         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
1904         from tree.
1905
1906 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
1907
1908         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
1909         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
1910
1911 2004-09-17  Jones Desougi  <jones@ingate.com>
1912
1913         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
1914         * configure, config.in: Regenerate.
1915
1916 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
1917
1918         * tree.c, tree.h (tree_class_strings): Make array const.
1919         Reindent per coding convention.  Move asterisk to proper place
1920         per coding convention.
1921
1922 2004-09-18  Andreas Schwab  <schwab@suse.de>
1923
1924         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
1925         (tree-vectorizer.o): Likewise.
1926         (targhooks.o): Likewise.
1927
1928 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
1929             Zack Weinberg  <zack@codesourcery.com>
1930
1931         * alias.c (find_base_decl): Remove unreachable case '3' block.
1932         * expr.c (safe_from_p): Abort if passed a type.
1933         * tree-gimple.c (recalculate_side_effects): Abort if passed
1934         anything other than an expression.
1935         * tree-ssa-pre.c (phi_translate): Return expr immediately if
1936         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
1937         Abort on un-handled tree classes.
1938         (valid_in_set): Likewise.
1939         * tree.c (tree_code_class_strings): New static data.
1940
1941         * tree.h (enum tree_code_class): New.
1942         (tree_code_class_strings): Declare.
1943         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
1944         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
1945         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
1946         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
1947         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
1948
1949         * tree.def, c-common.def, objc/objc-tree.def: Use
1950         tree_code_class enumeration constants instead of code letters.
1951
1952         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
1953         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
1954         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
1955         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
1956         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
1957         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
1958         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
1959         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
1960         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
1961         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
1962         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
1963         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
1964         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
1965         Update to match.
1966
1967         * LANGUAGES: Add note about change.
1968
1969 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
1970
1971         PR tree-optimization/17319
1972         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
1973         examine pointers on the LHS of an assignment.
1974         (collect_points_to_info_r): Handle RETURN_EXPR.
1975
1976 2004-09-17 Jeff Law  <law@redhat.com>
1977
1978         * tree-ssa-dom.c (const_and_copies_stack): New.
1979         (dom_walk_block_data): Remove const_and_copies field.
1980         (record_const_or_copy): No longer need to pass in varray_type *.
1981         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
1982         Callers updated.
1983         (record_equality): Similarly.
1984         (restore_vars_to_original_value): Similarly.  Revamp to use new
1985         single global stack rather than per-block stacks.
1986         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
1987         (thread_across_edge): Remove now unused parameters.
1988         (dom_opt_initialize_block_local_data): No longer test the block
1989         local CONST_AND_COPIES.
1990         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
1991
1992 2004-09-17  Jan Hubicka  <jh@suse.cz>
1993
1994         PR tree-optimization/17509
1995         * tree-optimize.c (update_inlined_to_pointers): New function.
1996         (tree_rest_of_compilation): Use it.
1997
1998 2004-09-17  Devang Patel  <dpatel@apple.com>
1999
2000         * dbxout.c (get_lang_number): New.
2001         (dbxout_init): Include lang number in N_SO  stab.
2002         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
2003         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
2004
2005 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
2006
2007         PR tree-optimization/17273
2008         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
2009         replacement is a constant.
2010
2011 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
2012
2013         * c-tree.h (enum c_typespec_keyword): New.
2014         (struct c_declspecs): Adjust description of "type".  Remove
2015         specbits, explicit_int_p and explicit_char_p.  Rename
2016         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
2017         short_p, signed_p, unsigned_p and complex_p.
2018         (finish_declspecs): New.
2019         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
2020         typename): Call finish_declspecs.
2021         * c-decl.c (finish_declspecs): New.
2022         (declspecs_add_type): Check for combinations which cannot occur in
2023         valid specifier lists.  Update comments.
2024         (shadow_tag_warned): Remove checks done in finish_declspecs.
2025         Don't report useless type name if type defaulted to int.
2026         (grokdeclarator): Remove checks and actions done in
2027         finish_declspecs.  Don't allow for type being NULL.  Update for
2028         datastructures changes.  Initialize decl_attr.
2029         (build_null_declspecs, quals_from_declspecs): Update for
2030         datastructures changes.
2031
2032 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
2033
2034         * doc/extend.texi: Fix duplicated word.
2035
2036 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
2037
2038         * doc/invoke.texi: Remove stray explanation on
2039         -freduce-all-givs and -fmove-all-movables.
2040
2041 2004-09-17  James Morrison  <phython@gcc.gnu.org>
2042
2043         * doc/cfg.texi: Use @smallexample.
2044         * doc/md.texi: Likewise.
2045         * doc/tree-ssa.texi: Likewise.
2046         * doc/extend.texi: Likewise.  Use @r{} in comments.
2047         * doc/trouble.texi: Use @r{} in comments.
2048
2049 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
2050
2051         * configure.ac (gcc_cv_gld_version): Handle whitespace before
2052         "VERSION=".
2053         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
2054         * configure: Regenerate.
2055
2056 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
2057
2058         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
2059         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
2060         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
2061         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
2062         slashes in substitutions.
2063         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
2064
2065 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
2066
2067         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
2068         gimplify.c, lambda-code.c, optabs.c, predict.c,
2069         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
2070         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
2071         conventions.
2072
2073 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
2074
2075         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
2076         doc/extend.texi, doc/install.texi, doc/invoke.texi,
2077         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
2078         doc/trouble.texi: Use @option around options.
2079
2080 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
2081
2082         * Makefile.in (gen-protos.o): Depend on errors.h.
2083
2084 2004-09-17  Steven Bosscher  <stevenb@suse.de>
2085
2086         PR tree-optimization/17513
2087         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
2088         for successors of the entry block.
2089
2090 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
2091
2092         PR rtl-optimization/15187
2093         * ifcvt.c (noce_try_cmove_arith): Exit early if total
2094         insn_rtx_cost of both branches > BRANCH_COST
2095
2096 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
2097
2098         PR tree-optimization/17528
2099         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
2100         erase the may-alias set for a tag when merging it with
2101         another.
2102
2103 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
2104
2105         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
2106         for 32-bit TARGET_SHMEDIA.
2107         (call_value): Likewise.
2108
2109 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
2110
2111         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
2112         test apply only to TREE_STATIC and DECL_EXTERNAL.
2113
2114 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2115
2116         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
2117         * basic-block.h (get_dominated_by_region): Declare.
2118         * dominance.c (get_dominated_by_region): New function.
2119         * tree-cfg.c: Include cfglayout.h.
2120         (tree_duplicate_bb): Duplicate also phi nodes.
2121         (struct ssa_name_map_entry): New type.
2122         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
2123         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
2124         allocate_ssa_names, rewrite_to_new_ssa_names_def,
2125         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
2126         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
2127         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
2128         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
2129         rewrite_to_new_ssa_names, allocate_ssa_names,
2130         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
2131         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
2132         (copy_loop_headers): Use tree_duplicate_sese_region.
2133
2134 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
2135
2136         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
2137
2138 2004-09-16 Jeff Law  <law@redhat.com>
2139
2140         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
2141         (rewrite_block_data): Remove, no longer used.
2142         (rewrite_initialize_block_local_data): Remove, no longer used.
2143         (rewrite_initialize_block): Mark parameters as unused as needed.
2144         Change references to the block local block_defs to be block_defs_stack.
2145         Push a marker onto the block_defs_stack.
2146         (ssa_rewrite_initialize_block): Similarly.
2147         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
2148         (ssa_register_new_def): No longer needs varray argument.  Use
2149         block_defs_stack instead.  No longer handle possibly null block_defs
2150         varray.  Reverse order of items we push on the stack to make it
2151         easier to identify our marker.
2152         (register_new_def): No longer handle possibly null block_defs
2153         varray.
2154         (rewrite_finalize_block): Revamp to look for markers in the global
2155         block_defs_stack varray rather than wiping a block local varray.
2156         Mark arguments as unused as needed.
2157         (ssa_rewrite_finalize_block): Similarly.
2158         (rewrite_into_ssa): Update initialization of dom walker structure
2159         to reflect that we don't need block local data anymore.  Initialize
2160         the block_defs_stack varray.
2161         (rewrite_ssa_into_ssa): Similarly.
2162         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
2163         (struct dom_walk_data): Kill block_defs field.
2164         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
2165         (thread_across_edge): Use the global block_defs_stack instead of
2166         the old block_defs varray.
2167         (dom_opt_initialize_block_local_data): Update now that we don't have
2168         block_defs field to check anymore.
2169         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
2170         (restore_currdefs_to_original_value): Use the new block_defs_stack
2171         instead of a block local varray.
2172         (dom_opt_finalize_block): Similarly.
2173         (record_equivalencs_from_phis): Similarly.
2174         (optimize_stmt, register_definitions_for_stmt): Similarly.
2175
2176 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
2177
2178         PR tree-optimization/17517
2179         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2180         coalesce same-root variables without checking for abnormal PHI usage.
2181
2182 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
2183
2184         * cfgloop.h (duplicate_loop):  Add prototype.
2185         * cfgloopmanip.c (duplicate_loop): Make non-static.
2186         * lambda-code.c (perfect_nestify): Factor out test whether
2187         we can handle this loop into separate function.
2188         Call it.
2189         (can_convert_to_perfect_nest): New function.
2190         (replace_uses_of_x_with_y): Add modify_stmt call.
2191         * tree-loop-linear.c (linear_transform_loops): Call
2192         rewrite_into_loop_closed_ssa and free_df.
2193
2194 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
2195
2196         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
2197         loop invariant as well.
2198         (perfect_nestify): new function.
2199         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
2200         upper bounds, and steps.
2201         Set outerinductionvar properly.
2202         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
2203         parameters.
2204         Return NULL if we need a perfect loop and can't make one.
2205         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
2206         (not_interesting_stmt): New function.
2207         (phi_loop_edge_uses_def): Ditto.
2208         (stmt_uses_phi_result): Ditto.
2209         (stmt_is_bumper_for_loop): Ditto.
2210         (perfect_nest_p): Ditto.
2211         (nestify_update_pending_stmts): Ditto.
2212         (replace_uses_of_x_with_y): Ditto.
2213         (stmt_uses_op): Ditto.
2214         (perfect_nestify): Ditto.
2215         * lambda-mat.c (lambda_matrix_id_p): New function.
2216         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
2217         * lambda.h: Update prototypes.
2218         * tree-loop-linear (linear_transform_loop): Use new
2219         perfect_nest_p. Detect and ignore identity transform.
2220         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
2221
2222 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
2223
2224         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
2225         Gather also strides of accessed data.  Pass in the data references
2226         array.
2227         (try_interchange_loops): Add a new heuristic for handling the temporal
2228         locality.  Pass in the data references array.
2229         (linear_transform_loops): Pass the data references array to
2230         try_interchange_loops.
2231
2232 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
2233
2234         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
2235
2236 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
2237
2238         * doc/c-tree.texi (Classes): Remove index entries for
2239         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
2240
2241 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2242
2243         * fold-const.c (fold): Fold difference of addresses.
2244         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
2245         get_inner_reference.
2246         * tree-ssa-loop-ivopts.c (peel_address): Removed.
2247         (ptr_difference_const): Moved to fold-const.c.
2248         (split_address_cost): Use get_inner_reference instead of peel_address.
2249         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
2250         * tree.h (ptr_difference_const): Export.
2251
2252         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
2253         variable type to the dump.  Fix indentation.
2254         (idx_find_step): Handle nonconstant array_ref_element_size and
2255         array_ref_low_bound.
2256         (idx_record_use): Handle array_ref_element_size and
2257         array_ref_low_bound.
2258         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
2259         statements correctly.
2260         (get_computation_at, iv_value): Do not unshare expressions here.
2261         (rewrite_use_outer): Unshare the expression before it is emitted
2262         to code.
2263         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
2264         Moved to tree.c.
2265         * tree.c (unsigned_type_for, signed_type_for): Moved from
2266         tree-ssa-loop-niter.c.  Use langhooks.
2267         * tree.h (signed_type_for): Export.
2268
2269 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
2270
2271         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
2272         prototype.
2273
2274 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
2275
2276         PR target/11572
2277         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
2278         Add two parameters to extra_includes.
2279         (C_INCPATH_INIT): Remove.
2280         * c-incpath.c (register_include_chains): Call extra_pre_includes
2281         before adding the standard include directory.
2282         Update call to extra_includes.
2283         (!defined TARGET_EXTRA_INCLUDES): Update
2284         hook_void_charptr_charptr_int and add !define
2285         TARGET_EXTRA_PRE_INCLUDES.
2286         (!define TARGET_EXTRA_INCLUDES): Define as
2287         hook_void_charptr_charptr_int.
2288         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
2289         (target_c_incpath): Always declare.
2290         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
2291         empty function.
2292         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
2293         * config/darwin.h: (darwin_register_frameworks): Update for
2294         the two new parameters.
2295         (darwin_register_objc_includes): Add prototype.
2296         (TARGET_EXTRA_PRE_INCLUDES): Define.
2297         * config/darwin-c.c (darwin_register_objc_includes): New function.
2298         (darwin_register_frameworks): Update for the two new parameters.
2299         (target_c_incpath): Remove.
2300         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
2301         the compile line.
2302         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
2303         parameters.
2304         (TARGET_EXTRA_PRE_INCLUDES): Document.
2305
2306         * gcc.c (spec_function): Add replace-outfile.
2307         (replace_outfile_spec_function): New function.
2308         * config/darwin.h (LINK_SPEC): Add replace
2309         -lobjc with -lobjc-gnu if -fgnu-runtime is
2310         supplied.
2311         * invoke.texi (replace-outfile): Document.
2312
2313 2004-09-13  Jan Hubicka  <jh@suse.cz>
2314
2315         * predict.c (expr_expected_value, strip_builtin_expect): New function.
2316         (tree_predict_by_opcode): Use it.
2317         (tree_estimate_probability): Add, for now disabled,
2318         strip_builtin_expect call.
2319
2320 2004-09-15  James E Wilson  <wilson@specifixinc.com>
2321
2322         PR target/17455
2323         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
2324         if current_function_decl is a sibcall.
2325
2326 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
2327
2328         * varasm.c (default_function_rdodata_section): Make sure to pass
2329         along a decl for a link-once section.
2330
2331 2004-09-15  Richard Henderson  <rth@redhat.com>
2332
2333         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
2334         warning with code disable.  Fix formatting.
2335
2336 2004-09-15  Steven Bosscher  <stevenb@suse.de>
2337
2338         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
2339         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
2340         after propagating into an ADDR_EXPR.
2341
2342 2004-09-15  Andrew Pinski  <apinski@apple.com>
2343
2344         PR rtl-opt/17427
2345         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
2346         Move it out of gcc_assert.
2347
2348 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
2349
2350         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
2351         except.c, fold-const.c, function.c, langhooks.c, params.c,
2352         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
2353         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
2354         for quoting in diagnostics going through pretty-print.c.  Use ''
2355         for quoting in other diagnostic text.
2356         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
2357         translation.
2358         * Makefile.in (langhooks.o): Update dependencies.
2359         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
2360         formats.
2361
2362 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
2363
2364         * configure.ac: Check for COMDAT support.  Robustify check for
2365         SHF_MERGE support.
2366         * configure: Regenerated.
2367         * config.in: Likewise.
2368         * langhooks-def.h (lhd_comdat_group): New function.
2369         (LANG_HOOKS_COMDAT_GROUP): New macro.
2370         (LANG_HOOKS_DECLS): Use it.
2371         * langhooks.c (lhd_comdat_group): Define.
2372         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
2373         * output.h (named_section_flags): Make it a macro.
2374         (named_section_real): New function.
2375         (default_no_named_section): Add decl parameter.
2376         (default_elf_asm_named_section): Likewise.
2377         (default_coff_asm_named_section): Likewise.
2378         (default_pe_asm_named_section): Likewise.
2379         * target.h (gcc_target): Adjust type of named_section.
2380         * varasm.c (named_section_flags): Rename to named_section_real.
2381         Add decl parameter.
2382         (default_no_named_section): Add decl parameter.
2383         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
2384         with the case that ASM_COMMENT_START is "@".
2385         (default_coff_asm_named_section): Add decl parameter.
2386         (default_pe_asm_named_section): Likewise.
2387         * config/alpha/alpha.c (vms_asm_named_section): Add decl
2388         parameter.
2389         (unicosmk_asm_named_section): Likewise.
2390         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
2391         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
2392         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
2393         * config/cris/cris-protos.h (cris_target_asm_named_section):
2394         Likewise.
2395         * config/cris/cris.c (cris_target_asm_named_section):
2396         Likewise.
2397         * config/darwin/darwin-protos.h (darwin_asm_named_section):
2398         Likewise.
2399         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
2400         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
2401         * config/i386/i386-protos.h (i386_pe_asm_named_section):
2402         Likewise.
2403         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
2404         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
2405         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
2406         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
2407         Likewise.
2408         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
2409         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
2410         * cp/cp-tree.h (cxx_comdat_group): Declare.
2411         * cp/decl.c (cxx_comdat_group): New function.
2412
2413 2004-09-15  Jan Hubicka  <jh@suse.cz>
2414
2415         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
2416         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
2417
2418         * tree-cfg.c (remove_bb): Release SSA defs.
2419
2420 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
2421
2422         * doc/tm.texi: Follow spelling conventions.
2423
2424 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
2425
2426         * tree-ssa-dom.c: Fix comment typos.
2427
2428 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
2429
2430         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
2431         include ccr.
2432         (ppc_fallback_frame_state): Save location of CR.
2433
2434 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
2435
2436         * expr.c (string_constant): Handle also read-only variables
2437         initialized to string literals.
2438
2439         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
2440         into memcpy (x, y, 1) if memcpy can be expanded inline.
2441
2442 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2443
2444         PR tree-optimization/17468
2445         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
2446         definition inside a block precede uses.
2447         * tree-tailcall.c (adjust_return_value): Emit statements in the
2448         correct order.
2449
2450 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
2451
2452         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
2453
2454 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
2455
2456         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
2457
2458 2004-09-14 Jeff Law  <law@redhat.com>
2459
2460         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
2461         (struct dom_walk_block_data): Remove avail_exprs member.
2462         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
2463         (lookup_avail_expr): No longer need to pass in address of
2464         the block local available exprs stack.  All callers changed.
2465         (simplify_cond_and_lookup_avail_expr): Similarly.
2466         (simplify_switch_and_lookup_avail_expr): Similarly.
2467         (get_eq_expr_value, record_cond): Likewise.
2468         (record_dominating_conditions): Likewise.
2469         (update_rhs_and_lookup_avail_expr): Likewise.
2470         (record_equivalences_from_stmt): Likewise.
2471         (dom_opt_initialize_block_local_data): No longer test state of
2472         block local avail_exprs.
2473         (dom_opt_initialize_block): Mark unwind point in the global
2474         avail_expr stack.
2475         (remove_expressions_from_table): Update to unwind to the
2476         most recent unwind marker in the global avail_expr stack.
2477         All callers changed.
2478         (dom_opt_finalize_block): Mark unwind point in the global
2479         avail_expr stack as needed.
2480         (record_cond): Push elements into the global avail_exprs stack.
2481
2482         * tree-dfa.c (free_df_for_stmt): No longer static.
2483         (free_df): Update comments.
2484         * tree-flow.h (free_df_for_stmt): Prototype.
2485         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
2486         call release_defs.
2487
2488 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
2489
2490         PR tree-optimization/17252
2491         * tree-ssa-alias.c (may_alias_p): Don't assume that a
2492         pointer may not point to itself when using relaxed
2493         aliasing rules.
2494
2495 2004-09-14  Richard Henderson  <rth@redhat.com>
2496
2497         PR middle-end/17397
2498         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
2499         while folding <ADDR_EXPR <INDIRECT_REF X>>.
2500
2501 2004-09-14  Andrew Pinski  <apinski@apple.com>
2502
2503         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
2504         sets of the pointers but the aliasing sets of what they point to.
2505
2506 2004-09-14  Roger Sayle  <roger@eyesopen.com>
2507
2508         PR rtl-optimization/9771
2509         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
2510         conditional compilation in init_reg_sets_1.
2511         (init_reg_sets_1): Let global_regs[i] take priority over the frame
2512         (but not stack) pointer exceptions to regs_invalidated_by_call.
2513         (globalize_reg): Globalizing a fixed register may need to update
2514         regs_invalidated_by_call.
2515
2516 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
2517
2518         PR tree-optimization/15262
2519         * tree-dfa.c (dump_variable): Also print the type of the
2520         variable.
2521         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
2522         memory tags are of conflicting alias sets but have no aliased
2523         symbols in common, add one tag to the alias set of the other.
2524         (setup_pointers_and_addressables): Remove hack to deal with
2525         programs with no aliased symbols.
2526         (may_alias_p): Don't special case aggregate types.
2527
2528 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
2529
2530         PR c/15498
2531         * doc/invoke.texi (Environment Variables): Correct example locale.
2532
2533 2004-09-14  Jan Hubicka  <jh@suse.cz>
2534
2535         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
2536
2537 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
2538
2539         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
2540
2541 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
2542
2543         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
2544         restrict_p.
2545         (struct c_declarator): Change u.array.quals and pointer_quals to
2546         int.  Add u.array.attrs.
2547         (quals_from_declspecs): New.
2548         * c-decl.c (quals_from_declspecs): New.
2549         (shadow_tag_warned): Give more specific message for useless type
2550         qualifiers.
2551         (build_array_declarator, set_array_declarator_inner,
2552         grokdeclarator, make_pointer_declarator, build_null_declspecs,
2553         declspecs_add_qual): Update for changed structures.
2554
2555 2004-09-14  Jeff Law  <law@redhat.com>
2556
2557         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
2558         to a global varray.
2559         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
2560         (dom_opt_initialize_block_local_data): No longer test state
2561         of stmts_to_rescan.
2562         (dom_opt_finalize_block): Update due to change in scope of
2563         stmts_to_rescan.
2564         (optimize_stmt): Similarly.
2565
2566 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
2567
2568         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
2569         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
2570         comment typos.  Follow spelling conventions.
2571
2572 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
2573
2574         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
2575         config/i386/predicates.md, config/sparc/sparc.c: Follow
2576         spelling conventions.
2577
2578 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2579             Steven Bosscher  <stevenb@suse.de>
2580
2581         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
2582         * basic-block.h (struct reorder_block_def): Add copy_number field.
2583         * cfgloop.h (biv_p): Declare.
2584         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
2585         * common.opt (fsplit-ivs-in-unroller): New flag.
2586         * loop-iv.c (biv_p): New function.
2587         * loop-unroll.c: Include hashtab.h and recog.h.
2588         (struct iv_to_split, struct split_ivs_info): New types.
2589         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
2590         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
2591         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
2592         insert_base_initialization, split_iv): New functions.
2593         (peel_loop_completely, unroll_loop_constant_iterations,
2594         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
2595         Use them.
2596         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
2597
2598 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2599
2600         * tree-cfg.c (thread_jumps): Update dominators correctly in
2601         case destination of threaded edge dominates its source.
2602
2603 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2604
2605         * unroll.c: Removed.
2606         * loop.h: Removed.
2607         * Makefile.in (LOOP_H, unroll.o): Removed.
2608         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
2609         dependency.
2610         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
2611         reference.
2612         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
2613         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
2614         * loop.c: Do not include loop.h.
2615         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
2616         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
2617         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
2618         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
2619         struct loop_regs, struct loop_movables, struct loop_info): Moved
2620         from loop.h.
2621         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
2622         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
2623         find_common_reg_term, loop_iterations, final_giv_value): Moved
2624         from unroll.c.
2625         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
2626         loop_dump_stream, for_each_insn_in_loop, express_from,
2627         extend_value_for_giv, loop_iv_add_mult_emit_before,
2628         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
2629         loop_insn_first_p, get_condition_for_loop,
2630         loop_insn_emit_before, loop_insn_hoist,
2631         loop_insn_sink): Made static.
2632         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
2633         reference.
2634         (strength_reduce): Do not call unroller.
2635         (record_giv): Do not initialize unrolled field.
2636         (prescan_loop): Do not set loop_info->preconditioned.
2637         * passes.c: Do not include loop.h.
2638         (rest_of_handle_loop_optimize): Do not call unroller.
2639         * predict.c: Do not include loop.h.
2640         * rtl.h (NOTE_PRECONDITIONED): Removed.
2641         * stmt.c: Do not include loop.h.
2642         * toplev.c: Do not include loop.h.
2643         (process_options): Do not handle flag_old_unroll_loops.
2644
2645         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
2646         Documentation removed.
2647         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
2648
2649 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
2650
2651         * Makefile.in (STAGE1_CHECKING): New variable.
2652         (stage1_build): Use it.
2653         * tree-ssa.c (verify_ssa): Preserve state of dominance
2654         information.
2655
2656 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
2657
2658         * config/i386/i386.c (output_fp_compare): Add generation
2659         of ftst instruction.
2660         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
2661         Use output_fp_compare () function.
2662         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
2663         (fix_truncdi_memory): Remove operands[5] copy.
2664
2665 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
2666
2667         * config/m32r/m32r.md, config/m68k/m68kelf.h,
2668         config/mcore/mcore.md, config/rs6000/linux64.h,
2669         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
2670         typos.
2671
2672 2004-09-13  James E Wilson  <wilson@specifixinc.com>
2673
2674         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
2675         * gen-protos.c: Include errors.h.
2676         (progname): Delete.
2677
2678 2004-09-14  Jan Hubicka  <jh@suse.cz>
2679
2680         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
2681         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
2682         (predict_loops): Use number_of_iterations_exit to predict
2683         number of iterations on trees.
2684
2685 2004-09-13  Dale Johannesen  <dalej@apple.com>
2686
2687         PR 17408
2688         PR 17409
2689         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
2690         objects declared extern.
2691
2692 2004-09-14  Paul Brook  <paul@codesourcery.com>
2693
2694         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
2695         HOST_WIDE_INT.
2696
2697 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
2698
2699         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
2700         Only use TYPE_BINFO for aggregates.
2701
2702 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
2703
2704         * expmed.c (synth_mult): Initialize latency.  Check cost before
2705         checking ops count.
2706
2707 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
2708
2709         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
2710         add_call_clobber_ops and add_call_read_ops.
2711         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
2712         the number of vdefs and vuses inserted based on analysis of global
2713         variables across calls.  * tree-dfa.c (find_referenced_vars):
2714         Needed to reset static var maps before each function is compiled.
2715         * cgraphunit.c:
2716         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
2717         static_vars_info,functions_to_static_vars_info,module_statics_escape,
2718         all_module_statics,searchc_env,dfs_info): New fields to support
2719         analysis of static global variables.
2720         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
2721         cgraph_reset_static_var_maps, get_global_static_vars_info,
2722         get_global_statics_not_read, get_global_statics_not_written,
2723         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
2724         check_rhs_var, check_lhs_var, get_asm_expr_operands,
2725         process_call_for_static_vars, scan_for_static_refs,
2726         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
2727         clear_static_vars_maps, cgraph_propagate_bits,
2728         cgraph_characterize_statics): New. Functions to support analysis
2729         of static global variables.
2730         (cgraph_mark_local_and_external_functions): Renamed from:
2731         (cgraph_mark_local_functions)
2732         (cgraph_expand_all_functions): Remove call to
2733         cgraph_mark_local_and_external_functions.
2734         (cgraph_optimize): Added driver to analyze static variables whose
2735         scope is within the compilation unit.  * cgraph.h (struct
2736         cgraph_local_info, GTY): Added statics_read, statics_written,
2737         local, calls_read_all, calls_write_all, for_functions_valid.
2738         (struct cgraph_node): Added next_cycle.  * cgraph.c
2739         (dump_cgraph_node): Added print routines for new fields.  *
2740         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
2741         list.
2742
2743 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
2744
2745         * c-decl.c (grokdeclarator): Correct comments about where storage
2746         class specifiers are rejected by grammar and add corresponding
2747         asserts.  Diagnose typedefs and parameters declared inline.
2748         Change warning for inline main to a pedwarn.  Only diagnose inline
2749         main if hosted.
2750         (declspecs_add_scspec): Allow duplicate "inline".
2751
2752 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
2753
2754         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
2755         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
2756
2757 2004-09-13  Richard Henderson  <rth@redhat.com>
2758
2759         PR 17436
2760         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
2761         (tree_type): Replace spare with contains_placeholder_bits.
2762         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
2763         make static.  Remove seen_types list.
2764         (type_contains_placeholder_p): New.
2765
2766 2004-09-13  James E Wilson  <wilson@specifixinc.com>
2767
2768         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
2769         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
2770         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
2771         bdesc_arrays instead of mips_bdesc.
2772         (mips_init_builtins): Likewise.
2773         * config/mips/mips.h (TARGET_SB1): New.
2774         (HAVE_SQRT_P): Delete.
2775         * config/mips/mips.md (divide_condition): Support V2SF.
2776         (sqrt_condition, recip_condition): New.
2777         (div<mode>3): Use ANYF instead of SCALARF.
2778         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
2779         MODE.
2780         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
2781         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
2782         instead of MODE.
2783         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
2784         instead of SCALARF.  Use UNITMODE instead of MODE.
2785
2786 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
2787
2788         * config.in: Regenerate after removal of libbanshee.
2789
2790 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
2791
2792         PR tree-optimization/17400
2793         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2794         coalesce partitions when one occurs in an abnormal PHI.
2795
2796 2004-09-13  Andrew Pinski  <apinski@apple.com>
2797
2798         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
2799         name to _new_size.
2800
2801 2004-09-13  Richard Henderson  <rth@redhat.com>
2802
2803         PR inline-asm/6806
2804         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
2805         (cselib_invalidate_rtx_note_stores): New.
2806         (cselib_record_sets, cselib_process_insn): Update to match.
2807         * cselib.h (cselib_invalidate_rtx): Declare.
2808         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
2809
2810 2004-09-13  Richard Henderson  <rth@redhat.com>
2811
2812         PR tree-opt/10528
2813         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
2814         after copying its argument.
2815
2816 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
2817
2818         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
2819         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
2820         in diagnostics.  Use %' for English apostrophes.
2821         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
2822         (pedwarn_c90, pedwarn_c99): Use it.
2823         * c-decl.c (lookup_label): Quote label name in diagnostic.
2824         * c-parse.in (yyprint): Use ' instead of ` for left quote.
2825         * c-typeck.c (warn_for_assignment): Likewise.
2826
2827 2004-09-13  Jan Hubicka  <jh@suse.cz>
2828
2829         * i386.c (x86_schedule): New global variable.
2830         (override_options): Disable scheduling when not supported.
2831         * i386.h (x86_schedule): Declare.
2832         (TARGET_SCHEDULE): New macro.
2833
2834 2004-09-12  Richard Henderson  <rth@redhat.com>
2835
2836         PR c++/16254
2837         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
2838         * tree.c, tree.h (has_cleanups): Remove.
2839
2840 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2841
2842         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
2843         arguments of the phi nodes correctly.
2844
2845 2004-09-12  Jan Hubicka  <jh@suse.cz>
2846
2847         * ggc-common.c (cmp_statistics): Fix sorting.
2848
2849 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
2850
2851         PR target/16795
2852         * expmed.c (expand_divmod): If cheap power of 2 divide is
2853         available, use it for negative constant as well.
2854
2855 2004-09-12  Andrew Pinski  <apinski@apple.com>
2856
2857         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
2858         size of 0.
2859
2860         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
2861
2862 2004-09-12  Richard Henderson  <rth@redhat.com>
2863
2864         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
2865         or minus one.
2866         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
2867         post-reload, and scratch NULL.
2868         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
2869         (x86_shift_adj_2): Use ix86_expand_clear.
2870         (ashldi3): Remove CMOVE expansion difference.
2871         (ashldi3_1): Remove.
2872         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
2873         add constraints for immediates.  New peephole for split-with-temp.
2874         Run splitter after peep2 pass.
2875         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
2876         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
2877         (setcc_2): Rename with *.
2878         * config/i386/predicates.md (reg_or_pm1_operand): New.
2879         (ashldi_input_operand): New.
2880
2881 2004-09-12  Richard Henderson  <rth@redhat.com
2882
2883         * print-rtl.c (print_decl_name): New.
2884         (print_mem_expr): Use it.
2885
2886 2004-09-12  Richard Henderson  <rth@redhat.com
2887
2888         PR 17186, part deux
2889         * except.c (sjlj_emit_function_exit): Fix logic locating
2890         sjlj_exit_after in final block.
2891
2892 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
2893
2894         * common.opt: Remove flags -fmove-all-movables and
2895         -freduce-all-givs.
2896         * loop-invariant.c (find_invariants_to_move):
2897         Remove all uses of flag_move_all_movables.
2898         * loop.c (move_movables): Remove all uses of
2899         flag_move_all_movables.
2900         (strength_reduce): Remove all uses of
2901         flag_reduce_all_givs.
2902         * doc/invoke.texi: Remove documentation of flags
2903         -fremove-all-movables and -freduce-all-givs.
2904
2905 2004-09-11  Roger Sayle  <roger@eyesopen.com>
2906
2907         PR middle-end/17411
2908         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
2909         change. elt->type may be a floating point type, so use fold_convert.
2910
2911 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
2912
2913         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
2914         the thing referenced as used, not the stub itself.
2915
2916 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2917
2918         * c-tree.h (enum c_storage_class): New.
2919         (struct c_declspecs): Add storage_class, inline_p and thread_p.
2920         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
2921         declarations and "auto" or "register" in file scope empty
2922         declarations.  Give more specific warnings for other cases of
2923         storage class specifiers in empty declarations.
2924         (grokdeclarator): Update for new structures.  Don't check for
2925         multiple storage classes.  Diagnose file-scope "register" if
2926         pedantic.
2927         (build_null_declspecs): Update.
2928         (declspecs_add_scspec): Update.  Diagnose multiple storage class
2929         specifiers and invalid uses of "__thread".
2930
2931 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
2932
2933         * tree.c (tree_code_size): New function, bulk of code from tree_size.
2934         (tree_size, make_node): Use it.
2935         * tree-ssa-pre.c (init_pre): Use it.
2936         * tree.h: Prototype it.
2937
2938 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2939
2940         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
2941         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
2942         redirect_immediate_use): Use PHI_DF.
2943         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
2944         (bb_for_stmt): Use PHI_BB.
2945         (get_immediate_uses): Use PHI_DF.
2946         * tree-ssa-dse.c (max_stmt_uid): New variable.
2947         (get_stmt_uid): New function.
2948         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
2949         node annotations.
2950         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
2951         (max_uid): Renamed to max_stmt_uid.
2952         (get_stmt_uid): New function.
2953         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
2954         phi node annotations.
2955         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
2956         * tree.h (PHI_BB, PHI_DF): New accessor functions.
2957         (struct tree_phi_node): Add bb and df fields.
2958
2959 2004-09-11  Richard Henderson  <rth@redhat.com>
2960
2961         PR middle-end/17416
2962         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
2963         in conflict loop.
2964
2965 2004-09-11  Jan Hubicka  <jh@suse.cz>
2966
2967         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
2968         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
2969         * i386.md (i387_cw): Add 'uninitialized' mode.
2970
2971         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
2972         (output_location): Break out from ....
2973         (branch_prob): ... here; handle gcov output on trees.
2974         * toplev.c (process_options): No longer be sorry about coverage for
2975         trees.
2976
2977 2004-09-11  Steven Bosscher  <stevenb@suse.de>
2978
2979         PR c++/17412
2980         * fold-const.c (fold): Do not try to fold the operand of a
2981         CLEANUP_POINT_EXPR if that operand does itself not have any
2982         operands.
2983
2984         PR middle-end/17417
2985         * langhooks.c (lhd_decl_printable_name): Make sure that this
2986         function is called with is a decl node that has an identifier.
2987         * tree-pretty-print.c (dump_function_name): New function to
2988         wrap PRINT_FUNCTION_NAME and dump_decl_name.
2989         (print_call_name): Use it.
2990
2991 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
2992
2993         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
2994         "config.h" if not.
2995
2996 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
2997
2998         * tree-ssa-alias.c (collect_points_to_info_r): Handle
2999         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
3000         to OFFSET.
3001
3002 2004-09-11  Richard Henderson  <rth@redhat.com>
3003
3004         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
3005         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
3006         operand of the ADDR_EXPR.
3007         (expand_expr_real_1): Update to match.
3008
3009 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
3010
3011         PR target/17277
3012         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
3013         choose 64-bit version.
3014
3015 2004-09-11  Richard Henderson  <rth@redhat.com>
3016
3017         PR c/17396
3018         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
3019
3020 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
3021
3022         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
3023         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
3024         Insert @: after i.e. or e.g.
3025
3026 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
3027
3028         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
3029         D.xxx rather than <Dxxx>.
3030
3031 2004-09-10  Adam Nemet  <anemet@lnxw.com>
3032
3033         * configure.ac (AC_MSG_CHECKING(what linker to use)):
3034         in_tree_ld_is_elf should be true for LynxOS.
3035         * configure: Regenerate.
3036
3037 2004-09-10  Adam Nemet  <anemet@lnxw.com>
3038
3039         * Makefile.in (all.cross): Add srcextra.
3040
3041 2004-09-10  Roger Sayle  <roger@eyesopen.com>
3042
3043         PR middle-end/17024
3044         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
3045         floating point comparison operators.  Change aborts to gcc_asserts.
3046
3047 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
3048
3049         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
3050
3051 2004-09-10  James E Wilson  <wilson@specifixinc.com>
3052
3053         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
3054         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
3055
3056         * convert.c (convert_to_vector): Replace recursive call with
3057         error_mark_node.
3058
3059         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
3060         Add integer argument named constant.  Use const_tiny_rtx instead of
3061         CONST0_RTX.
3062         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
3063         and CONST1_RTX.
3064         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
3065         vector types.
3066         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
3067         of gen_rtx_raw_CONST_VECTOR.
3068
3069 2004-09-10  Eric Christopher  <echristo@redhat.com>
3070
3071         PR c/16046
3072         * c-parse.in (attribute): Add NULL_TREE for error case
3073         for error recovery.
3074
3075 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
3076
3077         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
3078         (extract_interface_info): Delete prototype.
3079         * c-decl.c (extract_interface_info): Delete stub.
3080         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
3081         it's not already been done ...
3082         (init_c_lex): ... not here.
3083         (fe_file_change): Don't call extract_interface_info.
3084
3085 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
3086
3087         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
3088         typedef_p and typedef_signed_p.
3089         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
3090         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
3091         Check typedef_p and typedef_signed_p, not typedef_decl.
3092         (grokfield): Check typedef_p, not typedef_decl.
3093         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
3094         not typedef_decl.
3095         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
3096         typedef_decl.
3097
3098 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
3099
3100         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
3101
3102 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
3103
3104         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
3105         temporary variables.
3106
3107         * dbxout.c (dbxout_block): Update for
3108         current_function_func_begin_label a string.
3109         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
3110         * except.c (dw2_output_call_site_table): Likewise.
3111         * toplev.c (current_function_func_begin_label): Likewise.
3112         * tree.h (current_function_func_begin_label): Likewise.
3113         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
3114
3115         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
3116         loop.
3117
3118         * config/darwin.c: Include target.h.
3119         (struct machopic_indirection): Make ptr_name a string.
3120         (machopic_indirection_hash): Update for ptr_name a string.
3121         (machopic_indirection_eq): Likewise.
3122         (machopic_indirection_name): Likewise.
3123         (machopic_output_indirection): Likewise.
3124         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
3125         string.  Don't expect stub names to be in the identifier hash table.
3126         Do call strip_name_encoding before looking up entry in ID hash table.
3127         * config/t-darwin (darwin.o): Add target.h to dependencies.
3128
3129         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
3130         of fprintf for register names.
3131
3132         * output.h (unlikely_section_label): Delete declaration.
3133         (unlikely_text_section_name): Likewise.
3134         * varasm.c (unlikely_section_label_printed): Make static.
3135         (unlikely_section_label): Likewise.
3136         (unlikely_text_section_name): Likewise.
3137         (assemble_start_function): Use reconcat.
3138
3139         * rtl.def (REG): Add comment to describe third field.
3140
3141 2004-09-10  Andrew Pinski  <apinski@apple.com>
3142
3143         * config/darwin.c (machopic_mcount_stub_name): Call
3144         machopic_indirection_name instead of making the string
3145         ourselves.
3146
3147 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
3148
3149         Revert
3150
3151         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
3152
3153             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
3154             memory tag is call clobbered, so are its aliases.
3155             (group_aliases): When two memory tags being grouped, if one is
3156             call clobbered, so are the other and its aliases.
3157             (add_may_alias): Remove call-clobbering stuff.
3158             (replace_may_alias): Likewise.
3159             (merge_pointed_to_info): Merge pt_global_mem
3160
3161 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
3162
3163         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
3164         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
3165         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
3166         tree-scalar-evolution.c, tree-ssa-copyrename.c,
3167         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
3168
3169 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
3170
3171         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
3172         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
3173         pair.  Remove match_dup from inputs.  Remove masaccs handling.
3174         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
3175         (masaccs, mdasaccs): Turn into define_insns.
3176
3177 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
3178
3179         * tree-tailcall.c (process_assignment): Only do accumulator transforms
3180         for floating-point types if flag_unsafe_math_optimizations.
3181
3182 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
3183
3184         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
3185         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
3186         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
3187         config/h8300/h8300.md, config/i386/gmm_malloc.h,
3188         config/ia64/ia64.md, config/ip2k/libgcc.S,
3189         config/mips/mips-ps-3d.md, config/mips/mips.c,
3190         config/rs6000/rs6000.c, config/s390/s390.c,
3191         config/sh/symbian.c: Fix comment typos.
3192
3193 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3194
3195         * config/s390/s390.c (s390_emit_prologue): Added missing
3196         "{}" brackets.
3197
3198 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
3199
3200         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
3201         typos.  Follow spelling conventions.
3202
3203 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
3204
3205         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
3206         in diagnostic.  Don't dereference NULL TYPE_NAME.
3207
3208 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
3209
3210         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
3211         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
3212         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
3213         value-prof.c: Fix comment typos.  Follow spelling conventions.
3214
3215 2004-09-10  Jan Hubicka  <jh@suse.cz>
3216
3217         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
3218         * tree-split_edge.c (tree_split_edge): Likewise.
3219         (thread_jumps): Likewise.
3220
3221 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
3222
3223         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
3224         typos.
3225
3226 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
3227
3228         * cgraph.h (cgraph_dump_file): Do not declare.
3229         * cgraphunit.c (cgraph_dump_file): Declare as static.
3230         (init_cgraph): New.
3231         * toplev.c (cgraph_dump_file): Do not declare.
3232         (compile_file): Call init_cgraph.
3233         * tree-dump.c (dump_files): Add IPA dump file, remove
3234         XML dump of call graph.
3235         (get_dump_file_name): Support IPA dump file naming scheme.
3236         * tree.h (enum tree_dump_index): Add IPA dump file, remove
3237         XML dump of call graph.
3238         * doc/invoke.texi (Debugging Options): Document the new options.
3239
3240 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
3241
3242         * doc/extend.texi: Document the FR-V built-in functions.
3243
3244 2004-09-09  James E Wilson  <wilson@specifixinc.com>
3245
3246         * doc/sourcebuild.texi: Delete libbanshee reference.
3247
3248 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
3249
3250         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
3251
3252 2004-09-09  James E Wilson  <wilson@specifixinc.com>
3253
3254         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
3255         before calling vector_types_convertible_p.
3256         (digest_init): Check that inside_init has VECTOR_TYPE before calling
3257         vector_types_convertible_p.  Don't give another error if
3258         convert_for_assignment returns error_mark_node.
3259
3260 2004-09-09  Roger Sayle  <roger@eyesopen.com>
3261
3262         PR middle-end/17055
3263         * fold-const.c (build_zero_vector): New function to construct a
3264         vector (either floating point or integer) of zeros.
3265         (fold_convert): Internally, enable conversions of integer zero
3266         to arbitrary vector types, using the new build_zero_vector.
3267
3268 2004-09-09  Roger Sayle  <roger@eyesopen.com>
3269
3270         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
3271         expand a left shift by an immediate constant as either an ashl or
3272         a sequence of additions.
3273         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
3274         instead of calling gen_ashlsi3 with a constant directly.
3275
3276 2004-09-09  Roger Sayle  <roger@eyesopen.com>
3277
3278         * config/i386/i386.c (ix86_split_long_move): When optimizing for
3279         size, and the low and high parts of a DImode constant are equal,
3280         copy one register to another instead of loading the same immediate
3281         value twice.
3282
3283 2004-09-09  Richard Henderson  <rth@redhat.com>
3284
3285         PR middle-end/17367
3286         * function.c (assign_parm_setup_block): Only put PARALLELs into
3287         a register if use_register_for_decl.
3288
3289 2004-09-09  Eric Christopher  <echristo@redhat.com>
3290
3291         * ra-colorize.c (reset_lists): Move variable declaration inside
3292         ENABLE_CHECKING to avoid unused variable warnings when
3293         not --enable-checking.
3294         (check_colors): Ditto.
3295
3296 2004-09-09  Mike Stump  <mrs@apple.com>
3297
3298         * version.c (version_string): Bump to 4.0.0.
3299         * doc/include/gcc-common.texi (version-GCC): Likewise.
3300
3301 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
3302
3303         * doc/extend.texi (nothrow attribute): The attribute is not
3304         implemented in 3.2 and earlier.
3305
3306 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
3307
3308         * genrecog.c (compute_predicate_codes): Use op0_codes
3309         instead of codes.
3310
3311 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
3312
3313         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
3314         implementation changes.
3315
3316 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
3317
3318         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
3319         a PARALLEL instead of a SET due to added clobbers.
3320
3321 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
3322
3323         * reload.c (find_reloads_address): Pass correct operand to
3324         maybe_memory_address_p.
3325
3326 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
3327
3328         * Makefile.in: Remove libbanshee, tree-alias-*.
3329         Remove tree-alias-common.h dependencies.
3330         * common.opt: Remove -ftree-points-to.
3331         * configure.ac: Remove libbanshee.
3332         * flags.h: Remove pta_type, flag_tree_points_to.
3333         * gengtype.c (open_base_files): Remove tree-alias-type.h.
3334         * opts.c (OPT_ftree_points_to): Remove.
3335         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
3336         * tree-dfa.c: Remove tree-alias-common.h
3337         * tree-into-ssa.c: Ditto.
3338         * tree-outof-ssa.c: Ditto.
3339         * tree-ssa-copyrename.c: Ditto.
3340         * tree-ssa-live.c: Ditto.
3341         * tree-optimize.c: Ditto.
3342         * tree-ssa.c: Ditto.
3343         Remove pass_build_pta, pass_del_pta.
3344         * tree-pass.h: Ditto.
3345         * tree-ssa-alias.c: Remove tree-alias-common.h.
3346         (struct alias_stats_d): Remove pta_queries, pta_resolved.
3347         (pass_may_alias): Remove PROP_pta requirement.
3348         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
3349         (get_tmt_for): Ditto.
3350         (dump_alias_stats): Ditto.
3351         * doc/passes.texi: Remove blurb about points-to analysis.
3352         * fortran/Make-lang.in: Remove tree-alias-*.o.
3353
3354 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
3355
3356         * genattrtab.c (write_insn_cases): New function, split out from
3357         write_attr_case.  Correctly handle define_peepholes when printing
3358         the instruction name.
3359         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
3360
3361 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
3362
3363         PR target/17377
3364         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
3365         * config/cris/cris.c (cris_return_address_on_stack): New function.
3366         * config/cris/cris.md ("return"): For location of return address,
3367         also check cris_return_address_on_stack.
3368
3369 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
3370
3371         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
3372         calling phi_ssa_name_p.
3373
3374 2004-09-09  Richard Henderson  <rth@redhat.com>
3375
3376         PR c/17322
3377         * c-typeck.c (valid_compound_expr_initializer): Use only
3378         initializer_constant_valid_p, and not TREE_CONSTANT.
3379         (digest_init): Likewise.
3380         (output_init_element): Likewise.
3381
3382 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3383
3384         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
3385         live_out_1, prune_hardregs_for_mode, init_one_web_common,
3386         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
3387         record_conflict, compare_and_free_webs, init_webs_defs_uses,
3388         parts_to_webs_1, parts_to_webs, reset_conflicts,
3389         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
3390         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
3391         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
3392         put_move, remove_move, combine, select_spill, colorize_one_web,
3393         try_recolor_web, insert_coalesced_conflicts, check_colors,
3394         break_precolored_alias, restore_conflicts_from_coalesce,
3395         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
3396         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
3397         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
3398         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
3399         check_df): Likewise.
3400         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
3401         real_arithmetic, real_compare, real_exponent, real_ldexp,
3402         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
3403         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
3404         real_digit, real_nan, real_maxval, round_for_format, real_convert,
3405         real_to_target, real_from_target, real_hash, encode_ieee_single,
3406         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
3407         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
3408         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
3409         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
3410         extract_insn, peep2_next_insn, peep2_reg_dead_p,
3411         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
3412         if_test_bypass_p): Likewise.
3413         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
3414         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
3415         emit_swap_insn, swap_to_top, move_for_stack_reg,
3416         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
3417         compensate_edge, convert_regs_1): Likewise.
3418         * regclass.c (init_reg_sets, init_reg_sets_1,
3419         memory_move_secondary_cost): Likewise.
3420         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
3421         Likewise.
3422         * reload.c (push_secondary_reload, find_valid_class, push_reload,
3423         operands_match_p, decompose, immune_p, find_reloads,
3424         find_reloads_toplev, find_reloads_address_1, subst_reloads,
3425         copy_replacements, refers_to_regno_for_reload_p,
3426         reg_overlap_mentioned_for_reload_p): Likewise.
3427         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
3428         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
3429         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
3430         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
3431         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
3432         do_output_reload, fixup_abnormal_edges): Likewise.
3433         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
3434         fill_slots_from_thread, relax_delay_slots): Likewise.
3435         * resource.c (mark_referenced_resources, mark_set_resources):
3436         Likewise.
3437         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
3438         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
3439         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
3440         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
3441         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
3442         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
3443         * rtlhooks.c (gen_lowpart_general): Likewise.
3444         * sbitmap.c (sbitmap_difference): Likewise.
3445         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
3446         sched_analyze, add_forward_dependence): Likewise.
3447         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
3448         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
3449         schedule_insns): Likewise.
3450         * sched-vis.c (print_pattern): Likewise.
3451         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
3452         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
3453         simplify_const_relational_operation, simplify_ternary_operation,
3454         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
3455         Likewise.
3456         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
3457         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
3458         resolve_operand_name_1, expand_return, expand_decl,
3459         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
3460         * stor-layout.c (put_pending_size, smallest_mode_for_size,
3461         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
3462         set_sizetype, get_mode_bounds): Likewise.
3463
3464 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
3465
3466         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
3467         * config/arm/pecoff.h, config/i386/beos-elf.h
3468         * config/i386/cygming.h, config/i386/i386-interix.h:
3469         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
3470         comment cloned from manual.
3471         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
3472
3473 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
3474
3475         * builtins.c (build_va_arg_indirect_ref): New function.
3476         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
3477         build_fold_indirect_ref.
3478         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
3479         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
3480         * tree.h: Declare new function.
3481
3482 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
3483
3484         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
3485         dumping for development builds.
3486         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
3487         development builds only.
3488         * genattrtab.c (write_eligible_delay): Fix typo in previous
3489         commit.
3490         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
3491         gcc_assert.
3492
3493 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
3494
3495         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
3496         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
3497         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
3498         hoist_code, extract_mentioned_regs_helper, compute_store_table,
3499         insert_store): Use gcc_assert and gcc_unreachable.
3500         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
3501         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
3502         ggc_record_overhead): Likewise.
3503         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
3504         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
3505         ggc_pop_context, clear_marks, validate_free_objects,
3506         ggc_pch_read): Likewise.
3507         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
3508         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
3509         ggc_push_context, check_cookies, ggc_collect,
3510         ggc_print_statistics): Likewise.
3511         * gimple-low.c (lower_function_body, lower_stmt,
3512         lower_bind_expr): Likewise.
3513         * gimplify.c (gimple_tree_eq, push_gimplify_context,
3514         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
3515         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
3516         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
3517         gimplify_case_label_expr, gimplify_exit_block_expr,
3518         canonicalize_component_ref, gimplify_compound_lval,
3519         gimplify_self_mod_expr, gimplify_call_expr,
3520         gimplify_init_ctor_eval, gimplify_init_constructor,
3521         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
3522         gimplify_expr, check_pointer_types_r,
3523         force_gimple_operand): Likewise.
3524         * global.c (global_alloc, build_insn_chain): Likewise.
3525         * graph.c (clean_graph_dump_file,
3526         finish_graph_dump_file): Likewise.
3527         gcov-io.c (gcov_open): Use GCOV_CHECK.
3528
3529 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
3530
3531         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
3532
3533 2004-09-09  Jan Hubicka  <jh@suse.cz>
3534
3535         middle-end/17128
3536         * tree-inline.c (expand_call_inline): Make overactive sanity check
3537         happy.
3538
3539 2004-09-09  Jan Hubicka  <jh@suse.cz>
3540
3541         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
3542         VIEW_CONVERT_EXPR.
3543
3544 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
3545
3546         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
3547         (gengtype.o): Depend on errors.h.
3548         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
3549         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
3550         attr_alt_subset_p, attr_alt_subset_of_compl_p,
3551         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
3552         write_test_expr, write_attr_value, write_eligible_delay,
3553         make_internal_attr, make_numeric_value): Likewise.
3554         * genautomata.c (regexp_name, get_str_vect,
3555         gen_presence_absence_set, automaton_decl_hash,
3556         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
3557         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
3558         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
3559         test_unit_reserv, it_is_empty_reserv_sets,
3560         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
3561         reserv_sets_and, output_cycle_reservs, get_free_state,
3562         intersected_state_reservs_p, states_union, remove_arc,
3563         copy_insn_regexp, transform_1, transform_2, transform_3,
3564         regexp_transform_func, store_alt_unit_usage,
3565         check_regexp_units_distribution, process_seq_for_forming_states,
3566         process_alts_for_forming_states, make_automaton,
3567         form_arcs_marked_by_insn, create_composed_state,
3568         set_out_arc_insns_equiv_num, partition_equiv_class,
3569         process_insn_equiv_class, set_insn_equiv_classes,
3570         units_to_automata_heuristic_distr, form_regexp,
3571         longest_path_length, output_dfa_max_issue_rate, add_vect,
3572         out_state_arcs_num, add_vect_el, output_trans_table,
3573         output_state_alts_table, output_dead_lock_vect,
3574         output_max_insn_queue_index_def,
3575         output_min_insn_conflict_delay_func,
3576         output_internal_insn_latency_func, output_print_reservation_func,
3577         output_cpu_unit_reservation_p, output_state_arcs,
3578         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
3579         make_default_insn_latency_attr,
3580         form_important_insn_automata_lists): Likewise.
3581         * genemit.c (gen_exp, output_add_clobbers,
3582         output_added_clobbers_hard_reg_p): Likewise.
3583         * genextract.c (print_path, main): Likewise.
3584         * genflags.c (gen_macro): Likewise.
3585         * gengenrtl.c: Include errors.h
3586         (type_from_format, accessor_from_format): Likewise.
3587         * gengtype.c (get_file_basename, output_mangled_typename,
3588         walk_type, write_types_process_field,
3589         write_types_local_process_field): Likewise.
3590         * genmodes.c (complete_mode): Likewise.
3591         * genopinit.c (gen_insn): Likewise.
3592         * genoutput.c (output_insn_data, check_constraint_len,
3593         constraint_len): Likewise.
3594         * genpreds.c (add_mode_tests):Likewise.
3595         * gen-protos.c (add_hash): Likewise.
3596         * genrecog.c (find_operand, find_matching_operand,
3597         validate_pattern, add_to_sequence, maybe_both_true,
3598         nodes_identical_1, merge_trees, write_switch, write_cond,
3599         write_action, is_unconditional, make_insn_sequence,
3600         debug_decision_2): Likewise.
3601         * gensupport.c (is_predicable, collect_insn_data,
3602         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
3603
3604 2004-09-09  Jan Hubicka  <jh@suse.cz>
3605
3606         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
3607         * cfgbuild.c (compute_outgoing_frequencies): When probability is
3608         missing, guess it.
3609         (find_many_sub_basic_blocks): Do update profile only when it is
3610         present.
3611         * predict.c (set_even_probabilities): Break out from ...
3612         (combine_predictions_for_insn): ... here; deal with
3613         !can_predict_insn_p insns.
3614         (combine_predictions_for_bb): Use set_even_probabilities.
3615         (bb_estimate_probability_locally): Break out from ....
3616         (estimate_probability): ... here.
3617         (guess_outgoing_edge_probabilities): New entry point.
3618
3619 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
3620
3621         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
3622         handle_braces, process_brace_body, main, used_arg,
3623         set_multilib_dir, print_multilib_info): Use fatal, not abort.
3624
3625         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
3626
3627         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
3628         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
3629         Morgan's theorem in last checkin.
3630
3631 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3632             Nathan Sidwell  <nathan@codesourcery.com>
3633
3634         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
3635         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
3636         * timevar.c (timevar_push, timevar_pop, timevar_start,
3637         timevar_stop): Likewise.
3638         * toplev.c (default_pch_valid_p): Likewise.
3639         * tracer.c (tail_duplicate): Likewise.
3640         * tree-alias-common.c (get_alias_var_decl,
3641         get_values_from_constructor, create_alias_var, delete_alias_vars,
3642         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
3643         Likewise.
3644         * tree.c (tree_size, make_node_stat, copy_node_stat,
3645         build_int_cst_wide, integer_all_onesp, list_length, chainon,
3646         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
3647         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
3648         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
3649         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
3650         build_method_type_directly, decl_type_context, get_callee_fndecl,
3651         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
3652         tree_fold_gcd): Likewise.
3653         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
3654         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
3655         cleanup_control_expr_graph, find_taken_edge,
3656         find_taken_edge_switch_expr, phi_alternatives_equal,
3657         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
3658         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
3659         tree_split_edge, tree_verify_flow_info, thread_jumps,
3660         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
3661         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3662         chrec_fold_multiply_poly_poly): Likewise.
3663         * tree-complex.c (extract_component, expand_complex_division,
3664         expand_complex_comparison, expand_complex_operations_1,
3665         build_replicated_const, expand_vector_operations_1): Likewise.
3666         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
3667         build_classic_dir_vector): Likewise.
3668         * tree-dfa.c (compute_immediate_uses_for_phi,
3669         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
3670         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
3671         * tree-dump.c (dequeue_and_dump): Likewise.
3672         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
3673         record_in_finally_tree, replace_goto_queue_1,
3674         maybe_record_in_goto_queue, verify_norecord_switch_expr,
3675         do_return_redirection): Likewise.
3676         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
3677         add_to_dst_predicate_list, find_phi_replacement_condition,
3678         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
3679         Likewise.
3680         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
3681         initialize_inlined_parameters, declare_return_variable,
3682         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
3683         optimize_inline_calls, copy_tree_r): Likewise.
3684         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
3685         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
3686         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
3687         tsi_split_statement_list_after, tsi_split_statement_list_before):
3688         Likewise.
3689         * tree-mudflap.c (mf_varname_tree): Likewise.
3690         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
3691         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
3692         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3693         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
3694         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
3695         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
3696         Likewise.
3697         * tree-phinodes.c (resize_phi_node, add_phi_arg,
3698         remove_all_phi_nodes_for): Likewise.
3699         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
3700         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
3701         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
3702         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
3703         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
3704         generate_one_element_ref, generate_element_copy,
3705         generate_element_zero, scalarize_copy, scalarize_init,
3706         scalarize_ldst): Likewise.
3707         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
3708         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
3709         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
3710         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
3711         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
3712         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
3713         widen_bitfield, ccp_fold_builtin): Likewise.
3714         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
3715         replace_exp_1, propagate_tree_value): Likewise.
3716         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
3717         * tree-ssa-dce.c (set_control_dependence_map_bit,
3718         find_control_dependence, find_pdom, mark_operand_necessary,
3719         mark_stmt_if_obviously_necessary,
3720         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
3721         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
3722         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
3723         eliminate_redundant_computations, avail_expr_eq): Likewise.
3724         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
3725         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
3726         duplicate_blocks): Likewise.
3727         * tree-ssa-loop-im.c (for_each_index, set_level,
3728         is_call_clobbered_ref): Likewise.
3729         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
3730         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
3731         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
3732         peel_address, ptr_difference_cost, may_replace_final_value,
3733         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
3734         rewrite_use, rewrite_uses): Likewise.
3735         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
3736         check_loop_closed_ssa_use): Likewise.
3737         * tree-ssanames.c (make_ssa_name): Likewise.
3738         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
3739         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
3740         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
3741         get_indirect_ref_operands, add_stmt_operand): Likewise.
3742         * tree-ssa-pre.c (value_exists_in_set_bitmap,
3743         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
3744         phi_translate, valid_in_set, compute_antic,
3745         find_or_generate_expression, create_expression_by_pieces, insert_aux,
3746         create_value_expr_from, eliminate): Likewise.
3747         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
3748         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
3749         Likewise.
3750         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
3751         eliminate_tail_call): Likewise.
