OSDN Git Service

2004-09-07 David Daney <ddaney@avtrex.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-07  David Daney  <ddaney@avtrex.com>
2
3         * config.gcc: Added support for --with-divide=[breaks|traps] for
4         mips targets.
5         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
6         (TARGET_DIVIDE_TRAPS): New macro.
7         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
8         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
9         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
10         GENERATE_DIVIDE_TRAPS.
11         (mips_output_division): Emit conditional trap if
12         GENERATE_DIVIDE_TRAPS is set.
13         * doc/install.texi: Document --with-divide.
14         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
15
16 2004-09-07  Caroline Tice  <ctice@apple.com>
17
18         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
19         EDGE_CROSSING, to flags test case.
20         
21 2004-09-07  Jan Hubicka  <jh@suse.cz>
22
23         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
24         class too.
25
26 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
27
28         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
29         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
30         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
31         or gcc_unreachable.
32         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
33         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
34         alloc_aux_for_edges, free_aux_for_edges): Likewise.
35         * cfgcleanup.c (try_forward_edges,
36         merge_blocks_move_predecessor_nojumps,
37         merge_blocks_move_successor_nojumps): Likewise.
38         * cfgexpand.c (expand_gimple_cond_expr,
39         expand_gimple_tailcall): Likewise.
40         * cfghooks.c (duplicate_block): Likewise.
41         * cfglayout.c (record_effective_endpoints,
42         insn_locators_initialize, change_scope, fixup_reorder_chain,
43         verify_insn_chain, fixup_fallthru_exit_predecessor,
44         duplicate_insn_chain, cfg_layout_finalize): Likewise.
45         * cfgloopanal.c (check_irred): Likewise.
46         * cfgloop.c (superloop_at_depth, flow_loops_free,
47         flow_loop_entry_edges_find, flow_loops_find,
48         flow_loop_outside_edge_p, get_loop_body,
49         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
50         get_loop_exit_edges, num_loop_branches, cancel_loop,
51         verify_loop_structure): Likewise.
52         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
53         duplicate_loop_to_header_edge, create_preheader,
54         create_loop_notes): Likewise.
55         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
56         edirect_branch_edge, force_nonfallthru_and_redirect,
57         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
58         commit_edge_insertions, commit_edge_insertions_watch_calls,
59         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
60         cfg_layout_redirect_edge_and_branch_force,
61         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
62         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
63         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
64         cgraph_varpool_node): Likewise.
65         * cgraphunit.c (cgraph_finalize_function,
66         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
67         cgraph_expand_function, cgraph_remove_unreachable_nodes,
68         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
69         cgraph_mark_inline, cgraph_expand_all_functions,
70         cgraph_build_static_cdtor): Likewise.
71         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
72         simplify_logical, distribute_notes, insn_cuid): Likewise.
73         * conflict.c (conflict_graph_add, print_conflict): Likewise.
74         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
75         coverage_checksum_string): Likewise.
76         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
77         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
78         cse_cc_succs, cse_condition_code_reg): Likewise.
79         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
80         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
81         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
82         cselib_record_set): Likewise.
83
84 2004-09-07  Jan Hubicka  <jh@suse.cz>
85
86         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
87
88 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
89
90         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
91         fold_convert.
92         (fold_builtin_strpbrk): Likewise.
93         * expr.c (array_ref_low_bound): Likewise.
94         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
95         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
96         * tree-sra.c (generate_element_zero): Likewise.
97         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
98         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
99         add_old_iv_candidates, add_iv_candidates): Likewise.
100         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
101
102 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
103
104         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
105         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
106         c_expand_expr, boolean_increment, nonnull_check_p,
107         check_function_arguments_recurse, fold_offsetof_1): Likewise.
108         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
109         builtin_define_type_max): Likewise.
110         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
111         implicit_decl_warning, builtin_function, build_compound_literal,
112         complete_array_type, grokdeclarator, get_parm_info,
113         start_function, store_parm_decls_oldstyle,
114         c_write_global_declarations): Likewise.
115         * c-format.c (get_constant, decode_format_attr,
116         maybe_read_dollar_number, get_flag_spec, check_format_arg,
117         check_format_types, format_type_warning,
118         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
119         init_dynamic_diag_info, handle_format_attribute): Likewise.
120         * c-gimplify.c (push_context, pop_context, finish_bc_block): 
121         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
122         * c-objc-common.c (c_tree_printer): Likewise.
123         * c-pch.c (pch_init): Likewise.
124         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
125         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
126         * c-typeck.c (c_incomplete_type_error, composite_type,
127         common_pointer_type, common_type, same_translation_unit_p,
128         tagged_types_tu_compatible_p, finish_init, pop_init_level,
129         set_designator, set_nonincremental_init_from_string,
130         process_init_element, c_finish_if_stmt): Likewise.
131         * caller-save.c (init_caller_save, save_call_clobbered_regs,
132         insert_restore, insert_save, insert_one_insn): Likewise.
133         * calls.c (emit_call_1, compute_argument_block_size,
134         precompute_arguments, expand_call, emit_library_call_value_1,
135         store_one_arg): Likewise.
136
137 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
138
139         * configure.ac (enable-checking): Add release option. Reorganize
140         to avoid repetition.
141         * configure: Rebuilt.
142         * doc/install.texi (enable-checking): Amend documentation.
143
144 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
145
146         PR bootstrap/17313
147         * Makefile.in (specs.ready): Depend on cc1$(exeext).
148
149 2004-09-06  James E Wilson  <wilson@specifixinc.com>
150
151         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
152         movdf_hardfloat_32bit): Split fG into two alternatives.
153         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
154
155         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
156
157 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
158
159         * final.c (output_in_slot): Delete.
160         (final_scan_insn): Revert 2004-09-03 change.
161         (output_asm_insn): Likewise.
162         * config/sparc/sparc.c (output_return): Likewise.
163         (output_sibcall): Likewise.
164
165 2004-09-06  Jan Hubicka  <jh@suse.cz>
166
167         * loop.c (loop_dump_aux): Do not print RTL when not available.
168         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
169         frontend specific type nodes.
170         (produce_memory_decl_rtl): Break out from ...
171         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
172         (get_computation_at): Avoid random tree sharing.
173         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
174
175 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
176
177         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
178         unnecessary commands.
179
180 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
181
182         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
183         (bitmap.o): Likewise.
184
185 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
186
187         Unify the management of RTL and tree-level dump files.
188
189         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
190         Don't print function name to the dump file, the pass manager
191         would do this for us. Add code from the top of
192         rest_of_compilation, up to the initial RTL dump.
193         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
194         close the DFI_sibling dump file.
195         (rest_of_compilation): Don't do that here.  Remove code up to the
196         initial RTL dump.
197         (init_optimization_passes): Remove.
198         (pass_rest_of_compilation): Change pass name to NULL.
199         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
200         Do not call init_optimization_passes.
201         * toplev.h (init_optimization_passes): Remove.
202
203         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
204         finish_graph_dump_file): Remove SUFFIX parameter.
205         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
206         finish_graph_dump_file): Likewise.
207
208         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
209         * cfgexpand.c (pass_expand): Adjust.
210         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
211         * passes.c (pass_rest_of_compilation): Adjust.
212         * predict.c (pass_profile): Adjust.
213         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
214         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
215         pass_split_crit_edges, pass_warn_function_return): Adjust.
216         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
217         * tree-dfa.c (pass_referenced_vars): Adjust.
218         * tree-eh.c (pass_lower_eh): Adjust.
219         * tree-if-conv.c (pass_build_ssa): Adjust.
220         * tree-into-ssa.c (pass_build_ssa): Adjust.
221         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
222         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
223         * tree-nrv.c (pass_nrv): Adjust.
224         * tree-optimize.c (pass_gimple, pass_all_optimizations,
225         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
226         pass_init_datastructures): Adjust.
227         * tree-outof-ssa.c (pass_del_ssa): Adjust.
228         * tree-profile.c (pass_tree_profile): Adjust.
229         * tree-sra.c (pass_sra): Adjust.
230         * tree-ssa-alias.c (pass_may_alias): Adjust.
231         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
232         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
233         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
234         * tree-ssa-dom.c (pass_dominator): Adjust.
235         * tree-ssa-dse.c (pass_dse): Adjust.
236         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
237         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
238         * tree-ssa-loop-ch.c (pass_ch): Adjust.
239         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
240         pass_loop_done, pass_complete_unroll, pass_iv_canon,
241         pass_iv_optimize, pass_vectorize): Adjust.
242         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
243         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
244         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
245         pass_late_warn_uninnitialized): Adjust.
246         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
247
248         * Makefile.in (tree-dump.o): Add new dependencies.
249         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
250         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
251         Likewise.
252         * toplev.c (dump_file_name): New.
253         * tree-dump.c (dump_enable_all): Add LETTER parameter.
254         (struct dump_file_info): Add NUM and LETTER fields.
255         (dump_files): Adjust and add RTL dump files.
256         (dump_register): Add NUM and LETTER fields.
257         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
258         (dump_begin): Use get_dump_file_name.
259         (dump_switch_p_1): Adjust call to dump_enable_all.
260         * tree-dump.h (dump_register): Adjust prototype.
261         * tree-optimize.c (register_one_dump_file): Take dump file index.
262         Support flags for RTL dumps.
263         (register_dump_files): Fill in NUM field of struct dump_file_info.
264         Track properties both when the gate is executed and when it is not.
265         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
266         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
267         dumps of RTL.
268         * tree-pass.h (dump_file_name): New.
269         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
270         New.
271
272         * Makefile.in (passes.o): Add new dependencies.
273         * passes.c (struct dump_file_info, enum dump_file_index,
274         dump_file_tbl, init_optimization_passes): Remove.
275         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
276         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
277         dump_enabled_p.
278         (finish_optimization_passes): Update finish_graph_dump_file loop.
279         (enable_rtl_dump_file): Remove.
280         * tree-dump.c (dump_files): Adjust and add RTL dump files.
281         (enable_rtl_dump_file): Add here.
282         * tree.h (enum tree_dump_index): Add RTL dump file indices.
283         * doc/invoke.texi (Debugging options): Document new RTL debugging
284         options.  Update.
285
286 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
287
288         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
289         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
290         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
291         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
292         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
293         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
294         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
295         vec.h: Fix comment formatting.
296
297 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
298
299         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
300         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
301         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
302         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
303         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
304         tree-ssa-loop-niter.c, tree-ssa-operands.c,
305         tree-ssa-operands.h, tree-ssa-propagate.c,
306         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
307         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
308
309 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
310
311         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
312         vectorizer is enabled.
313
314 2004-09-05  Andreas Jaeger  <aj@suse.de>
315
316         * tree-if-conv.c: Spell check comments and clean up whitespace.
317
318 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
319
320         * tree-ssa-loop-ivopts.c: New file.
321         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
322         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
323         target_pres_cost, target_spill_cost): Declare.
324         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
325         spill_cost): Renamed to ...
326         (target_avail_regs, target_res_regs, target_small_cost,
327         target_pres_cost, target_spill_cost): ... and exported.
328         (init_set_costs, global_cost_for_size): Work with renamed variables.
329         * common.opt (flag_ivopts): New flag.
330         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
331         REF_ORIGINAL.
332         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
333         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
334         generating SSA form.
335         (force_gimple_operand): New function.
336         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
337         * tree-cfg.c (stmt_bsi): New function.
338         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
339         PARAM_IV_MAX_CONSIDERED_USES): New.
340         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
341         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
342         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
343         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
344         * tree-nested.c (build_addr): Export.
345         * tree-optimize.c (init_tree_optimization_passes): Add
346         pass_iv_optimize.
347         * tree-pass.h (pass_iv_optimize): Declare.
348         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
349         IMAGPART_EXPR.
350         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
351         as a phi node argument.
352         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
353         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
354         functions.
355         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
356         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
357         pass_iv_optimize): New pass.
358         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
359         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
360         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
361         * tree.h (REF_ORIGINAL): New macro.
362         (build_int_cst_type, unsigned_type_for, zero_p,
363         cst_and_fits_in_hwi, build_addr): Declare.
364         * doc/invoke.texi (-fivopts): Document.
365         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
366         PARAM_IV_MAX_CONSIDERED_USES): Document.
367         * doc/passes.texi: Document induction variable optimizations pass.
368
369 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
370
371         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
372         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
373         * c-common.c (c_common_attribute_table): Accept parameters to
374         sentinel attribute.
375         (check_function_sentinel, handle_sentinel_attribute): Likewise.
376         * doc/extend.texi: Update accordingly.
377
378 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
379
380         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
381         New.
382         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
383         attribute.
384         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
385         New functions.
386         (c_common_attribute_table): Add `sentinel' attribute.
387         (check_function_arguments): Handle `sentinel' attribute.
388         * doc/extend.texi: Document `sentinel' attribute.
389
390 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
391
392         * configure: Regenerated.
393
394 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
395
396         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
397
398         * tree.c (save_expr): No longer TREE_READONLY.
399
400 2004-09-04  Jan Hubicka  <jh@suse.cz>
401
402         * passes.c (rest_of_clean_state):  Fix merge conflict made during
403         commiting the patch.
404
405 2004-09-04  Jan Hubicka  <jh@suse.cz>
406
407         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
408
409 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
410
411         * doc/md.texi (shift patterns): New anchor.  Add reference to
412         TARGET_SHIFT_TRUNCATION_MASK.
413         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
414         * target.h (shift_truncation_mask): New target hook.
415         * targhook.h (default_shift_truncation_mask): Declare.
416         * targhook.c (default_shift_truncation_mask): Define.
417         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
418         (TARGET_INITIALIZER): Include it.
419         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
420         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
421         reject all out-of-range values.  Fix sign-extension code for modes
422         whose width is smaller than HOST_BITS_PER_WIDE_INT.
423         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
424         (expand_superword_shift, expand_subword_shift): Likewise.
425         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
426         (expand_binop): Use them to implement double-word shifts.
427         * config/arm/arm.c (arm_shift_truncation_mask): New function.
428         (TARGET_SHIFT_TRUNCATION_MASK): Define.
429
430 2004-09-04  Jan Hubicka  <jh@suse.cz>
431
432         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
433         (mix): New macro copied from hashtab.c
434         (iterative_hash_hashval_t, iterative_hash_pointer,
435         iterative_hash_host_wide_int): New functions based on hashtab.c
436         implementation.
437
438 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
439
440         * config/mips/mips.md (mask): New mode attribute.
441         (zero_extendsidi2): Add memory alternative.
442         (*zero_extendsidi2_mem): Delete.
443         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
444         memory_operand in the TARGET_MIPS16 check.
445         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
446         Redefine using :GPR and :SHORT.
447         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
448
449 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
450
451         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
452         using rint_optab.
453         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
454         expand_builtin_mathfn.
455         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
456         btrunc?f patterns for btrunc_optab. Implement rint_optab using
457         rint?f patterns.
458         * optabs.c (init_optabs): Initialize rint_optab.
459         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
460         Add new OTI_rint.
461         (btrunc_optab): Rename macro from trunc_optab.
462         (rint_optab): Define corresponding macro.
463
464         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
465         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
466
467         * config/i386/i386-protos.h (emit_i387_cw_initialization):
468         Change prototype. Add new int parameter.
469         * config/i386/i386.c (emit_i387_cw_initialization):
470         Handle new rounding modes.
471
472         * config/i386/i386.h (enum fp_cw_mode): Delete.
473         (MODE_NEEDED): Handle new rounding modes.
474         (EMIT_MODE_SET): Change condition to handle new rounding modes.
475
476         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
477         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
478         represent different rounding modes of frndint insn.
479         (type): Add frndint type.
480         (i387, length, memory): Handle this type.
481         (i387_cw): New attribute definition.
482         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
483         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
484         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
485         Add "i387_cw" attribute defined to "trunc".
486         (x86_fnstcw_1): Remove comment.
487         (*frndintxf2): Rename insn definition to frndintxf2. Move
488         insn definition near rint?f2 expanders.
489         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
490         rintf and rintl built-ins as inline x87 intrinsics.
491         (frndintxf2_floor): New pattern to implement floor rounding
492         mode with frndint x87 instruction.
493         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
494         floorf and floorl built-ins as inline x87 intrinsics.
495         (frndintxf2_ceil): New pattern to implement ceil rounding
496         mode with frndint x87 instruction.
497         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
498         ceilf and ceill built-ins as inline x87 intrinsics.
499         (frndintxf2_trunc): New pattern to implement trunc rounding
500         mode with frndint x87 instruction.
501         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
502         truncf and truncl built-ins as inline x87 intrinsics.
503         (frndintxf2_mask_pm): New pattern to implement rounding
504         mode with exceptions with frndint x87 instruction.
505         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
506         implement nearbyint, nearbyintf and nearbyintl built-ins as
507         inline x87 intrinsics.
508
509 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
510
511         * config/mips/mips.md (SHORT): New mode macro.
512         (size): New mode attribute.
513         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
514         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
515         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
516         !ISA_HAS_SEB_SEH.
517         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
518         *extend[qh]isi2_hw patterns and extending them to di.
519         (extendqihi2): Implement as define_insn_and_split that produces
520         extendqisi2 after reload.
521
522 2004-09-03  Devang Patel  <dpatel@apple.com>
523
524         * Makefile.in (OBJS-common): Add tree-if-conv.o
525         (tree-if-conv.o): New rule.
526         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
527         (get_loop_body_in_bfs_order): New.
528         * cfgloop.h (get_loop_body_in_bfs_order): New.
529         * tree-flow.h (enum move_pos): Move here from ..
530         * tree-ssa-loop-im.c (enum move_pos): here.
531         (movement_possibility): Make externally visible.
532         * tree-optimize.c (init_tree_optimization_passes): New entry for
533         if conversion pass.
534         * tree-pass.h (pass_if_conversion): New.
535         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
536         * tree-if-conv.c: New file.
537         * doc/passes.texi: Document tree if-conversion pass.
538         * doc/tree-ssa.texi: Same.
539
540 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
541
542         PR target/14925:
543         Makefile.in (LIB2ADDEHSTATIC): New.
544         (LIB2ADDEHSHARED): New.
545         (LIBUNWIND): New.
546         (LIBUNWINDDEP): New.
547         (SHLIBUNWIND_LINK): New.
548         (SHLIBUNWIND_INSTALL): New.
549         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
550         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
551         (clean): Remove libunwind*
552         (stage1-start): Remove and copy stage1/libunwind*.
553         (stage2-start): Remove and copy stage2/libunwind*.
554         (stage3-start): Remove and copy stage3/libunwind*.
555         (stage4-start): Remove and copy stage4/libunwind*.
556         (stageprofile-start): Remove and copy stageprofile/libunwind*.
557         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
558
559         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
560         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
561         tmake_file if --with-system-libunwind isn't used.
562
563         * config/ia64/t-glibc-libunwind: New file.
564         * config/t-libunwind-elf: Likewise.
565         * unwind-compat.c: Likewise.
566         * unwind-compat.h: Likewise.
567         * unwind-dw2-fde-compat.c: Likewise.
568
569         * config/ia64/t-glibc (LIB2ADDEH): Updated.
570         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
571
572         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
573         aliases if needed.
574         * unwind-dw2-fde-glibc.c: Likewise.
575         * unwind-dw2.c: Likewise.
576
577         * config/t-libunwind (LIB2ADDEH): Updated.
578         (LIB2ADDEHSTATIC): New.
579         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
580         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
581
582         * configure.ac: Change --enable-libunwind-exceptions to
583         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
584         * configure: Regenerated.
585         * config.in: Updated.
586
587         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
588         above and mention --with-system-libunwind.
589         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
590         removed in gcc 3.4.3 and later.
591
592         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
593         USE_LIBUNWIND_EXCEPTIONS is defined.
594
595         * mklibgcc.in: Support libunwind.
596
597 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
598
599         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
600         m_NOCONA.
601
602 2004-09-03  Richard Henderson  <rth@redhat.com>
603
604         PR middle-end/9997
605         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
606         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
607         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
608         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
609         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
610         resize_stack_vars_conflict, add_stack_var_conflict,
611         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
612         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
613         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
614         expand_one_static_var, expand_one_hard_reg_var,
615         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
616         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
617         (expand_used_vars): Rewrite.
618         * Makefile.in (cfgexpand.o): Update dependencies.
619
620 2004-09-04  Jan Hubicka  <jh@suse.cz>
621
622         * cfg.c (free_edge): Use ggc_free.
623         (expunge_block): Use ggc_free.
624         * passes.c (rest_of_clean_state): Free after compilation.
625         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
626         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
627
628 2004-09-03  James E Wilson  <wilson@specifixinc.com>
629
630         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
631         DECL_EXTERNAL check.
632
633 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
634
635         * final.c (output_in_slot): New global variable.
636         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
637         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
638         'output_in_slot' before invoking output_asm_insn.
639         (output_asm_insn): Add a space after the tab if 'output_in_slot'
640         is set.
641         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
642         final_scan_insn.
643         (output_sibcall): Likewise.
644
645 2004-09-03  Jan Hubicka  <jh@suse.cz>
646
647         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
648         * tree-ssanames (init_ssanames): Likewise.
649
650 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
651
652         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
653         objc_declare_protocols, objc_start_protocol,
654         objc_start_class_interface, objc_start_category_interface,
655         objc_continue_interface, objc_finish_interface,
656         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
657         objc_start_class_implementation, objc_start_category_implementation,
658         objc_continue_implementation, objc_finish_implementation,
659         objc_add_method_declaration, objc_start_method_definition,
660         objc_finish_method_definition, objc_build_keyword_decl,
661         objc_build_method_signature, objc_build_encode_expr,
662         objc_build_protocol_expr, objc_build_selector_expr,
663         objc_build_message_expr, objc_build_string_object,
664         objc_get_class_reference, objc_get_protocol_qualified_type,
665         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
666
667 2004-09-03  James E Wilson  <wilson@specifixinc.com>
668
669         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
670
671         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
672         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
673         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
674         (mips_recip1_<fmt>): Use frdiv1 type.
675         (mips_recip2_<fmt>): Use frdiv2 type.
676         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
677         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
678         and frsqrt1.
679         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
680
681 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
682
683         * reload.c (find_reloads): Swap operand_loc pointers for
684         find_dummy_reload if we have swapped two operands.
685
686 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
687
688         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
689         to get the tablejump-insn before the jump-table label.
690
691 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
692
693         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
694         objc_declare_protocols, objc_build_message_expr,
695         objc_finish_message_expr, objc_build_selector_expr,
696         objc_build_protocol_expr, objc_build_encode_expr,
697         objc_build_string_object, objc_get_protocol_qualified_type,
698         objc_get_class_reference, objc_get_class_ivars,
699         objc_start_class_interface, objc_start_category_interface,
700         objc_start_protocol, objc_continue_interface, objc_finish_interface,
701         objc_start_class_implementation, objc_start_category_implementation,
702         objc_continue_implementation, objc_finish_implementation,
703         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
704         objc_add_method_declaration, objc_start_method_definition,
705         objc_finish_method_definition, objc_add_instance_variable,
706         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
707         objc_finish_try_stmt, objc_begin_catch_clause,
708         objc_finish_catch_clause, objc_build_finally_clause,
709         objc_build_synchronized, objc_static_init_needed_p,
710         objc_generate_static_init_call): New prototypes.
711
712 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
713
714         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
715         is only one reg.
716         (ia64_function_value): Ditto.
717
718 2004-09-03  Jan Beulich  <jbeulich@novell.com>
719
720         * config.gcc: Resurrect NetWare as a target. Handle special case of
721         Novell linker to be used (specified through --with-ld=) and threading
722         model of either Posix (default) or NKS.
723         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
724         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
725         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
726         * config/i386/netware.c, config/i386/netware.h: New.
727         * config/i386/nwld.c, config/i386/nwld.h: New.
728         * config/i386/netware-crt0.c: New.
729         * config/i386/netware-libgcc.c: New.
730         * config/i386/netware-libgcc.def: New.
731         * config/i386/netware-libgcc.exp: New.
732         * config/i386/t-netware, config/i386/t-nwld: New.
733         * gthr-nks.h: New.
734         * doc/install.texi: Document NKS threading model.
735
736 2004-09-03  Jan Beulich  <jbeulich@novell.com>
737
738         PR c/7054
739         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
740         * tree.h (initial_max_fld_align): Declare
741         * stor-layout.c (initial_max_fld_align): Define and initialize.
742         (maximum_field_alignment): Initialize to the same value.
743         * common.opt: Add -fpack-struct= variant of switch.
744         * opts.c: Handle -fpack-struct= variant of switch.
745         * c-pragma.c: Change #pragma pack() handling so that it becomes
746         compatible to other compilers: accept individual 'push' argument,
747         make final pop restore (command line) default, correct interaction
748         of push/pop and sole specification of a new alignment (so that the
749         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
750         to #pragma pack(push, <n>).
751         * doc/extend.texi: New node "Structure-Packing Pragmas" under
752         "Pragmas", describing #pragma pack.
753         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
754         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
755         Document new TARGET_DEFAULT_PACK_STRUCT.
756
757 2004-09-03  Devang Patel  <dpatel@apple.com>
758
759         * dwarf2out.c (gen_field_die). Equate decl number to die.
760
761 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
762
763         PR target/15832
764         * global.c (modify_reg_pav): New function.
765         (make_accurate_live_analysis): Call the new function.  Move pavin
766         modification by earlyclobber set into the new function.
767
768 2004-09-03  Andreas Schwab  <schwab@suse.de>
769
770         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
771         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
772         extended.
773
774 2004-09-02  Jan Beulich  <jbeulich@novell.com>
775
776         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
777         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
778         not unwind code specific ones.
779         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
780         Remove unwind code specific dependencies.
781         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
782         Remove gbl-ctors.h.
783         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
784         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
785         * tsystem.h: Declare memcpy and memset when inhibit_libc.
786
787 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
788
789         * combine.c (try_combine): Delay modifying of insns which cannot
790         be easily undone.
791
792 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
793
794         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
795         tree-loop-im.
796         * gcc/tree-ssa-loop.c: Ditto
797         * gcc/tree-ssa-loop-ivcanon.c: Ditto
798         * gcc/doc/invoke.texi: Ditto.
799
800 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
801
802         * c-decl.c (store_parm_decls_newstyle): Make static.
803         (store_parm_decls_from): New function.
804         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
805         (store_parm_decls_from): New prototype.
806
807 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
808
809         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
810         HImode with STRICT_ALIGNMENT.
811
812 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
813
814         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
815         (TARGET_OS_CPP_BUILTINS): Likewise.
816         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
817         TARGET_BPABI_CPP_BUILTINS.
818
819 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
820
821         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
822
823 2004-09-02  Eric Christopher  <echristo@redhat.com>
824
825         * builtins.c (expand_builtin_cabs): Delete.
826         (expand_builtin): If unable to fold the values do a normal
827         library call for builtin_cab*.
828         (fold_builtin_cabs): Depend on optimize and optimize_size.
829         * optabs.c (expand_cmplxdiv_straight): Delete.
830         (expand_cmplxdiv_wide): Ditto.
831         (expand_vector_binop): Ditto.
832         (expand_vector_unop): Ditto.
833         (expand_complex_abs): Delete.
834         (expand_binop): Remove calls to above functions.