3752         * tree-vectorizer.c (vect_create_index_for_array_ref,
3753         vect_align_data_ref, vect_create_data_ref,
3754         vect_create_destination_var, vect_get_vec_def_for_operand,
3755         vect_finish_stmt_generation, vect_transform_stmt,
3756         vect_transform_loop_bound, vect_transform_loop,
3757         vect_analyze_operations): Likewise.
3758         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
3759         Likewise.
3760         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
3761         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
3762         bsi_after_labels, bsi_last): Likewise.
3763         * tree-ssa-live.c (var_union, change_partition_var,
3764         create_ssa_var_map, calculate_live_on_entry, root_var_init,
3765         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
3766         Likewise.
3767         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
3768         tpa_find_tree): Likewise.
3769         (register_ssa_partition_check): Declare.
3770         (register_ssa_partition): use it.
3771         * tree-ssa-live.c: Include errors.h.
3772         (register_ssa_partition_check): New.
3773         * tree-ssa-operands.c: Include errors.h.
3774         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
3775
3776 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
3777             Catherine Moore  <clm@redhat.com>
3778
3779         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
3780         (FRV_CPU_FR405): New processor enums.
3781         (frv_issue_rate, frv_acc_group): Declare.
3782         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
3783         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
3784         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
3785         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
3786         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
3787         handled by CPP_SPEC.
3788         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
3789         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
3790         (ACC_MASK): New macro.
3791         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
3792         (TARGET_MEDIA_FR450): New macro.
3793         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
3794         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
3795         (LABEL_ALIGN_AFTER_BARRIER): Define.
3796         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
3797         (IACC_FIRST, IACC_LAST): New pair of SPRs.
3798         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
3799         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
3800         (REGISTER_NAMES): Add entries for new registers.
3801         (REG_CLASS_CONTENTS): Update for new register ranges.
3802         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
3803         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
3804         (PACKING_FLAG_USED_P): Delete.
3805         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
3806         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
3807         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
3808         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
3809         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
3810         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
3811         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
3812         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
3813         (CPU_UNITS_QUERY): Define to 1.
3814         * config/frv/frv.c: Include gt-frv.h
3815         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
3816         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
3817         (frv_insn_group): New enumeration.
3818         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
3819         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
3820         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
3821         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
3822         gap left by REGSTATE_LIVE.
3823         (regstate_t): New typedef.
3824         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3825         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
3826         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
3827         Initialize frv_unit_codes[] and frv_type_to_unit[].
3828         (frv_conditional_register_usage): Remove redundant fixing of
3829         accumulator registers.
3830         (frv_insn_packing_flag): Update specification.
3831         (frv_function_prologue): Don't set frv_insn_packing_flag here.
3832         Zero out frv_nops[].
3833         (frv_expand_epilogue): Remove comments about the no-longer-present
3834         SIBCALL_P argument.
3835         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
3836         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
3837         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
3838         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
3839         packing is disabled and if INSN can only issue to M1.
3840         (call_operand): Check TARGET_LONG_CALLS.
3841         (acc_operand, even_acc_operand, quad_acc_operand)
3842         (accg_operand): Simplify.  Don't accept pseudo registers.
3843         (output_move_single): Handle SPR<-zero moves.
3844         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
3845         (frv_registers_update, frv_registers_used_p): Delete.
3846         (frv_registers_set_p): Delete.
3847         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
3848         (frv_issues_to_branch_unit_p): New function.
3849         (frv_packet): New structure.
3850         (frv_cond_flags, frv_regstate_conflict_p): New functions.
3851         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
3852         (frv_registers_update_1, frv_registers_update): New functions.
3853         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
3854         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
3855         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
3856         (frv_sort_insn_group, frv_reorder_packet): New functions.
3857         (frv_pack_insns): Use frv_reorder_packet.
3858         (frv_packet_address): New variable.
3859         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
3860         (frv_register_nop, frv_reorg): New functions.
3861         (bdesc_1arg): Add __SCUTSS.
3862         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
3863         __SUBSS, __SLASS and __SCAN.
3864         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
3865         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
3866         (frv_init_builtins): Register the above builtins.
3867         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
3868         registers.  Turn the referenced accumulators into global registers.
3869         (frv_read_iacc_argument): New function.
3870         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
3871         (frv_split_iacc_move): New function.
3872         (frv_expand_builtin): Handle the new builtins.
3873         * config/frv/frv.md: Replace old schedulers with new order-independent
3874         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
3875         packing algorithm.
3876         (cpu): Add fr550, fr450 and fr405.
3877         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
3878         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
3879         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
3880         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
3881         (fnop, mnop): New patterns.
3882         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
3883         New constants.
3884         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
3885         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
3886         registers.
3887         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
3888         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
3889         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
3890         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
3891         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
3892         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
3893         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
3894         (frv_prefetch0, frv_prefetch): New patterns.
3895         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
3896         -mcpu=simple.  Add -mcpu=fr550.
3897         (MULTILIB_DIRNAMES): Update accordingly.
3898         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
3899         -mcpu=fr450.
3900         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
3901         -mlong-calls and -malign-labels options for FR-V.
3902
3903 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
3904
3905         PR c/8420
3906         * c-tree.h (struct c_declspecs): New.
3907         (struct c_declarator, struct c_type_name, struct c_parm): Update
3908         element types.
3909         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
3910         start_function, start_decl, build_c_parm,
3911         make_pointer_declarator): Update prototypes.
3912         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3913         declspecs_add_scspec, declspecs_add_attrs): New.
3914         (split_specs_attrs): Remove.
3915         * c-parse.in (%union): Add dsptype.
3916         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3917         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3918         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3919         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3920         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3921         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3922         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3923         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3924         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3925         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3926         maybe_type_quals_attrs): Change to dsptype.
3927         (struct c_declspec_stack): New.
3928         (current_declspecs, declspec_stack): Change type.
3929         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
3930         structures.
3931         (extdefs): Likewise.
3932         (setspecs): Likewise.
3933         (fndef): Use current_declspecs for empty declspecs list.
3934         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3935         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3936         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3937         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3938         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3939         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3940         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3941         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
3942         structures and helper functions.  Update comments.
3943         (typespec_nonattr): Correct comment.
3944         (maybe_type_quals_attrs, typename): Update to new structures.
3945         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
3946         shadow_tag, shadow_tag_warned, start_function, start_decl,
3947         build_c_parm, make_pointer_declarator,
3948         set_array_declarator_inner, groktypename): Update to new
3949         structures.
3950         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3951         declspecs_add_scspec, declspecs_add_attrs): New.
3952         (split_specs_attrs): Remove.
3953         (shadow_tag_warned): Make warning for useless type names a
3954         pedwarn.  Give hard error for long, short, signed, unsigned or
3955         _Complex used with struct, union or enum in empty declaration.
3956         Make found_tag a bool.
3957         (grokdeclarator): Remove checks now done at parse time.
3958
3959 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
3960
3961         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
3962         c_declarator, struct c_type_name, struct c_parm): New.
3963         (build_array_declarator, set_array_declarator_inner,
3964         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
3965         start_function, start_decl, build_c_parm, build_attrs_declarator,
3966         build_function_declarator, make_pointer_declarator, c_cast_expr,
3967         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
3968         (build_id_declarator): New.
3969         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
3970         structures.
3971         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
3972         ARG_INFO_OTHERS): Remove.
3973         (build_id_declarator): New.
3974         (build_array_declarator, set_array_declarator_inner, groktypename,
3975         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
3976         grokfield, start_function, store_parm_decls_newstyle,
3977         store_parm_decls_oldstyle, store_parm_decls,
3978         build_c_parm, build_attrs_declarator, build_function_declarator,
3979         make_pointer_declarator, grokdeclarator): Update to new
3980         structures.
3981         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
3982         parmtype.
3983         (declarator, notype_declarator, after_type_declarator,
3984         parm_declarator, parm_declarator_starttypename,
3985         parm_declarator_nostarttypename, array_declarator, typename,
3986         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
3987         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
3988         parmlist_1, parmlist_2, parmlist_or_identifiers,
3989         parmlist_or_identifiers_1): Use these types.
3990         (primary, after_type_declarator, parm_declarator_starttypename,
3991         notype_declarator, component_decl, component_declarator,
3992         component_notype_declarator, typename, absdcl,
3993         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
3994         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
3995
3996 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
3997
3998         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
3999         in_typeof, record_maybe_used_decl, pop_maybe_used,
4000         c_expr_sizeof_expr, c_expr_sizeof_type): New.
4001         * c-decl.c (parser_obstack): New.
4002         (c_init_decl_processing): Initialize parser_obstack.
4003         (c_write_global_declarations_1): Check for used but undefined
4004         static functions.
4005         * c-parse.in (%union): Add otype.
4006         (save_obstack_position): New.
4007         (extdefs): Use it.
4008         (unary_expr): Update in_sizeof and in_alignof.  Use
4009         c_expr_sizeof_expr and c_expr_sizeof_type.
4010         (sizeof): Update in_sizeof.
4011         (alignof): Update in_alignof.
4012         (typeof): Update in_typeof.
4013         (typespec_nonreserved_nonattr): Call pop_maybe_used.
4014         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
4015         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
4016         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
4017         (build_external_ref): Set C_DECL_USED or call
4018         record_maybe_used_decl if appropriate.
4019         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
4020
4021 2004-09-08  Eric Christopher  <echristo@redhat.com>
4022
4023         * builtins.c: Fix prototype for fold_builtin_atan.
4024
4025 2004-09-08  Eric Christopher  <echristo@redhat.com>
4026
4027         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
4028         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
4029         fold_builtin_atan): New functions. Migrate function bodies...
4030         (fold_builtin_1): ... from here.
4031
4032 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
4033
4034         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
4035         save_size.
4036
4037 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
4038
4039         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
4040         * config/rs6000/power5.md (power5-lmul): Same.
4041
4042 2004-09-08  Richard Henderson  <rth@redhat.com>
4043
4044         PR rtl-opt/17186
4045         * function.c (expand_function_end): Have fall-off-the-end
4046         return path jump around return register setup.
4047
4048 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4049
4050         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
4051         (output_return): Do not test for the presence of the 'unimp' insn.
4052         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
4053         as predicates instead of custom ones.  Return raw strings when
4054         possible.
4055         (output_sibcall): Likewise.  Concatenate strings.
4056         (output_ubranch): Remove kludge for TurboSPARC.
4057         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
4058         (output_v9branch): Likewise.
4059         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
4060         <#>: Set sparc_indent_opcode if the delay slot is filled.
4061         <(>: Likewise.
4062         <)>: New operand to emit the displacement from the saved PC on return.
4063         <@>: Remove.
4064         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
4065         (ASM_OUTPUT_OPCODE): New macro.
4066         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
4067         * config/sparc/sparc.md (normal_branch, inverted_branch,
4068         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
4069         inverted_fpe_branch): Adjust call to output_cbranch.
4070         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
4071         call to output_v9branch.
4072         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
4073         (output_v9branch): Likewise.
4074
4075 2004-09-08  Devang Patel  <dpatel@apple.com>
4076
4077         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
4078         -segs_read_only_addr and -segs_read_write_addr.
4079         (WORD_SWITCH_TAKES_ARG): Same.
4080         (LINK_SPEC): Same.
4081         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
4082         -segs_read_write_addr.
4083
4084 2004-09-08  Richard Henderson  <rth@redhat.com>
4085
4086         * function.c (reference_callee_copied): New.
4087         (assign_parm_setup_reg): Use it.
4088         * calls.c (initialize_argument_information): Likewise.
4089         (emit_library_call_value_1): Likewise.
4090         * function.h (reference_callee_copied): Declare.
4091
4092         * target.h (struct gcc_target): Add callee_copies.
4093         * target-def.h (TARGET_CALLEE_COPIES): New.
4094         (TARGET_PASS_BY_REFERENCE): Update default.
4095         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4096         * targhooks.c (hook_callee_copies_named): New.
4097         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
4098         hook_pass_by_reference_false.
4099         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
4100         * targhooks.h: Update decls.
4101         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
4102         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4103         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
4104         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
4105         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4106         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
4107         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4108         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
4109         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4110         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
4111         (mips_callee_copies): New.
4112         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4113         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
4114         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4115         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
4116         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4117         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
4118         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4119         * config/sh/sh.c (sh_callee_copies): New.
4120         (TARGET_CALLEE_COPIES): New.
4121         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4122         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
4123         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
4124         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
4125         for FUNCTION_ARG_CALLEE_COPIES.
4126         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
4127
4128 2004-09-08  Devang Patel  <dpatel@apple.com>
4129
4130         * tree-if-conv.c (find_phi_replacement_condition): Return true
4131         edge block.
4132         (replace_phi_with_cond_modify_expr): Select conditional expr args
4133         based on true edge basic block.
4134
4135 2004-09-08  Jan Hubicka  <jh@suse.cz>
4136
4137         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
4138         variables being alias set.
4139
4140 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
4141
4142         * final.c (shorten_branches, final, get_insn_template,
4143         output_alternate_entry_point, final_scan_insn, alter_subreg,
4144         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
4145         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
4146         * fix-header.c (lookup_std_proto): Likewise.
4147         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
4148         verify_local_live_at_start, update_life_info, mark_reg,
4149         calculate_global_regs_live, allocate_reg_life_data,
4150         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
4151         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
4152         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
4153         * fold-const.c (force_fit_type, div_and_round_double,
4154         may_negate_without_overflow_p, int_const_binop, const_binop,
4155         size_binop, size_diffop, fold_convert_const, fold_convert,
4156         invert_tree_comparison, swap_tree_comparison,
4157         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
4158         range_binop, make_range, fold_cond_expr_with_comparison,
4159         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
4160         fold_abs_const, fold_not_const, fold_relational_const, round_up,
4161         round_down): Likewise.
4162         * function.c (find_function_data, assign_stack_temp_for_type,
4163         instantiate_virtual_regs_lossage, aggregate_value_p,
4164         assign_parm_find_entry_rtl, assign_parm_setup_block,
4165         expand_function_start, expand_function_end, keep_stack_depressed,
4166         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
4167
4168 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
4169
4170         * Makefile.in (tree-loop-linear.o): Added.
4171         (OBJS-common): Add tree-loop-linear.o
4172         * common.opt: New flag, ftree-loop-linear.
4173         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
4174         * tree-flow.h: Add prototype for linear_transform_loops.
4175         * tree-optimize.c: Add linear transform after vectorization.
4176         * tree-pass.h: Add struct pass_linear_transform.
4177         * tree-ssa-loop.c: Add pass_linear_transform.
4178         * tree-loop-linear.c: New file.
4179         * lambda-code.c: gcc_assertify.
4180         (gcc_loop_to_lambda_loop): Handle all exit tests.
4181         Handle case where we have (invariant >= induction var).
4182         (find_induction_var_from_exit_cond): Ditto.
4183
4184 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
4185
4186         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
4187         memory tag is call clobbered, so are its aliases.
4188         (group_aliases): When two memory tags being grouped, if one is
4189         call clobbered, so are the other and its aliases.
4190         (add_may_alias): Remove call-clobbering stuff.
4191         (replace_may_alias): Likewise.
4192         (merge_pointed_to_info): Merge pt_global_mem
4193
4194 2004-09-08  Jan Hubicka  <jh@suse.cz>
4195
4196         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
4197         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
4198         (cgraph_expand_function): Remove stale cgraph edges of currently
4199         compiled function; fix non-unit-at-a-time code copying function
4200         node for later reuse.
4201
4202 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
4203
4204         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
4205         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
4206         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
4207         (vec_gc_free, vec_heap_free): New.
4208         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
4209         (DEF_VEC_P): Add allocator argument. Adjust.
4210         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
4211         (DEF_VEC_O): Add allocator argument. Adjust.
4212         (VEC(free)): New.
4213
4214         * tree.h (tree): Define a GC'd vector.
4215         * lamba-code.c (lambda_loop): Likewise.
4216         * value-prof.h (histogram_value): Likewise.
4217
4218 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
4219
4220         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
4221         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
4222         gen_lowpart_common, gen_highpart, gen_highpart_mode,
4223         subreg_highpart_offset, operand_subword, operand_subword_force,
4224         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
4225         set_mem_alias_set, change_address_1, verify_rtx_sharing,
4226         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
4227         try_split, add_insn_after, add_insn_before, remove_insn,
4228         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
4229         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
4230         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
4231         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
4232         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
4233         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
4234         record_path_before_1, check_path_after_1, check_path_after): Likewise.
4235         * except.c (gen_eh_region, resolve_one_fixup_region,
4236         remove_unreachable_regions, convert_from_eh_region_ranges_1,
4237         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
4238         connect_post_landing_pads, sjlj_emit_function_exit,
4239         remove_exception_handler_label, remove_eh_handler,
4240         reachable_next_level, collect_one_action_chain,
4241         output_function_exception_table): Likewise.
4242         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
4243         optimize_save_area_alloca, allocate_dynamic_stack_space,
4244         probe_stack_range, hard_function_value): Likewise.
4245         * expmed.c (mode_for_extraction, store_bit_field,
4246         store_fixed_bit_field, extract_bit_field, expand_shift,
4247         expand_mult_const, expand_mult, choose_multiplier,
4248         expand_mult_highpart, expand_divmod, emit_store_flag,
4249         do_cmp_and_jump): Likewise.
4250         * expr.c (convert_move, convert_modes, move_by_pieces,
4251         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
4252         move_block_from_reg, gen_group_rtx, emit_group_load,
4253         emit_group_move, emit_group_store, use_reg, use_regs,
4254         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
4255         emit_move_insn, emit_move_insn_1, emit_push_insn,
4256         expand_assignment, store_expr, count_type_elements,
4257         store_constructor, store_field, safe_from_p, expand_var,
4258         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
4259
4260 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
4261
4262         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
4263         gcc_assert and gcc_unreachable.
4264         * ddg.c (create_ddg_dependence, add_deps_for_def,
4265         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
4266         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
4267         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
4268         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
4269         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
4270         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
4271         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
4272         dataflow_set_copy, hybrid_search, diagnostic.c,
4273         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
4274         * dojump.c (do_jump): Likewise.
4275         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
4276         compute_dom_fast_query, calculate_dominance_info,
4277         free_dominance_info, get_immediate_dominator,
4278         set_immediate_dominator, get_dominated_by,
4279         redirect_immediate_dominators, nearest_common_dominator,
4280         dominated_by_p, verify_dominators, recount_dominator,
4281         iterate_fix_dominators, add_to_dominance_info,
4282         delete_from_dominance_info): Likewise.
4283         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
4284         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
4285         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
4286         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
4287         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
4288         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
4289         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
4290         output_call_frame_info, output_loc_operands, build_cfa_loc,
4291         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
4292         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
4293         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
4294         splice_child_die, attr_checksum, same_dw_val_p,
4295         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
4296         unmark_dies, value_format, output_loc_list, output_die,
4297         output_pubnames, output_aranges, base_type_die, is_base_type,
4298         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
4299         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
4300         field_byte_offset, add_data_member_location_attribute,
4301         add_const_value_attribute, rtl_for_decl_location,
4302         add_location_or_const_value_attribute, add_byte_size_attribute,
4303         add_bit_offset_attribute, add_bit_size_attribute,
4304         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
4305         decl_start_label, gen_formal_parameter_die,
4306         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
4307         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
4308         force_decl_die, force_type_die, gen_decl_die,
4309         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
4310         dwarf2out_finish): Likewise.
4311
4312 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
4313
4314         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
4315         * builtins.c: Include tree-mudflap.h.
4316
4317 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
4318
4319         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4320         force operand 0.0 into register in XFmode. Also do not force
4321         operand 0.0 into register if !TARGET_CMOVE.
4322         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
4323         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
4324         implement ftst x87 instruction.
4325         (*fp_jcc_7): New insn pattern. Change corresponding split
4326         pattern to handle "general_operand" instead of
4327         "nonimmediate_operand".
4328
4329 2004-09-08  Ben Elliston  <bje@au.ibm.com>
4330
4331         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
4332
4333 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
4334
4335         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
4336         generated from standard va_arg expansion.
4337         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
4338         marked nodes.
4339         (mf_varname_tree, mf_file_function_line_tree): Add some support
4340         for column numbers if compiled with USE_MAPPED_LOCATION.
4341
4342 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
4343
4344         * c-decl.c (groktypename_in_parm_context): Remove function.
4345         * c-tree.h (groktypename_in_parm_context): Remove prototype.
4346
4347 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
4348
4349         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
4350         * c-parse.in: Include c-common.h instead of objc-act.h.
4351         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
4352         myparms, myparm): Remove %type declarations.
4353         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
4354         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
4355         declarations.
4356         (objc_inherit_code, objc_public_flag): Remove.
4357         (typespec_nonreserved_nonattr): Call
4358         objc_get_protocol_qualified_type() instead of get_static_reference()
4359         and get_protocol_reference().
4360         (stmt_nocomp): Call grokparm() on @catch parameter.
4361         (objcdef): Move semantic action to objc_finish_implementation().
4362         (classdef): Move semantic action to objc_start_class_interface(),
4363         objc_continue_interface(), objc_finish_interface(),
4364         objc_start_class_implementation(), objc_continue_implementation(),
4365         objc_start_category_interface() and
4366         objc_start_category_implementation().
4367         (protocoldef): Move semantic actions to objc_start_protocol() and
4368         objc_finish_interface().
4369         (ivar_decl_list): Remove nonterminal.
4370         (visibility_spec): Move semantic actions to objc_set_visibility().
4371         (ivar_decls): Remove assignment to $$.
4372         (ivar_decl): Rephrase in terms of component_decl; call
4373         objc_add_instance_variable().
4374         (ivars, ivar_declarator): Remove nonterminals.
4375         (opt_semi): New nonterminal.
4376         (methodtype): Remove semantic actions.
4377         (methoddef): Move semantic actions to objc_set_method_type(),
4378         objc_start_method_definition() and objc_finish_method_definition().
4379         (methodproto): Move semantic actions to objc_set_method_type() and
4380         objc_add_method_declaration().
4381         (methoddecl): Use objc_typename instead of typename; move semantic
4382         actions to objc_build_method_signature().
4383         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
4384         (optparmlist): Express in terms of optparms and optellipsis.
4385         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
4386         nonterminals.
4387         (keyworddecl): Use objc_typename instead of typename.
4388         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
4389         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
4390
4391 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
4392
4393         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
4394         (MD_FALLBACK_FRAME_STATE_FOR): Update.
4395         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
4396         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
4397         (MD_FROB_UPDATE_CONTEXT): Remove default.
4398         (uw_update_context_1): Instead #ifdef invocation.
4399         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
4400         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
4401         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
4402         (MD_UNWIND_SUPPORT): Undefine this instead.
4403         * config/i386/gnu.h: Likewise.
4404         * config/alpha/linux-unwind.h: New file, macro converted to
4405         function, extracted from..
4406         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
4407         (MD_UNWIND_SUPPORT): Define.
4408         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
4409         * config/i386/linux-unwind.h, config/i386/linux.h,
4410         config/i386/linux64.h: Likewise.
4411         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
4412         MD_HANDLE_UNWABI too.
4413         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
4414         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
4415         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
4416         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
4417         * config/sparc/linux-unwind.h, config/sparc/linux.h,
4418         config/sparc/linux64.h: Likewise.
4419         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
4420         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
4421         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
4422         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
4423         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
4424
4425 2004-09-07  Jan Hubicka  <jh@suse.cz>
4426
4427         * cse.c (fold_rtx):  Avoid building of
4428         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
4429
4430         * tree-ssa-pre.c (grand_bitmap_obstack): New.
4431         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
4432         (init_pre): Initialize obstack.
4433         (fini_pre): Free obstack.
4434
4435 2004-09-07  David Daney  <ddaney@avtrex.com>
4436
4437         * config.gcc: Added support for --with-divide=[breaks|traps] for
4438         mips targets.
4439         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
4440         (TARGET_DIVIDE_TRAPS): New macro.
4441         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
4442         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
4443         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
4444         GENERATE_DIVIDE_TRAPS.
4445         (mips_output_division): Emit conditional trap if
4446         GENERATE_DIVIDE_TRAPS is set.
4447         * doc/install.texi: Document --with-divide.
4448         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
4449
4450 2004-09-07  Caroline Tice  <ctice@apple.com>
4451
4452         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
4453         EDGE_CROSSING, to flags test case.
4454
4455 2004-09-07  Jan Hubicka  <jh@suse.cz>
4456
4457         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
4458         class too.
4459
4460 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
4461
4462         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
4463         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
4464         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
4465         or gcc_unreachable.
4466         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
4467         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
4468         alloc_aux_for_edges, free_aux_for_edges): Likewise.
4469         * cfgcleanup.c (try_forward_edges,
4470         merge_blocks_move_predecessor_nojumps,
4471         merge_blocks_move_successor_nojumps): Likewise.
4472         * cfgexpand.c (expand_gimple_cond_expr,
4473         expand_gimple_tailcall): Likewise.
4474         * cfghooks.c (duplicate_block): Likewise.
4475         * cfglayout.c (record_effective_endpoints,
4476         insn_locators_initialize, change_scope, fixup_reorder_chain,
4477         verify_insn_chain, fixup_fallthru_exit_predecessor,
4478         duplicate_insn_chain, cfg_layout_finalize): Likewise.
4479         * cfgloopanal.c (check_irred): Likewise.
4480         * cfgloop.c (superloop_at_depth, flow_loops_free,
4481         flow_loop_entry_edges_find, flow_loops_find,
4482         flow_loop_outside_edge_p, get_loop_body,
4483         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
4484         get_loop_exit_edges, num_loop_branches, cancel_loop,
4485         verify_loop_structure): Likewise.
4486         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
4487         duplicate_loop_to_header_edge, create_preheader,
4488         create_loop_notes): Likewise.
4489         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
4490         edirect_branch_edge, force_nonfallthru_and_redirect,
4491         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
4492         commit_edge_insertions, commit_edge_insertions_watch_calls,
4493         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
4494         cfg_layout_redirect_edge_and_branch_force,
4495         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
4496         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
4497         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
4498         cgraph_varpool_node): Likewise.
4499         * cgraphunit.c (cgraph_finalize_function,
4500         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
4501         cgraph_expand_function, cgraph_remove_unreachable_nodes,
4502         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
4503         cgraph_mark_inline, cgraph_expand_all_functions,
4504         cgraph_build_static_cdtor): Likewise.
4505         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
4506         simplify_logical, distribute_notes, insn_cuid): Likewise.
4507         * conflict.c (conflict_graph_add, print_conflict): Likewise.
4508         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
4509         coverage_checksum_string): Likewise.
4510         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
4511         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
4512         cse_cc_succs, cse_condition_code_reg): Likewise.
4513         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
4514         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
4515         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
4516         cselib_record_set): Likewise.
4517
4518 2004-09-07  Jan Hubicka  <jh@suse.cz>
4519
4520         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
4521
4522 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
4523
4524         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
4525         fold_convert.
4526         (fold_builtin_strpbrk): Likewise.
4527         * expr.c (array_ref_low_bound): Likewise.
4528         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
4529         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
4530         * tree-sra.c (generate_element_zero): Likewise.
4531         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
4532         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
4533         add_old_iv_candidates, add_iv_candidates): Likewise.
4534         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
4535
4536 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
4537
4538         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
4539         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
4540         c_expand_expr, boolean_increment, nonnull_check_p,
4541         check_function_arguments_recurse, fold_offsetof_1): Likewise.
4542         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
4543         builtin_define_type_max): Likewise.
4544         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
4545         implicit_decl_warning, builtin_function, build_compound_literal,
4546         complete_array_type, grokdeclarator, get_parm_info,
4547         start_function, store_parm_decls_oldstyle,
4548         c_write_global_declarations): Likewise.
4549         * c-format.c (get_constant, decode_format_attr,
4550         maybe_read_dollar_number, get_flag_spec, check_format_arg,
4551         check_format_types, format_type_warning,
4552         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
4553         init_dynamic_diag_info, handle_format_attribute): Likewise.
4554         * c-gimplify.c (push_context, pop_context, finish_bc_block):
4555         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
4556         * c-objc-common.c (c_tree_printer): Likewise.
4557         * c-pch.c (pch_init): Likewise.
4558         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
4559         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
4560         * c-typeck.c (c_incomplete_type_error, composite_type,
4561         common_pointer_type, common_type, same_translation_unit_p,
4562         tagged_types_tu_compatible_p, finish_init, pop_init_level,
4563         set_designator, set_nonincremental_init_from_string,
4564         process_init_element, c_finish_if_stmt): Likewise.
4565         * caller-save.c (init_caller_save, save_call_clobbered_regs,
4566         insert_restore, insert_save, insert_one_insn): Likewise.
4567         * calls.c (emit_call_1, compute_argument_block_size,
4568         precompute_arguments, expand_call, emit_library_call_value_1,
4569         store_one_arg): Likewise.
4570
4571 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
4572
4573         * configure.ac (enable-checking): Add release option. Reorganize
4574         to avoid repetition.
4575         * configure: Rebuilt.
4576         * doc/install.texi (enable-checking): Amend documentation.
4577
4578 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
4579
4580         PR bootstrap/17313
4581         * Makefile.in (specs.ready): Depend on cc1$(exeext).
4582
4583 2004-09-06  James E Wilson  <wilson@specifixinc.com>
4584
4585         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
4586         movdf_hardfloat_32bit): Split fG into two alternatives.
4587         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
4588
4589         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
4590
4591 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
4592
4593         * final.c (output_in_slot): Delete.
4594         (final_scan_insn): Revert 2004-09-03 change.
4595         (output_asm_insn): Likewise.
4596         * config/sparc/sparc.c (output_return): Likewise.
4597         (output_sibcall): Likewise.
4598
4599 2004-09-06  Jan Hubicka  <jh@suse.cz>
4600
4601         * loop.c (loop_dump_aux): Do not print RTL when not available.
4602         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
4603         frontend specific type nodes.
4604         (produce_memory_decl_rtl): Break out from ...
4605         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
4606         (get_computation_at): Avoid random tree sharing.
4607         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
4608
4609 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
4610
4611         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
4612         unnecessary commands.
4613
4614 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
4615
4616         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
4617         (bitmap.o): Likewise.
4618
4619 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
4620
4621         Unify the management of RTL and tree-level dump files.
4622
4623         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
4624         Don't print function name to the dump file, the pass manager
4625         would do this for us. Add code from the top of
4626         rest_of_compilation, up to the initial RTL dump.
4627         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
4628         close the DFI_sibling dump file.
4629         (rest_of_compilation): Don't do that here.  Remove code up to the
4630         initial RTL dump.
4631         (init_optimization_passes): Remove.
4632         (pass_rest_of_compilation): Change pass name to NULL.
4633         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
4634         Do not call init_optimization_passes.
4635         * toplev.h (init_optimization_passes): Remove.
4636
4637         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
4638         finish_graph_dump_file): Remove SUFFIX parameter.
4639         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
4640         finish_graph_dump_file): Likewise.
4641
4642         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
4643         * cfgexpand.c (pass_expand): Adjust.
4644         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
4645         * passes.c (pass_rest_of_compilation): Adjust.
4646         * predict.c (pass_profile): Adjust.
4647         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
4648         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
4649         pass_split_crit_edges, pass_warn_function_return): Adjust.
4650         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
4651         * tree-dfa.c (pass_referenced_vars): Adjust.
4652         * tree-eh.c (pass_lower_eh): Adjust.
4653         * tree-if-conv.c (pass_build_ssa): Adjust.
4654         * tree-into-ssa.c (pass_build_ssa): Adjust.
4655         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
4656         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
4657         * tree-nrv.c (pass_nrv): Adjust.
4658         * tree-optimize.c (pass_gimple, pass_all_optimizations,
4659         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
4660         pass_init_datastructures): Adjust.
4661         * tree-outof-ssa.c (pass_del_ssa): Adjust.
4662         * tree-profile.c (pass_tree_profile): Adjust.
4663         * tree-sra.c (pass_sra): Adjust.
4664         * tree-ssa-alias.c (pass_may_alias): Adjust.
4665         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
4666         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
4667         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
4668         * tree-ssa-dom.c (pass_dominator): Adjust.
4669         * tree-ssa-dse.c (pass_dse): Adjust.
4670         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
4671         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
4672         * tree-ssa-loop-ch.c (pass_ch): Adjust.
4673         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
4674         pass_loop_done, pass_complete_unroll, pass_iv_canon,
4675         pass_iv_optimize, pass_vectorize): Adjust.
4676         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
4677         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
4678         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
4679         pass_late_warn_uninnitialized): Adjust.
4680         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
4681
4682         * Makefile.in (tree-dump.o): Add new dependencies.
4683         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
4684         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
4685         Likewise.
4686         * toplev.c (dump_file_name): New.
4687         * tree-dump.c (dump_enable_all): Add LETTER parameter.
4688         (struct dump_file_info): Add NUM and LETTER fields.
4689         (dump_files): Adjust and add RTL dump files.
4690         (dump_register): Add NUM and LETTER fields.
4691         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
4692         (dump_begin): Use get_dump_file_name.
4693         (dump_switch_p_1): Adjust call to dump_enable_all.
4694         * tree-dump.h (dump_register): Adjust prototype.
4695         * tree-optimize.c (register_one_dump_file): Take dump file index.
4696         Support flags for RTL dumps.
4697         (register_dump_files): Fill in NUM field of struct dump_file_info.
4698         Track properties both when the gate is executed and when it is not.
4699         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
4700         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
4701         dumps of RTL.
4702         * tree-pass.h (dump_file_name): New.
4703         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
4704         New.
4705
4706         * Makefile.in (passes.o): Add new dependencies.
4707         * passes.c (struct dump_file_info, enum dump_file_index,
4708         dump_file_tbl, init_optimization_passes): Remove.
4709         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
4710         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
4711         dump_enabled_p.
4712         (finish_optimization_passes): Update finish_graph_dump_file loop.
4713         (enable_rtl_dump_file): Remove.
4714         * tree-dump.c (dump_files): Adjust and add RTL dump files.
4715         (enable_rtl_dump_file): Add here.
4716         * tree.h (enum tree_dump_index): Add RTL dump file indices.
4717         * doc/invoke.texi (Debugging options): Document new RTL debugging
4718         options.  Update.
4719
4720 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
4721
4722         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
4723         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
4724         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
4725         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
4726         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
4727         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
4728         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
4729         vec.h: Fix comment formatting.
4730
4731 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
4732
4733         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
4734         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
4735         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
4736         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
4737         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
4738         tree-ssa-loop-niter.c, tree-ssa-operands.c,
4739         tree-ssa-operands.h, tree-ssa-propagate.c,
4740         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
4741         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
4742
4743 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
4744
4745         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
4746         vectorizer is enabled.
4747
4748 2004-09-05  Andreas Jaeger  <aj@suse.de>
4749
4750         * tree-if-conv.c: Spell check comments and clean up whitespace.
4751
4752 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4753
4754         * tree-ssa-loop-ivopts.c: New file.
4755         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
4756         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
4757         target_pres_cost, target_spill_cost): Declare.
4758         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
4759         spill_cost): Renamed to ...
4760         (target_avail_regs, target_res_regs, target_small_cost,
4761         target_pres_cost, target_spill_cost): ... and exported.
4762         (init_set_costs, global_cost_for_size): Work with renamed variables.
4763         * common.opt (flag_ivopts): New flag.
4764         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
4765         REF_ORIGINAL.
4766         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
4767         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
4768         generating SSA form.
4769         (force_gimple_operand): New function.
4770         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
4771         * tree-cfg.c (stmt_bsi): New function.
4772         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
4773         PARAM_IV_MAX_CONSIDERED_USES): New.
4774         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
4775         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
4776         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
4777         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
4778         * tree-nested.c (build_addr): Export.
4779         * tree-optimize.c (init_tree_optimization_passes): Add
4780         pass_iv_optimize.
4781         * tree-pass.h (pass_iv_optimize): Declare.
4782         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
4783         IMAGPART_EXPR.
4784         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
4785         as a phi node argument.
4786         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
4787         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
4788         functions.
4789         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
4790         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
4791         pass_iv_optimize): New pass.
4792         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
4793         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
4794         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
4795         * tree.h (REF_ORIGINAL): New macro.
4796         (build_int_cst_type, unsigned_type_for, zero_p,
4797         cst_and_fits_in_hwi, build_addr): Declare.
4798         * doc/invoke.texi (-fivopts): Document.
4799         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
4800         PARAM_IV_MAX_CONSIDERED_USES): Document.
4801         * doc/passes.texi: Document induction variable optimizations pass.
4802
4803 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4804
4805         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
4806         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
4807         * c-common.c (c_common_attribute_table): Accept parameters to
4808         sentinel attribute.
4809         (check_function_sentinel, handle_sentinel_attribute): Likewise.
4810         * doc/extend.texi: Update accordingly.
4811
4812 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4813
4814         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
4815         New.
4816         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
4817         attribute.
4818         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
4819         New functions.
4820         (c_common_attribute_table): Add `sentinel' attribute.
4821         (check_function_arguments): Handle `sentinel' attribute.
4822         * doc/extend.texi: Document `sentinel' attribute.
4823
4824 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
4825
4826         * configure: Regenerated.
4827
4828 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4829
4830         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
4831
4832         * tree.c (save_expr): No longer TREE_READONLY.
4833
4834 2004-09-04  Jan Hubicka  <jh@suse.cz>
4835
4836         * passes.c (rest_of_clean_state):  Fix merge conflict made during
4837         commiting the patch.
4838
4839 2004-09-04  Jan Hubicka  <jh@suse.cz>
4840
4841         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
4842
4843 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
4844
4845         * doc/md.texi (shift patterns): New anchor.  Add reference to
4846         TARGET_SHIFT_TRUNCATION_MASK.
4847         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
4848         * target.h (shift_truncation_mask): New target hook.
4849         * targhook.h (default_shift_truncation_mask): Declare.
4850         * targhook.c (default_shift_truncation_mask): Define.
4851         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
4852         (TARGET_INITIALIZER): Include it.
4853         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
4854         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
4855         reject all out-of-range values.  Fix sign-extension code for modes
4856         whose width is smaller than HOST_BITS_PER_WIDE_INT.
4857         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
4858         (expand_superword_shift, expand_subword_shift): Likewise.
4859         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
4860         (expand_binop): Use them to implement double-word shifts.
4861         * config/arm/arm.c (arm_shift_truncation_mask): New function.
4862         (TARGET_SHIFT_TRUNCATION_MASK): Define.
4863
4864 2004-09-04  Jan Hubicka  <jh@suse.cz>
4865
4866         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
4867         (mix): New macro copied from hashtab.c
4868         (iterative_hash_hashval_t, iterative_hash_pointer,
4869         iterative_hash_host_wide_int): New functions based on hashtab.c
4870         implementation.
4871
4872 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
4873
4874         * config/mips/mips.md (mask): New mode attribute.
4875         (zero_extendsidi2): Add memory alternative.
4876         (*zero_extendsidi2_mem): Delete.
4877         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
4878         memory_operand in the TARGET_MIPS16 check.
4879         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
4880         Redefine using :GPR and :SHORT.
4881         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
4882
4883 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
4884
4885         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
4886         using rint_optab.
4887         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
4888         expand_builtin_mathfn.
4889         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
4890         btrunc?f patterns for btrunc_optab. Implement rint_optab using
4891         rint?f patterns.
4892         * optabs.c (init_optabs): Initialize rint_optab.
4893         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
4894         Add new OTI_rint.
4895         (btrunc_optab): Rename macro from trunc_optab.
4896         (rint_optab): Define corresponding macro.
4897
4898         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
4899         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
4900
4901         * config/i386/i386-protos.h (emit_i387_cw_initialization):
4902         Change prototype. Add new int parameter.
4903         * config/i386/i386.c (emit_i387_cw_initialization):
4904         Handle new rounding modes.
4905
4906         * config/i386/i386.h (enum fp_cw_mode): Delete.
4907         (MODE_NEEDED): Handle new rounding modes.
4908         (EMIT_MODE_SET): Change condition to handle new rounding modes.
4909
4910         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
4911         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
4912         represent different rounding modes of frndint insn.
4913         (type): Add frndint type.
4914         (i387, length, memory): Handle this type.
4915         (i387_cw): New attribute definition.
4916         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
4917         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
4918         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
4919         Add "i387_cw" attribute defined to "trunc".
4920         (x86_fnstcw_1): Remove comment.
4921         (*frndintxf2): Rename insn definition to frndintxf2. Move
4922         insn definition near rint?f2 expanders.
4923         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
4924         rintf and rintl built-ins as inline x87 intrinsics.
4925         (frndintxf2_floor): New pattern to implement floor rounding
4926         mode with frndint x87 instruction.
4927         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
4928         floorf and floorl built-ins as inline x87 intrinsics.
4929         (frndintxf2_ceil): New pattern to implement ceil rounding
4930         mode with frndint x87 instruction.
4931         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
4932         ceilf and ceill built-ins as inline x87 intrinsics.
4933         (frndintxf2_trunc): New pattern to implement trunc rounding
4934         mode with frndint x87 instruction.
4935         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
4936         truncf and truncl built-ins as inline x87 intrinsics.
4937         (frndintxf2_mask_pm): New pattern to implement rounding
4938         mode with exceptions with frndint x87 instruction.
4939         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
4940         implement nearbyint, nearbyintf and nearbyintl built-ins as
4941         inline x87 intrinsics.
4942
4943 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
4944
4945         * config/mips/mips.md (SHORT): New mode macro.
4946         (size): New mode attribute.
4947         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
4948         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
4949         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
4950         !ISA_HAS_SEB_SEH.
4951         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
4952         *extend[qh]isi2_hw patterns and extending them to di.
4953         (extendqihi2): Implement as define_insn_and_split that produces
4954         extendqisi2 after reload.
4955
4956 2004-09-03  Devang Patel  <dpatel@apple.com>
4957
4958         * Makefile.in (OBJS-common): Add tree-if-conv.o
4959         (tree-if-conv.o): New rule.
4960         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
4961         (get_loop_body_in_bfs_order): New.
4962         * cfgloop.h (get_loop_body_in_bfs_order): New.
4963         * tree-flow.h (enum move_pos): Move here from ..
4964         * tree-ssa-loop-im.c (enum move_pos): here.
4965         (movement_possibility): Make externally visible.
4966         * tree-optimize.c (init_tree_optimization_passes): New entry for
4967         if conversion pass.
4968         * tree-pass.h (pass_if_conversion): New.
4969         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
4970         * tree-if-conv.c: New file.
4971         * doc/passes.texi: Document tree if-conversion pass.
4972         * doc/tree-ssa.texi: Same.
4973
4974 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
4975
4976         PR target/14925:
4977         Makefile.in (LIB2ADDEHSTATIC): New.
4978         (LIB2ADDEHSHARED): New.
4979         (LIBUNWIND): New.
4980         (LIBUNWINDDEP): New.
4981         (SHLIBUNWIND_LINK): New.
4982         (SHLIBUNWIND_INSTALL): New.
4983         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
4984         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
4985         (clean): Remove libunwind*
4986         (stage1-start): Remove and copy stage1/libunwind*.
4987         (stage2-start): Remove and copy stage2/libunwind*.
4988         (stage3-start): Remove and copy stage3/libunwind*.
4989         (stage4-start): Remove and copy stage4/libunwind*.
4990         (stageprofile-start): Remove and copy stageprofile/libunwind*.
4991         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
4992
4993         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
4994         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
4995         tmake_file if --with-system-libunwind isn't used.
4996
4997         * config/ia64/t-glibc-libunwind: New file.
4998         * config/t-libunwind-elf: Likewise.
4999         * unwind-compat.c: Likewise.
5000         * unwind-compat.h: Likewise.
5001         * unwind-dw2-fde-compat.c: Likewise.
5002
5003         * config/ia64/t-glibc (LIB2ADDEH): Updated.
5004         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
5005
5006         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
5007         aliases if needed.
5008         * unwind-dw2-fde-glibc.c: Likewise.
5009         * unwind-dw2.c: Likewise.
5010
5011         * config/t-libunwind (LIB2ADDEH): Updated.
5012         (LIB2ADDEHSTATIC): New.
5013         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
5014         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
5015
5016         * configure.ac: Change --enable-libunwind-exceptions to
5017         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
5018         * configure: Regenerated.
5019         * config.in: Updated.
5020
5021         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
5022         above and mention --with-system-libunwind.
5023         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
5024         removed in gcc 3.4.3 and later.
5025
5026         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
5027         USE_LIBUNWIND_EXCEPTIONS is defined.
5028
5029         * mklibgcc.in: Support libunwind.
5030
5031 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
5032
5033         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
5034         m_NOCONA.
5035
5036 2004-09-03  Richard Henderson  <rth@redhat.com>
5037
5038         PR middle-end/9997
5039         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
5040         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
5041         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
5042         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
5043         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
5044         resize_stack_vars_conflict, add_stack_var_conflict,
5045         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
5046         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
5047         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
5048         expand_one_static_var, expand_one_hard_reg_var,
5049         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
5050         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
5051         (expand_used_vars): Rewrite.
5052         * Makefile.in (cfgexpand.o): Update dependencies.
5053
5054 2004-09-04  Jan Hubicka  <jh@suse.cz>
5055
5056         * cfg.c (free_edge): Use ggc_free.
5057         (expunge_block): Use ggc_free.
5058         * passes.c (rest_of_clean_state): Free after compilation.
5059         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
5060         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
5061
5062 2004-09-03  James E Wilson  <wilson@specifixinc.com>
5063
5064         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
5065         DECL_EXTERNAL check.
5066
5067 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5068
5069         * final.c (output_in_slot): New global variable.
5070         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
5071         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
5072         'output_in_slot' before invoking output_asm_insn.
5073         (output_asm_insn): Add a space after the tab if 'output_in_slot'
5074         is set.
5075         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
5076         final_scan_insn.
5077         (output_sibcall): Likewise.
5078
5079 2004-09-03  Jan Hubicka  <jh@suse.cz>
5080
5081         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
5082         * tree-ssanames (init_ssanames): Likewise.
5083
5084 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
5085
5086         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
5087         objc_declare_protocols, objc_start_protocol,
5088         objc_start_class_interface, objc_start_category_interface,
5089         objc_continue_interface, objc_finish_interface,
5090         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
5091         objc_start_class_implementation, objc_start_category_implementation,
5092         objc_continue_implementation, objc_finish_implementation,
5093         objc_add_method_declaration, objc_start_method_definition,
5094         objc_finish_method_definition, objc_build_keyword_decl,
5095         objc_build_method_signature, objc_build_encode_expr,
5096         objc_build_protocol_expr, objc_build_selector_expr,
5097         objc_build_message_expr, objc_build_string_object,
5098         objc_get_class_reference, objc_get_protocol_qualified_type,
5099         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
5100
5101 2004-09-03  James E Wilson  <wilson@specifixinc.com>
5102
5103         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
5104
5105         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
5106         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
5107         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
5108         (mips_recip1_<fmt>): Use frdiv1 type.
5109         (mips_recip2_<fmt>): Use frdiv2 type.
5110         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
5111         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
5112         and frsqrt1.
5113         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
5114
5115 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
5116
5117         * reload.c (find_reloads): Swap operand_loc pointers for
5118         find_dummy_reload if we have swapped two operands.
5119
5120 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
5121
5122         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
5123         to get the tablejump-insn before the jump-table label.
5124
5125 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
5126
5127         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
5128         objc_declare_protocols, objc_build_message_expr,
5129         objc_finish_message_expr, objc_build_selector_expr,
5130         objc_build_protocol_expr, objc_build_encode_expr,
5131         objc_build_string_object, objc_get_protocol_qualified_type,
5132         objc_get_class_reference, objc_get_class_ivars,
5133         objc_start_class_interface, objc_start_category_interface,
5134         objc_start_protocol, objc_continue_interface, objc_finish_interface,
5135         objc_start_class_implementation, objc_start_category_implementation,
5136         objc_continue_implementation, objc_finish_implementation,
5137         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
5138         objc_add_method_declaration, objc_start_method_definition,
5139         objc_finish_method_definition, objc_add_instance_variable,
5140         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
5141         objc_finish_try_stmt, objc_begin_catch_clause,
5142         objc_finish_catch_clause, objc_build_finally_clause,
5143         objc_build_synchronized, objc_static_init_needed_p,
5144         objc_generate_static_init_call): New prototypes.
5145
5146 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
5147
5148         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
5149         is only one reg.
5150         (ia64_function_value): Ditto.
5151
5152 2004-09-03  Jan Beulich  <jbeulich@novell.com>
5153
5154         * config.gcc: Resurrect NetWare as a target. Handle special case of
5155         Novell linker to be used (specified through --with-ld=) and threading
5156         model of either Posix (default) or NKS.
5157         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
5158         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
5159         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
5160         * config/i386/netware.c, config/i386/netware.h: New.
5161         * config/i386/nwld.c, config/i386/nwld.h: New.
5162         * config/i386/netware-crt0.c: New.
5163         * config/i386/netware-libgcc.c: New.
5164         * config/i386/netware-libgcc.def: New.
5165         * config/i386/netware-libgcc.exp: New.
5166         * config/i386/t-netware, config/i386/t-nwld: New.
5167         * gthr-nks.h: New.
5168         * doc/install.texi: Document NKS threading model.
5169
5170 2004-09-03  Jan Beulich  <jbeulich@novell.com>
5171
5172         PR c/7054
5173         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
5174         * tree.h (initial_max_fld_align): Declare
5175         * stor-layout.c (initial_max_fld_align): Define and initialize.
5176         (maximum_field_alignment): Initialize to the same value.
5177         * common.opt: Add -fpack-struct= variant of switch.
5178         * opts.c: Handle -fpack-struct= variant of switch.
5179         * c-pragma.c: Change #pragma pack() handling so that it becomes
5180         compatible to other compilers: accept individual 'push' argument,
5181         make final pop restore (command line) default, correct interaction
5182         of push/pop and sole specification of a new alignment (so that the
5183         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
5184         to #pragma pack(push, <n>).
5185         * doc/extend.texi: New node "Structure-Packing Pragmas" under
5186         "Pragmas", describing #pragma pack.
5187         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
5188         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
5189         Document new TARGET_DEFAULT_PACK_STRUCT.
5190
5191 2004-09-03  Devang Patel  <dpatel@apple.com>
5192
5193         * dwarf2out.c (gen_field_die). Equate decl number to die.
5194
5195 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
5196
5197         PR target/15832
5198         * global.c (modify_reg_pav): New function.
5199         (make_accurate_live_analysis): Call the new function.  Move pavin
5200         modification by earlyclobber set into the new function.
5201
5202 2004-09-03  Andreas Schwab  <schwab@suse.de>
5203
5204         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
5205         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
5206         extended.
5207
5208 2004-09-02  Jan Beulich  <jbeulich@novell.com>
5209
5210         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
5211         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
5212         not unwind code specific ones.
5213         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
5214         Remove unwind code specific dependencies.
5215         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
5216         Remove gbl-ctors.h.
5217         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
5218         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
5219         * tsystem.h: Declare memcpy and memset when inhibit_libc.
5220
5221 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
5222
5223         * combine.c (try_combine): Delay modifying of insns which cannot
5224         be easily undone.
5225
5226 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
5227
5228         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
5229         tree-loop-im.
5230         * gcc/tree-ssa-loop.c: Ditto
5231         * gcc/tree-ssa-loop-ivcanon.c: Ditto
5232         * gcc/doc/invoke.texi: Ditto.
5233
5234 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
5235
5236         * c-decl.c (store_parm_decls_newstyle): Make static.
5237         (store_parm_decls_from): New function.
5238         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
5239         (store_parm_decls_from): New prototype.
5240
5241 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
5242
5243         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
5244         HImode with STRICT_ALIGNMENT.
5245
5246 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
5247
5248         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
5249         (TARGET_OS_CPP_BUILTINS): Likewise.
5250         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
5251         TARGET_BPABI_CPP_BUILTINS.
5252
5253 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
5254
5255         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
5256
5257 2004-09-02  Eric Christopher  <echristo@redhat.com>
5258
5259         * builtins.c (expand_builtin_cabs): Delete.
5260         (expand_builtin): If unable to fold the values do a normal
5261         library call for builtin_cab*.
5262         (fold_builtin_cabs): Depend on optimize and optimize_size.
5263         * optabs.c (expand_cmplxdiv_straight): Delete.
5264         (expand_cmplxdiv_wide): Ditto.
5265         (expand_vector_binop): Ditto.
5266         (expand_vector_unop): Ditto.
5267         (expand_complex_abs): Delete.
5268         (expand_binop): Remove calls to above functions.
5269         Remove open coding of complex arithmetic.
5270         (expand_unop): Ditto.
5271         * optabs.h: Remove prototypes.
5272
5273 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
5274
5275         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
5276         * c-tree.h (store_parm_decls_newstyle): New prototype.
5277
5278 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
5279
5280         * config/rs6000/rs6000.c (expand_block_clear): Use vector
5281         instructions if available.
5282         (expand_block_move): Likewise.
5283
5284 2004-09-03  Jan Hubicka  <jh@suse.cz>
5285
5286         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
5287
5288 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
5289
5290         * config/arm/symbian.h (LIB_SPEC): Define to empty.
5291         * config/arm/t-symbian (SHLIB_LC): Likewise.
5292
5293 2004-09-02  Paul Brook  <paul@codesourcery.com>
5294
5295         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
5296
5297 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
5298
5299         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
5300         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
5301         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
5302         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
5303         (mips_issue_rate): Remove unreachable abort.
5304         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
5305         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
5306         (mips_block_move_straight, print_operand_address, mips_file_start)
5307         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
5308         (mips_output_conditional_branch, mips_expand_builtin_direct)
5309         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
5310         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
5311         with gcc_assert.
5312
5313 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
5314
5315         * config/mips/mips.md (*lea_high64): Change split condition to
5316         flow2_completed.  Add a peephole2 to generate a more parallel version.
5317
5318 2004-09-02  Jan Hubicka  <jh@suse.cz>
5319
5320         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
5321         GGC.
5322
5323         * ggc-page.c: include tree-flow.h.
5324         (extra_order_size_table): Add stmt_ann_d.
5325         (STAT_LABEL): Rename from ....
5326         (LABEL): ... this one.
5327         * Makefile.in (ggc-page.o): Add dependency.
5328
5329         * ggc-common.c (ggc_force_collect): New global variable.
5330         (loc_description): Add fields "freed", "collected"
5331         (ptr_hash): New static hash
5332         (ptr_hash_entry): New structure.
5333         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
5334         (ggc_record_overhead): Take ptr argument, record it
5335         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
5336         (cmp_statistics): Imrove sorting.
5337         (dump_ggc_loc_statistics): Output newly collected statistics
5338         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
5339         (ggc_free): Call ggc_free_overhead.
5340         (ggc_collect): Force collection when asked to be forced.
5341         (ggc_collect): Call ggc_prune_overhead_list.
5342         * ggc.h (ggc_force_collect): Declare
5343         (ggc_record_overhead): Update prototype.
5344         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
5345
5346 2004-09-02  James E Wilson  <wilson@specifixinc.com>
5347
5348         * common.opt (ftrapping-math): Default to on.
5349
5350 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
5351
5352         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
5353
5354 2004-09-02  Denis Chertykov  <denisc@overta.ru>
5355
5356         PR target/16884
5357         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
5358         match_scratch.
5359         (*movmemqi_insn): Likewise.
5360         (*movmemhi): Likewise.
5361         (clrmemhi): Likewise.
5362         (*clrmemqi): Likewise.
5363         (*clrmemhi): Likewise.
5364
5365 2004-09-02  Paul Brook  <paul@codesourcery.com>
5366
5367         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
5368         default_use_cxa_atexit=yes.
5369
5370 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
5371
5372         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
5373         (struct kernel_old_ucontext): Delete.
5374         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
5375         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
5376         when IN_LIGGCC2.
5377
5378 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
5379
5380         * toplev.c (process_options): Fix typo.
5381
5382 2004-09-01  Richard Henderson  <rth@redhat.com>
5383
5384         PR middle-end/17258
5385         * calls.c (initialize_argument_information): Tighten pass-through
5386         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
5387         Use build_fold_addr_expr.
5388         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
5389         that assumes ADDR_EXPR allocates stack space.
5390         * fold-const.c (build_fold_addr_expr_with_type): Look through
5391         WITH_SIZE_EXPR.
5392
5393 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
5394
5395         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
5396         * ggc.h (ggc_alloc_rtx): Delete.
5397
5398 2004-09-01  Roger Sayle  <roger@eyesopen.com>
5399
5400         * expmed.c (enum alg_code): Remove long unused enumeration values.
5401         (struct mult_cost): New structure to hold the "score" of a synthetic
5402         multiply sequence, including both a rtx_cost and a latency field.
5403         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
5404         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
5405         (struct algorithm): Change type of cost field to be mult_cost.
5406         (synth_mult): Change type of cost_limit argument to be a
5407         pointer to a mult_cost.  Update all cost comparisons to use the
5408         new mult_cost infrastructure.  For alg_add_factor and
5409         alg_sub_factor operations, latency is lower than the rtx_cost.
5410         (choose_mult_variant):  Update calls to synth_mult.  Perform
5411         cost comparisons using the new mult_cost infrastructure.
5412         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
5413         to optain the total rtx_cost of a synth_mult "algorithm".
5414
5415 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
5416
5417         * config/rs6000/power4.md: Increase store latency to 12.
5418         * config/rs6000/power5.md: Same.
5419
5420 2004-09-01  James E Wilson  <wilson@specifixinc.com>
5421
5422         PR target/14064
5423         * config/avr/avr.c (avr_unique_section): Delete prototype and
5424         definition.
5425         (TARGET_ASM_UNIQUE_SECTION): Delete.
5426
5427 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
5428
5429         * c-parse.in (primary): Call objc_build_message_expr(),
5430         objc_build_selector_expr(), objc_build_protocol_expr(),
5431         objc_build_encode_expr() and objc_build_string_object() instead of
5432         build_message_expr(), build_selector_expr(), build_protocol_expr(),
5433         build_encode_expr() and build_objc_string_object(), respectively.
5434         (component_decl_list2): Call objc_get_class_ivars() instead of
5435         get_class_ivars_from_name().
5436         (keyworddecl): Call objc_build_keyword_decl() instead of
5437         build_keyword_decl().
5438         (receiver): Call objc_get_class_reference() instead of
5439         get_class_reference().
5440         (reswords): Add blank line before @@ifobjc section, for clarity.
5441
5442 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
5443
5444         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
5445         to Altivec vetors.
5446
5447 2004-09-01  Wu Yongwei  <adah@sh163.net>
5448             Danny Smith  <dannysmith@users.sourceforge.net>
5449
5450         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
5451         not Windows 'DWORD'.
5452         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
5453         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
5454         (__gthr_win32_recursive_mutex_init_function): Add prototype for
5455         __GTHREAD_HIDE_WIN32API case..
5456         (__gthr_win32_recursive_mutex_lock): Likewise.
5457         (__gthr_win32_recursive_mutex_trylock): Likewise.
5458         (__gthr_win32_recursive_mutex_unlock): Likewise.
5459         (__gthread_recursive_mutex_init_function); Add definition for
5460         __GTHREAD_HIDE_WIN32API case.
5461         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
5462         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
5463         call to InterlockedDecrement.
5464
5465 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5466
5467         * tree-tailcall.c (find_tail_calls): Also fail is statement has
5468         volatile operands.
5469
5470         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
5471
5472         * doc/c-tree.texi: Document new operands for ARRAY_REF and
5473         COMPONENT_REF.
5474
5475 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5476
5477         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
5478         * common.opt (fspeculative-prefetching): New.
5479         * flags.h (flag_speculative_prefetching_set): Declare.
5480         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
5481         values.
5482         * opts.c (flag_sepculative_prefetching_set): New variable.
5483         (common_handle_option): Handle -fspeculative-prefetching.
5484         * passes.c (rest_of_compilation): Ditto.
5485         * profile.c (instrument_values, compute_value_histograms, branch_prob):
5486         Use vectors instead of arrays.
5487         * toplev.c (process_options): Handle -fspeculative-prefetching.
5488         * rtl-profile.c: Include ggc.h.
5489         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
5490         rtl_gen_one_value_profiler_no_edge_manipulation,
5491         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
5492         argument changed.
5493         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
5494         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
5495         argument changed.
5496         * value-prof.c: Include ggc.h.
5497         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
5498         macros.
5499         (insn_prefetch_values_to_profile, find_mem_reference_1,
5500         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
5501         speculative_prefetching_transform): New.
5502         (value_profile_transformations): Call speculative_prefetching_transform.
5503         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
5504         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
5505         tree_find_values_to_profile, find_values to profile): Use vectors
5506         instead of arrays.
5507         (free_profiled_values): Removed.
5508         * value-prof.h (struct histogram_value): Renamed to
5509         struct histogram_value_t.
5510         (histogram_value, histogram_values): New types.
5511         (find_values_to_profile): Declaration changed.
5512         (free_profiled_values): Removed.
5513         (struct profile_hooks): Type of argument of the hooks changed to
5514         histogram_value.
5515         * doc/invoke.texi (-fspeculative-prefetching): Document.
5516
5517 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5518
5519         PR rtl-optimization/16408
5520         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
5521
5522 2004-09-01  Richard Henderson  <rth@redhat.com>
5523
5524         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
5525         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
5526
5527 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
5528
5529         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
5530
5531 2004-09-01  Mike Stump  <mrs@apple.com>
5532
5533         * config/darwin.c (machopic_symbol_defined_p): In addition to
5534         being SYMBOL_REF_LOCAL_P, a symbol must also be
5535         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
5536         defined in this output file, or translation unit in the case
5537         of IMA not being used.