835         Remove open coding of complex arithmetic.
836         (expand_unop): Ditto.
837         * optabs.h: Remove prototypes.
838
839 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
840
841         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
842         * c-tree.h (store_parm_decls_newstyle): New prototype.
843
844 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
845
846         * config/rs6000/rs6000.c (expand_block_clear): Use vector
847         instructions if available.
848         (expand_block_move): Likewise.
849
850 2004-09-03  Jan Hubicka  <jh@suse.cz>
851
852         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
853
854 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
855
856         * config/arm/symbian.h (LIB_SPEC): Define to empty.
857         * config/arm/t-symbian (SHLIB_LC): Likewise.
858
859 2004-09-02  Paul Brook  <paul@codesourcery.com>
860
861         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
862
863 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
864
865         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
866         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
867         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
868         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
869         (mips_issue_rate): Remove unreachable abort.
870         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
871         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
872         (mips_block_move_straight, print_operand_address, mips_file_start)
873         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
874         (mips_output_conditional_branch, mips_expand_builtin_direct)
875         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
876         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
877         with gcc_assert.
878
879 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
880
881         * config/mips/mips.md (*lea_high64): Change split condition to
882         flow2_completed.  Add a peephole2 to generate a more parallel version.
883
884 2004-09-02  Jan Hubicka  <jh@suse.cz>
885
886         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
887         GGC.
888
889         * ggc-page.c: include tree-flow.h.
890         (extra_order_size_table): Add stmt_ann_d.
891         (STAT_LABEL): Rename from ....
892         (LABEL): ... this one.
893         * Makefile.in (ggc-page.o): Add dependency.
894
895         * ggc-common.c (ggc_force_collect): New global variable.
896         (loc_description): Add fields "freed", "collected"
897         (ptr_hash): New static hash
898         (ptr_hash_entry): New structure.
899         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
900         (ggc_record_overhead): Take ptr argument, record it
901         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
902         (cmp_statistics): Imrove sorting.
903         (dump_ggc_loc_statistics): Output newly collected statistics
904         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
905         (ggc_free): Call ggc_free_overhead.
906         (ggc_collect): Force collection when asked to be forced.
907         (ggc_collect): Call ggc_prune_overhead_list.
908         * ggc.h (ggc_force_collect): Declare
909         (ggc_record_overhead): Update prototype.
910         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
911
912 2004-09-02  James E Wilson  <wilson@specifixinc.com>
913
914         * common.opt (ftrapping-math): Default to on.
915
916 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
917
918         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
919
920 2004-09-02  Denis Chertykov  <denisc@overta.ru>
921
922         PR target/16884
923         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
924         match_scratch.
925         (*movmemqi_insn): Likewise.
926         (*movmemhi): Likewise.
927         (clrmemhi): Likewise.
928         (*clrmemqi): Likewise.
929         (*clrmemhi): Likewise.
930
931 2004-09-02  Paul Brook  <paul@codesourcery.com>
932
933         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
934         default_use_cxa_atexit=yes.
935
936 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
937
938         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
939         (struct kernel_old_ucontext): Delete.
940         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
941         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
942         when IN_LIGGCC2.
943
944 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
945
946         * toplev.c (process_options): Fix typo.
947
948 2004-09-01  Richard Henderson  <rth@redhat.com>
949
950         PR middle-end/17258
951         * calls.c (initialize_argument_information): Tighten pass-through
952         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
953         Use build_fold_addr_expr.
954         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
955         that assumes ADDR_EXPR allocates stack space.
956         * fold-const.c (build_fold_addr_expr_with_type): Look through
957         WITH_SIZE_EXPR.
958
959 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
960
961         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
962         * ggc.h (ggc_alloc_rtx): Delete.
963
964 2004-09-01  Roger Sayle  <roger@eyesopen.com>
965
966         * expmed.c (enum alg_code): Remove long unused enumeration values.
967         (struct mult_cost): New structure to hold the "score" of a synthetic
968         multiply sequence, including both a rtx_cost and a latency field.
969         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
970         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
971         (struct algorithm): Change type of cost field to be mult_cost.
972         (synth_mult): Change type of cost_limit argument to be a
973         pointer to a mult_cost.  Update all cost comparisons to use the
974         new mult_cost infrastructure.  For alg_add_factor and
975         alg_sub_factor operations, latency is lower than the rtx_cost.
976         (choose_mult_variant):  Update calls to synth_mult.  Perform
977         cost comparisons using the new mult_cost infrastructure.
978         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
979         to optain the total rtx_cost of a synth_mult "algorithm".
980
981 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
982
983         * config/rs6000/power4.md: Increase store latency to 12.
984         * config/rs6000/power5.md: Same.
985
986 2004-09-01  James E Wilson  <wilson@specifixinc.com>
987
988         PR target/14064
989         * config/avr/avr.c (avr_unique_section): Delete prototype and
990         definition.
991         (TARGET_ASM_UNIQUE_SECTION): Delete.
992
993 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
994
995         * c-parse.in (primary): Call objc_build_message_expr(),
996         objc_build_selector_expr(), objc_build_protocol_expr(),
997         objc_build_encode_expr() and objc_build_string_object() instead of
998         build_message_expr(), build_selector_expr(), build_protocol_expr(),
999         build_encode_expr() and build_objc_string_object(), respectively.
1000         (component_decl_list2): Call objc_get_class_ivars() instead of
1001         get_class_ivars_from_name().
1002         (keyworddecl): Call objc_build_keyword_decl() instead of
1003         build_keyword_decl().
1004         (receiver): Call objc_get_class_reference() instead of
1005         get_class_reference().
1006         (reswords): Add blank line before @@ifobjc section, for clarity.
1007
1008 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
1009
1010         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
1011         to Altivec vetors.
1012
1013 2004-09-01  Wu Yongwei  <adah@sh163.net>
1014             Danny Smith  <dannysmith@users.sourceforge.net>
1015
1016         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
1017         not Windows 'DWORD'.
1018         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
1019         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
1020         (__gthr_win32_recursive_mutex_init_function): Add prototype for
1021         __GTHREAD_HIDE_WIN32API case..
1022         (__gthr_win32_recursive_mutex_lock): Likewise.
1023         (__gthr_win32_recursive_mutex_trylock): Likewise.
1024         (__gthr_win32_recursive_mutex_unlock): Likewise.
1025         (__gthread_recursive_mutex_init_function); Add definition for
1026         __GTHREAD_HIDE_WIN32API case.
1027         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
1028         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
1029         call to InterlockedDecrement.
1030
1031 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1032
1033         * tree-tailcall.c (find_tail_calls): Also fail is statement has
1034         volatile operands.
1035
1036         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
1037
1038         * doc/c-tree.texi: Document new operands for ARRAY_REF and
1039         COMPONENT_REF.
1040
1041 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1042
1043         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
1044         * common.opt (fspeculative-prefetching): New.
1045         * flags.h (flag_speculative_prefetching_set): Declare.
1046         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
1047         values.
1048         * opts.c (flag_sepculative_prefetching_set): New variable.
1049         (common_handle_option): Handle -fspeculative-prefetching.
1050         * passes.c (rest_of_compilation): Ditto.
1051         * profile.c (instrument_values, compute_value_histograms, branch_prob):
1052         Use vectors instead of arrays.
1053         * toplev.c (process_options): Handle -fspeculative-prefetching.
1054         * rtl-profile.c: Include ggc.h.
1055         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
1056         rtl_gen_one_value_profiler_no_edge_manipulation,
1057         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
1058         argument changed.
1059         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
1060         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
1061         argument changed.
1062         * value-prof.c: Include ggc.h.
1063         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
1064         macros.
1065         (insn_prefetch_values_to_profile, find_mem_reference_1,
1066         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
1067         speculative_prefetching_transform): New.
1068         (value_profile_transformations): Call speculative_prefetching_transform.
1069         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
1070         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
1071         tree_find_values_to_profile, find_values to profile): Use vectors
1072         instead of arrays.
1073         (free_profiled_values): Removed.
1074         * value-prof.h (struct histogram_value): Renamed to
1075         struct histogram_value_t.
1076         (histogram_value, histogram_values): New types.
1077         (find_values_to_profile): Declaration changed.
1078         (free_profiled_values): Removed.
1079         (struct profile_hooks): Type of argument of the hooks changed to
1080         histogram_value.
1081         * doc/invoke.texi (-fspeculative-prefetching): Document.
1082
1083 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1084
1085         PR rtl-optimization/16408
1086         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
1087
1088 2004-09-01  Richard Henderson  <rth@redhat.com>
1089
1090         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
1091         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
1092
1093 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1094
1095         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
1096
1097 2004-09-01  Mike Stump  <mrs@apple.com>
1098
1099         * config/darwin.c (machopic_symbol_defined_p): In addition to
1100         being SYMBOL_REF_LOCAL_P, a symbol must also be
1101         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
1102         defined in this output file, or translation unit in the case
1103         of IMA not being used.
1104         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
1105         never need .indirect_symbol when indirecting.
1106
1107 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1108
1109         * Makefile.in (bb-reorder.o): Add several dependencies.
1110
1111 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1112
1113         * fold-const.c (operand_equal_p): Require equal sign also for
1114         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
1115
1116 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1117
1118         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
1119         for use in configargs.h.  Put the cname in a separate variable.  Use
1120         that to set target_cpu_default2.
1121
1122 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
1123             Nick Clifton  <nickc@redhat.com>
1124
1125         * config/sh/sh.md ("length"): Increase branch length when
1126         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
1127         constant, 2 byte for aligning the constant.
1128
1129 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1130
1131         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
1132         CPU.
1133         (arm7tdmi-s): New CPU name.
1134         * arm/arm.c (ARM_CORE): Update for new format.
1135         * arm/arm.h (ARM_CORE): Likewise.
1136         * arm/gentune.sh: Update for extra field.
1137         * config.gcc: Likewise.
1138         * arm/arm-tune.md: Regenerate.
1139         * doc/invoke.texi: Document the real processor names for ARM cpus.
1140
1141 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1142
1143         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
1144         (floatdidf): New functions.
1145         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
1146         (floatdisf): New functions.
1147         * t-arm-elf: Use them.
1148
1149 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1150
1151         * c-common.h (lookup_interface): Remove prototype.
1152         (is_class_name): Rename to objc_is_class_name.
1153         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1154         (get_current_scope): Rename to objc_get_current_scope.
1155         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
1156         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
1157         (yylexname): Call objc_is_class_name() instead of is_class_name().
1158         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
1159         instead of lookup_objc_ivar().
1160         * stub-objc.c (lookup_interface): Remove stub.
1161         (is_class_name): Rename to objc_is_class_name.
1162         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1163
1164 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1165
1166         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
1167         * config/arm/lib1funcs.asm: Do not include supplemental .S files
1168         when compiling for Symbian.
1169         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
1170         (TARGET_OS_CPP_BUILTINS): Likewise.
1171         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
1172
1173 2004-08-31  Stan Shebs  <shebs@apple.com>
1174
1175         * toplev.c (process_options): Ensure debug_hooks is initialized.
1176
1177 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1178
1179         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
1180         * target.h (cxx): Add export_class_data.
1181         * config/arm/arm.c (arm_cxx_export_class_data): New function.
1182         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
1183         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
1184
1185 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
1186
1187         * config/sh/sh.c (output_branch): Check the insn length possibly
1188         in the delayed slot.
1189
1190 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1191
1192         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
1193         blank after ')'.
1194         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
1195
1196         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
1197         (c_sizeof_of_alignof_type): Likewise.
1198         * expr.c (array_ref_element_size): Likewise.
1199         (highest_pow2_factor_for_target): Likewise.
1200         * gimplify.c (canonicalize_addr_expr): Likewise.
1201         (gimplify_compound_lval): Likewise.
1202         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
1203         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1204         * varasm.c (assemble_variable): Likewise.
1205         (output_constant_def_contents): Alignments are unsigned.
1206
1207 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1208             Jeff Law  <law@redhat.com>
1209
1210         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
1211         gets modified.
1212
1213 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1214
1215         * hooks.c (hook_bool_void_true): New function.
1216         * hooks.h (hook_bool_void_true): Declare.
1217         * target-def.h (TARGET_CXX): Add
1218         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
1219         * target.h (struct cxx): Add key_method_may_be_inline.
1220         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
1221         function.
1222         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
1223         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
1224         __THUMB_INTERWORK.
1225
1226 2004-08-31  Denis Chertykov  <denisc@overta.ru>
1227
1228         PR target/15417
1229         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
1230         frame pointer register only in Pmode while reload in progress.
1231
1232 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
1233
1234         PR target/15334
1235         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
1236         because it breaks the 32-bit shift patterns that rely on a match_dup.
1237
1238 2004-08-31  Matt Austern  <austern@apple.com>
1239
1240         * config/darwin.c (darwin_make_decl_one_only): Allocate section
1241         names once per compilation, instead of once per symbol.
1242
1243 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
1244
1245         * Makefile.in (build_subdir): New substitution.
1246         (fixinc.sh): Simplify heavily since fixincludes is already built.
1247         (stmp-fixinc): Depend on specs.ready.
1248         (install-mkheaders): Use new location of fixincludes.
1249         (clean): Do not descend into fixinc.
1250         (FORBUILD): Replace with ../$(build_subdir).
1251         * configure.ac (build_subdir): Substitute.
1252         (FORBUILD): Do not set.
1253         (all_outputs): Remove fixinc/Makefile.
1254         (default commands): Do not create links in fixinc.
1255         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
1256         the fixincludes configuration steps and substituting
1257         @FIXINCL@ in fixinc.in.
1258         * fixinc.in: New, from fixinc/fixincl.sh.
1259
1260         * fixinc/*: Removed.
1261
1262 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1263
1264         * attribs.c (strip_attrs): Remove.
1265         (split_specs_attrs): Move ...
1266         * c-decl.c: ... to here.
1267         * tree.h (split_specs_attrs, strip_attrs): Remove.
1268         * c-tree.h (split_specs_attrs): Declare.
1269
1270 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1271
1272         * read-rtl.c: Disable RTL checking.
1273         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
1274
1275 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1276
1277         * config/mips/mips.md (fcond): New code macro and attribute.
1278         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
1279         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
1280         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
1281
1282 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
1283
1284         Revert:
1285         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1286         PR rtl-optimization/16590
1287         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1288
1289 2004-08-30  Andrew Pinski  <apinski@apple.com>
1290
1291         * hard-reg-set.h:
1292         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
1293         * ChangeLog: Fix previous ChangeLog entry.
1294
1295         PR rtl-opt/13987
1296         * config.host (use_long_long_for_widest_fast_int): New, default is
1297         off.
1298         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
1299         * configure.ac: If use_long_long_for_widest_fast_int, then
1300         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
1301         * configure: Regenerate.
1302         * config.in: Regenerate.
1303         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
1304         New: widest integer type supported efficiently in hardware for the
1305         host.
1306         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
1307         HOST_BITS_PER_WIDEST_FAST_INT.
1308         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
1309         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
1310         HOST_WIDEST_FAST_INT
1311         instead of HOST_WIDE_INT.
1312         (HARD_REG_SET_LONGS): Likewise.
1313         (UHOST_BITS_PER_WIDE_INT): Likewise.
1314         Change the checks for the fast cases to be based on
1315         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
1316
1317 2004-08-30  Steven Bosscher  <stevenb@suse.de>
1318
1319         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
1320         not the pointers.
1321
1322 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
1323
1324         PR 12738
1325         PR 17205
1326         Radar 3460526
1327         Radar 3775729
1328         * c-decl.c (grokdeclarator): Produce error for 'static' on local
1329         function declaration.
1330
1331 2004-08-30  Richard Henderson  <rth@redhat.com>
1332
1333         * expr.c (array_ref_element_size): Force aligned_size back to
1334         sizetype.
1335         (component_ref_field_offset): Similarly for aligned_offset.
1336         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
1337         low-bound, element-size, field-offset fields rather than
1338         computed values.
1339
1340 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1341
1342         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
1343         redundant code.
1344
1345 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1346
1347         * c-tree.h (struct language_function): Add arg_info element.
1348         * c-decl.c (current_function_arg_info): New.
1349         (grokdeclarator, store_parm_decls): Use it instead of
1350         DECL_ARGUMENTS.
1351         (c_push_function_context, c_pop_function_context): Save and
1352         restore it.
1353
1354 2004-08-30  Richard Henderson  <rth@redhat.com>
1355
1356         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
1357         COMPONENT_REF to pointer arithmetic.
1358         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
1359         constant "c" as a valid constant initializer.  Allow narrowing of
1360         differences against the same base object, for any base object.
1361
1362 2004-08-30  Richard Henderson  <rth@redhat.com>
1363
1364         * expr.c (expand_expr_addr_expr): New.
1365         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
1366
1367 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1368
1369         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
1370         (mips_fp_condition): New enum.
1371         (mips_fp_conditions): New array.
1372         (print_fcc_operand): Delete.
1373         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
1374         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
1375         (builtin_description): Add "cond" field.
1376         (DIRECT_BUILTIN): Initialize it.
1377         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
1378         into INSN and CODE.  Initialize the "cond" field.
1379         (CMP_BUILTINS): Update accordingly.
1380         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
1381         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
1382         mips_fp_condition as argument.  Make it the final operand of the
1383         comparison instruction.
1384         (mips_expand_builtin): Update accordingly.
1385         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
1386         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
1387         the gaps.
1388         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
1389         Don't use the 'Q' operand prefix; just print the operand normally.
1390         (mips_cabs_*, mips_c_*): Delete, replacing with...
1391         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
1392         patterns.  Split the 4s versions into 2 ps patterns after reload.
1393
1394 2004-08-30  Richard Henderson  <rth@redhat.com>
1395
1396         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
1397         assuming an ADDR_EXPR is non-null.
1398
1399 2004-08-30  Jason Merrill  <jason@redhat.com>
1400
1401         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
1402
1403 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1404
1405         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
1406         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
1407         gcc_assert and gcc_unreachable instead of abort.
1408         * alloc-pool.c (abort, fancy_abort): Remove.
1409         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
1410         gcc_assert or gcc_unreachable.
1411         * attribs.c (init_attributes, decl_attributes): Likewise.
1412         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
1413         mark_bb_for_unlikely_executed_section,
1414         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
1415         fix_crossing_unconditional_branches):  Likewise.
1416         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
1417         bitmap_operation):  Likewise.
1418         * bt-load.c (insn_sets_btr_p, augment_live_range,
1419         move_btr_def):  Likewise.
1420         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
1421         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
1422         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
1423         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
1424         expand_builtin_memcmp, expand_builtin_args_info,
1425         std_gimplify_va_arg_expr, expand_builtin_unop,
1426         expand_builtin_fputs, expand_builtin_profile_func,
1427         expand_builtin_fork_or_exec, fold_builtin_bitop,
1428         fold_builtin_classify, fold_builtin_fputs): Likewise.
1429
1430 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1431
1432         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
1433         * gcov.c (abort): Remove undef.
1434
1435         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
1436         (struct tree_binfo): Remove primary field.
1437
1438 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1439
1440         * fixinc/Makefile.in (machname.h): Remove.
1441         (fixincl.x): Do not pass $@ to genfixes.
1442         * fixinc/genfixes: Remove code to produce machname.h.
1443         * fixinc/fixincl.sh: Move it here instead.
1444         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
1445         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
1446         return a bool indicating whether pz_mn_name_pat is NULL.
1447         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
1448         Declare extern C variables for the ENV_TABLE.
1449         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
1450         instead use the result of mn_get_regexps.
1451         * fixinc/fixtests.c: Likewise.
1452
1453 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1454
1455         * configure.ac: Do not run fixincludes after stage1 during
1456         toplevel bootstrap.
1457         * configure: Regenerate.
1458
1459 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1460
1461         * sched-deps.c (get_condition): Partially revert previous, by never
1462         trying to extract the condition from a condjump.
1463
1464 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1465
1466         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
1467         (handle_visibility_attribute, c_determine_visibility): Likewise.
1468         * c-common.h (my_friendly_assert): Remove.
1469
1470 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1471
1472         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
1473         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
1474         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
1475         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
1476         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
1477
1478 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
1479
1480         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
1481         in COMPONENT_REF nodes.
1482
1483 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1484
1485         PR c++/15378
1486         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
1487         global_dc->warning_as_error_requested.
1488         * diagnostic.c (diagnostic_initialize): Tidy.
1489         * diagnostic.h (diagnostic_context::x_data): Remove
1490         (diagnostic_context::issue_warnings_are_errors_message): Rename
1491         from warnings_are_errors_message.
1492         (diagnostic_context::warning_as_error_requested): New.
1493
1494 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1495
1496         * sched-deps.c (get_condition): Fix breakage in previous patch.
1497
1498 2004-08-30  Paul Brook  <paul@codesourcery.com>
1499
1500         * doc/install.texi: Fix broken mpfr link.
1501
1502 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
1503
1504         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
1505         other FreeBSD platforms.
1506
1507 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1508
1509         * arm.h (REVERSE_CONDITION): Define.
1510         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
1511
1512 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1513
1514         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
1515         just the codes, call reversed_comparison_code ().
1516         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
1517         (not_reg_cond): Use reversed_comparison_code.
1518         (and_reg_cond): Likewise.
1519         * ifcvt.c (cond_exec_process_if_block): Likewise.
1520         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
1521
1522 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1523
1524         * sched-deps.c (get_condition): Rewrite using jump support functions.
1525         Use reversed_comparison_code.
1526         (conditions_mutex_p): Use reversed_comparison_code.
1527
1528 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1529
1530         * config/mips/mips.c (override_options): Disable hot/cold partitioning
1531         for MIPS16.
1532
1533 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1534
1535         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
1536         (mips_function_type): Move to mips.c.
1537         * config/mips/mips.c (mips_builtin_type): New enum.
1538         (builtin_description): Replace code and ftype with builtin_type
1539         and function_type.
1540         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
1541         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
1542         (CODE_FOR_mips_abs_ps): Define.
1543         (mips_bdesc): Use new macros.
1544         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
1545         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
1546         (mips_expand_builtin_direct): New function.
1547         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
1548         builtin.  Replace boolean parameter with builtin_type.
1549         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
1550         (mips_expand_4s_compare_builtin): Delete, replacing with...
1551         (mips_expand_builtin_compare): ...this new function.
1552
1553 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1554
1555         PR rtl-optimization/16590
1556         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1557
1558 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1559
1560         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
1561         * tree-ssa-propagate.c: Fix documentation.
1562
1563 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1564
1565         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
1566         (mov[sd]fcc): Likewise.
1567
1568 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1569
1570         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
1571
1572 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1573
1574         * config/mips/mips.md (divide_condition): New mode attribute.
1575         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
1576         (sqrt[sd]f3): Redefine using SCALARF.
1577         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
1578         patterns.
1579
1580 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1581
1582         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
1583         (loadx, storex, fmt, UNITMODE): New mode attributes.
1584         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
1585         (mul[sd]f3): Redefine using :SCALARF.
1586         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
1587         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
1588         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
1589         Check TARGET_FUSED_MADD for V2SF too.
1590         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
1591         were already named.
1592         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
1593         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
1594
1595 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1596
1597         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
1598         V2SF_type_node if it will be needed.
1599
1600 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1601
1602         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
1603         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
1604         (mips_prepare_builtin_target): New function.
1605         (mips_expand_builtin): Use them.  Update calls to subroutines.
1606         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
1607         cmp_choice with a boolean argument to select between movt and movf.
1608         Take the comparison's icode as an argument, not the function's fcode.
1609         (mips_expand_compare_builtin): New function.  Rename existing function
1610         to mips_expand_scalar_compare_builtin.
1611         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
1612         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
1613         comparison's icode as an argument, not the builtin's fcode.
1614
1615 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1616
1617         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
1618         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
1619         registers are false and -1 if all registers are true.
1620         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
1621         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
1622         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
1623         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
1624         (bc1any2t, bc1any2f): Likewise CCV2.
1625         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
1626
1627 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1628
1629         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
1630         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
1631         UNSPEC rather than an IF_THEN_ELSE.
1632         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
1633         mips_cond_move_tf_ps by name.
1634
1635 2004-08-29  Chao-ying Fu  <fu@mips.com>
1636             James E Wilson  <wilson@specifixinc.com>
1637
1638         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
1639         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
1640         * config/mips/mips-ps-3d.md: New file.
1641         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
1642         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
1643         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
1644         (mips_output_move): Emit "mov.ps" for V2SFmode.
1645         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
1646         MODE_VECTOR_FLOAT.
1647         (override_options): Check if TARGET_MIPS3D and there was an explicit
1648         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
1649         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
1650         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
1651         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
1652         and allow CCV2 and CCV4 to occupy two and four CC registers.
1653         (print_fcc_operand): New function.
1654         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
1655         %Z to call print_fcc_operand.
1656         (mips_function_value): Handle MODE_VECTOR_FLOAT.
1657         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
1658         (mips_vector_mode_supported_p): New function.
1659         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
1660         (builtin_description): New struct.
1661         (mips_bdesc): New array of struct builtin_description.
1662         (mips_expand_builtin, mips_init_builtins,
1663         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
1664         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
1665         functions.
1666         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
1667         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
1668         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
1669         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
1670         "-mips3d", and "-mno-mips3d".
1671         (ASM_SPEC): Map -mips3d to -mips3d in gas.
1672         (EXTRA_CONSTRAINT_Y): New macro.
1673         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
1674         multi-letter constraint 'Y'.
1675         (CONSTRAINT_LEN): New macro.
1676         (enum mips_builtins): New for MIPS builtin functions.
1677         (enum mips_function_type): New for the types of MIPS builtin functions.
1678         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
1679         * config/mips/mips.md: New constants for paired single and MIPS-3D
1680         instructions.  Include the new mips-ps-3d.md file.
1681         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
1682         movv2sf_hardfloat_64bit): New named patterns.
1683         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
1684         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
1685         sdxc1_v2sf_di): New unnamed patterns.
1686         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
1687         const_vector support.
1688         (const_0_or_1_operand): New predicate.
1689         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
1690
1691 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1692
1693         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
1694         (tree-ssa-propagate.o): New rule.
1695         (GTFILES): Add tree-ssa-propagate.c.
1696         * tree-flow.h (struct stmt_ann_d): Remove field
1697         in_ccp_worklist.
1698         * tree-ssa-propagate.c: New file.
1699         * tree-ssa-propagate.h: New file.
1700         * tree-ssa-ccp.c: Re-write to use the routines from
1701         tree-ssa-propagate.c.
1702
1703 2004-08-28  Andrew Pinski  <apinski@apple.com>
1704
1705         * tree-ssa-loop.c: Remove extra include of basic-block.h.
1706
1707 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
1708
1709         * c-common.h: Update comments about ObjC/ObjC++ entry points.
1710         (objc_is_reserved_word): New prototype.
1711         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
1712         separate section; these are call-backs.
1713         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
1714         ObjC/ObjC++ "@" keywords.
1715         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
1716         prototypes; they already live in c-common.h.
1717         * stub-objc.c: Update copyright notice.
1718         (objc_is_reserved_word): New stub.
1719
1720 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
1721
1722         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
1723         even when not checking.
1724
1725 2004-08-27  Jason Merrill  <jason@redhat.com>
1726
1727         PR c++/13684
1728         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
1729         (gimple_push_cleanup): Add eh_only parm.
1730         (gimplify_target_expr): Pass it.
1731         * c.opt (-fno-threadsafe-statics): New option.
1732         * c-opts.c (c_common_handle_option): Handle it.
1733         * c-common.h (flag_threadsafe_statics): Declare it.
1734         * c-common.c (flag_threadsafe_statics): Record it.
1735         * doc/invoke.texi: Document it.
1736         * tsystem.h (_GNU_SOURCE): Define.
1737         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
1738         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
1739         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
1740         (__gthread_recursive_mutex_init_function): New fn.
1741         (__gthread_recursive_mutex_lock): New fn.
1742         (__gthread_recursive_mutex_trylock): New fn.
1743         (__gthread_recursive_mutex_unlock): New fn.
1744         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
1745         * gthr-win32.h, gthr-vxworks.h: Likewise.
1746         * gthr.h: Document.
1747
1748 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
1749
1750         * config/rs6000/rs6000.c (rs6000_override_options): Increase
1751         maximum skip to 15.  Set function alignment, jump alignment, and
1752         loop alignment to 16 for processors that form dispatch groups.
1753         (rs6000_rtx_costs): outer_code is used.
1754
1755 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
1756
1757         * stor-layout.c (sizetype_set): Remove.
1758         (set_sizetype): Don't test or set it.
1759
1760         * tree.h (size_int_type): Remove.
1761         * fold-const.c: Do not #include gt-fold-const.h.
1762         (size_htab_hash, size_htab_eq): Remove.
1763         (size_int_kind): Use build_int_cst.
1764         (new_const, size_htab): Remove.
1765         (size_int_type): Remove.
1766         (round_up): Use build_int_cst.
1767         (round_down): Likewise. Remove spurious constant build.
1768
1769 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
1770
1771         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
1772         Add is_release variable, use it for --enable-werror and
1773         --enable-checking defaults.
1774         * system.h (gcc_assert, gcc_unreachable): New.
1775         * doc/install.texi (--enable-checking): Update.
1776         * configure, config.in: Rebuilt.
1777
1778 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
1779
1780         * rtl.h (read_rtx): Change prototype.
1781         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
1782         line number.  Return true on success.
1783         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
1784         callers accordingly.
1785
1786 2004-08-26  Richard Henderson  <rth@redhat.com>
1787
1788         * c-typeck.c (build_offsetof): Remove.
1789         * c-tree.h (build_offsetof): Remove.
1790         * c-common.c (fold_offsetof_1, fold_offsetof): New.
1791         * c-common.h (fold_offsetof): Declare.
1792         * c-parse.in (offsetof_base): New.
1793         (offsetof_member_designator): Use it.  Build references, not just
1794         a tree list.
1795         (primary): Use fold_offsetof, not build_offsetof.
1796
1797 2004-08-26  Richard Henderson  <rth@redhat.com>
1798
1799         * tree.c (staticp): Return the static object.
1800         * tree.h (staticp): Update decl.
1801         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
1802         * langhooks.c (lhd_staticp): Return NULL_TREE.
1803         * langhooks-def.h (lhd_staticp): Update decl.
1804         * c-common.c (c_staticp): Return the static object.
1805         * c-common.h (c_staticp): Update decl.
1806
1807 2004-08-26  Richard Henderson  <rth@redhat.com>
1808
1809         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
1810         modes.
1811
1812 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
1813
1814         PR c/13801
1815         * c-decl.c (struct c_binding): Add type and inner_comp fields.
1816         (bind): Set type and inner_comp fields.
1817         (pop_scope): Restore type of decl to the correct type from an
1818         outer scope.  Give error when popping file scope for incomplete
1819         arrays completed incompatibly with default initialization in an
1820         inner scope.
1821         (diagnose_mismatched_decls): Handle externs with initializers at
1822         block scope.
1823         (pushdecl): Set type of external declaration at block scope based
1824         only on the visible declarations.  Save type when changing the
1825         type of a declaration.  Merge an external declaration at block
1826         scope with a visible static declaration at file scope.
1827         (implicitly_declare): Give recycled old declaration the new type
1828         except for incompatible declarations of built-in functions, saving
1829         the old type.
1830
1831 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
1832
1833         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
1834
1835 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1836
1837         * tree-alias-common.c (gate_pta): New function.
1838         (pass_build_pta): Use it.
1839         (pass_del_pta): Use it.
1840         (delete_alias_vars): Don't check flag_tree_points_to.
1841
1842 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1843
1844         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
1845         TFmode as additional register mode cloberred by call.
1846
1847 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1848
1849         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
1850         parallel pattern for library call returning DImode in
1851         mixed mode.
1852
1853 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1854
1855         * config/rs6000/rs6000.c (function_arg): Generate parallel
1856         pattern for more split args.
1857
1858 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
1859
1860         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
1861         either gen_movdi_di_update or gen_movdi_si_update depending on
1862         target mode.
1863         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
1864         to generate two versions.
1865
1866 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
1867
1868         * Makefile.in (lambda-code.o): New.
1869         (lambda-trans.o): Ditto.
1870         (TREE_DATA_REF_H): Ditto.
1871         (LAMBDA_H): Ditto.
1872         (lambda-mat.o): Use LAMBDA_H.
1873         (tree-data-ref.o): Ditto.
1874         * lambda-code.c: New file.  Lambda code generation algorithm.
1875         * lambda-trans.c: Ditto. Lambda transformation matrix support.
1876         * lambda.h: Add lambda loop structures.
1877         Add lambda loopnest structures.
1878         Add lambda body vector structure.
1879         Add lambda linear expression structures.
1880         Add prototypes for functions in new files.
1881         * lambda-mat.c: Include tree.h
1882
1883 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
1884             Sebastian Pop  <pop@cri.ensmp.fr>
1885
1886         * tree-data-ref.h: Include lambda.h
1887         (free_dependence_relation): Declared here.
1888         (free_dependence_relations): Ditto.
1889         (free_data_refs): Ditto.
1890         * tree-data-ref.c (free_dependence_relation): New function.
1891         (free_dependence_relations): Ditto.
1892         (free_data_refs): Ditot.
1893         (analyze_all_data_dependences): Free datarefs and dependence_relations.
1894         (build_classic_dist_vector): Store in the dependence_relations the
1895         information. Each arc in the dependence_relations graph is labelled
1896         with the distance and direction vectors.
1897         (build_classic_dir_vector): Ditto.
1898         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
1899         Now computes again the whole dependence graph including read-read
1900         relations.
1901         (compute_data_dependences_for_loop): Now dependence_relations contains
1902         all the data, and thus it doesn't need to initialize the classic_dir
1903         and classic_dist vectors.
1904         (analyze_all_data_dependences): Adjusted for using the new interface of
1905         compute_data_dependences_for_loop.  Remove the statistics dump.
1906
1907 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
1908
1909         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
1910         (xtensa_expand_block_move): Update comment.
1911         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
1912
1913 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
1914
1915         PR target/13506
1916         * toplev.c (crash_signal): If we crashed while emitting
1917         a user asm, then die more gracefully.
1918
1919 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
1920
1921         PR target/17119.
1922         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
1923         checking for a valid constant, regardless of sign.
1924
1925 2004-08-25  Richard Henderson  <rth@redhat.com>
1926
1927         PR target/16974
1928         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
1929         if the constant satisfies add_operand.
1930
1931 2004-08-25  Richard Henderson  <rth@redhat.com>
1932
1933         PR debug/10695
1934         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
1935         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
1936         unwind info for >16-bit frames.
1937
1938 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
1939
1940         PR target/17171
1941         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
1942
1943 2004-08-25  Richard Henderson  <rth@redhat.com>
1944
1945         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
1946         (TARGET_CANNOT_FORCE_CONST_MEM): New.
1947
1948 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1949
1950         * doc/tree-ssa.texi: Document new operand iterator.
1951
1952 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
1953
1954         PR target/16480
1955         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
1956         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
1957         as PLUS base regs.
1958
1959 2005-08-28  Paul Brook  <paul@codesourcery.com>
1960
1961         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
1962         -mfpu=vfp -march=armv5t
1963         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
1964
1965 2004-08-25  Richard Henderson  <rth@redhat.com>
1966
1967         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1968         * target.h (struct gcc_target): Add scalar_mode_supported_p.
1969         * targhooks.c (default_scalar_mode_supported_p): New.
1970         * targhooks.h (default_scalar_mode_supported_p): Declare.
1971         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
1972
1973         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
1974         before attempting to create types.  Tidy.
1975         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
1976
1977         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
1978         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1979
1980 2004-08-25  Richard Henderson  <rth@redhat.com>
1981
1982         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
1983         set REAL_MODE_FORMAT for TFmode.
1984
1985 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
1986
1987         * c-decl.c (grokparm): New function.
1988         * c-tree.h (grokparm): New prototype.
1989
1990 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
1991
1992         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
1993         iterator controlling structure.
1994         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
1995         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
1996         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
1997         iterator flags.
1998         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
1999         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
2000         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
2001         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
2002         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
2003         Empty operand pointers.
2004         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
2005         (op_iter_next_use): New.  Return next use_operand_p.
2006         (op_iter_next_def): New.  Return next def_operand_p.
2007         (op_iter_next_tree): New.  Return next operands as a tree.
2008         (op_iter_init): New.  Initialize an iterator structure.
2009         (op_iter_init_use): New.  Initialize structure and get the first use.
2010         (op_iter_init_def): New.  Initialize structure and get the first def.
2011         (op_iter_init_tree): New.  Initialize structure and get the first tree.
2012         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
2013         (op_iter_init_maydef): New.  Initialize structure and get the first
2014         V_MAY_DEF operands.
2015         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
2016         * tree-dfa.c (compute_immediate_uses_for_stmt,
2017         redirect_immediate_uses): Use new operand iterator.
2018         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
2019         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
2020         operands instead of using *_disappeared_p routines.
2021         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
2022         ssa_rewrite_stmt): Use new operand iterator.
2023         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2024         rewrite_trees): Use new operand iterator.
2025         * tree-pretty-print.c (dump_vops): Use new operand iterator.
2026         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
2027         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
2028         dump_points_to_info): Use new operand iterator.
2029         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
2030         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
2031         operand iterator.
2032         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
2033         propagate_necessity): Use new operand iterator.
2034         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
2035         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
2036         a parameter instead of a stmt_ann_t.
2037         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
2038         build_tree_conflict_graph): Use new operand iterator.
2039         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
2040         rewrite_mem_refs): Use new operand iterator.
2041         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
2042         check_loop_closed_ssa_use): Use new operand iterator.
2043         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
2044         * tree-ssanames.c (release_defs): Use new operand iterator.
2045         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
2046
2047 2004-08-25  Adam Nemet  <anemet@lnxw.com>
2048
2049         * tlink.c (initial_cwd): New variable.
2050         (tlink_init): Initialize it.
2051         (recompile_files): Use tlink_execute() instead of system().  Don't
2052         duplicate verbose output of collect_execute.  Restore initial_cwd.
2053         Update comment before the function.
2054
2055 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
2056
2057         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
2058         accept) a cast from one Objective-C pointer type to another.
2059
2060 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
2061
2062         * doc/install.texi: Document that libstdc++-v3 requires
2063         now automake 1.9.1.
2064
2065 2004-08-25  Caroline Tice  <ctice@apple.com>
2066
2067         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
2068         to comments at start of function.
2069         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
2070         comment.
2071         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2072         merge_blocks_move_predecessor_nojumps,
2073         merge_blocks_move_successor_nojumps, merge_blocks_move,
2074         try_crossjump_to_edge, try_crossjump_bb): Likewise.
2075         * cfglayout.c (fixup_reorder_chain): Likewise.
2076         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2077         cfg_layout_can_merge_blocks_p):  Likewise.
2078         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
2079         * passes.c (rest_of_compilation): Update comments for calling
2080         optimization that partitions hot/cold basic blocks.
2081         * doc/invoke.texi:  Update documentation of
2082         freorder-blocks-and-partition flag.
2083
2084 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2085
2086         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
2087         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
2088
2089 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2090
2091         * config/mips/mips.md (any_shift): New code macro.
2092         (optab, insn): New code attributes.
2093         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
2094         Use the standard rather than internal patterns for the MIPS16
2095         double-shift optimization.
2096         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
2097         Redefine using :GPR and any_shift.
2098         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
2099         to cover all three shifts.
2100         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
2101         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
2102         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
2103
2104 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
2105
2106         * gimplify.c (lookup_tmp_var): Separate temporaries when not
2107         optimizing.
2108
2109 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2110
2111         PR libstdc++/17005 (fix for HP-UX 11.11)
2112         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
2113         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
2114         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
2115         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
2116         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
2117         (LINK_SPEC): Handle march=1.0 option.
2118         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2119         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
2120         (SUBTARGET_OPTIONS): New define.
2121         (LINK_SPEC): Handle march=1.0 option.
2122         (STARTFILE_SPEC): New define.
2123         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2124         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
2125         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
2126         (SUBTARGET_OPTIONS): New define.
2127         (LINK_SPEC): Handle march=1.0 option.
2128         (STARTFILE_SPEC): New define.
2129         * config/pa/pa.c (override_options): Add code to process -munix= option.
2130         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
2131         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
2132         defines.
2133         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
2134         (SUBTARGET_OPTIONS): Provide default define.
2135         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
2136         STANDARD_STARTFILE_PREFIX_2): New defines.
2137         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
2138         (ENDFILE_SPEC): Use %O.
2139         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
2140         Mention issue caused by changing namespace and runtime to UNIX 95/98.
2141         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
2142         Document -munix=std option.
2143
2144 2004-08-25  Steven Bosscher  <stevenb@suse.de>
2145
2146         * cse.c (cse_around_loop, cse_check_loop_start,
2147         cse_set_around_loop): Remove.
2148         (cse_basic_block): Remove the around_loop argument.
2149         (cse_end_of_basic_block): Remove the after_loop argument.
2150         (cse_main): Likewise.
2151         * rtl.h (cse_main): Update prototype.
2152         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
2153         rest_of_handle_gcse): Update cse_main calls.
2154
2155 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
2156
2157         * tree.h  (build_int_cst): New, sign extended constant.
2158         (build_int_cstu): New, zero extended constant.
2159         (build_int_cst_wide): Renamed from build_int_cst.
2160         * tree.c (build_int_cst, build_int_cstu): New.
2161         (build_int_cst_wide): Renamed from build_int_cst.
2162         (make_vector_type, build_common_tree_nodes,
2163         build_common_tree_nodes_2): Adjust build_int_cst calls.
2164         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2165         expand_builtin_strpbrk, expand_builtin_fputs,
2166         build_string_literal, expand_builtin_printf,
2167         expand_builtin_sprintf, fold_builtin_classify_type,
2168         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
2169         fold_builtin_toascii, fold_builtin_isdigit,
2170         simplify_builtin_strstr, simplify_builtin_strpbrk,
2171         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
2172         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
2173         DEF_ATTR_INT): Likewise.
2174         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
2175         Likewise.
2176         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2177         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
2178         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2179         * c-typeck.c (really_start_incremental_init, push_init_level,
2180         set_nonincremental_init_from_string): Likewise.
2181         * calls.c (load_register_parameters): Likewise.
2182         convert.c (convert_to_pointer): Likewise.
2183         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2184         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
2185         build_gcov_info): Likewise.
2186         * except.c (init_eh, assign_filter_values): Likewise.
2187         * expmed.c (store_fixed_bit_field, extract_bit_field,
2188         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2189         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2190         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2191         * expr.c (convert_move, emit_group_load, emit_group_store,
2192         expand_assignment, store_constructor, store_field,
2193         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2194         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2195         invert_truthvalue, optimize_bit_field_compare,
2196         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2197         fold_div_compare, fold, fold_read_from_constant_string,
2198         fold_negate_const, fold_abs_const, fold_not_const, round_up,
2199         round_down): Likewise.
2200         * function.c (assign_parm_setup_block): Likewise.
2201         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
2202         Likewise.
2203         * stor-layout.c (layout_type, initialize_sizetypes,
2204         set_min_and_max_values_for_integral_type): Likewise.
2205         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2206         reset_evolution_in_loop): Likewise.
2207         * tree-chrec.h (build_polynomial_chrec): Likewise.
2208         * tree-complex.c (build_replicated_const): Likewise.
2209         * tree-eh.c (honor_protect_cleanup_actions,
2210         lower_try_finally_onedest, lower_try_finally_copy,
2211         lower_try_finally_switch): Likewise.
2212         * tree-mudflap.c (mf_build_string, mx_register_decls,
2213         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2214         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2215         * tree-pretty-print.c (dump_generic_node): Likewise.
2216         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2217         Likewise.
2218         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2219         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2220         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2221         Likewise.
2222         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
2223         canonicalize_loop_induction_variables): Likewise.
2224         * tree-vectorizer.c (vect_create_index_for_array_ref,
2225         vect_transform_loop_bound, vect_compute_data_ref_alignment):
2226         Likewise.
2227
2228         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
2229         alpha_gimplify_va_arg_1): Likewise.
2230         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2231         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2232         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2233         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2234         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2235         mips_gimplify_va_arg_expr): Likewise.
2236         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2237         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2238         add_compiler_branch_island): Likewise.
2239         * config/s390/s390.c (s390_va_start): Likewise.
2240         * config/sh/sh.c (sh_va_start): Likewise.
2241         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2242         Likewise.
2243         * config/xtensa/xtensa.c (xtensa_va_start,
2244         xtensa_gimplify_va_arg_expr): Likewise.
2245
2246         * objc/objc-act.c (build_objc_string_object,
2247         build_objc_symtab_template, init_def_list, init_objc_symtab,
2248         init_module_descriptor, generate_static_references,
2249         build_selector_translation_table, get_proto_encoding,
2250         build_typed_selector_reference, build_selector_reference,
2251         build_next_objc_exception_stuff,
2252         build_method_prototype_list_template, generate_descriptor_table,
2253         generate_protocols, build_protocol_initializer,
2254         build_ivar_list_template, build_method_list_template,
2255         build_ivar_list_initializer, generate_ivars_list,
2256         generate_dispatch_table, generate_protocol_list,
2257         build_category_initializer, build_shared_structure_initializer,
2258         generate_shared_structures, handle_impent,
2259         generate_objc_image_info): Likewise.
2260
2261 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
2262
2263         * cfglayout.c (duplicate_insn_chain): Remove references to
2264         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
2265         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
2266         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
2267         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
2268         and NOTE_INSN_LOOP_CONT.
2269         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
2270         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
2271         and NOTE_INSN_LOOP_CONT.
2272         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
2273         check_dbra_loop, loop_dump_aux): Remove references to removed notes
2274         and fields.
2275         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
2276         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
2277         references to removed notes and fields.
2278         (subtract_reg_term, ujump_to_loop_cont): Remove.
2279
2280 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
2281
2282         * doc/install.texi: Document that libcpp does not require
2283         Automake any longer.  Document that Automake 1.9.1 should
2284         work everywhere.
2285
2286 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2287
2288         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
2289         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
2290         DWARF_DEBUGGING_INFO from choice-of-definition chain;
2291         restructure using C89 features (#elif, #error).
2292         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
2293         * config/sh/sh.h: Remove references to DWARF_DEBUG.
2294         * doc/invoke.texi: Remove references to DWARF version 1;
2295         clarify why -gdwarf-2<n> doesn't work.
2296
2297 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2298
2299         * basic-block.h (BB_SET_PARTITION): Clear old value first.
2300         * cfg.c (clear_bb_flags): Don't clear partition setting.
2301         * ifcvt.c (find_if_case_1): Remove ??? comment.
2302
2303 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
2304
2305         PR target/17052
2306         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
2307         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2308         current_function_stdarg in place of sysv_varargs_p.
2309         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
2310         sysv_varargs_p.
2311
2312 2004-08-24  Richard Henderson  <rth@redhat.com>
2313
2314         PR target/16298
2315         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
2316         random codes within CONST.
2317
2318 2004-08-24  James E Wilson  <wilson@specifixinc.com>
2319
2320         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
2321         -freorder-blocks-and-partition.
2322
2323 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2324
2325         PR middle-end/17044
2326         * tree-ssa-threadupdate.c (redirection_data): Make static.
2327         (thread_block): Use ggc_alloc_cleared to allocate struct
2328         redirection_data.  Don't free elements in redirection_data.
2329
2330 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2331
2332         * config/mips/predicates.md (small_data_pattern): Match prefetches.
2333
2334 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2335
2336         PR tree-optimization/17016
2337         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2338         number_of_iterations_exit): Use POINTER_TYPE_P instead
2339         of testing for POINTER_TYPE.
2340
2341 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2342
2343         * tree-ssa-loop-ivcanon.c: New file.
2344         * tree-ssa-loop-manip.c (create_iv): New function.
2345         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
2346         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
2347         * cfgloop.c (mark_single_exit_loops): New function.
2348         (verify_loop_structure): Verify single-exit loops.
2349         * cfgloop.h (struct loop): Add single_exit field.
2350         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
2351         (mark_single_exit_loops): Declare.
2352         (tree_num_loop_insns): Declare.
2353         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
2354         (duplicate_loop_to_header_edge): Use it.
2355         * common.opt (fivcanon): New flag.
2356         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
2357         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
2358         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
2359         (bsi_insert_on_edge_immediate): New function.
2360         * tree-flow.h (bsi_insert_on_edge_immediate,
2361         canonicalize_induction_variables, tree_unroll_loops_completely,
2362         create_iv): Declare.
2363         * tree-optimize.c (init_tree_optimization_passes): Add
2364         pass_iv_canon and pass_complete_unroll.
2365         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
2366         * tree-scalar-evolution.c (get_loop_exit_condition,
2367         get_exit_conditions_rec, number_of_iterations_in_loop,
2368         scev_initialize): Use single_exit information.
2369         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
2370         missing assumptions.
2371         (loop_niter_by_eval):  Return number of iterations as unsigned
2372         int.
2373         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
2374         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
2375         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
2376         New passes.
2377         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
2378         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
2379         the defining statement is ready.
2380         * tree-vectorizer.c (vect_create_iv_simple): Removed.
2381         (vect_create_index_for_array_ref, vect_transform_loop_bound):
2382         Use create_iv.
2383         (vect_transform_loop_bound): Use single_exit information.
2384         (vect_analyze_loop_form): Cleanup bogus tests.
2385         (vectorize_loops): Do not call flow_loop_scan.
2386         * tree.h (may_negate_without_overflow_p): Declare.
2387         * fold-const.c (may_negate_without_overflow_p): Split out from ...
2388         (negate_expr_p): ... this function.
2389         (tree_expr_nonzero_p): Handle overflowed constants correctly.
2390         * doc/invoke.texi (-fivcanon): Document.
2391         * doc/passes.texi: Document canonical induction variable creation.
2392
2393 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2394
2395         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
2396         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
2397         using the mode of the operand to decide between them.
2398         * config/mips/mips.md (MOVECC): New mode macro.
2399         (ccreg): New mode attribute.
2400         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
2401         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
2402         (mov[sd]icc): Redefine using :GPR.
2403
2404 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2405
2406         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
2407         (mips_prefetch_cookie): New function.
2408         * config/mips/mips.c (print_operand_address): Fix handling of
2409         ADDRESS_CONST_INT.
2410         (mips_emit_prefetch): Delete.
2411         (mips_prefetch_cookie): New function.
2412         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
2413         mode of QImode for the address_operand.  Use mips_prefetch_cookie
2414         to calculate the first "pref" operand.
2415         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
2416         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
2417
2418 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
2419
2420         * arm.md: Include predicates.md.
2421         * predicates.md: New file.
2422         * arm.c (s_register_operand, arm_hard_register_operand)
2423         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
2424         (arm_immediate_operand, arm_neg_immediate_operand)
2425         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
2426         (arm_add_operand, arm_addimm_operand, arm_not_operand)
2427         (offsettable_memory_operand, alignable_memory_operand)
2428         (arm_reload_memory_operand, arm_float_rhs_operand)
2429         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
2430         (index_operand, shiftable_operator, logical_binary_operator)
2431         (shift_operator, equality_operator, arm_comparison_operator)
2432         (minmax_operator, cc_register, dominant_cc_register)
2433         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
2434         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
2435         (const_shift_operand, load_multiple_operation)
2436         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
2437         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
2438         (cirrus_register_operand, cirrus_fp_register)
2439         (cirrus_shift_const): Delete, replaced with equivalents in
2440         predicates.md.
2441         (shift_op): Handle ROTATE.
2442         * arm-protos.h: Delete declarations for above.
2443         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2444         * t-arm (MD_INCLUDES): Add predicates.md.
2445         (s-preds): Depends on MD_INCLUDES.
2446
2447 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2448
2449         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
2450         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
2451         patterns.  Redefine using :GPR.  Give the match_operator a mode.
2452         Use '%2' rather than '%z2' for operand 2.
2453
2454 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2455
2456         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
2457         attribute.
2458
2459 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2460
2461         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
2462         of internal patterns.
2463         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
2464         Redefine using :P.
2465         (tablejump): Use expand_binop to calculate address.  Adjust names
2466         of internal patterns.
2467         (tablejump[sd]i): Renamed from tablejump_internal[12].
2468         Redefine using :P.
2469         (tablejump_mips16[12]): Delete.
2470
2471 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2472
2473         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
2474         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
2475         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
2476         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
2477         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
2478
2479 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2480
2481         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
2482         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
2483         using :GPR.
2484         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
2485         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
2486         (*branch_equality[sd]i_inverted): Likewise
2487         branch_equality{,_di}_inverted.
2488         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
2489         Redefine using :GPR.
2490
2491 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2492
2493         * rtl.def: Reorganize, placing all codes used only in machine
2494         descriptions at the end.
2495
2496         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
2497         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
2498         rtx_name, rtx_format arrays by direct reference to rtl.def,
2499         first undefining GENERATOR_FILE.  Define enum insn_note and
2500         note_insn_name array by direct reference to insn-notes.def.
2501         (adjust_field_rtx_def): Remove local definition of rtx_name.
2502         Use symbolic names for insn notes.
2503         * Makefile.in (gengtype.o): Update dependencies.
2504
2505 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2506
2507         * basic-block.h (struct basic_block_def): Reorder fields to
2508         eliminate interior padding.  Remove 'partition' field.
2509         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
2510         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
2511         (BB_COPY_PARTITION): New macros.
2512         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
2513         Replace all references to the 'partition' field of a basic
2514         block with new macros.
2515
2516         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2517         * final.c (final_scan_insn): Don't handle it.
2518         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
2519         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
2520         * sched-rgn.c (sched_is_disabled_for_current_region_p):
2521         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
2522
2523 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2524
2525         * c-decl.c (c_init_decl_processing): Adjust
2526         build_common_tree_nodes call.
2527         * expmed.c (const_mult_add_overflow_p): Use
2528         build_distinct_type_copy.
2529         * stor-layout.c (early_type_list): Remove.
2530         (layout_type): Don't append to early_type_list.
2531         (initialize_sizetypes): Add signed_p argument.
2532         (set_sizetype): Overwrite the stub type nodes directly.
2533         * tree.c (copy_node_stat): Clear a type's value cache here ...