5538         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
5539         never need .indirect_symbol when indirecting.
5540
5541 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
5542
5543         * Makefile.in (bb-reorder.o): Add several dependencies.
5544
5545 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
5546
5547         * fold-const.c (operand_equal_p): Require equal sign also for
5548         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
5549
5550 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
5551
5552         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
5553         for use in configargs.h.  Put the cname in a separate variable.  Use
5554         that to set target_cpu_default2.
5555
5556 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
5557             Nick Clifton  <nickc@redhat.com>
5558
5559         * config/sh/sh.md ("length"): Increase branch length when
5560         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
5561         constant, 2 byte for aligning the constant.
5562
5563 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
5564
5565         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
5566         CPU.
5567         (arm7tdmi-s): New CPU name.
5568         * arm/arm.c (ARM_CORE): Update for new format.
5569         * arm/arm.h (ARM_CORE): Likewise.
5570         * arm/gentune.sh: Update for extra field.
5571         * config.gcc: Likewise.
5572         * arm/arm-tune.md: Regenerate.
5573         * doc/invoke.texi: Document the real processor names for ARM cpus.
5574
5575 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
5576
5577         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
5578         (floatdidf): New functions.
5579         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
5580         (floatdisf): New functions.
5581         * t-arm-elf: Use them.
5582
5583 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
5584
5585         * c-common.h (lookup_interface): Remove prototype.
5586         (is_class_name): Rename to objc_is_class_name.
5587         (lookup_objc_ivar): Rename to objc_lookup_ivar.
5588         (get_current_scope): Rename to objc_get_current_scope.
5589         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
5590         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
5591         (yylexname): Call objc_is_class_name() instead of is_class_name().
5592         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
5593         instead of lookup_objc_ivar().
5594         * stub-objc.c (lookup_interface): Remove stub.
5595         (is_class_name): Rename to objc_is_class_name.
5596         (lookup_objc_ivar): Rename to objc_lookup_ivar.
5597
5598 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
5599
5600         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
5601         * config/arm/lib1funcs.asm: Do not include supplemental .S files
5602         when compiling for Symbian.
5603         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
5604         (TARGET_OS_CPP_BUILTINS): Likewise.
5605         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
5606
5607 2004-08-31  Stan Shebs  <shebs@apple.com>
5608
5609         * toplev.c (process_options): Ensure debug_hooks is initialized.
5610
5611 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
5612
5613         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
5614         * target.h (cxx): Add export_class_data.
5615         * config/arm/arm.c (arm_cxx_export_class_data): New function.
5616         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
5617         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
5618
5619 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
5620
5621         * config/sh/sh.c (output_branch): Check the insn length possibly
5622         in the delayed slot.
5623
5624 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5625
5626         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
5627         blank after ')'.
5628         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
5629
5630         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
5631         (c_sizeof_of_alignof_type): Likewise.
5632         * expr.c (array_ref_element_size): Likewise.
5633         (highest_pow2_factor_for_target): Likewise.
5634         * gimplify.c (canonicalize_addr_expr): Likewise.
5635         (gimplify_compound_lval): Likewise.
5636         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
5637         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
5638         * varasm.c (assemble_variable): Likewise.
5639         (output_constant_def_contents): Alignments are unsigned.
5640
5641 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5642             Jeff Law  <law@redhat.com>
5643
5644         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
5645         gets modified.
5646
5647 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
5648
5649         * hooks.c (hook_bool_void_true): New function.
5650         * hooks.h (hook_bool_void_true): Declare.
5651         * target-def.h (TARGET_CXX): Add
5652         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
5653         * target.h (struct cxx): Add key_method_may_be_inline.
5654         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
5655         function.
5656         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
5657         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
5658         __THUMB_INTERWORK.
5659
5660 2004-08-31  Denis Chertykov  <denisc@overta.ru>
5661
5662         PR target/15417
5663         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
5664         frame pointer register only in Pmode while reload in progress.
5665
5666 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
5667
5668         PR target/15334
5669         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
5670         because it breaks the 32-bit shift patterns that rely on a match_dup.
5671
5672 2004-08-31  Matt Austern  <austern@apple.com>
5673
5674         * config/darwin.c (darwin_make_decl_one_only): Allocate section
5675         names once per compilation, instead of once per symbol.
5676
5677 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
5678
5679         * Makefile.in (build_subdir): New substitution.
5680         (fixinc.sh): Simplify heavily since fixincludes is already built.
5681         (stmp-fixinc): Depend on specs.ready.
5682         (install-mkheaders): Use new location of fixincludes.
5683         (clean): Do not descend into fixinc.
5684         (FORBUILD): Replace with ../$(build_subdir).
5685         * configure.ac (build_subdir): Substitute.
5686         (FORBUILD): Do not set.
5687         (all_outputs): Remove fixinc/Makefile.
5688         (default commands): Do not create links in fixinc.
5689         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
5690         the fixincludes configuration steps and substituting
5691         @FIXINCL@ in fixinc.in.
5692         * fixinc.in: New, from fixinc/fixincl.sh.
5693
5694         * fixinc/*: Removed.
5695
5696 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
5697
5698         * attribs.c (strip_attrs): Remove.
5699         (split_specs_attrs): Move ...
5700         * c-decl.c: ... to here.
5701         * tree.h (split_specs_attrs, strip_attrs): Remove.
5702         * c-tree.h (split_specs_attrs): Declare.
5703
5704 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
5705
5706         * read-rtl.c: Disable RTL checking.
5707         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
5708
5709 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
5710
5711         * config/mips/mips.md (fcond): New code macro and attribute.
5712         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
5713         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
5714         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
5715
5716 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
5717
5718         Revert:
5719         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
5720         PR rtl-optimization/16590
5721         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
5722
5723 2004-08-30  Andrew Pinski  <apinski@apple.com>
5724
5725         * hard-reg-set.h:
5726         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
5727         * ChangeLog: Fix previous ChangeLog entry.
5728
5729         PR rtl-opt/13987
5730         * config.host (use_long_long_for_widest_fast_int): New, default is
5731         off.
5732         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
5733         * configure.ac: If use_long_long_for_widest_fast_int, then
5734         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
5735         * configure: Regenerate.
5736         * config.in: Regenerate.
5737         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
5738         New: widest integer type supported efficiently in hardware for the
5739         host.
5740         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
5741         HOST_BITS_PER_WIDEST_FAST_INT.
5742         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
5743         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
5744         HOST_WIDEST_FAST_INT
5745         instead of HOST_WIDE_INT.
5746         (HARD_REG_SET_LONGS): Likewise.
5747         (UHOST_BITS_PER_WIDE_INT): Likewise.
5748         Change the checks for the fast cases to be based on
5749         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
5750
5751 2004-08-30  Steven Bosscher  <stevenb@suse.de>
5752
5753         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
5754         not the pointers.
5755
5756 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
5757
5758         PR 12738
5759         PR 17205
5760         Radar 3460526
5761         Radar 3775729
5762         * c-decl.c (grokdeclarator): Produce error for 'static' on local
5763         function declaration.
5764
5765 2004-08-30  Richard Henderson  <rth@redhat.com>
5766
5767         * expr.c (array_ref_element_size): Force aligned_size back to
5768         sizetype.
5769         (component_ref_field_offset): Similarly for aligned_offset.
5770         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
5771         low-bound, element-size, field-offset fields rather than
5772         computed values.
5773
5774 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
5775
5776         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
5777         redundant code.
5778
5779 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
5780
5781         * c-tree.h (struct language_function): Add arg_info element.
5782         * c-decl.c (current_function_arg_info): New.
5783         (grokdeclarator, store_parm_decls): Use it instead of
5784         DECL_ARGUMENTS.
5785         (c_push_function_context, c_pop_function_context): Save and
5786         restore it.
5787
5788 2004-08-30  Richard Henderson  <rth@redhat.com>
5789
5790         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
5791         COMPONENT_REF to pointer arithmetic.
5792         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
5793         constant "c" as a valid constant initializer.  Allow narrowing of
5794         differences against the same base object, for any base object.
5795
5796 2004-08-30  Richard Henderson  <rth@redhat.com>
5797
5798         * expr.c (expand_expr_addr_expr): New.
5799         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
5800
5801 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
5802
5803         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
5804         (mips_fp_condition): New enum.
5805         (mips_fp_conditions): New array.
5806         (print_fcc_operand): Delete.
5807         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
5808         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
5809         (builtin_description): Add "cond" field.
5810         (DIRECT_BUILTIN): Initialize it.
5811         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
5812         into INSN and CODE.  Initialize the "cond" field.
5813         (CMP_BUILTINS): Update accordingly.
5814         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
5815         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
5816         mips_fp_condition as argument.  Make it the final operand of the
5817         comparison instruction.
5818         (mips_expand_builtin): Update accordingly.
5819         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
5820         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
5821         the gaps.
5822         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
5823         Don't use the 'Q' operand prefix; just print the operand normally.
5824         (mips_cabs_*, mips_c_*): Delete, replacing with...
5825         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
5826         patterns.  Split the 4s versions into 2 ps patterns after reload.
5827
5828 2004-08-30  Richard Henderson  <rth@redhat.com>
5829
5830         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
5831         assuming an ADDR_EXPR is non-null.
5832
5833 2004-08-30  Jason Merrill  <jason@redhat.com>
5834
5835         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
5836
5837 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
5838
5839         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
5840         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
5841         gcc_assert and gcc_unreachable instead of abort.
5842         * alloc-pool.c (abort, fancy_abort): Remove.
5843         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
5844         gcc_assert or gcc_unreachable.
5845         * attribs.c (init_attributes, decl_attributes): Likewise.
5846         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
5847         mark_bb_for_unlikely_executed_section,
5848         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
5849         fix_crossing_unconditional_branches):  Likewise.
5850         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
5851         bitmap_operation):  Likewise.
5852         * bt-load.c (insn_sets_btr_p, augment_live_range,
5853         move_btr_def):  Likewise.
5854         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
5855         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
5856         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
5857         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
5858         expand_builtin_memcmp, expand_builtin_args_info,
5859         std_gimplify_va_arg_expr, expand_builtin_unop,
5860         expand_builtin_fputs, expand_builtin_profile_func,
5861         expand_builtin_fork_or_exec, fold_builtin_bitop,
5862         fold_builtin_classify, fold_builtin_fputs): Likewise.
5863
5864 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
5865
5866         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
5867         * gcov.c (abort): Remove undef.
5868
5869         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
5870         (struct tree_binfo): Remove primary field.
5871
5872 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
5873
5874         * fixinc/Makefile.in (machname.h): Remove.
5875         (fixincl.x): Do not pass $@ to genfixes.
5876         * fixinc/genfixes: Remove code to produce machname.h.
5877         * fixinc/fixincl.sh: Move it here instead.
5878         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
5879         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
5880         return a bool indicating whether pz_mn_name_pat is NULL.
5881         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
5882         Declare extern C variables for the ENV_TABLE.
5883         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
5884         instead use the result of mn_get_regexps.
5885         * fixinc/fixtests.c: Likewise.
5886
5887 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
5888
5889         * configure.ac: Do not run fixincludes after stage1 during
5890         toplevel bootstrap.
5891         * configure: Regenerate.
5892
5893 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
5894
5895         * sched-deps.c (get_condition): Partially revert previous, by never
5896         trying to extract the condition from a condjump.
5897
5898 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
5899
5900         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
5901         (handle_visibility_attribute, c_determine_visibility): Likewise.
5902         * c-common.h (my_friendly_assert): Remove.
5903
5904 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
5905
5906         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
5907         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
5908         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
5909         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
5910         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
5911
5912 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
5913
5914         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
5915         in COMPONENT_REF nodes.
5916
5917 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
5918
5919         PR c++/15378
5920         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
5921         global_dc->warning_as_error_requested.
5922         * diagnostic.c (diagnostic_initialize): Tidy.
5923         * diagnostic.h (diagnostic_context::x_data): Remove
5924         (diagnostic_context::issue_warnings_are_errors_message): Rename
5925         from warnings_are_errors_message.
5926         (diagnostic_context::warning_as_error_requested): New.
5927
5928 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
5929
5930         * sched-deps.c (get_condition): Fix breakage in previous patch.
5931
5932 2004-08-30  Paul Brook  <paul@codesourcery.com>
5933
5934         * doc/install.texi: Fix broken mpfr link.
5935
5936 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
5937
5938         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
5939         other FreeBSD platforms.
5940
5941 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
5942
5943         * arm.h (REVERSE_CONDITION): Define.
5944         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
5945
5946 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
5947
5948         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
5949         just the codes, call reversed_comparison_code ().
5950         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
5951         (not_reg_cond): Use reversed_comparison_code.
5952         (and_reg_cond): Likewise.
5953         * ifcvt.c (cond_exec_process_if_block): Likewise.
5954         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
5955
5956 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
5957
5958         * sched-deps.c (get_condition): Rewrite using jump support functions.
5959         Use reversed_comparison_code.
5960         (conditions_mutex_p): Use reversed_comparison_code.
5961
5962 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
5963
5964         * config/mips/mips.c (override_options): Disable hot/cold partitioning
5965         for MIPS16.
5966
5967 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
5968
5969         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
5970         (mips_function_type): Move to mips.c.
5971         * config/mips/mips.c (mips_builtin_type): New enum.
5972         (builtin_description): Replace code and ftype with builtin_type
5973         and function_type.
5974         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
5975         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
5976         (CODE_FOR_mips_abs_ps): Define.
5977         (mips_bdesc): Use new macros.
5978         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
5979         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
5980         (mips_expand_builtin_direct): New function.
5981         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
5982         builtin.  Replace boolean parameter with builtin_type.
5983         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
5984         (mips_expand_4s_compare_builtin): Delete, replacing with...
5985         (mips_expand_builtin_compare): ...this new function.
5986
5987 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
5988
5989         PR rtl-optimization/16590
5990         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
5991
5992 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
5993
5994         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
5995         * tree-ssa-propagate.c: Fix documentation.
5996
5997 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
5998
5999         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
6000         (mov[sd]fcc): Likewise.
6001
6002 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6003
6004         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
6005
6006 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6007
6008         * config/mips/mips.md (divide_condition): New mode attribute.
6009         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
6010         (sqrt[sd]f3): Redefine using SCALARF.
6011         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
6012         patterns.
6013
6014 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6015
6016         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
6017         (loadx, storex, fmt, UNITMODE): New mode attributes.
6018         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
6019         (mul[sd]f3): Redefine using :SCALARF.
6020         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
6021         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
6022         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
6023         Check TARGET_FUSED_MADD for V2SF too.
6024         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
6025         were already named.
6026         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
6027         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
6028
6029 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6030
6031         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
6032         V2SF_type_node if it will be needed.
6033
6034 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6035
6036         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
6037         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
6038         (mips_prepare_builtin_target): New function.
6039         (mips_expand_builtin): Use them.  Update calls to subroutines.
6040         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
6041         cmp_choice with a boolean argument to select between movt and movf.
6042         Take the comparison's icode as an argument, not the function's fcode.
6043         (mips_expand_compare_builtin): New function.  Rename existing function
6044         to mips_expand_scalar_compare_builtin.
6045         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
6046         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
6047         comparison's icode as an argument, not the builtin's fcode.
6048
6049 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6050
6051         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
6052         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
6053         registers are false and -1 if all registers are true.
6054         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
6055         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
6056         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
6057         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
6058         (bc1any2t, bc1any2f): Likewise CCV2.
6059         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
6060
6061 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
6062
6063         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
6064         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
6065         UNSPEC rather than an IF_THEN_ELSE.
6066         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
6067         mips_cond_move_tf_ps by name.
6068
6069 2004-08-29  Chao-ying Fu  <fu@mips.com>
6070             James E Wilson  <wilson@specifixinc.com>
6071
6072         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
6073         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
6074         * config/mips/mips-ps-3d.md: New file.
6075         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
6076         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
6077         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
6078         (mips_output_move): Emit "mov.ps" for V2SFmode.
6079         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
6080         MODE_VECTOR_FLOAT.
6081         (override_options): Check if TARGET_MIPS3D and there was an explicit
6082         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
6083         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
6084         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
6085         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
6086         and allow CCV2 and CCV4 to occupy two and four CC registers.
6087         (print_fcc_operand): New function.
6088         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
6089         %Z to call print_fcc_operand.
6090         (mips_function_value): Handle MODE_VECTOR_FLOAT.
6091         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
6092         (mips_vector_mode_supported_p): New function.
6093         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
6094         (builtin_description): New struct.
6095         (mips_bdesc): New array of struct builtin_description.
6096         (mips_expand_builtin, mips_init_builtins,
6097         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
6098         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
6099         functions.
6100         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
6101         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
6102         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
6103         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
6104         "-mips3d", and "-mno-mips3d".
6105         (ASM_SPEC): Map -mips3d to -mips3d in gas.
6106         (EXTRA_CONSTRAINT_Y): New macro.
6107         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
6108         multi-letter constraint 'Y'.
6109         (CONSTRAINT_LEN): New macro.
6110         (enum mips_builtins): New for MIPS builtin functions.
6111         (enum mips_function_type): New for the types of MIPS builtin functions.
6112         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
6113         * config/mips/mips.md: New constants for paired single and MIPS-3D
6114         instructions.  Include the new mips-ps-3d.md file.
6115         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
6116         movv2sf_hardfloat_64bit): New named patterns.
6117         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
6118         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
6119         sdxc1_v2sf_di): New unnamed patterns.
6120         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
6121         const_vector support.
6122         (const_0_or_1_operand): New predicate.
6123         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
6124
6125 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
6126
6127         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
6128         (tree-ssa-propagate.o): New rule.
6129         (GTFILES): Add tree-ssa-propagate.c.
6130         * tree-flow.h (struct stmt_ann_d): Remove field
6131         in_ccp_worklist.
6132         * tree-ssa-propagate.c: New file.
6133         * tree-ssa-propagate.h: New file.
6134         * tree-ssa-ccp.c: Re-write to use the routines from
6135         tree-ssa-propagate.c.
6136
6137 2004-08-28  Andrew Pinski  <apinski@apple.com>
6138
6139         * tree-ssa-loop.c: Remove extra include of basic-block.h.
6140
6141 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
6142
6143         * c-common.h: Update comments about ObjC/ObjC++ entry points.
6144         (objc_is_reserved_word): New prototype.
6145         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
6146         separate section; these are call-backs.
6147         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
6148         ObjC/ObjC++ "@" keywords.
6149         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
6150         prototypes; they already live in c-common.h.
6151         * stub-objc.c: Update copyright notice.
6152         (objc_is_reserved_word): New stub.
6153
6154 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
6155
6156         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
6157         even when not checking.
6158
6159 2004-08-27  Jason Merrill  <jason@redhat.com>
6160
6161         PR c++/13684
6162         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
6163         (gimple_push_cleanup): Add eh_only parm.
6164         (gimplify_target_expr): Pass it.
6165         * c.opt (-fno-threadsafe-statics): New option.
6166         * c-opts.c (c_common_handle_option): Handle it.
6167         * c-common.h (flag_threadsafe_statics): Declare it.
6168         * c-common.c (flag_threadsafe_statics): Record it.
6169         * doc/invoke.texi: Document it.
6170         * tsystem.h (_GNU_SOURCE): Define.
6171         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
6172         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
6173         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
6174         (__gthread_recursive_mutex_init_function): New fn.
6175         (__gthread_recursive_mutex_lock): New fn.
6176         (__gthread_recursive_mutex_trylock): New fn.
6177         (__gthread_recursive_mutex_unlock): New fn.
6178         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
6179         * gthr-win32.h, gthr-vxworks.h: Likewise.
6180         * gthr.h: Document.
6181
6182 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
6183
6184         * config/rs6000/rs6000.c (rs6000_override_options): Increase
6185         maximum skip to 15.  Set function alignment, jump alignment, and
6186         loop alignment to 16 for processors that form dispatch groups.
6187         (rs6000_rtx_costs): outer_code is used.
6188
6189 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
6190
6191         * stor-layout.c (sizetype_set): Remove.
6192         (set_sizetype): Don't test or set it.
6193
6194         * tree.h (size_int_type): Remove.
6195         * fold-const.c: Do not #include gt-fold-const.h.
6196         (size_htab_hash, size_htab_eq): Remove.
6197         (size_int_kind): Use build_int_cst.
6198         (new_const, size_htab): Remove.
6199         (size_int_type): Remove.
6200         (round_up): Use build_int_cst.
6201         (round_down): Likewise. Remove spurious constant build.
6202
6203 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
6204
6205         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
6206         Add is_release variable, use it for --enable-werror and
6207         --enable-checking defaults.
6208         * system.h (gcc_assert, gcc_unreachable): New.
6209         * doc/install.texi (--enable-checking): Update.
6210         * configure, config.in: Rebuilt.
6211
6212 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
6213
6214         * rtl.h (read_rtx): Change prototype.
6215         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
6216         line number.  Return true on success.
6217         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
6218         callers accordingly.
6219
6220 2004-08-26  Richard Henderson  <rth@redhat.com>
6221
6222         * c-typeck.c (build_offsetof): Remove.
6223         * c-tree.h (build_offsetof): Remove.
6224         * c-common.c (fold_offsetof_1, fold_offsetof): New.
6225         * c-common.h (fold_offsetof): Declare.
6226         * c-parse.in (offsetof_base): New.
6227         (offsetof_member_designator): Use it.  Build references, not just
6228         a tree list.
6229         (primary): Use fold_offsetof, not build_offsetof.
6230
6231 2004-08-26  Richard Henderson  <rth@redhat.com>
6232
6233         * tree.c (staticp): Return the static object.
6234         * tree.h (staticp): Update decl.
6235         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
6236         * langhooks.c (lhd_staticp): Return NULL_TREE.
6237         * langhooks-def.h (lhd_staticp): Update decl.
6238         * c-common.c (c_staticp): Return the static object.
6239         * c-common.h (c_staticp): Update decl.
6240
6241 2004-08-26  Richard Henderson  <rth@redhat.com>
6242
6243         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
6244         modes.
6245
6246 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
6247
6248         PR c/13801
6249         * c-decl.c (struct c_binding): Add type and inner_comp fields.
6250         (bind): Set type and inner_comp fields.
6251         (pop_scope): Restore type of decl to the correct type from an
6252         outer scope.  Give error when popping file scope for incomplete
6253         arrays completed incompatibly with default initialization in an
6254         inner scope.
6255         (diagnose_mismatched_decls): Handle externs with initializers at
6256         block scope.
6257         (pushdecl): Set type of external declaration at block scope based
6258         only on the visible declarations.  Save type when changing the
6259         type of a declaration.  Merge an external declaration at block
6260         scope with a visible static declaration at file scope.
6261         (implicitly_declare): Give recycled old declaration the new type
6262         except for incompatible declarations of built-in functions, saving
6263         the old type.
6264
6265 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
6266
6267         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
6268
6269 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
6270
6271         * tree-alias-common.c (gate_pta): New function.
6272         (pass_build_pta): Use it.
6273         (pass_del_pta): Use it.
6274         (delete_alias_vars): Don't check flag_tree_points_to.
6275
6276 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
6277
6278         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
6279         TFmode as additional register mode cloberred by call.
6280
6281 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
6282
6283         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
6284         parallel pattern for library call returning DImode in
6285         mixed mode.
6286
6287 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
6288
6289         * config/rs6000/rs6000.c (function_arg): Generate parallel
6290         pattern for more split args.
6291
6292 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
6293
6294         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
6295         either gen_movdi_di_update or gen_movdi_si_update depending on
6296         target mode.
6297         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
6298         to generate two versions.
6299
6300 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
6301
6302         * Makefile.in (lambda-code.o): New.
6303         (lambda-trans.o): Ditto.
6304         (TREE_DATA_REF_H): Ditto.
6305         (LAMBDA_H): Ditto.
6306         (lambda-mat.o): Use LAMBDA_H.
6307         (tree-data-ref.o): Ditto.
6308         * lambda-code.c: New file.  Lambda code generation algorithm.
6309         * lambda-trans.c: Ditto. Lambda transformation matrix support.
6310         * lambda.h: Add lambda loop structures.
6311         Add lambda loopnest structures.
6312         Add lambda body vector structure.
6313         Add lambda linear expression structures.
6314         Add prototypes for functions in new files.
6315         * lambda-mat.c: Include tree.h
6316
6317 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
6318             Sebastian Pop  <pop@cri.ensmp.fr>
6319
6320         * tree-data-ref.h: Include lambda.h
6321         (free_dependence_relation): Declared here.
6322         (free_dependence_relations): Ditto.
6323         (free_data_refs): Ditto.
6324         * tree-data-ref.c (free_dependence_relation): New function.
6325         (free_dependence_relations): Ditto.
6326         (free_data_refs): Ditot.
6327         (analyze_all_data_dependences): Free datarefs and dependence_relations.
6328         (build_classic_dist_vector): Store in the dependence_relations the
6329         information. Each arc in the dependence_relations graph is labelled
6330         with the distance and direction vectors.
6331         (build_classic_dir_vector): Ditto.
6332         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
6333         Now computes again the whole dependence graph including read-read
6334         relations.
6335         (compute_data_dependences_for_loop): Now dependence_relations contains
6336         all the data, and thus it doesn't need to initialize the classic_dir
6337         and classic_dist vectors.
6338         (analyze_all_data_dependences): Adjusted for using the new interface of
6339         compute_data_dependences_for_loop.  Remove the statistics dump.
6340
6341 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
6342
6343         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
6344         (xtensa_expand_block_move): Update comment.
6345         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
6346
6347 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
6348
6349         PR target/13506
6350         * toplev.c (crash_signal): If we crashed while emitting
6351         a user asm, then die more gracefully.
6352
6353 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6354
6355         PR target/17119.
6356         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
6357         checking for a valid constant, regardless of sign.
6358
6359 2004-08-25  Richard Henderson  <rth@redhat.com>
6360
6361         PR target/16974
6362         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
6363         if the constant satisfies add_operand.
6364
6365 2004-08-25  Richard Henderson  <rth@redhat.com>
6366
6367         PR debug/10695
6368         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
6369         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
6370         unwind info for >16-bit frames.
6371
6372 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
6373
6374         PR target/17171
6375         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
6376
6377 2004-08-25  Richard Henderson  <rth@redhat.com>
6378
6379         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
6380         (TARGET_CANNOT_FORCE_CONST_MEM): New.
6381
6382 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
6383
6384         * doc/tree-ssa.texi: Document new operand iterator.
6385
6386 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
6387
6388         PR target/16480
6389         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
6390         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
6391         as PLUS base regs.
6392
6393 2005-08-28  Paul Brook  <paul@codesourcery.com>
6394
6395         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
6396         -mfpu=vfp -march=armv5t
6397         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
6398
6399 2004-08-25  Richard Henderson  <rth@redhat.com>
6400
6401         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
6402         * target.h (struct gcc_target): Add scalar_mode_supported_p.
6403         * targhooks.c (default_scalar_mode_supported_p): New.
6404         * targhooks.h (default_scalar_mode_supported_p): Declare.
6405         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
6406
6407         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
6408         before attempting to create types.  Tidy.
6409         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
6410
6411         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
6412         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
6413
6414 2004-08-25  Richard Henderson  <rth@redhat.com>
6415
6416         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
6417         set REAL_MODE_FORMAT for TFmode.
6418
6419 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
6420
6421         * c-decl.c (grokparm): New function.
6422         * c-tree.h (grokparm): New prototype.
6423
6424 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
6425
6426         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
6427         iterator controlling structure.
6428         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
6429         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
6430         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
6431         iterator flags.
6432         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
6433         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
6434         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
6435         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
6436         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
6437         Empty operand pointers.
6438         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
6439         (op_iter_next_use): New.  Return next use_operand_p.
6440         (op_iter_next_def): New.  Return next def_operand_p.
6441         (op_iter_next_tree): New.  Return next operands as a tree.
6442         (op_iter_init): New.  Initialize an iterator structure.
6443         (op_iter_init_use): New.  Initialize structure and get the first use.
6444         (op_iter_init_def): New.  Initialize structure and get the first def.
6445         (op_iter_init_tree): New.  Initialize structure and get the first tree.
6446         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
6447         (op_iter_init_maydef): New.  Initialize structure and get the first
6448         V_MAY_DEF operands.
6449         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
6450         * tree-dfa.c (compute_immediate_uses_for_stmt,
6451         redirect_immediate_uses): Use new operand iterator.
6452         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
6453         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
6454         operands instead of using *_disappeared_p routines.
6455         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
6456         ssa_rewrite_stmt): Use new operand iterator.
6457         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
6458         rewrite_trees): Use new operand iterator.
6459         * tree-pretty-print.c (dump_vops): Use new operand iterator.
6460         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
6461         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
6462         dump_points_to_info): Use new operand iterator.
6463         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
6464         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
6465         operand iterator.
6466         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
6467         propagate_necessity): Use new operand iterator.
6468         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
6469         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
6470         a parameter instead of a stmt_ann_t.
6471         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
6472         build_tree_conflict_graph): Use new operand iterator.
6473         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
6474         rewrite_mem_refs): Use new operand iterator.
6475         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
6476         check_loop_closed_ssa_use): Use new operand iterator.
6477         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
6478         * tree-ssanames.c (release_defs): Use new operand iterator.
6479         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
6480
6481 2004-08-25  Adam Nemet  <anemet@lnxw.com>
6482
6483         * tlink.c (initial_cwd): New variable.
6484         (tlink_init): Initialize it.
6485         (recompile_files): Use tlink_execute() instead of system().  Don't
6486         duplicate verbose output of collect_execute.  Restore initial_cwd.
6487         Update comment before the function.
6488
6489 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
6490
6491         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
6492         accept) a cast from one Objective-C pointer type to another.
6493
6494 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
6495
6496         * doc/install.texi: Document that libstdc++-v3 requires
6497         now automake 1.9.1.
6498
6499 2004-08-25  Caroline Tice  <ctice@apple.com>
6500
6501         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
6502         to comments at start of function.
6503         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
6504         comment.
6505         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6506         merge_blocks_move_predecessor_nojumps,
6507         merge_blocks_move_successor_nojumps, merge_blocks_move,
6508         try_crossjump_to_edge, try_crossjump_bb): Likewise.
6509         * cfglayout.c (fixup_reorder_chain): Likewise.
6510         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
6511         cfg_layout_can_merge_blocks_p):  Likewise.
6512         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
6513         * passes.c (rest_of_compilation): Update comments for calling
6514         optimization that partitions hot/cold basic blocks.
6515         * doc/invoke.texi:  Update documentation of
6516         freorder-blocks-and-partition flag.
6517
6518 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
6519
6520         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
6521         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
6522
6523 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
6524
6525         * config/mips/mips.md (any_shift): New code macro.
6526         (optab, insn): New code attributes.
6527         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
6528         Use the standard rather than internal patterns for the MIPS16
6529         double-shift optimization.
6530         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
6531         Redefine using :GPR and any_shift.
6532         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
6533         to cover all three shifts.
6534         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
6535         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
6536         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
6537
6538 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
6539
6540         * gimplify.c (lookup_tmp_var): Separate temporaries when not
6541         optimizing.
6542
6543 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6544
6545         PR libstdc++/17005 (fix for HP-UX 11.11)
6546         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
6547         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
6548         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
6549         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
6550         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
6551         (LINK_SPEC): Handle march=1.0 option.
6552         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
6553         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
6554         (SUBTARGET_OPTIONS): New define.
6555         (LINK_SPEC): Handle march=1.0 option.
6556         (STARTFILE_SPEC): New define.
6557         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
6558         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
6559         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
6560         (SUBTARGET_OPTIONS): New define.
6561         (LINK_SPEC): Handle march=1.0 option.
6562         (STARTFILE_SPEC): New define.
6563         * config/pa/pa.c (override_options): Add code to process -munix= option.
6564         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
6565         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
6566         defines.
6567         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
6568         (SUBTARGET_OPTIONS): Provide default define.
6569         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
6570         STANDARD_STARTFILE_PREFIX_2): New defines.
6571         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
6572         (ENDFILE_SPEC): Use %O.
6573         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
6574         Mention issue caused by changing namespace and runtime to UNIX 95/98.
6575         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
6576         Document -munix=std option.
6577
6578 2004-08-25  Steven Bosscher  <stevenb@suse.de>
6579
6580         * cse.c (cse_around_loop, cse_check_loop_start,
6581         cse_set_around_loop): Remove.
6582         (cse_basic_block): Remove the around_loop argument.
6583         (cse_end_of_basic_block): Remove the after_loop argument.
6584         (cse_main): Likewise.
6585         * rtl.h (cse_main): Update prototype.
6586         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
6587         rest_of_handle_gcse): Update cse_main calls.
6588
6589 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
6590
6591         * tree.h  (build_int_cst): New, sign extended constant.
6592         (build_int_cstu): New, zero extended constant.
6593         (build_int_cst_wide): Renamed from build_int_cst.
6594         * tree.c (build_int_cst, build_int_cstu): New.
6595         (build_int_cst_wide): Renamed from build_int_cst.
6596         (make_vector_type, build_common_tree_nodes,
6597         build_common_tree_nodes_2): Adjust build_int_cst calls.
6598         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
6599         expand_builtin_strpbrk, expand_builtin_fputs,
6600         build_string_literal, expand_builtin_printf,
6601         expand_builtin_sprintf, fold_builtin_classify_type,
6602         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
6603         fold_builtin_toascii, fold_builtin_isdigit,
6604         simplify_builtin_strstr, simplify_builtin_strpbrk,
6605         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
6606         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
6607         DEF_ATTR_INT): Likewise.
6608         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
6609         Likewise.
6610         * c-lex.c (interpret_integer, lex_charconst): Likewise.
6611         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
6612         * c-pretty-print.c (pp_c_integer_constant): Likewise.
6613         * c-typeck.c (really_start_incremental_init, push_init_level,
6614         set_nonincremental_init_from_string): Likewise.
6615         * calls.c (load_register_parameters): Likewise.
6616         convert.c (convert_to_pointer): Likewise.
6617         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
6618         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
6619         build_gcov_info): Likewise.
6620         * except.c (init_eh, assign_filter_values): Likewise.
6621         * expmed.c (store_fixed_bit_field, extract_bit_field,
6622         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
6623         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
6624         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
6625         * expr.c (convert_move, emit_group_load, emit_group_store,
6626         expand_assignment, store_constructor, store_field,
6627         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
6628         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
6629         invert_truthvalue, optimize_bit_field_compare,
6630         decode_field_reference, all_ones_mask_p, constant_boolean_node,
6631         fold_div_compare, fold, fold_read_from_constant_string,
6632         fold_negate_const, fold_abs_const, fold_not_const, round_up,
6633         round_down): Likewise.
6634         * function.c (assign_parm_setup_block): Likewise.
6635         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
6636         Likewise.
6637         * stor-layout.c (layout_type, initialize_sizetypes,
6638         set_min_and_max_values_for_integral_type): Likewise.
6639         * tree-chrec.c (chrec_fold_multiply_poly_poly,
6640         reset_evolution_in_loop): Likewise.
6641         * tree-chrec.h (build_polynomial_chrec): Likewise.
6642         * tree-complex.c (build_replicated_const): Likewise.
6643         * tree-eh.c (honor_protect_cleanup_actions,
6644         lower_try_finally_onedest, lower_try_finally_copy,
6645         lower_try_finally_switch): Likewise.
6646         * tree-mudflap.c (mf_build_string, mx_register_decls,
6647         mudflap_register_call, mudflap_enqueue_constant): Likewise.
6648         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
6649         * tree-pretty-print.c (dump_generic_node): Likewise.
6650         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
6651         Likewise.
6652         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
6653         * tree-ssa-loop-niter.c (number_of_iterations_cond,
6654         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
6655         Likewise.
6656         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
6657         canonicalize_loop_induction_variables): Likewise.
6658         * tree-vectorizer.c (vect_create_index_for_array_ref,
6659         vect_transform_loop_bound, vect_compute_data_ref_alignment):
6660         Likewise.
6661
6662         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
6663         alpha_gimplify_va_arg_1): Likewise.
6664         * config/arm/arm.c (arm_get_cookie_size): Likewise.
6665         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6666         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
6667         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
6668         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
6669         mips_gimplify_va_arg_expr): Likewise.
6670         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6671         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
6672         add_compiler_branch_island): Likewise.
6673         * config/s390/s390.c (s390_va_start): Likewise.
6674         * config/sh/sh.c (sh_va_start): Likewise.
6675         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
6676         Likewise.
6677         * config/xtensa/xtensa.c (xtensa_va_start,
6678         xtensa_gimplify_va_arg_expr): Likewise.
6679
6680         * objc/objc-act.c (build_objc_string_object,
6681         build_objc_symtab_template, init_def_list, init_objc_symtab,
6682         init_module_descriptor, generate_static_references,
6683         build_selector_translation_table, get_proto_encoding,
6684         build_typed_selector_reference, build_selector_reference,
6685         build_next_objc_exception_stuff,
6686         build_method_prototype_list_template, generate_descriptor_table,
6687         generate_protocols, build_protocol_initializer,
6688         build_ivar_list_template, build_method_list_template,
6689         build_ivar_list_initializer, generate_ivars_list,
6690         generate_dispatch_table, generate_protocol_list,
6691         build_category_initializer, build_shared_structure_initializer,
6692         generate_shared_structures, handle_impent,
6693         generate_objc_image_info): Likewise.
6694
6695 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
6696
6697         * cfglayout.c (duplicate_insn_chain): Remove references to
6698         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
6699         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
6700         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
6701         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
6702         and NOTE_INSN_LOOP_CONT.
6703         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
6704         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
6705         and NOTE_INSN_LOOP_CONT.
6706         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
6707         check_dbra_loop, loop_dump_aux): Remove references to removed notes
6708         and fields.
6709         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
6710         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
6711         references to removed notes and fields.
6712         (subtract_reg_term, ujump_to_loop_cont): Remove.
6713
6714 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
6715
6716         * doc/install.texi: Document that libcpp does not require
6717         Automake any longer.  Document that Automake 1.9.1 should
6718         work everywhere.
6719
6720 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
6721
6722         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
6723         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
6724         DWARF_DEBUGGING_INFO from choice-of-definition chain;
6725         restructure using C89 features (#elif, #error).
6726         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
6727         * config/sh/sh.h: Remove references to DWARF_DEBUG.
6728         * doc/invoke.texi: Remove references to DWARF version 1;
6729         clarify why -gdwarf-2<n> doesn't work.
6730
6731 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
6732
6733         * basic-block.h (BB_SET_PARTITION): Clear old value first.
6734         * cfg.c (clear_bb_flags): Don't clear partition setting.
6735         * ifcvt.c (find_if_case_1): Remove ??? comment.
6736
6737 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
6738
6739         PR target/17052
6740         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
6741         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6742         current_function_stdarg in place of sysv_varargs_p.
6743         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
6744         sysv_varargs_p.
6745
6746 2004-08-24  Richard Henderson  <rth@redhat.com>
6747
6748         PR target/16298
6749         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
6750         random codes within CONST.
6751
6752 2004-08-24  James E Wilson  <wilson@specifixinc.com>
6753
6754         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
6755         -freorder-blocks-and-partition.
6756
6757 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6758
6759         PR middle-end/17044
6760         * tree-ssa-threadupdate.c (redirection_data): Make static.
6761         (thread_block): Use ggc_alloc_cleared to allocate struct
6762         redirection_data.  Don't free elements in redirection_data.
6763
6764 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
6765
6766         * config/mips/predicates.md (small_data_pattern): Match prefetches.
6767
6768 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6769
6770         PR tree-optimization/17016
6771         * tree-ssa-loop-niter.c (number_of_iterations_cond,
6772         number_of_iterations_exit): Use POINTER_TYPE_P instead
6773         of testing for POINTER_TYPE.
6774
6775 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6776
6777         * tree-ssa-loop-ivcanon.c: New file.
6778         * tree-ssa-loop-manip.c (create_iv): New function.
6779         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
6780         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
6781         * cfgloop.c (mark_single_exit_loops): New function.
6782         (verify_loop_structure): Verify single-exit loops.
6783         * cfgloop.h (struct loop): Add single_exit field.
6784         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
6785         (mark_single_exit_loops): Declare.
6786         (tree_num_loop_insns): Declare.
6787         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
6788         (duplicate_loop_to_header_edge): Use it.
6789         * common.opt (fivcanon): New flag.
6790         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
6791         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
6792         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
6793         (bsi_insert_on_edge_immediate): New function.
6794         * tree-flow.h (bsi_insert_on_edge_immediate,
6795         canonicalize_induction_variables, tree_unroll_loops_completely,
6796         create_iv): Declare.
6797         * tree-optimize.c (init_tree_optimization_passes): Add
6798         pass_iv_canon and pass_complete_unroll.
6799         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
6800         * tree-scalar-evolution.c (get_loop_exit_condition,
6801         get_exit_conditions_rec, number_of_iterations_in_loop,
6802         scev_initialize): Use single_exit information.
6803         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
6804         missing assumptions.
6805         (loop_niter_by_eval):  Return number of iterations as unsigned
6806         int.
6807         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
6808         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
6809         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
6810         New passes.
6811         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
6812         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
6813         the defining statement is ready.
6814         * tree-vectorizer.c (vect_create_iv_simple): Removed.
6815         (vect_create_index_for_array_ref, vect_transform_loop_bound):
6816         Use create_iv.
6817         (vect_transform_loop_bound): Use single_exit information.
6818         (vect_analyze_loop_form): Cleanup bogus tests.
6819         (vectorize_loops): Do not call flow_loop_scan.
6820         * tree.h (may_negate_without_overflow_p): Declare.
6821         * fold-const.c (may_negate_without_overflow_p): Split out from ...
6822         (negate_expr_p): ... this function.
6823         (tree_expr_nonzero_p): Handle overflowed constants correctly.
6824         * doc/invoke.texi (-fivcanon): Document.
6825         * doc/passes.texi: Document canonical induction variable creation.
6826
6827 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
6828
6829         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
6830         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
6831         using the mode of the operand to decide between them.
6832         * config/mips/mips.md (MOVECC): New mode macro.
6833         (ccreg): New mode attribute.
6834         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
6835         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
6836         (mov[sd]icc): Redefine using :GPR.
6837
6838 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
6839
6840         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
6841         (mips_prefetch_cookie): New function.
6842         * config/mips/mips.c (print_operand_address): Fix handling of
6843         ADDRESS_CONST_INT.
6844         (mips_emit_prefetch): Delete.
6845         (mips_prefetch_cookie): New function.
6846         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
6847         mode of QImode for the address_operand.  Use mips_prefetch_cookie
6848         to calculate the first "pref" operand.
6849         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
6850         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
6851
6852 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
6853
6854         * arm.md: Include predicates.md.
6855         * predicates.md: New file.
6856         * arm.c (s_register_operand, arm_hard_register_operand)
6857         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
6858         (arm_immediate_operand, arm_neg_immediate_operand)
6859         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
6860         (arm_add_operand, arm_addimm_operand, arm_not_operand)
6861         (offsettable_memory_operand, alignable_memory_operand)
6862         (arm_reload_memory_operand, arm_float_rhs_operand)
6863         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
6864         (index_operand, shiftable_operator, logical_binary_operator)
6865         (shift_operator, equality_operator, arm_comparison_operator)
6866         (minmax_operator, cc_register, dominant_cc_register)
6867         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
6868         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
6869         (const_shift_operand, load_multiple_operation)
6870         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
6871         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
6872         (cirrus_register_operand, cirrus_fp_register)
6873         (cirrus_shift_const): Delete, replaced with equivalents in
6874         predicates.md.
6875         (shift_op): Handle ROTATE.
6876         * arm-protos.h: Delete declarations for above.
6877         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
6878         * t-arm (MD_INCLUDES): Add predicates.md.
6879         (s-preds): Depends on MD_INCLUDES.
6880
6881 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
6882
6883         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
6884         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
6885         patterns.  Redefine using :GPR.  Give the match_operator a mode.
6886         Use '%2' rather than '%z2' for operand 2.
6887
6888 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
6889
6890         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
6891         attribute.
6892
6893 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
6894
6895         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
6896         of internal patterns.
6897         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
6898         Redefine using :P.
6899         (tablejump): Use expand_binop to calculate address.  Adjust names
6900         of internal patterns.
6901         (tablejump[sd]i): Renamed from tablejump_internal[12].
6902         Redefine using :P.
6903         (tablejump_mips16[12]): Delete.
6904
6905 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
6906
6907         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
6908         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
6909         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
6910         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
6911         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
6912
6913 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
6914
6915         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
6916         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
6917         using :GPR.
6918         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
6919         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
6920         (*branch_equality[sd]i_inverted): Likewise
6921         branch_equality{,_di}_inverted.
6922         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
6923         Redefine using :GPR.
6924
6925 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
6926
6927         * rtl.def: Reorganize, placing all codes used only in machine
6928         descriptions at the end.
6929
6930         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
6931         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
6932         rtx_name, rtx_format arrays by direct reference to rtl.def,
6933         first undefining GENERATOR_FILE.  Define enum insn_note and
6934         note_insn_name array by direct reference to insn-notes.def.
6935         (adjust_field_rtx_def): Remove local definition of rtx_name.
6936         Use symbolic names for insn notes.
6937         * Makefile.in (gengtype.o): Update dependencies.
6938
6939 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
6940
6941         * basic-block.h (struct basic_block_def): Reorder fields to
6942         eliminate interior padding.  Remove 'partition' field.
6943         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
6944         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
6945         (BB_COPY_PARTITION): New macros.
6946         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
6947         Replace all references to the 'partition' field of a basic
6948         block with new macros.
6949
6950         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
6951         * final.c (final_scan_insn): Don't handle it.
6952         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
6953         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
6954         * sched-rgn.c (sched_is_disabled_for_current_region_p):
6955         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
6956
6957 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
6958
6959         * c-decl.c (c_init_decl_processing): Adjust
6960         build_common_tree_nodes call.
6961         * expmed.c (const_mult_add_overflow_p): Use
6962         build_distinct_type_copy.
6963         * stor-layout.c (early_type_list): Remove.
6964         (layout_type): Don't append to early_type_list.
6965         (initialize_sizetypes): Add signed_p argument.
6966         (set_sizetype): Overwrite the stub type nodes directly.
6967         * tree.c (copy_node_stat): Clear a type's value cache here ...
6968         (build_distinct_type): ... not here.
6969         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
6970         * tree.h (initialize_sizetypes): Add signed_p argument.
6971         (build_common_tree_nodes): Likewise.
6972
6973         * objc/objc-act.c (get_static_reference): Use
6974         build_variant_type_copy.
6975         (get_protocol_reference): Likewise.
6976         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
6977
6978 2004-08-24  Richard Henderson  <rth@redhat.com>
6979             Andrew Pinski  <apinski@apple.com>
6980
6981         * gimplify.c (gimplify_array_ref_to_plus): Delete.
6982         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
6983         for ARRAY_REF.
6984
6985         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
6986         ARRAY_REF also to get to the STRING_CST.
6987
6988 2004-08-24  Paul Brook  <paul@codesourcery.com>
6989
6990         * config/arm/arm.c (arm_override_options): Update error message.
6991         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
6992         TARGET_HARD_FLOAT_ABI.
6993         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
6994         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
6995
6996 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6997
6998         PR target/17093
6999         * config/m32r.md (movsi_sda): Add SI mode specification to
7000         UNSPEC.
7001
7002 2004-08-24  Nick Clifton  <nickc@redhat.com>
7003
7004         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
7005         of seth_add3_operand.
7006
7007 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
7008
7009         * Makefile.in (PROTO_OBJS): Add errors.o.
7010         * protoize.c (fancy_abort): Remove.
7011         * mips-tfile.c (fancy_abort): Add parameters.
7012
7013 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
7014
7015         * doc/trouble.texi (C++ misunderstandings): Fix example code.
7016
7017 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
7018
7019         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
7020         (host-default.o): Add dependency on HOOKS_H.
7021         * config/x-linux: Likewise.
7022         * config/x-solaris: Likewise.
7023         * config/i386/x-mingw32: Likewise.
7024         * config/rs6000/x-darwin: Likewise.
7025
7026 2004-08-23  James E Wilson  <wilson@specifixinc.com>
7027
7028         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
7029         DEF_REG_NOTE.
7030
7031 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
7032
7033         PR c/14492
7034         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
7035
7036 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
7037
7038         * cfg.c (check_bb_profile): Fix typos.
7039         * function.c (assign_parm_is_stack_parm): Likewise.
7040         * tree-nested.c: Likewise.
7041
7042 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
7043
7044         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
7045         Remove TYPECODE.
7046         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
7047
7048 2004-08-23  Eric Christopher  <echristo@redhat.com>
7049
7050         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
7051         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
7052         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
7053         * target.h: Ditto.
7054         * hooks.h: Include machmode.h.
7055         (hook_bool_mode_false): Declare.
7056         * hooks.c (hook_bool_mode_false): Define.
7057         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
7058         * stor-layout.c (layout_type): Ditto.
7059         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
7060         Define to target macro.
7061         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
7062         * config/arm/arm.c: Ditto. Use.
7063         * config/arm/arm.h: Ditto.
7064         * config/arm/arm-protos.h: Ditto.
7065         * config/i386/i386.c: Ditto.
7066         * config/i386/i386.h: Ditto.
7067         * config/rs6000/rs6000.c: Ditto.
7068         * config/rs6000/rs6000.h: Ditto.
7069         * config/sh/sh.c: Ditto.
7070         * config/sh/sh.h: Ditto.
7071         * config/sh/sh-protos.h: Ditto.
7072         * config/sh/sh.md: Use.
7073         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
7074         to TARGET_VECTOR_MODE_SUPPORTED_P.
7075
7076 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
7077
7078         * Makefile.in (BUILD_ERRORS): Set to build-errors.
7079         (errors.o): New target for host.
7080         (build-errors.o): New target for build.
7081         (genobjs): Replace errors.o with build-errors.
7082         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
7083         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
7084         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
7085         (fix-header.o): Add errors.h
7086         * collect2.c (fancy_abort): Add parameters.
7087         * collect2.h (fancy_abort): Don't declare.
7088         * errors.h (fancy_abort): Don't declare.
7089         * errors.c: Include either bconfig.h or config.h.
7090         (fancy_abort): Trim filename.
7091         * fix-header.c (v_fatal, fatal): Remove.
7092         (progname): Remove definition.
7093         (main): Set progname here.
7094         * gcc.c (fancy_abort): Add parameters.
7095         * gcc.h (fancy_abort): Remove declaration.
7096         * gcov.c (fancy_abort): Remove.
7097         * rtl.h (fancy_abort): Don't declare.
7098         (abort): Don't define.
7099         * tree.h (fancy_abort): Don't declare.
7100         (abort): Don't define.
7101         * system.h (fancy_abort): Declare.
7102         (abort): Define to fancy_abort.
7103         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
7104
7105         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
7106         (usize_type, ubitsizetype): Remove.
7107         * stor-layout.c (set_sizetype): Don't initialize usizetype,
7108         ubitsizetype.
7109         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
7110
7111         * tree.h (build_distinct_type_copy): New.
7112         (build_type_copy): ... here.  Rename to ...
7113         (build_variant_type_copy): ... here.
7114         * tree.c (build_qualified_type): Rename build_type_copy call.
7115         (build_distinct_type_copy): New, broken out of ...
7116         (build_type_copy): ... here.  Rename to ...
7117         (build_variant_type_copy): ... here.  Use
7118         build_distinct_type_copy.
7119         (build_common_tree_nodes_2): Rename build_type_copy call.
7120         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
7121         call.
7122         (handle_packed_attribute, handle_unused_attribute,
7123         handle_transparanet_union_attribute, handle_aligned_attribute,
7124         handle_deprecated_attribute): Likewise.
7125         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
7126         Likewise.
7127         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
7128         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
7129         build_distinct_type_copy.
7130
7131 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7132
7133         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
7134         attribute.
7135
7136 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7137
7138         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
7139         loads and stores.
7140         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
7141         formerly unnamed patterns.  Redefine using :P for the address.  Remove
7142         explicit length attributes.
7143
7144 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7145
7146         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
7147         New functions.
7148         (single_reachable_address): Use them.
7149         (schedule_sm): Add dump.
7150         (is_call_clobbered_ref): New function.
7151         (determine_lsm_reg): Check whether the reference is call clobbered.
7152         Only work for gimple_reg_type values.
7153
7154 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7155
7156         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
7157         $31 store insns.  Redefine using :GPR.
7158
7159 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7160
7161         * config/mips/mips.md (P): New mode macro.
7162         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
7163         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
7164         Add mode attributes.
7165
7166 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7167
7168         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
7169         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
7170         later constants to cover the gap.
7171         (load, store): New mode attributes.
7172         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
7173         Use new unspec constants.
7174
7175 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7176
7177         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
7178         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
7179         to use register_operand rather than uns_arith_operand as the predicate
7180         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
7181         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
7182         Redefine using :GPR.  Make same predicate change here.  Extend the
7183         commutativity of operands 1 and 2 from the SImode version to the
7184         DImode one.
7185         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
7186         but with no predicate changes.
7187         (*nor[sd]i3): Redefine using :GPR.
7188
7189 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7190
7191         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
7192         noreturn functions.
7193
7194 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7195
7196         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
7197         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
7198         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
7199         rather than "%z2" (with a fake const0_rtx for operand 2).
7200         (ffs[sd]i2): Redefine using :GPR.
7201         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
7202
7203 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7204
7205         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
7206
7207 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7208
7209         * config/mips/mips.md (any_extend): New code macro.
7210         (u, su): New code attributes.
7211         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
7212         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
7213         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
7214         (*{s,u}mul_acc_di): Redefine using any_extend.
7215         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
7216         to reflect real insn names.
7217         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
7218         with an any_extend template.
7219         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
7220         Add '*' to name.
7221
7222 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7223
7224         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
7225         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
7226         (mul[sd]i3_r4000): Redefine using :GPR.
7227         (mulsi3_mult3): Don't check TARGET_MAD separately.
7228         (muldi3_mult3): Moved after mulsi_mult3.
7229
7230 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7231
7232         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
7233         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
7234         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
7235         (TARGET_GAS, TARGET_MIPS_AS): Delete.
7236         (TARGET_GPWORD): Define to true for n32 on IRIX.
7237         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
7238         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
7239         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
7240         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
7241         (MDEBUG_ASM_SPEC): Delete, folding into...
7242         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
7243         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
7244         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
7245         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
7246         to define asm_abi_default_spec.
7247         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
7248         (TARGET_ASM_SELECT_SECTION): Delete.
7249         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
7250         for non-mips16 code, removing previous workaround for SGI assemblers.
7251         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
7252         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
7253         (override_options): Remove !TARGET_GAS and !have_named_sections code.
7254         (print_operand): Fold TARGET_GAS conditionals into asm strings.
7255         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
7256         ASM_STABS_OP and ASM_STABN_OP.
7257         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
7258         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
7259         (mips_output_function_prologue): Remove !TARGET_GAS code.
7260         (mips_select_rtx_section): Remove !have_named_sections code.
7261         (mips_select_section): Delete.
7262         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
7263         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
7264         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
7265         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
7266         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
7267         * config/mips/windiss.h (ASM_SPEC): Likewise.
7268
7269 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7270
7271         * read-rtl.c (map_value, mapping, macro_group): New structures.
7272         (BELLWETHER_CODE): New macro.
7273         (modes, codes, bellwether_codes): New variables.
7274         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
7275         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
7276         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
7277         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
7278         (add_map_value, initialize_macros): New functions.
7279         (def_hash, def_hash_eq_p): Generalize to anything that points to,
7280         or starts with, a char * field.
7281         (find_macro, read_mapping, check_code_macro): New functions.
7282         (read_rtx_1): New, split out from read_rtx.  Handle the new
7283         define_{mode,code}_{macro,attr} constructs.  Use find_macro
7284         to parse the name of a code or mode.  Use BELLWETHER_CODE to
7285         extract the format and to choose a suitable code for rtx_alloc.
7286         Modify recursive invocations to use read_rtx_1.
7287         (read_rtx): Call initialize_macros.  Apply code and mode macros
7288         to the rtx returned by read_rtx_1.  Cache everything after the
7289         first macro expansion for subsequent read_rtx calls.
7290         * doc/md.texi: Document new .md constructs.
7291         * config/mips/mips.md (GPR): New mode macro.
7292         (d, si8_di5): New mode attributes.
7293         (any_cond): New code macro.
7294         (add[sd]i3): Redefine using :GPR.
7295         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
7296         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
7297         previously unnamed MIPS16 patterns.
7298         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
7299         lines.  Don't match (plus (const_int 0) ...).
7300         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
7301         Use a define_split to generate the addition.
7302         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
7303         (subsi3_internal): Delete.
7304         (*subsi3_extended): Renamed from subsi3_internal_2.
7305         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
7306         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
7307         using an any_cond template.
7308
7309 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7310
7311         * read-rtl.c (read_rtx): Tidy use of format_ptr.
7312
7313 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
7314
7315         * read-rtl.c (string_obstack): New file-scope variable.
7316         (read_string, read_quoted_string, read_braced_string)
7317         (read_escape): Remove obstack parameter and use string_obstack instead.
7318         (read_rtx): Remove function-local rtl_obstack and initialize
7319         string_obstack instead.  Update call to read_string.
7320
7321 2004-08-22  Andrew Pinski  <apinski@apple.com>
7322
7323         PR c/15262
7324         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
7325         expression is not constant.
7326         (c_finish_return): Do not go through INDIRECT_REF when looking
7327         for the inner expression of an ADDR_EXPR for warning about.
7328
7329 2004-08-22  Richard Henderson  <rth@redhat.com>
7330
7331         PR 17075
7332         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
7333         create new blocks and fall through.
7334         (expand_gimple_basic_block): Update to match.
7335
7336 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
7337
7338         * reload.c (find_reloads_address): Make return value tri-state.
7339         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
7340         (find_reloads): Assume that reloaded addresses match 'o' or
7341         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
7342         returned 1 (not -1).  Omit optional reloads for address operands
7343         only if find_reloads_address returned 1 (not -1).
7344
7345         * config/s390/s390.c (legitimize_reload_address): New function.
7346         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
7347         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
7348         legitimize_reload_address.
7349
7350 2004-08-22  Richard Hendersion  <rth@redhat.com>
7351
7352         * tree.h (SAVE_EXPR_RESOLVED_P): New.
7353         * gimplify.c (gimplify_save_expr): Use it.
7354         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
7355         on the temporary variable.
7356
7357 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
7358
7359         * fold-const.c (rtl_expr_nonnegative_p): Delete.
7360         * tree.h (rtl_expr_nonnegative_p): Remove.
7361
7362 2004-08-22  Steven Bosscher  <stevenb@suse.de>
7363
7364         * config/i386/ppro.md (ppro_complex_insn): Add missing check
7365         for cpu==pentiumpro.
7366
7367         * combine.c (struct reg_stat): Fix comment typo.
7368
7369 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7370
7371         * c-tree.h (c_sizeof_nowarn): Remove.
7372
7373 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
7374
7375         * c-decl.c (set_array_declarator_type): Rename to
7376         set_array_declarator_inner.
7377         (build_c_parm, build_attrs_declarator, build_function_declarator):
7378         New functions.
7379         (make_pointer_declarator): Call build_attrs_declarator.
7380         * c-tree.h (set_array_declarator_type): Rename to
7381         set_array_declarator_inner.
7382         (build_c_parm, build_attrs_declarator, build_function_declarator):
7383         New prototypes.
7384         * c-parse.in (after_type_declarator,
7385         parm_declarator_starttypename, parm_declarator_nostarttypename,
7386         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
7387         firstparm): Use these functions
7388
7389 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
7390
7391         * c-decl.c (build_array_declarator, set_array_declarator_type,
7392         start_decl, grokdeclarator, grokparms): Change boolean parameters
7393         to type bool.
7394         * c-tree.h (build_array_declarator, set_array_declarator_type,
7395         start_decl): Update prototypes.
7396         * c-decl.c, c-parse.in: All callers changed.
7397
7398 2004-08-21  Mike Stump  <mrs@apple.com>
7399
7400         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
7401         (darwin_fix_and_continue): Likewise.
7402         (darwin_fix_and_continue_switch): Likewise.
7403         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
7404         (darwin_fix_and_continue): Likewise.
7405         (darwin_fix_and_continue_switch): Likewise.
7406
7407 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
7408
7409         PR  c++/16030
7410         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
7411         Remove, merging into ...
7412         (gen_stdcall_or_fastcall_suffix): New function, returning tree
7413         rather than const char*, and accepting additional parameter.
7414         Don't add suffix to '*'-prefixed symbols or variadic functions.
7415         (i386_pe_encode_section_info): Adjust for call to new function.
7416         Call change_decl_assembler_name.
7417
7418 2004-08-20  Mike Stump  <mrs@apple.com>
7419
7420         * config/darwin.c (machopic_indirect_data_reference): Mark
7421         stubs as defined.
7422         * config/386/386.c (darwin_local_data_pic): Add.
7423         (legitimate_constant_p): Reorder so that PLUS handling runs
7424         before darwin_local_data_pic to match the ordering in
7425         legitimate_pic_address_disp_p and so that MINUS runs after
7426         darwin_local_data_pic as otherwise the darwin_local_data_pic
7427         logic can be skipped, which would be very bad.