2534         (build_distinct_type): ... not here.
2535         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
2536         * tree.h (initialize_sizetypes): Add signed_p argument.
2537         (build_common_tree_nodes): Likewise.
2538
2539         * objc/objc-act.c (get_static_reference): Use
2540         build_variant_type_copy.
2541         (get_protocol_reference): Likewise.
2542         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
2543
2544 2004-08-24  Richard Henderson  <rth@redhat.com>
2545             Andrew Pinski  <apinski@apple.com>
2546
2547         * gimplify.c (gimplify_array_ref_to_plus): Delete.
2548         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
2549         for ARRAY_REF.
2550
2551         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
2552         ARRAY_REF also to get to the STRING_CST.
2553
2554 2004-08-24  Paul Brook  <paul@codesourcery.com>
2555
2556         * config/arm/arm.c (arm_override_options): Update error message.
2557         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
2558         TARGET_HARD_FLOAT_ABI.
2559         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
2560         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
2561
2562 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2563
2564         PR target/17093
2565         * config/m32r.md (movsi_sda): Add SI mode specification to
2566         UNSPEC.
2567
2568 2004-08-24  Nick Clifton  <nickc@redhat.com>
2569
2570         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
2571         of seth_add3_operand.
2572
2573 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2574
2575         * Makefile.in (PROTO_OBJS): Add errors.o.
2576         * protoize.c (fancy_abort): Remove.
2577         * mips-tfile.c (fancy_abort): Add parameters.
2578
2579 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
2580
2581         * doc/trouble.texi (C++ misunderstandings): Fix example code.
2582
2583 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
2584
2585         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
2586         (host-default.o): Add dependency on HOOKS_H.
2587         * config/x-linux: Likewise.
2588         * config/x-solaris: Likewise.
2589         * config/i386/x-mingw32: Likewise.
2590         * config/rs6000/x-darwin: Likewise.
2591
2592 2004-08-23  James E Wilson  <wilson@specifixinc.com>
2593
2594         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
2595         DEF_REG_NOTE.
2596
2597 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
2598
2599         PR c/14492
2600         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
2601
2602 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
2603
2604         * cfg.c (check_bb_profile): Fix typos.
2605         * function.c (assign_parm_is_stack_parm): Likewise.
2606         * tree-nested.c: Likewise.
2607
2608 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
2609
2610         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
2611         Remove TYPECODE.
2612         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
2613
2614 2004-08-23  Eric Christopher  <echristo@redhat.com>
2615
2616         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
2617         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
2618         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
2619         * target.h: Ditto.
2620         * hooks.h: Include machmode.h.
2621         (hook_bool_mode_false): Declare.
2622         * hooks.c (hook_bool_mode_false): Define.
2623         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
2624         * stor-layout.c (layout_type): Ditto.
2625         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
2626         Define to target macro.
2627         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
2628         * config/arm/arm.c: Ditto. Use.
2629         * config/arm/arm.h: Ditto.
2630         * config/arm/arm-protos.h: Ditto.
2631         * config/i386/i386.c: Ditto.
2632         * config/i386/i386.h: Ditto.
2633         * config/rs6000/rs6000.c: Ditto.
2634         * config/rs6000/rs6000.h: Ditto.
2635         * config/sh/sh.c: Ditto.
2636         * config/sh/sh.h: Ditto.
2637         * config/sh/sh-protos.h: Ditto.
2638         * config/sh/sh.md: Use.
2639         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
2640         to TARGET_VECTOR_MODE_SUPPORTED_P.
2641
2642 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
2643
2644         * Makefile.in (BUILD_ERRORS): Set to build-errors.
2645         (errors.o): New target for host.
2646         (build-errors.o): New target for build.
2647         (genobjs): Replace errors.o with build-errors.
2648         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
2649         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
2650         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
2651         (fix-header.o): Add errors.h
2652         * collect2.c (fancy_abort): Add parameters.
2653         * collect2.h (fancy_abort): Don't declare.
2654         * errors.h (fancy_abort): Don't declare.
2655         * errors.c: Include either bconfig.h or config.h.
2656         (fancy_abort): Trim filename.
2657         * fix-header.c (v_fatal, fatal): Remove.
2658         (progname): Remove definition.
2659         (main): Set progname here.
2660         * gcc.c (fancy_abort): Add parameters.
2661         * gcc.h (fancy_abort): Remove declaration.
2662         * gcov.c (fancy_abort): Remove.
2663         * rtl.h (fancy_abort): Don't declare.
2664         (abort): Don't define.
2665         * tree.h (fancy_abort): Don't declare.
2666         (abort): Don't define.
2667         * system.h (fancy_abort): Declare.
2668         (abort): Define to fancy_abort.
2669         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
2670
2671         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
2672         (usize_type, ubitsizetype): Remove.
2673         * stor-layout.c (set_sizetype): Don't initialize usizetype,
2674         ubitsizetype.
2675         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
2676
2677         * tree.h (build_distinct_type_copy): New.
2678         (build_type_copy): ... here.  Rename to ...
2679         (build_variant_type_copy): ... here.
2680         * tree.c (build_qualified_type): Rename build_type_copy call.
2681         (build_distinct_type_copy): New, broken out of ...
2682         (build_type_copy): ... here.  Rename to ...
2683         (build_variant_type_copy): ... here.  Use
2684         build_distinct_type_copy.
2685         (build_common_tree_nodes_2): Rename build_type_copy call.
2686         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
2687         call.
2688         (handle_packed_attribute, handle_unused_attribute,
2689         handle_transparanet_union_attribute, handle_aligned_attribute,
2690         handle_deprecated_attribute): Likewise.
2691         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
2692         Likewise.
2693         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
2694         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
2695         build_distinct_type_copy.
2696
2697 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2698
2699         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
2700         attribute.
2701
2702 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2703
2704         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
2705         loads and stores.
2706         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
2707         formerly unnamed patterns.  Redefine using :P for the address.  Remove
2708         explicit length attributes.
2709
2710 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2711
2712         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
2713         New functions.
2714         (single_reachable_address): Use them.
2715         (schedule_sm): Add dump.
2716         (is_call_clobbered_ref): New function.
2717         (determine_lsm_reg): Check whether the reference is call clobbered.
2718         Only work for gimple_reg_type values.
2719
2720 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2721
2722         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
2723         $31 store insns.  Redefine using :GPR.
2724
2725 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2726
2727         * config/mips/mips.md (P): New mode macro.
2728         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
2729         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
2730         Add mode attributes.
2731
2732 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2733
2734         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
2735         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
2736         later constants to cover the gap.
2737         (load, store): New mode attributes.
2738         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
2739         Use new unspec constants.
2740
2741 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2742
2743         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
2744         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
2745         to use register_operand rather than uns_arith_operand as the predicate
2746         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
2747         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
2748         Redefine using :GPR.  Make same predicate change here.  Extend the
2749         commutativity of operands 1 and 2 from the SImode version to the
2750         DImode one.
2751         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
2752         but with no predicate changes.
2753         (*nor[sd]i3): Redefine using :GPR.
2754
2755 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2756
2757         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
2758         noreturn functions.
2759
2760 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2761
2762         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
2763         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
2764         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
2765         rather than "%z2" (with a fake const0_rtx for operand 2).
2766         (ffs[sd]i2): Redefine using :GPR.
2767         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
2768
2769 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2770
2771         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
2772
2773 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2774
2775         * config/mips/mips.md (any_extend): New code macro.
2776         (u, su): New code attributes.
2777         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
2778         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
2779         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
2780         (*{s,u}mul_acc_di): Redefine using any_extend.
2781         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
2782         to reflect real insn names.
2783         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
2784         with an any_extend template.
2785         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
2786         Add '*' to name.
2787
2788 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2789
2790         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
2791         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
2792         (mul[sd]i3_r4000): Redefine using :GPR.
2793         (mulsi3_mult3): Don't check TARGET_MAD separately.
2794         (muldi3_mult3): Moved after mulsi_mult3.
2795
2796 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2797
2798         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
2799         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
2800         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
2801         (TARGET_GAS, TARGET_MIPS_AS): Delete.
2802         (TARGET_GPWORD): Define to true for n32 on IRIX.
2803         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
2804         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
2805         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
2806         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
2807         (MDEBUG_ASM_SPEC): Delete, folding into...
2808         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
2809         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
2810         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
2811         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
2812         to define asm_abi_default_spec.
2813         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
2814         (TARGET_ASM_SELECT_SECTION): Delete.
2815         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
2816         for non-mips16 code, removing previous workaround for SGI assemblers.
2817         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
2818         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
2819         (override_options): Remove !TARGET_GAS and !have_named_sections code.
2820         (print_operand): Fold TARGET_GAS conditionals into asm strings.
2821         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
2822         ASM_STABS_OP and ASM_STABN_OP.
2823         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
2824         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
2825         (mips_output_function_prologue): Remove !TARGET_GAS code.
2826         (mips_select_rtx_section): Remove !have_named_sections code.
2827         (mips_select_section): Delete.
2828         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
2829         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
2830         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
2831         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
2832         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
2833         * config/mips/windiss.h (ASM_SPEC): Likewise.
2834
2835 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2836
2837         * read-rtl.c (map_value, mapping, macro_group): New structures.
2838         (BELLWETHER_CODE): New macro.
2839         (modes, codes, bellwether_codes): New variables.
2840         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
2841         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
2842         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
2843         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
2844         (add_map_value, initialize_macros): New functions.
2845         (def_hash, def_hash_eq_p): Generalize to anything that points to,
2846         or starts with, a char * field.
2847         (find_macro, read_mapping, check_code_macro): New functions.
2848         (read_rtx_1): New, split out from read_rtx.  Handle the new
2849         define_{mode,code}_{macro,attr} constructs.  Use find_macro
2850         to parse the name of a code or mode.  Use BELLWETHER_CODE to
2851         extract the format and to choose a suitable code for rtx_alloc.
2852         Modify recursive invocations to use read_rtx_1.
2853         (read_rtx): Call initialize_macros.  Apply code and mode macros
2854         to the rtx returned by read_rtx_1.  Cache everything after the
2855         first macro expansion for subsequent read_rtx calls.
2856         * doc/md.texi: Document new .md constructs.
2857         * config/mips/mips.md (GPR): New mode macro.
2858         (d, si8_di5): New mode attributes.
2859         (any_cond): New code macro.
2860         (add[sd]i3): Redefine using :GPR.
2861         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
2862         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
2863         previously unnamed MIPS16 patterns.
2864         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
2865         lines.  Don't match (plus (const_int 0) ...).
2866         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
2867         Use a define_split to generate the addition.
2868         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
2869         (subsi3_internal): Delete.
2870         (*subsi3_extended): Renamed from subsi3_internal_2.
2871         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
2872         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
2873         using an any_cond template.
2874
2875 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2876
2877         * read-rtl.c (read_rtx): Tidy use of format_ptr.
2878
2879 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2880
2881         * read-rtl.c (string_obstack): New file-scope variable.
2882         (read_string, read_quoted_string, read_braced_string)
2883         (read_escape): Remove obstack parameter and use string_obstack instead.
2884         (read_rtx): Remove function-local rtl_obstack and initialize
2885         string_obstack instead.  Update call to read_string.
2886
2887 2004-08-22  Andrew Pinski  <apinski@apple.com>
2888
2889         PR c/15262
2890         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
2891         expression is not constant.
2892         (c_finish_return): Do not go through INDIRECT_REF when looking
2893         for the inner expression of an ADDR_EXPR for warning about.
2894
2895 2004-08-22  Richard Henderson  <rth@redhat.com>
2896
2897         PR 17075
2898         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
2899         create new blocks and fall through.
2900         (expand_gimple_basic_block): Update to match.
2901
2902 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
2903
2904         * reload.c (find_reloads_address): Make return value tri-state.
2905         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
2906         (find_reloads): Assume that reloaded addresses match 'o' or
2907         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
2908         returned 1 (not -1).  Omit optional reloads for address operands
2909         only if find_reloads_address returned 1 (not -1).
2910
2911         * config/s390/s390.c (legitimize_reload_address): New function.
2912         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
2913         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
2914         legitimize_reload_address.
2915
2916 2004-08-22  Richard Hendersion  <rth@redhat.com>
2917
2918         * tree.h (SAVE_EXPR_RESOLVED_P): New.
2919         * gimplify.c (gimplify_save_expr): Use it.
2920         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
2921         on the temporary variable.
2922
2923 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
2924
2925         * fold-const.c (rtl_expr_nonnegative_p): Delete.
2926         * tree.h (rtl_expr_nonnegative_p): Remove.
2927
2928 2004-08-22  Steven Bosscher  <stevenb@suse.de>
2929
2930         * config/i386/ppro.md (ppro_complex_insn): Add missing check
2931         for cpu==pentiumpro.
2932
2933         * combine.c (struct reg_stat): Fix comment typo.
2934
2935 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2936
2937         * c-tree.h (c_sizeof_nowarn): Remove.
2938
2939 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2940
2941         * c-decl.c (set_array_declarator_type): Rename to
2942         set_array_declarator_inner.
2943         (build_c_parm, build_attrs_declarator, build_function_declarator):
2944         New functions.
2945         (make_pointer_declarator): Call build_attrs_declarator.
2946         * c-tree.h (set_array_declarator_type): Rename to
2947         set_array_declarator_inner.
2948         (build_c_parm, build_attrs_declarator, build_function_declarator):
2949         New prototypes.
2950         * c-parse.in (after_type_declarator,
2951         parm_declarator_starttypename, parm_declarator_nostarttypename,
2952         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
2953         firstparm): Use these functions
2954
2955 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
2956
2957         * c-decl.c (build_array_declarator, set_array_declarator_type,
2958         start_decl, grokdeclarator, grokparms): Change boolean parameters
2959         to type bool.
2960         * c-tree.h (build_array_declarator, set_array_declarator_type,
2961         start_decl): Update prototypes.
2962         * c-decl.c, c-parse.in: All callers changed.
2963
2964 2004-08-21  Mike Stump  <mrs@apple.com>
2965
2966         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
2967         (darwin_fix_and_continue): Likewise.
2968         (darwin_fix_and_continue_switch): Likewise.
2969         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
2970         (darwin_fix_and_continue): Likewise.
2971         (darwin_fix_and_continue_switch): Likewise.
2972
2973 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
2974
2975         PR  c++/16030
2976         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
2977         Remove, merging into ...
2978         (gen_stdcall_or_fastcall_suffix): New function, returning tree
2979         rather than const char*, and accepting additional parameter.
2980         Don't add suffix to '*'-prefixed symbols or variadic functions.
2981         (i386_pe_encode_section_info): Adjust for call to new function.
2982         Call change_decl_assembler_name.
2983
2984 2004-08-20  Mike Stump  <mrs@apple.com>
2985
2986         * config/darwin.c (machopic_indirect_data_reference): Mark
2987         stubs as defined.
2988         * config/386/386.c (darwin_local_data_pic): Add.
2989         (legitimate_constant_p): Reorder so that PLUS handling runs
2990         before darwin_local_data_pic to match the ordering in
2991         legitimate_pic_address_disp_p and so that MINUS runs after
2992         darwin_local_data_pic as otherwise the darwin_local_data_pic
2993         logic can be skipped, which would be very bad.
2994         (legitimate_pic_address_disp_p): Move from from here to
2995         darwin_local_data_pic so it can be reused.
2996
2997 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
2998
2999         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
3000         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
3001         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
3002         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
3003         (RS6000_ABI_NAME): Define as "linux".
3004         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
3005         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
3006         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
3007         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
3008         * config/rs6000/rs6000.c (dot_symbols): New global var.
3009         (rs6000_output_function_entry): New function, modified for
3010         !DOT_SYMBOLS..
3011         (print_operand <case 'z'>): ..extracted from here.
3012         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
3013         (rs6000_output_function_epilogue): Likewise.
3014         (rs6000_elf_declare_function_name): Likewise.
3015         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
3016         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
3017         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
3018         * configure: Regenerate.
3019         * config.in: Regenerate.
3020
3021 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3022
3023         * reload.c (find_reloads_address): Fix thinko in previous change.
3024
3025         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
3026         a CONST_INT.
3027
3028 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
3029
3030         PR rtl-optimization/17099
3031         * combine.c (force_to_mode): Check if inner_mask has any bits set
3032         outside of GET_MODE (x) instead of op_mode.
3033
3034 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3035
3036         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
3037         fragment.
3038         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
3039         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
3040         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
3041         architecture.
3042         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
3043         configurations.
3044         * config/arm/t-symbian: New file.
3045
3046 2004-08-20  Andrew Pinski  <apinski@apple.com>
3047
3048         * regrename.c (kill_value_regno): ANSIfy.
3049
3050 2004-08-20  Dale Johannesen  <dalej@apple.com>
3051
3052         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
3053
3054 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
3055
3056         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
3057         (kill_value_regno): New function, derived from kill_value.
3058         (kill_value): Update.
3059         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
3060
3061 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
3062
3063         Fix PR tree-optimization/17111
3064         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
3065         of non-value_handles.
3066         (bitmap_set_contains): All constants are in every set.
3067
3068 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3069
3070         * fold-const.c (round_up, round_down): Use build_int_cst.
3071         Optimize common case.
3072
3073 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
3074             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3075
3076         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
3077         one_only_data_section): Rename to som_readonly_data_section,
3078         som_one_only_readonly_data_section and som_one_only_data_section.
3079         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
3080         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
3081         conditional defines.
3082         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
3083         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
3084         string values.
3085         (pa_select_section): Use renamed section functions.
3086         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3087         SOM_READONLY_DATA_SECTION_FUNCTION,
3088         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
3089         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
3090         Define here ...
3091         * config/pa/som.h: ... not here.
3092         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
3093         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
3094         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
3095         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
3096         (READONLY_DATA_SECTION): Use som_readonly_data_section.
3097
3098 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3099
3100         * fold-const.c (int_const_binop): Don't generate non-overflowing
3101         size-types specially.
3102         (fold_convert_const): Likewise.
3103
3104         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
3105         clear cache on copied sizetype.
3106
3107 2004-08-20  Ben Elliston  <bje@au.ibm.com>
3108
3109         * configure.ac: Don't escape apostrophe in --enable-coverage help.
3110         * configure: Regenerate.
3111
3112 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
3113
3114         PR 5620
3115         * gcc.c (struct stat input_stat): Don't define if
3116         HOST_LACKS_INODE_NUMBERS
3117         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
3118         than stat to determine if temp file is same as input file.
3119         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
3120         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
3121
3122 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
3123
3124         * configure.ac (mips*-*-*): Print an error if not using GAS.
3125         * configure: Regenerated.
3126         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
3127         comments about buggy MIPSpro assemblers.
3128         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
3129         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
3130         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
3131         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
3132         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
3133         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
3134         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
3135         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
3136         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
3137         of more general IRIX 6 definitions.
3138         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
3139         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
3140         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
3141         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
3142         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3143         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
3144         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
3145         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
3146         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
3147         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
3148         (LINK_SPEC): Move most of definition to iris.h.
3149         (SUBTARGET_LINK_SPEC): New macro.
3150         (IRIX_STARTFILE_SPEC): Fold into...
3151         (STARTFILE_SPEC): ...here.
3152         (IRIX_ENDFILE_SPEC): Fold into...
3153         (ENDFILE_SPEC): ...here.
3154         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
3155         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
3156         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
3157         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
3158         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
3159         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
3160         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
3161         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3162         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
3163         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
3164         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
3165         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
3166         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
3167         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
3168         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
3169         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
3170         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
3171         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
3172         (TARGET_IRIX6): Define to 1.
3173         (DRIVER_SELF_SPECS): Define.
3174         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
3175         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
3176         (SUBTARGET_LINK_SPEC): New macro.
3177         (IRIX_STARTFILE_SPEC): Fold into...
3178         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
3179         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
3180         (LIB_SPEC, LIBGCC_SPEC): Use them.
3181         (LIB_SPEC): Remove !mabi=* case.
3182         (IRIX_ENDFILE_SPEC): Fold into...
3183         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
3184         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
3185         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
3186         (TARGET_IRIX6): New macro.
3187         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
3188         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
3189         (LABEL_AFTER_LOC): Delete.
3190         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
3191         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
3192         (mips_build_builtin_va_list): Check TARGET_IRIX6.
3193         (override_options): Remove TARGET_SGI_O32_AS-related code.
3194         (irix_output_external_libcall): Make static.
3195         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
3196         LABEL_AFTER_LOC.
3197         (mips_file_start): Tidy guard for ABI sections.  Remove use of
3198         ABICALLS_ASM_OP; use .abicalls instead.
3199         (mips_output_aligned_decl_common, mips_declare_object_name)
3200         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
3201         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
3202         .globl foo .text directives.
3203         (irix_asm_named_section_1, irix_asm_named_section)
3204         (irix_section_align_entry, irix_section_align_htab)
3205         (irix_orig_asm_out_file, irix_section_align_entry_eq)
3206         (irix_section_align_entry_hash, irix_asm_output_align)
3207         (irix_file_start, irix_section_align_1, copy_file_data)
3208         (irix_file_end, irix_section_type_flags): Delete.
3209         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
3210         Use standard section syntax.  Remove protective "jr $31".
3211         (__gcc_fini): Likewise .gcc_fini.
3212         * config/mips/irix-crtn.asm: Adjust sections accordingly.
3213         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
3214         iris5gas.h.
3215         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
3216         from t-irix-gld.
3217         (EXTRA_MULTILIB_PARTS): Define.
3218         * config/mips/t-iris6: Remove bogus comment.
3219         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
3220         * config/mips/iris5gas.h, config/mips/iris5gld.h,
3221         config/mips/iris6gas.h, config/mips/iris6gld.h,
3222         config/mips/t-iris5-as, config/mips/t-iris5-gas
3223         config/mips/t-irix-gld: Delete.
3224         * config/mips/iris.h: New file.
3225         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
3226
3227 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
3228
3229         * postreload.c (reload_cse_move2add): Allow any condjump, but check
3230         that the implicit set isn't clobbered in the jump insn.
3231
3232 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3233
3234         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
3235         * optabs.c (init_optabs): Don't check it.
3236         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
3237         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
3238
3239 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
3240
3241         * config/s390/s390.md (s390_warn_framesize_string)
3242         (s390_warn_dynamic_string, s390_stack_size_string)
3243         (s390_stack_guard_string): New global string variables.
3244         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
3245         (s390_stack_guard): New global variables.
3246         (override_options): Added checks for the new options.
3247         (s390_emit_prologue): Emit stack check and trap code and perform
3248         compile time stack size checking.
3249
3250         * config/s390/s390.h (TARGET_OPTIONS): Added new options
3251         "warn-framesize", "warn-dynamicstack", "stack-size" and
3252         "stack-guard".
3253
3254         * doc/invoke.texi: Added documentation for the new options.
3255
3256 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3257
3258         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
3259         to eliminate warning.
3260         (linear_search_fdes): Declare p as unsigned.
3261         (binary_search_mixed_encoding_fdes): Likewise.
3262         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
3263         to eliminate warning.
3264         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
3265         type cast.
3266
3267 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3268
3269         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
3270         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
3271         instead of one.  Check for strictly legitimate address.
3272         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
3273         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
3274
3275 2004-08-19  Eric Christopher  <echristo@redhat.com>
3276
3277         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
3278         * langhooks.h (unsave_expr_now): Ditto.
3279         * tree.h (unsave_expr_1): Remove prototype.
3280         (lhd_unsave_expr_now): Rename to unsave_expr_now.
3281         * tree-inline.c (unsave_expr_1): Move here
3282         from tree.c. Make static.
3283         (unsave_expr_now): Rename from lhd_unsave_expr_now.
3284         * tree-sra.c: Fix up for rename.
3285         * tree-ssa-copy.c: Ditto.
3286         * tree-eh.c: Ditto.
3287         * tree.c (unsave_expr_1): Move to tree-inline.c.
3288
3289 2004-08-19  Caroline Tice  <ctice@apple.com>
3290
3291         * config/i386/cygming.h (switch_to_section):  Fix typo (change
3292         in_unlikely_text_section to in_unlikely_executed_text).
3293
3294 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
3295
3296         * vec.h (VEC_lower_bound): New macro.
3297
3298 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
3299
3300         PR target/16446
3301         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
3302         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
3303         treat each ABI separately.  Deal with n32/n64 complex float arguments.
3304         (function_arg): Add associated complex handling here.
3305
3306 2004-08-19  Richard Henderson  <rth@redhat.com>
3307
3308         * config/arm/arm.c (arm_gen_load_multiple): Use
3309         adjust_automodify_address.  Take base memory and offset instead
3310         of unchanging/struct/scalar bits.
3311         (arm_gen_store_multiple): Likewise.
3312         (arm_gen_movmemqi): Use adjust_automodify_address.
3313         * config/arm/arm-protos.h: Update decls.
3314         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
3315         (store_multiple): Similarly.
3316
3317 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
3318
3319         * regclass.c (globalize_reg): Update call_really_used_regs.
3320
3321 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
3322
3323         * doc/invoke.texi (integer-share-limit): Document.
3324
3325         * tree.h (TYPE_CACHED_VALUES_P): New.
3326         (TYPE_CACHED_VALUES): New.
3327         (TYPE_ORIG_SIZE_TYPE): Adjust.
3328         * tree.def (INTEGER_CST): Update documentation.
3329         * tree.c: Inlcude params.h.
3330         (build_int_cst): Cache small values.
3331         (build_type_copy): Do not copy the value cache.
3332         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
3333         unneeded zeroing.
3334         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
3335         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
3336         cache.
3337         * fold-const.c (force_fit_type): Copy value when setting
3338         overflows.
3339         (int_const_binop): Likewise.
3340         * stor-layout.c: Include params.h
3341         (set_sizetype): Create values cache.
3342         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
3343         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
3344         * params.h (INTEGER_SHARE_LIMIT): New.
3345         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
3346
3347 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
3348
3349         * gimplify.c (gimplify_minimax_expr): Remove.
3350         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
3351
3352 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
3353
3354         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3355         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
3356
3357 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3358
3359         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
3360
3361 2004-08-18  Andrew Pinski  <apinski@apple.com>
3362
3363         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
3364
3365 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
3366
3367         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
3368         (__aeabi_ul2f): Likewise.
3369
3370 2004-08-18  Richard Henderson  <rth@redhat.com>
3371
3372         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
3373         move to rtl completely.
3374         (struct meminsnbuf, xtensa_emit_block_move): Remove.
3375         (xtensa_find_mode_for_size): Remove.
3376         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
3377         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
3378
3379 2004-08-18  Richard Henderson  <rth@redhat.com>
3380
3381         * config/mcore/mcore.c (mode_from_align): Remove DImode.
3382         (block_move_sequence): Rewrite to use adjust_address.
3383         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
3384         Return boolean indicating success/failure.
3385         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
3386         * config/mcore/mcore.md (movmemsi): Update to match.
3387
3388 2004-08-18  Mike Stump  <mrs@apple.com>
3389
3390         * doc/invoke.texi (-mfix-and-continue): Add support for
3391         fast turn around debugging.
3392         (-ffix-and-continue): Likewise.
3393         (-mindirect-data): Likewise.
3394         (-findirect-data): Likewise.
3395         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
3396         (indirect_data): Likewise.