7428         (legitimate_pic_address_disp_p): Move from from here to
7429         darwin_local_data_pic so it can be reused.
7430
7431 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
7432
7433         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
7434         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
7435         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
7436         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
7437         (RS6000_ABI_NAME): Define as "linux".
7438         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
7439         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
7440         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
7441         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
7442         * config/rs6000/rs6000.c (dot_symbols): New global var.
7443         (rs6000_output_function_entry): New function, modified for
7444         !DOT_SYMBOLS..
7445         (print_operand <case 'z'>): ..extracted from here.
7446         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
7447         (rs6000_output_function_epilogue): Likewise.
7448         (rs6000_elf_declare_function_name): Likewise.
7449         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
7450         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
7451         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
7452         * configure: Regenerate.
7453         * config.in: Regenerate.
7454
7455 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
7456
7457         * reload.c (find_reloads_address): Fix thinko in previous change.
7458
7459         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
7460         a CONST_INT.
7461
7462 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
7463
7464         PR rtl-optimization/17099
7465         * combine.c (force_to_mode): Check if inner_mask has any bits set
7466         outside of GET_MODE (x) instead of op_mode.
7467
7468 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
7469
7470         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
7471         fragment.
7472         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
7473         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
7474         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
7475         architecture.
7476         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
7477         configurations.
7478         * config/arm/t-symbian: New file.
7479
7480 2004-08-20  Andrew Pinski  <apinski@apple.com>
7481
7482         * regrename.c (kill_value_regno): ANSIfy.
7483
7484 2004-08-20  Dale Johannesen  <dalej@apple.com>
7485
7486         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
7487
7488 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
7489
7490         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
7491         (kill_value_regno): New function, derived from kill_value.
7492         (kill_value): Update.
7493         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
7494
7495 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
7496
7497         Fix PR tree-optimization/17111
7498         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
7499         of non-value_handles.
7500         (bitmap_set_contains): All constants are in every set.
7501
7502 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
7503
7504         * fold-const.c (round_up, round_down): Use build_int_cst.
7505         Optimize common case.
7506
7507 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
7508             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7509
7510         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
7511         one_only_data_section): Rename to som_readonly_data_section,
7512         som_one_only_readonly_data_section and som_one_only_data_section.
7513         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
7514         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
7515         conditional defines.
7516         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
7517         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
7518         string values.
7519         (pa_select_section): Use renamed section functions.
7520         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
7521         SOM_READONLY_DATA_SECTION_FUNCTION,
7522         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
7523         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
7524         Define here ...
7525         * config/pa/som.h: ... not here.
7526         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
7527         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
7528         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
7529         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
7530         (READONLY_DATA_SECTION): Use som_readonly_data_section.
7531
7532 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
7533
7534         * fold-const.c (int_const_binop): Don't generate non-overflowing
7535         size-types specially.
7536         (fold_convert_const): Likewise.
7537
7538         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
7539         clear cache on copied sizetype.
7540
7541 2004-08-20  Ben Elliston  <bje@au.ibm.com>
7542
7543         * configure.ac: Don't escape apostrophe in --enable-coverage help.
7544         * configure: Regenerate.
7545
7546 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
7547
7548         PR 5620
7549         * gcc.c (struct stat input_stat): Don't define if
7550         HOST_LACKS_INODE_NUMBERS
7551         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
7552         than stat to determine if temp file is same as input file.
7553         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
7554         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
7555
7556 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
7557
7558         * configure.ac (mips*-*-*): Print an error if not using GAS.
7559         * configure: Regenerated.
7560         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
7561         comments about buggy MIPSpro assemblers.
7562         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
7563         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
7564         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
7565         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
7566         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
7567         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
7568         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
7569         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
7570         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
7571         of more general IRIX 6 definitions.
7572         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
7573         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
7574         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
7575         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
7576         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
7577         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
7578         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
7579         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
7580         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
7581         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
7582         (LINK_SPEC): Move most of definition to iris.h.
7583         (SUBTARGET_LINK_SPEC): New macro.
7584         (IRIX_STARTFILE_SPEC): Fold into...
7585         (STARTFILE_SPEC): ...here.
7586         (IRIX_ENDFILE_SPEC): Fold into...
7587         (ENDFILE_SPEC): ...here.
7588         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
7589         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
7590         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
7591         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
7592         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
7593         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
7594         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
7595         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
7596         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
7597         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
7598         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
7599         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
7600         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
7601         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
7602         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
7603         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
7604         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
7605         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
7606         (TARGET_IRIX6): Define to 1.
7607         (DRIVER_SELF_SPECS): Define.
7608         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
7609         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
7610         (SUBTARGET_LINK_SPEC): New macro.
7611         (IRIX_STARTFILE_SPEC): Fold into...
7612         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
7613         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
7614         (LIB_SPEC, LIBGCC_SPEC): Use them.
7615         (LIB_SPEC): Remove !mabi=* case.
7616         (IRIX_ENDFILE_SPEC): Fold into...
7617         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
7618         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
7619         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
7620         (TARGET_IRIX6): New macro.
7621         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
7622         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
7623         (LABEL_AFTER_LOC): Delete.
7624         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
7625         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
7626         (mips_build_builtin_va_list): Check TARGET_IRIX6.
7627         (override_options): Remove TARGET_SGI_O32_AS-related code.
7628         (irix_output_external_libcall): Make static.
7629         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
7630         LABEL_AFTER_LOC.
7631         (mips_file_start): Tidy guard for ABI sections.  Remove use of
7632         ABICALLS_ASM_OP; use .abicalls instead.
7633         (mips_output_aligned_decl_common, mips_declare_object_name)
7634         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
7635         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
7636         .globl foo .text directives.
7637         (irix_asm_named_section_1, irix_asm_named_section)
7638         (irix_section_align_entry, irix_section_align_htab)
7639         (irix_orig_asm_out_file, irix_section_align_entry_eq)
7640         (irix_section_align_entry_hash, irix_asm_output_align)
7641         (irix_file_start, irix_section_align_1, copy_file_data)
7642         (irix_file_end, irix_section_type_flags): Delete.
7643         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
7644         Use standard section syntax.  Remove protective "jr $31".
7645         (__gcc_fini): Likewise .gcc_fini.
7646         * config/mips/irix-crtn.asm: Adjust sections accordingly.
7647         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
7648         iris5gas.h.
7649         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
7650         from t-irix-gld.
7651         (EXTRA_MULTILIB_PARTS): Define.
7652         * config/mips/t-iris6: Remove bogus comment.
7653         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
7654         * config/mips/iris5gas.h, config/mips/iris5gld.h,
7655         config/mips/iris6gas.h, config/mips/iris6gld.h,
7656         config/mips/t-iris5-as, config/mips/t-iris5-gas
7657         config/mips/t-irix-gld: Delete.
7658         * config/mips/iris.h: New file.
7659         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
7660
7661 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
7662
7663         * postreload.c (reload_cse_move2add): Allow any condjump, but check
7664         that the implicit set isn't clobbered in the jump insn.
7665
7666 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
7667
7668         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
7669         * optabs.c (init_optabs): Don't check it.
7670         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
7671         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
7672
7673 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
7674
7675         * config/s390/s390.md (s390_warn_framesize_string)
7676         (s390_warn_dynamic_string, s390_stack_size_string)
7677         (s390_stack_guard_string): New global string variables.
7678         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
7679         (s390_stack_guard): New global variables.
7680         (override_options): Added checks for the new options.
7681         (s390_emit_prologue): Emit stack check and trap code and perform
7682         compile time stack size checking.
7683
7684         * config/s390/s390.h (TARGET_OPTIONS): Added new options
7685         "warn-framesize", "warn-dynamicstack", "stack-size" and
7686         "stack-guard".
7687
7688         * doc/invoke.texi: Added documentation for the new options.
7689
7690 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
7691
7692         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
7693         to eliminate warning.
7694         (linear_search_fdes): Declare p as unsigned.
7695         (binary_search_mixed_encoding_fdes): Likewise.
7696         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
7697         to eliminate warning.
7698         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
7699         type cast.
7700
7701 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
7702
7703         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
7704         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
7705         instead of one.  Check for strictly legitimate address.
7706         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
7707         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
7708
7709 2004-08-19  Eric Christopher  <echristo@redhat.com>
7710
7711         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
7712         * langhooks.h (unsave_expr_now): Ditto.
7713         * tree.h (unsave_expr_1): Remove prototype.
7714         (lhd_unsave_expr_now): Rename to unsave_expr_now.
7715         * tree-inline.c (unsave_expr_1): Move here
7716         from tree.c. Make static.
7717         (unsave_expr_now): Rename from lhd_unsave_expr_now.
7718         * tree-sra.c: Fix up for rename.
7719         * tree-ssa-copy.c: Ditto.
7720         * tree-eh.c: Ditto.
7721         * tree.c (unsave_expr_1): Move to tree-inline.c.
7722
7723 2004-08-19  Caroline Tice  <ctice@apple.com>
7724
7725         * config/i386/cygming.h (switch_to_section):  Fix typo (change
7726         in_unlikely_text_section to in_unlikely_executed_text).
7727
7728 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
7729
7730         * vec.h (VEC_lower_bound): New macro.
7731
7732 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
7733
7734         PR target/16446
7735         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
7736         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
7737         treat each ABI separately.  Deal with n32/n64 complex float arguments.
7738         (function_arg): Add associated complex handling here.
7739
7740 2004-08-19  Richard Henderson  <rth@redhat.com>
7741
7742         * config/arm/arm.c (arm_gen_load_multiple): Use
7743         adjust_automodify_address.  Take base memory and offset instead
7744         of unchanging/struct/scalar bits.
7745         (arm_gen_store_multiple): Likewise.
7746         (arm_gen_movmemqi): Use adjust_automodify_address.
7747         * config/arm/arm-protos.h: Update decls.
7748         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
7749         (store_multiple): Similarly.
7750
7751 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
7752
7753         * regclass.c (globalize_reg): Update call_really_used_regs.
7754
7755 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
7756
7757         * doc/invoke.texi (integer-share-limit): Document.
7758
7759         * tree.h (TYPE_CACHED_VALUES_P): New.
7760         (TYPE_CACHED_VALUES): New.
7761         (TYPE_ORIG_SIZE_TYPE): Adjust.
7762         * tree.def (INTEGER_CST): Update documentation.
7763         * tree.c: Inlcude params.h.
7764         (build_int_cst): Cache small values.
7765         (build_type_copy): Do not copy the value cache.
7766         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
7767         unneeded zeroing.
7768         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
7769         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
7770         cache.
7771         * fold-const.c (force_fit_type): Copy value when setting
7772         overflows.
7773         (int_const_binop): Likewise.
7774         * stor-layout.c: Include params.h
7775         (set_sizetype): Create values cache.
7776         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
7777         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
7778         * params.h (INTEGER_SHARE_LIMIT): New.
7779         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
7780
7781 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
7782
7783         * gimplify.c (gimplify_minimax_expr): Remove.
7784         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
7785
7786 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
7787
7788         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
7789         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
7790
7791 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
7792
7793         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
7794
7795 2004-08-18  Andrew Pinski  <apinski@apple.com>
7796
7797         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
7798
7799 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
7800
7801         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
7802         (__aeabi_ul2f): Likewise.
7803
7804 2004-08-18  Richard Henderson  <rth@redhat.com>
7805
7806         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
7807         move to rtl completely.
7808         (struct meminsnbuf, xtensa_emit_block_move): Remove.
7809         (xtensa_find_mode_for_size): Remove.
7810         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
7811         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
7812
7813 2004-08-18  Richard Henderson  <rth@redhat.com>
7814
7815         * config/mcore/mcore.c (mode_from_align): Remove DImode.
7816         (block_move_sequence): Rewrite to use adjust_address.
7817         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
7818         Return boolean indicating success/failure.
7819         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
7820         * config/mcore/mcore.md (movmemsi): Update to match.
7821
7822 2004-08-18  Mike Stump  <mrs@apple.com>
7823
7824         * doc/invoke.texi (-mfix-and-continue): Add support for
7825         fast turn around debugging.
7826         (-ffix-and-continue): Likewise.
7827         (-mindirect-data): Likewise.
7828         (-findirect-data): Likewise.
7829         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
7830         (indirect_data): Likewise.
7831         (machopic_data_defined_p): Likewise.
7832         (machopic_output_indirection): Likewise.
7833         (darwin_encode_section_info): Likewise.
7834         (darwin_fix_and_continue): Likewise.
7835         (darwin_fix_and_continue_switch): Likewise.
7836         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
7837         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
7838         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
7839         (SUBTARGET_OPTIONS): Likewise.
7840         (darwin_fix_and_continue): Likewise.
7841         (darwin_fix_and_continue_switch): Likewise.
7842         (TARGET_FIX_AND_CONTINUE): Likewise.
7843         * config/rs6000.c (rs6000_emit_prologue): Likewise.
7844
7845 2004-08-19  Steven Bosscher  <stevenb@suse.de>
7846
7847         * basic-block.h (struct edge_def): Remove crossing_edge.
7848         (EDGE_CROSSING): New define.
7849         (EDGE_ALL_FLAGS): Update.
7850         * bb-reorder.c (find_traces_1_round, better_edge_p,
7851         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
7852         find_jump_block, fix_crossing_conditional_branches,
7853         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
7854         Replace all occurences of crossing_edge with an edge flag check
7855         or set/reset.
7856         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7857         try_crossjump_bb): Likewise.
7858         * cfglayout.c (fixup_reorder_chain): Likewise.
7859         * cfgrtl.c (force_nonfallthru_and_redirect,
7860         commit_one_edge_insertion): Likewise.
7861
7862         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
7863         * tree-flow.h (compute_dominance_frontiers): Move prototype...
7864         * basic-block.h:  ...here.
7865         * tree-cfg.c (compute_dominance_frontiers_1,
7866         compute_dominance_frontiers): Move from here...
7867         * cfganal.c: ...to here.  Include timevar.h.
7868
7869 2004-08-18  James E Wilson  <wilson@specifixinc.com>
7870
7871         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
7872         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
7873
7874         * config/mips/mips.md (type): Add frdiv.
7875         (divsf3+1, divsf3+2): Change type to frdiv.
7876         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
7877         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
7878
7879         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
7880         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
7881         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
7882         * config/mips/5000.md (r5k_fdiv_single): Likewise.
7883         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
7884         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
7885         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
7886         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
7887         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
7888         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
7889         Likewise.
7890         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
7891
7892 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
7893
7894         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
7895         get regression tester working again.
7896
7897 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
7898
7899         * insn-notes.def, reg-notes.def: New files.
7900         * rtl.h: Use them to define enum insn_note and enum reg_note.
7901         * rtl.c: Use them to define note_insn_name and reg_note_name.
7902         * Makefile.in (RTL_BASE_H): Update.
7903
7904         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
7905         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
7906
7907 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
7908
7909         * arm.c (arm_size_rtx_costs): New function.
7910         (arm_override_options): Use it if optimizing for space.
7911
7912 2004-08-18  Richard Henderson  <rth@redhat.com>
7913
7914         * emit-rtl.c (gen_const_mem): New.
7915         * rtl.h (gen_const_mem): Declare.
7916         * expr.c (do_tablejump): Use it.
7917         * varasm.c (force_const_mem): Likewise.
7918         * config/darwin.c (machopic_indirect_data_reference): Likewise.
7919         (machopic_legitimize_pic_address): Likewise.
7920         * config/arm/arm.c (legitimize_pic_address): Likewise.
7921         * config/i386/i386.c (legitimize_pic_address): Likewise.
7922         (legitimize_tls_address): Likewise.
7923         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
7924         * config/ia64/ia64.md (load_fptr): Likewise.
7925         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
7926         * config/pa/pa.c (legitimize_pic_address): Likewise.
7927         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
7928         (rs6000_emit_move): Likewise.
7929         * config/s390/s390.c (legitimize_pic_address): Likewise.
7930         (legitimize_tls_address): Likewise.
7931         * config/s390/s390.md (casesi): Likewise.
7932         * config/sh/sh.c (sh_reorg): Likewise.
7933         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
7934         * config/v850/v850.md (casesi): Likewise.
7935
7936         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
7937         * config/sh/sh.c (prepare_move_operands): Remove incorrect
7938         use of MEM_READONLY_P.
7939
7940 2004-08-18  Steven Bosscher  <stevenb@suse.de>
7941
7942         * Makefile.in (OBJS-common): Add postreload-gcse.c.
7943         Add new postreload-gcse.o.
7944         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
7945         (lookup_as_function, insert, rehash_using_reg, use_related_value,
7946         equiv_constant): Use SAFE_HASH instead of safe_hash.
7947         (exp_equiv_p): Export.  Add for_gcse argument when comparing
7948         for GCSE.
7949         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
7950         find_comparison_args, fold_rtx, cse_insn): Update callers.
7951         (hash_rtx): New function derived from old canon_hash and bits
7952         from gcse.c hash_expr_1.
7953         (canon_hash_string): Rename to hash_rtx_string.
7954         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
7955         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
7956         (cselib_lookup): Update this caller.
7957         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
7958         Make static.
7959         (hash_expr): Call hash_rtx.
7960         (ldst_entry): Likewise.
7961         (expr_equiv_p): Call exp_equiv_p.
7962         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
7963         reg_used_on_edge, reg_set_between_after_reload_p,
7964         reg_used_between_after_reload_p, get_avail_load_store_reg,
7965         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
7966         get_bb_avail_insn, hash_scan_set_after_reload,
7967         compute_hash_table_after_reload,
7968         eliminate_partially_redundant_loads, gcse_after_reload,
7969         get_bb_avail_insn, gcse_after_reload_main): Remove.
7970         * postreload-gcse.c: New file, reincarnating most of the above.
7971         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
7972         (gcse_after_reload_main): Update prototype.
7973         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
7974         * passes.c (rest_of_handle_gcse2): Use it.
7975
7976 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
7977
7978         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
7979         (pass_loop_done): Likewise.
7980
7981 2004-08-18  Andrew Pinski  <apinski@apple.com>
7982
7983         * config/rs6000/darwin.md: Delete the altivec patterns which are
7984         handled differently now.
7985         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
7986         (macho_correct_pic_di): Likewise.
7987         (call_indirect_nonlocal_darwin64): Likewise.
7988         Delete the save world/saveFP/saveVec patterns.
7989
7990         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
7991         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
7992         * config/rs6000/rs6000.md: Include darwin.md.
7993         (builtin_setjmp_receiver): Add DImode case.
7994         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
7995         Darwin bits.
7996
7997 2004-08-18  Matt Austern  <austern@apple.com>
7998
7999         Dead code stripping
8000         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
8001         * darwin.c (darwin_file_end): Mark file as potentially strippable.
8002
8003 2004-08-18  Richard Henderson  <rth@redhat.com>
8004
8005         * alias.c (readonly_fields_p): Remove.
8006         (objects_must_conflict_p): Don't call it.
8007         * tree.h (readonly_fields_p): Remove.
8008         * langhooks.h (struct lang_hooks): Remove honor_readonly.
8009         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
8010
8011 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
8012
8013         * tree-dfa.c (add_referenced_var): Only global variables are
8014         call-clobbered.
8015         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
8016         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
8017         all pointers dereferenced if the statement dereferences them.
8018         (create_name_tags): Do not create memory tags for pointers
8019         that have PT_ANYTHING set.
8020         Also check if PT_VARS is not empty before creating a name tag.
8021         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
8022         variables that share the same alias set with a pointer that
8023         may point anywhere.
8024         (add_may_alias): Add FIXME comment to remove clobbering
8025         aliased variables and tags.
8026         (replace_may_alias): Likewise.
8027         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
8028         (merge_pointed_to_info): If the original variable has not
8029         points-to information, call set_pt_anything.
8030         (add_pointed_to_var): Do not prevent adding a pointed-to
8031         variable if the pointers is PT_ANYTHING.
8032         If the variable is a global, set PT_GLOBAL_MEM.
8033         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
8034         pointer type only come in PTR+OFFSET flavours.
8035         Always call merge_pointed_to_info on PHI arguments that are
8036         SSA_NAMEs.
8037         (get_nmt_for): Mark call-clobbered tags whose pointer points
8038         to global memory.
8039         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
8040         values.
8041         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
8042         FLAGS.
8043         (add_stmt_operand): Abort if the caller tried to add a killing
8044         definition for a memory tag.
8045         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
8046         unnecessary checks.
8047
8048 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
8049
8050         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
8051         from call_used_regs.  Update call_really_used_regs.
8052         (CALL_REALLY_USED_REGISTERS): Define.
8053         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
8054         Replace call_used_regs with call_really_used_regs.
8055         (calc_live_regs, sh_media_register_for_return): Likewise.
8056         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
8057         * sh.md (return_media): Likewise.
8058
8059 2004-08-18  Andrew Pinski  <apinski@apple.com>
8060
8061         * config/darwin.c (machopic_legitimize_pic_address): Only set
8062         MEM_READONLY_P in the non TARGET_TOC case.
8063
8064 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
8065
8066         * rtl.def (NIL): Delete.
8067         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
8068         Tighten the syntax a little.
8069
8070         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
8071         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
8072         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
8073         * config/i386/predicates.md, config/m32r/m32r.h
8074         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
8075         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
8076         * config/sparc/sparc.h, doc/tm.texi:
8077         Replace all occurrences of NIL with UNKNOWN.
8078
8079 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
8080
8081         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
8082         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
8083         sequence inline.  Move drop_through_label code into this
8084         block, being the only place it is used.  Adjust comments.
8085
8086 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
8087
8088         * config/rs6000/altivec.md: Add new patterns for calls to
8089         save_world/rest_world functions.
8090
8091         * config/rs6000/rs6000-protos.h: (save_world_operation,
8092         restore_world_operation) new declarations.
8093
8094         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
8095         field added.
8096         (rs6000_stack_info): Set world_save_p field.
8097         (save_world_operation): New function.
8098         (restore_world_operation): New function.
8099         (compute_save_world_info): New function.
8100         (rs6000_stack_info): Call compute_save_world_info.
8101         (rs6000_emit_prologue): Check for world_save_p and generate
8102         pattern to call save_world for saving all non-volatile and
8103         special registers.
8104         (rs6000_emit_epilogue): Check for world_save_p and generate
8105         pattern to call rest_world to restore saved registers.
8106
8107         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
8108         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
8109         (rs6000_reg_names): New entries added for save_world_operation and
8110         restore_world_operation.
8111
8112 2004-08-18  Caroline Tice  <ctice@apple.com>
8113
8114         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
8115         "-freorder-blocks-and-partition" to the flags used in second
8116         stage of profiledbootstrap.
8117         * bb-reorder.c (push_to_next_round_p): Add new variable,
8118         next_round_is_last; set and use variable to make sure, when
8119         partitioning, that the last trace construction round consists
8120         of all (and only) cold basic blocks.
8121         (rotate_loop): Don't copy blocks that end in a section
8122         crossing jump.
8123         (copy_bb): Correctly initialize "partition" of duplicated bb.
8124         (add_unlikely_executed_notes): Add a comment.
8125         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
8126         to make sure, if function contains hot blocks, that the
8127         successors of ENTRY_BLOCK_PTR are hot; also, only look for
8128         crossing edges if the architecture supports named sections.
8129         (mark_bb_for_unlikely_executed_section): Modify to always
8130         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
8131         the basic block note insn.
8132         (fix_crossing_unconditional_branches): Remove extra space.
8133         (fix_edges_for_rarely_executed_code): Modify to only do
8134         partitioning work if the architecture supports named sections.
8135         (reorder_basic_blocks): Modify to only add
8136         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
8137         supports named sections.
8138         * c-common.c (handle_section_attribute): Initialize new global
8139         variable, user_defined_section_attribute, to true if user has
8140         specified one.
8141         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
8142         forward edges that cross section boundaries.
8143         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
8144         partitioning information if the architecture supports named
8145         sections.
8146         * cfgrtl.c (target.h): Add statement to include this.
8147         (rtl_split_block): Make sure newly created bb gets correct
8148         partition.
8149         (try_redirect_by_replacing_jump): Make sure redirection isn't
8150         attempting to cross section boundaries.
8151         (force_nonfallthru_and_redirect): Only do partition fix up if
8152         architecture supports named sections.
8153         (rtl_split_edge): Make sure newly created bb ends up in
8154         correct partition.
8155         (commit_one_edge_insertion): Remove code that incorrectly
8156         updated basic block partition; Make sure partition fix up only
8157         happens if architecture supports named sections and it's not
8158         already done.
8159         (rtl_verify_flow_info_1): Fix if-condition on test/error
8160         condition that fallthru edges are not allowed to cross section
8161         boundaries.
8162         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
8163         * final.c (final_scan_insn): Remove redundant test from if-statement;
8164         change calls to text_section into calls to function_section; add code
8165         to only to partitioning fix up if architecture supports named
8166         sections.
8167         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
8168         partition.
8169         (if_convert): Add targetm.have_named_sections to test.
8170         * output.h (unlikely_section_label): Extern declaration for new global
8171         variable.
8172         (unlikely_text_section_name): Likewise.
8173         * opts.c (decode_options): If both partitioning and DWARF debugging
8174         are turned on, issue a warning that this doesn't work, and change
8175         partitiong to basic block reordering (without hot/cold partitions).
8176         * passes.c (rest_of_handle_final): Re-set new global variable,
8177         user_defined_section_attribute, to false.
8178         (rest_of_compilation): Change options for calling partitioning
8179         function: Don't call if the user defined the section attribute, and
8180         don't call if DECL_ONE_ONLY is true for the current function.
8181         * predict.c (choose_function_section): Return immediately if we
8182         are doing hot/cold partitioning (i.e. let the basic block partitioning
8183         determine where the function belongs).
8184         * reg-stack.c (emit_swap_insn): Add condition to step over
8185         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
8186         * toplev.c (user_defined_section_attribute): New global variable.
8187         * toplev.h (user_defined_section_attribute): Extern declaration
8188         for new global variable.
8189         * varasm.c (unlikely_section_label): New global variable.
8190         (unlikely_text_section_name): New global variable.
8191         (unlikely_text_section): Add code to initialize
8192         unlikely_text_section_name if necessary; modify to use
8193         unlikely_text_section_name and unlikely_section_label; also to use
8194         named_section properly.
8195         (in_unlikely_text_section):  Modify to work correctly with
8196         named_section and to use unlikely_text_section_name.
8197         (named_section):  Add code to work properly with cold section.
8198         (function_section): Clean up if-statement.
8199         * config/darwin.c (darwin_asm_named_section): Return to original
8200         code, removing use of SECTION_FORMAT_STRING.
8201         * config/arm/pe.h (switch_to_section):  Add case for
8202         in_unlikely_executed_text to switch statement.
8203         * config/i386/cygming.h (switch_to_section): Likewise.
8204         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
8205         (SECTION_FORMAT_STRING): Likewise.
8206         * config/mcore/mcore.h (switch_to_section): Likewise.
8207         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
8208         (SECTION_FORMAT_STRING): Remove.
8209
8210 2004-08-18  Roger Sayle  <roger@eyesopen.com>
8211
8212         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
8213         -ffixed-reg safe, by preserving the meanings of zero and one.
8214         (CALL_USED_REGISTERS): Likewise.
8215         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
8216
8217 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
8218
8219         * config/sh/sh.c (split_branches): Check the result of
8220         next_active_insn.
8221         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
8222         Call rtl_register_cfg_hooks.
8223
8224 2004-08-18  Richard Henderson  <rth@redhat.com>
8225
8226         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
8227         * alias.c (true_dependence): Update to match new semantics.
8228         (canon_true_dependence, write_dependence_p): Likewise.
8229         (anti_dependence, output_dependence): Update write_dependence_p args.
8230         (unchanging_anti_dependence): Remove.
8231         * calls.c (purge_mem_unchanging_flag): Remove.
8232         (fixup_tail_calls): Don't call it.
8233         (expand_call): Don't add unchanging memory to function usage.
8234         * expr.c (emit_block_move_via_libcall): Likewise.
8235         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
8236         (get_subtarget): Don't use RTX_UNCHANGING_P.
8237         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
8238         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
8239         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
8240         * cse.c (insert): Don't use RTX_UNCHANGING_P.
8241         (cse_insn, canon_hash): Use MEM_READONLY_P.
8242         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
8243         instead of RTX_UNCHANGING_P.
8244         * explow.c (maybe_set_unchanging): Remove.
8245         * expr.h (maybe_set_unchanging): Remove.
8246         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
8247         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
8248         (assign_parm_setup_reg, expand_function_start): Likewise.
8249         * integrate.c (copy_rtx_and_substitute): Likewise.
8250         * ra-rewrite.c (emit_colors): Likewise.
8251         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
8252         (fixup_match_1): Likewise.
8253         * reload1.c (reload, alter_reg): Likewise.
8254         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
8255         not RTX_UNCHANGING_P.
8256         (equiv_init_varies_p): Likewise.
8257         * loop-invariant.c (check_maybe_invariant): Likewise.
8258         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
8259         * loop.c (note_addr_stored): Likewise.
8260         (prescan_loop): Likewise. Don't check function usage for clobbered
8261         unchanging memory.
8262         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
8263         not RTX_UNCHANGING_P.
8264         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
8265         * varasm.c (force_const_mem): Likewise.
8266         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
8267         * web.c (entry_register): Likewise.
8268         * tree-gimple.h (get_base_address): Move decl ...
8269         * tree.h: ... here.
8270         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
8271
8272         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
8273         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
8274         (alpha_set_memflags): Update to match.
8275
8276         * config/darwin.c (machopic_indirect_data_reference): Set
8277         MEM_READONLY_P instead of RTX_UNCHANGING_P.
8278         (machopic_indirect_call_target): Likewise.
8279         (machopic_legitimize_pic_address): Likewise.
8280         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
8281         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
8282         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
8283         * config/frv/frv.md (symGOT2reg): Likewise.
8284         * config/i386/i386.c (legitimize_pic_address,
8285         legitimize_tls_address, ix86_split_to_parts): Likewise.
8286         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
8287         * config/ia64/ia64.md (load_fptr): Likewise.
8288         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
8289         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
8290         * config/mcore/mcore.c (block_move_sequence): Likewise.
8291         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
8292         * config/pa/pa.c (legitimize_pic_address): Likewise.
8293         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
8294         (rs6000_emit_move): Likewise.
8295         * config/s390/s390.c (legitimize_pic_address): Likewise.
8296         (legitimize_tls_address): Likewise.
8297         * config/s390/s390.md (casesi): Likewise.
8298         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
8299         * config/sh/sh.md (symGOT2reg): Likewise.
8300         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
8301         * config/v850/v850.md (casesi): Likewise.
8302
8303         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
8304         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
8305         * config/mips/mips.c (mips_restore_gp): Likewise.
8306         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
8307         * config/sh/sh.c (sh_reorg): Likewise.
8308
8309 2004-08-18  Richard Henderson  <rth@redhat.com>
8310
8311         * tree.h (struct tree_decl): Add gimple_formal_temp.
8312         (DECL_GIMPLE_FORMAL_TEMP_P): New.
8313         * gimplify.c (pop_gimplify_context): Clear it.
8314         (lookup_tmp_var): Set it, if is_formal.
8315         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
8316         Use is_gimple_val for VECTOR.  Simplify return value.
8317         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
8318         (gimplify_expr): Likewise.
8319         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
8320         is_gimple_tmp_rhs for clarity.  Update all callers.
8321         (is_gimple_reg_rhs): Simplify logic.
8322         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
8323         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
8324         (is_gimple_formal_tmp_reg): Similarly.
8325         * tree-gimple.h: Update decls.
8326         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
8327         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
8328         * tree-ssa-live.c (var_union, type_var_init): Likewise.
8329
8330 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
8331
8332         * c4x.c (legitimize_operands): Remove calls to
8333         preserve_subexpressions_p.
8334
8335 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
8336
8337         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
8338         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
8339
8340 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
8341
8342         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
8343         Objective-C++ extensions.
8344         * gengtype.c (get_file_basename): Match entire subdirectory name
8345         ('cp', 'objc', 'objcp') rather than just its suffix.
8346         (get_base_file_bitmap): Allow for files to belong to more than one
8347         language.
8348         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
8349         used by more than one front-end.
8350
8351 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
8352
8353         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
8354         avoid use of preserve_subexpressions_p.
8355
8356 2004-08-17  Richard Henderson  <rth@redhat.com>
8357
8358         PR 17051
8359         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
8360
8361 2004-08-17  DJ Delorie  <dj@redhat.com>
8362
8363         * doc/extend.texi: Document new xstormy16 attribute.
8364
8365         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
8366         (xstormy16_splittable_below100_or_register): New.
8367         (combine_bnp): New.
8368         (xstormy16_reorg): New.
8369         (TARGET_MACHINE_DEPENDENT_REORG): Define.
8370
8371         * config/stormy16/stormy16.md (movqi_internal): Make name public.
8372         (movhi_internal): Likewise.
8373         (cbhranchhi): Likewise.
8374         (cbhranchhi_neg): Likewise.
8375         (andhi3): Only allow splittable below100 operands.
8376         (iorhi3): Likewise.
8377         (peephole2): New and/zero_extend->and peephole.
8378         (peephole2): New load/ior/save->set1 peephole.
8379         (peephole2): New load/and/save->clr1 peephole.
8380         (bclrx, bclrx2, bclr7, bclr15): New.
8381         (bsetx, bsetx2, bset7, bset15): New.
8382
8383         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
8384         liberal about acceptable 'B' masks.
8385
8386         * config/stormy16/stormy16-protos.h
8387         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
8388         xstormy16_below100_operand, xstormy16_below100_or_register,
8389         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
8390         (PREDICATE_CODES): Add new predicates.
8391
8392         * config/stormy16/stormy16.c
8393         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
8394         xstormy16_below100_operand, xstormy16_below100_or_register,
8395         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
8396         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
8397         (xstormy16_legitimate_address_p): Allow below100 symbols.
8398         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
8399         (xstormy16_expand_move): Leave below100 operands as-is.
8400         (xstormy16_encode_section_info): Encode below100 symbols.
8401         (xstormy16_strip_name_encoding): New.
8402         (xstormy16_print_operand): Print 'b' as shift mask.
8403         (xstormy16_attribute_table): Add below100 attributes.
8404         (xstormy16_handle_below100_attribute): New.
8405
8406         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
8407         (XSTORMY16_SECTION_FUNCTION): New.
8408         (EXTRA_SECTION_FUNCTIONS): Define using the above.
8409         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
8410         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
8411         (ASM_OUTPUT_LABELREF): Define.
8412
8413         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
8414         (movhi_internal): Add below100 support.
8415         (andhi3): Add below100 support.
8416         (iorhi3): Add below100 support.
8417         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
8418
8419 2004-08-17  James E Wilson  <wilson@specifixinc.com>
8420
8421         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
8422         of VOIDmode for comparison code mode.
8423         * config/mips/mips.md: For conditional move patterns, use mode of
8424         first compare operand for comparison mode, instead of VOIDmode.
8425
8426         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
8427         normal and -ffast-math code.
8428
8429 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
8430
8431         PR c++/15871
8432         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
8433
8434 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
8435
8436         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
8437
8438 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
8439
8440         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
8441         for non Darwin targets.
8442         (*call_value_nonlocal_darwin64): Likewise.
8443
8444 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
8445
8446         * config/rs6000/rs6000.c (rs6000_function_value): Check for
8447         altivec mode for altivec return register.
8448
8449 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
8450
8451         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
8452         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
8453         * config/rs6000/rs6000.md: Include darwin.md.
8454         (builtin_setjmp_receiver): Add DImode case.
8455         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
8456         Darwin bits.
8457
8458 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
8459
8460         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
8461         trees.
8462         * tree-vectorizer.h: New File: Same.
8463         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
8464         * common.opt (ftree-vectorize): New flag to enable vectorization.
8465         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
8466         vectorization pass.
8467         * tree-data-ref.h (init_data_ref): Additional argument.
8468         (array_base_name_differ_p): Moved to tree-data-ref.c.
8469         * tree-data-ref.c (array_base_name_differ_p): Revised.
8470         (initialize_data_dependence_relation): Call array_base_name_differ_p
8471         with an extra argument.
8472         (analyze_all_data_dependences): Same.
8473         (init_data_ref): Additional argument is_read to set DR_IS_READ.
8474         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
8475         file.
8476         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
8477         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
8478         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
8479         vectorization pass.
8480         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
8481         (tree_ssa_loop_done): Call scev_finalize.
8482         (tree_vectorize): Define the new vectorization pass.
8483         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
8484         size of the vector they support (until support for multiple vector
8485         sizes is added to the vectorizer).
8486         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
8487         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
8488         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
8489         documentation.
8490
8491 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
8492
8493         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
8494         usage.
8495         (generate_protocol_list, handle_impent): Likewise.
8496
8497 2004-08-17  Roger Sayle  <roger@eyesopen.com>
8498
8499         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
8500         ensure that call_used_regs is a superset of both fixed_regs and
8501         call_really_used_regs.
8502
8503 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
8504
8505         PR target/17019
8506         * arm.md (addsi3_cbranch_scratch): Correct case labels.
8507
8508 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
8509
8510         PR middle-end/17036
8511         * fold-const.c (fold): Check for integer operand when
8512         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
8513         Pinski  <pinskia@physics.uc.edu>.
8514
8515 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
8516
8517         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
8518         No need to check if in a cross configuration.
8519         * configure: Regenerate.
8520
8521         * calls.c (precompute_register_parameters):
8522         Inline preserve_subexpressions_p ().
8523         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
8524         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
8525         Likewise.
8526         * expr.c (get_subtarget): Likewise.
8527         * rtl.h (preserve_subexpressions_p): Remove.
8528         * stmt.c (preserve_subexpressions_p): Remove.
8529
8530         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
8531         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
8532         Abort on gimplified cases.
8533
8534 2004-08-16  James E Wilson  <wilson@specifixinc.com>
8535
8536         * tree.h (VECTOR_FLOAT_TYPE_P): New.
8537         (FLOAT_TYPE_P): Use it.
8538         * c-typeck.c (build_binary_op): After convert calls, check for
8539         check for ERROR_MARK operands.
8540
8541 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
8542
8543         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
8544         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
8545         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
8546         (genobjs static pattern rule): Remove %.c dependency.
8547         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
8548         Rename rules; delete commands; fix dependencies.
8549         (mostlyclean): Do not delete temporary source copies.
8550         * configure.ac: Delete all references to BUILD_PREFIX and
8551         BUILD_PREFIX_1.
8552         * configure: Regenerate.
8553
8554         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
8555         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
8556         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
8557         with #ifndef GENERATOR_FILE so that nothing from those headers
8558         is used.
8559
8560         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
8561
8562 2004-08-16  Adam Nemet  <anemet@lnxw.com>
8563
8564         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
8565
8566 2004-08-16  Andrew Pinski  <apinski@apple.com>
8567
8568         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
8569         extraneous semicolon.
8570
8571 2004-08-16  Devang Patel  <dpatel@apple.com>
8572
8573         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
8574         * print-tree.c (print_node): Print DECL_PRESERVE_P.
8575         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
8576         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
8577         * target.h (struct gcc_target): New member, mark_decl_preserved.
8578         * hooks.c (hook_void_charptr): Rename to ...
8579         (hook_void_constcharptr): ... new name.
8580         * hooks.h (hook_void_charptr): Rename to ..
8581         (hook_void_constcharptr): ... new name.
8582         * tree.h (DECL_PRESERVE_P): New #define.
8583         (struct tree_decl): New member, preserve_flag.
8584         * varasm.c (assemble_start_function): Mark decl preserved.
8585         (assemble_variable): Same.
8586         * darwin.c (darwin_mark_decl_preserved): New function.
8587         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
8588         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
8589         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
8590
8591 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
8592
8593         * c-decl.c (grokdeclarator): Allow for function definition where
8594         innermost declarator has attributes.
8595
8596 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
8597
8598         * except.c (get_exception_filter, build_post_landing_pads,
8599         dw2_build_landing_pads): Use target-specific mode for 'filter'.
8600         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
8601         * target.h (eh_return_filter_mode): New field added.
8602         * targhooks.c (default_eh_return_filter_mode): Defined.
8603         * targhooks.h (default_eh_return_filter_mode): Declared.
8604         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
8605
8606 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
8607
8608         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
8609         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
8610         * configure: Regenerate.
8611
8612 2004-08-16  Stan Shebs  <shebs@apple.com>
8613
8614         Basic support for 64-bit Darwin.
8615         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
8616         (machopic_legitimize_pic_address): Similarly, plus use Pmode
8617         instead of SImode.
8618         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
8619         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
8620         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
8621         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
8622         (PROCESSOR_DEFAULT64): Define.
8623         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
8624         Darwin.
8625         * config/rs6000/rs6000.md: Include darwin.md.
8626         (builtin_setjmp_receiver): Add DImode case.
8627         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
8628         Darwin.
8629         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
8630         (rs6000_emit_move): Add DImode case to Darwin bits.
8631         (machopic_output_stub): Use .quad if 64-bit.
8632         * invoke.texi: Document -m32 and -m64.
8633
8634 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
8635
8636         * doc/extend.texi (AltiVec builtins): Document additional differences
8637         from the Motorola AltiVec PIM.
8638
8639 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
8640
8641         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
8642         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
8643         (struct tree_common): Update public_flag documentation.
8644
8645 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
8646
8647         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
8648         Check for artificial variables, not is_gimple_tmp_var.
8649         * tree-ssa-live.c (var_union): Likewise.
8650
8651 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
8652
8653         * calls.c (load_register_parameters): Remove spurious FIXME token.
8654
8655 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
8656
8657         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
8658         (c-lang.o): Depend on c-objc-common.h.
8659         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
8660         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
8661         * c-lang.c: Include c-objc-common.h.
8662         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
8663         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
8664         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
8665         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
8666         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
8667         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
8668         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
8669         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
8670         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
8671         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
8672         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
8673         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
8674         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
8675         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
8676         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
8677         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8678         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
8679         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
8680         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
8681         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
8682         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
8683         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
8684         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
8685         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
8686         Move to c-objc-common.h.
8687         * c-objc-common.c: Include c-objc-common.h.
8688         * c-objc-common.h: New file.
8689
8690 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
8691             Andrew Pinski  <pinskia@physics.uc.edu>
8692
8693         PR target/14931
8694         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
8695         style.
8696
8697 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
8698
8699         * tree.h (build_int_cst): New.
8700         (build_int_2): Remove.
8701         * tree.c (build_int_2): Remove.
8702         (build_int_cst): New.
8703         (make_vector_type, build_common_tree_nodes,
8704         build_common_tree_nodes_2): Use build_int_cst.
8705         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
8706         expand_builtin_strpbrk, expand_builtin_fputs,
8707         build_string_literal, expand_builtin_printf,
8708         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
8709         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
8710         fold_builtin_isdigit, simplify_builtin_strstr,
8711         simplify_builtin_strpbrk, fold_builtin_fputs,
8712         simplify_builtin_sprintf): Use build_int_cst.
8713         * c-common.c (start_fname_decls, fix_string_type,
8714         c_common_nodes_and_builtins, c_init_attributes,
8715         shorten_compare): Likewise.
8716         * c-decl.c (complete_array_type,
8717         check_bitfield_type_and_width): Likewise.
8718         * c-lex.c (interpret_integer, lex_charconst): Likewise.
8719         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
8720         * c-pretty-print.c (pp_c_integer_constant): Likewise.
8721         * c-typeck.c (really_start_incremental_init, push_init_level,
8722         set_nonincremental_init_from_string): Likewise.
8723         * calls.c (load_register_parameters): Likewise.
8724         * convert.c (convert_to_pointer): Likewise.
8725         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
8726         build_fn_info_type, build_ctr_info_value, build_gcov_info):
8727         Likewise.
8728         * except.c (init_eh, assign_filter_values, assign_filter_values):
8729         Likewise.
8730         * expmed.c (store_fixed_bit_field, extract_bit_field,
8731         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
8732         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
8733         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
8734         * expr.c (convert_move, emit_group_load, emit_group_store,
8735         expand_assignment, store_constructor, store_field,
8736         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
8737         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
8738         invert_truthvalue, optimize_bit_field_compare,
8739         decode_field_reference, all_ones_mask_p, constant_boolean_node,
8740         fold_div_compare, fold, fold_read_from_constant_string,
8741         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
8742         * function.c (assign_parm_setup_block): Likewise.
8743         * stmt.c (shift_return_value, expand_end_case_type,
8744         estimate_case_costs): Likewise.
8745         * stor-layout.c (layout_type, initialize_sizetypes,
8746         set_min_and_max_values_for_integral_type): Likewise.
8747         * tree-chrec.c (chrec_fold_multiply_poly_poly,
8748         reset_evolution_in_loop): Likewise.
8749         * tree-chrec.h (build_polynomial_chrec): Likewise.
8750         * tree-complex.c (build_replicated_const): Likewise.
8751         * tree-eh.c (honor_protect_cleanup_actions,
8752         lower_try_finally_onedest, lower_try_finally_copy,
8753         lower_try_finally_switch): Likewise.
8754         * tree-mudflap.c (mf_build_string, mx_register_decls,
8755         mudflap_register_call, mudflap_enqueue_constant): Likewise.
8756         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
8757         * tree-pretty-print.c (dump_generic_node): Likewise.
8758         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
8759         Likewise.
8760         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
8761         * tree-ssa-loop-niter.c (number_of_iterations_cond,
8762         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
8763         Likewise.
8764
8765         * config/alpha/alpha.c (alpha_initialize_trampoline,
8766         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
8767         * config/arm/arm.c (arm_get_cookie_size): Likewise.
8768         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8769         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
8770         * config/i860/i860.c (i860_va_start): Likewise.
8771         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
8772         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
8773         mips_gimplify_va_arg_expr): Likewise.
8774         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8775         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
8776         add_compiler_branch_island): Likewise.
8777         * config/s390/s390.c (s390_va_start): Likewise.
8778         * config/sh/sh.c (sh_va_start): Likewise.
8779         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
8780         Likewise.
8781         * config/xtensa/xtensa.c (xtensa_va_start,
8782         xtensa_gimplify_va_arg_expr): Likewise.
8783
8784         * objc/objc-act.c (build_objc_string_object,
8785         build_objc_symtab_template, init_def_list, init_objc_symtab,
8786         init_module_descriptor, generate_static_references,
8787         build_selector_translation_table, get_proto_encoding,
8788         build_typed_selector_reference, build_selector_reference,
8789         build_next_objc_exception_stuff,
8790         build_method_prototype_list_template, generate_descriptor_table,
8791         generate_protocols, build_protocol_initializer,
8792         build_ivar_list_template, build_method_list_template,
8793         build_ivar_list_initializer, generate_ivars_list,
8794         generate_dispatch_table, generate_protocol_list,
8795         build_category_initializer, build_shared_structure_initializer,
8796         generate_shared_structures, handle_impent,
8797         generate_objc_image_info): Use build_int_cst.
8798
8799 2004-08-15  Ben Elliston  <bje@au.ibm.com>
8800
8801         * vec.h: Comment improvements.
8802
8803 2004-08-14  Roger Sayle  <roger@eyesopen.com>
8804
8805         * c-common.c (shorten_compare, pointer_int_sum,
8806         c_common_truthvalue_conversion, boolean_increment): Replace calls
8807         to build with calls to buildN.
8808         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
8809         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
8810         gimplify_switch_stmt): Likewise.
8811         * c-typeck.c (default_function_array_conversion,
8812         build_component_ref, build_array_ref, build_function_call,
8813         pointer_diff, build_unary_op, build_conditional_expr,
8814         build_compound_expr, build_modify_expr, c_finish_goto_label,
8815         c_finish_goto_ptr, c_finish_return, c_finish_loop,
8816         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
8817         build_binary_op): Likewise.
8818
8819 2004-08-15  Steven Bosscher  <stevenb@suse.de>
8820
8821         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
8822
8823 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8824
8825         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
8826         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
8827         * fixinc/fixincl.x: Rebuilt.
8828
8829 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
8830
8831         * config/mips/mips-protos.h (mips_symbolic_constant_p)
8832         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
8833         (mips_small_data_pattern_p): Declare.
8834         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
8835         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
8836         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
8837         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
8838         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
8839         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
8840         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
8841         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
8842         (pc_or_label_operand, call_insn_operand, move_operand)
8843         (consttable_operand, symbolic_operand, general_symbolic_operand)
8844         (global_got_operand, local_got_operand, stack_operand)
8845         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
8846         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
8847         (mips_small_data_pattern_p): Replace previous small_data_pattern
8848         predicate.  Turn into a bool () (rtx) function.
8849         * config/mips/predicates.md: New file.
8850         * config/mips/mips.md: Include it.  Use the target-independent
8851         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
8852         trap_comparison_operator and equality_op to equality_operator.
8853         Replace uses of small_int with the equivalent const_arith_operand.
8854         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
8855         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
8856         to fcc_reload_operand.
8857         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
8858
8859 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8860
8861         PR libstdc++/17005 partial fix.
8862         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
8863         except when generating ANSI/C89 code.
8864
8865 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
8866
8867         * c-common.c (shorten_compare): Use force_fit_type directly.
8868
8869 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
8870             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
8871             Dave Korn  <dk@artimi.com>
8872
8873         * doc/install.texi (Building): Avoid duplicate reference to GNU
8874         make requirement.
8875         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
8876
8877 2004-08-14  Richard Henderson  <rth@redhat.com>
8878
8879         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
8880         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
8881
8882 2004-08-13  Richard Henderson  <rth@redhat.com>
8883
8884         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
8885         for constant_call_address_operand.
8886         (call_value_pop_1, call_value_1): Likewise.
8887         (sibcall_value_1, call_value_1_rex64): Likewise.
8888
8889 2004-08-13  James E Wilson  <wilson@specifixinc.com>
8890
8891         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
8892         Correct mode from SFmode to DFmode.
8893
8894 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
8895
8896         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
8897         __cstring_object and __image_info sections with the no_dead_strip
8898         attribute.
8899
8900 2004-08-13  Roger Sayle  <roger@eyesopen.com>
8901             David Billinghurst  <David.Billinghurst@riotinto.com>
8902
8903         PR libgfortran/15930
8904         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
8905         * fixinc/fixincl.x: Regenerate.
8906         * fixinc/tests/base/internal/math_core.h: New file.
8907
8908 2004-08-13  Richard Henderson  <rth@redhat.com>
8909
8910         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
8911         (dbxout_function_end): Remove ifdefs for it.
8912         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
8913
8914 2004-08-13  Richard Henderson  <rth@redhat.com>
8915
8916         * Makefile.in (insn-preds.o): Depend on TREE_H.
8917         * genpreds.c (write_insn_preds_c): Include tree.h.
8918         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
8919         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
8920         const48_operand, and_operand, or_operand, mode_width_operand,
8921         mode_mask_operand, mul8_operand, const0_operand,
8922         hard_fp_register_operand, hard_int_register_operand,
8923         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
8924         samegp_function_operand, direct_call_operand, small_symbolic_operand,
8925         global_symbolic_operand, call_operand, symbolic_operand,
8926         dtp16_symbolic_operand, dtp32_symbolic_operand,
8927         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
8928         gottp_symbolic_operand, alpha_comparison_operator,
8929         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
8930         signed_comparison_operator, alpha_fp_comparison_operator,
8931         divmod_operator, fix_operator, aligned_memory_operand,
8932         unaligned_memory_operand, reg_or_unaligned_mem_operand,
8933         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
8934         reg_no_subreg_operand, addition_operation): Move to predicates.md.
8935         (reg_or_const_int_operand): Remove.  Replace all users with
8936         reg_or_cint_operand.
8937         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
8938         (resolve_reload_operand): Split out of aligned_memory_operand.
8939         * config/alpha/alpha-protos.h: Update for exports.
8940         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
8941         * config/alpha/alpha.md: Include predicates.md.
8942         * config/alpha/predicates.md: New file.
8943
8944 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
8945
8946         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
8947         fields with a pointer to the instruction definition.
8948         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
8949         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
8950         (write_attr_case, write_const_num_delay_slots): Update accordingly.
8951         (write_attr_case, write_const_num_delay_slots): Write the name of
8952         an insn next to its case statement.
8953         * genoutput.c (data): Add a filename field.
8954         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
8955         (output_insn_data): Print the location of each insn definition.
8956         * genrecog.c (write_action): Print the name of an insn above
8957         the statement that returns its code.
8958
8959 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
8960
8961         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
8962         * config/libgloss.h: Likewise.
8963         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
8964         * c4x/c4x-modes.def: Likewise.
8965         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
8966         (c4x_rptb_nop_p): Likewise.
8967         (c4x_rptb_valid_p): Likewise.
8968         (c4x_rptb_insert): Likewise.
8969         (c4x_address_conflict): Likewise.
8970         * config/c4x/c4x.md: Likewise.
8971         * config/frv/frv.md: Likewise.
8972         * config/i386/athlon.md: Likewise.
8973         * config/i386/i386.md: Likewise.
8974         * config/i386/predicates.md: Likewise.
8975         * config/ia64/ia64.c: Likewise.
8976         * config/ia64/itanium1.md: Likewise.
8977         * config/ia64/itanium2.md: Likewise.
8978         * config/iq2000/iq2000.md: Likewise.
8979         * config/mcore/mcore.c: Likewise.
8980         * config/mips/mips.c: Likewise.
8981         * config/mips/r3900.h: Likewise.
8982         * config/mips/sb1.md: Likewise.
8983         * config/pa/milli64.S: Likewise.
8984         * config/pa/pa.c: Likewise.
8985         * config/pa/pa.h: Likewise.
8986         * config/rs6000/8540.md: Likewise.
8987
8988 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
8989
8990         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
8991
8992 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
8993
8994         * sh.md (cbranch define_delay) Use cond_delay_slot for
8995         non-anulled condition too.
8996
8997 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
8998
8999         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
9000         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
9001         any_parallel_operand, lmw_operation, stmw_operation,
9002         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
9003         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
9004         any_parallel_operand.
9005         (return_and_restore_fpregs_{si,di}): Same.
9006
9007 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
9008
9009         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
9010         if pred->singleton != PARALLEL, issue a warning and pretend it was.
9011         Also issue a warning for any predicate we don't know about.
9012
9013 2004-08-12  Richard Henderson  <rth@redhat.com>
9014
9015         * config/i386/i386.c (internal_label_prefix): Export.
9016         (internal_label_prefix_len, struct ix86_address,
9017         ix86_decompose_address, maybe_get_pool_constant,
9018         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
9019         memory_address_length): Export.
9020         (any_fp_register_operand, fp_register_operand,
9021         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
9022         x86_64_general_operand, x86_64_szext_general_operand,
9023         x86_64_nonmemory_operand, x86_64_movabs_operand,
9024         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
9025         x86_64_zext_immediate_operand, const_int_1_31_operand,
9026         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
9027         tls_symbolic_operand, global_dynamic_symbolic_operand,
9028         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
9029         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
9030         constant_call_address_operand, const0_operand, const1_operand,
9031         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
9032         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
9033         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
9034         general_no_elim_operand, nonmemory_no_elim_operand,
9035         index_register_operand, q_regs_operand, flags_reg_operand,
9036         non_q_regs_operand, zero_extended_scalar_load_operand,
9037         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
9038         ix86_comparison_operator, ix86_carry_flag_operator,
9039         fcmov_comparison_operator, promotable_binary_operator,
9040         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
9041         mult_operator, div_operator, arith_or_logical_operator,
9042         memory_displacement_operand, cmpsi_operand, long_memory_operand,
9043         aligned_operand): Move to predicates.md as define_predicates.
9044         (tls_symbolic_operand_1): Remove.
9045         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
9046         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
9047         (legitimize_address): Merge tls_symbolic_operand contents.
9048         (ix86_expand_move): Likewise.
9049         * config/i386/i386-protos.h: Update for exports.
9050         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
9051         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
9052         * config/i386/i386.md: Include predicates.md.
9053         * config/i386/predicates.md: New file.
9054
9055 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
9056
9057         PR c++/16924
9058         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
9059         SYMBOL_REF_DECL.
9060         (i386_pe_mark_dllimport): Likewise.
9061         (i386_pe_encode_section_info): Likewise, when overriding
9062         dllimport attribute.
9063
9064 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
9065
9066         * configure.ac: When testing for flex, nm, ar, and bison, check
9067         that they will actually be built.
9068         * configure: Regenerate.
9069
9070 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
9071
9072         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
9073         (MOVE_MAX_PIECES): Define.
9074
9075 2004-08-12  Devang patel  <dpatel@apple.com>
9076
9077         * dbxout.c (dbxout_begin_prologue): New function.
9078         (dbx_debug_hooks): Use new begin prologue hook.
9079         (dbxout_function_end): Emit N_ENSYM.
9080         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
9081
9082 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
9083
9084         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
9085         argument is float*.
9086
9087         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
9088         for vec_dss.
9089
9090         * doc/extend.texi (AltiVec builtins): Fix description for recent
9091         changes.  Update operation list to match current support.
9092
9093 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9094
9095         * config/s390/s390.c (struct s390_frame_layout): New struct as element
9096         of struct machine_function.
9097         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
9098         changed all uses.
9099         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
9100         changed all uses.
9101         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
9102         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
9103         (s390_frame_area, s390_register_info): New functions.
9104         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
9105         for base register.
9106         (s390_return_addr_rtx, s390_return_address_offset)
9107         (s390_va_start, s390_gimplify_va_arg)
9108         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
9109         layouts.
9110         (s390_frame_info): Functionality partly moved to s390_register_info.
9111         Made adaptions for new stack layout.
9112         (save_gprs, restore_gprs): Changed meaning of second parameter and
9113         adapted all callers.
9114
9115         * config/s390/s390.h (s390_backchain_string): New global variable.
9116         (MASK_BACKCHAIN): Removed definition.
9117         (TARGET_BACKCHAIN): Changed check.
9118         (TARGET_KERNEL_BACKCHAIN): New macro.
9119         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
9120         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
9121         "kernel-backchain".
9122         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
9123
9124         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
9125         as condition.  Adjusted for new stack layout.
9126
9127         * doc/invoke.texi: Added documentation for new option
9128         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
9129         "-mno-backchain".
9130
9131 2004-08-12  Paul Brook  <paul@codesourcery.com>
9132
9133         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
9134         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
9135
9136 2004-08-12  David Daney  <ddaney@avtrex.com>
9137
9138         * java/gcj.texi:  Add subsection on signal usage.
9139
9140 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
9141
9142         * expr.c (move_by_pieces): Set alignment for move to minimum of
9143         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
9144         alignment, but not less than the original alignment.
9145         (move_by_pieces_ninsns): Same.
9146         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
9147         (store_by_pieces_1): Same.
9148
9149 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
9150
9151         PR tree-optimization/16867
9152         * tree.c (is_global_var): New function.
9153         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
9154         Call is_global_var.
9155         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
9156         Update all users.
9157         (is_global_var): Declare.
9158         * tree-dfa.c (dump_variable): Display global and addressable
9159         attributes.
9160         (add_referenced_var): Clarify documentation when marking
9161         variables call-clobbered.
9162         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
9163         instead of needs_to_live_in_memory.
9164         (mark_call_clobbered): If the variable is a tag, mark it
9165         DECL_EXTERNAL.
9166         * tree-gimple.c (is_gimple_reg): Don't check for
9167         TREE_ADDRESSABLE.
9168         (is_gimple_non_addressable): Likewise.
9169         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
9170         needs to be marked call-clobbered.
9171         (setup_pointers_and_addressables): Call is_global_var instead
9172         of needs_to_live_in_memory.
9173         * tree-ssa-dce.c (need_to_preserve_store): Remove.
9174         Update all users with is_global_var.
9175         (mark_stmt_if_obviously_necessary): Fix processing of aliased
9176         stores.  Don't check the virtual definitions.  Rather, check
9177         whether the store is going into global memory.
9178         (find_obviously_necessary_stmts): Get the symbol from the PHI
9179         result.
9180         * tree-ssa-operands.c (get_call_expr_operands): Do not add
9181         clobbering may-defs if the call does not have side effects.
9182
9183 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
9184
9185         PR c++/16276
9186         * output.h (default_function_rodata_section,
9187         default_no_function_rodata_section): New prototypes.
9188         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
9189         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
9190         (TARGET_ASM_OUT): Add it.
9191         * varasm.c (default_function_rodata_section,
9192         default_no_function_rodata_section): New functions.
9193         * final.c (final_scan_insn): Call
9194         targetm.asm_out.function_rodata_section instead of
9195         readonly_data_section.
9196         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
9197         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
9198         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
9199         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
9200         Likewise.
9201         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
9202         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
9203         Likewise.
9204         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
9205         Likewise.
9206         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
9207         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
9208         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
9209
9210 2004-08-12  Paul Brook  <paul@codesourcery.com>
9211
9212         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
9213         frame info.
9214         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
9215         DWARF2_UNWIND_INFO.
9216
9217 2004-08-12  Ben Elliston  <bje@au.ibm.com>
9218
9219         PR target/16286
9220         * config/rs6000/altivec.h: Change vector to __vector throughout.
9221         (Except for the `vector' macro itself).
9222
9223 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
9224
9225         * genpreds.c: Add capability to generate predicate bodies as
9226         well as function prototypes.  Write function prototypes for
9227         the generic predicates too.
9228         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
9229         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
9230         (write_match_code, write_predicate_expr, write_one_predicate_function)
9231         (parse_option): New functions.
9232         (output_predicate_decls): Delete.
9233         (main): Read the machine description, process DEFINE_PREDICATE or
9234         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
9235         as appropriate.
9236
9237         * genrecog.c (struct decision_test): Replace index with
9238         struct pred_data pointer.
9239         (next_index): Remove, unused.
9240         (pred_table, preds, special_mode_pred_table): Delete.
9241         (compute_predicate_codes, process_define_predicate): New functions.
9242         (validate_pattern, add_to_sequence, write_switch): Update for
9243         new data structures.
9244         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
9245         Check both error_count and have_error.
9246
9247         * gensupport.c (in_fname, first_predicate): New globals.
9248         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
9249         (predicate_table, last_predicate, old_pred_table)
9250         (old_special_pred_table): New statics.
9251         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
9252         (add_predicate, init_predicate_table): New functions.
9253         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
9254         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
9255         it or max_include_len.  Call init_predicate_table.
9256         (read_rtx): Run the predicate queue after the attribute queue
9257         but before all the others.
9258         * gensupport.h (in_fname, struct pred_data, first_predicate)
9259         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
9260         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
9261         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
9262         * dummy-conditions.c: Don't include bconfig.h, system.h,
9263         coretypes.h, tm.h, or system.h.  Do include stddef.h.
9264         Duplicate declaration of struct c_test from gensupport.h.
9265
9266         * Makefile.in (OBJS-common): Add insn-preds.o.
9267         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
9268         (insn-preds.c, insn-preds.o): New rules.
9269         (s-preds): Also generate insn-preds.c.
9270         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
9271         Update dependencies.
9272         (print-rtl.o, print-rtl1.o): Correct dependencies.
9273
9274         * recog.h: Delete prototypes of predicate functions.
9275
9276         * doc/md.texi (Predicates): New section with complete
9277         documentation of operand/operator predicates.  Remove some
9278         incomplete documentation of predicates from other places.
9279         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
9280         PREDICATE_CODES; indicate that both are deprecated in favor
9281         of define_predicate/define_special_predicate.
9282
9283         * config/ia64/ia64.c: All predicate function definitions moved
9284         to ia64.md, except
9285         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
9286         (ia64_expand_load_address, ia64_expand_move):
9287         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
9288
9289         * config/ia64/ia64.md: All predicates now defined here.
9290         (symbolic_operand): Is now a special predicate.
9291
9292         * config/ia64/ia64.h: Declare ia64_section_threshold.
9293         (PREDICATE_CODES): Delete.
9294
9295 2004-08-12  Richard Henderson  <rth@redhat.com>
9296
9297         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
9298         * c-semantics.c (add_stmt): Set it.
9299         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
9300         before instantiating a variable sized type.
9301
9302 2004-08-12  Richard Henderson  <rth@redhat.com>
9303
9304         * stor-layout.c (round_up, round_down): Move ...
9305         * fold-const.c (round_up, round_down): ... here.  Use
9306         multiple_of_p to avoid any arithmetic at all.
9307
9308 2004-08-12  Richard Henderson  <rth@redhat.com>
9309
9310         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
9311         (gimplify_init_ctor_preeval_1): New.
9312         (gimplify_init_ctor_preeval): New.
9313         (gimplify_init_ctor_eval): New.
9314         (gimplify_init_constructor): Use them.  Always gimplify the LHS
9315         object first.
9316
9317 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
9318
9319         (This patch is part of merge of objc-improvements-branch
9320         into mainline.)
9321
9322         * doc/frontends.texi: Mention Objective-C++ in addition to
9323         Objective-C.
9324         * doc/install.texi: Add 'obj-c++' to list of configurable
9325         languages.
9326         * doc/invoke.texi: Rename Objective-C option headings to
9327         indicate they also apply to Objective-C++.  List file
9328         extensions for Objective-C++ sources.  Mention that
9329         ObjC and ObjC++ compilations may also use C and C++ options,
9330         respectively.  Point users to doc/standards.texi for
9331         further info on ObjC and ObjC++.
9332         * doc/sourcebuild.texi: Mention the objcp/ directory and
9333         the Objective-C++ sources it contains.
9334         * doc/standards.texi: Update link to Apple ObjC site;
9335         add link to gcc readings.html WWW doc.
9336
9337 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
9338
9339         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
9340         and 2004-07-14 changes.
9341
9342 2004-08-12  Paul Brook  <paul@codesourcery.com>
9343
9344         * doc/invoke.texi: Fix typo.
9345
9346 2004-08-11 Devang Patel  <dpatel@apple.com>
9347
9348         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
9349         and -no_dead_strip_inits_and_terms.
9350         (LINK_SPEC): Same.
9351         * doc/invoke.texi (Darwin Options): Document -dead_strip and
9352         -no_dead_strip_inits_and_terms.
9353
9354 2004-08-11  Paul Brook  <paul@codesourcery.com>
9355
9356         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
9357         (arm_load_pic_register): ... to this.
9358         * config/arm/arm.c (arm_finalize_pic): Rename ...
9359         (arm_load_pic_register): ... to this.  Always output insns at the
9360         current location.  Load via low reg in thumb mode.
9361         (arm_expand_prologue): Call arm_load_pic_register.
9362         (thumb_expand_prologue): Ditto.
9363         * config/arm/arm.h (FINALIZE_PIC): Remove.
9364         * config/arm/arm.md (builtin_setjmp_receiver): Call
9365         arm_load_pic_register.
9366
9367 2004-08-11  Paul Brook  <paul@codesourcery.com>
9368
9369         * arm.c (thumb_force_lr_save): Add prototype.
9370         (thumb_compute_save_reg_mask): New function.
9371         (thumb_find_work_register): New function.
9372         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
9373         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
9374         Don't clobber r3 when removing pretend args.
9375         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
9376         (thumb_output_function_prologue): Use new functions.
9377         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
9378         * arm.h (THUMB_REG_PUSHED_P): Remove.
9379
9380 2004-08-11  James E Wilson  <wilson@specifixinc.com>
9381
9382         PR rtl-optimization/16490
9383         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
9384         global_live_at_end for new basic block if already set for other blocks.
9385
9386 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
9387
9388         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
9389
9390         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
9391         (mfcr rlwinm rlwinm patterns): Set length to 12.
9392
9393 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
9394
9395         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
9396         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
9397         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
9398         (start_ssa_stmt_operands): Delete.
9399         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
9400         struct stmt_operands_d.
9401         (build_ssa_operands): New extern entry point.
9402         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
9403         building code, replace with create_ssa_artficial_load_stmt().
9404         * tree-ssa-operands.c (struct voperands_d): Delete.
9405         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
9406         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
9407         (free_uses, free_defs, free_vuses, free_v_may_defs,
9408         free_v_must_defs): Remove dealloc parameter.
9409         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
9410         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
9411         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
9412         vector comparisons, ssa_name reuse, and allocations here.
9413         (verify_start_operands): Delete.
9414         (finalize_ssa_stmt_operands): Set new operands by calling finalize
9415         routines.
9416         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
9417         (append_def, append_usei): Simplify to simple accumulation.
9418         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
9419         duplicates and simple accumulation.
9420         (free_ssa_operands): Free vectors in a stmt_operand structure.
9421         (build_ssa_operands): New. Create a new stmt_operand structure from
9422         a stmt and an old set of stmt_operands.
9423         (get_stmt_operands): Simplify and call build_ssa_operands.
9424         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
9425         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
9426         add_call_read_ops): Don't pass prev_vops around anymore.
9427         (note_addressable): Return if no stmt annotation.
9428         (copy_virtual_operands): Access v_may_def operands through a struct.
9429         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
9430         hash tables without treating the stmt as a real stmt.
9431         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
9432         v_may_def def and use through a struct instead of 2 array elements.
9433         (struct v_may_def_optype_d): Use v_may_def_operand_type.
9434         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
9435
9436 2004-08-11  Nick Clifton  <nickc@redhat.com>
9437
9438         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
9439         this funciton's behaviour.  Return true when the current function
9440         has a section attribute and -mlong-calls is in effect.
9441         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
9442         short-call marker when -mlong-calls is in effect and the function
9443         has a section attribute.
9444
9445 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
9446
9447         * stmt.c (expand_return): If asked to return the RESULT_DECL,
9448         just call expand_value_return on result_rtl.
9449
9450 2004-08-10  Richard Henderson  <rth@redhat.com>
9451
9452         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
9453         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
9454         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
9455         (add_location_or_const_value_attribute): ... not here.  Use
9456         loc_descriptor_from_tree if possible.
9457         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
9458         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
9459         values specially.
9460         (loc_descriptor_from_tree): New.  Update callers.
9461         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
9462         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
9463         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
9464         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
9465         and BUILT_IN_STACK_RESTORE.
9466         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
9467         * stmt.c (expand_stack_alloc): Remove.
9468         * tree-mudflap.c (mx_register_decls): Don't look for
9469         BUILT_IN_STACK_ALLOC.
9470         * tree-nested.c (convert_local_reference): Likewise.
9471         * tree.h (DECL_VALUE_EXPR): New.
9472
9473 2004-08-10  Richard Henderson  <rth@redhat.com>
9474
9475         * stor-layout.c (round_up): Check for 0/1 before dividing.
9476         (round_down): Likewise.
9477
9478         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
9479
9480 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
9481
9482         * config.gcc (arm*-*-eabi*): New target.
9483         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
9484         (TARGET_LIB_INT_CMP_BIASED): Likewise.
9485         * expmed.c (expand_divmod): Try a two-valued divmod function as a
9486         last resort.
9487         * gthr.h: Remove bogus tokens at end of #pragma.
9488         * optabs.c (expand_twoval_binop_libfunc): New function.
9489         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
9490         (prepare_float_lib_cmp): Try reversing the condition.
9491         (debug_optab_libfuncs): New function.
9492         * optabs.h (expand_twoval_binop_libfunc): Declare.
9493         * config/arm/arm.c (arm_init_libfuncs): New function.
9494         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
9495         (TARGET_INIT_LIBFUNCS): Define it.
9496         * config/arm/arm.h (TARGET_BPABI): New macro.
9497         * config/arm/arm-protos.h
9498         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
9499         * config/arm/bpabi.S: New file.
9500         * config/arm/bpabi.c: Likewise.
9501         * config/arm/bpabi.h: Likewise.
9502         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
9503         (__aeabi_drsub): Likewise.
9504         (__aeabi_dsub): Likewise.
9505         (__aeabi_dadd): Likewise.
9506         (__aeabi_ui2d): Likewise.
9507         (__aeabi_i2d): Likewise.
9508         (__aeabi_f2d): Likewise.
9509         (__aeabi_dmul): Likewise.
9510         (__aeabi_ddiv): Likewise.
9511         (__aeabi_cdrcmple): Likewise.
9512         (__aeabi_cdcmpeq): Likewise.
9513         (__aeabi_cdcmple): Likewise.
9514         (__aeabi_dcmpeq): Likewise.
9515         (__aeabi_dcmplt): Likewise.
9516         (__aeabi_dcmple): Likewise.
9517         (__aeabi_dcmpge): Likewise.
9518         (__aeabi_dcmpgt): Likewise.
9519         (__aeabi_dcmpun): Likewise.
9520         (__aeabi_d2iz): Likewise.
9521         (__aeabi_d2uiz): Likewise.
9522         (__aeabi_d2f): Likewise.
9523         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
9524         (__aeabi_frsub): Likewise.
9525         (__aeabi_fsub): Likewise.
9526         (__aeabi_fadd): Likewise.
9527         (__aeabi_ui2f): Likewise.
9528         (__aeabi_i2f): Likewise.
9529         (__aeabi_fmul): Likewise.
9530         (__aeabi_fdiv): Likewise.
9531         (__aeabi_cfrcmple): Likewise.
9532         (__aeabi_cfcmpeq): Likewise.
9533         (__aeabi_cfcmple): Likewise.
9534         (__aeabi_fcmpeq): Likewise.
9535         (__aeabi_fcmplt): Likewise.
9536         (__aeabi_fcmple): Likewise.
9537         (__aeabi_fcmpge): Likewise.
9538         (__aeabi_fcmpgt): Likewise.
9539         (__aeabi_fcmpun): Likewise.
9540         (__aeabi_f2iz): Likewise.
9541         (__aeabi_f2uiz): Likewise.
9542         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
9543         (__aeabi_uidivmod): New function or alias.
9544         (__aeabi_idivmod): Likewise.
9545         (__aeabi_idiv0): Likewise.
9546         (__aeabi_ldiv0): Likewise.
9547         (__aeabi_llsr): Likewise.
9548         (__aeabi_lasr): Likewise.
9549         (__aeabi_llsl): Likewise.
9550         (bpabi.S): Include it.
9551         * config/arm/libgcc-bpabi.ver: New file.
9552         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
9553         (LINK_SPEC): Remove.
9554         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
9555         __aeabi_ulcmp.
9556         * config/arm/t-bpabi: New file.
9557         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
9558         (TARGET_LIB_INT_CMP_BIASED): Likewise.
9559
9560 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
9561
9562         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
9563         * config/rs6000/rs6000.md (clrmemsi): New pattern.
9564         * config/rs6000/rs6000.c (expand_block_clear): New function.
9565         (expand_block_move): Convert alignment to bits.  Use SImode and
9566         HImode for unaligned addresses if not STRICT_ALIGNMENT.
9567
9568 2004-08-10  Caroline Tice  <ctice@apple.com>
9569
9570         * varasm.c (unlikely_section_label): New global variable.
9571         (unlikely_text_section_name): New global variable.
9572         (text_section):  Remove alignment statement.
9573         (unlikely_text_section): Remove alignment statement; use
9574         unlikely_section_label rather than hard-coded string.
9575         (assemble_start_function): Initialize unlikely_section_label and
9576         unlikely_text_section_name;  make sure cold section is properly
9577         aligned at start of function; output unlikely_section_label if
9578         appropriate.
9579
9580 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
9581
9582         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
9583         * config/s390/s390.c (s390_canonicalize_comparison): New function.
9584         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
9585         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
9586         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
9587         ("*tmqi_mem"): Remove SUBREG from pattern.
9588         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
9589         ("*andsi3_cconly"): Likewise.
9590
9591 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
9592
9593         PR target/16909
9594         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
9595
9596 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
9597
9598         * doc/sourcebuild.texi (compat testing): Document available test
9599         framework commands.  Use the preferred spelling of DejaGnu.
9600
9601 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
9602
9603         * lambda.h: Add matrix type, and prototypes for remainder of
9604         matrix and vector functions.
9605         (lambda_vector_mult_const): New function.
9606         (lambda_vector_negate): Ditto.
9607         (lambda_vector_add): Ditto.
9608         (lambda_vector_add_mc): Ditto.
9609         (lambda_vector_copy): Ditto.
9610         (lambda_vector_zerop): Ditto.
9611         (lambda_vector_equal): Ditto.
9612         (lambda_vector_min_nz): Ditto.
9613         (lambda_vector_first_nz): Ditto.
9614         (lambda_vector_matrix_mult): Ditto.
9615         * lambda-mat.c: New file.
9616         * Makefile.in (lambda-mat.o): New.
9617
9618 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
9619
9620         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
9621         after linking stmt into the program.
9622         (bsi_remove): Don't call modify_stmt.
9623         * tree-complex.c (update_complex_assignment,
9624         expand_complex_comparison): Call modify_stmt after changing the stmt.
9625         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
9626         removing the stmt.
9627         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
9628         the stmt, and only if needed.
9629         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
9630         expression.
9631         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
9632         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
9633         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
9634         (eliminate_redundant_computations): Don't pass an annotation. Call
9635         modify_stmt rather than setting the annotation directly.
9636         (record_equivalences_from_stmt): Remove unused local 'j'.
9637         (cprop_operand): Take a stmt rather than an annotation as a parameter.
9638         Call modify_stmt.
9639         (cprop_into_stmt): Pass stmt rather than annotation.
9640         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
9641         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
9642         modify_stmt.
9643         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
9644
9645 2004-08-10  Jason Merrill  <jason@redhat.com>
9646
9647         PR middle-end/16948
9648         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
9649         the RESULT_DECL.
9650
9651 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
9652
9653         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
9654         hash function.
9655
9656 2004-08-10  Roger Sayle  <roger@eyesopen.com>
9657
9658         * config/mips/mips.md: New reciprocal square root patterns that
9659         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
9660
9661 2004-08-10  Paul Brook  <paul@codesourcery.com>
9662
9663         * config/arm/arm-protos.h (arm_set_return_address,
9664         thumb_set_return_address): Add prototypes.
9665         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
9666         * config/arm/arm.c (arm_compute_func_type,
9667         use_return_insn, arm_compute_save_reg0_reg12_mask,
9668         arm_compute_save_reg_mask, arm_output_function_prologue,
9669         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
9670         current_function_calls_eh_return.
9671         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
9672         old eh code.
9673         (arm_set_return_address, thumb_set_return_address): New functions.
9674         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
9675         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
9676         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
9677         (epilogue): Use the stackadj register.
9678         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
9679
9680 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
9681
9682         PR target/3144
9683         * expr.c (move_by_pieces_ninsns): Add max_size argument.
9684         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
9685         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
9686         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
9687         but using MOVE_RATIO.
9688         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
9689         (can_store_by_pieces): Change max_size type to unsigned int.
9690         (store_by_pieces_1): Likewise.  Pass max_size to
9691         move_by_pieces_ninsns.
9692         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
9693         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
9694         to move_by_pieces_ninsns.
9695         (STORE_BY_PIECES_P): Define.
9696         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
9697         to move_by_pieces_ninsns.
9698         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
9699
9700         * config/i386/i386.h (CLEAR_RATIO): Define.
9701
9702 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
9703
9704         * expr.c (expand_expr_real_1): Add back code that was not dead.
9705
9706 2004-08-09  Andrew Pinski  <apinski@apple.com>
9707
9708         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
9709         which is found to be compatible before returning the aliasing set.
9710
9711 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
9712
9713         * ggc-zone.c (struct alloc_zone): Add statistics counters.
9714         (always_collect): New flag.
9715         (ggc_alloc_zone_1): Update statistics support.  Don't include
9716         overhead in allocated counter.
9717         (sweep_pages): Update allocated counter for large pages.  Don'y
9718         include overhead.
9719         (ggc_collect_1): Always collect.
9720         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
9721         whether to collect.
9722         (SCALE, LABEL): New macros.
9723         (ggc_print_statistics): Add statistics support.
9724
9725 2004-08-09  Roger Sayle  <roger@eyesopen.com>
9726
9727         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
9728         (init_expmed): Fix potential overrun problem with "all.reg".
9729         (expand_sdiv2_pow2): Add an alternate implementation for signed
9730         division, if the target provides a suitable conditional move insn.
9731
9732 2004-08-09  Paul Brook  <paul@codesourcery.com>
9733         Richard Henderson  <rth@redhat.com>
9734
9735         * unwind-dw2.c (uw_install_context_1): Update target saved stack
9736         pointer.
9737
9738 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
9739
9740         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
9741         Check DATA limit only if there's no AS limit.  Ignore insanely
9742         low DATA limits.
9743         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
9744         but take care that the AS limit isn't overrun.
9745         * doc/invoke.texi: Update documentation of min-heapsize parameter.
9746
9747 2004-08-09  Jeff Law  <law@redhat.com>
9748
9749         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
9750         (tree-ssa-threadupdate.o): Add dependencies.
9751         * tree-ssa-threadupdate.c: New file.
9752         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
9753         (rewrite_vars_out_of_ssa): Remove prototype.
9754         (cleanup_tree_cfg): Returns a bool.
9755         * tree.h (thread_through_all_blocks): Prototype.
9756         * tree-outof-ssa.c  (SSANORM_*): Move into here.
9757         (remove_ssa_form): Now static.
9758         (rewrite_vars_out_of_ssa): Kill.
9759         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
9760         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
9761         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
9762         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
9763         anything was changed.
9764         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
9765         from the PHI's annotation rather than the edge associated with
9766         the new argument.
9767         * tree-ssa-dom.c (redirection_edges): Kill.
9768         (redirect_edges_and_update_ssa_graph): Kill.
9769         (tree_ssa_dominator_optimize): Do not reset forwardable flag
9770         for blocks anymore.  Do not initialize redirection_edges.
9771         Call thread_through_all_blocks.  Simplify code for cleanup
9772         of the CFG and iterating.  No longer call cleanup_tree_cfg
9773         outside the iteration loop.
9774         (thread_across_edge): No longer mess with forwardable blocks.
9775
9776 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
9777
9778         * explow.c (memory_address): Use memory_address_p.
9779         * recog.c (general_operand): Likewise.
9780         * regrename.c: No need to define REG_OK_STRICT.
9781
9782 2004-08-09  Steven Bosscher  <stevenb@suse.de>
9783
9784         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
9785         New timers.
9786         * gcse.c: Include timevar.h.
9787         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
9788         and global_copy_prop_count.
9789         (local_const_prop_count, local_copy_prop_count): New static globals.
9790         (gcse_main): Set the right timevar for each pass.
9791         (cprop_jump): Increment global_const_prop_count when a constant is
9792         propagated.  Add "GLOBAL" to dump output.
9793         (cprop_insn): Increment global_const_prop_count when a constant is
9794         propagated, or global_copy_prop_count when a copy is propagated.
9795         (do_local_cprop): Likewise for local_const_prop_count and
9796         local_copy_prop_count.
9797         (one_cprop_pass): Initialize const/cprop counters to zero.
9798         Print out results of local and global const/cprop separately.
9799         (bypass_block): Break over-length line.
9800         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
9801         for bb-reorder.o and tracer.o.
9802
9803 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
9804
9805         * Makefile.in (GTFILES): Remove stmt.c
9806         (stmt.o): Do not depend on gt-stmt.h.
9807         * emit-rtl.c (emit_line_note): Do not call
9808         set_file_and_line_for_stmt.
9809         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
9810         do everything.
9811         * function.c (free_after_parsing): Do not free STMT field.
9812         (allocate_struct_function): Do not call init_stmt_for_function.
9813         (assign_stack_temp_for_type): Do not accept values of keep
9814         other than 0 or 1.
9815         (init_temp_slots): Do not initialize removed variables.
9816         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
9817         and X_VAR_TEMP_SLOT_LEVEL fields.
9818         * rtl.h (set_file_and_line_for_stmt): Remove.
9819         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
9820         struct stmt_status, cond_stack, case_stack, nesting_stack,
9821         nesting_depth, emit_locus, set_file_and_line_for_stmt,
9822         same_case_target_p, init_stmt_for_function, emit_nop,
9823         expand_start_cond, expand_start_elseif, expand_start_else,
9824         expand_elseif, expand_end_cond): Remove.
9825         (preserve_subexpressions_p): Remove references to CFUN->STMT.
9826         (expand_start_case, expand_end_case_type): Remove, merge into...
9827         (expand_case): ... this one, including other bits from
9828         expand_expr_real_1.  Inline same_case_target_p.  Turn members
9829         of CASE_STACK into local variables.
9830         (emit_case_bit_tests): Inline same_case_target_p.
9831         (add_case_node): Add HEAD argument, return new head of the list,
9832         do not handle default label here.
9833         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
9834         expand_start_elseif, current_nesting_level, expand_start_case,
9835         expand_end_case_type, expand_end_case, add_case_node,
9836         init_stmt_for_function, expand_elseif): Remove prototypes.
9837         (expand_case): Add prototype.
9838
9839 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
9840
9841         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
9842
9843 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
9844
9845         * expr.c (var_rtx): Remove.
9846         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
9847         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
9848         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
9849         Abort.
9850         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
9851         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
9852         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
9853
9854 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
9855         Ayal Zaks <zaks@il.ibm.com>
9856
9857         * common.opt (freschedule-modulo-scheduled-loops): New flag.
9858         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
9859         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
9860         when -freschedule-modulo-scheduled-loops flag is not specified.
9861         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
9862         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
9863         More accurate placing of insn in row of partial schedule.
9864         (ps_insn_find_column): New function.
9865         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
9866         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
9867         (schedule_region): Use sched_is_disabled_for_current_region_p.
9868         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
9869
9870 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
9871
9872         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
9873         change.
9874
9875 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
9876
9877         * config/i386/i386.c (ix86_expand_clrmem): Properly call
9878         gen_strset for 64bit target.
9879
9880 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
9881
9882         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
9883
9884 2004-08-07  Jason Merrill  <jason@redhat.com>
9885
9886         Make return in memory explicit.
9887         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
9888         (assign_parm_find_data_types): Remove code for old front end
9889         invisible reference handling.
9890         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
9891         (expand_function_end): Likewise.
9892         * gimplify.c (gimplify_return_expr): Handle a dereferenced
9893         RESULT_DECL.
9894         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
9895         (declare_return_variable): Handle DECL_BY_REFERENCE.
9896         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
9897         (cp_genericize_r): Use convert_from_reference.
9898         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
9899         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
9900
9901         * c-common.c (c_warn_unused_result): Check TREE_USED before
9902         warning about a CALL_EXPR with an unused value.
9903
9904 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
9905
9906         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
9907         to the compiler.  Use -fshort-wchar by default.
9908
9909 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
9910
9911         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
9912         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
9913         threshhold.
9914         * doc/invoke.texi (param): Document min-crossjump-insns.
9915
9916 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
9917
9918         PR c/13282
9919         * c.opt (Wmissing-field-initializers): New option.
9920         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
9921         * c-typeck.c (pop_init_level): Guard the missing field warning with
9922         warn_missing_field_initializers rather than extra_warnings.
9923         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
9924         some of the explanation from...
9925         (-Wextra): ...here.  Say that the missing field warning can be
9926         seperately controlled by -Wmissing-field-initializers.
9927
9928 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
9929
9930         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
9931         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
9932         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
9933         * tree.def (ENTRY_VALUE_EXPR): Remove.
9934
9935 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
9936
9937         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
9938         the places where it is actually needed.  Don't use repz; stosb
9939         for -Os with sufficiently small constant sizes.
9940         For sufficiently small repz; stos{l,q} repeat counts use a sequence
9941         of stos{l,q} instructions instead.
9942
9943 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9944
9945         PR tree-optimization/16807
9946         * loop-iv.c (dump_iv_info): Dump invariants correctly.
9947         (iv_subreg, iv_extend): Express value of invariant purely in
9948         base field.
9949
9950 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
9951
9952         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
9953         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
9954
9955 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
9956
9957         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
9958         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
9959         pre_dec_operand.
9960         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
9961         pattern until reload is finished to allow better code generation
9962         and split them completely into separate instrunctions.
9963         (*andsi3_split): New pattern.
9964
9965 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
9966
9967         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
9968         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
9969         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
9970         * tree.h (handle_dll_attribute): Declare.  Test
9971         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
9972         * c-common.h (c_determine_visibility): Declare.
9973         * c-common.c (c_determine_visibility): New function.
9974         * c-decl.c (finish_decl): Use it.
9975         (finish_function): Likewise.
9976         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
9977         zero, by default.  Use #if, not #ifdef, to test it.
9978         * config/arm/arm.c (arm_attribute_table): Use
9979         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
9980         #if.
9981         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
9982         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
9983         to 1.
9984         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
9985         * config/i386/i386.c (ix86_attribute_table): Use
9986         handle_dll_attribute for dllimport/dllexport.  Test
9987         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
9988         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
9989         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
9990         it to 1.
9991         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
9992         with #if.
9993         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
9994         it to 1.
9995         * doc/extend.texi (dllexport): Clarify and correct documentation.
9996         (dllimport): Likewise.
9997         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
9998         handle_dll_attribute.
9999
10000 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10001
10002         * tree-ssa-loop-manip.c: New file.
10003         * Makefile.in (tree-ssa-loop-manip.o): Add.
10004         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
10005         Declare.
10006         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
10007         form.
10008         (tree_ssa_loop_done): Verify loop closed ssa form.
10009         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
10010
10011 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10012
10013         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
10014         pa_asm_output_aligned_local): New functions.
10015         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
10016         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
10017         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
10018         pa_asm_output_aligned_common.
10019         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
10020         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
10021         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
10022         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
10023         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
10024         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
10025         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
10026         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
10027         common data.
10028
10029 2004-08-05  Andrew Pinski  <apinski@apple.com>
10030
10031         * objc/objc-act.c (build_objc_string_object): Mark the address
10032         expression as constant.
10033
10034 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
10035
10036         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
10037         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
10038         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
10039
10040 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10041
10042         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
10043         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
10044         out, and associated obsolete comments.
10045
10046 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
10047
10048         * tree.h (force_fit_type): Return a tree, take three flags.
10049         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
10050         TREE_CONSTANT_OVERFLOW here.
10051         (int_const_binop, const_binop): Adjust.
10052         (size_int_type): Do sign extension here.
10053         (fold_convert_const, optimize_bit_field_compare,
10054         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
10055         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
10056         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
10057
10058 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10059
10060         PR tree-optimization/16864
10061         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
10062         for ssa names without default_def.
10063
10064 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
10065
10066         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
10067         frame pointer, restore eax with an ebp-relative address.
10068
10069 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
10070
10071         PR 14516
10072         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
10073         * c-common.h (make_rtl_for_local_static): Delete.
10074         * c-decl.c (shadow_tag_warned): Clean up comment.
10075         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
10076         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
10077         * c-semantics.c (make_rtl_for_local_static): Delete.
10078         * expr.c (init_block_move_fn): Use set_user_assembler_name.
10079         (init_block_clear_fn): Likewise.
10080         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
10081         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
10082         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
10083         * tree.h (make_decl_rtl): Remove second parameter.
10084         (set_user_assembler_name): New.
10085         * varasm.c (set_user_assembler_name): New.
10086         (make_decl_rtl): Remove second parameter.  Update callers in many
10087         files.
10088
10089 2004-08-05  Adam Nemet  <anemet@lnxw.com>
10090
10091         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
10092         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
10093         to LynxOS 4.0.
10094         * gthr-lynx.h: New file.
10095         * config/lynx-ng.h: Remove file.
10096         * config/lynx.h: Update to LynxOS 4.0.
10097         * config/t-lynx: New file.
10098         * config/i386/lynx-ng.h: Remove file.
10099         * config/i386/lynx.h: Update to LynxOS 4.0.
10100         * config/rs6000/lynxbase.h: Remove file.
10101         * config/rs6000/lynx.h: Update to LynxOS 4.0.
10102         * config/rs6000/t-lynx: New file.
10103         * doc/install.texi (Options specification): Remove reference to
10104         LynxOS from systems where --with-gnu-as makes a difference.
10105
10106 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
10107
10108         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
10109         __UINTMAX_TYPE__.
10110         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
10111         __INTMAX_MAX__.
10112         (c_cpp_builtins): Call it.
10113         * doc/cpp.texi: Update.
10114
10115 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
10116
10117         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
10118         cost.
10119
10120 2004-08-04  Jan Hubicka  <jh@suse.cz>
10121
10122         * basic-block.h (profile_staus): New global variable.
10123         * cfg.c (profile_status): Declare.
10124         (check_bb_profile): Break out from ....; use profile_status
10125         (dump_flow_info): ... here.
10126         * cfgbuild.c (find_basic_blocks): Set profile_status.
10127         * cfgexpand.c (tree_expand_cfg): Likewise.
10128         * predict.c (estimate_probability): Likewise.
10129         * profile.c (branch_prob): Likewise.
10130         * tree-cfg.c (build_tree_cfg): Likewise.
10131         (dump_function_to_file): Use check_bb_profile.
10132         * tree-pretty-print (dump_bb_header): Likewise.
10133         * tree-profile.c (do_tree_profiling): Cleanup.
10134
10135 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
10136
10137         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
10138         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
10139         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
10140         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
10141         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
10142         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
10143         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
10144         (ggc-none.o, errors.o): Move rule to generators section;
10145         correct dependencies.
10146         (min-insn-modes.o): Move rule to generators section; remove
10147         unnecessary explicit command; correct dependencies.
10148         (print-rtl.o, print-rtl1.o): Correct dependencies.
10149         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
10150         (mostlyclean): Update.
10151
10152         * errors.c: Include bconfig.h not config.h.  Correct comment.
10153         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
10154         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
10155         * print-rtl.c: Don't include tm_p.h.
10156
10157         * rtl.h: Move forward-decl of struct function down where it's
10158         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
10159         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
10160
10161 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10162             Jeff Law  <law@redhat.com>
10163
10164         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
10165         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
10166         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
10167         manipulate the duplicated ssa names.
10168         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
10169         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
10170         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
10171         New functions.
10172         (release_ssa_name): Do not release ssa names that may have multiple
10173         definitions.
10174         * tree.h (release_ssa_name_force, mark_for_rewrite,
10175         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
10176         marked_ssa_names): Declare.
10177         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
10178         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
10179         Update call to rewrite_ssa_into_ssa.
10180
10181 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
10182
10183         * defaults.h (TARGET_DECLSPEC): New macro.
10184         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
10185         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
10186         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
10187         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
10188         __declspec support.
10189         (TARGET_DECLSPEC): Define.
10190         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
10191         __declspec support.
10192         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
10193         __declspec support.
10194         (TARGET_DECLSPEC): Define.
10195         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
10196         __declspec support.
10197         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
10198         support.
10199         * doc/tm.texi (TARGET_DECLSPEC): Document.
10200
10201         * doc/extend.texi: Fix typo in comment.
10202
10203 2004-08-04  Paul Brook  <paul@codesourcery.com>
10204
10205         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
10206         (TARGET_CXX): Use it.
10207         * target.h (struct gcc_target): Add cdtor_returns_this.
10208         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
10209         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
10210         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
10211
10212 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
10213
10214         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
10215         low/high pair. Do range checking directly.
10216         (interpret_integer): Adjust.
10217
10218 2004-08-04  Nick Clifton  <nickc@redhat.com>
10219
10220         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
10221         GCC ABI.
10222         * doc/invoke.texi: Document this new switch and also the -mrenesas
10223         switch.
10224
10225 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
10226
10227         * cfglayout.c (insn_locators_initialize): Update the current
10228         location before initializing a location.
10229
10230 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
10231
10232         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
10233         (dbxout_function_end): Return after emitting the "Lscope" symbol
10234         under the same conditions that this function formerly wasn't called.
10235         Add explanatory comments.
10236
10237         PR 14860
10238         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
10239         on the new decl.
10240
10241         PR 13956
10242         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
10243         functions, broken out of dbxout_block.
10244         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
10245         stabs too, if it contains symbols.  Use the begin_label and
10246         the Lscope label (emitted by dbxout_function_end) for the
10247         range of this block.
10248
10249 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
10250
10251         * doc/install.texi: Update autoconf version requirements.
10252
10253 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
10254
10255         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
10256         * recog.c (general_operand, immediate_operand, nonmemory_operand)
10257         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
10258         * regclass.c (record_reg_classes): Likewise.
10259         * reload.c (find_reloads): Likewise.
10260         * reload1.c (reload): Likewise.
10261
10262 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
10263
10264         * gensupport.c (init_md_reader_args_cb): Renamed from
10265         init_md_reader_args.  Add third option, callback function for
10266         parsing program-specific options.  Add diagnosis of incorrect
10267         number of input files.
10268         (init_md_reader): Fold into init_md_reader_args_cb.
10269         (init_md_reader_args): Now a thin wrapper around
10270         init_md_reader_args_cb.
10271         * gensupport.h: Update prototypes.
10272
10273         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10274         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10275         * genrecog.c: No need to diagnose lack of an input file;
10276         init_md_reader_args will handle it.
10277         * genconditions.c: Likewise, and use init_md_reader_args.
10278         * genconstants.c: Likewise, and no need to call read_md_rtx.
10279
10280 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
10281
10282         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
10283         declarations.
10284
10285 2004-08-03  Mike Stump  <mrs@apple.com>
10286
10287         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
10288         for frameworks.
10289         * doc/invoke.texi (Darwin Options): Update to reflect above.
10290
10291 2004-08-03  Roger Sayle  <roger@eyesopen.com>
10292
10293         PR middle-end/16790
10294         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
10295         truncations, not just global truncations.
10296
10297 2004-08-03  Andrew Pinski  <apinski@apple.com>
10298
10299         PR bootstrap/16865
10300         * loop-iv.c (simplify_using_assignment): Initialize lhs.
10301
10302 2004-08-03  Paul Brook  <paul@codesourcery.com>
10303
10304         * gcc/doc/install.texi: Document MPFR requirement.
10305
10306 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
10307
10308         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
10309         and mmap() explicitly instead of relying on preset autoconf cache
10310         variables.
10311         * configure: Regenerate.
10312
10313 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
10314
10315         PR target/16570
10316         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
10317         to tmake_file.
10318         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
10319         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
10320         to tmake_file.
10321
10322         * config/i386/t-gmm_malloc: New file.
10323         * config/i386/t-pmm_malloc: Likewise.
10324
10325         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
10326
10327 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
10328             Tanguy Fautrà <tfautre@pandora.be>
10329
10330         * config/i386/pmm_malloc.h: New file.
10331
10332 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
10333
10334         * config/i386/gmm_malloc.h: New file.
10335
10336 2004-08-03  Dale Johannesen  <dalej@apple.com>
10337
10338         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
10339         * c-common.c: Include opts.h.
10340         (c_common_get_alias_set): Fix check for a single input file.
10341         * toplev.c: Remove current_file_decl.
10342         * tree.h: Ditto.
10343
10344 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
10345
10346         * config.gcc (arm*-*-symbianelf*): New target.
10347         * config/arm/symbian.h: New file.
10348
10349         * gthr-gnat.c: Add visibility #pragmas.
10350         * gthr-gnat.h : Likewise.
10351         * gthr.h: Likewise.
10352         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
10353         (__ffsDI2): Likewise.
10354         (__clzSI2): Likewise.
10355         (__ctzSI2): Likewise.
10356         (__ctzDI2): Likewise.
10357         (__popcountSI2): Likewise.
10358         (__popcountDI2): Likewise.
10359         (__paritySI2): Likewise.
10360         (__parityDI2): Likewise.
10361         * libgcc2.h: Add visibility #pragmas.
10362         (__clzDI2): Add prototype.
10363         (__clzSI2): Likewise.
10364         (__ctzSI2): Likewise.
10365         (__ffsDI2): Likewise.
10366         (__ffsSI2): Likewise.
10367         (__ctzDI2): Likewise.
10368         (__popcountSI2): Likewise.
10369         (__popcountDI2): Likewise.
10370         (__paritySI2): Likewise.
10371         (__parityDI2): Likewise.
10372         * unwind-dw2-fde.h: Add visibility #pragmas.
10373         * unwind.h: Likewise.
10374
10375 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
10376             Dale Johannesen  <dalej@apple.com>
10377             Roger Sayle  <roger@eyesopen.com>
10378
10379         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
10380         constants more accurately.  Adjust costs for FMA instructions.
10381         Add cases for most logical and float operations.  Recurse into
10382         most operands.
10383
10384 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
10385
10386         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
10387
10388 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
10389
10390         * ra-build.c (conflicts_between_webs): For webs that cross a call add
10391         conflicts to regs_invalidated_by_call.
10392
10393 2004-08-03  Paul Brook  <paul@codesourcery.com>
10394
10395         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
10396
10397 2004-08-03  Jan Hubicka  <jh@suse.cz>
10398
10399         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
10400         ARRAY_REF argument.
10401
10402 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
10403
10404         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
10405         arm968es, arm10e, arm1020e, arm1022e.
10406         * invoke.texi: Update list of ARM cores.
10407         * arm-tune.md: Regenerate.
10408
10409 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
10410
10411         * arm/gentune.sh: New file.
10412         * arm/t-arm: New file.
10413         * arm/arm-tune.md: New file (autogenerated).
10414         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
10415         * arm.md (attribute tune): Delete.  Include arm-tune.md.
10416
10417 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
10418
10419         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
10420         penultimate parameter.  All callers adjusted.
10421         (struct prefix_list): Remove used_flag_ptr.
10422         (find_a_file): Do not set *pl->used_flag_ptr.
10423         (warn_B, warn_std_ptr): Remove.
10424
10425 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
10426             Mostafa Hagog <mustafa@il.ibm.com>
10427
10428         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
10429
10430 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
10431
10432         * dwarf2out.c (output_call_frame_info): Don't change data format
10433         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
10434         label.  Use 'true' not '1'.
10435         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
10436         required.
10437
10438 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10439
10440         * gdbinit.in: Reflect previous changes to rtunion_def.
10441
10442 2004-08-02  Roger Sayle  <roger@eyesopen.com>
10443
10444         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
10445         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
10446
10447 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10448
10449         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
10450         vec_p_reserve.
10451         * langhooks.h (lang_hooks::builtin_function): Rename parameter
10452         from "class" to "bt_class".
10453
10454 2004-08-02  Paul Brook  <paul@codesourcery.com>
10455
10456         PR rtl-optimization/15068
10457         * flow.c (init_propagate_block_info): Check condition is reversible.
10458
10459 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10460
10461         * gengtype.h (options::info): Change type to const char *.
10462         (enum gc_used_enum): Move out of struct type scope.
10463         * gengtype.c (create_option): Convert initializer for option::info to
10464         appropiate type.
10465         (adjust_field_type, walk_type, write_func_for_structure,
10466         write_root, write_roots): Remove pointless cast.
10467
10468 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
10469
10470         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
10471
10472 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
10473
10474         * rtl.h (union rtunion_def): Have all members  start with the
10475         prefix "rt_".
10476         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
10477         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
10478         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
10479         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
10480         access.
10481         * gengtype.c (adjust_field_rtx_def): Likewise.
10482         * rtlanal.c (loc_mentioned_in_p): Likewise.
10483
10484 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
10485
10486         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
10487         Replace uses of mips/elf64.h with mips/elf.h
10488         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
10489         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
10490         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
10491         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
10492         (HANDLE_SYSV_PRAGMA): Delete.
10493         (ASM_OUTPUT_DEF): Fix formatting.
10494         * config/mips/elf64.h: Delete.
10495
10496 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
10497
10498         * config/ia64/ia64.c (got_symbolic_operand): Do require a
10499         symbol+offset operand to have its offset be zero mod 0x3fff
10500         when GOT entries are in use.  Clarify logic in SYMBOL_REF
10501         case.  Clarify comments.
10502         (ia64_expand_load_address): Split a symbol+offset load when
10503         the offset is nonzero mod 0x3fff, not 0x1fff.
10504
10505 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
10506
10507         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
10508         if trying to *store* to a non-offsettable address.
10509         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
10510         a nonoffsettable address.
10511         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
10512         Clean up.
10513         (movti_string): Don't move GPRs to a nonoffsettable address.
10514         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
10515
10516 2004-08-02  Ben Elliston  <bje@au.ibm.com>
10517
10518         PR target/16155
10519         * config/rs6000/altivec.h: Replace typeof with __typeof__.
10520
10521 2004-08-01  Richard Henderson  <rth@redhat.com>
10522
10523         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
10524         variable sized types.
10525
10526 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
10527
10528         * doc/invoke.texi: In the MIPS options section, remove the passage
10529         saying that -mexplicit-relocs is usually disabled for -mabicalls
10530         -fno-unit-at-a-time.
10531         * config/mips/mips.c (override_options): Remove the code that enforced
10532         this rule.
10533
10534 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
10535
10536         * config/mips/mips.md (cprestore): Provide two alternatives, one for
10537         an in-range offset and one for an out-of-range offset.  Wrap the latter
10538         in .set macro/.set nomacro if it's inside a .set nomacro block.
10539
10540 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
10541
10542         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
10543         (mips_restore_gp): Declare.
10544         * config/mips/mips.c (mips_add_offset): Add a scratch register
10545         argument.  Reimplement in rtl only, reusing MIPS16 logic from
10546         mips_output_mi_thunk.
10547         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
10548         to mips_add_offset.
10549         (mips_gp_save_slot): Delete.
10550         (mips_restore_gp): New function.
10551         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
10552         * config/mips/mips.md (exception_receiver): Turn into a
10553         define_insn_and_split.  Use mips_restore_gp to do the split.
10554         (call_internal, call_value_internal, call_value_multiple_internal): Use
10555         mips_restore_gp to restore $gp.
10556
10557 2004-07-31  Andrew Pinski  <apinski@apple.com>
10558
10559         PR other/16842
10560         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
10561
10562 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
10563
10564         * c-decl.c (diagnose_mismatched_decls): Give error for external
10565         redeclaration of identifier declared with no linkage, not just
10566         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
10567         error for redeclaration with no linkage.
10568
10569 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
10570             Fariborz Jahanian <fjahanian@apple.com>
10571
10572         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
10573         non-offsettable addresses even for DImode.
10574         (rs6000_split_multireg_move): Cope with non-offsettable addresses
10575         being moved into multiple GPRs.
10576
10577         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
10578         to 64.
10579         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
10580         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
10581         to 128.
10582         * config/rs6000/darwin-ldouble.c (isless): New macro.
10583         (inf): New macro.
10584         (nonfinite): New macro.
10585         (FPKINF): Delete.
10586         (_xlqadd): Completely rewrite.
10587         (_xlqmul): Correct overflow handling.
10588         (_xlqdiv): Correct overflow handling.
10589         * config/rs6000/darwin-ldouble-format: New file.
10590
10591 2004-07-30  Roger Sayle  <roger@eyesopen.com>
10592             Richard Henderson  <rth@redhat.com>
10593
10594         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
10595         9 into the equivalent lea instruction.
10596
10597 2004-07-30  Richard Henderson  <rth@redhat.com>
10598
10599         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
10600         with DECL_INITIAL if fb_lvalue.
10601         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
10602         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
10603         with <Cxxx>.
10604         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
10605
10606 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
10607
10608         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
10609         pointer escapes through a function call, assume that the
10610         callee will dereference it.
10611         (add_pointed_to_var): Assume that VALUE is always an
10612         ADDR_EXPR.
10613         (collect_points_to_info_r): Only call add_pointed_to_var if
10614         the value is an ADDR_EXPR.
10615
10616 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
10617
10618         * tree-ssa-alias.c (create_alias_map_for): Do not get the
10619         alias set of the inner type of ARRAY_TYPEs.
10620
10621 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
10622
10623         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
10624         setting a non-register to UNDEFINED right before the call to
10625         set_lattice_value.
10626
10627 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
10628
10629         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
10630
10631 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
10632
10633         * tree-ssa.c (verify_flow_sensitive_alias_info): When
10634         comparing points-to sets of different pointers, make sure the
10635         second pointer is actually referenced in the code.
10636
10637 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
10638
10639         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
10640         (got_symbolic_operand): Remove unreachable code.
10641         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
10642         setjmp_operand; add entry for tls_symbolic_operand.
10643         * config/ia64/ia64-protos.h: Remove all prototypes of
10644         predicate functions.
10645
10646 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
10647
10648         * c-common.h (lang_post_pch_load): New variable.
10649         * c-pch.c (lang_post_pch_load): Define it.
10650         (c_common_read_pch): Use it.
10651         * cgraphunit.c (record_call_1): Give the front end a chance to
10652         record additional needed entities when a variable is marked as
10653         needed.
10654         * tlink.c (recompile_files): Robustify.
10655         (scan_linker_output): If a symbol is assigned to a file,
10656         but after recompilation is not present there, issue an error
10657         message.
10658
10659 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10660
10661         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
10662         Take orig_loop argument and pass it to set_level.
10663         (schedule_sm): Pass the correct orig_loop to force_move_till.
10664
10665 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10666
10667         * cfgloop.c (update_latch_info): Update dominator of the new block.
10668         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
10669         info.
10670         * dominance.c (verify_dominators): Check that the dominance tree is
10671         connected.
10672         (recount_dominator): Ignore unreachable blocks.
10673         (iterate_fix_dominators): Cleanup old dominance information before
10674         recomputing it.
10675
10676 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
10677
10678         * tree-ssa-operands.c (get_expr_operands): Revert changes
10679         to ADDR_EXPR processing introduced by:
10680             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10681             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
10682
10683 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
10684
10685         * doc/implement-c.texi: Add C90 subclause references.  Point to
10686         preprocessor documentation instead of duplicating it.  Add points
10687         only present in C90.  Fill in documentation for all points.
10688
10689 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10690
10691         * pa.c (output_movb): Correct typo.
10692
10693 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
10694
10695         * ra.h (single_reg_in_regclass): Declare.
10696         * ra.c (single_reg_in_regclass): Define.
10697         (first_hard_reg): New.
10698         (init_ra): Initialize single_reg_in_regclass.
10699         * ra-colorize.c (ok_class): New.
10700         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
10701
10702 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
10703
10704         * gcov-io.h: Allow zero tag as EOF indicator.
10705         (gcov_is_eof): Remove.
10706         (gcov_truncate): Remove.
10707         * gcov-io.c (gcov_seek): Always SEEK_SET.
10708         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
10709         EOF tag.
10710         * coverage.c (read_counts_file): Don't use gcov_is_eof.
10711         * gcov-dump.c (dump_file): Likewise.
10712         * gcov.c (read_graph_file, read_count_file): Likewise.
10713
10714         * c-decl.c (complete_array_type): Don't gratuitously copy
10715         maxindex.  Check it always has a type.
10716
10717 2004-07-29  Steven Bosscher  <stevenb@suse.de>
10718
10719         * rtl.c (currently_expanding_to_rtl): New.
10720         * rtl.h (currently_expanding_to_rtl): Export it.
10721         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
10722
10723         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
10724         inliner hack.
10725         * config/sh/sh.c: Replace rtx_equal_function_value_matters
10726         with currently_expanding_to_rtl.
10727         * config/sh/sh.md: Likewise.
10728         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
10729
10730 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
10731
10732         Introduce sh2a support.
10733         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
10734         * config.gcc: Build multilibs for sh2a and sh2a-single by
10735         default.
10736         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
10737         default.  Split their tests out of the corresponding SH4
10738         multilibs.
10739         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
10740         multilibs for SH2a.
10741         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
10742         * config.gcc: Handle sh2a multilibs and cpu selection.
10743         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
10744         * config/sh/t-mlib-sh2a: New.
10745         * config/sh/t-mlib-sh2a-nofpu: New.
10746         * config/sh/t-mlib-sh2a-single: New.
10747         * config/sh/t-mlib-sh2a-single-only: New.
10748         2004-07-09  Nick Clifton  <nickc@redhat.com>
10749         Issue 43400
10750         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
10751         -ml and -m2a are used together.
10752         2004-03-23  DJ Delorie  <dj@redhat.com>
10753         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
10754         when we have a double-sized FPU.
10755         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
10756         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
10757         is set.
10758         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
10759         -msh2a-single and -msh2a-single-only
10760         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
10761         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
10762         is set.
10763         2004-02-20  DJ Delorie  <dj@delorie.com>
10764         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
10765         2004-02-20  Fred Fish <fnf@redhat.com>,
10766         Corinna Vinschen <vinschen@redhat.com>
10767         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
10768         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
10769         2004-02-18  DJ Delorie  <dj@redhat.com>
10770         * config/sh/sh.c (broken_move): Add support for movi20.
10771         * config/sh/sh.h: Likewise.
10772         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
10773         * config/sh/sh.md (udivsi3_sh2a): New.
10774         (udivsi3): Call it.
10775         (divsi3_sh2a): New.
10776         (divsi3): Call it.
10777         (mul_r): New.
10778         (ashlsi3_sh2a): New.
10779         (ashrsi3_sh2a): New.
10780         (lshrsi3_sh2a): New.
10781         (movsi_i): Disable for sh2a.
10782         (movsi_ie): Add movi20.
10783         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
10784         sh2a, for -m2a-nofpu mode.
10785         2004-02-13  DJ Delorie  <dj@redhat.com>
10786         * config/sh/lib1funcs.asm: Handle double vs single better.
10787         * config/sh/sh.h: Likewise.
10788         2004-02-09  DJ Delorie  <dj@redhat.com>
10789         * config/sh/crt1.asm: Add support for sh2a.
10790         * config/sh/elf.h: Likewise.
10791         * config/sh/lib1funcs.asm: Likewise.
10792         * config/sh/sh.c: Likewise.
10793         * config/sh/sh.md: Likewise.
10794         * config/sh/sh.h: Likewise.
10795         * config/sh/t-sh: Likewise.
10796
10797 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
10798
10799         * config/frv/frv.md (movqi_internal, movhi_internal,
10800         movsi_internal): Add backup alternatives for memory inputs.
10801
10802 2004-07-28  Matt Austern  <austern@apple.com>
10803
10804         * config/darwin.c (darwin_one_byte_bool): New global variable.
10805         * config/darwin.h (darwin_one_byte_bool): Declare.
10806         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
10807         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
10808         value of darwin_one_byte_bool.
10809         * doc/invoke.texi: Document -mone-byte-bool flag.
10810
10811 2004-07-28  Eric Christopher  <echristo@redhat.com>
10812
10813         * c-common.c (c_common_unsafe_for_reeval): Delete.
10814         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
10815         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
10816         * calls.c (fix_unsafe_tree): Delete.
10817         (expand_call): Delete code which used above.
10818         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
10819         * expr.c (expand_expr_real_1): Ditto.
10820         * fold-const.c (non_lvalue): Ditto.
10821         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
10822         (lhd_unsafe_for_reeval): Ditto.
10823         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
10824         * langhooks.h (unsafe_for_reeval): Ditto.
10825         (unsave_expr_now): Adjust comment.
10826         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
10827         (estimate_num_insns_1): Ditto.
10828         * tree-pretty-print.c (dump_generic_node): Ditto.
10829         * tree.c (expr_align): Ditto.
10830         (unsave_expr): Delete.
10831         (unsafe_for_reeval): Ditto.
10832         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
10833         * tree.def (UNSAVE_EXPR): Delete.
10834         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
10835
10836 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
10837
10838         * tree.h (enum tls_model): Move ...
10839         * coretypes.h: ... here.
10840
10841 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
10842
10843         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
10844
10845 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
10846
10847         * cse.c (validate_canon_reg): New function, split out from...
10848         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
10849
10850 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
10851
10852         * tree-ssa-alias.c (maybe_create_global_var): Don't just
10853         return if .GLOBAL_VAR has been created.
10854
10855 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
10856
10857         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
10858         every variable that may have aliases, not just tags.
10859
10860 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
10861
10862         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
10863         move_from_CR_eq_bit.
10864         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
10865
10866
10867         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
10868         e500_flip_eq_bit.
10869
10870         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
10871         output_e500_flip_eq_bit.
10872
10873         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
10874         output_e500_flip_eq_bit.
10875         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
10876         output_e500_flip_eq_bit.
10877         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
10878         (print_operand): case D.  Get to EQ bit.
10879
10880 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
10881
10882         * gcov.c (function_summary): Add missing \n.
10883
10884 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
10885
10886         Introduce sh4a support.
10887         * config.gcc: Handle sh4a multilibs and cpu selection.
10888         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
10889         * config/sh/t-mlib-sh4a: New.
10890         * config/sh/t-mlib-sh4al: New.
10891         * config/sh/t-mlib-sh4a-nofpu: New.
10892         * config/sh/t-mlib-sh4a-single: New.
10893         * config/sh/t-mlib-sh4a-single-only: New.
10894         2004-02-20  DJ Delorie  <dj@redhat.com>
10895         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
10896         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
10897         2003-08-22  Eric Christopher  <echristo@redhat.com>
10898         * config/sh/sh4a.md: Update for chip errata.
10899         2003-08-07  Eric Christopher  <echristo@redhat.com>
10900         * config/sh/sh4a.md: New file. sh4a processor description.
10901         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
10902         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
10903         of -m4a-nofpu.
10904         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
10905         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
10906         * doc/invoke.texi (SH Options): Document -m4al.
10907         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
10908         * config/sh/sh.c (expand_block_move): Remove commented-out code
10909         checked in by mistake.
10910         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
10911         single elements from SFmode vectors.
10912         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
10913         register.
10914         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
10915         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
10916         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
10917         sh_fsca_int2sf): Remove variable declarations.
10918         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
10919         sh_fsca_int2sf): New functions.
10920         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
10921         sh_fsca_int2sf_rtx): New static variables.
10922         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
10923         sh_fsca_int2sf): Declare.
10924         * config/sh/sh.md: Adjust.
10925         * doc/invoke.texi (SH Options): Document new options.
10926         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
10927         compatibility from SH4 code.
10928         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
10929         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
10930         early.
10931         (memory_movsrc_operand): Renamed to...
10932         (unaligned_load_operand): ... this.  Simplified.
10933         * config/sh/sh.h (PREDICATE_CODES): Adjust.
10934         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
10935         input operand to SImode, and adjust the others.  Introduce
10936         post-increment by peephole.
10937         * config/sh/sh.c (expand_block_move): Give the target address the
10938         same mode as the temp reg.
10939         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
10940         copying.
10941         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
10942         Introduce support for SH4a.
10943         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
10944         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
10945         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
10946         sh_fsca_int2sf): New.
10947         (sh_init_builtins): Initialize them.
10948         (print_operand): Support `d'.
10949         (expand_block_move): Use movua if src is misaligned.
10950         (memory_movsrc_operand): New.
10951         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
10952         and one of the SH4 macros.
10953         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
10954         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
10955         SELECT_SH4A_SINGLE): New.
10956         (TARGET_NONE): Add SH4A_BIT.
10957         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
10958         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
10959         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
10960         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
10961         (enum processor_type): Added PROCESSOR_SH4A.
10962         (PREDICATE_CODES): Add memory_movsrc_operand.
10963         * config/sh/sh.md: Removed unused variables.
10964         (attr cpu): Add sh4a.
10965         (attr type): Add movua, fsrra and fsca.
10966         (prefetch): New, for SH4.
10967         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
10968         (toggle_sz): Set type to fp.
10969         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
10970         (movua, extv, extzv): New.
10971         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
10972         and 4a-single-only.
10973
10974 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
10975
10976         * tree-optimize.c (init_tree_optimization_passes): Schedule
10977         pass_may_alias right after the program is renamed into SSA.
10978         * tree-pass.h (PROP_alias): Define.
10979         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
10980         * tree-sra.c (pass_sra): Likewise.
10981         * tree-ssa-ccp.c (pass_ccp): Likewise.
10982         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
10983         * tree-ssa-dce.c (pass_dce): Likewise.
10984         * tree-ssa-dom.c (pass_dominator): Likewise.
10985         * tree-ssa-dse.c (pass_dse): Likewise.
10986         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10987         * tree-ssa-loop-ch.c (pass_ch): Likewise.
10988         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
10989         * tree-ssa-pre.c (pass_pre): Likewise.
10990         * tree-tailcall.c (pass_tail_recursion): Likewise.
10991         * tree-ssa.c (pass_redundant_phi): Likewise.
10992         * tree-ssa-alias.c (aliases_computed_p): Remove.
10993         Update all users.
10994         (init_alias_info): Do not mark all type tags for renaming
10995         unconditionally.
10996         Clear may_aliases from every symbol.
10997         (setup_pointers_and_addressables): If a pointer has not been
10998         dereferenced and it had a type tag, clear it and mark the old
10999         tag for renaming.
11000
11001 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
11002
11003         PR tree-optimization/16705
11004         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
11005         .GLOBAL_VAR.
11006
11007 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11008
11009         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
11010         check.
11011
11012         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
11013         don't make another one.
11014
11015         PR optimization/15077
11016         * function.h (struct function): Add field saved_static_chain_decl.
11017         Fix comment for static_chain_decl.
11018         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
11019         * tree-inline.h (save_body): Add new arg.
11020         * tree-optimize.c (tree_rest_of_compilation): Handle saving
11021         static_chain_decl.
11022
11023 2004-07-27  Richard Henderson  <rth@redhat.com>
11024
11025         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
11026         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
11027         is_gimple_addressable.
11028         * tree-gimple.c (is_gimple_addressable): Rename from
11029         is_gimple_addr_expr_arg; accept INDIRECT_REF.
11030         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
11031         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
11032         rename to is_gimple_addressable.
11033
11034 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
11035
11036         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
11037
11038 2004-07-27  Richard Henderson  <rth@redhat.com>
11039
11040         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
11041         before rounding.
11042
11043 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
11044
11045         * libgcc2.c: Change all conditionals testing
11046         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
11047         * libgcc2.h: Likewise.
11048         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
11049         TYPE_PRECISION of float80_type to 80.
11050         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
11051         of fpreg_type and float80_type to 80.
11052         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
11053         * config/m68k/netbsd-elf.h:
11054         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
11055         to evaluate to 80 whenever they would formerly have evaluated to 96.
11056         * config/i386/sco5.h: Remove unnecessary redefinition of
11057         LONG_DOUBLE_TYPE_SIZE.
11058         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
11059         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
11060         XFmode, with a bitsize of 80.  Update commentary.
11061         * config/ia64/ia64-modes.def: Likewise.
11062         * config/m68k/m68k-modes.def: Likewise.
11063
11064 2004-07-27  Steven Bosscher  <stevenb@suse.de>
11065
11066         * cfgexpand.c (tree_expand_cfg): Fix comment.
11067
11068         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
11069         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
11070         Remove.
11071         (prepare_function_start): Don't set rtx_equal_function_value_matters.
11072         * integrate.c (copy_rtx_and_substitute): Don't test for it.
11073         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
11074         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
11075         here again.  Update leading comment.
11076         * rtl.c (rtx_equal_function_value_matters): Remove.
11077         (rtx_equal_p): Don't test for it.
11078         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
11079         Likewise.
11080
11081         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
11082         * rtl.c (note_insn_name): Likewise.
11083         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
11084         * final.c (final_scan_insn): Likewise.
11085
11086         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
11087         * passes.c (rest_of_handle_eh): Do it here.