3397         (machopic_data_defined_p): Likewise.
3398         (machopic_output_indirection): Likewise.
3399         (darwin_encode_section_info): Likewise.
3400         (darwin_fix_and_continue): Likewise.
3401         (darwin_fix_and_continue_switch): Likewise.
3402         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
3403         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
3404         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
3405         (SUBTARGET_OPTIONS): Likewise.
3406         (darwin_fix_and_continue): Likewise.
3407         (darwin_fix_and_continue_switch): Likewise.
3408         (TARGET_FIX_AND_CONTINUE): Likewise.
3409         * config/rs6000.c (rs6000_emit_prologue): Likewise.
3410
3411 2004-08-19  Steven Bosscher  <stevenb@suse.de>
3412
3413         * basic-block.h (struct edge_def): Remove crossing_edge.
3414         (EDGE_CROSSING): New define.
3415         (EDGE_ALL_FLAGS): Update.
3416         * bb-reorder.c (find_traces_1_round, better_edge_p,
3417         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
3418         find_jump_block, fix_crossing_conditional_branches,
3419         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3420         Replace all occurences of crossing_edge with an edge flag check
3421         or set/reset.
3422         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3423         try_crossjump_bb): Likewise.
3424         * cfglayout.c (fixup_reorder_chain): Likewise.
3425         * cfgrtl.c (force_nonfallthru_and_redirect,
3426         commit_one_edge_insertion): Likewise.
3427
3428         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
3429         * tree-flow.h (compute_dominance_frontiers): Move prototype...
3430         * basic-block.h:  ...here.
3431         * tree-cfg.c (compute_dominance_frontiers_1,
3432         compute_dominance_frontiers): Move from here...
3433         * cfganal.c: ...to here.  Include timevar.h.
3434
3435 2004-08-18  James E Wilson  <wilson@specifixinc.com>
3436
3437         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
3438         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
3439
3440         * config/mips/mips.md (type): Add frdiv.
3441         (divsf3+1, divsf3+2): Change type to frdiv.
3442         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
3443         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
3444
3445         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
3446         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
3447         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
3448         * config/mips/5000.md (r5k_fdiv_single): Likewise.
3449         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
3450         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
3451         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
3452         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
3453         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
3454         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
3455         Likewise.
3456         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
3457
3458 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
3459
3460         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
3461         get regression tester working again.
3462
3463 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3464
3465         * insn-notes.def, reg-notes.def: New files.
3466         * rtl.h: Use them to define enum insn_note and enum reg_note.
3467         * rtl.c: Use them to define note_insn_name and reg_note_name.
3468         * Makefile.in (RTL_BASE_H): Update.
3469
3470         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
3471         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
3472
3473 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3474
3475         * arm.c (arm_size_rtx_costs): New function.
3476         (arm_override_options): Use it if optimizing for space.
3477
3478 2004-08-18  Richard Henderson  <rth@redhat.com>
3479
3480         * emit-rtl.c (gen_const_mem): New.
3481         * rtl.h (gen_const_mem): Declare.
3482         * expr.c (do_tablejump): Use it.
3483         * varasm.c (force_const_mem): Likewise.
3484         * config/darwin.c (machopic_indirect_data_reference): Likewise.
3485         (machopic_legitimize_pic_address): Likewise.
3486         * config/arm/arm.c (legitimize_pic_address): Likewise.
3487         * config/i386/i386.c (legitimize_pic_address): Likewise.
3488         (legitimize_tls_address): Likewise.
3489         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3490         * config/ia64/ia64.md (load_fptr): Likewise.
3491         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3492         * config/pa/pa.c (legitimize_pic_address): Likewise.
3493         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3494         (rs6000_emit_move): Likewise.
3495         * config/s390/s390.c (legitimize_pic_address): Likewise.
3496         (legitimize_tls_address): Likewise.
3497         * config/s390/s390.md (casesi): Likewise.
3498         * config/sh/sh.c (sh_reorg): Likewise.
3499         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3500         * config/v850/v850.md (casesi): Likewise.
3501
3502         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
3503         * config/sh/sh.c (prepare_move_operands): Remove incorrect
3504         use of MEM_READONLY_P.
3505
3506 2004-08-18  Steven Bosscher  <stevenb@suse.de>
3507
3508         * Makefile.in (OBJS-common): Add postreload-gcse.c.
3509         Add new postreload-gcse.o.
3510         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
3511         (lookup_as_function, insert, rehash_using_reg, use_related_value,
3512         equiv_constant): Use SAFE_HASH instead of safe_hash.
3513         (exp_equiv_p): Export.  Add for_gcse argument when comparing
3514         for GCSE.
3515         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
3516         find_comparison_args, fold_rtx, cse_insn): Update callers.
3517         (hash_rtx): New function derived from old canon_hash and bits
3518         from gcse.c hash_expr_1.
3519         (canon_hash_string): Rename to hash_rtx_string.
3520         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
3521         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
3522         (cselib_lookup): Update this caller.
3523         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
3524         Make static.
3525         (hash_expr): Call hash_rtx.
3526         (ldst_entry): Likewise.
3527         (expr_equiv_p): Call exp_equiv_p.
3528         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
3529         reg_used_on_edge, reg_set_between_after_reload_p,
3530         reg_used_between_after_reload_p, get_avail_load_store_reg,
3531         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
3532         get_bb_avail_insn, hash_scan_set_after_reload,
3533         compute_hash_table_after_reload,
3534         eliminate_partially_redundant_loads, gcse_after_reload,
3535         get_bb_avail_insn, gcse_after_reload_main): Remove.
3536         * postreload-gcse.c: New file, reincarnating most of the above.
3537         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
3538         (gcse_after_reload_main): Update prototype.
3539         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
3540         * passes.c (rest_of_handle_gcse2): Use it.
3541
3542 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3543
3544         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
3545         (pass_loop_done): Likewise.
3546
3547 2004-08-18  Andrew Pinski  <apinski@apple.com>
3548
3549         * config/rs6000/darwin.md: Delete the altivec patterns which are
3550         handled differently now.
3551         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
3552         (macho_correct_pic_di): Likewise.
3553         (call_indirect_nonlocal_darwin64): Likewise.
3554         Delete the save world/saveFP/saveVec patterns.
3555
3556         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
3557         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3558         * config/rs6000/rs6000.md: Include darwin.md.
3559         (builtin_setjmp_receiver): Add DImode case.
3560         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3561         Darwin bits.
3562
3563 2004-08-18  Matt Austern  <austern@apple.com>
3564
3565         Dead code stripping
3566         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
3567         * darwin.c (darwin_file_end): Mark file as potentially strippable.
3568
3569 2004-08-18  Richard Henderson  <rth@redhat.com>
3570
3571         * alias.c (readonly_fields_p): Remove.
3572         (objects_must_conflict_p): Don't call it.
3573         * tree.h (readonly_fields_p): Remove.
3574         * langhooks.h (struct lang_hooks): Remove honor_readonly.
3575         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
3576
3577 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3578
3579         * tree-dfa.c (add_referenced_var): Only global variables are
3580         call-clobbered.
3581         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
3582         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
3583         all pointers dereferenced if the statement dereferences them.
3584         (create_name_tags): Do not create memory tags for pointers
3585         that have PT_ANYTHING set.
3586         Also check if PT_VARS is not empty before creating a name tag.
3587         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
3588         variables that share the same alias set with a pointer that
3589         may point anywhere.
3590         (add_may_alias): Add FIXME comment to remove clobbering
3591         aliased variables and tags.
3592         (replace_may_alias): Likewise.
3593         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
3594         (merge_pointed_to_info): If the original variable has not
3595         points-to information, call set_pt_anything.
3596         (add_pointed_to_var): Do not prevent adding a pointed-to
3597         variable if the pointers is PT_ANYTHING.
3598         If the variable is a global, set PT_GLOBAL_MEM.
3599         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
3600         pointer type only come in PTR+OFFSET flavours.
3601         Always call merge_pointed_to_info on PHI arguments that are
3602         SSA_NAMEs.
3603         (get_nmt_for): Mark call-clobbered tags whose pointer points
3604         to global memory.
3605         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
3606         values.
3607         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
3608         FLAGS.
3609         (add_stmt_operand): Abort if the caller tried to add a killing
3610         definition for a memory tag.
3611         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
3612         unnecessary checks.
3613
3614 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
3615
3616         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
3617         from call_used_regs.  Update call_really_used_regs.
3618         (CALL_REALLY_USED_REGISTERS): Define.
3619         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
3620         Replace call_used_regs with call_really_used_regs.
3621         (calc_live_regs, sh_media_register_for_return): Likewise.
3622         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
3623         * sh.md (return_media): Likewise.
3624
3625 2004-08-18  Andrew Pinski  <apinski@apple.com>
3626
3627         * config/darwin.c (machopic_legitimize_pic_address): Only set
3628         MEM_READONLY_P in the non TARGET_TOC case.
3629
3630 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3631
3632         * rtl.def (NIL): Delete.
3633         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
3634         Tighten the syntax a little.
3635
3636         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
3637         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
3638         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
3639         * config/i386/predicates.md, config/m32r/m32r.h
3640         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
3641         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
3642         * config/sparc/sparc.h, doc/tm.texi:
3643         Replace all occurrences of NIL with UNKNOWN.
3644
3645 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3646
3647         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
3648         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
3649         sequence inline.  Move drop_through_label code into this
3650         block, being the only place it is used.  Adjust comments.
3651
3652 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
3653
3654         * config/rs6000/altivec.md: Add new patterns for calls to
3655         save_world/rest_world functions.
3656
3657         * config/rs6000/rs6000-protos.h: (save_world_operation,
3658         restore_world_operation) new declarations.
3659
3660         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
3661         field added.
3662         (rs6000_stack_info): Set world_save_p field.
3663         (save_world_operation): New function.
3664         (restore_world_operation): New function.
3665         (compute_save_world_info): New function.
3666         (rs6000_stack_info): Call compute_save_world_info.
3667         (rs6000_emit_prologue): Check for world_save_p and generate
3668         pattern to call save_world for saving all non-volatile and
3669         special registers.
3670         (rs6000_emit_epilogue): Check for world_save_p and generate
3671         pattern to call rest_world to restore saved registers.
3672
3673         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
3674         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
3675         (rs6000_reg_names): New entries added for save_world_operation and
3676         restore_world_operation.
3677
3678 2004-08-18  Caroline Tice  <ctice@apple.com>
3679
3680         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
3681         "-freorder-blocks-and-partition" to the flags used in second
3682         stage of profiledbootstrap.
3683         * bb-reorder.c (push_to_next_round_p): Add new variable,
3684         next_round_is_last; set and use variable to make sure, when
3685         partitioning, that the last trace construction round consists
3686         of all (and only) cold basic blocks.
3687         (rotate_loop): Don't copy blocks that end in a section
3688         crossing jump.
3689         (copy_bb): Correctly initialize "partition" of duplicated bb.
3690         (add_unlikely_executed_notes): Add a comment.
3691         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
3692         to make sure, if function contains hot blocks, that the
3693         successors of ENTRY_BLOCK_PTR are hot; also, only look for
3694         crossing edges if the architecture supports named sections.
3695         (mark_bb_for_unlikely_executed_section): Modify to always
3696         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
3697         the basic block note insn.
3698         (fix_crossing_unconditional_branches): Remove extra space.
3699         (fix_edges_for_rarely_executed_code): Modify to only do
3700         partitioning work if the architecture supports named sections.
3701         (reorder_basic_blocks): Modify to only add
3702         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
3703         supports named sections.
3704         * c-common.c (handle_section_attribute): Initialize new global
3705         variable, user_defined_section_attribute, to true if user has
3706         specified one.
3707         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
3708         forward edges that cross section boundaries.
3709         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
3710         partitioning information if the architecture supports named
3711         sections.
3712         * cfgrtl.c (target.h): Add statement to include this.
3713         (rtl_split_block): Make sure newly created bb gets correct
3714         partition.
3715         (try_redirect_by_replacing_jump): Make sure redirection isn't
3716         attempting to cross section boundaries.
3717         (force_nonfallthru_and_redirect): Only do partition fix up if
3718         architecture supports named sections.
3719         (rtl_split_edge): Make sure newly created bb ends up in
3720         correct partition.
3721         (commit_one_edge_insertion): Remove code that incorrectly
3722         updated basic block partition; Make sure partition fix up only
3723         happens if architecture supports named sections and it's not
3724         already done.
3725         (rtl_verify_flow_info_1): Fix if-condition on test/error
3726         condition that fallthru edges are not allowed to cross section
3727         boundaries.
3728         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
3729         * final.c (final_scan_insn): Remove redundant test from if-statement;
3730         change calls to text_section into calls to function_section; add code
3731         to only to partitioning fix up if architecture supports named
3732         sections.
3733         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
3734         partition.
3735         (if_convert): Add targetm.have_named_sections to test.
3736         * output.h (unlikely_section_label): Extern declaration for new global
3737         variable.
3738         (unlikely_text_section_name): Likewise.
3739         * opts.c (decode_options): If both partitioning and DWARF debugging
3740         are turned on, issue a warning that this doesn't work, and change
3741         partitiong to basic block reordering (without hot/cold partitions).
3742         * passes.c (rest_of_handle_final): Re-set new global variable,
3743         user_defined_section_attribute, to false.
3744         (rest_of_compilation): Change options for calling partitioning
3745         function: Don't call if the user defined the section attribute, and
3746         don't call if DECL_ONE_ONLY is true for the current function.
3747         * predict.c (choose_function_section): Return immediately if we
3748         are doing hot/cold partitioning (i.e. let the basic block partitioning
3749         determine where the function belongs).
3750         * reg-stack.c (emit_swap_insn): Add condition to step over
3751         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
3752         * toplev.c (user_defined_section_attribute): New global variable.
3753         * toplev.h (user_defined_section_attribute): Extern declaration
3754         for new global variable.
3755         * varasm.c (unlikely_section_label): New global variable.
3756         (unlikely_text_section_name): New global variable.
3757         (unlikely_text_section): Add code to initialize
3758         unlikely_text_section_name if necessary; modify to use
3759         unlikely_text_section_name and unlikely_section_label; also to use
3760         named_section properly.
3761         (in_unlikely_text_section):  Modify to work correctly with
3762         named_section and to use unlikely_text_section_name.
3763         (named_section):  Add code to work properly with cold section.
3764         (function_section): Clean up if-statement.
3765         * config/darwin.c (darwin_asm_named_section): Return to original
3766         code, removing use of SECTION_FORMAT_STRING.
3767         * config/arm/pe.h (switch_to_section):  Add case for
3768         in_unlikely_executed_text to switch statement.
3769         * config/i386/cygming.h (switch_to_section): Likewise.
3770         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
3771         (SECTION_FORMAT_STRING): Likewise.
3772         * config/mcore/mcore.h (switch_to_section): Likewise.
3773         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
3774         (SECTION_FORMAT_STRING): Remove.
3775
3776 2004-08-18  Roger Sayle  <roger@eyesopen.com>
3777
3778         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
3779         -ffixed-reg safe, by preserving the meanings of zero and one.
3780         (CALL_USED_REGISTERS): Likewise.
3781         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
3782
3783 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3784
3785         * config/sh/sh.c (split_branches): Check the result of
3786         next_active_insn.
3787         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
3788         Call rtl_register_cfg_hooks.
3789
3790 2004-08-18  Richard Henderson  <rth@redhat.com>
3791
3792         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3793         * alias.c (true_dependence): Update to match new semantics.
3794         (canon_true_dependence, write_dependence_p): Likewise.
3795         (anti_dependence, output_dependence): Update write_dependence_p args.
3796         (unchanging_anti_dependence): Remove.
3797         * calls.c (purge_mem_unchanging_flag): Remove.
3798         (fixup_tail_calls): Don't call it.
3799         (expand_call): Don't add unchanging memory to function usage.
3800         * expr.c (emit_block_move_via_libcall): Likewise.
3801         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
3802         (get_subtarget): Don't use RTX_UNCHANGING_P.
3803         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
3804         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
3805         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
3806         * cse.c (insert): Don't use RTX_UNCHANGING_P.
3807         (cse_insn, canon_hash): Use MEM_READONLY_P.
3808         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
3809         instead of RTX_UNCHANGING_P.
3810         * explow.c (maybe_set_unchanging): Remove.
3811         * expr.h (maybe_set_unchanging): Remove.
3812         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
3813         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
3814         (assign_parm_setup_reg, expand_function_start): Likewise.
3815         * integrate.c (copy_rtx_and_substitute): Likewise.
3816         * ra-rewrite.c (emit_colors): Likewise.
3817         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
3818         (fixup_match_1): Likewise.
3819         * reload1.c (reload, alter_reg): Likewise.
3820         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
3821         not RTX_UNCHANGING_P.
3822         (equiv_init_varies_p): Likewise.
3823         * loop-invariant.c (check_maybe_invariant): Likewise.
3824         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
3825         * loop.c (note_addr_stored): Likewise.
3826         (prescan_loop): Likewise. Don't check function usage for clobbered
3827         unchanging memory.
3828         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
3829         not RTX_UNCHANGING_P.
3830         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
3831         * varasm.c (force_const_mem): Likewise.
3832         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
3833         * web.c (entry_register): Likewise.
3834         * tree-gimple.h (get_base_address): Move decl ...
3835         * tree.h: ... here.
3836         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
3837
3838         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
3839         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
3840         (alpha_set_memflags): Update to match.
3841
3842         * config/darwin.c (machopic_indirect_data_reference): Set
3843         MEM_READONLY_P instead of RTX_UNCHANGING_P.
3844         (machopic_indirect_call_target): Likewise.
3845         (machopic_legitimize_pic_address): Likewise.
3846         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
3847         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
3848         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
3849         * config/frv/frv.md (symGOT2reg): Likewise.
3850         * config/i386/i386.c (legitimize_pic_address,
3851         legitimize_tls_address, ix86_split_to_parts): Likewise.
3852         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3853         * config/ia64/ia64.md (load_fptr): Likewise.
3854         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3855         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
3856         * config/mcore/mcore.c (block_move_sequence): Likewise.
3857         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
3858         * config/pa/pa.c (legitimize_pic_address): Likewise.
3859         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3860         (rs6000_emit_move): Likewise.
3861         * config/s390/s390.c (legitimize_pic_address): Likewise.
3862         (legitimize_tls_address): Likewise.
3863         * config/s390/s390.md (casesi): Likewise.
3864         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
3865         * config/sh/sh.md (symGOT2reg): Likewise.
3866         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3867         * config/v850/v850.md (casesi): Likewise.
3868
3869         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
3870         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
3871         * config/mips/mips.c (mips_restore_gp): Likewise.
3872         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
3873         * config/sh/sh.c (sh_reorg): Likewise.
3874
3875 2004-08-18  Richard Henderson  <rth@redhat.com>
3876
3877         * tree.h (struct tree_decl): Add gimple_formal_temp.
3878         (DECL_GIMPLE_FORMAL_TEMP_P): New.
3879         * gimplify.c (pop_gimplify_context): Clear it.
3880         (lookup_tmp_var): Set it, if is_formal.
3881         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
3882         Use is_gimple_val for VECTOR.  Simplify return value.
3883         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
3884         (gimplify_expr): Likewise.
3885         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
3886         is_gimple_tmp_rhs for clarity.  Update all callers.
3887         (is_gimple_reg_rhs): Simplify logic.
3888         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
3889         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
3890         (is_gimple_formal_tmp_reg): Similarly.
3891         * tree-gimple.h: Update decls.
3892         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
3893         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
3894         * tree-ssa-live.c (var_union, type_var_init): Likewise.
3895
3896 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
3897
3898         * c4x.c (legitimize_operands): Remove calls to
3899         preserve_subexpressions_p.
3900
3901 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
3902
3903         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
3904         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
3905
3906 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
3907
3908         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
3909         Objective-C++ extensions.
3910         * gengtype.c (get_file_basename): Match entire subdirectory name
3911         ('cp', 'objc', 'objcp') rather than just its suffix.
3912         (get_base_file_bitmap): Allow for files to belong to more than one
3913         language.
3914         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
3915         used by more than one front-end.
3916
3917 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3918
3919         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
3920         avoid use of preserve_subexpressions_p.
3921
3922 2004-08-17  Richard Henderson  <rth@redhat.com>
3923
3924         PR 17051
3925         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
3926
3927 2004-08-17  DJ Delorie  <dj@redhat.com>
3928
3929         * doc/extend.texi: Document new xstormy16 attribute.
3930
3931         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
3932         (xstormy16_splittable_below100_or_register): New.
3933         (combine_bnp): New.
3934         (xstormy16_reorg): New.
3935         (TARGET_MACHINE_DEPENDENT_REORG): Define.
3936
3937         * config/stormy16/stormy16.md (movqi_internal): Make name public.
3938         (movhi_internal): Likewise.
3939         (cbhranchhi): Likewise.
3940         (cbhranchhi_neg): Likewise.
3941         (andhi3): Only allow splittable below100 operands.
3942         (iorhi3): Likewise.
3943         (peephole2): New and/zero_extend->and peephole.
3944         (peephole2): New load/ior/save->set1 peephole.
3945         (peephole2): New load/and/save->clr1 peephole.
3946         (bclrx, bclrx2, bclr7, bclr15): New.
3947         (bsetx, bsetx2, bset7, bset15): New.
3948
3949         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
3950         liberal about acceptable 'B' masks.
3951
3952         * config/stormy16/stormy16-protos.h
3953         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3954         xstormy16_below100_operand, xstormy16_below100_or_register,
3955         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3956         (PREDICATE_CODES): Add new predicates.
3957
3958         * config/stormy16/stormy16.c
3959         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
3960         xstormy16_below100_operand, xstormy16_below100_or_register,
3961         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
3962         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
3963         (xstormy16_legitimate_address_p): Allow below100 symbols.
3964         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
3965         (xstormy16_expand_move): Leave below100 operands as-is.
3966         (xstormy16_encode_section_info): Encode below100 symbols.
3967         (xstormy16_strip_name_encoding): New.
3968         (xstormy16_print_operand): Print 'b' as shift mask.
3969         (xstormy16_attribute_table): Add below100 attributes.
3970         (xstormy16_handle_below100_attribute): New.
3971
3972         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
3973         (XSTORMY16_SECTION_FUNCTION): New.
3974         (EXTRA_SECTION_FUNCTIONS): Define using the above.
3975         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
3976         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
3977         (ASM_OUTPUT_LABELREF): Define.
3978
3979         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
3980         (movhi_internal): Add below100 support.
3981         (andhi3): Add below100 support.
3982         (iorhi3): Add below100 support.
3983         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
3984
3985 2004-08-17  James E Wilson  <wilson@specifixinc.com>
3986
3987         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
3988         of VOIDmode for comparison code mode.
3989         * config/mips/mips.md: For conditional move patterns, use mode of
3990         first compare operand for comparison mode, instead of VOIDmode.
3991
3992         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
3993         normal and -ffast-math code.
3994
3995 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
3996
3997         PR c++/15871
3998         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
3999
4000 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
4001
4002         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
4003
4004 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
4005
4006         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
4007         for non Darwin targets.
4008         (*call_value_nonlocal_darwin64): Likewise.
4009
4010 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
4011
4012         * config/rs6000/rs6000.c (rs6000_function_value): Check for
4013         altivec mode for altivec return register.
4014
4015 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
4016
4017         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
4018         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4019         * config/rs6000/rs6000.md: Include darwin.md.
4020         (builtin_setjmp_receiver): Add DImode case.
4021         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
4022         Darwin bits.
4023
4024 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
4025
4026         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
4027         trees.
4028         * tree-vectorizer.h: New File: Same.
4029         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
4030         * common.opt (ftree-vectorize): New flag to enable vectorization.
4031         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
4032         vectorization pass.
4033         * tree-data-ref.h (init_data_ref): Additional argument.
4034         (array_base_name_differ_p): Moved to tree-data-ref.c.
4035         * tree-data-ref.c (array_base_name_differ_p): Revised.
4036         (initialize_data_dependence_relation): Call array_base_name_differ_p
4037         with an extra argument.
4038         (analyze_all_data_dependences): Same.
4039         (init_data_ref): Additional argument is_read to set DR_IS_READ.
4040         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
4041         file.
4042         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
4043         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
4044         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
4045         vectorization pass.
4046         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
4047         (tree_ssa_loop_done): Call scev_finalize.
4048         (tree_vectorize): Define the new vectorization pass.
4049         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
4050         size of the vector they support (until support for multiple vector
4051         sizes is added to the vectorizer).
4052         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
4053         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
4054         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
4055         documentation.
4056
4057 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
4058
4059         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
4060         usage.
4061         (generate_protocol_list, handle_impent): Likewise.
4062
4063 2004-08-17  Roger Sayle  <roger@eyesopen.com>
4064
4065         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
4066         ensure that call_used_regs is a superset of both fixed_regs and
4067         call_really_used_regs.
4068
4069 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
4070
4071         PR target/17019
4072         * arm.md (addsi3_cbranch_scratch): Correct case labels.
4073
4074 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4075
4076         PR middle-end/17036
4077         * fold-const.c (fold): Check for integer operand when
4078         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
4079         Pinski  <pinskia@physics.uc.edu>.
4080
4081 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4082
4083         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
4084         No need to check if in a cross configuration.
4085         * configure: Regenerate.
4086
4087         * calls.c (precompute_register_parameters):
4088         Inline preserve_subexpressions_p ().
4089         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
4090         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
4091         Likewise.
4092         * expr.c (get_subtarget): Likewise.
4093         * rtl.h (preserve_subexpressions_p): Remove.
4094         * stmt.c (preserve_subexpressions_p): Remove.
4095
4096         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
4097         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
4098         Abort on gimplified cases.
4099
4100 2004-08-16  James E Wilson  <wilson@specifixinc.com>
4101
4102         * tree.h (VECTOR_FLOAT_TYPE_P): New.
4103         (FLOAT_TYPE_P): Use it.
4104         * c-typeck.c (build_binary_op): After convert calls, check for
4105         check for ERROR_MARK operands.
4106
4107 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
4108
4109         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
4110         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
4111         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
4112         (genobjs static pattern rule): Remove %.c dependency.
4113         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
4114         Rename rules; delete commands; fix dependencies.
4115         (mostlyclean): Do not delete temporary source copies.
4116         * configure.ac: Delete all references to BUILD_PREFIX and
4117         BUILD_PREFIX_1.
4118         * configure: Regenerate.
4119
4120         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
4121         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
4122         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
4123         with #ifndef GENERATOR_FILE so that nothing from those headers
4124         is used.
4125
4126         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
4127
4128 2004-08-16  Adam Nemet  <anemet@lnxw.com>
4129
4130         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
4131
4132 2004-08-16  Andrew Pinski  <apinski@apple.com>
4133
4134         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
4135         extraneous semicolon.
4136
4137 2004-08-16  Devang Patel  <dpatel@apple.com>
4138
4139         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
4140         * print-tree.c (print_node): Print DECL_PRESERVE_P.
4141         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
4142         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
4143         * target.h (struct gcc_target): New member, mark_decl_preserved.
4144         * hooks.c (hook_void_charptr): Rename to ...
4145         (hook_void_constcharptr): ... new name.