11088
11089         * stmt.c (struct nesting): Remove struct nesting block member.
11090         (struct stmt_status): Remove x_block_start_count field.
11091         (current_block_start_count): Remove.
11092
11093 2004-07-27  Brian Booth  <bbooth@redhat.com>
11094
11095         * tree-optimize.c (register_one_dump_file): Update condition that uses
11096         static_pass_number.
11097         (dup_pass_1): Replace with...
11098         (next_pass_1): This.
11099         (NEXT_PASS): Call next_pass_1.
11100         (DUP_PASS): Remove.
11101         (init_tree_optimization_passes): Remove uses of DUP_PASS.
11102         (execute_one_pass): Update condition that uses
11103         static_pass_number.
11104         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
11105         integer.
11106
11107 2004-07-27  Nick Clifton  <nickc@redhat.com>
11108
11109         * config/m32r/m32r.c: Include integrate.h in order to get the
11110         prototype for get_hard_reg_initial_val().
11111
11112         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
11113         and tidy up indentation.
11114         (final_presence_set): Use absence_set instead, so that if there is
11115         nothing in the "o" pipe the "s" pipe can be scheduled.
11116
11117 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
11118
11119         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
11120         don't have PT_VARS nor PT_MALLOC set.
11121         Clear name tag from pointers that have not been dereferenced.
11122         (set_pt_anything, set_pt_malloc): Forward declare.
11123         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
11124         not type compatibility when determining if a pointer can be
11125         copy propagated.
11126
11127 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
11128
11129         * expr.h (canonicalize_condition, get_condition): Add an int argument.
11130         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
11131         it to check whether the condition is still valid at the jump insn.
11132         * ifcvt.c (noce_get_condition): Likewise.
11133         (noce_get_alt_condition): Update call to canonicalize_condition.
11134         * loop-iv.c (simplify_using_initial_values): Update call to
11135         get_condition.  Remove FIXME.
11136         (check_simple_exit): Update call to get_condition.
11137         * loop-unswitch.c (may_unswitch_on): Likewise.
11138         * loop.c (check_dbra_loop): Likewise.
11139         (canonicalize_condition, get_condition): Add an argument to say whether
11140         the condition must still be valid at INSN.
11141         (get_condition_for_loop): Update call to get_condition.  Require that
11142         the condition be valid at INSN.
11143         * predict.c (estimate_probability): Update call to get_condition.
11144         Remove unused earliest parameter.
11145         (expected_value_to_br_prob): Update call to canonicalize_condition.
11146
11147 2004-07-26  Eric Christopher  <echristo@redhat.com>
11148
11149         * tree-dfa.c (add_referenced_var): Register initializers of global
11150         variables.
11151
11152 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
11153
11154         * config/i386/i386.c (function_arg): Always treat 8-
11155         and 16-byte wide vectors the same, even if MMX/SSE
11156         are disabled.
11157         (contains_128bit_aligned_vector_p): Add comment.
11158
11159 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
11160
11161         * ra.h (enum node_type): Rename to:
11162         (enum ra_node_type).
11163         * ra-colorize.c: Likewise.
11164
11165 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
11166
11167         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
11168         after simplifying the jump.
11169
11170 2004-06-26  Richard Henderson  <rth@redhat.com>
11171
11172         * calls.c (combine_pending_stack_adjustment_and_call): Make
11173         preferred_unit_stack_boundary argument unsigned.  Make
11174         unadjusted_alignment unsigned.
11175         (expand_call): Make preferred_stack_boundary and
11176         preferred_unit_stack_boundary variables unsigned.
11177         * function.c (assign_stack_local_1): Make alignment unsigned.
11178         * function.h (struct function): Make stack_alignment_needed,
11179         preferred_stack_boundary unsigned.
11180         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
11181         (ix86_compute_frame_layout): Make stack_alignment_needed,
11182         preferred_alignment variables unsigned.
11183         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
11184
11185 2004-07-26  Tom Tromey  <tromey@redhat.com>
11186
11187         * tree.h: Fix typo in comment.
11188
11189 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
11190
11191         PR bootstrap/12804
11192         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
11193         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
11194         (ggc_free): Remove incorrect freeing.
11195         (sweep_pages): Advance PP for large pages.  Fix indentation.
11196
11197 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
11198
11199         PR rtl-optimization/16643
11200         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
11201         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
11202         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
11203         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
11204         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
11205         * function.c (thread_prologue_and_epilogue_insns): Likewise.
11206         * rtl.h (tracer): Add a flags parameter.
11207         * tracer.c (tracer): Pass it to cfg_layout_initialise.
11208         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
11209         (rest_of_handle_reorder_blocks): Update calls to tracer and
11210         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
11211         (rest_of_handle_tracer): Pass 0 to tracer.
11212         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
11213
11214 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
11215
11216         PR target/16239
11217         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
11218         f->f.
11219
11220 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
11221
11222         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
11223         (BINFO_BASE_ACCESS): Adjust.
11224         (BINFO_BASE_ACCESS_APPEND): New.
11225         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
11226         * dbxout.c (dbxout_type): Adjust binfo access accessing.
11227         * dwarf2out.c (gen_member_die): Likewise.
11228         * tree-dump.c (deque_and_dump): Likewise.
11229
11230 2004-07-26  Falk Hueffner  <falk@debian.org>
11231
11232         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
11233         costs.
11234
11235 2004-07-25  Roger Sayle  <roger@eyesopen.com>
11236
11237         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
11238         value off of the stack if TARGET_USE_FFREEP.
11239
11240 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
11241
11242         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
11243         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
11244         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
11245         check on invocation of XRESIZEVEC ().
11246
11247 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
11248
11249         * c-common.c (disable_builtin_function): Rename variable n to
11250         new_disabled_builtin.
11251         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
11252         Rename local variable old to old_decl.
11253         * gensupport.c (shift_output_template): Rename parameter old to src.
11254         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
11255         old_rtx and newx to new_rtx.
11256
11257 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
11258
11259         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
11260         of c-pragma.h.
11261         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
11262         enum cpp_ttype.
11263         * c-lex.c: Likewise.
11264
11265 2004-07-25  Roger Sayle  <roger@eyesopen.com>
11266
11267         * fold-const.c (constant_boolean_node): Make extern.
11268         (make_range): Wrap long lines.
11269         (fold_cond_expr_with_comparison): Remove unnecessary call to
11270         pedantic_non_lvalue.  Add missing calls to fold_convert.
11271         (fold_truthop): Add missing calls to fold_convert.
11272         (fold): Likewise.
11273         * tree.h (constant_boolean_node): Add prototype here.
11274         * builtins.c (expand_builtin_strncmp): Add missing calls to
11275         fold_convert.
11276         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
11277         Call fold_convert and constant_boolean_node to correct types.
11278         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
11279         missing call to fold_convert to correct types.
11280
11281 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
11282             Brian Ryner  <bryner@brianryner.com>
11283
11284         PR c++/9283
11285         PR c++/15000
11286         * c-common.c (c_common_attribute_table): Allow
11287         handle_visibility_attribute to be called for types.
11288         (handle_visibility_attribute) When given a type, set the visibility
11289         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
11290         so that we can check later whether the attribute was present. Added
11291         warning if attribute applied to non class type.
11292         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
11293         decls and checking that they are consistent.
11294         * common.opt: Added -fvisibility.
11295         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
11296         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
11297         * flags.h, tree.h: Added assorted support defines for overall patch
11298         * opts.c: Added parsing support for -fvisibility.
11299         * tree.c (build_decl): Set visibility for all decls to be whatever
11300         is in force at that time.
11301         * varasm.c (default_binds_local_p_1): Reworked logic determining
11302         when to make a symbol locally bound.
11303         * doc/invoke.texi: Added documentation for -fvisibility and
11304         -fvisibility-inlines-hidden.
11305
11306 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11307
11308         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
11309         * c-common.c: Add missing casts from void * to other types.
11310         * c-decl.c: Likewise.
11311         * c-format.c: Likewise.
11312         * c-lex.c: Likewise.
11313         * c-pragma.c: Likewise.
11314         * c-typeck.c: Likewise.
11315         * defaults.h: Likewise.
11316         * genconstants.c: Likewise.
11317         * gengtype-lex.l: Likewise.
11318         * genmodes.c: Likewise.
11319         * read-rtl.c: Likewise.
11320         * rtl.c: Likewise.
11321
11322 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11323
11324         * bitmap.c: Use type-safe memory allocation macros from libiberty.
11325         * c-common.c: Likewise.
11326         * c-decl.c: Likewise.
11327         * c-lang.c: Likewise.
11328         * c-lex.c: Likewise.
11329         * c-opts.c: Likewise.
11330         * c-parse.in: Likewise.
11331         * c-typeck.c: Likewise.
11332         * genconditions.c: Likewise.
11333         * gengtype-lex.l: Likewise.
11334         * gengtype-yacc.y: Likewise.
11335         * gengtype.c: Likewise.
11336         * genmodes.c: Likewise.
11337         * gensupport.c: Likewise.
11338         * read-rtl.c: Likewise.
11339         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
11340         htab_find_slot().
11341
11342 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11343
11344         * c-decl.c (groktypename, groktypename_in_param_context): Rename
11345         variable typename to type_name.
11346         * c-lex.c (interpret_float): Likewise.
11347
11348 2004-07-25  Roger Sayle  <roger@eyesopen.com>
11349
11350         * convert.c (convert_to_real, convert_to_integer,
11351         convert_to_complex): Replace calls to build with calls to buildN.
11352         * coverage.c (tree_coverage_counter_ref): Likewise.
11353         * dojump.c (do_jump): Likewise.
11354         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
11355         * emit-rtl.c (component_ref_for_mem_expr,
11356         set_mem_attributes_minus_bitpos): Likewise.
11357         * explow.c (update_nonlocal_goto_save_area): Likewise.
11358         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
11359         expand_mult_add): Likewise.
11360         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
11361         store_constructor, get_inner_reference, expand_expr_real_1,
11362         try_casesi, try_tablejump): Likewise.
11363         * function.c (expand_function_start): Likewise.
11364         * stmt.c (emit_case_bit_tests, expand_end_case_type,
11365         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
11366         * stor-layout.c (place_union_field, layout_type): Likewise.
11367         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
11368         * varasm.c (copy_constant): Likewise.
11369
11370 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11371
11372         * c-common.c: Rename all identifiers named `new'.
11373         * c-decl.c: Likewise.
11374         * gensupport.c: Likewise.
11375         * simplify-rtx.c: Likewise.
11376         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
11377         with XNEW().
11378         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
11379         with XNEWVEC().
11380
11381 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
11382
11383         PR c/15360
11384         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
11385         declarations until after calling pushdecl.
11386         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
11387         "extern" and not on whether the declaration is initialized.
11388
11389 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
11390
11391         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
11392         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
11393         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
11394         "cpplib.h", "c-pragma.h", "c-common.h".
11395         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
11396         (solaris_register_pragmas): New functions.
11397         * config/sol2-protos.h: New file.
11398         * config/sol2.c: New file.
11399         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
11400         (REGISTER_TARGET_PRAGMAS): New macros.
11401         (solaris_pending_aligns, solaris_pending_inits)
11402         (solaris_pending_finis): New variables.
11403         * config/t-sol2 (sol2-c.o): Update dependencies.
11404         (sol2.o): New rule.
11405         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
11406         SUBTARGET_INSERT_ATTRIBUTES.
11407         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
11408         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
11409         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
11410         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
11411         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
11412         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
11413         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
11414         * config/sparc/sparc.c (sparc_attribute_table): New.
11415         (TARGET_INSERT_ATTRIBUTES): Define in terms of
11416         SUBTARGET_INSERT_ATTRIBUTES.
11417         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
11418         is defined.
11419         * doc/extend.texi (Solaris Pragmas): New section.
11420
11421 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11422
11423         * c-common.c: Rename all identifiers named `class' to `cl'.
11424         * c-common.h: Likewise.
11425         * c-parse.in: Likewise.
11426         * c-typeck.c: Likewise.
11427         * genmodes.c: Likewise.
11428         * real.c: Likewise.
11429         * real.h: Likewise.
11430         * recog.c: Likewise.
11431         * recog.h: Likewise.
11432         * regrename.c: Likewise.
11433         * tree.h: Likewise.
11434         * c-common.c (builtin_function_2): Change type of 5th parameter from
11435         int to enum built_in_function. Change type of 8th parameter from int
11436         to bool.
11437         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
11438         with GGC_CNEW().
11439         * c-typeck.c (convert_arguments): Change type of formal_prec from
11440         int to unsigned int.
11441         * genmodes.c (blank_mode): Make a few negative constants unsigned.
11442         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
11443         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
11444         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
11445         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
11446         iterator to for_all_modes () instead of an enum because enums can't
11447         be incremented in C++.
11448
11449
11450 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
11451
11452         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
11453         hard registers.
11454
11455 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11456
11457         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
11458         Handle ARRAY_RANGE_REF like ARRAY_REF.
11459
11460 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
11461
11462         * c-typeck.c (digest_init): Don't allow arrays of signed or
11463         unsigned variants of wchar_t to be initialized by wide string
11464         constants.  Do allow arrays of enumerated types compatible with
11465         wchar_t to be initialized by wide string constants.  Refine tests
11466         distinguishing wide and narrow strings and arrays.  Give specific
11467         error for arrays of other integer types initialized by string
11468         constants.
11469         (output_init_element, process_init_element): Check for
11470         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
11471         initializing with string constants.
11472
11473 2004-07-25  Richard Henderson  <rth@redhat.com>
11474
11475         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
11476         on the RESULT_DECL.
11477         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
11478         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
11479         DECL_IGNORED_P to new decl.
11480
11481 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
11482
11483         * config/ia64/ia64.c (general_xfmode_operand)
11484         (destination_xfmode_operand): Delete.
11485         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
11486         * config/ia64/ia64.md (*movxf_internal): Use general_operand
11487         and destination_operand.
11488
11489 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
11490
11491         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
11492         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
11493
11494 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
11495             Zack Weinberg  <zack@codesourcery.com
11496
11497         PR 16684
11498         * c-decl.c (diagnose_mismatched_decls): Don't issue a
11499         redundant-declaration warning the first time a builtin is
11500         declared explicitly.
11501
11502 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11503
11504         * tree.h (staticp): Change return type to bool.
11505
11506 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11507
11508         * c-common.c (c_staticp): Last episode of the staticp saga.
11509
11510 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11511
11512         * c-common.h (c_staticp): Change return type from int to bool.
11513         * tree.c (staticp): Likewise.
11514         * langhooks.h (staticp): Likewise.
11515
11516 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11517
11518         * langhooks-def.h (lhd_staticp): Change return type from int to
11519         bool in prototype to match definition.
11520
11521 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11522
11523         * system.h (bool, true, false): Don't redefine as preprocessor macros
11524         in C++.
11525
11526 2004-07-24  Roger Sayle  <roger@eyesopen.com>
11527
11528         * expmed.c (init_expmed): A signed modulus by a power of two is
11529         considered cheap if its less than or equal to four instructions.
11530
11531 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11532
11533         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
11534         GGC_CNEWVAR): New macros.
11535
11536 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
11537
11538         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
11539         lists.
11540         * c-decl.c: Likewise.
11541         * c-format.c: Likewise.
11542         * c-lex.c: Likewise.
11543         * c-opts.c: Likewise.
11544         * c-pragma.c: Likewise.
11545         * c-typeck.c: Likewise.
11546         * gencheck.c: Likewise.
11547         * genconditions.c: Likewise.
11548         * genconfig.c: Likewise.
11549         * genflags.c: Likewise.
11550         * gengtype.c: Likewise.
11551         * gensupport.c: Likewise.
11552         * ggc-none.c: Likewise.
11553         * langhooks.c: Likewise.
11554         * statistics.h: Likewise.
11555         * stub-objc.c: Likewise.
11556         * java/decl.c: Likewise.
11557
11558 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
11559
11560         * config/m68k/m68k.c (output_scc_di): Fix coding style.
11561         (symbolic_operand): Fix prototype.
11562         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
11563         * config/m68k/m68k.md: Add constants for registers a0 and sp and
11564         use them, change from the "{...}" syntax to the simpler {...}
11565         syntax.
11566         (*cfv4_extendqisi2): Fix destination predicate.
11567         * config/m68k/m68k-protos.h: Remove various declarations also
11568         generated via PREDICATE_CODES.
11569
11570 2004-07-23  Mike Stump  <mrs@apple.com>
11571
11572         * c-typeck.c (convert_for_assignment): Tightened up pointer
11573         converstions that differ in signedness.
11574
11575 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
11576
11577         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
11578
11579 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11580
11581         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
11582         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
11583
11584         * gimplify.c (gimplify_compound_lval): Check for no handled
11585         operations, rather than checking for explicit list of nodes.
11586         (is_gimple_addr_expr_arg_or_indirect): New function.
11587         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
11588         redundant setting of TREE_INVARIANT.
11589         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
11590         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
11591
11592 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
11593
11594         PR tree-optimization/16688
11595         PR tree-optimization/16689
11596         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
11597         unnecessary initialization of 'tag'.
11598         (get_tmt_for): Check that the new type tag has the same alias
11599         set as the pointed-to type.
11600         (group_aliases): Only regular variables need to be removed
11601         from the alias set of a name tag.
11602         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
11603         propagation if the two types are not compatible.
11604         (merge_alias_info): Rename from replace_ssa_names_ann.
11605         Add more checking.
11606         (replace_exp_1): If both arguments are SSA_NAMEs, check that
11607         the propagation can be done.
11608         Only call merge_alias_info on pointers.
11609         (propagate_value): Likewise.
11610         * tree-ssa-copyrename.c: Include langhooks.h.
11611         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
11612         to do the merging.
11613         Do not coalesce variables with incompatible types.
11614         (rename_ssa_copies): Call replace_ssa_name_symbol.
11615         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
11616         the same type as the underlying _DECL.
11617         * tree-ssanames.c (replace_ssa_name_symbol): New function.
11618         * tree.h (replace_ssa_name_symbol): Declare.
11619
11620 2004-07-23  Richard Henderson  <rth@redhat.com>
11621
11622         PR c++/16277
11623         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
11624         unshare it properly.
11625         (gimplify_modify_expr_rhs): Push assignment from a conditional into
11626         the conditional for all non-register types.
11627
11628 2004-07-23  Richard Henderson  <rth@redhat.com>
11629
11630         * expr.c (expand_expr_real_1): Don't handle non-local variables.
11631         * expr.h (fix_lexical_addr): Remove.
11632         * function.c (NEED_SEPARATE_AP): Remove.
11633         (fix_lexical_addr): Remove.
11634         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
11635         not null decl_function_context.
11636         (create_alias_vars): Likewise.
11637         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
11638         (simple_goto_p): Likewise.
11639         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
11640         * tree-ssa-ccp.c (get_default_value): Likewise.
11641         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
11642         * tree.c (needs_to_live_in_memory): Likewise.
11643         * tree-flow-inline.h (may_be_aliased): Move...
11644         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
11645         when TREE_STATIC variables may be addressable.
11646
11647 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
11648
11649         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
11650
11651 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
11652
11653         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
11654         bitmap contents if GENERATOR_FILE is defined.
11655         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
11656         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
11657
11658 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
11659
11660         * c-decl.c (start_function): Form composite type of function types
11661         rather than copying type from previous prototype declaration.
11662
11663 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
11664
11665         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
11666         the const qualifier for the second argument in the C++ functions.
11667
11668         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
11669         specific pointer types.
11670
11671         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
11672         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
11673         for vector bool and/or vector pixel, add C++ and C missing support.
11674         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
11675         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
11676         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
11677         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
11678         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
11679         missing C++ and C support for vector bool and/or vector pixel.
11680         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
11681         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
11682         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
11683         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
11684         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
11685         C++ and C types used for vector bool and/or vector pixel.
11686         (vec_st, vec_stl): Add C++ support for vector pixel.
11687         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
11688         (vec_all_ne): Add C++ support for vector pixel.
11689
11690         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
11691         (vec_vmulesb): Add missing C++ function.
11692         (vec_perm): Fix type of third argument in C++ function.
11693         (vec_vsum4shs): Fix C++ function name.
11694         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
11695         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
11696         argument passed to the error handler in C macro.
11697         (vec_nmsub): Remove extra parens around argument names in C macro.
11698         (vec_packpx): Add missing parens in C macro.
11699
11700 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
11701
11702         * machmode.def: Remove vector modes.
11703         * config/alpha/alpha-modes.def: Add supported vector modes.
11704         * config/arm/arm-modes.def: Likewise.
11705         * config/frv/frv-modes.def: Likewise.
11706         * config/i386/i386-modes.def: Likewise.
11707         * config/rs6000/rs6000-modes.def: Likewise.
11708         * config/sh/sh-modes.def: Likewise.
11709
11710 2004-07-23  Matthias Klose  <doko@debian.org>
11711
11712         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
11713         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
11714         * config.h: Regenerate.
11715         * configure: Likewise.
11716
11717 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
11718
11719         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
11720         generated SYMBOL_REFs for labels.
11721         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
11722         Change prototype.
11723         (machopic_stub_name): Remove.
11724         (machopic_indirection_name): New function.
11725         (machopic_mcount_stub_name): Likewise.
11726         (machopic_classify_name): Remove.
11727         (machopic_function_base_sym): New function.
11728         (machpoic_classify_symbol): Likewise.
11729         (machopic_classify_ident): Remove.
11730         (machopic_define_ident): Likewise.
11731         (machopic_define_name): Likewise.
11732         (machopic_name_defined_p): Likewise.
11733         (machopic_ident_defined_p): Likewise.
11734         (darwin_strip_name_encoding): Likewise.
11735         (machopic_define_symbol): New function.
11736         * config/darwin.c (hashtab.h): Include.
11737         (machopic_defined_list): Remove.
11738         (machopic_classify_ident): Likewise.
11739         (machopic_classify_name): Likewise.
11740         (machopic_ident_defined_p): Likewise.
11741         (machopic_define_ident): Likewise.
11742         (machopic_define_name): Likewise.
11743         (machopic_symbol_defined_p): New function.
11744         (machopic_classify_symbol): Likewise.
11745         (machopic_data_defined_p): Use machopic_classify_symbol.
11746         (machopic_define_symbol): New function.
11747         (machopic_function_base_sym): New function.
11748         (machopic_non_lazy_pointers): Remove.
11749         (machopic_non_lazy_ptr_name): Likewise.
11750         (machopic_stubs): Likewise.
11751         (machopic_stub_name): Likewise.
11752         (NON_LAZY_POINTER_SUFFIX): New macro.
11753         (STUB_SUFFIX): Likewise.
11754         (machopic_indirection): New structure.
11755         (machopic_indirections): New variable.
11756         (machopic_indirection_hash): New function.
11757         (machopic_indirection_eq): Likewise.
11758         (machopic_indirection_name): Likewise.
11759         (machopic_mcount_stub_name): New function.
11760         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
11761         hash table.
11762         (machopic_indirect_data_reference): Rework to use new functions.
11763         (machopic_indirect_call_target): Likewise.
11764         (machopic_legitimize_pic_address): Likewise.
11765         (machopic_output_indirection): New function.
11766         (machopic_finish): Use it.
11767         (machopic_operand_p): Rework to use new functions.
11768         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
11769         (darwin_strip_name_encoding): Remove.
11770         (update_non_lazy_ptrs): Remove.
11771         (update_stubs): Likewise.
11772         (darwin_non_lazy_pcrel): Use new functions.
11773         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
11774         (ASM_OUTPUT_LABELREF): Likewise.
11775         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
11776         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
11777         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
11778         (TARGET_STRIP_NAME_ENCODING): Do not use
11779         darwin_strip_name_encoding.
11780         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
11781         darwin_strip_name_encoding.
11782         * config/i386/darwin.h (FUNCTION_PROFILER): Use
11783         machopic_mcount_stub_name.
11784         * config/i386/i386.c (x86_output_mi_thunk): Use
11785         machopic_indirection_name, not machopic_stub_name.
11786         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
11787         machopic_function_base_sym.
11788         (print_operand): Use machopic_classify_symbol.
11789         (rs6000_emit_prologue): Use machopic_function_base_sym.
11790         (output_profile_hook): Do not use machopic_stub_name.
11791         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
11792
11793 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
11794
11795         PR c/7284
11796         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
11797         as multiplication.
11798
11799 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
11800
11801         * doc/implement-c.texi: New file.
11802         * doc/extend.texi (C Implementation): Move to there.
11803         * doc/gcc.texi: Include implement-c.texi.
11804         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
11805
11806 2004-07-22  Jason Merrill  <jason@redhat.com>
11807
11808         * integrate.c (copy_decl_for_inlining): Remove invisible reference
11809         handling.
11810         * tree-inline.c (setup_one_parameter): Likewise.
11811
11812 2004-07-22  Brian Booth  <bbooth@redhat.com>
11813
11814         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
11815         (substitute_and_fold): Propigate into VUSE operands when possible.
11816         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
11817         (cp_lattice_meet): Handle merging of latticevalues when
11818         UNKNOWN_VAL is present.
11819         (visit_stmt): Visit assignments with V_MUST_DEFs.
11820         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
11821         (ccp_fold): Deal with RHS' that are constant and virtual.
11822         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
11823         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
11824         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
11825         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
11826         computing immediate uses.
11827         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
11828         transition.
11829         (replace_vuse_in): New function.
11830         (likely_value): Add check of vuse operands.
11831         (get_default_value): Set the default value of virtually defined
11832         variables to UKNOWN_VAL instead of VARYING.
11833
11834 2004-07-22  Richard Henderson  <rth@redhat.com>
11835
11836         * expr.c (emit_push_insn): Don't use set_mem_attributes.
11837
11838 2004-07-22  Richard Henderson  <rth@redhat.com>
11839
11840         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
11841         variables due to conditional compilation.
11842
11843 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
11844
11845         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
11846         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
11847         Release SSA names that have been re-renamed.
11848         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
11849         variable.
11850         * tree-ssa-alias.c (init_alias_info): If aliases have been
11851         computed before, clear existing alias information.
11852         (create_name_tags): Do no fixup PT_ANYTHING pointers.
11853         If the new name tag for a pointer is different than the one it
11854         had before, mark the old tag for renaming.
11855         (replace_may_alias): New function.
11856         (group_aliases): Call it.
11857         (setup_pointers_and_addressables): Always call get_tmt_for.
11858         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
11859         once.
11860         (set_pt_anything): New local function.
11861         (set_pt_malloc): New local function.
11862         (merge_pointed_to_info): Don't merge pointed-to variables from
11863         the original pointer if the destination is pointing to an
11864         unknown location.
11865         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
11866         (add_pointed_to_var): Do not add a variable to the points-to
11867         set if the pointer is already pointing to anywhere.
11868         (collect_points_to_info_r): If the defining statement is a PHI
11869         node, only merge pointed-to information if the argument has
11870         already been visited.
11871         (get_tmt_for): Only create a new tag if the pointer didn't
11872         have one already.
11873         (dump_alias_info): Emit more information.
11874         (dump_points_to_info_for): Likewise.
11875         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
11876         try to get the annotation of an SSA_NAME.
11877         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
11878         alias sets when checking is enabled.
11879         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
11880         (eliminate): Mark basic blocks that will need
11881         EH information cleaned up.
11882         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
11883         predecessor.
11884         Initialize need_eh_cleanup.
11885         (fini_pre): Call tree_purge_all_dead_eh_edges and
11886         cleanup_tree_cfg if needed.
11887         Free need_eh_cleanup.
11888         * tree-ssa.c (verify_ssa_name): New function.
11889         (verify_def): Call it.
11890         Re-arrange to avoid printing too many error messages.
11891         (verify_use): Likewise.
11892         (verify_phi_args): Likewise.
11893         (verify_flow_insensitive_alias_info): New function.
11894         (verify_flow_sensitive_alias_info): New function.
11895         (verify_alias_info): New function.
11896         (verify_ssa): Call verify_alias_info.
11897         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
11898         program.
11899         Re-arrange to avoid printing too many error messages.
11900         * tree-ssanames.c (make_ssa_name): Clear
11901         SSA_NAME_IN_FREE_LIST.
11902         (release_ssa_name): Never release a default definition.
11903         (release_defs): New function.
11904         * tree.h: Declare it.
11905         * tree-ssa-dce.c (remove_dead_stmt): Call it.
11906
11907 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
11908
11909         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
11910         If true, do a depth-first search.  Do a breadht-first search,
11911         otherwise.
11912         (walk_use_def_chains): Add new argument IS_DFS.
11913         Update all users.
11914         * tree-flow.h (walk_use_def_chains): Update prototype.
11915
11916 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
11917
11918         * config/cris/cris.md: Tweak formatting.
11919         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
11920         (mover2side, moverside, movemside, movei, op3, andu): Replace
11921         live define_peephole:s with define_peephole2 near-equivalents.
11922         Delete the rest.
11923         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
11924         word-size modes.
11925         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
11926         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
11927         "*mov_sidesi_mem" respectively.
11928
11929 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
11930
11931         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
11932         (gimplify_build1): Move from tree-complex.c do_unop.
11933         (gimplify_build2): Move from tree-complex.c do_binop.
11934         (gimplify_build3): New.
11935         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
11936         Adjust throughout to call the functions above.
11937         * tree-flow.h: Declare the functions above.
11938         * tree-nested.c (gimplify_val): Rename to...
11939         (tsi_gimplify_val): ... this.
11940
11941         * Makefile.in (tree_complex.o): Update dependencies.
11942         (stor-layout.o): Depend on regs.h.
11943         * c-common.c (handle_vector_size_attribute): Update for
11944         vector types without corresponding vector modes.
11945         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
11946         a corresponding vector mode is not available.
11947         * print-tree.c (print_node): Print nunits for vector types
11948         * regclass.c (have_regs_of_mode): New.
11949         (init_reg_sets_1): Initialize it and use it instead
11950         of allocatable_regs_of_mode.
11951         * regs.h (have_regs_of_mode): Declare it.
11952         * stor-layout.c (layout_type): Pick a mode for vector types.
11953         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
11954         build_replicated_const, do_unop, do_binop, do_plus_minus,
11955         do_negate, expand_vector_piecewise, expand_vector_parallel,
11956         expand_vector_addition, expand_vector_operations_1,
11957         expand_vector_operations, tree_lower_operations,
11958         pass_lower_vector_ssa, pass_pre_expand): New.
11959         (expand_complex_operations, pass_lower_complex): Remove.
11960         * tree-optimize.c (init_tree_optimization_passes): Adjust
11961         pass ordering for changes in tree-complex.c.
11962         * tree-pass.h: Declare new passes.
11963         * tree.c (finish_vector_type): Remove.
11964         (make_vector_type): New.
11965         (build_vector_type_for_mode, build_vector_type): Rewritten.
11966         * tree.def (VECTOR_TYPE): Document where the number of
11967         subparts is stored.
11968         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
11969         (make_vector): Remove declaration.
11970
11971 2004-07-21  Richard Henderson  <rth@redhat.com>
11972
11973         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
11974         TREE_THIS_VOLATILE, may_aliases, or optimization level.
11975         (remove_useless_vars): Dump debugging info.
11976         (expand_used_vars): Move ...
11977         * cfgexpand.c (expand_used_vars): ... here.  Make static.
11978         * tree-flow-inline.h (set_is_used): New.
11979         (set_default_def): Use get_var_ann.
11980         * tree-flow.h: Update decls.
11981         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
11982         (create_ssa_var_map): Use it.
11983         * tree-ssa.c (set_is_used): Remove.
11984
11985 2004-07-22  Ben Elliston  <bje@au.ibm.com>
11986
11987         * gdbinit.in: Set a breakpoint on internal_error.
11988
11989 2004-07-21  Richard Henderson  <rth@redhat.com>
11990
11991         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
11992         to create a new basic block.
11993
11994 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
11995
11996         PR c/15052
11997         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
11998         return type on function definitions.  Move other warnings for
11999         qualified return type to -Wreturn-type.  Do not condition any such
12000         warnings on -pedantic.  Update comments.
12001         (start_function): Only copy function type from previous prototype
12002         declaration if return types are compatible.
12003         * c-typeck.c (function_types_compatible_p): Don't condition
12004         warning for incompatibility of volatile qualifiers on the return
12005         type on -pedantic.  Update comment.
12006         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
12007
12008 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12009
12010         * c-typeck.c (set_init_index): Require designator to be of integer
12011         type.
12012
12013 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
12014
12015         PR c/11250
12016         * c-parse.in (init): Change to exprtype.
12017         (primary): Set original_code for STRING to STRING_CST.
12018         Call maybe_warn_string_init for compound literals.
12019         (initdcl, notype_initdcl): Call maybe_warn_string_init.
12020         (initval): Update.
12021         * c-tree.h (maybe_warn_string_init): New.
12022         (pop_init_level, process_init_element): Use struct c_expr.
12023         (struct c_expr): Update comment.
12024         * c-typeck.c (maybe_warn_string_init): New function.
12025         (digest_init): Call it.  Additional parameter strict_string.  All
12026         callers changed.
12027         (output_init_element): Likewise.
12028         (struct constructor_stack): Use struct c_expr for
12029         replacement_value.
12030         (really_start_incremental_init, push_init_level): Update.
12031         (pop_init_level): Update.  Return struct c_expr.
12032         (process_init_level): Update.  Take struct c_expr argument.
12033
12034 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
12035
12036         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
12037         commit.
12038
12039 2004-07-21  Eric Christopher  <echristo@redhat.com>
12040
12041         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
12042         removal.
12043         * c-decl.c (pop_scope): Ditto.
12044         * calls.c (expand_call): Remove call to current_nesting_level,
12045         update comment accordingly. Remove calls to expand_start_target_temps
12046         and expand_end_target_temps.
12047         * cfgexpand.c (construct_init_block): Remove call to
12048         expand_start_bindings_and_block.
12049         (construct_exit_block): Remove call to expand_end_bindings.
12050         * expr.c (safe_from_p): Remove BIND_EXPR handling.
12051         (expand_expr_real_1): Ditto. Fix formatting.
12052         (expand_vars): Delete.
12053         * stmt.c (POPSTACK): Remove block_stack.
12054         (stmt_status): Remove x_block_stack.
12055         (block_stack): Delete.
12056         (expand_start_bindings_and_block): Ditto.
12057         (expand_start_target_temps): Ditto.
12058         (expand_end_target_temps): Ditto.
12059         (current_nesting_level): Ditto.
12060         (warn_about_unused_variables): Ditto.
12061         (expand_end_bindings): Ditto.
12062         * tree.h: Remove declarations for above.
12063
12064 2004-07-21  Steven Bosscher  <stevenb@suse.de>
12065
12066         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
12067         * rtl.c (note_insn_name): Likewise.
12068         * print-rtl.c (print_rtx): Don't print it.
12069         * cfgrtl.h (can_delete_note_p): Don't handle it.
12070         (rtl_delete_block): Likewise.
12071         * passes.c (rest_of_handle_guess_branch_prob): Remove.
12072         (rest_of_compilation): Don't call it.
12073         * predict.c (process_note_predictions, process_note_prediction,
12074         note_prediction_to_br_prob): Remove.
12075         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
12076         * stmt.c (return_prediction): Remove.
12077         (expand_value_return): Don't call it.  Don't add prediction
12078         notes for return statements.
12079
12080 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
12081
12082         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
12083         once.
12084
12085 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
12086
12087         * c-common.c (vector_types_convertible_p): Use vector types'
12088         TYPE_SIZE and TREE_TYPE instead of their mode.
12089         * convert.c (convert_to_integer): Likewise.
12090         (convert_to_vector): Likewise.
12091         * fold-const.c (fold_convert): Likewise.
12092         * varasm.c (output_constant): Likewise.
12093         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
12094         Allow a VECTOR_TYPE initializer to be made of several vectors.
12095         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
12096         of cleared and need_to_clear, and use fold_convert.
12097         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
12098         integer vectors.
12099
12100 2004-07-20  Richard Henderson  <rth@redhat.com>
12101
12102         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
12103         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
12104
12105 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
12106
12107         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
12108         enormous cost if not TARGET_HARD_MUL.
12109
12110 2004-07-20  Andrew Pinski  <apinski@apple.com>
12111
12112         PR target/16557
12113         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
12114         (ASM_SPEC): here.
12115
12116 2004-07-21  Paul brook  <paul@codesourcery.com>
12117
12118         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
12119
12120 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12121
12122         * fold-const.c (operand_equal_p): Temporarily support NULL args.
12123         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
12124         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
12125
12126 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
12127
12128         * rtl.h (plus_constant): Delete.
12129         (plus_constant_wide): Rename to plus_constant.
12130         (plus_constant_for_output_wide): Delete vestigial prototype.
12131         (GEN_INT): Remove unnecessary cast.
12132         * tree.h (build_int_2, size_int_type): Delete.
12133         (build_int_2_wide): Rename to build_int_2.
12134         (size_int_wide): Rename to size_int_kind.
12135         (size_int_type_wide): Rename to size_int_type.
12136         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
12137         Remove unnecessary cast.
12138         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
12139         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
12140         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
12141         (size_int_type_wide): Rename size_int_type.
12142         (int_const_binop): Use size_int_type.
12143         * c-lex.c (interpret_integer): Use build_int_2.
12144         * final.c (split_double): Remove unnecessary casts.
12145         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
12146
12147 2004-07-20  Richard Henderson  <rth@redhat.com>
12148
12149         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
12150         (gimplify_compound_lval): Use is_gimple_tmp_reg.
12151         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
12152         (is_gimple_tmp_reg): New.
12153         * tree-gimple.h (is_gimple_tmp_reg): Declare.
12154
12155 2004-07-20  Richard Henderson  <rth@redhat.com>
12156
12157         * tree-pretty-print.c (dump_generic_node): Dump
12158         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
12159
12160 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
12161
12162         * tree-mudflap.c (mf_set_options_fndecl): New tree.
12163         (mudflap_init): Set it.
12164         (mudflap_register_call): Remove __mf_init call.
12165         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
12166         to pass "-ignore-reads" option to libmudflap if needed.
12167
12168 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
12169
12170         PR c++/14607
12171         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
12172         (MAKE_DECL_ONE_ONLY): Undefine.
12173         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
12174         readonly_data, one_only_data_section, forget_section): New prototypes.
12175         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
12176         functions.
12177         (pa_select_section): Add one-only (COMDAT) support.
12178         * pa.h (struct machine_function): Define.
12179         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
12180         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
12181         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
12182         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
12183         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
12184         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
12185         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
12186         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
12187         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
12188         for EXTRA_SECTION_FUNCTIONS.
12189         * doc/install.texi: Update binutils requirements.
12190
12191 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
12192
12193         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
12194         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
12195         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
12196         size_t.
12197         (struct VEC): Use unsigned for num and alloc.
12198         * vec.c (struct vec_prefix): Likewise.
12199         (vec_o_reserve): Adjust.
12200
12201         * dbxout.c (dbxout_type): Fix printf format.
12202
12203         * tree.h (binfo_member): Remove.
12204         * tree.c (binfo_member): Remove.
12205
12206 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
12207
12208         * tree.h: Include vec.h
12209         (DEF_VEC_P(tree)): New type.
12210         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
12211         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
12212         (BINFO_LANG_SLOT): Remove.
12213         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
12214         (struct tree_binfo): Turn base_binfos into a trailing
12215         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
12216         (binfo_lang_slots): Remove.
12217         * tree.c (binfo_lang_slots): Remove.
12218         (make_tree_binfo_stat): Take a base binfo count, not a
12219         lang slot count.  Adjust.
12220         * Makefile.in (TREE_H): Add vec.h
12221         * alias.c (record_component_aliases): Adjust BINFO access.
12222         * dbxout.c (dbxout_type): Likewise.
12223         * dwarf2out.c (gen_member_die): Likewise.
12224         * sdbout.c (sdbout_one_type): Likewise.
12225         * tree-dump.c (deque_and_dump): Likewise.
12226         * config/i386/i386.c (classify_argument,
12227         contains_128bit_aligned_vector_p): Likewise.
12228         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
12229         * doc/c-tree.texi (Classes): Update BINFO documentation.
12230
12231 2004-07-20  Steven Bosscher  <stevenb@suse.de>
12232
12233         * c-common.h (check_case_value): Remove prototype.
12234         (c_add_case_label): Adjust prototype.
12235         * c-common.c (check_case_value): Make static.
12236         (check_case_bounds): New function.
12237         (c_add_case_label): Use it.  Take new argument orig_type.
12238         * c-typeck.c (struct c_switch): New orig_type field.
12239         (c_start_case): Set it.
12240         (do_case): Pass it to c_add_case_label.
12241         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
12242         cases from here.  Add the labels in reverse order.
12243         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
12244         (add_case_node): Return nothing, don't check for duplicate cases.
12245         Insert new case nodes in a list, not in an AVL tree.
12246         (expand_end_case_type): Don't turn a case tree into a case list.
12247         (case_tree2list): Remove.
12248         * tree.h (add_case_node): Adjust prototype.
12249
12250 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
12251
12252         * genattr.c (struct range, struct function_unit,
12253         write_units, extend_range, init_range): Remove them.
12254         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
12255         Output "#define INSN_SCHEDULING" here.
12256         * genattrtab.c (struct range, struct function_unit_op,
12257         struct function_unit, struct dimension, enum operator,
12258         operate_exp, expand_units, simplify_knowing,
12259         encode_units_mask, simplify_by_exploding,
12260         find_and_mark_used_attributes, unmark_used_attributes,
12261         add_values_to_cover, increment_current_value,
12262         test_for_current_value, simplify_with_current_value,
12263         simplify_with_current_value_aux, gen_unit,
12264         write_unit_name, write_function_unit_info,
12265         write_complex_function, write_toplevel_expr,
12266         find_single_value, extend_range): Remove.
12267         (write_attr_get): Do not handle common_av->value
12268         being an FFS.
12269         (struct attr_desc): Remove func_units_p and blockage_p.
12270         (write_attr_valueq): Do not handle them.
12271         (find_attr): Do not clear them.
12272         (make_internal_attr): Do not initialize them.
12273         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
12274         * sched-vis.c (init_target_units, insn_print_units,
12275         init_block_visualization, print_block_visualization,
12276         visualize_scheduled_insns, visualize_no_unit,
12277         visualize_stall_cycles, visualize_alloc,
12278         visualize_free, target_units, get_visual_tbl_length,
12279         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
12280         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
12281         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
12282         * haifa-sched.c (blockage_range, clear_units,
12283         schedule_unit, actual_hazard, potential_hazard,
12284         insn_unit, unit_last_insn, unit_tick,
12285         actual_hazard_this_instance, potential_hazard,
12286         schedule_unit, max_insn_queue_index_value): Remove.
12287         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
12288         max_insn_queue_index.
12289         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
12290         * doc/md.texi (Processor pipeline description): Remove
12291         references to old pipeline descriptions.
12292         (Automaton pipeline description): Merge with the above.
12293         (Old pipeline description, Comparison of the two descriptions):
12294         Remove.
12295
12296         * bt-load.c (migrate_btr_def): Remove references to
12297         use_pipeline_interface.
12298         * haifa-sched.c (insn_cost, schedule_insn,
12299         schedule_block, advance_one_cycle, sched_init,
12300         queue_to_ready, sched_finish): Likewise.
12301         * modulo-sched.c (sms_schedule, advance_one_cycle,
12302         ps_has_conflicts): Likewise.
12303         * sched-rgn.c (init_ready): Likewise.
12304         (debug_dependencies): Likewise, and remove an "if (1)".
12305         * target.h (use_dfa_pipeline_interface): Remove.
12306         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12307         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12308         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12309         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12310         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12311         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12312         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12313         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12314         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12315         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12316         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12317         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12318         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12319         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12320         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12321         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12322         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12323         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12324         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
12325
12326 2004-07-19  Roger Sayle  <roger@eyesopen.com>
12327
12328         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
12329
12330 2004-07-19  Jeff Law  <law@redhat.com>
12331
12332         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
12333         (get_eq_expr_value): Use it.  Simplify slightly.
12334
12335 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
12336
12337         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
12338         (umulsidi3_32bit_r4000): Likewise.
12339
12340 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
12341
12342         * vec.h: Propagate location information properly.
12343         (VEC_T_iterate): Add result pointer parameter.
12344         (VEC_T_space): New.
12345         (VEC_T_reserve): Use it.
12346
12347 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
12348
12349         * Makefile.in (c-format.o): Depend on c-format.h.
12350         * c-format.h: New file.
12351         (struct format_char_info): Add CHAIN member.
12352         * c-format.c: Move some types and constants to c-format.h.
12353         (format_type_error): Set to -1.
12354         (struct function_format_info): Use an int for format_type.
12355         (decode_format_type): Return an int.  Return format_type_error
12356         on error.
12357         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
12358         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
12359         (scan_char_table, time_char_table, monetary_char_table): Initialize
12360         CHAIN to NULL.
12361         (n_format_types): New variable.
12362         (check_format_info_main): Handle CHAIN in format_char_info.
12363         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
12364         TARGET_N_FORMAT_TYPES.
12365         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
12366         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
12367         * config/sol2-c.c: New file.
12368         * config/t-sol2: New file.
12369         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
12370         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
12371         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
12372
12373         * doc/extend.texi (Target Format Checks): New section.
12374         (Function Attributes): Mention it.
12375         * doc/invoke.texi: Mention target format checks.
12376         * doc/sourcebuild.texi: Mention target format checks.
12377         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
12378         TARGET_FORMAT_TYPES.
12379
12380 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
12381
12382         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
12383         added.
12384         * config/s390/s390.c (regclass_map initializer): Register 35 added to
12385         ADDR_REGS.
12386         (load_multiple_operation, store_multiple_operation): Removed
12387         pointless sanity check.
12388         (s390_decompose_address): Added check for return_address_pointer_rtx.
12389         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
12390         (s390_return_address_offset): New function.
12391         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
12392         (FRAME_REGNO_P): Added check for register 35.
12393         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
12394         REG_ALLOC_ORDER): Appended entry for register 35.
12395         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
12396         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
12397         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
12398         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
12399         is eliminable using stack pointer or hard frame pointer.
12400         (REGISTER_NAMES): Added name for register 35.
12401         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
12402         pointless sanity check.
12403
12404 2004-07-19  Roger Sayle  <roger@eyesopen.com>
12405
12406         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
12407         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
12408         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
12409         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
12410         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
12411         (fold_relational_const): Tidy up handling of floating point
12412         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
12413         transformation; fold_relational_const assumes constant operands.
12414
12415 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
12416
12417         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
12418         directory.
12419
12420 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
12421
12422         * c-tree.h (struct c_expr): Define.
12423         (C_SET_EXP_ORIGINAL_CODE): Remove.
12424         (parser_build_binary_op, build_compound_expr): Update prototypes.
12425         * c-parse.in (%union): Add exprtype.
12426         (FUNC_NAME): Mark as ttype.
12427         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
12428         exprtype.
12429         (expr): Update.  Define directly in terms of expr_no_commas
12430         instead of using nonnull_exprlist.
12431         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
12432         offsetof_member_designator, typespec_nonreserved_nonattr, init,
12433         initval, designator, component_declarator,
12434         component_notype_declarator, enumerator, array_declarator,
12435         condition, exexpr, switch_statement, stmt_nocomp, stmt,
12436         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
12437         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
12438         where appropriate.
12439         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
12440         * c-common.c (c_common_truthvalue_conversion): Don't check
12441         C_EXP_ORIGINAL_CODE.
12442         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
12443         Don't use C_EXP_ORIGINAL_CODE.
12444         (default_conversion, default_function_array_conversion): Don't use
12445         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
12446         (internal_build_compound_expr): Merge into build_compound_expr.
12447         (build_compound_expr): Take two operands instead of a TREE_LIST.
12448         * objc/objc-act.c (get_super_receiver): Update calls to
12449         build_compound_expr.
12450
12451 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
12452
12453         * config/sh/sh.c (sh_use_dfa_interface): Remove.
12454         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
12455         hook_int_void_1.
12456         * config/sh/sh.md: Extract pipeline descriptions
12457         into separate files.
12458         * config/sh/sh1.md: New file, extracted from sh.md.
12459         * config/sh/sh4.md: New file, extracted from sh.md.
12460         * config/sh/shmedia.md: New file, extracted from sh.md
12461         and rewritten using new-style pipeline description.
12462
12463 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
12464
12465         * config/pa/pa.md: Delete the two remaining define_peephole
12466         patterns.
12467
12468 2004-07-18  Steven Bosscher  <stevenb@suse.de>
12469             Joseph S. Myers  <jsm@polyomino.org.uk>
12470
12471         * c-common.c (c_common_truthvalue_conversion): Don't warn if
12472         TREE_NO_WARNING is set.
12473
12474 2004-07-18  Roger Sayle  <roger@eyesopen.com>
12475
12476         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
12477         simplify_builtin_strncmp): Delete.
12478         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
12479         Change argument to accept an arglist instead of an "exp".  Assume
12480         that the return type is always integer_type_node.  Copy missing
12481         transformations from their now obsolete simplify_builtin_*
12482         equivalents.
12483         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
12484         fold_builtin_strcmp and fold_builtin_strncmp.
12485         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
12486         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
12487         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
12488
12489 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
12490
12491         * Makefile.in (tree-alias-common.o): Update dependencies.
12492
12493 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
12494
12495         * cfgloop.c (flow_loop_nested_p): Fix comment.
12496
12497 2004-07-17  Jason Merrill  <jason@redhat.com>
12498
12499         PR c++/16115
12500         * stor-layout.c (relayout_decl): New fn.
12501         * tree.h: Declare it.
12502         (DECL_BY_REFERENCE): New macro.
12503
12504 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
12505
12506         * libgcc2.c (__enable_execute_stack): New symbol.
12507         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
12508         and declare __enable_execute_stack.
12509         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
12510         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
12511         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
12512         ENABLE_EXECUTE_STACK.
12513         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
12514         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
12515         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
12516         ENABLE_EXECUTE_STACK.
12517         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
12518         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
12519         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
12520         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
12521         ENABLE_EXECUTE_STACK.
12522         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
12523         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
12524         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
12525         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
12526         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
12527         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
12528         (sparc64_initialize_trampoline): Likewise.
12529         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
12530
12531 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
12532
12533         * langhooks.h (builtin_function): New langhook.
12534         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
12535         (LANG_HOOKS_INITIALIZER): Update.
12536         * tree.h (builtin_function): Remove.
12537         * doc/tm.texi: Update.
12538         * c-tree.h (builtin_function): Declare.
12539         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
12540         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
12541         config/ia64/ia64.c, config/iq2000/iq2000.c,
12542         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
12543         config/stormy16/stormy16.c: All callers of builtin_function
12544         changed.
12545
12546 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
12547
12548         PR target/16556
12549         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
12550         Remove white space after the backslash.
12551
12552 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
12553
12554         PR rtl-optimization/16294
12555         * resource.c (return_insn_p): New predicate.
12556         (mark_target_live_regs): Use it.  Special-case return insns.
12557         (init_resource_info): Use it.  Don't scan the epilogue past
12558         a return.
12559
12560 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12561
12562         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
12563         destroy dominance information.
12564         * passes.c (rest_of_handle_loop2):  Free dominance information.
12565         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
12566         jump threading.
12567         (thread_jumps): Update dominance information and remove unreachable
12568         blocks.
12569         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
12570         information and remove the unreachable block.
12571
12572 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
12573
12574         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
12575
12576 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
12577
12578         * doc/sourcebuild.texi: Remove libf2c entry.
12579
12580 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
12581
12582         * config/i386/i386.md (movv16qi_internal): Fix typo.
12583
12584 2004-07-17  Steven Bosscher  <stevenb@suse.de>
12585
12586         * final.c (final_scan_insn): Fix broken commit from previous
12587         patch.
12588
12589 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
12590
12591         * c-typeck.c (parser_build_binary_op): Condition warnings for
12592         X<=Y<=Z on -Wparentheses instead of -Wextra.
12593         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
12594         supported for C only.
12595
12596 2004-07-17  Steven Bosscher  <stevenb@suse.de>
12597
12598         * cfgcleanup.c (try_simplify_condjump): Don't remove line
12599         notes to avoid unreachable code warnings.
12600         * toplev.c (backend_init): Don't emit line notes for
12601         unreachable code warnings.
12602
12603         * combine.c (distribute_notes): Don't distribute a
12604         REG_VTABLE_REF note.
12605         * final.c (final_scan_insn): Don't handle it.
12606         * rtl.c (reg_note_name): Remove it.
12607         * rtl.h (enum reg_node): Dito.
12608
12609         * emit-rtl.c (force_line_numbers, restore_line_number_status):
12610         Remove.
12611         * rtl.h (force_line_numbers, restore_line_number_status):
12612         Remove prototypes.
12613
12614         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
12615         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
12616         (using_eh_for_cleanups): Also moved here.
12617
12618         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
12619         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
12620         to expand_start_case and add_case_node.
12621         * stmt.c (struct nesting): Cleanup unused fields condition_code,
12622         last_unconditional_cleanup, nominal_type, printname, and
12623         line_number_status.
12624         (struct fixup_goto): Remove.
12625         (struct stmt_status): Remove x_goto_fixup_chain field.
12626         (goto_fixup_chain): Remove.
12627         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
12628         pushcase, pushcase_range): Remove.
12629         (expand_start_bindings_and_block): Don't set unused fields in
12630         the nesting stack.
12631         (expand_start_case, add_case_node): Cleanup unused formal arguments.
12632         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
12633         instead of emit_jump_if_reachable.
12634         (emit_case_nodes): Likewise.
12635         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
12636         static.
12637         (update_eh_label): Work around left-over exception handing regions.
12638         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
12639         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
12640         (pass_cleanup_cfg_post_optimizing): New pass.
12641         (init_tree_optimization_passes): Run the new pass after all
12642         optimizations.
12643         * tree.h (pushcase, pushcase_range): Remove prototypes.
12644         (expand_start_case, add_case_node): Update prototypes.
12645
12646 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
12647
12648         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
12649
12650 2004-07-16  Richard Henderson  <rth@redhat.com>
12651
12652         * builtins.c (std_expand_builtin_va_arg): Remove.
12653         (expand_builtin_va_arg): Remove.
12654         * expr.h: Don't declare them.
12655         * gimplify.c (mark_decls_volatile_r): Remove.
12656         (copy_if_shared_r): Don't call it.
12657         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
12658         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
12659         * gimple-low.c (lower_stmt): Likewise.
12660         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
12661         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
12662         * tree-ssa-operands.c (get_expr_operands): Likewise.
12663         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
12664         EXPAND_BUILTIN_VA_ARG.
12665         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
12666         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
12667         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
12668         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
12669
12670 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
12671
12672         * tree-ssa-pre.c (insert_aux): Break out if we hit
12673         a critical edge.
12674
12675 2004-07-16  Richard Henderson  <rth@redhat.com>
12676
12677         * basic-block.h (remove_fake_exit_edges): Declare.
12678         * cfganal.c (remove_fake_predecessors): Rename from
12679         remove_fake_successors; iterate over predecessors.
12680         (remove_fake_exit_edges): New.
12681         * cfgcleanup.c (try_optimize_cfg): Use it.
12682         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
12683         * predict.c (estimate_probability): Likewise.
12684         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
12685         * tree-cfg.c (make_edges): Likewise.
12686         * tree-ssa-pre.c (fini_pre): Likewise.
12687         * profile.c (instrument_edges): Don't remove_fake_edges.
12688         (branch_prob): Do it earlier here.
12689
12690 2004-07-16  Richard Henderson  <rth@redhat.com>
12691
12692         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
12693         switchification wrt CONSTRUCTOR.  Document the reason.
12694
12695 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
12696
12697         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
12698         that prevented descriptive __mf_check source location strings.
12699
12700 2004-07-16  Richard Henderson  <rth@redhat.com>
12701
12702         * tree-def (WITH_SIZE_EXPR): New.
12703         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
12704         * expr.c (expand_expr_real_1): Likewise.
12705         * gimplify.c (maybe_with_size_expr): New.
12706         (gimplify_arg, gimplify_modify_expr): Use it.
12707         (gimplify_modify_expr_to_memcpy): Take size parameter.
12708         (gimplify_modify_expr_to_memset): Likewise.
12709         (gimplify_expr): Handle WITH_SIZE_EXPR.
12710         * tree-alias-common.c (find_func_aliases): Likewise.
12711         * tree-eh.c (tree_could_trap_p): Likewise.
12712         (tree_could_throw_p): Likewise.
12713         * tree-gimple.c (is_gimple_lvalue): Likewise.
12714         (get_call_expr_in): Likewise.
12715         * tree-inline.c (estimate_num_insns_1): Likewise.
12716         (expand_calls_inline): Likewise.
12717         * tree-nested.c (convert_call_expr): Likewise.
12718         * tree-pretty-print.c (dump_generic_node): Likewise.
12719         * tree-sra.c (sra_walk_expr): Likewise.
12720         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
12721         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
12722         * tree-ssa-operands.c (get_expr_operands): Likewise.
12723         * tree-tailcall.c (find_tail_calls): Likewise.
12724
12725         * calls.c (expand_call): Reset old_stack_allocated after
12726         calling emit_stack_restore.
12727
12728 2004-07-16  Richard Henderson  <rth@redhat.com>
12729
12730         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
12731         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
12732         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
12733         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
12734         copy_res_decl_for_inlining.
12735
12736         * tree-inline.c (declare_return_variable): New modify_dest argument.
12737         Use it as the return value, when possible or manditory.  Handle
12738         TREE_ADDRESSABLE types.
12739         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
12740         replacement of CALL_EXPR.
12741
12742 2004-07-16  Richard Henderson  <rth@redhat.com>
12743
12744         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
12745         * gimple-low.c (expand_var_p): Don't check it.
12746         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
12747         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
12748         * tree-ssa-operands.c (add_stmt_operand): Likewise.
12749         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
12750         (find_referenced_vars): Don't call them.
12751         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
12752
12753 2004-07-16  Richard Henderson  <rth@redhat.com>
12754
12755         * function.c (pass_by_reference): True for all variable sized types.
12756
12757 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
12758
12759         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
12760         * tree-pretty-print.c: Include tree-chrec.h.
12761         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
12762         and POLYNOMIAL_CHREC nodes.
12763
12764 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
12765
12766         * builtins.c (expand_builtin_stpcpy): Do not create temporary
12767         reg with VOIDmode.
12768
12769 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
12770
12771         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
12772
12773 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
12774
12775         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
12776         to BASE_REGNUM.
12777         * config/s390/s390.c: Likewise.
12778         * config/s390/s390.h: Likewise.
12779
12780 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12781
12782         * config/mips/mips.md (addsi3, adddi3): Remove special handling
12783         of $sp adds.  Remove REGNO checks from mips16 patterns.
12784
12785 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12786
12787         * config/mips/mips.md: Delete outdated comment.
12788
12789 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12790
12791         * config/mips/mips.c (get_float_compare_codes): Delete.
12792         (mips_emit_compare): New function, mostly extracted from
12793         get_float_compare_codes and gen_conditional_branch.
12794         (gen_conditional_branch, gen_conditional_move): Use it.
12795
12796 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
12797
12798         * genautomata.c (add_vect): Speedup by using integers as
12799         bit-vectors for walking through the comb_vect and finding
12800         a match.
12801
12802 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12803
12804         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
12805         operand is an uns_arith_operand; use subtraction otherwise.
12806         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
12807         not just arith_operands.
12808
12809 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12810
12811         * config/mips/mips-protos.h (gen_int_relational): Delete.
12812         (mips_emit_scc): Declare.
12813         * config/mips/mips.c (internal_test): Delete.
12814         (sle_operand, sleu_operand): New functions.
12815         (map_test_to_internal_test, gen_int_relational): Delete.
12816         (mips_emit_binary, mips_relational_operand_ok_p)
12817         (mips_emit_int_relational, mips_zero_if_equal)
12818         (mips_emit_scc): New functions.
12819         (gen_conditional_branch): Rework to use mips_emit_int_relational.
12820         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
12821         sleu_operand.
12822         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
12823         (sltu, sleu): Use mips_emit_scc.
12824         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
12825         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
12826         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
12827
12828 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12829
12830         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
12831
12832 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12833
12834         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
12835         (*sne_[sd]i): Likewise sne_[sd]i_zero.
12836         (*sgt_[sd]i): ...and sgt_[sd]i.
12837         (*slt_[sd]i): ...and slt_[sd]i.
12838         (*sgtu_[sd]i): ...and sgtu_[sd]i.
12839         (*sltu_[sd]i): ...and sltu_[sd]i.
12840         (*sleu_[sd]i): ...and sleu_[sd]i_const.
12841         Name previously unnamed mips16 patterns.  Formatting fixes.
12842
12843 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12844
12845         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
12846         (branch_type): Delete.
12847         (gen_conditional_branch, gen_conditional_move)
12848         (mips_gen_conditional_trap): Update after name change.  Get the
12849         comparison mode from cmp_operands[0].
12850         * config/mips/mips.h (cmp_type, branch_type): Delete.
12851         (cmp_operands): Renamed from branch_cmp.
12852         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
12853         name change.  Don't set branch_type.
12854         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
12855         mode class of cmp_operands[0] rather than branch_type.  Update after
12856         name change.
12857
12858 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12859
12860         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
12861         of 0...255 to 0 when inside a SET.
12862
12863 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
12864
12865         * config/mips/mips.md: Remove mips16 define_peepholes.