4146         * hooks.h (hook_void_charptr): Rename to ..
4147         (hook_void_constcharptr): ... new name.
4148         * tree.h (DECL_PRESERVE_P): New #define.
4149         (struct tree_decl): New member, preserve_flag.
4150         * varasm.c (assemble_start_function): Mark decl preserved.
4151         (assemble_variable): Same.
4152         * darwin.c (darwin_mark_decl_preserved): New function.
4153         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
4154         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
4155         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
4156
4157 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
4158
4159         * c-decl.c (grokdeclarator): Allow for function definition where
4160         innermost declarator has attributes.
4161
4162 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
4163
4164         * except.c (get_exception_filter, build_post_landing_pads,
4165         dw2_build_landing_pads): Use target-specific mode for 'filter'.
4166         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
4167         * target.h (eh_return_filter_mode): New field added.
4168         * targhooks.c (default_eh_return_filter_mode): Defined.
4169         * targhooks.h (default_eh_return_filter_mode): Declared.
4170         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
4171
4172 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4173
4174         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
4175         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
4176         * configure: Regenerate.
4177
4178 2004-08-16  Stan Shebs  <shebs@apple.com>
4179
4180         Basic support for 64-bit Darwin.
4181         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4182         (machopic_legitimize_pic_address): Similarly, plus use Pmode
4183         instead of SImode.
4184         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
4185         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
4186         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
4187         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
4188         (PROCESSOR_DEFAULT64): Define.
4189         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
4190         Darwin.
4191         * config/rs6000/rs6000.md: Include darwin.md.
4192         (builtin_setjmp_receiver): Add DImode case.
4193         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
4194         Darwin.
4195         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
4196         (rs6000_emit_move): Add DImode case to Darwin bits.
4197         (machopic_output_stub): Use .quad if 64-bit.
4198         * invoke.texi: Document -m32 and -m64.
4199
4200 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
4201
4202         * doc/extend.texi (AltiVec builtins): Document additional differences
4203         from the Motorola AltiVec PIM.
4204
4205 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4206
4207         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
4208         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
4209         (struct tree_common): Update public_flag documentation.
4210
4211 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4212
4213         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
4214         Check for artificial variables, not is_gimple_tmp_var.
4215         * tree-ssa-live.c (var_union): Likewise.
4216
4217 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4218
4219         * calls.c (load_register_parameters): Remove spurious FIXME token.
4220
4221 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
4222
4223         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
4224         (c-lang.o): Depend on c-objc-common.h.
4225         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
4226         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
4227         * c-lang.c: Include c-objc-common.h.
4228         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
4229         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
4230         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
4231         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
4232         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
4233         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
4234         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
4235         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
4236         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
4237         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
4238         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
4239         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
4240         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
4241         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
4242         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
4243         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
4244         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
4245         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
4246         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
4247         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
4248         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
4249         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
4250         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
4251         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
4252         Move to c-objc-common.h.
4253         * c-objc-common.c: Include c-objc-common.h.
4254         * c-objc-common.h: New file.
4255
4256 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
4257             Andrew Pinski  <pinskia@physics.uc.edu>
4258
4259         PR target/14931
4260         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
4261         style.
4262
4263 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
4264
4265         * tree.h (build_int_cst): New.
4266         (build_int_2): Remove.
4267         * tree.c (build_int_2): Remove.
4268         (build_int_cst): New.
4269         (make_vector_type, build_common_tree_nodes,
4270         build_common_tree_nodes_2): Use build_int_cst.
4271         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
4272         expand_builtin_strpbrk, expand_builtin_fputs,
4273         build_string_literal, expand_builtin_printf,
4274         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
4275         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
4276         fold_builtin_isdigit, simplify_builtin_strstr,
4277         simplify_builtin_strpbrk, fold_builtin_fputs,
4278         simplify_builtin_sprintf): Use build_int_cst.
4279         * c-common.c (start_fname_decls, fix_string_type,
4280         c_common_nodes_and_builtins, c_init_attributes,
4281         shorten_compare): Likewise.
4282         * c-decl.c (complete_array_type,
4283         check_bitfield_type_and_width): Likewise.
4284         * c-lex.c (interpret_integer, lex_charconst): Likewise.
4285         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
4286         * c-pretty-print.c (pp_c_integer_constant): Likewise.
4287         * c-typeck.c (really_start_incremental_init, push_init_level,
4288         set_nonincremental_init_from_string): Likewise.
4289         * calls.c (load_register_parameters): Likewise.
4290         * convert.c (convert_to_pointer): Likewise.
4291         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
4292         build_fn_info_type, build_ctr_info_value, build_gcov_info):
4293         Likewise.
4294         * except.c (init_eh, assign_filter_values, assign_filter_values):
4295         Likewise.
4296         * expmed.c (store_fixed_bit_field, extract_bit_field,
4297         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
4298         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
4299         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
4300         * expr.c (convert_move, emit_group_load, emit_group_store,
4301         expand_assignment, store_constructor, store_field,
4302         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
4303         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
4304         invert_truthvalue, optimize_bit_field_compare,
4305         decode_field_reference, all_ones_mask_p, constant_boolean_node,
4306         fold_div_compare, fold, fold_read_from_constant_string,
4307         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
4308         * function.c (assign_parm_setup_block): Likewise.
4309         * stmt.c (shift_return_value, expand_end_case_type,
4310         estimate_case_costs): Likewise.
4311         * stor-layout.c (layout_type, initialize_sizetypes,
4312         set_min_and_max_values_for_integral_type): Likewise.
4313         * tree-chrec.c (chrec_fold_multiply_poly_poly,
4314         reset_evolution_in_loop): Likewise.
4315         * tree-chrec.h (build_polynomial_chrec): Likewise.
4316         * tree-complex.c (build_replicated_const): Likewise.
4317         * tree-eh.c (honor_protect_cleanup_actions,
4318         lower_try_finally_onedest, lower_try_finally_copy,
4319         lower_try_finally_switch): Likewise.
4320         * tree-mudflap.c (mf_build_string, mx_register_decls,
4321         mudflap_register_call, mudflap_enqueue_constant): Likewise.
4322         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
4323         * tree-pretty-print.c (dump_generic_node): Likewise.
4324         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
4325         Likewise.
4326         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
4327         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4328         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
4329         Likewise.
4330
4331         * config/alpha/alpha.c (alpha_initialize_trampoline,
4332         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
4333         * config/arm/arm.c (arm_get_cookie_size): Likewise.
4334         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4335         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
4336         * config/i860/i860.c (i860_va_start): Likewise.
4337         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
4338         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
4339         mips_gimplify_va_arg_expr): Likewise.
4340         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4341         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
4342         add_compiler_branch_island): Likewise.
4343         * config/s390/s390.c (s390_va_start): Likewise.
4344         * config/sh/sh.c (sh_va_start): Likewise.
4345         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
4346         Likewise.
4347         * config/xtensa/xtensa.c (xtensa_va_start,
4348         xtensa_gimplify_va_arg_expr): Likewise.
4349
4350         * objc/objc-act.c (build_objc_string_object,
4351         build_objc_symtab_template, init_def_list, init_objc_symtab,
4352         init_module_descriptor, generate_static_references,
4353         build_selector_translation_table, get_proto_encoding,
4354         build_typed_selector_reference, build_selector_reference,
4355         build_next_objc_exception_stuff,
4356         build_method_prototype_list_template, generate_descriptor_table,
4357         generate_protocols, build_protocol_initializer,
4358         build_ivar_list_template, build_method_list_template,
4359         build_ivar_list_initializer, generate_ivars_list,
4360         generate_dispatch_table, generate_protocol_list,
4361         build_category_initializer, build_shared_structure_initializer,
4362         generate_shared_structures, handle_impent,
4363         generate_objc_image_info): Use build_int_cst.
4364
4365 2004-08-15  Ben Elliston  <bje@au.ibm.com>
4366
4367         * vec.h: Comment improvements.
4368
4369 2004-08-14  Roger Sayle  <roger@eyesopen.com>
4370
4371         * c-common.c (shorten_compare, pointer_int_sum,
4372         c_common_truthvalue_conversion, boolean_increment): Replace calls
4373         to build with calls to buildN.
4374         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
4375         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
4376         gimplify_switch_stmt): Likewise.
4377         * c-typeck.c (default_function_array_conversion,
4378         build_component_ref, build_array_ref, build_function_call,
4379         pointer_diff, build_unary_op, build_conditional_expr,
4380         build_compound_expr, build_modify_expr, c_finish_goto_label,
4381         c_finish_goto_ptr, c_finish_return, c_finish_loop,
4382         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
4383         build_binary_op): Likewise.
4384
4385 2004-08-15  Steven Bosscher  <stevenb@suse.de>
4386
4387         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
4388
4389 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4390
4391         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
4392         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
4393         * fixinc/fixincl.x: Rebuilt.
4394
4395 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
4396
4397         * config/mips/mips-protos.h (mips_symbolic_constant_p)
4398         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
4399         (mips_small_data_pattern_p): Declare.
4400         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
4401         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
4402         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
4403         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
4404         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
4405         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
4406         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
4407         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
4408         (pc_or_label_operand, call_insn_operand, move_operand)
4409         (consttable_operand, symbolic_operand, general_symbolic_operand)
4410         (global_got_operand, local_got_operand, stack_operand)
4411         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
4412         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
4413         (mips_small_data_pattern_p): Replace previous small_data_pattern
4414         predicate.  Turn into a bool () (rtx) function.
4415         * config/mips/predicates.md: New file.
4416         * config/mips/mips.md: Include it.  Use the target-independent
4417         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
4418         trap_comparison_operator and equality_op to equality_operator.
4419         Replace uses of small_int with the equivalent const_arith_operand.
4420         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
4421         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
4422         to fcc_reload_operand.
4423         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
4424
4425 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4426
4427         PR libstdc++/17005 partial fix.
4428         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
4429         except when generating ANSI/C89 code.
4430
4431 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
4432
4433         * c-common.c (shorten_compare): Use force_fit_type directly.
4434
4435 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
4436             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
4437             Dave Korn  <dk@artimi.com>
4438
4439         * doc/install.texi (Building): Avoid duplicate reference to GNU
4440         make requirement.
4441         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
4442
4443 2004-08-14  Richard Henderson  <rth@redhat.com>
4444
4445         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
4446         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
4447
4448 2004-08-13  Richard Henderson  <rth@redhat.com>
4449
4450         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
4451         for constant_call_address_operand.
4452         (call_value_pop_1, call_value_1): Likewise.
4453         (sibcall_value_1, call_value_1_rex64): Likewise.
4454
4455 2004-08-13  James E Wilson  <wilson@specifixinc.com>
4456
4457         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
4458         Correct mode from SFmode to DFmode.
4459
4460 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
4461
4462         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
4463         __cstring_object and __image_info sections with the no_dead_strip
4464         attribute.
4465
4466 2004-08-13  Roger Sayle  <roger@eyesopen.com>
4467             David Billinghurst  <David.Billinghurst@riotinto.com>
4468
4469         PR libgfortran/15930
4470         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
4471         * fixinc/fixincl.x: Regenerate.
4472         * fixinc/tests/base/internal/math_core.h: New file.
4473
4474 2004-08-13  Richard Henderson  <rth@redhat.com>
4475
4476         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
4477         (dbxout_function_end): Remove ifdefs for it.
4478         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
4479
4480 2004-08-13  Richard Henderson  <rth@redhat.com>
4481
4482         * Makefile.in (insn-preds.o): Depend on TREE_H.
4483         * genpreds.c (write_insn_preds_c): Include tree.h.
4484         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
4485         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
4486         const48_operand, and_operand, or_operand, mode_width_operand,
4487         mode_mask_operand, mul8_operand, const0_operand,
4488         hard_fp_register_operand, hard_int_register_operand,
4489         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
4490         samegp_function_operand, direct_call_operand, small_symbolic_operand,
4491         global_symbolic_operand, call_operand, symbolic_operand,
4492         dtp16_symbolic_operand, dtp32_symbolic_operand,
4493         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
4494         gottp_symbolic_operand, alpha_comparison_operator,
4495         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
4496         signed_comparison_operator, alpha_fp_comparison_operator,
4497         divmod_operator, fix_operator, aligned_memory_operand,
4498         unaligned_memory_operand, reg_or_unaligned_mem_operand,
4499         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
4500         reg_no_subreg_operand, addition_operation): Move to predicates.md.
4501         (reg_or_const_int_operand): Remove.  Replace all users with
4502         reg_or_cint_operand.
4503         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
4504         (resolve_reload_operand): Split out of aligned_memory_operand.
4505         * config/alpha/alpha-protos.h: Update for exports.
4506         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
4507         * config/alpha/alpha.md: Include predicates.md.
4508         * config/alpha/predicates.md: New file.
4509
4510 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
4511
4512         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
4513         fields with a pointer to the instruction definition.
4514         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
4515         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
4516         (write_attr_case, write_const_num_delay_slots): Update accordingly.
4517         (write_attr_case, write_const_num_delay_slots): Write the name of
4518         an insn next to its case statement.
4519         * genoutput.c (data): Add a filename field.
4520         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
4521         (output_insn_data): Print the location of each insn definition.
4522         * genrecog.c (write_action): Print the name of an insn above
4523         the statement that returns its code.
4524
4525 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
4526
4527         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
4528         * config/libgloss.h: Likewise.
4529         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
4530         * c4x/c4x-modes.def: Likewise.
4531         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
4532         (c4x_rptb_nop_p): Likewise.
4533         (c4x_rptb_valid_p): Likewise.
4534         (c4x_rptb_insert): Likewise.
4535         (c4x_address_conflict): Likewise.
4536         * config/c4x/c4x.md: Likewise.
4537         * config/frv/frv.md: Likewise.
4538         * config/i386/athlon.md: Likewise.
4539         * config/i386/i386.md: Likewise.
4540         * config/i386/predicates.md: Likewise.
4541         * config/ia64/ia64.c: Likewise.
4542         * config/ia64/itanium1.md: Likewise.
4543         * config/ia64/itanium2.md: Likewise.
4544         * config/iq2000/iq2000.md: Likewise.
4545         * config/mcore/mcore.c: Likewise.
4546         * config/mips/mips.c: Likewise.
4547         * config/mips/r3900.h: Likewise.
4548         * config/mips/sb1.md: Likewise.
4549         * config/pa/milli64.S: Likewise.
4550         * config/pa/pa.c: Likewise.
4551         * config/pa/pa.h: Likewise.
4552         * config/rs6000/8540.md: Likewise.
4553
4554 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
4555
4556         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
4557
4558 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
4559
4560         * sh.md (cbranch define_delay) Use cond_delay_slot for
4561         non-anulled condition too.
4562
4563 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4564
4565         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
4566         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
4567         any_parallel_operand, lmw_operation, stmw_operation,
4568         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
4569         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
4570         any_parallel_operand.
4571         (return_and_restore_fpregs_{si,di}): Same.
4572
4573 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4574
4575         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
4576         if pred->singleton != PARALLEL, issue a warning and pretend it was.
4577         Also issue a warning for any predicate we don't know about.
4578
4579 2004-08-12  Richard Henderson  <rth@redhat.com>
4580
4581         * config/i386/i386.c (internal_label_prefix): Export.
4582         (internal_label_prefix_len, struct ix86_address,
4583         ix86_decompose_address, maybe_get_pool_constant,
4584         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
4585         memory_address_length): Export.
4586         (any_fp_register_operand, fp_register_operand,
4587         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
4588         x86_64_general_operand, x86_64_szext_general_operand,
4589         x86_64_nonmemory_operand, x86_64_movabs_operand,
4590         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
4591         x86_64_zext_immediate_operand, const_int_1_31_operand,
4592         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
4593         tls_symbolic_operand, global_dynamic_symbolic_operand,
4594         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
4595         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
4596         constant_call_address_operand, const0_operand, const1_operand,
4597         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
4598         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
4599         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
4600         general_no_elim_operand, nonmemory_no_elim_operand,
4601         index_register_operand, q_regs_operand, flags_reg_operand,
4602         non_q_regs_operand, zero_extended_scalar_load_operand,
4603         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
4604         ix86_comparison_operator, ix86_carry_flag_operator,
4605         fcmov_comparison_operator, promotable_binary_operator,
4606         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
4607         mult_operator, div_operator, arith_or_logical_operator,
4608         memory_displacement_operand, cmpsi_operand, long_memory_operand,
4609         aligned_operand): Move to predicates.md as define_predicates.
4610         (tls_symbolic_operand_1): Remove.
4611         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
4612         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
4613         (legitimize_address): Merge tls_symbolic_operand contents.
4614         (ix86_expand_move): Likewise.
4615         * config/i386/i386-protos.h: Update for exports.
4616         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
4617         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
4618         * config/i386/i386.md: Include predicates.md.
4619         * config/i386/predicates.md: New file.
4620
4621 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
4622
4623         PR c++/16924
4624         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
4625         SYMBOL_REF_DECL.
4626         (i386_pe_mark_dllimport): Likewise.
4627         (i386_pe_encode_section_info): Likewise, when overriding
4628         dllimport attribute.
4629
4630 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
4631
4632         * configure.ac: When testing for flex, nm, ar, and bison, check
4633         that they will actually be built.
4634         * configure: Regenerate.
4635
4636 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
4637
4638         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
4639         (MOVE_MAX_PIECES): Define.
4640
4641 2004-08-12  Devang patel  <dpatel@apple.com>
4642
4643         * dbxout.c (dbxout_begin_prologue): New function.
4644         (dbx_debug_hooks): Use new begin prologue hook.
4645         (dbxout_function_end): Emit N_ENSYM.
4646         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
4647
4648 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
4649
4650         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
4651         argument is float*.
4652
4653         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
4654         for vec_dss.
4655
4656         * doc/extend.texi (AltiVec builtins): Fix description for recent
4657         changes.  Update operation list to match current support.
4658
4659 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4660
4661         * config/s390/s390.c (struct s390_frame_layout): New struct as element
4662         of struct machine_function.
4663         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
4664         changed all uses.
4665         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
4666         changed all uses.
4667         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
4668         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
4669         (s390_frame_area, s390_register_info): New functions.
4670         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
4671         for base register.
4672         (s390_return_addr_rtx, s390_return_address_offset)
4673         (s390_va_start, s390_gimplify_va_arg)
4674         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
4675         layouts.
4676         (s390_frame_info): Functionality partly moved to s390_register_info.
4677         Made adaptions for new stack layout.
4678         (save_gprs, restore_gprs): Changed meaning of second parameter and
4679         adapted all callers.
4680
4681         * config/s390/s390.h (s390_backchain_string): New global variable.
4682         (MASK_BACKCHAIN): Removed definition.
4683         (TARGET_BACKCHAIN): Changed check.
4684         (TARGET_KERNEL_BACKCHAIN): New macro.
4685         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
4686         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
4687         "kernel-backchain".
4688         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
4689
4690         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
4691         as condition.  Adjusted for new stack layout.
4692
4693         * doc/invoke.texi: Added documentation for new option
4694         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
4695         "-mno-backchain".
4696
4697 2004-08-12  Paul Brook  <paul@codesourcery.com>
4698
4699         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
4700         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
4701
4702 2004-08-12  David Daney  <ddaney@avtrex.com>
4703
4704         * java/gcj.texi:  Add subsection on signal usage.
4705
4706 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4707
4708         * expr.c (move_by_pieces): Set alignment for move to minimum of
4709         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
4710         alignment, but not less than the original alignment.
4711         (move_by_pieces_ninsns): Same.
4712         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
4713         (store_by_pieces_1): Same.
4714
4715 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
4716
4717         PR tree-optimization/16867
4718         * tree.c (is_global_var): New function.
4719         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
4720         Call is_global_var.
4721         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
4722         Update all users.
4723         (is_global_var): Declare.
4724         * tree-dfa.c (dump_variable): Display global and addressable
4725         attributes.
4726         (add_referenced_var): Clarify documentation when marking
4727         variables call-clobbered.
4728         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
4729         instead of needs_to_live_in_memory.
4730         (mark_call_clobbered): If the variable is a tag, mark it
4731         DECL_EXTERNAL.
4732         * tree-gimple.c (is_gimple_reg): Don't check for
4733         TREE_ADDRESSABLE.
4734         (is_gimple_non_addressable): Likewise.
4735         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
4736         needs to be marked call-clobbered.
4737         (setup_pointers_and_addressables): Call is_global_var instead
4738         of needs_to_live_in_memory.
4739         * tree-ssa-dce.c (need_to_preserve_store): Remove.
4740         Update all users with is_global_var.
4741         (mark_stmt_if_obviously_necessary): Fix processing of aliased
4742         stores.  Don't check the virtual definitions.  Rather, check
4743         whether the store is going into global memory.
4744         (find_obviously_necessary_stmts): Get the symbol from the PHI
4745         result.
4746         * tree-ssa-operands.c (get_call_expr_operands): Do not add
4747         clobbering may-defs if the call does not have side effects.
4748
4749 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
4750
4751         PR c++/16276
4752         * output.h (default_function_rodata_section,
4753         default_no_function_rodata_section): New prototypes.
4754         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
4755         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
4756         (TARGET_ASM_OUT): Add it.
4757         * varasm.c (default_function_rodata_section,
4758         default_no_function_rodata_section): New functions.
4759         * final.c (final_scan_insn): Call
4760         targetm.asm_out.function_rodata_section instead of
4761         readonly_data_section.
4762         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
4763         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4764         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4765         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4766         Likewise.
4767         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4768         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4769         Likewise.
4770         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
4771         Likewise.
4772         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4773         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
4774         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
4775
4776 2004-08-12  Paul Brook  <paul@codesourcery.com>
4777
4778         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
4779         frame info.
4780         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
4781         DWARF2_UNWIND_INFO.
4782
4783 2004-08-12  Ben Elliston  <bje@au.ibm.com>
4784
4785         PR target/16286
4786         * config/rs6000/altivec.h: Change vector to __vector throughout.
4787         (Except for the `vector' macro itself).
4788
4789 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4790
4791         * genpreds.c: Add capability to generate predicate bodies as
4792         well as function prototypes.  Write function prototypes for
4793         the generic predicates too.
4794         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
4795         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
4796         (write_match_code, write_predicate_expr, write_one_predicate_function)
4797         (parse_option): New functions.
4798         (output_predicate_decls): Delete.
4799         (main): Read the machine description, process DEFINE_PREDICATE or
4800         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
4801         as appropriate.
4802
4803         * genrecog.c (struct decision_test): Replace index with
4804         struct pred_data pointer.
4805         (next_index): Remove, unused.
4806         (pred_table, preds, special_mode_pred_table): Delete.
4807         (compute_predicate_codes, process_define_predicate): New functions.
4808         (validate_pattern, add_to_sequence, write_switch): Update for
4809         new data structures.
4810         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
4811         Check both error_count and have_error.
4812
4813         * gensupport.c (in_fname, first_predicate): New globals.
4814         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
4815         (predicate_table, last_predicate, old_pred_table)
4816         (old_special_pred_table): New statics.
4817         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
4818         (add_predicate, init_predicate_table): New functions.
4819         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
4820         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
4821         it or max_include_len.  Call init_predicate_table.
4822         (read_rtx): Run the predicate queue after the attribute queue
4823         but before all the others.
4824         * gensupport.h (in_fname, struct pred_data, first_predicate)
4825         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
4826         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
4827         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
4828         * dummy-conditions.c: Don't include bconfig.h, system.h,
4829         coretypes.h, tm.h, or system.h.  Do include stddef.h.
4830         Duplicate declaration of struct c_test from gensupport.h.
4831
4832         * Makefile.in (OBJS-common): Add insn-preds.o.
4833         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
4834         (insn-preds.c, insn-preds.o): New rules.
4835         (s-preds): Also generate insn-preds.c.
4836         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
4837         Update dependencies.
4838         (print-rtl.o, print-rtl1.o): Correct dependencies.
4839
4840         * recog.h: Delete prototypes of predicate functions.
4841
4842         * doc/md.texi (Predicates): New section with complete
4843         documentation of operand/operator predicates.  Remove some
4844         incomplete documentation of predicates from other places.
4845         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
4846         PREDICATE_CODES; indicate that both are deprecated in favor
4847         of define_predicate/define_special_predicate.
4848
4849         * config/ia64/ia64.c: All predicate function definitions moved
4850         to ia64.md, except
4851         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
4852         (ia64_expand_load_address, ia64_expand_move):
4853         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
4854
4855         * config/ia64/ia64.md: All predicates now defined here.
4856         (symbolic_operand): Is now a special predicate.
4857
4858         * config/ia64/ia64.h: Declare ia64_section_threshold.
4859         (PREDICATE_CODES): Delete.
4860
4861 2004-08-12  Richard Henderson  <rth@redhat.com>
4862
4863         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
4864         * c-semantics.c (add_stmt): Set it.
4865         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
4866         before instantiating a variable sized type.
4867
4868 2004-08-12  Richard Henderson  <rth@redhat.com>
4869
4870         * stor-layout.c (round_up, round_down): Move ...
4871         * fold-const.c (round_up, round_down): ... here.  Use
4872         multiple_of_p to avoid any arithmetic at all.
4873
4874 2004-08-12  Richard Henderson  <rth@redhat.com>
4875
4876         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
4877         (gimplify_init_ctor_preeval_1): New.
4878         (gimplify_init_ctor_preeval): New.
4879         (gimplify_init_ctor_eval): New.
4880         (gimplify_init_constructor): Use them.  Always gimplify the LHS
4881         object first.
4882
4883 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
4884
4885         (This patch is part of merge of objc-improvements-branch
4886         into mainline.)
4887
4888         * doc/frontends.texi: Mention Objective-C++ in addition to
4889         Objective-C.
4890         * doc/install.texi: Add 'obj-c++' to list of configurable
4891         languages.
4892         * doc/invoke.texi: Rename Objective-C option headings to
4893         indicate they also apply to Objective-C++.  List file
4894         extensions for Objective-C++ sources.  Mention that
4895         ObjC and ObjC++ compilations may also use C and C++ options,
4896         respectively.  Point users to doc/standards.texi for
4897         further info on ObjC and ObjC++.
4898         * doc/sourcebuild.texi: Mention the objcp/ directory and
4899         the Objective-C++ sources it contains.
4900         * doc/standards.texi: Update link to Apple ObjC site;
4901         add link to gcc readings.html WWW doc.
4902
4903 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
4904
4905         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
4906         and 2004-07-14 changes.
4907
4908 2004-08-12  Paul Brook  <paul@codesourcery.com>
4909
4910         * doc/invoke.texi: Fix typo.
4911
4912 2004-08-11 Devang Patel  <dpatel@apple.com>
4913
4914         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
4915         and -no_dead_strip_inits_and_terms.
4916         (LINK_SPEC): Same.
4917         * doc/invoke.texi (Darwin Options): Document -dead_strip and
4918         -no_dead_strip_inits_and_terms.
4919
4920 2004-08-11  Paul Brook  <paul@codesourcery.com>
4921
4922         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
4923         (arm_load_pic_register): ... to this.
4924         * config/arm/arm.c (arm_finalize_pic): Rename ...
4925         (arm_load_pic_register): ... to this.  Always output insns at the
4926         current location.  Load via low reg in thumb mode.
4927         (arm_expand_prologue): Call arm_load_pic_register.
4928         (thumb_expand_prologue): Ditto.
4929         * config/arm/arm.h (FINALIZE_PIC): Remove.
4930         * config/arm/arm.md (builtin_setjmp_receiver): Call
4931         arm_load_pic_register.
4932
4933 2004-08-11  Paul Brook  <paul@codesourcery.com>
4934
4935         * arm.c (thumb_force_lr_save): Add prototype.
4936         (thumb_compute_save_reg_mask): New function.
4937         (thumb_find_work_register): New function.
4938         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
4939         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
4940         Don't clobber r3 when removing pretend args.
4941         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
4942         (thumb_output_function_prologue): Use new functions.
4943         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
4944         * arm.h (THUMB_REG_PUSHED_P): Remove.
4945
4946 2004-08-11  James E Wilson  <wilson@specifixinc.com>
4947
4948         PR rtl-optimization/16490
4949         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
4950         global_live_at_end for new basic block if already set for other blocks.
4951
4952 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
4953
4954         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
4955
4956         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
4957         (mfcr rlwinm rlwinm patterns): Set length to 12.
4958
4959 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
4960
4961         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
4962         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
4963         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
4964         (start_ssa_stmt_operands): Delete.
4965         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
4966         struct stmt_operands_d.
4967         (build_ssa_operands): New extern entry point.
4968         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
4969         building code, replace with create_ssa_artficial_load_stmt().
4970         * tree-ssa-operands.c (struct voperands_d): Delete.
4971         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
4972         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
4973         (free_uses, free_defs, free_vuses, free_v_may_defs,
4974         free_v_must_defs): Remove dealloc parameter.
4975         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
4976         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
4977         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
4978         vector comparisons, ssa_name reuse, and allocations here.
4979         (verify_start_operands): Delete.
4980         (finalize_ssa_stmt_operands): Set new operands by calling finalize
4981         routines.
4982         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
4983         (append_def, append_usei): Simplify to simple accumulation.
4984         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
4985         duplicates and simple accumulation.
4986         (free_ssa_operands): Free vectors in a stmt_operand structure.
4987         (build_ssa_operands): New. Create a new stmt_operand structure from
4988         a stmt and an old set of stmt_operands.
4989         (get_stmt_operands): Simplify and call build_ssa_operands.
4990         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
4991         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
4992         add_call_read_ops): Don't pass prev_vops around anymore.
4993         (note_addressable): Return if no stmt annotation.
4994         (copy_virtual_operands): Access v_may_def operands through a struct.
4995         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
4996         hash tables without treating the stmt as a real stmt.
4997         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
4998         v_may_def def and use through a struct instead of 2 array elements.
4999         (struct v_may_def_optype_d): Use v_may_def_operand_type.
5000         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
5001
5002 2004-08-11  Nick Clifton  <nickc@redhat.com>
5003
5004         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
5005         this funciton's behaviour.  Return true when the current function
5006         has a section attribute and -mlong-calls is in effect.
5007         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
5008         short-call marker when -mlong-calls is in effect and the function
5009         has a section attribute.
5010
5011 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
5012
5013         * stmt.c (expand_return): If asked to return the RESULT_DECL,
5014         just call expand_value_return on result_rtl.
5015
5016 2004-08-10  Richard Henderson  <rth@redhat.com>
5017
5018         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
5019         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
5020         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
5021         (add_location_or_const_value_attribute): ... not here.  Use
5022         loc_descriptor_from_tree if possible.
5023         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
5024         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
5025         values specially.
5026         (loc_descriptor_from_tree): New.  Update callers.
5027         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
5028         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
5029         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
5030         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
5031         and BUILT_IN_STACK_RESTORE.
5032         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
5033         * stmt.c (expand_stack_alloc): Remove.
5034         * tree-mudflap.c (mx_register_decls): Don't look for
5035         BUILT_IN_STACK_ALLOC.
5036         * tree-nested.c (convert_local_reference): Likewise.
5037         * tree.h (DECL_VALUE_EXPR): New.
5038
5039 2004-08-10  Richard Henderson  <rth@redhat.com>
5040
5041         * stor-layout.c (round_up): Check for 0/1 before dividing.
5042         (round_down): Likewise.
5043
5044         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
5045
5046 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
5047
5048         * config.gcc (arm*-*-eabi*): New target.
5049         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
5050         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5051         * expmed.c (expand_divmod): Try a two-valued divmod function as a
5052         last resort.
5053         * gthr.h: Remove bogus tokens at end of #pragma.
5054         * optabs.c (expand_twoval_binop_libfunc): New function.
5055         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
5056         (prepare_float_lib_cmp): Try reversing the condition.
5057         (debug_optab_libfuncs): New function.
5058         * optabs.h (expand_twoval_binop_libfunc): Declare.
5059         * config/arm/arm.c (arm_init_libfuncs): New function.
5060         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
5061         (TARGET_INIT_LIBFUNCS): Define it.
5062         * config/arm/arm.h (TARGET_BPABI): New macro.
5063         * config/arm/arm-protos.h
5064         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
5065         * config/arm/bpabi.S: New file.
5066         * config/arm/bpabi.c: Likewise.
5067         * config/arm/bpabi.h: Likewise.
5068         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
5069         (__aeabi_drsub): Likewise.
5070         (__aeabi_dsub): Likewise.
5071         (__aeabi_dadd): Likewise.
5072         (__aeabi_ui2d): Likewise.
5073         (__aeabi_i2d): Likewise.
5074         (__aeabi_f2d): Likewise.
5075         (__aeabi_dmul): Likewise.
5076         (__aeabi_ddiv): Likewise.
5077         (__aeabi_cdrcmple): Likewise.
5078         (__aeabi_cdcmpeq): Likewise.
5079         (__aeabi_cdcmple): Likewise.
5080         (__aeabi_dcmpeq): Likewise.
5081         (__aeabi_dcmplt): Likewise.
5082         (__aeabi_dcmple): Likewise.
5083         (__aeabi_dcmpge): Likewise.
5084         (__aeabi_dcmpgt): Likewise.
5085         (__aeabi_dcmpun): Likewise.
5086         (__aeabi_d2iz): Likewise.
5087         (__aeabi_d2uiz): Likewise.
5088         (__aeabi_d2f): Likewise.
5089         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
5090         (__aeabi_frsub): Likewise.
5091         (__aeabi_fsub): Likewise.
5092         (__aeabi_fadd): Likewise.
5093         (__aeabi_ui2f): Likewise.
5094         (__aeabi_i2f): Likewise.
5095         (__aeabi_fmul): Likewise.
5096         (__aeabi_fdiv): Likewise.
5097         (__aeabi_cfrcmple): Likewise.
5098         (__aeabi_cfcmpeq): Likewise.
5099         (__aeabi_cfcmple): Likewise.
5100         (__aeabi_fcmpeq): Likewise.
5101         (__aeabi_fcmplt): Likewise.
5102         (__aeabi_fcmple): Likewise.
5103         (__aeabi_fcmpge): Likewise.
5104         (__aeabi_fcmpgt): Likewise.
5105         (__aeabi_fcmpun): Likewise.
5106         (__aeabi_f2iz): Likewise.
5107         (__aeabi_f2uiz): Likewise.
5108         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
5109         (__aeabi_uidivmod): New function or alias.
5110         (__aeabi_idivmod): Likewise.
5111         (__aeabi_idiv0): Likewise.
5112         (__aeabi_ldiv0): Likewise.
5113         (__aeabi_llsr): Likewise.
5114         (__aeabi_lasr): Likewise.
5115         (__aeabi_llsl): Likewise.
5116         (bpabi.S): Include it.
5117         * config/arm/libgcc-bpabi.ver: New file.
5118         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
5119         (LINK_SPEC): Remove.
5120         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
5121         __aeabi_ulcmp.
5122         * config/arm/t-bpabi: New file.
5123         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
5124         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5125
5126 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
5127
5128         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
5129         * config/rs6000/rs6000.md (clrmemsi): New pattern.
5130         * config/rs6000/rs6000.c (expand_block_clear): New function.
5131         (expand_block_move): Convert alignment to bits.  Use SImode and
5132         HImode for unaligned addresses if not STRICT_ALIGNMENT.
5133
5134 2004-08-10  Caroline Tice  <ctice@apple.com>
5135
5136         * varasm.c (unlikely_section_label): New global variable.
5137         (unlikely_text_section_name): New global variable.
5138         (text_section):  Remove alignment statement.
5139         (unlikely_text_section): Remove alignment statement; use
5140         unlikely_section_label rather than hard-coded string.
5141         (assemble_start_function): Initialize unlikely_section_label and
5142         unlikely_text_section_name;  make sure cold section is properly
5143         aligned at start of function; output unlikely_section_label if
5144         appropriate.
5145
5146 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
5147
5148         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
5149         * config/s390/s390.c (s390_canonicalize_comparison): New function.
5150         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
5151         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
5152         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
5153         ("*tmqi_mem"): Remove SUBREG from pattern.
5154         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
5155         ("*andsi3_cconly"): Likewise.
5156
5157 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5158
5159         PR target/16909
5160         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
5161
5162 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
5163
5164         * doc/sourcebuild.texi (compat testing): Document available test
5165         framework commands.  Use the preferred spelling of DejaGnu.
5166
5167 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
5168
5169         * lambda.h: Add matrix type, and prototypes for remainder of
5170         matrix and vector functions.
5171         (lambda_vector_mult_const): New function.
5172         (lambda_vector_negate): Ditto.
5173         (lambda_vector_add): Ditto.
5174         (lambda_vector_add_mc): Ditto.
5175         (lambda_vector_copy): Ditto.
5176         (lambda_vector_zerop): Ditto.
5177         (lambda_vector_equal): Ditto.
5178         (lambda_vector_min_nz): Ditto.
5179         (lambda_vector_first_nz): Ditto.
5180         (lambda_vector_matrix_mult): Ditto.
5181         * lambda-mat.c: New file.
5182         * Makefile.in (lambda-mat.o): New.
5183
5184 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
5185
5186         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
5187         after linking stmt into the program.
5188         (bsi_remove): Don't call modify_stmt.
5189         * tree-complex.c (update_complex_assignment,
5190         expand_complex_comparison): Call modify_stmt after changing the stmt.
5191         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
5192         removing the stmt.
5193         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
5194         the stmt, and only if needed.
5195         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
5196         expression.
5197         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
5198         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
5199         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
5200         (eliminate_redundant_computations): Don't pass an annotation. Call
5201         modify_stmt rather than setting the annotation directly.
5202         (record_equivalences_from_stmt): Remove unused local 'j'.
5203         (cprop_operand): Take a stmt rather than an annotation as a parameter.
5204         Call modify_stmt.
5205         (cprop_into_stmt): Pass stmt rather than annotation.
5206         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
5207         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
5208         modify_stmt.
5209         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
5210
5211 2004-08-10  Jason Merrill  <jason@redhat.com>
5212
5213         PR middle-end/16948
5214         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
5215         the RESULT_DECL.
5216
5217 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
5218
5219         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
5220         hash function.
5221
5222 2004-08-10  Roger Sayle  <roger@eyesopen.com>
5223
5224         * config/mips/mips.md: New reciprocal square root patterns that
5225         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
5226
5227 2004-08-10  Paul Brook  <paul@codesourcery.com>
5228
5229         * config/arm/arm-protos.h (arm_set_return_address,
5230         thumb_set_return_address): Add prototypes.
5231         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
5232         * config/arm/arm.c (arm_compute_func_type,
5233         use_return_insn, arm_compute_save_reg0_reg12_mask,
5234         arm_compute_save_reg_mask, arm_output_function_prologue,
5235         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
5236         current_function_calls_eh_return.
5237         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
5238         old eh code.
5239         (arm_set_return_address, thumb_set_return_address): New functions.
5240         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
5241         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
5242         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
5243         (epilogue): Use the stackadj register.
5244         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
5245
5246 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
5247
5248         PR target/3144
5249         * expr.c (move_by_pieces_ninsns): Add max_size argument.
5250         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
5251         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
5252         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
5253         but using MOVE_RATIO.
5254         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
5255         (can_store_by_pieces): Change max_size type to unsigned int.
5256         (store_by_pieces_1): Likewise.  Pass max_size to
5257         move_by_pieces_ninsns.
5258         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
5259         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
5260         to move_by_pieces_ninsns.
5261         (STORE_BY_PIECES_P): Define.
5262         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
5263         to move_by_pieces_ninsns.
5264         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
5265
5266         * config/i386/i386.h (CLEAR_RATIO): Define.
5267
5268 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5269
5270         * expr.c (expand_expr_real_1): Add back code that was not dead.
5271
5272 2004-08-09  Andrew Pinski  <apinski@apple.com>
5273
5274         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
5275         which is found to be compatible before returning the aliasing set.
5276
5277 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
5278
5279         * ggc-zone.c (struct alloc_zone): Add statistics counters.
5280         (always_collect): New flag.
5281         (ggc_alloc_zone_1): Update statistics support.  Don't include
5282         overhead in allocated counter.
5283         (sweep_pages): Update allocated counter for large pages.  Don'y
5284         include overhead.
5285         (ggc_collect_1): Always collect.
5286         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
5287         whether to collect.
5288         (SCALE, LABEL): New macros.
5289         (ggc_print_statistics): Add statistics support.
5290
5291 2004-08-09  Roger Sayle  <roger@eyesopen.com>
5292
5293         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
5294         (init_expmed): Fix potential overrun problem with "all.reg".
5295         (expand_sdiv2_pow2): Add an alternate implementation for signed
5296         division, if the target provides a suitable conditional move insn.
5297
5298 2004-08-09  Paul Brook  <paul@codesourcery.com>
5299         Richard Henderson  <rth@redhat.com>
5300
5301         * unwind-dw2.c (uw_install_context_1): Update target saved stack
5302         pointer.
5303
5304 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
5305
5306         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
5307         Check DATA limit only if there's no AS limit.  Ignore insanely
5308         low DATA limits.
5309         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
5310         but take care that the AS limit isn't overrun.
5311         * doc/invoke.texi: Update documentation of min-heapsize parameter.
5312
5313 2004-08-09  Jeff Law  <law@redhat.com>
5314
5315         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
5316         (tree-ssa-threadupdate.o): Add dependencies.
5317         * tree-ssa-threadupdate.c: New file.
5318         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
5319         (rewrite_vars_out_of_ssa): Remove prototype.
5320         (cleanup_tree_cfg): Returns a bool.
5321         * tree.h (thread_through_all_blocks): Prototype.
5322         * tree-outof-ssa.c  (SSANORM_*): Move into here.
5323         (remove_ssa_form): Now static.
5324         (rewrite_vars_out_of_ssa): Kill.
5325         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
5326         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
5327         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
5328         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
5329         anything was changed.
5330         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
5331         from the PHI's annotation rather than the edge associated with
5332         the new argument.
5333         * tree-ssa-dom.c (redirection_edges): Kill.
5334         (redirect_edges_and_update_ssa_graph): Kill.
5335         (tree_ssa_dominator_optimize): Do not reset forwardable flag
5336         for blocks anymore.  Do not initialize redirection_edges.
5337         Call thread_through_all_blocks.  Simplify code for cleanup
5338         of the CFG and iterating.  No longer call cleanup_tree_cfg
5339         outside the iteration loop.
5340         (thread_across_edge): No longer mess with forwardable blocks.
5341
5342 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
5343
5344         * explow.c (memory_address): Use memory_address_p.
5345         * recog.c (general_operand): Likewise.
5346         * regrename.c: No need to define REG_OK_STRICT.
5347
5348 2004-08-09  Steven Bosscher  <stevenb@suse.de>
5349
5350         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
5351         New timers.
5352         * gcse.c: Include timevar.h.
5353         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
5354         and global_copy_prop_count.
5355         (local_const_prop_count, local_copy_prop_count): New static globals.
5356         (gcse_main): Set the right timevar for each pass.
5357         (cprop_jump): Increment global_const_prop_count when a constant is
5358         propagated.  Add "GLOBAL" to dump output.
5359         (cprop_insn): Increment global_const_prop_count when a constant is
5360         propagated, or global_copy_prop_count when a copy is propagated.
5361         (do_local_cprop): Likewise for local_const_prop_count and
5362         local_copy_prop_count.
5363         (one_cprop_pass): Initialize const/cprop counters to zero.
5364         Print out results of local and global const/cprop separately.
5365         (bypass_block): Break over-length line.
5366         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
5367         for bb-reorder.o and tracer.o.
5368
5369 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5370
5371         * Makefile.in (GTFILES): Remove stmt.c
5372         (stmt.o): Do not depend on gt-stmt.h.
5373         * emit-rtl.c (emit_line_note): Do not call
5374         set_file_and_line_for_stmt.
5375         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
5376         do everything.
5377         * function.c (free_after_parsing): Do not free STMT field.
5378         (allocate_struct_function): Do not call init_stmt_for_function.
5379         (assign_stack_temp_for_type): Do not accept values of keep
5380         other than 0 or 1.
5381         (init_temp_slots): Do not initialize removed variables.
5382         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
5383         and X_VAR_TEMP_SLOT_LEVEL fields.
5384         * rtl.h (set_file_and_line_for_stmt): Remove.
5385         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
5386         struct stmt_status, cond_stack, case_stack, nesting_stack,
5387         nesting_depth, emit_locus, set_file_and_line_for_stmt,
5388         same_case_target_p, init_stmt_for_function, emit_nop,
5389         expand_start_cond, expand_start_elseif, expand_start_else,
5390         expand_elseif, expand_end_cond): Remove.
5391         (preserve_subexpressions_p): Remove references to CFUN->STMT.
5392         (expand_start_case, expand_end_case_type): Remove, merge into...
5393         (expand_case): ... this one, including other bits from
5394         expand_expr_real_1.  Inline same_case_target_p.  Turn members
5395         of CASE_STACK into local variables.
5396         (emit_case_bit_tests): Inline same_case_target_p.
5397         (add_case_node): Add HEAD argument, return new head of the list,
5398         do not handle default label here.
5399         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
5400         expand_start_elseif, current_nesting_level, expand_start_case,
5401         expand_end_case_type, expand_end_case, add_case_node,
5402         init_stmt_for_function, expand_elseif): Remove prototypes.
5403         (expand_case): Add prototype.
5404
5405 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5406
5407         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
5408
5409 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5410
5411         * expr.c (var_rtx): Remove.
5412         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
5413         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
5414         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
5415         Abort.
5416         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
5417         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
5418         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
5419
5420 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
5421         Ayal Zaks <zaks@il.ibm.com>
5422
5423         * common.opt (freschedule-modulo-scheduled-loops): New flag.
5424         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
5425         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
5426         when -freschedule-modulo-scheduled-loops flag is not specified.
5427         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
5428         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
5429         More accurate placing of insn in row of partial schedule.
5430         (ps_insn_find_column): New function.
5431         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
5432         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
5433         (schedule_region): Use sched_is_disabled_for_current_region_p.
5434         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
5435
5436 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5437
5438         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
5439         change.
5440
5441 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5442
5443         * config/i386/i386.c (ix86_expand_clrmem): Properly call
5444         gen_strset for 64bit target.
5445
5446 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
5447
5448         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
5449
5450 2004-08-07  Jason Merrill  <jason@redhat.com>
5451
5452         Make return in memory explicit.
5453         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
5454         (assign_parm_find_data_types): Remove code for old front end
5455         invisible reference handling.
5456         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
5457         (expand_function_end): Likewise.
5458         * gimplify.c (gimplify_return_expr): Handle a dereferenced
5459         RESULT_DECL.
5460         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
5461         (declare_return_variable): Handle DECL_BY_REFERENCE.
5462         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
5463         (cp_genericize_r): Use convert_from_reference.
5464         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
5465         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
5466
5467         * c-common.c (c_warn_unused_result): Check TREE_USED before
5468         warning about a CALL_EXPR with an unused value.
5469
5470 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5471
5472         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
5473         to the compiler.  Use -fshort-wchar by default.
5474
5475 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
5476
5477         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
5478         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
5479         threshhold.
5480         * doc/invoke.texi (param): Document min-crossjump-insns.
5481
5482 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
5483
5484         PR c/13282
5485         * c.opt (Wmissing-field-initializers): New option.
5486         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
5487         * c-typeck.c (pop_init_level): Guard the missing field warning with
5488         warn_missing_field_initializers rather than extra_warnings.
5489         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
5490         some of the explanation from...
5491         (-Wextra): ...here.  Say that the missing field warning can be
5492         seperately controlled by -Wmissing-field-initializers.
5493
5494 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
5495
5496         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
5497         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
5498         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
5499         * tree.def (ENTRY_VALUE_EXPR): Remove.
5500
5501 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
5502
5503         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
5504         the places where it is actually needed.  Don't use repz; stosb
5505         for -Os with sufficiently small constant sizes.
5506         For sufficiently small repz; stos{l,q} repeat counts use a sequence
5507         of stos{l,q} instructions instead.
5508
5509 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5510
5511         PR tree-optimization/16807
5512         * loop-iv.c (dump_iv_info): Dump invariants correctly.
5513         (iv_subreg, iv_extend): Express value of invariant purely in
5514         base field.
5515
5516 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5517
5518         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
5519         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
5520
5521 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
5522
5523         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
5524         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
5525         pre_dec_operand.
5526         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
5527         pattern until reload is finished to allow better code generation
5528         and split them completely into separate instrunctions.
5529         (*andsi3_split): New pattern.
5530
5531 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
5532
5533         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
5534         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
5535         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5536         * tree.h (handle_dll_attribute): Declare.  Test
5537         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5538         * c-common.h (c_determine_visibility): Declare.
5539         * c-common.c (c_determine_visibility): New function.
5540         * c-decl.c (finish_decl): Use it.
5541         (finish_function): Likewise.
5542         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
5543         zero, by default.  Use #if, not #ifdef, to test it.
5544         * config/arm/arm.c (arm_attribute_table): Use
5545         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
5546         #if.
5547         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
5548         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5549         to 1.
5550         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
5551         * config/i386/i386.c (ix86_attribute_table): Use
5552         handle_dll_attribute for dllimport/dllexport.  Test
5553         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5554         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
5555         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5556         it to 1.
5557         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
5558         with #if.
5559         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5560         it to 1.
5561         * doc/extend.texi (dllexport): Clarify and correct documentation.
5562         (dllimport): Likewise.
5563         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
5564         handle_dll_attribute.
5565
5566 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5567
5568         * tree-ssa-loop-manip.c: New file.
5569         * Makefile.in (tree-ssa-loop-manip.o): Add.
5570         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
5571         Declare.
5572         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
5573         form.
5574         (tree_ssa_loop_done): Verify loop closed ssa form.
5575         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
5576
5577 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5578
5579         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
5580         pa_asm_output_aligned_local): New functions.
5581         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
5582         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
5583         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
5584         pa_asm_output_aligned_common.
5585         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5586         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
5587         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5588         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5589         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
5590         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5591         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5592         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
5593         common data.
5594
5595 2004-08-05  Andrew Pinski  <apinski@apple.com>
5596
5597         * objc/objc-act.c (build_objc_string_object): Mark the address
5598         expression as constant.
5599
5600 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
5601
5602         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
5603         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
5604         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
5605
5606 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5607
5608         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
5609         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
5610         out, and associated obsolete comments.
5611
5612 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
5613
5614         * tree.h (force_fit_type): Return a tree, take three flags.
5615         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
5616         TREE_CONSTANT_OVERFLOW here.
5617         (int_const_binop, const_binop): Adjust.
5618         (size_int_type): Do sign extension here.
5619         (fold_convert_const, optimize_bit_field_compare,
5620         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
5621         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
5622         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
5623
5624 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5625
5626         PR tree-optimization/16864
5627         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
5628         for ssa names without default_def.
5629
5630 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
5631
5632         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
5633         frame pointer, restore eax with an ebp-relative address.
5634
5635 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
5636
5637         PR 14516
5638         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
5639         * c-common.h (make_rtl_for_local_static): Delete.
5640         * c-decl.c (shadow_tag_warned): Clean up comment.
5641         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
5642         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
5643         * c-semantics.c (make_rtl_for_local_static): Delete.
5644         * expr.c (init_block_move_fn): Use set_user_assembler_name.
5645         (init_block_clear_fn): Likewise.
5646         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
5647         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
5648         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
5649         * tree.h (make_decl_rtl): Remove second parameter.
5650         (set_user_assembler_name): New.
5651         * varasm.c (set_user_assembler_name): New.
5652         (make_decl_rtl): Remove second parameter.  Update callers in many
5653         files.
5654
5655 2004-08-05  Adam Nemet  <anemet@lnxw.com>
5656
5657         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
5658         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
5659         to LynxOS 4.0.
5660         * gthr-lynx.h: New file.
5661         * config/lynx-ng.h: Remove file.
5662         * config/lynx.h: Update to LynxOS 4.0.
5663         * config/t-lynx: New file.
5664         * config/i386/lynx-ng.h: Remove file.
5665         * config/i386/lynx.h: Update to LynxOS 4.0.
5666         * config/rs6000/lynxbase.h: Remove file.
5667         * config/rs6000/lynx.h: Update to LynxOS 4.0.
5668         * config/rs6000/t-lynx: New file.
5669         * doc/install.texi (Options specification): Remove reference to
5670         LynxOS from systems where --with-gnu-as makes a difference.
5671
5672 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5673
5674         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
5675         __UINTMAX_TYPE__.
5676         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
5677         __INTMAX_MAX__.
5678         (c_cpp_builtins): Call it.
5679         * doc/cpp.texi: Update.
5680
5681 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
5682
5683         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
5684         cost.
5685
5686 2004-08-04  Jan Hubicka  <jh@suse.cz>
5687
5688         * basic-block.h (profile_staus): New global variable.
5689         * cfg.c (profile_status): Declare.
5690         (check_bb_profile): Break out from ....; use profile_status
5691         (dump_flow_info): ... here.
5692         * cfgbuild.c (find_basic_blocks): Set profile_status.
5693         * cfgexpand.c (tree_expand_cfg): Likewise.
5694         * predict.c (estimate_probability): Likewise.
5695         * profile.c (branch_prob): Likewise.
5696         * tree-cfg.c (build_tree_cfg): Likewise.
5697         (dump_function_to_file): Use check_bb_profile.
5698         * tree-pretty-print (dump_bb_header): Likewise.
5699         * tree-profile.c (do_tree_profiling): Cleanup.
5700
5701 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
5702
5703         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
5704         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
5705         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
5706         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
5707         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
5708         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
5709         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
5710         (ggc-none.o, errors.o): Move rule to generators section;
5711         correct dependencies.
5712         (min-insn-modes.o): Move rule to generators section; remove
5713         unnecessary explicit command; correct dependencies.
5714         (print-rtl.o, print-rtl1.o): Correct dependencies.
5715         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
5716         (mostlyclean): Update.
5717
5718         * errors.c: Include bconfig.h not config.h.  Correct comment.
5719         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
5720         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
5721         * print-rtl.c: Don't include tm_p.h.
5722
5723         * rtl.h: Move forward-decl of struct function down where it's
5724         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
5725         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
5726
5727 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5728             Jeff Law  <law@redhat.com>
5729
5730         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
5731         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
5732         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
5733         manipulate the duplicated ssa names.