12866
12867 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
12868
12869         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
12870         (fini_pre): Remove fake edges.
12871
12872 2004-07-15  Richard Henderson  <rth@redhat.com>
12873
12874         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
12875         (get_indirect_ref_operands, get_call_expr_operands): ... these.
12876
12877 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
12878
12879         * vec.h (VEC_address): New function.
12880
12881 2004-07-14  Jason Merrill  <jason@redhat.com>
12882
12883         PR middle-end/15885
12884         * gimplify.c (gimplify_arg): New fn, split out from...
12885         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
12886
12887 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
12888
12889         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
12890         generate code which is generated by pushqi1 now
12891         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
12892
12893 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
12894
12895         * combine.c (simplify_set): match the mode of the constant 0 with
12896         the tested operand to match the compare behaviour and the
12897         simplify_relational_operation() expectation.
12898
12899 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
12900
12901         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
12902         ("bordered"): Same.
12903
12904 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
12905
12906         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
12907         unconditionally.
12908         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
12909
12910 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
12911
12912         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
12913         calls in mips16 code.
12914
12915 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
12916
12917         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
12918         the destination of the li as well as for the neg.
12919
12920 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
12921
12922         g++/15861
12923         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
12924         * cgraph.h: Update declaration.
12925         * c-decl.c (build_cdtor): Update call with default priority.
12926         * coverage.c (create_coverage): Ditto.
12927         * tree-mudflap.c (mf_init_fndecl): New tree.
12928         (mudflap_init): Set it.
12929         (mudflap_register_call): Arrange to call __mf_init before the first
12930         __mf_register call.
12931         (mudflap_finish_file): Mark the mudflap static initializer as extra
12932         high priority, to beat all C++ static constructors.
12933
12934 2004-07-15  Jeff Law  <law@redhat.com>
12935
12936         * loop.c (check_insn_for_givs): Restore check for code labels that was
12937         accidentally deleted by a recent checkin.
12938
12939 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
12940
12941         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
12942         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
12943
12944 2004-07-14  Richard Henderson  <rth@redhat.com>
12945
12946         * print-tree.c (print_node): Fix casts last change.
12947
12948 2004-07-15  Paul Brook  <paul@codesourcery.com>
12949
12950         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
12951         to TARGET_UNWIND_INFO.
12952         * except.c (output_function_exception_table): Ditto.
12953         * except.h: Ditto.
12954         * opts.c (decode_options): Ditto.
12955         * passes.c (rest_of_handle_final): Ditto.
12956         * final.c (final_start_function): Ditto.
12957         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
12958         target hook.
12959         * targhooks.h (default_unwind_emit): Declare.
12960         * targhooks.c (default_unwind_emit): New function.
12961         * target-def.h: Define and use TARGET_UNWIND_EMIT.
12962         * target.h (struct gcc_target): Add unwind_emit.
12963         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
12964         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
12965         Remove IA64_UNWIND_EMIT.
12966         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
12967
12968 2004-07-14  Richard Henderson  <rth@redhat.com>
12969
12970         * print-tree.c (print_node): Handle SSA_NAME.
12971
12972 2004-07-14  James E Wilson  <wilson@specifixinc.com>
12973
12974         PR target/16325
12975         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
12976         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
12977
12978 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
12979
12980         * expr.c (expand_assignment): Reenable bitfield += optimizations.
12981         Use alias set 0 for memory, do proper mode calculations and adjust
12982         address for memories.
12983
12984 2004-07-14  Per Bothner  <per@bothner.com>
12985
12986         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
12987         structure with extra column field.
12988         * tree.c (expand_location):  Also fill in column field.
12989         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
12990         gets confused by the two conditionally-compiled definitions.
12991
12992 2004-07-14  Eric Christopher  <echristo@redhat.com>
12993
12994         * calls.c (expand_call): Fix typo in comment.
12995
12996 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
12997
12998         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
12999         comparision of TFmode.
13000
13001 2004-07-14  Richard Henderson  <rth@redhat.com>
13002
13003         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
13004         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
13005         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
13006         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
13007         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
13008         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
13009         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13010         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
13011         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
13012
13013 2004-07-14  Mike Stump  <mrs@apple.com>
13014
13015         * config/darwin.h (WINT_TYPE): Define to be int to match
13016         system header files.
13017
13018 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
13019
13020         * config/xtensa/xtensa.c (function_arg_advance): Check for args
13021         that must be passed in the stack.
13022         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
13023         arguments if the size is not a constant.
13024
13025 2004-07-14  Per Bothner  <per@bothner.com>
13026
13027         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
13028         instead of EXPR_LOCUS in a boolean context, which is always true
13029         if --enable-mapped-location.
13030         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
13031
13032 2004-07-14  Richard Henderson  <rth@redhat.com>
13033
13034         * dominance.c (struct dom_info): Add fake_exit_edge.
13035         (init_dom_info): Allocate it.
13036         (free_dom_info): Free it.
13037         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
13038         in two passes.
13039         (calc_idoms): Honor fake_exit_edge.
13040
13041 2004-07-13  Jason Merrill  <jason@redhat.com>
13042
13043         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
13044         (rhs_test_for): New fn.
13045         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
13046         * tree-gimple.h: Declare them.
13047         * gimplify.c (gimplify_modify_expr): Use the new fns.
13048
13049 2004-07-14  Richard Henderson  <rth@redhat.com>
13050
13051         * config/arm/arm-protos.h (arm_va_arg): Remove.
13052         * config/arm/arm.c (arm_va_arg): Remove.
13053         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
13054         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
13055
13056 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13057
13058         * pa.c (fix_range): New function to mark a range(s) of registers as
13059         fixed registers.
13060         (override_options): Call fix_range if the -mfixed-range option string
13061         is not empty.
13062         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
13063         * doc/invoke.texi (-mfixed-range): Document new option.
13064
13065 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
13066
13067         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
13068         for TARGET_64BIT.
13069         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
13070
13071 2004-07-14  Roger Sayle  <roger@eyesopen.com>
13072
13073         * expmed.c (expand_sdiv_pow2): New function to expand signed division
13074         by a positive power of two, split out from expand_divmod.  Provide
13075         an alternate implementation when shifts are expensive.  Lower the
13076         threshold for using a branchless implementation to BRANCH_COST >= 2.
13077         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
13078
13079 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13080
13081         * tree-dfa.c (make_rename_temp): *Really* work just
13082         like create_tmp_var if called while outside SSA form.
13083
13084 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
13085
13086         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
13087         for division by zero.
13088         ("umodsi3"): Likewise.
13089
13090 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
13091
13092         * config/mips/mips.c (mips_output_move): When generating mips16 code,
13093         force loads of negative constants to be split.
13094         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
13095         Generalize SImode li/neg splitter to cope with other modes.
13096
13097 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13098
13099         * expmed.c: Remove more references to QUEUED in the comments.
13100         * expr.c: Likewise.
13101
13102 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
13103
13104         Revert:
13105         2004-07-13  Richard Henderson  <rth@redhat.com>
13106         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
13107         correctly.
13108
13109 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13110
13111         * tree-dfa.c (make_rename_temp): Work just like
13112         create_tmp_var if called while outside SSA form.
13113
13114 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
13115
13116         * expr.c (enqueue_insn, finish_expr_for_function,
13117         protect_from_queue, queued_subexp_p, mark_queue,
13118         emit_insns_enqueued_after_mark, emit_queue,
13119         expand_increment): Remove.
13120         (store_constructor): Expand increment as an assignment.
13121         (expand_expr_real_1 <case PREINCREMENT_EXPR,
13122         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
13123         case POSTDECREMENT_EXPR>): Abort.
13124         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
13125         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
13126         protect_from_queue, emit_queue, queued_subexp_p): Remove.
13127         * function.h (pending_chain, x_pending_chain): Remove.
13128         * rtl.def (QUEUED): Remove.
13129
13130         * emit-rtl.c (copy_insn_1, copy_most_rtx,
13131         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
13132         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
13133         encode_units_mask): Likewise.
13134         * local-alloc.c (equiv_init_varies_p): Likewise.
13135         * rtl.c (copy_rtx): Likewise.
13136         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
13137         * simplify-rtx.c (simplify_gen_subreg): Likewise.
13138         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
13139
13140         * builtins.c (expand_builtin, expand_builtin_apply,
13141         expand_builtin_mathfn, expand_builtin_mathfn_2,
13142         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
13143         Remove calls to emit_queue and protect_from_queue.
13144         * calls.c (expand_call, precompute_arguments,
13145         precompute_register_parameters, rtx_for_function_call,
13146         store_one_arg): Likewise.
13147         * dojump.c (do_compare_and_jump, do_jump): Likewise.
13148         * explow.c (memory_address): Likewise.
13149         * expmed.c (clear_by_pieces_1, clear_storage,
13150         clear_storage_via_libcall, emit_group_load,
13151         emit_group_store, emit_store_flag,
13152         expand_expr_real_1, store_by_pieces,
13153         store_constructor, store_expr, try_casesi,
13154         try_tablejump): Likewise.
13155         * function.c (expand_pending_sizes): Likewise.
13156         * optabs.c (emit_cmp_and_jump_insns,
13157         emit_conditional_add, emit_conditional_move,
13158         expand_fix, expand_float, prepare_cmp_insn): Likewise.
13159         * stmt.c (emit_case_bit_tests,
13160         expand_asm_expr, expand_computed_goto,
13161         expand_decl_init, expand_end_case_type,
13162         expand_end_stmt_expr, expand_expr_stmt_value,
13163         expand_return, expand_start_case,
13164         optimize_tail_recursion): Likewise.
13165         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13166         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
13167
13168 2004-07-14  Ben Elliston  <bje@au.ibm.com>
13169
13170         * vec.h: Comment fix.
13171
13172 2004-07-13  Richard Henderson  <rth@redhat.com>
13173
13174         * target.h (struct gcc_target): Add calls.pass_by_reference.
13175         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
13176         * function.c (pass_by_reference): Use the hook.
13177         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
13178         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
13179         (hook_pass_by_reference_must_pass_in_stack): New.
13180         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
13181         (alpha_pass_by_reference): New.
13182         (TARGET_PASS_BY_REFERENCE): New.
13183         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13184         * config/arc/arc.c (arc_pass_by_reference): New.
13185         (TARGET_PASS_BY_REFERENCE): New.
13186         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13187         (FUNCTION_ARG_CALLEE_COPIES): True.
13188         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
13189         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
13190         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
13191         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13192         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13193         * config/cris/cris.c (cris_pass_by_reference): New.
13194         (TARGET_PASS_BY_REFERENCE): New.
13195         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
13196         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
13197         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13198         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
13199         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13200         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
13201         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
13202         (frv_function_arg_pass_by_reference): Remove.
13203         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13204         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
13205         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
13206         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
13207         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13208         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
13209         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
13210         (ia64_pass_by_reference): Rename from
13211         ia64_function_arg_pass_by_reference.
13212         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13213         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13214         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
13215         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
13216         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
13217         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13218         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
13219         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
13220         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
13221         (m32r_pass_by_reference): Adjust prototype.  Make static.
13222         Handle mode sizes correctly.
13223         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13224         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
13225         (m68hc11_function_arg_pass_by_reference): Remove.
13226         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13227         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
13228         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
13229         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13230         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
13231         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
13232         (mips_va_arg): Use pass_by_reference.
13233         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
13234         Handle mode sizes correctly.
13235         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13236         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
13237         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
13238         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
13239         (mmix_pass_by_reference): Rename from
13240         mmix_function_arg_pass_by_reference.
13241         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13242         (FUNCTION_ARG_CALLEE_COPIES): True.
13243         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
13244         (mn10300_pass_by_reference): New.
13245         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13246         (FUNCTION_ARG_CALLEE_COPIES): True.
13247         * config/pa/pa.c (pa_pass_by_reference): New.
13248         (TARGET_PASS_BY_REFERENCE): New.
13249         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13250         (FUNCTION_ARG_CALLEE_COPIES): True.
13251         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
13252         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
13253         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
13254         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13255         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
13256         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
13257         (s390_pass_by_reference): Rename from
13258         s390_function_arg_pass_by_reference.
13259         (s390_function_arg_advance): Don't query pass-by-ref.
13260         (s390_function_arg): Likewise.
13261         (s390_gimplify_va_arg): Use pass_by_reference.
13262         (s390_call_saved_register_used): Likewise.
13263         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13264         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
13265         (shcompact_byref, sh_pass_by_reference): New.
13266         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13267         (SHCOMPACT_BYREF): Remove.
13268         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
13269         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
13270         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
13271         (sparc_gimplify_va_arg): Use pass_by_reference.
13272         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13273         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13274         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
13275         (v850_pass_by_reference): New.
13276         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13277         (FUNCTION_ARG_CALLEE_COPIES): True.
13278         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
13279         FUNCTION_ARG_PASS_BY_REFERENCE docs.
13280
13281 2004-07-14  Richard Henderson  <rth@redhat.com>
13282             Richard Sandiford  <rsandifo@redhat.com>
13283
13284         * config/mips/mips-protos.h (mips_va_arg): Delete.
13285         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
13286         * config/mips/mips.c: Include tree-gimple.h.
13287         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
13288         (mips_arg_info): Remove special handling of must_pass_in_stck args.
13289         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
13290         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
13291
13292 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
13293
13294         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
13295         arguments for COND_EXPR in big-endian adjustment code.
13296
13297 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13298
13299         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
13300         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
13301         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
13302         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
13303
13304 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
13305
13306         PR tree-optimization/16443
13307         * tree-ssa-alias.c: Add more description for
13308         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
13309         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
13310         clobbering of call-clobbered and addressable variables.  If
13311         there are any before aliases have been computed, add them.
13312
13313 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
13314
13315         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
13316         verification.
13317
13318 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
13319
13320         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
13321         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
13322         to the same type.
13323
13324 2004-07-13  Per Bothner  <per@bothner.com>
13325
13326         * collect2.c (main):  Handle --no-demangle and --demangle flags.
13327
13328 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
13329
13330         * Makefile.in (OBJS-common): Add tree-data-ref.o.
13331         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
13332         (tree-data-ref.o): New rule.
13333         * lambda.h: New file.
13334         * tree-data-ref.c: New file.
13335         * tree-data-ref.h: New file.
13336         * tree.c (int_cst_value, tree_fold_gcd): New functions.
13337         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
13338
13339 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
13340
13341         PR target/13926
13342         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
13343         * config/sparc/sparc.c (output_ubranch): New function.
13344         * config/sparc/sparc.md (jump pattern): Use it.
13345
13346 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
13347
13348         PR target/16494
13349         * config/sparc/sparc.c (output_cbranch): Properly guard
13350         the code handling far branches with TARGET_V9.
13351         * config/sparc/sparc.md (length attribute): Document the
13352         side-effect of having a length greater or equal to 3.
13353
13354 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
13355             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
13356
13357         PR target/15186
13358         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
13359         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
13360
13361 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
13362             Martin Sebor  <sebor@roguewave.com>
13363
13364         PR target/12602
13365         * doc/invoke.texi (SPARC options): Document -threads
13366         and -pthreads on Solaris.
13367
13368 2004-07-13  Richard Henderson  <rth@redhat.com>
13369
13370         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
13371         by reference.
13372         (ind_gimplify_va_arg_expr): Remove.
13373         * tree.h (ind_gimplify_va_arg_expr): Remove.
13374         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
13375         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
13376         argsp to be null.
13377
13378         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
13379         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
13380         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
13381         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
13382         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
13383
13384 2004-07-13  Richard Henderson  <rth@redhat.com>
13385
13386         * function.c (pass_by_reference): New.
13387         (assign_parm_find_data_types): Use it.
13388         * calls.c (initialize_argument_information): Likewise.
13389         (emit_library_call_value_1): Likewise.
13390         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
13391         * function.h (pass_by_reference): Declare.
13392
13393 2004-07-13  Richard Henderson  <rth@redhat.com>
13394
13395         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
13396         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
13397         * expr.h (MUST_PASS_IN_STACK): Remove.
13398         * system.h (MUST_PASS_IN_STACK): Poison.
13399         * tree.h (must_pass_in_stack_var_size): Declare.
13400         (must_pass_in_stack_var_size_or_pad): Declare.
13401         * calls.c (must_pass_in_stack_var_size): New.
13402         (must_pass_in_stack_var_size_or_pad): Rename from
13403         default_must_pass_in_stack.
13404         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
13405         (TARGET_MUST_PASS_IN_STACK): New.
13406         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
13407         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
13408         (TARGET_MUST_PASS_IN_STACK): New.
13409         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
13410         * config/frv/frv.c (frv_must_pass_in_stack): New.
13411         (TARGET_MUST_PASS_IN_STACK): New.
13412         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
13413         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
13414         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
13415         (ix86_must_pass_in_stack): Make static.
13416         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
13417         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
13418         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
13419         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
13420         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
13421         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
13422         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
13423         (mcore_must_pass_on_stack): Remove.
13424         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
13425         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
13426         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
13427         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
13428         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
13429         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
13430         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
13431         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
13432         (TARGET_MUST_PASS_IN_STACK): New.
13433         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
13434         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
13435         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
13436         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
13437         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
13438         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
13439         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
13440         MUST_PASS_IN_STACK.
13441
13442         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
13443         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
13444         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
13445         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
13446         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
13447         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
13448         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
13449         config/xtensa/xtensa.c: Use target hook.
13450
13451 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
13452
13453         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
13454         * configure: Rebuilt.
13455
13456 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
13457
13458         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
13459         * config/mips/mips.h (mips_reg_names): Don't declare.
13460         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
13461         (TARGET_NAME_REGS): Delete.
13462         (TARGET_SWITCHES): Remove -mrnames.
13463         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
13464         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
13465         in REGISTER_NAMES.
13466         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
13467         (override_options): Remove handling of TARGET_NAME_REGS.
13468
13469 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
13470
13471         * config/mips/mips.h (TARGET_*): Boolify.
13472
13473 2004-07-12  Nick Clifton  <nickc@redhat.com>
13474
13475         * config.gcc: Add sh-*-symbianelf target.
13476         * config/sh/sh.c: Add new target macros:
13477         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
13478         TARGET_CXX_IMPORT_EXPORT_CLASS.
13479         (sh_file_start): Create a definition of the .directive section.
13480         (sh_attribute): Add dllimport and dllexport attributes.
13481         * config/sh/symbian-pre.h: New file.
13482         * config/sh/symbian-post.h: New file.
13483         * config/sh/symbian.c: New file. Contains Symbian specific
13484         functions.
13485         * config/sh/sh-protos.h: Add prototypes for new functions
13486         provided by symbian.c.
13487         * config/sh/t-symbian: New file.
13488         * doc/extend.texi: Document support for dllimport and dllexport
13489         attributes by the sh-symbianelf target.
13490
13491 2004-07-12  James E Wilson  <wilson@specifixinc.com>
13492
13493         * Makefile.in (AR): Use @AR@ not ar.
13494         (NM): New.
13495         (AR_FOR_TARGET): Use $(AR) not ar for native.
13496         (NM_FOR_TARGET): Use $(NM) not nm for native.
13497         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
13498         * configure: Regenerate.
13499
13500 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
13501
13502         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
13503         special case.
13504         (ashldi3_sp64): Likewise.
13505
13506 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13507
13508         PR target/16477
13509         * pa.c (function_arg): Update comment.
13510         * pa.h (BLOCK_REG_PADDING): Define.
13511
13512 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13513
13514         PR tree-optimization/16461
13515         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
13516         arguments of phi nodes.
13517
13518 2004-07-12  Devang Patel  <dpatel@apple.com>
13519
13520         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
13521
13522 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
13523
13524         * function.c (expand_function_start): Ensure r_save is in Pmode.
13525         * calls.c (prepare_call_address): Ensure static_chain_value is
13526         in Pmode.
13527         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
13528         r_save_area are in Pmode.
13529         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
13530         fnaddr, and static_chain are in Pmode.
13531
13532 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
13533
13534         PR target/16445
13535         * config/ia64/ia64.c (bundling): Don't count ignored insns.
13536
13537 2004-07-12  Richard Henderson  <rth@redhat.com>
13538
13539         * target.h (struct gcc_target): Move gimplify_va_arg_expr
13540         next to build_builtin_va_list.
13541         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
13542         * builtins.c (gimplify_va_arg_expr): Likewise.
13543         * gimplify.c (copy_if_shared_r): Likewise.
13544
13545 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
13546
13547         * passes.c (rest_of_decl_compilation): Don't defer call of
13548         assemble_variable if its DECL_RTL is already set.
13549
13550 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
13551
13552         * cfgloop.h (struct loop): Add nb_iterations field.
13553         (current_loops): Declare.
13554         * tree-chrec.c (chrec_not_analyzed_yet,
13555         chrec_dont_know, chrec_known, count_ev_in_wider_type,
13556         chrec_contains_symbols_defined_in_loop): Remove the temporary
13557         hooks.
13558         * tree-flow-inline.h (loop_containing_stmt): New function.
13559         * tree-scalar-evolution.c: Add implementation.
13560         * tree-scalar-evolution.h: Add declarations.
13561
13562 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
13563
13564         PR rtl-optimization/15921
13565         * Makefile.in (global.o): Add recog.h.
13566
13567         * global.c (recog.h): Add the include-clause.
13568         (bb_info): New member earlyclobber.
13569         (allocate_bb_info, free_bb_info): Initialize/finish the new
13570         member.
13571         (earlyclobber_regclass, earlyclobber_regclass_length): The new
13572         global variables.
13573         (check_earlyclobber, regclass_intersect,
13574         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
13575         New functions.
13576         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
13577         (make_accurate_live_analysis): Modify pavin.
13578
13579 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
13580
13581         * tree-cfg.c (find_taken_edge): Statically compute the truth
13582         value of a predicate comparing an SSA_NAME to itself.
13583
13584 2004-07-12  Roger Sayle  <roger@eyesopen.com>
13585
13586         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
13587         rs6000 doesn't have shift-and-add or shift-and-sub instructions
13588         by returning the cost of a multiplication plus an addition.
13589
13590 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
13591
13592         PR tree-optimization/14107
13593         * gimplify.c (gimplify_return_expr): Accept a
13594         RETURN_EXPR with an error argument.
13595         * tree-optimize.c (init_tree_optimization_passes):
13596         Run pass_warn_function_return at -O0.
13597
13598 2004-07-12  Roger Sayle  <roger@eyesopen.com>
13599
13600         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
13601         index entry.
13602
13603 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
13604
13605         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
13606         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
13607         * config/mips/3000.md: Add copyright notice.  Remove automota and
13608         function units; use generic ones instead.  Only define reservations
13609         for things that are different from generic.md.  Extend each clause
13610         to include r3900.
13611         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
13612         * config/mips/mips.md: Include them. Remove define_function_units.
13613         (alu, imuldiv): New automata and units.
13614
13615 2004-07-12  Ben Elliston  <bje@au.ibm.com>
13616
13617         * doc/invoke.texi (Optimize Options): Document -frename-registers
13618         not being enabled by default at -O3.
13619
13620 2004-07-11  Roger Sayle  <roger@eyesopen.com>
13621
13622         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
13623         floating point additions, to keep real immediate constant positive.
13624         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
13625         into X + C, and leave positive real constants as X - C.
13626
13627 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13628
13629         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
13630
13631 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13632
13633         PR tree-optimization/15654
13634         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
13635
13636 2004-07-11  Roger Sayle  <roger@eyesopen.com>
13637
13638         * builtins.c (fold_builtin_fputs): Don't bother converting the
13639         return type to integer_type_node, as we've already checked that
13640         the result will be ignored.
13641
13642         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
13643         that signed addition, subtraction, multiplication, division,
13644         remainder, negation and absolute value may potentially trap.
13645
13646         * fold-const.c (fold_ignored_result): New function to strip
13647         non-side-effecting tree nodes from an expression whose result
13648         is ignored.
13649         (fold_convert): Call fold_ignored_result when casting a value
13650         to VOID_TYPE.
13651         (omit_one_operand):  Call fold_ignored_result on the "omitted"
13652         operand when building a COMPOUND_EXPR.
13653         (pedantic_omit_one_operand): Likewise.
13654         * tree.h (fold_ignored_result): Prototype here.
13655         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
13656         when we're going to ignore the result.
13657
13658 2004-07-11  Richard Henderson  <rth@redhat.com>
13659
13660         PR tree-opt/16383
13661         * tree-ssa-ccp.c (fold_stmt_r): Split out...
13662         * tree.c (fields_compatible_p, find_compatible_field): ... new.
13663         * tree.h (fields_compatible_p, find_compatible_field): Declare.
13664         * tree-sra.c (sra_hash_tree): Hash fields by offset.
13665         (sra_elt_eq): Use fields_compatible_p.
13666         (generate_one_element_ref): Use find_compatible_field.
13667
13668 2004-07-11  Richard Henderson  <rth@redhat.com>
13669
13670         PR tree-opt/16422
13671         * tree-sra.c (generate_one_element_init): New.
13672         (generate_element_init): Use it.
13673         (scalarize_init): Push/pop gimplify context around it.
13674         (find_new_referenced_vars_1, find_new_referenced_vars): New.
13675         * gimplify.c (gimplify_expr): Allow SSA_NAME.
13676
13677 2004-07-11  Roger Sayle  <roger@eyesopen.com>
13678
13679         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
13680         combine.c's combine_insn_cost.
13681         * rtl.h (insn_rtx_cost): Prototype here.
13682         * combine.c (combine_insn_cost): Delete function.
13683         (combine_validate_cost): Update callers of combine_insn_cost to
13684         call insn_rtx_cost instead.
13685         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
13686         requesting the rtx_cost of call and/or jump instructions.
13687
13688         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
13689         rtx_cost directly.  Don't request/use the cost of call or jump
13690         instructions.  Return -1 if the cost of any instruction can't be
13691         determined (or the BB contains a function call).
13692         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
13693         -1 (i.e. can't determine the cost of any instruction or the basic
13694         block contains a subroutine call).
13695         (find_if_case_2): Likewise.
13696
13697 2004-07-11  Roger Sayle  <roger@eyesopen.com>
13698
13699         * rs6000.c (struct processor_costs): Change semantics of fields to
13700         include the COST_N_INSNS scaling, and update all initializers.
13701         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
13702         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
13703         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
13704         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
13705
13706 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
13707
13708         * LANGUAGES: Remove obsolete information.
13709
13710 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
13711
13712         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
13713         SIGBUS signal frames, the PSW address points *to* the faulting
13714         instruction, not after it.
13715
13716 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
13717
13718         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
13719         added to TLS symbol addresses.
13720
13721 2004-07-11  Richard Henderson  <rth@redhat.com>
13722
13723         * expmed.c (init_expmed): Use stack-local structures for
13724         temporary rtl.  Don't recognize shifts.
13725
13726 2004-07-11  Richard Henderson  <rth@redhat.com>
13727
13728         * expr.c (store_expr): Don't fiddle subreg promotion for types
13729         with precision smaller than the mode.
13730
13731 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
13732
13733         * tree.h (all_types_permanent): Remove.
13734
13735 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
13736
13737         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
13738         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
13739         * langhooks.c (lhd_clear_binding_stack): Remove.
13740         * langhooks-def.h (lhd_clear_binding_stack,
13741         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
13742         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
13743         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
13744         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
13745         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
13746         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
13747         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
13748         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
13749         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
13750         * tree.h (poplevel): Don't declare.
13751         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
13752         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
13753         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
13754         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
13755         Remove.
13756
13757 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
13758
13759         PR tree-optimization/16437
13760         * c-common.c (shorten_compare): Don't mark result of conversion to
13761         narrower signed type as overflowing.
13762         * fold-const.c (decode_field_reference): Determine whether
13763         signedness comes from outer type using precision rather than size.
13764
13765 2004-07-11  Phil Edwards  <phil@codesourcery.com>
13766
13767         * configure.ac:  Alphabetize --enable-checking list, add
13768         missing valgrind entry.
13769         * configure:  Regenerate.
13770
13771 2004-07-11  Phil Edwards  <phil@codesourcery.com>
13772
13773         * doc/install.texi (Testing):  Fix syntax in "make check" example.
13774
13775 2004-07-10  James E Wilson  <wilson@specifixinc.com>
13776
13777         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
13778
13779 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13780
13781         PR rtl-optimization/16001
13782         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
13783         niter_expr.
13784
13785 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
13786
13787         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
13788
13789 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
13790             James Morrison  <phython@gcc.gnu.org>
13791
13792         * doc/contrib.texi (Contributors): Add gfortran contributors and
13793         fix a couple of typos.
13794
13795 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13796
13797         PR rtl-optimization/15387
13798         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
13799         to incoming args space correctly.
13800
13801 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13802
13803         * pa.c (output_indirect_call): Only use %r2 as the link register in
13804         indirect calls with the long PA 2.0 pc-relative branch.
13805
13806 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
13807
13808         * config/i386/i386.c (override_options): Pick a 64-bit CPU
13809         for the default tuning if TARGET_64BIT.
13810
13811 2004-07-10  Richard Henderson  <rth@redhat.com>
13812
13813         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
13814         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
13815
13816 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
13817
13818         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
13819         * expmed.c (store_bit_field, extract_bit_field): Remove last
13820         argument.
13821         * builtins.c (expand_builtin_signbit): Adjust callers.
13822         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
13823         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
13824         * ifcvt.c (noce_emit_move_insn): Likewise.
13825         * stmt.c (expand_return): Likewise.
13826         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
13827         store_field, expand_expr_real_1): Likewise.
13828
13829 2004-07-10  Richard Henderson  <rth@redhat.com>
13830
13831         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
13832
13833 2004-07-09  Mike Stump  <mrs@apple.com>
13834
13835         * config/darwin.c (no_dead_strip): Add.
13836         (HAVE_DEAD_STRIP): Add.
13837         (darwin_emit_unwind_label): Ensure that we don't dead code strip
13838         the .eh label.
13839
13840 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13841
13842         * tree-ssa-loop-im.c: New file.
13843         * Makefile.in (tree-ssa-loop-im.o): Add.
13844         * cfgloop.c (superloop_at_depth): New function.
13845         * cfgloop.h (superloop_at_depth): Declare.
13846         * common.opt (ftree-lim): New flag.
13847         * expr.c (array_ref_up_bound): New function.
13848         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
13849         * timevar.def (TV_LIM): New timevar.
13850         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
13851         computing immediate uses of a phi node.
13852         * tree-flow.h (struct tree_ann_common_d): Add aux field.
13853         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
13854         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
13855         * tree-pass.h (pass_lim): Declare.
13856         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
13857         functions.
13858         (pass_lim): New pass structure.
13859         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
13860         * tree.c (in_array_bounds_p): New function.
13861         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
13862         (in_array_bounds_p, array_ref_up_bound): Declare.
13863         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
13864         * doc/passes.texi (tree-ssa-loop-im.c): Document.
13865
13866 2004-07-09  Richard Henderson  <rth@redhat.com>
13867
13868         * builtins.c (expand_builtin_stpcpy): Don't modify len.
13869
13870         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
13871         with prejudice.
13872
13873 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
13874
13875         * flags.h: Delete redundant prototypes that are being generated
13876         in options.h from common.opt.
13877         * common.opt: Add in the expository comments formerly in flags.h.
13878
13879 2004-07-09  Jan Beulich  <jbeulich@novell.com>
13880
13881         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
13882         available for use only when TARGET_MMX/_SSE is set, and check for
13883         variable argument function if any register count is non-zero.
13884         (function_arg): Correctly suppress repeated warnings for passing SSE
13885         vectors are arguments without SSE enabled.
13886         (ix86_function_arg_boundary): Without SSE enabled, the use of what
13887         would be SSE register modes does no longer influence the alignment.
13888
13889 2004-07-09  Richard Henderson  <rth@redhat.com>
13890
13891         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
13892         Always align upward to arg boundary.  Use size_in_bytes/round_up.
13893         Maintain type-correctness of constants.
13894         * stor-layout.c (round_up, round_down): Special-case powers of 2.
13895
13896 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
13897
13898         * config/sparc/sparc.c (*_costs): Scale instruction costs
13899         by COSTS_N_INSNS.
13900         (sparc_rtx_costs): Adjust as appropriate.
13901
13902 2004-07-09  Jan Beulich  <jbeulich@novell.com>
13903
13904         * config/i386/mm3dnow.h: New.
13905         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
13906
13907 2004-07-09  Richard Henderson  <rth@redhat.com>
13908
13909         * simplify-rtx.c (simplify_const_relational_operation): Only
13910         look at bounds of scalar integers.
13911
13912 2004-07-09  Jan Beulich  <jbeulich@novell.com>
13913
13914         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
13915
13916 2004-07-09  Andrew Pinski  <apinski@apple.com>
13917
13918         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
13919         always referenced.
13920         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
13921         UOBJC_METACLASS_decl.
13922
13923 2004-07-09  James E Wilson  <wilson@specifixinc.com>
13924
13925         PR target/16364
13926         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
13927         do return a parallel if hfa_mode == XFmode and mode == TImode.
13928
13929 2004-07-09  Jan Beulich  <jbeulich@novell.com>
13930
13931         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
13932         permissible for unary plus.
13933
13934 2004-07-09  Jan Beulich  <jbeulich@novell.com>
13935
13936         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
13937         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
13938         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
13939         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
13940         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
13941         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
13942         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
13943         (BUILTIN_xxxIMAX): New.
13944         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
13945         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
13946         BUILT_IN_PARITYIMAX.
13947
13948 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
13949
13950         * config/sparc/sparc.h (processor_costs): Define.
13951         (sparc_costs): Declare.
13952         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
13953         hypersparc_costs, sparclet_costs, ultrasparc_costs,
13954         ultrasparc3_costs): New.
13955         (sparc_override_options): Set sparc_costs as appropriate.
13956         (sparc_rtx_costs): Use sparc_costs instead of messy
13957         conditionals.
13958
13959 2004-07-09  Steven Bosscher  <stevenb@suse.de>
13960
13961         * doc/md.texi (Processor pipeline description): Mention that
13962         the old pipeline description is deprecated.
13963
13964         * config/rs6000/7450.md (automaton ppc7450): Split up, move
13965         mciu_7450 function unit to...
13966         (automaton ppc7450mciu): ...new automaton.
13967
13968         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
13969         (schedule_block): Don't consider inserting bubbles.
13970         (sched_init): Don't initialize DFA bubbles.
13971         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
13972         TARGET_SCHED_DFA_BUBBLE): Remove.
13973         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
13974         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
13975         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
13976
13977         * stmt.c (conditional_context): Remove prototype.
13978         * tree.h (conditional_context): Remove.
13979         * tree-cfg.c (pre_insert_on_edge): Remove.
13980
13981         * c-common.h (c_expand_asm_operands): Remove prototype.
13982         * c-typeck.c (c_expand_asm_operands): Remove.
13983
13984 2004-07-09  Jan Beulich  <jbeulich@novell.com>
13985
13986         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
13987         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
13988         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
13989         and V8QI are class SSE. All sufficiently small remaining vector modes
13990         must be passed in one or two integer registers.
13991         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
13992         returned in memory.
13993         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
13994         __builtin_ia32_pmuludq128 have non-uniform argument and return types
13995         and must thus be handled explicitly.
13996         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
13997         MMX and XMM regs.
13998         (movv8qi_internal, movv4hi_internal, movv2si_internal,
13999         movv2sf_internal): Permit moving between MMX and XMM registers (since
14000         MMX areguments and return values are passed in XMM registers).
14001         (sse2_umulsidi3): Correct type and mode.
14002
14003 2004-07-09  Richard Henderson  <rth@redhat.com>
14004
14005         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
14006
14007 2004-07-09  Eric Christopher  <echristo@redhat.com>
14008
14009         * config/rs6000/40x.md: Split into two automatons.
14010
14011 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
14012             Andrew Pinski  <apinski@apple.com>
14013
14014         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
14015         on when we have more than one input file.
14016         (c_common_parse_file): Restore loop over all input files.
14017         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
14018
14019         * c-decl.c (set_type_context): New function.
14020         (pop_scope): Use it to set context of types.  When we
14021         encounter a TYPE_DECL, set the context of the attached type too.
14022         (pop_file_scope): Don't call cpp_undef_all here.
14023         (diagnose_mismatched_decls): Do not complain about a second
14024         definition of an 'extern inline' function if it's not in the
14025         same translation unit.  Do not complain about inline
14026         declaration after use if the use was in a different
14027         translation unit.
14028         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
14029         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
14030         the external scope.
14031         (pushdecl_top_level): Likewise.
14032         (grokdeclarator): Clarify what is going on with setting
14033         DECL_EXTERNAL on function types, a little.
14034         (c_write_global_declarations): Don't do anything if
14035         -fsyntax-only or errors have been encountered.
14036
14037 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
14038
14039         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
14040
14041 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14042
14043         PR target/16459
14044         * pa.c (output_indirect_call): Use %r2 as the link register when
14045         calling $$dyncall with a pc-relative branch.
14046
14047 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
14048
14049         * doc/install.texi (Binaries): Mention OpenPKG.
14050
14051 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
14052
14053         Fix PR tree-optimization/15555
14054         * tree-dfa.c (dump_variable): If the variable is a pointer
14055         SSA_NAME, also dump its points-to information.
14056         * tree-flow.h (struct ptr_info_def): Add field
14057         is_dereferenced.
14058         (dump_points_to_info_for): Declare.
14059         (debug_points_to_info_for): Declare.
14060         * tree-optimize.c (init_tree_optimization_passes): Add a
14061         second alias analysis pass after DOM2.
14062         Move pass_del_pta to a later spot.
14063         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
14064         create a name tags when we find a dereferenced pointer.  Just
14065         mark the pointer dereferenced.
14066         (collect_points_to_info_for): Move code to clear points-to
14067         information to create_name_tags.
14068         (create_name_tags): New function.
14069         (compute_flow_sensitive_aliasing): Call it.
14070         (setup_pointers_and_addressables): Mark type tags for renaming
14071         here instead of ...
14072         (create_memory_tag): ... here.
14073         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
14074         (dump_points_to_info_for): Declare extern.
14075         (debug_points_to_info_for): New function.
14076
14077 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
14078
14079         * config/arc/arc.md: Switch to DFA-based scheduler description.
14080         * config/arc/arc.c: Switch to DFA-based scheduler description.
14081
14082 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
14083
14084         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
14085         pointer.
14086
14087 2004-07-09  Richard Henderson  <rth@redhat.com>
14088
14089         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
14090         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14091         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
14092         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
14093
14094         * config/v850/v850-protos.h (v850_va_arg): Remove.
14095         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14096         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
14097         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
14098         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
14099         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
14100
14101 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
14102
14103         PR target/12133
14104         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
14105         and DImode to use +/-4k offset.
14106
14107 2004-07-09  Richard Henderson  <rth@redhat.com>
14108
14109         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
14110         Remove.
14111         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14112         (xstormy16_gimplify_va_arg_expr): Rewrite from
14113         xstormy16_expand_builtin_va_arg.
14114         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
14115
14116         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
14117         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
14118
14119         * config/sh/sh-protos.h (sh_va_arg): Remove.
14120         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14121         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
14122         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
14123
14124         * config/pa/pa-protos.h (hppa_va_arg): Remove.
14125         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14126         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
14127         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
14128
14129         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
14130         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14131         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
14132         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
14133
14134 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
14135
14136         * config/sparc/sparc.md (return): Rewrite length formula.
14137         * config/sparc/sparc.c (output_return): Pass 1 as 5th
14138         argument to final_scan_insn when in a delay slot.
14139         (output_sibcall): Likewise.
14140
14141 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
14142
14143         * arm.c (arm_cpp_interwork): New variable.
14144         (arm_override_options): Set it if TARGET_INTERWORK was on the command
14145         line.
14146         * arm.h (arm_cpp_interwork): Declare it.
14147         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
14148         __THUMB_INTERWORK__ in the preprocessor.
14149
14150 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
14151
14152         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
14153
14154 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
14155
14156         PR target/16416
14157         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
14158         Override default settings to account for -m32 and -m64.
14159
14160 2004-07-08  Randolph Chung  <tausq@debian.org>
14161
14162         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
14163
14164 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
14165
14166         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
14167         before comparing it as such.
14168
14169 2004-07-08  Richard Henderson  <rth@redhat.com>
14170
14171         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
14172         temporary.  Use bit arithmetic to align.
14173
14174 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
14175
14176         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
14177         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
14178         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
14179         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
14180         add_labels_and_missing_jumps, find_jump_block,
14181         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
14182         Likewise.
14183         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
14184         link_btr_uses, move_btr_def): Likewise.
14185         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
14186         expand_builtin_expect_jump): Likewise.
14187         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
14188         * calls.c (expand_call, emit_library_call_value_1): Likewise.
14189         * cfganal.c (forwarder_block_p): Likewise.
14190         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
14191         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
14192         find_bb_boundaries): Likewise.
14193         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
14194         merge_blocks_move_predecessor_nojumps,
14195         merge_blocks_move_successor_nojumps, insns_match_p,
14196         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
14197         try_optimize_cfg): Likewise.
14198         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
14199         * cfglayout.c (skip_insns_after_block, label_for_bb,
14200         record_effective_endpoints, insn_locators_initialize,
14201         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
14202         * cfgmainloop.c (create_loop_notes): Likewise.
14203         * cfgrtl.c (delete_insn, delete_insn_chain,
14204         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
14205         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
14206         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
14207         redirect_branch_edge, force_nonfallthru_and_redirect,
14208         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
14209         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
14210         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
14211         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
14212         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
14213         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
14214         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
14215         * combine.c (combine_instructions, can_combine_p, try_combine,
14216         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
14217         distribute_notes, distribute_links, insn_cuid): Likewise.
14218         * cse.c (fold_rtx, cse_insn, cse_around_loop,
14219         invalidate_skipped_block, cse_set_around_loop,
14220         cse_end_of_basic_block, cse_main, cse_basic_block,
14221         cse_condition_code_reg): Likewise.
14222         * cselib.c (cselib_process_insn): Likewise.
14223         * ddg.c (create_ddg): Likewise.
14224         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
14225         Likewise.
14226         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
14227         gen_label_die, dwarf2out_var_location): Likewise.
14228         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
14229         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
14230         last_call_insn, active_insn_p, next_label, prev_label,
14231         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
14232         add_insn_before, remove_insn, add_function_usage_to,
14233         reorder_insns, find_line_note, remove_unnecessary_notes,
14234         emit_insn_after_1, classify_insn): Likewise.
14235         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
14236         connect_post_landing_pads, sjlj_mark_call_sites,
14237         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
14238         can_throw_internal, can_throw_external, set_nothrow_function_flags,
14239         convert_to_eh_region_ranges): Likewise.
14240         * explow.c (optimize_save_area_alloca): Likewise.
14241         * expr.c (expand_expr_real): Likewise.
14242         * final.c (insn_current_reference_address, compute_alignments,
14243         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
14244         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
14245         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
14246         propagate_block_delete_insn, propagate_one_insn,
14247         init_propagate_block_info, propagate_block, libcall_dead_p,
14248         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
14249         Likewise.
14250         * function.c (instantiate_virtual_regs, reorder_blocks_1,
14251         expand_function_start, expand_function_end, contains,
14252         thread_prologue_and_epilogue_insns,
14253         reposition_prologue_and_epilogue_notes): Likewise.
14254         * gcse.c (constprop_register, bypass_conditional_jumps,
14255         insert_insn_end_bb, gcse_after_reload): Likewise.
14256         * genemit.c (gen_expand, gen_split): Likewise.
14257         * genpeep.c (gen_peephole, main): Likewise.
14258         * global.c (build_insn_chain): Likewise.
14259         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
14260         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
14261         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
14262         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
14263         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
14264         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
14265         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
14266         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
14267         dead_or_predicable): Likewise.
14268         * integrate.c (try_constants): Likewise.
14269         * jump.c (rebuild_jump_labels, cleanup_barriers,
14270         purge_line_number_notes, init_label_info, mark_all_labels,
14271         squeeze_notes, get_label_before, get_label_after,
14272         reversed_comparison_code_parts, simplejump_p, pc_set,
14273         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
14274         delete_barrier, delete_prior_computation, delete_computation,
14275         delete_related_insns, delete_for_peephole, redirect_jump):
14276         Likewise.
14277         * lcm.c (optimize_mode_switching): Likewise.
14278         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
14279         Likewise.
14280         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
14281         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
14282         * loop-iv.c (simplify_using_assignment): Likewise.
14283         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
14284         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
14285         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
14286         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
14287         check_insn_for_givs, check_final_value, update_giv_derive,
14288         basic_induction_var, product_cheap_p, check_dbra_loop,
14289         loop_insn_first_p, last_use_this_basic_block,
14290         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
14291         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
14292         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
14293         sms_schedule_by_order): Likewise.
14294         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
14295         * postreload.c (reload_cse_simplify_operands, reload_combine,
14296         reload_cse_move2add): Likewise.
14297         * predict.c (can_predict_insn_p, estimate_probability,
14298         expected_value_to_br_prob, process_note_predictions): Likewise.
14299         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
14300         * profile.c (branch_prob): Likewise.
14301         * ra-build.c (live_out_1, livethrough_conflicts_bb,
14302         detect_webs_set_in_cond_jump): Likewise.
14303         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
14304         ra_print_rtl_with_bb): Likewise.
14305         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
14306         * recog.c (next_insn_tests_no_inequality, find_single_use,
14307         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
14308         * reg-stack.c (next_flags_user, record_label_references,
14309         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
14310         compensate_edge, convert_regs_1): Likewise.
14311         * regclass.c (scan_one_insn): Likewise.
14312         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
14313         regmove_optimize, fixup_match_1, single_set_for_csa,
14314         combine_stack_adjustments_for_block): Likewise.
14315         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
14316         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
14317         find_equiv_reg): Likewise.
14318         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
14319         reload_as_needed, emit_input_reload_insns, do_output_reload,
14320         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
14321         Likewise.
14322         * reorg.c (find_end_label, emit_delay_sequence,
14323         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
14324         get_jump_flags, rare_destination, mostly_true_jump,
14325         try_merge_delay_insns, redundant_insn, own_thread_p,
14326         fill_simple_delay_slots, fill_slots_from_thread,
14327         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
14328         dbr_schedule): Likewise.
14329         * resource.c (find_basic_block, next_insn_no_annul,
14330         find_dead_or_set_registers, mark_target_live_regs): Likewise.
14331         * rtl.h (RTX_PREV): Likewise.
14332         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
14333         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
14334         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
14335         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
14336         tablejump_p, computed_jump_p, insns_safe_to_move_p,
14337         find_first_parameter_load, can_hoist_insn_p): Likewise.
14338         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
14339         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
14340         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
14341         schedule_ebbs): Likewise.
14342         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
14343         is_conditionally_protected, can_schedule_ready_p,
14344         add_branch_dependences, debug_dependencies): Likewise.
14345         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
14346         Likewise.
14347         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
14348         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
14349         set_dominates_use, ujump_to_loop_cont): Likewise.
14350         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
14351         * varasm.c (output_constant_pool_1): Likewise.
14352
14353 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
14354
14355         * tree-scalar-evolution.c: New file.
14356         * tree-scalar-evolution.h: New file.
14357         * tree-ssa-loop-niter.c: New file.
14358         * Makefile.in (SCEV_H): New.
14359         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
14360         * cfgloop.h (struct loop): Add bounds field.
14361         * tree-flow.h (struct tree_niter_desc): New type.
14362         (number_of_iterations_cond, number_of_iterations_exit,
14363         loop_niter_by_eval, find_loop_niter_by_eval,
14364         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
14365         free_numbers_of_iterations_estimates): Declare.
14366         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
14367         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
14368         * doc/invoke.texi (max-iterations-to-track): Document.
14369
14370 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
14371
14372         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
14373         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
14374         (MODE_AFTER): Add cast appropriately.
14375         * config/sh/sh.md (movdi splitter): Likewise.
14376         (casesi_worker_2): Add const qualifier appropriately.
14377         (eh_return): Remove unused variable.
14378         (insv): Initialize v;
14379
14380 2004-07-08  Richard Henderson  <rth@redhat.com>
14381
14382         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
14383         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14384         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
14385         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
14386         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
14387
14388         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
14389         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14390         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
14391         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
14392
14393         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
14394         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14395         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
14396         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
14397
14398         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
14399         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14400         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
14401         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
14402
14403         * config/i860/i860-protos.h (i860_va_arg): Remove.
14404         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14405         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
14406         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
14407
14408 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
14409
14410         * system.h: Prototype getpagesize if missing.
14411         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
14412         * configure: Regenerate.
14413         * config.in: Regenerate.
14414
14415 2004-07-08  Richard Henderson  <rth@redhat.com>
14416
14417         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
14418         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14419         (fr30_gimplify_va_arg_expr): New.
14420         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
14421         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
14422
14423 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
14424
14425         PR target/16414
14426         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
14427         of asm_noperands result.
14428
14429 2004-07-08  Richard Henderson  <rth@redhat.com>
14430
14431         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
14432         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14433         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
14434         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
14435
14436 2004-07-08  Richard Henderson  <rth@redhat.com>
14437
14438         * builtins.c (ind_gimplify_va_arg_expr): New.
14439         * tree.h (ind_gimplify_va_arg_expr): Declare.
14440         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
14441
14442 2004-07-08  Jan Beulich  <jbeulich@novell.com>
14443
14444         * expmed.c (extract_bit_field): Correct condition to use vec_extract
14445         patterns also on vector elements other than the first one.
14446         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
14447         break statements.
14448
14449 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
14450
14451         * config/rs6000/darwin-ldouble.c: Correct reference
14452         to the Linnainmaa paper.
14453
14454 2004-07-08  Richard Henderson  <rth@redhat.com>
14455
14456         * config/arc/arc-protos.h (arc_va_arg): Remove.
14457         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14458         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
14459         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
14460
14461         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
14462         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
14463         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
14464         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
14465
14466 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14467
14468         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
14469
14470 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
14471
14472         * c-decl.c (static_ctors, static_dtors): Make static.
14473         (pop_file_scope): Call c_common_write_pch and
14474         cgraph_finalize_compilation_unit here.
14475         (build_cdtor): Moved here from c-objc-common.c; simplify.
14476         (c_write_global_declarations_1): Clarify comment.
14477         (c_write_global_declarations): Close the external scope before
14478         doing anything else.  Call build_cdtor, cgraph_optimize, and
14479         mudflap_finish_file here.
14480         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
14481         Clarify comment.
14482         * c-objc-common.c: No need to include cgraph.h.
14483         (build_cdtor): Moved to c-decl.c.
14484         (c_objc_common_finish_file): Delete.
14485         * c-tree.h: Update to match.
14486         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
14487         (generate_static_references): Set TREE_USED before calling finish_decl.
14488         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
14489         on the static_instances_decl.
14490
14491 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
14492
14493         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
14494         decls when there is only one input translation unit.
14495         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
14496         change of 2004-07-05; do not treat declarations with
14497         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
14498         * opts.c (cur_in_fname): Delete.
14499         * opts.h: Likewise.
14500         * tree.c: Revert changes of 2004-07-05; no special treatment
14501         for TRANSLATION_UNIT_DECLs.
14502         * Makefile.in (tree.o): Update dependencies.
14503
14504 2004-07-08  Roger Sayle  <roger@eyesopen.com>
14505
14506         * builtins.c (fold_builtin_strcpy): Merge functionality from
14507         simplify_builtin_strcpy.  Add additional len argument.  No longer
14508         static.  Remove function prototype.
14509         (fold_builtin_strncpy): Likewise integrate functionality from
14510         simplify_builtin_strncpy.  Add additional slen argument.  No
14511         longer static.  Remove function prototype.
14512         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
14513         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
14514         types of "ignore" and "unlocked" parameters to bool.
14515         (fold_builtin_1):  Add additional ignore argument.  Call renamed
14516         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
14517         builtins.  Update arguments to fold_builtin_strncpy and
14518         fold_builtin_strcpy.  Add function prototype.
14519         (fold_builtin): Add additional Boolean ignore argument to pass
14520         to fold_builtin_1.
14521         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
14522         and fold_builtin_strncpy instead of simplify_builtin_fputs,
14523         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
14524
14525         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
14526         simplify_builtin_strncpy): Delete function prototypes.
14527         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
14528         fold_builtin_strncpy): Add function prototypes here.
14529         (fold_builtin): Update function prototype with new "bool ignore".
14530
14531         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
14532         (ccp_fold_builtin):  Update call to fold_builtin.  Call
14533         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
14534         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
14535         simplify_builtin_strncpy respectively.
14536         * fold-const.c (fold): Update call to fold_builtin.
14537
14538 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
14539
14540         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
14541         to strcpy.
14542
14543         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
14544         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
14545         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
14546         * calls.c: Remove ifdefs of macros above.
14547         * functions.c: Likewise.
14548         * expr.c: Likewise.
14549
14550 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
14551
14552         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
14553         (arch attribute): Delete.
14554         (current_function_calls_alloca attribute): Rename into calls_alloca.
14555         (calls_eh_return): New attribute.
14556         (leaf_function): Likewise.
14557         (length attribute): Fix formula for sibcalls.
14558         (return insn): Correctly compute the 'length' attribute.
14559         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
14560
14561 2004-07-08  Richard Henderson  <rth@redhat.com>
14562
14563         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
14564         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
14565         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
14566         * tree-eh.c (lower_eh_constructs_1): Likewise.
14567         * tree-sra.c (sra_walk_modify_expr): Likewise.
14568         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
14569         (eliminate_unnecessary_stmts): Likewise.
14570         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14571         * tree-tailcall.c (optimize_tail_call): Likewise.
14572         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
14573
14574 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
14575             Jakub Jelinek  <jakub@redhat.com>
14576
14577         * config/i386/i386.c (override_options): Enable
14578         SSE prefetches with -mtune, as long as we are
14579         compiling for i686 or higher.  All i686 processors
14580         accept SSE prefetches as NOPS, some i586's don't.
14581
14582 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
14583
14584         PR target/10567
14585         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
14586
14587 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
14588
14589         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
14590         the handling of clobbering ASM_EXPRs.
14591
14592 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
14593
14594         PR target/16430
14595         * config/sparc/sparc.c (function_value): In 64-bit mode,
14596         return the aggregates larger than 16 bytes like unions.
14597
14598 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
14599
14600         PR target/16199
14601         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
14602         'temp' is zero, generate new pseudos as needed and emit the
14603         sequence of insns in single-assignment form.  Resync comments
14604         with code.
14605         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
14606         function before reload.
14607
14608 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
14609
14610         * vec.c (vec_assert_fail): Remove duplicate 'function'.
14611
14612         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
14613
14614         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
14615         Allocation is signed.
14616         (VEC_reserve): Return flag, allocation is signed.
14617
14618 2004-07-08  Richard Henderson  <rth@redhat.com>
14619
14620         * tree-ssa-ccp.c (fold_stmt): Get type directly from
14621         OBJ_TYPE_REF_OBJECT.
14622
14623 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
14624             Neil Booth  <neil@daikokuya.co.uk>
14625
14626         PR c/2511
14627         PR c/3325
14628         * c-decl.c (finish_struct): Ensure bit-fields are given the
14629         correct type.
14630         * c-common.c (c_common_signed_or_unsigned_type): For C, require
14631         the precision to match as well as the mode.
14632         * expr.c (reduce_to_bit_field_precision): New function.
14633         (expand_expr_real_1): Reduce expressions of bit-field type to
14634         proper precision.
14635         * langhooks.h (reduce_bit_field_operations): New hook.
14636         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
14637         Define.
14638         * c-lang.c, objc/objc-lang.c
14639         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
14640         * objc/objc-act.c (check_ivars): Convert types to bit-field types
14641         before checking.
14642         * tree.c (build_nonstandard_integer_type): New function.
14643         * tree.h (build_nonstandard_integer_type): New prototype.
14644         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
14645         conversions between integer and boolean types as useless.
14646
14647 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
14648
14649         * c-common.c (c_common_nodes_and_builtins): Do not
14650         create __builtin_ptrdiff_t and __builtin_size_t.
14651
14652 2004-07-08  Andrew Pinski  <apinski@apple.com>
14653
14654         * Makefile.in (libbackend.o): Add -combine to the gcc
14655         command line.
14656
14657 2004-07-08  Nick Clifton  <nickc@redhat.com>
14658
14659         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
14660         Set to -Os.
14661
14662 2004-07-08  Richard Henderson  <rth@redhat.com>
14663
14664         * except.c (expand_eh_region_start, expand_eh_region_end,
14665         expand_eh_handler, expand_eh_region_end_cleanup,
14666         expand_start_all_catch, expand_start_catch, expand_end_catch,
14667         expand_end_all_catch, expand_eh_region_end_allowed,
14668         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
14669         expand_eh_region_end_fixup): Remove.
14670         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
14671         cleanups, outer_cleanups, label_chain, exception_region.
14672         (struct goto_fixup): Remove stack_level, cleanup_list_list.
14673         (struct label_chain): Remove.
14674         (struct stmt_status): Remove x_stack_block_stack.
14675         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
14676         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
14677         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
14678         end_cleanup_deferral, last_cleanup_this_contour,
14679         containing_blocks_have_cleanups_or_stack_level,
14680         any_pending_cleanups): Remove.
14681         (expand_null_return_1): Take no arguments.
14682         (expand_label, expand_naked_return, expand_return,
14683         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
14684         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
14685         expand_end_case_type): Don't use any of them.
14686         * calls.c (expand_call): Likewise.
14687         * dojump.c (do_jump): Likewise.
14688         * function.c (expand_function_end): Likewise.
14689         * expr.c (store_expr, expand_expr_real_1): Likewise.
14690         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
14691         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
14692         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
14693         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
14694         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
14695         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
14696         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
14697         for WITH_CLEANUP_EXPR.
14698         (gimple_push_cleanup): Likewise.
14699         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
14700         * print-tree.c (print_node): Likewise.
14701         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
14702         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
14703         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
14704         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
14705         (GOTO_SUBROUTINE_EXPR): Remove.
14706         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
14707         (DECL_TOO_LATE): Remove.
14708         * except.h, tree.h: Update decls.
14709
14710 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
14711
14712         * explow.c (optimize_save_area_alloca): Do not accept parameters.
14713         * passes.c (rest_of_handle_final): Handle symout.
14714         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
14715         Push timevar here.
14716         (rest_of_handle_sched): Break out SMS.  Remove ifs for
14717         flag_schedule_insns and flag_modulo_sched.
14718         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
14719         collect at the end.
14720         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
14721         (rest_of_handle_partition_blocks, rest_of_handle_sms,
14722         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
14723         rest_of_handle_mode_switching, rest_of_handle_jump,
14724         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
14725         rest_of_handle_jump2, rest_of_handle_postreload,
14726         rest_of_handle_flow2, rest_of_clean_state,
14727         rest_of_handle_shorten_branches,
14728         rest_of_handle_prologue_epilogue,
14729         rest_of_handle_branch_target_load_optimize): New.
14730         (rest_of_compilation): Call the above.  Remove ggc_collect
14731         calls moved to rest_of_handle_*.
14732         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
14733
14734         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
14735         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
14736         * except.h (set_nothrow_function_flags): Update comment.
14737         * function.c (current_function_nothrow): Remove.
14738         * output.h (current_function_nothrow): Remove.
14739         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
14740         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
14741
14742 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
14743
14744         PR bootstrap/16326
14745         * reorg.c: Revert 2004-06-30 change.
14746         (find_end_label): If HAVE_epilogue and !HAVE_return,
14747         return 0 instead of creating a label at the end of the insn chain.
14748         (optimize_skip): Account for the failure mode of find_end_label.
14749         (fill_simple_delay_slots): Likewise.
14750         (fill_slots_from_thread): Likewise.
14751         (relax_delay_slots): Likewise.
14752
14753 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
14754
14755         * tree-flow.h (addressable_vars): Declare.
14756         * tree-ssa-alias.c (addressable_vars): Define.
14757         (setup_pointers_and_addressables): Add addressable variables
14758         to addressable_vars.
14759         * tree-ssa-operands.c (get_stmt_operands): Move
14760         handling of ASM_EXPRs ...
14761         (get_asm_expr_operands): ... here.
14762         When the ASM_EXPR clobbers memory, also clobber addressable
14763         variables.
14764         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
14765         (delete_tree_ssa): Reset addressable_vars.
14766
14767 2004-07-07  Jan Beulich  <jbeulich@novell.com>
14768             Richard Henderson  <rth@redhat.com>
14769
14770         * varasm.c (assemble_variable): Use assemble_zeros for
14771         zero-initialized variables.
14772         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
14773         for SECCAT_BSS and SECCAT_TBSS.
14774
14775 2004-07-07  Jan Beulich  <jbeulich@novell.com>
14776
14777         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
14778
14779         * expmed.c (emit_store_flag): Also special-case double-word
14780         (in-)equality comparison against -1.
14781
14782         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
14783         passing arguments the containers for which are registers.
14784
14785         * calls.c (emit_library_call_value_1): Use mode of function parameter
14786         rather than that of argument since constants have none.
14787
14788 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
14789
14790         Introduce H8SX support.
14791         * expr.c (expand_strcpy): Renamed and moved to...
14792         * builtins.c (expand_movstr): ... here.  Tweak.
14793         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
14794         computed or has side effects.
14795         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
14796         unused, or if mempcpy fails.  Adjust the return value in the
14797         latter case.  Use movstr if everything else fails.
14798         * doc/md.texi (movstr): Document.
14799         (movmemM, clrmemM): Fix explanation of memory block operands.
14800         * config/h8300/h8300.md (stpcpy): Renamed to...
14801         (movstr): ... this.  Adjust.
14802         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
14803         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
14804         movmem* and clrstr* to clrmem*.
14805         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
14806         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
14807         GENERAL_REGS, always.
14808         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
14809         getting the stack pointer as addr.
14810         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
14811         from general_operand_dst.
14812         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
14813         variant of...
14814         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
14815         instead of requiring it to match only before reload.
14816         (stpcpy_internal_normal): New, normal-mode variant of...
14817         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
14818         `D' instead of requiring it to match only before reload.
14819         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
14820         mode argument.
14821         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
14822         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
14823         h8300_get_index.
14824         * config/h8300/h8300.md (attr type): Add call.
14825         (attr can_delay): If type is call, set it no.
14826         (call, call_value): Set type to call.
14827         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
14828         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
14829         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
14830         * tree.c (get_narrower): Don't narrow integral types into
14831         non-integral types.
14832         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
14833         frame_size *before* the first use.
14834         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
14835         on input.
14836         (peephole2): Don't widen instructions that push SP.  Move
14837         decrement of SP to the end of all stm-generating peepholes.
14838         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
14839         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
14840         and OR to set it to all ones.
14841         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
14842         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
14843         (call, call_value): Set can_delay to "no".
14844         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
14845         * config/h8300/h8300.md (extzv): Make subreg check more robust.
14846         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
14847         * config/h8300/h8300.md (*brabit): Remove.
14848         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
14849         zero_extract.  Use bit_memory_operand as the predicate for
14850         operand 1 and 'WU' as the constraint.  Check the difference
14851         between the base length and the final one when deciding which
14852         type of branch to use.
14853         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
14854         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
14855         Use convert_move to extend the result for TARGET_H8300SX.  Check
14856         for QImode memory references.  Optimize the case where the
14857         destination is a paradoxical subreg.
14858         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
14859         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
14860         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
14861         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
14862         * config/h8300/h8300.md: Include mova.md
14863         (length_table): Add mova and mova_zero.
14864         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
14865         after all constant addresses for '%R', '%X', '%T' and '%S'.
14866         (h8300_mova_length): New function.
14867         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
14868         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
14869         dependencies for s-config, etc.
14870         * config/h8300/gemova.sh: New file.
14871         * config/h8300/mova.md: Generated.
14872         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
14873         * config/h8300/h8300.c (h8300_bitfield_length): New.
14874         (nibble_operand): Adjust.
14875         (h8300_binary_length): Handle conditional binary op.
14876         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
14877         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
14878         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
14879         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
14880         constraints.  WU is introduced as a variant of U that requires a
14881         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
14882         * config/h8300/h8300.md (attr type): Added bitbranch.
14883         (attr length_table): Added bitfield and bitbranch.
14884         (attr length): Compute bitbranch length.
14885         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
14886         least-significant bit of a byte.
14887         (brabit, brabc, brabs): New.
14888         (insv, extzv): Emit bfst and bfld on H8300SX.
14889         (bfld, bfst, seq, sne): New.
14890         (bstzhireg, cmpstz, bstz, bistz): New.
14891         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
14892         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
14893         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
14894         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
14895         (h8sx_unary_memory_operator): New function.
14896         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
14897         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
14898         * config/h8300/h8300.md: Add peepholes to combine reloads and
14899         arithmetic insns.
14900         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
14901         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
14902         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
14903         (and?i, ior?i, xor?i): Likewise.
14904         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
14905         * config/h8300/h8300.c: Move enums and prototypes to head of file.
14906         Various whitespace fixes.
14907         (h8300_constant_length): New function, split out from...
14908         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
14909         (h8300_classify_operand): Use IN_RANGE.
14910         (h8300_classify_operand): Use h8300_constant_length.
14911         (h8300_short_move_mem_p): Tighten size check.
14912         (h8sx_mergeable_memrefs_p): Tighten equality check.
14913         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
14914         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
14915         for -msx.
14916         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
14917         * config/h8300/crtn.asm: Likewise.
14918         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
14919         if __H8300SX__ is defined.
14920         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
14921         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
14922         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
14923         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
14924         addresses as mode-dependent.
14925         * config/h8300/h8300.c (print_operand_address): Update call to
14926         h8300_get_index.
14927         (h8300_get_index): Take a mode argument.  Rework to fix an
14928         earlier misunderstanding.
14929         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
14930         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
14931         into a register if TARGET_H8300SX.
14932         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
14933         TARGET_H8300SX.  Also disable related define_splits.
14934         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
14935         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
14936         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
14937         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
14938         * config/h8300/h8300.h (OK_FOR_Z): New macro.
14939         (EXTRA_CONSTRAINT_STR): Check it.
14940         * config/h8300/h8300.c (h8300_classify_operand): Accept null
14941         class arguments.
14942         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
14943         * config/h8300/h8300.md (length_table): Add mov_imm4.
14944         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
14945         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
14946         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
14947         be a label.
14948         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
14949         * config/h8300/h8300.c (h8300_reorg): New function.
14950         (TARGET_MACHINE_DEPENDENT_REORG): Define.
14951         * config/h8300/h8300.md (length): Subtract the length of the
14952         delay slot from (pc) when checking the range of forward branches.
14953         (delay_slot, can_delay): New attributes.
14954         (define_delay): Add bra/s handling.
14955         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
14956         (jump): Add delayed-branch handling.
14957         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
14958         * expr.c (expand_strcpy): New function.
14959         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
14960         (expand_builtin_stpcpy): Likewise.
14961         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
14962         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
14963         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
14964         handling to improve register allocation for -fno-omit-frame-pointer.
14965         (h8sx_split_movmd): Delete, moving er6 handling into...
14966         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
14967         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
14968         (movmd): Add calls to copy_rtx.
14969         (movmd_internal): In the second alternative, allow the initial and
14970         final destination registers to be different .  Update the splitter
14971         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
14972         instead of h8sx_split_movmd.
14973         (stpcpy, movsd): New expanders.
14974         (movsd_internal): New define_insn.
14975         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
14976         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
14977         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
14978         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
14979         and DESTINATION_REGS.
14980         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
14981         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
14982         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
14983         (h8300_move_ratio): Declare.
14984         (MOVE_RATIO): Use it.
14985         * config/h8300/h8300.c (h8300_move_ratio): New variable.
14986         (h8300_init_once): Initialize it.
14987         (h8300_reg_class_from_letter): New function.
14988         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
14989         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
14990         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
14991         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
14992         (movstrsi, movmd): New expanders.
14993         (movmd_internal): New insn.
14994         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
14995         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
14996         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
14997         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
14998         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
14999         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
15000         * config/h8300/h8300.c (nibble_operand): Fix warning.
15001         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
15002         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
15003         (movsf_h8300h): Disable for TARGET_H8300SX.
15004         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
15005         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
15006         h8300_stm_parallel and h8300_return_parallel.
15007         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
15008         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
15009         h8300_stm_parallel, h8300_return_parallel): New functions.
15010         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
15011         if TARGET_H8300SX.  Use h8300_push_pop.
15012         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
15013         and final pop when generating h8sx code.  Always emit some form
15014         of return insn.
15015         * config/h8300/h8300.md: Don't enforce register alignment in
15016         stm peepholes if TARGET_H8300SX.
15017         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
15018         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
15019         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
15020         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
15021         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
15022         (MULTILIB_DIRNAMES): Add a directory for it.
15023         (MULTILIB_MATCHES): Delete.
15024         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
15025         * final.c (walk_alter_subreg): Handle addresses with subregs
15026         inside a ZERO_EXTEND or AND.
15027         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
15028         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
15029         if TARGET_H8300SX.
15030         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
15031         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
15032         @(dd,Rn.w) and @(dd,ERn.L).
15033         (h8300_displacement_size): Take the whole address as argument.
15034         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
15035         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
15036         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
15037         (h8sx_mergeable_memrefs_p): Declare.
15038         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
15039         (HAVE_PRE_INCREMENT): Likewise.
15040         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
15041         addresses for TARGET_H8300SX,
15042         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
15043         and POST_DEC.
15044         (movb_length_table, movl_length_table): New tables.
15045         (movw_length_table): Define to movb_length_table.
15046         (h8300_displacement_size): New, split out from...
15047         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
15048         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
15049         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
15050         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
15051         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
15052         (compute_plussi_length, compute_plussi_cc): Update accordingly.
15053         (h8sx_unary_shift_operator): Get the mode from the operator.
15054         (binary_shift_operator): Likewise.
15055         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
15056         a memory reference, check whether the reference is offsettable.
15057         (length_table): Add movb, movw and movl.
15058         (movqi): Add new h8sx pattern.  Don't force one operand to be a
15059         register when generating h8sx code.
15060         (movhi, movsi, movsf): Likewise.
15061         (movstrictqi): Use the length_table attribute.
15062         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
15063         (addqi3): Split into a define_expand and define_insn.  Don't accept
15064         memory operands in the expander.  Use h8300_operands_match_p to
15065         check for matching operands in the define_insn.
15066         (subqi3, negqi2, one_cmplqi2): Likewise.
15067         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
15068         in any patterns that are unused in h8sx code.  In the h8sx patterns,
15069         use h8300_operands_match_p to check whether operands match.
15070         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
15071         one_cmpl[hs]i3): Likewise.
15072         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
15073         in the expander.
15074         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
15075         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
15076         (h8300_insn_length_from_table): Add a second parameter.
15077         (output_h8sx_shift): Declare.
15078         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
15079         (EXTRA_CONSTRAINT): Replace with...
15080         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
15081         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
15082         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
15083         and h8sx_binary_shift_operator.
15084         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
15085         for TARGET_H8300SX.
15086         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
15087         (bit_memory_operand, fix_bit_operand): Likewise.
15088         (h8300_length_table_for_insn): Remove.
15089         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
15090         instructions.
15091         (h8300_short_immediate_length, h8300_binary_length): New functions.
15092         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
15093         (output_plussi): Use sub to add negative constants.
15094         (compute_plussi_length): Adjust accordingly.
15095         (h8sx_single_shift_type): New enum.
15096         (h8sx_single_shift, h8sx_unary_shift_operator,
15097         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
15098         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
15099         single h8sx instruction.  Return false in this case.
15100         * config/h8300/h8300.md (length_table): Add short_immediate.
15101         (length): Pass the operand array to h8300_insn_length_from_table.
15102         (adjust_length): Assume "no" for insns with a length_table attribute.
15103         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
15104         (*addhi3_h8300hs): Don't use for h8sx.
15105         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
15106         and sub.w #xx:3.
15107         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
15108         1's predicate to nonimmediate_operand.  Only skip default expansion
15109         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
15110         for single h8sx shift instructions.
15111         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
15112         * config/h8300/h8300.c (nibble_operand): Split out of...
15113         (reg_or_nibble_operand): ... this.
15114         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
15115         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
15116         umulhisi3): Introduce expand, and introduce separate insns for
15117         sign- or zero-extended REG and already-extended CONST_INT.
15118         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
15119         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
15120         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
15121         (subhi3): Likewise.  Don't accept immediates for operand 1.
15122         Remove the early clobber from second alternative of the h8300s pattern.
15123         (subsi3): Generalize for h8sx.  Force operand 2 into a register
15124         on plain h8300 targets.
15125         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
15126         (subsi3_h8300h): Generalize for h8sx.
15127         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
15128         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
15129         * config/h8300/h8300.c (reg_or_nibble_operand): New.
15130         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
15131         (TARGET_H8300SXMUL): New.
15132         (CONST_OK_FOR_P): New.
15133         (CONST_OK_FOR_LETTER_P): Adjust.
15134         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
15135         umulhisi3): Accept 4-bit immediate on H8SX.
15136         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
15137         (udivsi3, divhi3, udivsi3, divsi3): New.
15138         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
15139         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
15140         * config/h8300/h8300.h (OK_FOR_Q): New macro.
15141         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
15142         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
15143         Add ADDRESSOF to the bit_operand entry.
15144         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
15145         (h8300_src_operand): Likewise.
15146         (bit_operand): Check nonimmediate_operand rather than general_operand.
15147         Accept any nonimmediate_operand in h8sx code.
15148         (h8300_and_costs): Initialize operands[1].
15149         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
15150         (h8300_operand_class): New enum.
15151         (h8300_length_table): New typedef.
15152         (addb_length_table, addw_length_table, addl_length_table,
15153         logicl_length_table): New tables.
15154         (logicb_length_table, logicw_length_table): New macros.
15155         (h8300_classify_operand, h8300_length_from_table,
15156         h8300_length_table_for_insn, h8300_unary_length,
15157         h8300_insn_length_from_table): New functions.
15158         (output_plussi): Only use adds and subs for register destinations.
15159         Disable redundant clause.
15160         (compute_plussi_cc): Likewise.
15161         (compute_plussi_length): Likewise.  Use h8300_length_from_table
15162         to work out the length of an insn.
15163         (output_logical_op): Only use narrower immediate instructions
15164         if the destination is a register.
15165         (compute_logical_op_cc): Likewise.
15166         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
15167         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
15168         * config/h8300/h8300.md (length_table): New attribute.
15169         (length): When an instruction has a length_table attribute, use
15170         h8300_insn_length_from_table to calculate its default length.
15171         (cmpqi): Use h8300_dst_operand for the first operand and
15172         h8300_src_operand for the second.
15173         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
15174         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
15175         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
15176         iorsi3, xorhi3, xorsi3): Likewise.
15177         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
15178         so that it allows any combination of operands for TARGET_H8300SX.
15179         (iorqi3, xorqi3): Likewise.
15180         (cmpqi): Use the length_table attribute.
15181         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
15182         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
15183         (cmpqi): Add 'Q' constraint.
15184         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
15185         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
15186         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
15187         * config/h8300/h8300.h (MASK_H8300SX): New macro.
15188         (TARGET_H8300S): True for both -ms and -msx.
15189         (TARGET_H8300SX): New macro.
15190         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
15191         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
15192         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
15193         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
15194         [Temporary change.]
15195         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
15196         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
15197         16-bit pointers and 32-bit ints.
15198         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
15199         CONST_DOUBLE with mode no wider than SImode.
15200         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
15201         output operand.
15202         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
15203         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
15204         or SUBREG thereof.
15205         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
15206         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
15207         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
15208
15209 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
15210
15211         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
15212
15213 2004-07-07  Per Bothner  <per@bothner.com>
15214
15215         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
15216
15217 2004-07-07  Mike Stump  <mrs@apple.com>
15218
15219         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
15220         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
15221         (machopic_finish): Likewise.
15222
15223 2004-07-07  Richard Henderson  <rth@redhat.com>
15224
15225         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
15226         through any value-preserving cast.
15227
15228 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
15229
15230         * function.c (assign_parm_find_data_types): Call
15231         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
15232
15233 2004-07-07  Steven Bosscher  <stevenb@suse.de>
15234
15235         * tree-cfg.c (group_case_labels): Remove case labels that have
15236         the same target as the default case.
15237
15238 2004-07-07  Steven Bosscher  <stevenb@suse.de>
15239
15240         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
15241         regardless of DECL_LANG_SPECIFIC being present or not.
15242         * tree.h (DECL_NUM_STMTS): Purge.
15243
15244 2004-07-07  Andrew Pinski  <apinski@apple.com>
15245
15246         * configure: Regenerate with the right autoconf.
15247
15248 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
15249
15250         * ifcvt.c (total_bb_rtx_cost): New function.
15251         (find_if_case_1): Compare rtx_cost of basic block to cost of
15252         BRANCH_COST insns.
15253         (find_if_case_2): Same.
15254
15255 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15256
15257         PR target/10567
15258         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
15259         (output_return): Likewise.
15260         (output_sibcall): Abort if !flag_delayed_branch.
15261         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
15262         (emit_and_preserve): New function.
15263         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
15264         indirect jump to the thunked-to function if !flag_delayed_branch.
15265         * config/sparc/sparc.md (delayed_branch): New attribute.
15266         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
15267         attribute to compute the length of the insn.
15268         (goto_handler_and_restore): Likewise.
15269
15270 2004-07-07  Andrew Pinski  <apinski@apple.com>
15271
15272         PR tree-optimization/15777
15273         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
15274
15275         * expr.c (expand_expr_real_1): Fix formating.
15276         BUFFER_REF and IN_EXPR are dead.
15277         * fold-const.c (non_lvalue): BUFFER_REF is dead.
15278         * tree-inline.c (estimate_num_insns_1): Likewise.
15279         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
15280         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
15281         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
15282
15283 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
15284
15285         * collect2.c (dump_file): Don't call cplus_demangle if
15286         HAVE_LD_DEMANGLE is defined.
15287         (main): Pass "--demangle" to ld if no_demangle is not 0 and
15288         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
15289         if HAVE_LD_DEMANGLE is defined.
15290
15291         * configure.ac (--with-demangler-in-ld): Added
15292         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
15293         --with-demangler-in-ld is used.
15294         * config.in: Regenerated.
15295         * configure: Likewise.
15296
15297 2004-07-07  Roger Sayle  <roger@eyesopen.com>
15298
15299         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
15300         for simple floating point operations "fp", double precision
15301         multiplication "dmul", and single and double precision division
15302         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
15303         (ppc630_cost): New table split from ppc620_cost, to distinguish
15304         differences in floating point latencies.
15305         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
15306         (rs6000_rtx_costs): Add support for single and double precision
15307         floating point addition, subtraction, multiplication, division,
15308         fused-multiply-add, fused-multiply-sub, negation, absolute value
15309         and negative absolute value.  Tweak MEM case to use prefered idiom.
15310
15311 2004-07-07  Richard Henderson  <rth@redhat.com>
15312
15313         * tree-flow-inline.h (may_propagate_copy): Move...
15314         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
15315         attempt to copy between types requiring conversion.
15316         * tree-flow.h (may_propagate_copy): Update decl.
15317         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
15318
15319 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
15320
15321         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
15322         from -mtune= option.
15323
15324 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
15325
15326         * builtins.c: Rename movstr*, except for movstrict*, to
15327         movmem* and clrstr* to clrmem*.
15328         * expr.c: Likewise.
15329         * expr.h: Likewise.
15330         * genopinit.c: Likewise.
15331         * integrate.c: Likewise.
15332         * local-alloc.c: Likewise.
15333         * optabs.c: Likewise.
15334         * optabs.h: Likewise.
15335         * config/alpha/alpha.h: Likewise.
15336         * config/alpha/alpha.md: Likewise.
15337         * config/arm/arm-protos.h: Likewise.
15338         * config/arm/arm.c: Likewise.
15339         * config/arm/arm.md: Likewise.
15340         * config/avr/avr.md: Likewise.
15341         * config/c4x/c4x.c: Likewise.
15342         * config/c4x/c4x.md: Likewise.
15343         * config/frv/frv.md: Likewise.
15344         * config/i386/i386-protos.h: Likewise.
15345         * config/i386/i386.c: Likewise.
15346         * config/i386/i386.h: Likewise.
15347         * config/i386/i386.md: Likewise.
15348         * config/i860/i860.c: Likewise.
15349         * config/i860/i860.md: Likewise.
15350         * config/ip2k/ip2k.md: Likewise.
15351         * config/ip2k/libgcc.S: Likewise.
15352         * config/ip2k/t-ip2k: Likewise.
15353         * config/m32r/m32r.c: Likewise.
15354         * config/m32r/m32r.md: Likewise.
15355         * config/mcore/mcore.md: Likewise.
15356         * config/mips/mips.c: Likewise.
15357         * config/mips/mips.md: Likewise.
15358         * config/ns32k/ns32k.c: Likewise.
15359         * config/ns32k/ns32k.h: Likewise.
15360         * config/ns32k/ns32k.md: Likewise.
15361         * config/pa/pa.c: Likewise.
15362         * config/pa/pa.md: Likewise.
15363         * config/pdp11/pdp11.h: Likewise.
15364         * config/pdp11/pdp11.md: Likewise.
15365         * config/rs6000/rs6000.c: Likewise.
15366         * config/rs6000/rs6000.md: Likewise.
15367         * config/s390/s390-protos.h: Likewise.
15368         * config/s390/s390.c: Likewise.
15369         * config/s390/s390.md: Likewise.
15370         * config/sh/lib1funcs.asm: Likewise.
15371         * config/sh/sh.c: Likewise.
15372         * config/sh/sh.md: Likewise.
15373         * config/sh/t-sh: Likewise.
15374         * config/sparc/sparc.h: Likewise.
15375         * config/vax/vax.md: Likewise.
15376         * config/xtensa/xtensa.c: Likewise.
15377         * config/xtensa/xtensa.md: Likewise.
15378         * doc/invoke.texi: Likewise.
15379         * doc/md.texi: Likewise.
15380         * doc/rtl.texi: Likewise.
15381
15382 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
15383
15384         PR target/16407
15385         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
15386         * config/mips/mips.c (mips_declare_common_object): New function,
15387         mostly split out from...
15388         (mips_output_aligned_decl_common): ...here.
15389         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
15390         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
15391         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
15392         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
15393
15394 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15395
15396         PR c/16392
15397         * function.c (assign_parms): Fix typo from previous change.
15398
15399 2004-07-07  Jason Merrill  <jason@redhat.com>
15400
15401         PR c++/15815
15402         * doc/extend.texi (C++ Interface): Correct information and
15403         discourage use.
15404
15405 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
15406
15407         PR target/16130
15408         PR target/16142
15409         PR target/16143
15410         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
15411         insn.
15412
15413 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
15414
15415         PR target/1679.
15416         * config/m32r/m32r.c (m32r_function_symbol): New function:
15417         Generate a symbol name RTX with the correct m32r specific flags
15418         set.
15419         (block_move_call): Use new function to generate correct symbol.
15420         * config/m32r/m32r-protos.h: Add prototype for new funcion.
15421         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
15422         function.
15423
15424 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
15425
15426         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
15427         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
15428         TYPE_BINFO_BASETYPE): Remove.
15429         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
15430         to ...
15431         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
15432         here.
15433         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
15434         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
15435         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
15436         (struct tree_binfo): Rename base_types to base_binfos.
15437         * alias.c (record_component_aliases): Adjust BINFO macros.
15438         * dbxout.c (dbxout_type): Likewise.
15439         * dwarf2out.c (gen_member_die): Likewise.
15440         * sdbout.c (sdbout_one_type): Likewise.
15441         * tree-dump.c (deque_and_dump): Likewise.
15442         * config/i386/i386.c (classify_argument,
15443         contains_128bit_aligned_vector_p): Likewise.
15444
15445 2004-07-07  Nick Clifton  <nickc@redhat.com>
15446
15447         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
15448         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
15449
15450 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
15451
15452         * vec.h: Fix the example use.
15453
15454 2004-07-06  Richard Henderson  <rth@redhat.com>
15455
15456         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
15457         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
15458         * tree-inline.c (copy_body_r, setup_one_parameter,
15459         initialize_inlined_parameters, expand_call_inline,
15460         declare_inline_vars): Don't check it.
15461         (expand_calls_inline): Remove old version, rename new version
15462         from gimple_expand_calls_inline.
15463         * tree-optimize.c (execute_gimple): Remove.
15464         (pass_gimple): Don't run anything.
15465
15466 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
15467
15468         * doc/sourcebuild.texi: Use semicolons instead of commas in
15469         section title.
15470
15471 2004-07-06  Richard Henderson  <rth@redhat.com>
15472
15473         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
15474         (sra_walk_modify_expr, scan_init): Likewise.
15475         (generate_element_zero): Check visited before scanning children.
15476         (generate_element_init): Set visited on error.
15477         (scalarize_init): Handle generate_element_init failure similar
15478         to use_block_copy.
15479
15480 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
15481
15482         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
15483         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
15484
15485 2004-07-06  Richard Henderson  <rth@redhat.com>
15486
15487         * config/i386/i386.c (legitimize_pic_address): Make static.
15488         (legitimize_address): Handle CONST with TLS operand.
15489         (ix86_expand_move): Don't call legitimize_pic_address directly.
15490         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
15491
15492 2004-07-06  Roger Sayle  <roger@eyesopen.com>
15493
15494         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
15495         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
15496         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
15497         is currently executed unconditionally, i.e. not in "else_bb".
15498
15499 2004-07-06  Steven Bosscher  <stevenb@suse.de>
15500
15501         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
15502         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
15503         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
15504         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
15505         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
15506         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
15507         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
15508         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
15509         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
15510         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
15511         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
15512         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
15513         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
15514         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
15515         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
15516         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
15517
15518 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
15519
15520         * dojump.c (do_jump): REFERENCE_EXPR is dead.
15521         * expr.c (expand_expr_real_1): Ditto.
15522         * tree-inline.c (estimate_num_insns_1): Ditto.
15523         * tree-pretty-print.c (dump_generic_node): Ditto.
15524         (op_symbol): Ditto.
15525         * tree.def: Ditto.
15526
15527 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
15528
15529         * tree-ssa-pre.c (reference_node_pool): New pool.
15530         (find_or_generate_expression): Class 'r' is okay too.
15531         (create_value_expr_from): Ditto.
15532         (add_to_sets): LHS should not include vuses.
15533         (eliminate): Ditto.
15534         (compute_avail): Reverse ordering of tests.
15535         Valuize INDIRECT_REF as well.
15536
15537 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
15538
15539         PR rtl-optimization/16380
15540         * loop.c (check_dbra_loop): Sink comparison instructions if they
15541         do something other than set cc0.
15542
15543 2004-07-06  James E Wilson  <wilson@specifixinc.com>
15544
15545         * doc/interface.texi (longjmp and automatic variables): Delete
15546         paragraph recommending taking the address of a variable.
15547
15548 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
15549
15550         * vec.h (VEC_embedded_alloc): Remove.
15551         (VEC_embedded_size, VEC_embedded_init): New.
15552         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
15553         MEM_STAT_INFO.
15554         (VEC_truncate): New.
15555         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
15556         (vec_embedded_alloc): Remove.
15557         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
15558         (vec_embedded_alloc): Remove.
15559
15560 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
15561
15562         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
15563         (gt-langhooks.h): Remove.
15564
15565 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
15566
15567         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
15568
15569 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
15570
15571         * config/sparc/sparc.c (get_pc_symbol): Rename into
15572         add_pc_to_pic_symbol.
15573         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
15574         (load_pic_register): Account for previous changes.
15575         Use reg_names.  Don't create the label twice.
15576         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
15577         UNSPEC_LOAD_PCREL_SYM.
15578         (get_pc): Rename into load_pcrel_sym.  Add predicate to
15579         operands.  Remove condition.
15580
15581 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
15582
15583         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
15584         RECORD, UNION & QUAL_UNION is actually a binfo.
15585
15586         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
15587         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
15588         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
15589         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
15590         * dwarf2out.c (add_data_member_location_attribute): Likewise.
15591         (gen_inheritance_die): Likewise.
15592         * tree-dump.c (deque_and_dump): Likewise.
15593         * doc/c-tree.texi (Binfos): Add under reconstruction note.
15594
15595 2004-07-06  Steven Bosscher  <stevenb@suse.de>
15596
15597         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
15598         Define.
15599         * config/mcore/mcore.md: Model memory latency with a simple DFA
15600         pipeline description instead of a define_function_unit.
15601
15602 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15603
15604         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
15605         * langhooks.h (var_mod_type_p): Likewise.
15606         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
15607         * expr.c (count_type_elements): Properly handle return from
15608         array_type_nelts and properly test for overflow.
15609         * gimplify.c (gimplify_init_constructor): Properly handle return
15610         from array_type_nelts.
15611         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
15612         * integrate.c (copy_decl_for_inlining): Correct comments.
15613         * tree-inline.c (remap_decl): Update comments, remove dead code,
15614         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
15615         (remap_type): Only remap if variably modified by vars in function
15616         being inlined.
15617         (copy_body_r): Use compatible_type langhooks to see when can fold.
15618         (setup_one_parameter): Don't remap type.
15619         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
15620         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
15621         compute TREE_INVARIANT for decl case.
15622         (find_var_from_fn): New function.
15623         (variably_modified_type_p): Add arg and call new function.
15624         * tree.h (variably_modified_type_p): Add extra arg.
15625
15626 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
15627
15628         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
15629         (goto_handler_and_restore_v9): Delete disabled insn.
15630         (goto_handler_and_restore_v9_sp64): Likewise.
15631
15632 2004-07-05  Roger Sayle  <roger@eyesopen.com>
15633
15634         * calls.c (load_register_parameters): Call expand_shift instead
15635         of expand_binop with ashl_optab (or other shift optab) directly.
15636         * expr.c (emit_group_load, emit_group_store): Likewise.
15637         * function.c (assign_parm_setup_block): Likewise.
15638         * stmt.c (shift_return_value): Likewise.
15639
15640 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
15641
15642         * expr.c (expand_assignment): Disable the bitfield += optimizations.
15643
15644 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
15645
15646         * doc/sourcebuild.texi: Revert previous patch.
15647
15648 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
15649
15650         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
15651         TARGET_MEM_FUNCTIONS.
15652         * system.h: Poison TARGET_MEM_FUNCTIONS.
15653         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
15654         bcmp_libfunc, bzero_libfunc): Remove.
15655         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
15656         bzero_libfunc.
15657         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
15658         * doc/standards.texi: Don't mention calling BSD string functions.
15659         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
15660         * config/vax/t-memfuncs: New.
15661         * config/memcmp.c, config/memcpy.c, config/memmove.c,
15662         config/memset.c: New.
15663         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
15664         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
15665         vax/t-memfuncs.
15666         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
15667         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
15668         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
15669         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
15670         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
15671         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
15672         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
15673         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
15674         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
15675         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
15676
15677 2004-07-05  Richard Henderson  <rth@redhat.com>
15678
15679         * function.c (assign_parm_setup_reg): Properly rename variables in
15680         FUNCTION_ARG_CALLEE_COPIES section.
15681
15682 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
15683
15684         * tree-mudflap.c: Include cgraph.h.
15685         (mf_init_extern_trees): Rename to mudflap_init.  Export.
15686         Rewrite to create synthetic declarations instead of looking
15687         up declarations from mf-runtime.h.
15688         (mf_make_builtin, mf_make_cache_struct_type): New functions.
15689         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
15690         Correct commentary.
15691         (execute_mudflap_function_decls, mudflap_register_call):
15692         Don't call mf_init_extern_trees.
15693         (mudflap_finish_file): Use cgraph_build_static_cdtor.
15694
15695         * tree-mudflap.h: Update prototypes.
15696         * c-mudflap.c: Delete file.
15697         * c-common.c: Include tree-mudflap.h.
15698         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
15699         * Makefile.in: Remove all references to c-mudflap.o.
15700         Update dependencies.
15701
15702 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15703
15704         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
15705         displacements with the spatial-locality cache-control completer.
15706
15707 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
15708
15709         * langhooks.c: Don't include gt-langhooks.h.
15710         (var_labelno): Delete.
15711         (lhd_set_decl_assembler_name): Do not append a distinguishing
15712         number to file-scope internal-linkage declarations for the first
15713         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
15714         the declaration itself (if at block scope), or its containing
15715         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
15716         number.
15717
15718         * opts.c (cur_in_fname): New global.
15719         * opts.h: Declare it.
15720         * tree.c: Include opts.h.
15721         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
15722         DECL_UID equal to cur_in_fname.
15723         (copy_node_stat): Do not change DECL_UID when copying a
15724         TRANSLATION_UNIT_DECL.
15725         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
15726         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
15727
15728         * c-decl.c (c_static_assembler_name): Delete.
15729         * c-tree.h (c_static_assembler_name): Delete prototype.
15730         * c-lang.c, objc/objc-lang.c: Don't override
15731         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
15732
15733         * Makefile.in (tree.o): Update dependencies.
15734         (GTFILES): Remove langhooks.c.
15735
15736 2004-07-05  Roger Sayle  <roger@eyesopen.com>
15737
15738         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
15739         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
15740         Normalize "X % C" as "X % -C" for signed modulus and negative C.
15741         Optimize "X % -Y" as "X % Y" for signed modulus.
15742         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
15743         into "((unsigned) X % Y) == 0".
15744
15745 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
15746
15747         * sourcebuild.texi (Config Fragments): Use @comma{} in
15748         cross-reference to section title.
15749
15750 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15751
15752         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
15753         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
15754         (gimplify_target_expr, gimplify_expr): Likewise.
15755         (copy_if_shared_r): No longer need special case for BIND_EXPR.
15756         (unshare_body, unvisit_body): Only look at nested if BODY_P is
15757         whole function.
15758         (gimplify_compound_lval): See if we can strip any useless conversion.
15759         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
15760         from RHS, not LHS.
15761         (gimplify_modify_expr_to_memset): Likewise.
15762         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
15763         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
15764         (declare_inline_vars): Likewise.
15765         (walk_type_fields): New function.
15766         (walk_tree): Use it.
15767         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
15768
15769         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
15770         (sra_walk_modify_expr): Allow init function to fail.
15771         (scan_init): Now returns bool.
15772         (generate_element_init): If can't understand INIT, return false.
15773         (scalarize_init): Return false if generate_element_init does.
15774
15775         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
15776         print bounds.
15777
15778         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
15779         bounds if bounds aren't constant.
15780
15781         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
15782
15783         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
15784         to type hooks; remove bogus PARAMS.
15785
15786 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
15787
15788         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
15789         * dwarf2out.c (add_data_member_location_attribute): Check for
15790         TREE_BINFO.
15791         * tree.c (tree_node_kinds): Add "binfos".
15792         (binfo_lang_slots): New.
15793         (make_node_stat): Add TREE_BINFO.
15794         (make_tree_binfo_stat): New.
15795         (tree_node_structure): Add TREE_BINFO.
15796         * tree.def (TREE_BINFO): New.
15797         * tree.h (REC_OR_UNION_CHECK): Rename to ...
15798         (RECORD_OR_UNION_CHECK): ... here.
15799         (NOT_RECORD_OR_UNION_CHECK): New.
15800         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
15801         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
15802         RECORD_OR_UNION_CHECK.
15803         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
15804         (TYPE_LANG_SLOT_1): New.
15805         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
15806         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
15807         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
15808         (BINFO_ELTS): Remove.
15809         (BINFO_LANG_SLOT): New.
15810         (struct tree_binfo): New.
15811         (binfo_lang_slots): Declare.
15812         (enum tree_node_structure_enum): Add TS_BINFO.
15813         (union tree_node): Add binfo.
15814         (make_tree_binfo_stat): Declare.
15815         (make_tree_binfo): New.
15816         (enum tree_node_kind): Add binfo_kind.
15817
15818         * objc/objc-act.c (start_class, objc_declare_protocols,
15819         start_protocols): Use TYPE_LANG_SLOT_1.
15820         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
15821         to ...
15822         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
15823         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
15824         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
15825         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
15826
15827 2004-07-05  Steven Bosscher  <stevenb@suse.de>
15828
15829         * rtl.h (struct rtx_def): Remove the integrated flag.
15830         Use the return_val flag for MEM_SCALAR_P.
15831         Reshuffle and update flags in CLEAR_RTX_FLAGS.
15832
15833 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
15834
15835         PR target/16357
15836         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
15837         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
15838         move_by_pieces.
15839
15840 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
15841
15842         * var-tracking.c: Fix some comments.
15843         (frame_stack_adjust): New.
15844         (vt_stack_adjustments): Init stack_adjust of entry block to
15845         minus stack adjustment of function prologue.
15846         (adjust_stack_reference): Do not adjust if adjustment == 0.
15847         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
15848         (emit_notes_in_bb): Likewise.
15849         (vt_add_function_parameters): Do not adjust locations of
15850         function arguments.
15851         (vt_initialize): Compute the stack adjustment of function
15852         prologue and offset the initial "location" of frame_base_decl
15853         from the stack pointer after prologue.
15854
15855 2004-07-04  Richard Henderson  <rth@redhat.com>
15856
15857         * function.c (struct assign_parm_data_all): New.
15858         (struct assign_parm_data_one): New.
15859         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
15860         assign_parm_find_data_types, assign_parms_setup_varargs,
15861         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
15862         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
15863         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
15864         assign_parm_setup_block, assign_parm_setup_reg,
15865         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
15866         (assign_parms): ... here.
15867
15868 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
15869
15870         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
15871         now are bitmap_set_t's.
15872         (bitmap_insert_into_set): No point in inserting the value if
15873         it's invariant.
15874         (bitmap_set_contains): New function.
15875         (bitmap_set_replace_value): Add comment on why we do it
15876         this way.
15877         (set_contains): Removed.
15878         (bitmap_set_subtract_from_value_set): New name of
15879         set_subtract now that it's arguments are two different
15880         types of sets.
15881         Update callers.
15882         (bitmap_find_leader): Change algorithm used.
15883         (find_or_generate_expression): Update use of functions for new
15884         bitmap sets.
15885         (create_expression_by_pieces): Ditto.
15886         (insert_aux): Ditto.
15887         (insert): Ditto.
15888         (add_to_sets): Ditto.
15889         (init_pre): Ditto.
15890         (execute_pre): Ditto.
15891         (compute_avail): Ditto.
15892         Also ignore virtual phis.
15893
15894 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
15895
15896         * combine.c (simplify_comparison): Fix comment typo.
15897
15898 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15899
15900         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
15901         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
15902         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
15903         (output_restore): Change parameter from 'insn' to 'pat'.
15904         (output_return): Adjust call to output_restore.
15905         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
15906         Adjust call to output_restore.
15907
15908 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
15909
15910         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
15911         and assert system is bsd.
15912
15913 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
15914
15915         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
15916         (TARGET_SWITCHES): Remove -mdebugc.
15917         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
15918         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
15919         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
15920         (sle_[sd]i_reg): Delete.
15921
15922 2004-07-04  Steven Bosscher  <stevenb@suse.de>
15923
15924         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
15925         Define.
15926         * config/iq2000/iq2000.md: Translate old pipeline description to an
15927         equivalent new one.
15928
15929 2004-07-04  Roger Sayle  <roger@eyesopen.com>
15930
15931         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
15932         Ensure the replacement rhs is valid gimple before performing
15933         the substitution.  Return false if these sanity checks fail.
15934         (fold_stmt): Only set changed to true, if set_rhs returns true.
15935         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
15936         succeeds.
15937
15938 2004-07-04  Richard Henderson  <rth@redhat.com>
15939
15940         PR c/16348
15941         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
15942
15943 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
15944
15945         * configure.ac (ranlib_flags): New variable.
15946         * Makefile.in (RANLIB_FLAGS): New variable.
15947         (libbackend.a): Use it.
15948         * configure: Regenerated.
15949
15950 2004-07-04  Roger Sayle  <roger@eyesopen.com>
15951
15952         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
15953         a "sign mask" instead of using ashr_optab directly.
15954
15955 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
15956
15957         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
15958         * doc/cppopts.texi: Clarify processing of command-line defines.
15959
15960 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
15961
15962         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
15963
15964 2004-07-04  Richard Henderson  <rth@redhat.com>
15965
15966         * rtl.def (ADDRESSOF): Remove.
15967         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
15968         (find_base_term, memrefs_conflict_p): Likewise.
15969         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
15970         (fold_rtx, cse_insn, set_live_p): Likewise.
15971         * dwarf2out.c (mem_loc_descriptor): Likewise.
15972         (add_location_or_const_value_attribute): Likewise.
15973         * emit-rtl.c (copy_insn_1): Likewise.
15974         * explow.c (memory_address): Likewise.
15975         * expmed.c (store_split_bit_field): Likewise.
15976         * expr.c (expand_expr_real_1): Likewise.
15977         * function.c (instantiate_decl
15978         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
15979         * genrecog.c (preds, validate_pattern): Likewise.
15980         * integrate.c (copy_rtx_and_substitute): Likewise.
15981         * recog.c (general_operand, register_operand): Likewise.
15982         (memory_address_p): Likwise.
15983         * reload1.c (eliminate_regs, elimination_effects): Likewise.
15984         * rtl.c (copy_rtx): Likewise.
15985         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
15986         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
15987         * rtlhooks.c (gen_lowpart_general): Likewise.
15988         * stmt.c (expand_asm_operands): Likewise.
15989         * web.c (entry_register, replace_ref, web_main): Likewise.
15990         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
15991         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
15992         * config/arm/arm.c (thumb_rtx_costs): Likewise.
15993         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
15994         * config/frv/frv.c (move_destination_operand, move_source_operand,
15995         condexec_dest_operand, condexec_source_operand,
15996         condexec_memory_operand): Likewise.
15997         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
15998         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
15999         (destination_xfmode_operand): Likewise.
16000         * config/mips/mips.h (PREDICATE_CODES): Likewise.
16001         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
16002         * config/s390/s390.c (general_s_operand): Likewise.
16003         * config/s390/s390.md (mov*): Likewise.
16004         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
16005
16006         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
16007         * expr.c (expand_expr_real_1): Likewise.
16008         * stmt.c (expand_decl): Likewise.
16009         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
16010
16011         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
16012         postponed_insns, put_var_into_stack, put_reg_into_stack,
16013         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
16014         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
16015         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
16016         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
16017         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
16018         purge_bitfield_addressof_replacements, purge_addressof_replacements,
16019         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
16020         struct insns_for_mem_walk_info, insns_for_mem_walk,
16021         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
16022         setjmp_protect_args): Remove.
16023         (push_function_context_to): Don't handle var_refs_queue.
16024         (pop_function_context_from, free_after_compilation): Likewise.
16025         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
16026         (assign_parms, allocate_struct_function): Likewise.
16027         (use_register_for_decl): New.
16028         (expand_function_end): Don't setjmp_protect.
16029         * function.h (struct emit_status): Update commentary.
16030         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
16031         (max_parm_reg, parm_reg_stack_loc): Remove.
16032         * passes.c (DFI_addressof): Remove.
16033         (dump_file_info): Remove addressof.
16034         (rest_of_handle_addressof): Remove.
16035         (rest_of_compilation): Don't call it.
16036         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
16037         * stmt.c (expand_decl): Use use_register_for_decl.
16038         * tree.h: Update decls.
16039         * web.c (mark_addressof): Remove.
16040         * doc/invoke.texi (-dF): Remove.
16041
16042 2004-07-03  Richard Henderson  <rth@redhat.com>
16043
16044         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
16045         instead of gen_mem_addressof.
16046         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
16047         TImode output register.
16048
16049 2004-07-03  Richard Henderson  <rth@redhat.com>
16050
16051         PR tree-optimization/16341
16052         * tree-sra.c (sra_walk_function): Increment to next stmt before
16053         processing the current stmt.
16054         (sra_insert_after): Always use BSI_SAME_STMT.
16055
16056 2004-07-03  Richard Henderson  <rth@redhat.com>
16057
16058         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
16059         fp plus with minus.
16060
16061 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
16062
16063         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
16064         with tree_int_cst_equal.
16065
16066 2004-07-03  Andreas Schwab  <schwab@suse.de>
16067
16068         * config/ia64/ia64.md: Define new attribute "empty".
16069         (prologue_use, nop_x, insn_group_barrier): Set it.
16070
16071         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
16072         skip over "empty" insns.
16073
16074 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16075
16076         * tree-inline.c (initialize_inlined_parameters): Pass proper function
16077         context to gimplify_body.
16078         (walk_tree): Don't walk into types twice.
16079         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
16080
16081         * tree-sra.c (generate_element_init): Remove any useless conversions.
16082
16083         * gimplify.c (gimplify_conversion): Remove stripping useless
16084         conversions from here.
16085         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
16086         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
16087         Unshare before substituting PLACEHOLDER_EXPR.
16088         (gimplify_modify_expr_to_memset): Likewise.
16089         Pass address of TO to memset, not TO itself.
16090         (gimplify_init_constructor): Make copy of OBJECT so we have it each
16091         time we make an expression (to match a PLACEHOLDER_EXPR).
16092
16093         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
16094         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
16095         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
16096         * tree-ssa-dom.c (local_fold): Likewise.
16097
16098         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
16099         * langhooks.h (strct lang_hooks): New field type_max_size.
16100         * function.c (assign_temp): Call it.
16101
16102 2004-07-03  Steven Bosscher  <stevenb@suse.de>
16103
16104         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
16105         * config/sh/sh.md: Convert the SH1 pipeline description to
16106         a DFA model.
16107
16108 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
16109
16110         * c-decl.c (struct c_binding): Remove contour field; add
16111         depth, invisible, nested fields.
16112         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
16113         (B_IN_EXTERNAL_SCOPE): New convenience macros.
16114         (bind): Add invisible and nested arguments. Initialize
16115         new fields of struct c_binding; adjust loop scanning for
16116         insertion point.
16117         (free_binding_and_advance): Clear structure with memset.
16118         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
16119         in file scope, even if it's in external scope too.
16120         (pushdecl): Adjust to match.  Create invisible file-scope
16121         declarations for block-scope forward declarations of static functions.
16122         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
16123         (undeclared_variable, lookup_label, declare_label, define_label)
16124         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
16125         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
16126         (store_parm_decls_oldstyle): Adjust to match.
16127         (diagnose_mismatched_decls): Correct handling of linkage clashes.
16128         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
16129
16130         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
16131         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
16132
16133 2004-07-02  Richard Henderson  <rth@redhat.com>
16134
16135         * c-decl.c (grokdeclarator): Don't frob current_function_decl
16136         around variable_size.
16137         (set_decl_nonlocal): Remove.
16138         (store_parm_decls): Add stmts for pending sizes.
16139         * calls.c (calls_function, calls_function_1): Remove.
16140         (precompute_arguments): Don't call it.
16141         * cfgexpand.c (set_save_expr_context): Remove.
16142         (tree_expand_cfg): Don't call it.
16143         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
16144         (dwarf2out_finish): Likewise.
16145         * expr.c (emit_block_move): Adjust addresses to BLKmode.
16146         (store_constructor): Don't pre-evaluate SAVE_EXPR.
16147         (safe_from_p): Don't queue SAVE_EXPRs.
16148         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
16149         or build plain VAR_DECLs.
16150         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
16151         (fold): Likewise.
16152         (fold_checksum_tree): Don't special-case SAVE_EXPR.
16153         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
16154         (put_var_into_stack): Don't handle SAVE_EXPR.
16155         (gen_mem_addressof): Likewise.
16156         * function.h (struct function): Remove x_save_expr_regs.
16157         (save_expr_regs): Remove.
16158         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
16159         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
16160         * stor-layout.c (variable_size): Don't set it.
16161         (force_type_save_exprs, force_type_save_exprs_1): Remove.
16162         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
16163         all callers.  Don't set SAVE_EXPR_CONTEXT.
16164         * tree-inline.h (remap_save_expr): Update decl.
16165         * tree.c (save_expr): Update build size.
16166         (first_rtl_op): Don't handle SAVE_EXPR.
16167         (unsave_expr_1, contains_placeholder_p): Likewise.
16168         (decl_function_context): Likewise.
16169         * tree.def (SAVE_EXPR): Remove args 1 and 2.
16170         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
16171         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
16172
16173 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
16174
16175         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
16176         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
16177         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
16178         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
16179         some first-person references and patronizing comments.  Based on
16180         printed manual.
16181         * doc/invoke.texi: Don't reference fortran@gnu.org.
16182         * doc/trouble.texi (Warning when a non-void function value is
16183         ignored): Rewrite.  From Russ Allbery and Chris Devers.
16184
16185 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
16186
16187         * tree-ssa-pre.c (bitmap_set_t): New.
16188         (bb_value_sets): avail_out is now a bitmap_set_t.
16189         (bitmap_find_leader): New function.
16190         (bitmap_value_insert_into_set): Ditto.
16191         (bitmap_set_copy): Ditto.
16192         (bitmap_value_replace_in_set): Ditto.
16193         (bitmap_set_contains_value): Ditto.
16194         (bitmap_set_new): Ditto.
16195         (bitmap_set_pool): New pool.
16196         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
16197         (insert_aux): Ditto.
16198         (add_to_sets): Ditto.
16199         (compute_avail): Ditto
16200         (eliminate): Ditto.
16201         (init_pre): Ditto.
16202         (fini_pre): Ditto.
16203         (execute_pre): Ditto.
16204
16205 2004-07-02  Roger Sayle  <roger@eyesopen.com>
16206
16207         * config/rs6000/rs6000.c (struct processor_costs): New structure
16208         used to hold instruction latencies/sizes for processor types.
16209         (rs6000_cost): New global variable pointing to current CPU's costs.
16210         (rs6000_override_options): Initialize rs6000_cost to point to the
16211         appropriate cost table based upon rs6000_cpu and optimize_size.
16212         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
16213         timings inline.
16214
16215 2004-07-02  Richard Henderson  <rth@redhat.com>
16216
16217         * expmed.c (make_tree): Don't use SET_DECL_RTL.
16218
16219 2004-07-02  Steven Bosscher  <stevenb@suse.de>
16220
16221         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
16222
16223 2004-07-01  Richard Henderson  <rth@redhat.com>
16224
16225         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
16226         (alpha_gp_save_rtx): Use assign_stack_local instead of
16227         gen_mem_addressof.
16228
16229 2004-07-01  Richard Henderson  <rth@redhat.com>
16230
16231         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
16232         (alpha_rtx_cost_data): Update to match.
16233         (alpha_rtx_cost_size): New.
16234         (alpha_rtx_costs): Honor optimize_size.
16235
16236 2004-07-01  Richard Henderson  <rth@redhat.com>
16237
16238         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
16239         * cfgexpand.c (tree_expand_cfg): Do it here.
16240         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
16241         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
16242         * config/mips/mips.c (mips_output_mi_thunk): And here.
16243         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
16244         * config/sh/sh.c (sh_output_mi_thunk): And here.
16245         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
16246
16247 2004-07-01  Richard Henderson  <rth@redhat.com>
16248
16249         * tree.def (RTL_EXPR): Remove.
16250         * c-typeck.c (lvalue_p): Don't handle it.
16251         * expr.c (safe_from_p): Likewise.
16252         (expand_expr_real_1): Likewise.
16253         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
16254         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
16255         * gengtype.c (adjust_field_tree_exp): Likewise.
16256         * stmt.c (warn_if_unused_value): Likewise.
16257         * tree-gimple.c (recalculate_side_effects): Likewise.
16258         * tree-pretty-print.c (dump_generic_node): Likewise.
16259         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
16260         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
16261         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
16262
16263         * stmt.c (struct stmt_status): Remove x_last_expr_type,
16264         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
16265         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
16266         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
16267         all the bits that tracked last_expr.
16268         (expand_end_bindings): Don't track last_expr.
16269         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
16270         (clear_last_expr): Remove.
16271         (expand_asm): Don't call it.
16272         (expand_asm_operands, expand_end_cond): Likewise.
16273         (expand_naked_return, expand_null_return_1): Likewise.
16274         * c-typeck.c (c_begin_compound_stmt): Likewise.
16275         * cfgexpand.c (expand_block): Use expand_expr_stmt.
16276         * expr.c (expand_expr_real_1): Likewise.
16277         * tree.h: Update prototypes.
16278
16279         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
16280         (struct emit_status): Remove sequence_rtl_expr.
16281         (struct function): Remove x_rtl_expr_chain.
16282         (seq_rtl_expr, rtl_expr_chain): Remove.
16283         * function.c (struct temp_slot): Remove rtl_expr.
16284         (assign_stack_temp_for_type): Don't set it.
16285         (free_temp_slots, pop_temp_slots): Don't check it.
16286         (free_after_compilation): Don't clear x_rtl_expr_chain.
16287         (fixup_var_refs): Don't search it.
16288         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
16289         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
16290         or seq_rtl_expr.
16291         (push_topmost_sequence): Likewise.
16292         (end_sequence, init_emit): Likewise.
16293         (start_sequence_for_rtl_expr): Remove.
16294         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
16295         * rtl.h (preserve_rtl_expr_result): Remove.
16296
16297 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
16298
16299         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
16300         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
16301         typos.
16302
16303 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
16304
16305         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
16306         (STANDARD_STARTFILE_PREFIX_2): Define.
16307         (standard_startfile_prefix_1): Initialize to
16308         STANDARD_STARTFILE_PREFIX_1.
16309         (standard_startfile_prefix_2): Initialize to
16310         STANDARD_STARTFILE_PREFIX_2.
16311         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
16312         (STANDARD_STARTFILE_PREFIX_1): Define.
16313         (STANDARD_STARTFILE_PREFIX_2): Define.
16314         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
16315         (STANDARD_STARTFILE_PREFIX_2): Document.
16316
16317 2004-07-01  Richard Henderson  <rth@redhat.com>
16318
16319         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
16320         in order to disable scalarization.  Instead set a flag and wait
16321         for a candidate decl.
16322
16323 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
16324
16325         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
16326         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
16327         Use terminology "testsuite" and "enumerated".
16328
16329 2004-07-01  Richard Henderson  <rth@redhat.com>
16330
16331         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
16332         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
16333         (initial_return_save): Likewise.
16334         (flush_queued_reg_saves): Remap register numbers.
16335         (dwarf2out_return_reg): Likewise.
16336
16337 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16338
16339         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
16340
16341         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
16342         access functions for lower bound and element size and only output
16343         if lower bound nonzero or element size not same as that of type.
16344         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
16345
16346 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
16347
16348         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
16349
16350 2004-07-01  Per Bothner  <per@bothner.com>
16351
16352         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
16353
16354 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
16355
16356         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
16357         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
16358         first operand.  Don't optimize if the bitfield is volatile.
16359
16360 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
16361
16362         * c-pretty-print.c (pp_c_postfix_expression): Handle
16363         floating-point comparison operators.
16364         (pp_c_expression): Pass floating-point comparison
16365         operators to pp_c_postfix_expression.
16366
16367 2004-07-01  Roger Sayle  <roger@eyesopen.com>
16368
16369         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
16370         rtx_cost instead of "had_mult" to determine whether the transformed
16371         expression is cheaper than the original.
16372
16373 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
16374
16375         * alias.c (get_alias_set, canon_rtx, get_addr,
16376         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
16377         Use MEM_P.
16378         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
16379         expand_builtin): Likewise.
16380         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
16381         Likewise.
16382         * combine.c (can_combine_p, combinable_i3pat, try_combine,
16383         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
16384         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
16385         record_dead_and_set_regs_1, get_last_value_validate,
16386         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
16387         * cse.c (check_dependence, canon_hash, equiv_constant,
16388         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
16389         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
16390         count_reg_usage): Likewise.
16391         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
16392         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
16393         cselib_record_sets): Likewise.
16394         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
16395         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
16396         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
16397         * df.c (df_uses_record): Likewise.
16398         * dojump (do_jump): Likewise.
16399         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
16400         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
16401         decl_start_label): Likewise.
16402         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
16403         operand_subword, change_address_1, make_safe_from): Likewise.
16404         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
16405         stabilize, force_not_mem): Likewise.
16406         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
16407         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
16408         * expr.c (convert_move, convert_modes, emit_block_move,
16409         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
16410         emit_move_insn_1, expand_assignment, store_expr,
16411         store_constructor_field, store_constructor, store_field,
16412         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
16413         Likewise.
16414         * final.c (cleanup_subreg_operands, alter_subreg,
16415         get_mem_expr_from_op): Likewise.
16416         * flow.c (notice_stack_pointer_modification_1,
16417         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
16418         Likewise.
16419         * function.c (mark_temp_addr_taken, preserve_temp_slots,
16420         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
16421         optimize_bit_field, flush_addressof, purge_addressof_1,
16422         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
16423         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
16424         keep_stack_depressed): Likewise.
16425         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
16426         noce_process_if_block, find_memory): Likewise.
16427         * integrate.c (subst_constants, allocate_initial_values): Likewise.
16428         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
16429         update_equiv_regs): Likewise.
16430         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
16431         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
16432         * optabs.c (expand_abs, emit_unop_insn): Likewise.
16433         * passes.c (rest_of_handle_final): Likewise.
16434         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
16435         move2add_note_store): Likewise.
16436         * ra-build.c (detect_remat_webs): Likewise.
16437         * ra-debug.c (dump_static_insn_cost): Likewise.
16438         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
16439         * recog.c (validate_change, apply_change_group, cancel_changes,
16440         validate_replace_rtx_1, general_operand, register_operand,
16441         nonmemory_operand, push_operand, pop_operand, memory_operand,
16442         indirect_operand, asm_operand_ok, offsettable_memref_p,
16443         offsettable_nonstrict_memref_p, constrain_operands,
16444         store_data_bypass_p): Likewise.
16445         * reg-stack.c (subst_stack_regs_pat): Likewise.
16446         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
16447         copy_cost, reg_scan_mark_refs): Likewise.
16448         * regmove.c (optimize_reg_copy_3, stack_memref_p,
16449         combine_stack_adjustments_for_block): Likewise.
16450         * regrename.c (copyprop_hardreg_forward_1): Likewise.
16451         * reload.c (can_reload_into, push_reload, decompose, immune_p,
16452         find_reloads, find_reloads_address, find_reloads_address_1,
16453         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
16454         find_equiv_reg): Likewise.
16455         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
16456         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
16457         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
16458         delete_address_reloads): Likewise.
16459         * resource.c (mark_referenced_resources): Likewise.
16460         * rtlanal.c (get_jump_table_offset, count_occurrences,
16461         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
16462         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
16463         num_sign_bit_copies1): Likewise.
16464         * rtlhooks.c (gen_lowpart_general): Likewise.
16465         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
16466         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
16467         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
16468         sdbout_global_decl): Likewise.
16469         * simplify-rtx.c (simplify_subreg): Likewise.
16470         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
16471         expand_anon_union_decl, expand_end_case_type): Likewise.
16472         * unroll.c (calculate_giv_inc): Likewise.
16473         * var-tracking.c (stack_adjust_offset_pre_post,
16474         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
16475         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
16476         vt_add_function_parameters): Likewise.
16477         * varasm.c (make_var_volatile, notice_global_symbol,
16478         assemble_external, decode_addr_const, mark_weak,
16479         default_encode_section_info): Likewise.
16480
16481 2004-07-01  Steven Bosscher  <stevenb@suse.de>
16482
16483         * stmt.c (check_seenlabel): Remove.
16484         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
16485
16486 2004-07-01  Richard Henderson  <rth@redhat.com>
16487
16488         * function.h (struct function): Remove x_function_call_count.
16489         (function_call_count): Remove.
16490         * calls.c (expand_call): Don't set it.
16491         * integrate.c (copy_rtx_and_substitute): Likewise.
16492
16493         * function.h (struct function): Remove x_cleanup_label.
16494         (cleanup_label): Remove.
16495         * stmt.c (expand_value_return): Don't use it.
16496         * function.c (free_after_compilation): Don't set it.
16497         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
16498         * cfgexpand.c (tree_expand_cfg): Update call.
16499         * tree.h (expand_function_start): Update decl.
16500
16501 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
16502
16503         PR c/1027
16504         * c-lang.c (c_initialize_diagnostics): Move from here ...
16505         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
16506         (c_tree_printer): Use pretty-printer to format %T.
16507         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
16508         before '*' if not C++.
16509         (pp_c_direct_abstract_declarator): Don't try to print array upper
16510         bound for flexible array members.
16511         * c-tree.h: Include "diagnostic.h".
16512         (c_initialize_diagnostics): Declare.
16513         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
16514         * c-format.c (format_type_warning): New function.  Improve
16515         diagnostics for incorrect format argument types.
16516         (check_format_types): Use it.  Add two parameters.  Use the
16517         TYPE_MAIN_VARIANT of wanted_type.
16518         (check_format_info_main): Pass new parameters to
16519         check_format_types.
16520         (struct format_wanted_type): Update comment.
16521
16522 2004-07-01  Nick Clifton  <nickc@redhat.com>
16523
16524         * target.h (struct gcc_target): Add new field to struct cxx:
16525         import_export_class.
16526         * target-def.h (TARGET_CXX): Initialise the new field.
16527         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
16528         the new field.
16529         * doc/tm.texi: Document the new target hook.
16530
16531 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
16532
16533         * builtins.c (fold_builtin_classify): Fix typo.
16534
16535 2004-07-01  Richard Henderson  <rth@redhat.com>
16536
16537         * function.c (identify_blocks, identify_blocks_1): Remove.
16538         * function.h (identify_blocks): Remove.
16539         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
16540
16541 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
16542
16543         * builtins.c (fold_builtin_classify): New.
16544         (fold_builtin_unordered_cmp): Fix commentary.
16545         (fold_builtin): Use it.
16546         * builtins.def: Define builtins for isnan,
16547         isnanf, isnanl, finite, finitef, finitel,
16548         isinf, isinff, isinfl.
16549
16550 2004-07-01  Richard Henderson  <rth@redhat.com>
16551
16552         * function.h (struct function): Remove dont_emit_block_notes.
16553         * gimple-low.c (lower_function_body): Don't set it.
16554         * cfgexpand.c (expand_block): Don't check it.
16555         * cfglayout.c (insn_locators_initialize): Likewise.
16556         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
16557         * passes.c (rest_of_compilation): Likewise.
16558         * stmt.c (expand_start_bindings_and_block): Likewise.
16559         (expand_end_bindings): Likewise.
16560
16561 2004-07-01  Richard Henderson  <rth@redhat.com>
16562
16563         * cgraph.h (cgraph_build_static_cdtor): Declare.
16564         * cgraphunit.c (cgraph_build_static_cdtor): New.
16565         * c-objc-common.c (build_cdtor): Use it.
16566         * coverage.c (create_coverage): Likewise.
16567         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
16568         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
16569
16570 See ChangeLog.11 for earlier changes.