5734         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
5735         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
5736         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
5737         New functions.
5738         (release_ssa_name): Do not release ssa names that may have multiple
5739         definitions.
5740         * tree.h (release_ssa_name_force, mark_for_rewrite,
5741         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
5742         marked_ssa_names): Declare.
5743         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
5744         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
5745         Update call to rewrite_ssa_into_ssa.
5746
5747 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
5748
5749         * defaults.h (TARGET_DECLSPEC): New macro.
5750         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
5751         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
5752         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
5753         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
5754         __declspec support.
5755         (TARGET_DECLSPEC): Define.
5756         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
5757         __declspec support.
5758         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
5759         __declspec support.
5760         (TARGET_DECLSPEC): Define.
5761         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
5762         __declspec support.
5763         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
5764         support.
5765         * doc/tm.texi (TARGET_DECLSPEC): Document.
5766
5767         * doc/extend.texi: Fix typo in comment.
5768
5769 2004-08-04  Paul Brook  <paul@codesourcery.com>
5770
5771         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
5772         (TARGET_CXX): Use it.
5773         * target.h (struct gcc_target): Add cdtor_returns_this.
5774         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
5775         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
5776         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
5777
5778 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
5779
5780         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
5781         low/high pair. Do range checking directly.
5782         (interpret_integer): Adjust.
5783
5784 2004-08-04  Nick Clifton  <nickc@redhat.com>
5785
5786         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
5787         GCC ABI.
5788         * doc/invoke.texi: Document this new switch and also the -mrenesas
5789         switch.
5790
5791 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
5792
5793         * cfglayout.c (insn_locators_initialize): Update the current
5794         location before initializing a location.
5795
5796 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5797
5798         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
5799         (dbxout_function_end): Return after emitting the "Lscope" symbol
5800         under the same conditions that this function formerly wasn't called.
5801         Add explanatory comments.
5802
5803         PR 14860
5804         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
5805         on the new decl.
5806
5807         PR 13956
5808         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
5809         functions, broken out of dbxout_block.
5810         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
5811         stabs too, if it contains symbols.  Use the begin_label and
5812         the Lscope label (emitted by dbxout_function_end) for the
5813         range of this block.
5814
5815 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
5816
5817         * doc/install.texi: Update autoconf version requirements.
5818
5819 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5820
5821         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
5822         * recog.c (general_operand, immediate_operand, nonmemory_operand)
5823         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
5824         * regclass.c (record_reg_classes): Likewise.
5825         * reload.c (find_reloads): Likewise.
5826         * reload1.c (reload): Likewise.
5827
5828 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
5829
5830         * gensupport.c (init_md_reader_args_cb): Renamed from
5831         init_md_reader_args.  Add third option, callback function for
5832         parsing program-specific options.  Add diagnosis of incorrect
5833         number of input files.
5834         (init_md_reader): Fold into init_md_reader_args_cb.
5835         (init_md_reader_args): Now a thin wrapper around
5836         init_md_reader_args_cb.
5837         * gensupport.h: Update prototypes.
5838
5839         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5840         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5841         * genrecog.c: No need to diagnose lack of an input file;
5842         init_md_reader_args will handle it.
5843         * genconditions.c: Likewise, and use init_md_reader_args.
5844         * genconstants.c: Likewise, and no need to call read_md_rtx.
5845
5846 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
5847
5848         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
5849         declarations.
5850
5851 2004-08-03  Mike Stump  <mrs@apple.com>
5852
5853         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
5854         for frameworks.
5855         * doc/invoke.texi (Darwin Options): Update to reflect above.
5856
5857 2004-08-03  Roger Sayle  <roger@eyesopen.com>
5858
5859         PR middle-end/16790
5860         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
5861         truncations, not just global truncations.
5862
5863 2004-08-03  Andrew Pinski  <apinski@apple.com>
5864
5865         PR bootstrap/16865
5866         * loop-iv.c (simplify_using_assignment): Initialize lhs.
5867
5868 2004-08-03  Paul Brook  <paul@codesourcery.com>
5869
5870         * gcc/doc/install.texi: Document MPFR requirement.
5871
5872 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
5873
5874         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
5875         and mmap() explicitly instead of relying on preset autoconf cache
5876         variables.
5877         * configure: Regenerate.
5878
5879 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5880
5881         PR target/16570
5882         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
5883         to tmake_file.
5884         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
5885         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
5886         to tmake_file.
5887
5888         * config/i386/t-gmm_malloc: New file.
5889         * config/i386/t-pmm_malloc: Likewise.
5890
5891         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
5892
5893 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
5894             Tanguy Fautrà <tfautre@pandora.be>
5895
5896         * config/i386/pmm_malloc.h: New file.
5897
5898 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
5899
5900         * config/i386/gmm_malloc.h: New file.
5901
5902 2004-08-03  Dale Johannesen  <dalej@apple.com>
5903
5904         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
5905         * c-common.c: Include opts.h.
5906         (c_common_get_alias_set): Fix check for a single input file.
5907         * toplev.c: Remove current_file_decl.
5908         * tree.h: Ditto.
5909
5910 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
5911
5912         * config.gcc (arm*-*-symbianelf*): New target.
5913         * config/arm/symbian.h: New file.
5914
5915         * gthr-gnat.c: Add visibility #pragmas.
5916         * gthr-gnat.h : Likewise.
5917         * gthr.h: Likewise.
5918         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
5919         (__ffsDI2): Likewise.
5920         (__clzSI2): Likewise.
5921         (__ctzSI2): Likewise.
5922         (__ctzDI2): Likewise.
5923         (__popcountSI2): Likewise.
5924         (__popcountDI2): Likewise.
5925         (__paritySI2): Likewise.
5926         (__parityDI2): Likewise.
5927         * libgcc2.h: Add visibility #pragmas.
5928         (__clzDI2): Add prototype.
5929         (__clzSI2): Likewise.
5930         (__ctzSI2): Likewise.
5931         (__ffsDI2): Likewise.
5932         (__ffsSI2): Likewise.
5933         (__ctzDI2): Likewise.
5934         (__popcountSI2): Likewise.
5935         (__popcountDI2): Likewise.
5936         (__paritySI2): Likewise.
5937         (__parityDI2): Likewise.
5938         * unwind-dw2-fde.h: Add visibility #pragmas.
5939         * unwind.h: Likewise.
5940
5941 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
5942             Dale Johannesen  <dalej@apple.com>
5943             Roger Sayle  <roger@eyesopen.com>
5944
5945         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
5946         constants more accurately.  Adjust costs for FMA instructions.
5947         Add cases for most logical and float operations.  Recurse into
5948         most operands.
5949
5950 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5951
5952         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
5953
5954 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
5955
5956         * ra-build.c (conflicts_between_webs): For webs that cross a call add
5957         conflicts to regs_invalidated_by_call.
5958
5959 2004-08-03  Paul Brook  <paul@codesourcery.com>
5960
5961         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
5962
5963 2004-08-03  Jan Hubicka  <jh@suse.cz>
5964
5965         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
5966         ARRAY_REF argument.
5967
5968 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
5969
5970         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
5971         arm968es, arm10e, arm1020e, arm1022e.
5972         * invoke.texi: Update list of ARM cores.
5973         * arm-tune.md: Regenerate.
5974
5975 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
5976
5977         * arm/gentune.sh: New file.
5978         * arm/t-arm: New file.
5979         * arm/arm-tune.md: New file (autogenerated).
5980         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
5981         * arm.md (attribute tune): Delete.  Include arm-tune.md.
5982
5983 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
5984
5985         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
5986         penultimate parameter.  All callers adjusted.
5987         (struct prefix_list): Remove used_flag_ptr.
5988         (find_a_file): Do not set *pl->used_flag_ptr.
5989         (warn_B, warn_std_ptr): Remove.
5990
5991 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
5992             Mostafa Hagog <mustafa@il.ibm.com>
5993
5994         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
5995
5996 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
5997
5998         * dwarf2out.c (output_call_frame_info): Don't change data format
5999         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
6000         label.  Use 'true' not '1'.
6001         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
6002         required.
6003
6004 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
6005
6006         * gdbinit.in: Reflect previous changes to rtunion_def.
6007
6008 2004-08-02  Roger Sayle  <roger@eyesopen.com>
6009
6010         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
6011         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
6012
6013 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6014
6015         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
6016         vec_p_reserve.
6017         * langhooks.h (lang_hooks::builtin_function): Rename parameter
6018         from "class" to "bt_class".
6019
6020 2004-08-02  Paul Brook  <paul@codesourcery.com>
6021
6022         PR rtl-optimization/15068
6023         * flow.c (init_propagate_block_info): Check condition is reversible.
6024
6025 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6026
6027         * gengtype.h (options::info): Change type to const char *.
6028         (enum gc_used_enum): Move out of struct type scope.
6029         * gengtype.c (create_option): Convert initializer for option::info to
6030         appropiate type.
6031         (adjust_field_type, walk_type, write_func_for_structure,
6032         write_root, write_roots): Remove pointless cast.
6033
6034 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
6035
6036         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
6037
6038 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6039
6040         * rtl.h (union rtunion_def): Have all members  start with the
6041         prefix "rt_".
6042         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
6043         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
6044         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
6045         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
6046         access.
6047         * gengtype.c (adjust_field_rtx_def): Likewise.
6048         * rtlanal.c (loc_mentioned_in_p): Likewise.
6049
6050 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
6051
6052         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
6053         Replace uses of mips/elf64.h with mips/elf.h
6054         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
6055         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
6056         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
6057         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
6058         (HANDLE_SYSV_PRAGMA): Delete.
6059         (ASM_OUTPUT_DEF): Fix formatting.
6060         * config/mips/elf64.h: Delete.
6061
6062 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
6063
6064         * config/ia64/ia64.c (got_symbolic_operand): Do require a
6065         symbol+offset operand to have its offset be zero mod 0x3fff
6066         when GOT entries are in use.  Clarify logic in SYMBOL_REF
6067         case.  Clarify comments.
6068         (ia64_expand_load_address): Split a symbol+offset load when
6069         the offset is nonzero mod 0x3fff, not 0x1fff.
6070
6071 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
6072
6073         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
6074         if trying to *store* to a non-offsettable address.
6075         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
6076         a nonoffsettable address.
6077         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
6078         Clean up.
6079         (movti_string): Don't move GPRs to a nonoffsettable address.
6080         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
6081
6082 2004-08-02  Ben Elliston  <bje@au.ibm.com>
6083
6084         PR target/16155
6085         * config/rs6000/altivec.h: Replace typeof with __typeof__.
6086
6087 2004-08-01  Richard Henderson  <rth@redhat.com>
6088
6089         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
6090         variable sized types.
6091
6092 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6093
6094         * doc/invoke.texi: In the MIPS options section, remove the passage
6095         saying that -mexplicit-relocs is usually disabled for -mabicalls
6096         -fno-unit-at-a-time.
6097         * config/mips/mips.c (override_options): Remove the code that enforced
6098         this rule.
6099
6100 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6101
6102         * config/mips/mips.md (cprestore): Provide two alternatives, one for
6103         an in-range offset and one for an out-of-range offset.  Wrap the latter
6104         in .set macro/.set nomacro if it's inside a .set nomacro block.
6105
6106 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6107
6108         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
6109         (mips_restore_gp): Declare.
6110         * config/mips/mips.c (mips_add_offset): Add a scratch register
6111         argument.  Reimplement in rtl only, reusing MIPS16 logic from
6112         mips_output_mi_thunk.
6113         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
6114         to mips_add_offset.
6115         (mips_gp_save_slot): Delete.
6116         (mips_restore_gp): New function.
6117         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
6118         * config/mips/mips.md (exception_receiver): Turn into a
6119         define_insn_and_split.  Use mips_restore_gp to do the split.
6120         (call_internal, call_value_internal, call_value_multiple_internal): Use
6121         mips_restore_gp to restore $gp.
6122
6123 2004-07-31  Andrew Pinski  <apinski@apple.com>
6124
6125         PR other/16842
6126         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
6127
6128 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
6129
6130         * c-decl.c (diagnose_mismatched_decls): Give error for external
6131         redeclaration of identifier declared with no linkage, not just
6132         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
6133         error for redeclaration with no linkage.
6134
6135 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
6136             Fariborz Jahanian <fjahanian@apple.com>
6137
6138         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
6139         non-offsettable addresses even for DImode.
6140         (rs6000_split_multireg_move): Cope with non-offsettable addresses
6141         being moved into multiple GPRs.
6142
6143         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
6144         to 64.
6145         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
6146         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
6147         to 128.
6148         * config/rs6000/darwin-ldouble.c (isless): New macro.
6149         (inf): New macro.
6150         (nonfinite): New macro.
6151         (FPKINF): Delete.
6152         (_xlqadd): Completely rewrite.
6153         (_xlqmul): Correct overflow handling.
6154         (_xlqdiv): Correct overflow handling.
6155         * config/rs6000/darwin-ldouble-format: New file.
6156
6157 2004-07-30  Roger Sayle  <roger@eyesopen.com>
6158             Richard Henderson  <rth@redhat.com>
6159
6160         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
6161         9 into the equivalent lea instruction.
6162
6163 2004-07-30  Richard Henderson  <rth@redhat.com>
6164
6165         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
6166         with DECL_INITIAL if fb_lvalue.
6167         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
6168         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
6169         with <Cxxx>.
6170         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
6171
6172 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6173
6174         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
6175         pointer escapes through a function call, assume that the
6176         callee will dereference it.
6177         (add_pointed_to_var): Assume that VALUE is always an
6178         ADDR_EXPR.
6179         (collect_points_to_info_r): Only call add_pointed_to_var if
6180         the value is an ADDR_EXPR.
6181
6182 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6183
6184         * tree-ssa-alias.c (create_alias_map_for): Do not get the
6185         alias set of the inner type of ARRAY_TYPEs.
6186
6187 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6188
6189         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
6190         setting a non-register to UNDEFINED right before the call to
6191         set_lattice_value.
6192
6193 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6194
6195         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
6196
6197 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6198
6199         * tree-ssa.c (verify_flow_sensitive_alias_info): When
6200         comparing points-to sets of different pointers, make sure the
6201         second pointer is actually referenced in the code.
6202
6203 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
6204
6205         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
6206         (got_symbolic_operand): Remove unreachable code.
6207         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
6208         setjmp_operand; add entry for tls_symbolic_operand.
6209         * config/ia64/ia64-protos.h: Remove all prototypes of
6210         predicate functions.
6211
6212 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
6213
6214         * c-common.h (lang_post_pch_load): New variable.
6215         * c-pch.c (lang_post_pch_load): Define it.
6216         (c_common_read_pch): Use it.
6217         * cgraphunit.c (record_call_1): Give the front end a chance to
6218         record additional needed entities when a variable is marked as
6219         needed.
6220         * tlink.c (recompile_files): Robustify.
6221         (scan_linker_output): If a symbol is assigned to a file,
6222         but after recompilation is not present there, issue an error
6223         message.
6224
6225 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6226
6227         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
6228         Take orig_loop argument and pass it to set_level.
6229         (schedule_sm): Pass the correct orig_loop to force_move_till.
6230
6231 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6232
6233         * cfgloop.c (update_latch_info): Update dominator of the new block.
6234         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
6235         info.
6236         * dominance.c (verify_dominators): Check that the dominance tree is
6237         connected.
6238         (recount_dominator): Ignore unreachable blocks.
6239         (iterate_fix_dominators): Cleanup old dominance information before
6240         recomputing it.
6241
6242 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6243
6244         * tree-ssa-operands.c (get_expr_operands): Revert changes
6245         to ADDR_EXPR processing introduced by:
6246             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6247             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
6248
6249 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
6250
6251         * doc/implement-c.texi: Add C90 subclause references.  Point to
6252         preprocessor documentation instead of duplicating it.  Add points
6253         only present in C90.  Fill in documentation for all points.
6254
6255 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6256
6257         * pa.c (output_movb): Correct typo.
6258
6259 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
6260
6261         * ra.h (single_reg_in_regclass): Declare.
6262         * ra.c (single_reg_in_regclass): Define.
6263         (first_hard_reg): New.
6264         (init_ra): Initialize single_reg_in_regclass.
6265         * ra-colorize.c (ok_class): New.
6266         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
6267
6268 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
6269
6270         * gcov-io.h: Allow zero tag as EOF indicator.
6271         (gcov_is_eof): Remove.
6272         (gcov_truncate): Remove.
6273         * gcov-io.c (gcov_seek): Always SEEK_SET.
6274         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
6275         EOF tag.
6276         * coverage.c (read_counts_file): Don't use gcov_is_eof.
6277         * gcov-dump.c (dump_file): Likewise.
6278         * gcov.c (read_graph_file, read_count_file): Likewise.
6279
6280         * c-decl.c (complete_array_type): Don't gratuitously copy
6281         maxindex.  Check it always has a type.
6282
6283 2004-07-29  Steven Bosscher  <stevenb@suse.de>
6284
6285         * rtl.c (currently_expanding_to_rtl): New.
6286         * rtl.h (currently_expanding_to_rtl): Export it.
6287         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
6288
6289         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
6290         inliner hack.
6291         * config/sh/sh.c: Replace rtx_equal_function_value_matters
6292         with currently_expanding_to_rtl.
6293         * config/sh/sh.md: Likewise.
6294         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
6295
6296 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6297
6298         Introduce sh2a support.
6299         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6300         * config.gcc: Build multilibs for sh2a and sh2a-single by
6301         default.
6302         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
6303         default.  Split their tests out of the corresponding SH4
6304         multilibs.
6305         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
6306         multilibs for SH2a.
6307         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6308         * config.gcc: Handle sh2a multilibs and cpu selection.
6309         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
6310         * config/sh/t-mlib-sh2a: New.
6311         * config/sh/t-mlib-sh2a-nofpu: New.
6312         * config/sh/t-mlib-sh2a-single: New.
6313         * config/sh/t-mlib-sh2a-single-only: New.
6314         2004-07-09  Nick Clifton  <nickc@redhat.com>
6315         Issue 43400
6316         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
6317         -ml and -m2a are used together.
6318         2004-03-23  DJ Delorie  <dj@redhat.com>
6319         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
6320         when we have a double-sized FPU.
6321         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6322         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
6323         is set.
6324         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
6325         -msh2a-single and -msh2a-single-only
6326         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6327         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
6328         is set.
6329         2004-02-20  DJ Delorie  <dj@delorie.com>
6330         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
6331         2004-02-20  Fred Fish <fnf@redhat.com>,
6332         Corinna Vinschen <vinschen@redhat.com>
6333         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
6334         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
6335         2004-02-18  DJ Delorie  <dj@redhat.com>
6336         * config/sh/sh.c (broken_move): Add support for movi20.
6337         * config/sh/sh.h: Likewise.
6338         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
6339         * config/sh/sh.md (udivsi3_sh2a): New.
6340         (udivsi3): Call it.
6341         (divsi3_sh2a): New.
6342         (divsi3): Call it.
6343         (mul_r): New.
6344         (ashlsi3_sh2a): New.
6345         (ashrsi3_sh2a): New.
6346         (lshrsi3_sh2a): New.
6347         (movsi_i): Disable for sh2a.
6348         (movsi_ie): Add movi20.
6349         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
6350         sh2a, for -m2a-nofpu mode.
6351         2004-02-13  DJ Delorie  <dj@redhat.com>
6352         * config/sh/lib1funcs.asm: Handle double vs single better.
6353         * config/sh/sh.h: Likewise.
6354         2004-02-09  DJ Delorie  <dj@redhat.com>
6355         * config/sh/crt1.asm: Add support for sh2a.
6356         * config/sh/elf.h: Likewise.
6357         * config/sh/lib1funcs.asm: Likewise.
6358         * config/sh/sh.c: Likewise.
6359         * config/sh/sh.md: Likewise.
6360         * config/sh/sh.h: Likewise.
6361         * config/sh/t-sh: Likewise.
6362
6363 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6364
6365         * config/frv/frv.md (movqi_internal, movhi_internal,
6366         movsi_internal): Add backup alternatives for memory inputs.
6367
6368 2004-07-28  Matt Austern  <austern@apple.com>
6369
6370         * config/darwin.c (darwin_one_byte_bool): New global variable.
6371         * config/darwin.h (darwin_one_byte_bool): Declare.
6372         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
6373         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
6374         value of darwin_one_byte_bool.
6375         * doc/invoke.texi: Document -mone-byte-bool flag.
6376
6377 2004-07-28  Eric Christopher  <echristo@redhat.com>
6378
6379         * c-common.c (c_common_unsafe_for_reeval): Delete.
6380         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
6381         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
6382         * calls.c (fix_unsafe_tree): Delete.
6383         (expand_call): Delete code which used above.
6384         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
6385         * expr.c (expand_expr_real_1): Ditto.
6386         * fold-const.c (non_lvalue): Ditto.
6387         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6388         (lhd_unsafe_for_reeval): Ditto.
6389         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
6390         * langhooks.h (unsafe_for_reeval): Ditto.
6391         (unsave_expr_now): Adjust comment.
6392         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
6393         (estimate_num_insns_1): Ditto.
6394         * tree-pretty-print.c (dump_generic_node): Ditto.
6395         * tree.c (expr_align): Ditto.
6396         (unsave_expr): Delete.
6397         (unsafe_for_reeval): Ditto.
6398         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
6399         * tree.def (UNSAVE_EXPR): Delete.
6400         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6401
6402 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
6403
6404         * tree.h (enum tls_model): Move ...
6405         * coretypes.h: ... here.
6406
6407 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
6408
6409         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
6410
6411 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6412
6413         * cse.c (validate_canon_reg): New function, split out from...
6414         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
6415
6416 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6417
6418         * tree-ssa-alias.c (maybe_create_global_var): Don't just
6419         return if .GLOBAL_VAR has been created.
6420
6421 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6422
6423         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
6424         every variable that may have aliases, not just tags.
6425
6426 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
6427
6428         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
6429         move_from_CR_eq_bit.
6430         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
6431
6432
6433         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
6434         e500_flip_eq_bit.
6435
6436         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
6437         output_e500_flip_eq_bit.
6438
6439         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
6440         output_e500_flip_eq_bit.
6441         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
6442         output_e500_flip_eq_bit.
6443         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
6444         (print_operand): case D.  Get to EQ bit.
6445
6446 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6447
6448         * gcov.c (function_summary): Add missing \n.
6449
6450 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6451
6452         Introduce sh4a support.
6453         * config.gcc: Handle sh4a multilibs and cpu selection.
6454         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
6455         * config/sh/t-mlib-sh4a: New.
6456         * config/sh/t-mlib-sh4al: New.
6457         * config/sh/t-mlib-sh4a-nofpu: New.
6458         * config/sh/t-mlib-sh4a-single: New.
6459         * config/sh/t-mlib-sh4a-single-only: New.
6460         2004-02-20  DJ Delorie  <dj@redhat.com>
6461         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
6462         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
6463         2003-08-22  Eric Christopher  <echristo@redhat.com>
6464         * config/sh/sh4a.md: Update for chip errata.
6465         2003-08-07  Eric Christopher  <echristo@redhat.com>
6466         * config/sh/sh4a.md: New file. sh4a processor description.
6467         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
6468         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
6469         of -m4a-nofpu.
6470         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
6471         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
6472         * doc/invoke.texi (SH Options): Document -m4al.
6473         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
6474         * config/sh/sh.c (expand_block_move): Remove commented-out code
6475         checked in by mistake.
6476         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
6477         single elements from SFmode vectors.
6478         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
6479         register.
6480         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
6481         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
6482         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
6483         sh_fsca_int2sf): Remove variable declarations.
6484         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6485         sh_fsca_int2sf): New functions.
6486         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
6487         sh_fsca_int2sf_rtx): New static variables.
6488         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
6489         sh_fsca_int2sf): Declare.
6490         * config/sh/sh.md: Adjust.
6491         * doc/invoke.texi (SH Options): Document new options.
6492         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
6493         compatibility from SH4 code.
6494         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
6495         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
6496         early.
6497         (memory_movsrc_operand): Renamed to...
6498         (unaligned_load_operand): ... this.  Simplified.
6499         * config/sh/sh.h (PREDICATE_CODES): Adjust.
6500         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
6501         input operand to SImode, and adjust the others.  Introduce
6502         post-increment by peephole.
6503         * config/sh/sh.c (expand_block_move): Give the target address the
6504         same mode as the temp reg.
6505         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
6506         copying.
6507         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
6508         Introduce support for SH4a.
6509         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
6510         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
6511         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6512         sh_fsca_int2sf): New.
6513         (sh_init_builtins): Initialize them.
6514         (print_operand): Support `d'.
6515         (expand_block_move): Use movua if src is misaligned.
6516         (memory_movsrc_operand): New.
6517         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
6518         and one of the SH4 macros.
6519         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
6520         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
6521         SELECT_SH4A_SINGLE): New.
6522         (TARGET_NONE): Add SH4A_BIT.
6523         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
6524         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
6525         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
6526         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
6527         (enum processor_type): Added PROCESSOR_SH4A.
6528         (PREDICATE_CODES): Add memory_movsrc_operand.
6529         * config/sh/sh.md: Removed unused variables.
6530         (attr cpu): Add sh4a.
6531         (attr type): Add movua, fsrra and fsca.
6532         (prefetch): New, for SH4.
6533         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
6534         (toggle_sz): Set type to fp.
6535         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
6536         (movua, extv, extzv): New.
6537         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
6538         and 4a-single-only.
6539
6540 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6541
6542         * tree-optimize.c (init_tree_optimization_passes): Schedule
6543         pass_may_alias right after the program is renamed into SSA.
6544         * tree-pass.h (PROP_alias): Define.
6545         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
6546         * tree-sra.c (pass_sra): Likewise.
6547         * tree-ssa-ccp.c (pass_ccp): Likewise.
6548         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
6549         * tree-ssa-dce.c (pass_dce): Likewise.
6550         * tree-ssa-dom.c (pass_dominator): Likewise.
6551         * tree-ssa-dse.c (pass_dse): Likewise.
6552         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
6553         * tree-ssa-loop-ch.c (pass_ch): Likewise.
6554         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
6555         * tree-ssa-pre.c (pass_pre): Likewise.
6556         * tree-tailcall.c (pass_tail_recursion): Likewise.
6557         * tree-ssa.c (pass_redundant_phi): Likewise.
6558         * tree-ssa-alias.c (aliases_computed_p): Remove.
6559         Update all users.
6560         (init_alias_info): Do not mark all type tags for renaming
6561         unconditionally.
6562         Clear may_aliases from every symbol.
6563         (setup_pointers_and_addressables): If a pointer has not been
6564         dereferenced and it had a type tag, clear it and mark the old
6565         tag for renaming.
6566
6567 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6568
6569         PR tree-optimization/16705
6570         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
6571         .GLOBAL_VAR.
6572
6573 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6574
6575         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
6576         check.
6577
6578         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
6579         don't make another one.
6580
6581         PR optimization/15077
6582         * function.h (struct function): Add field saved_static_chain_decl.
6583         Fix comment for static_chain_decl.
6584         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
6585         * tree-inline.h (save_body): Add new arg.
6586         * tree-optimize.c (tree_rest_of_compilation): Handle saving
6587         static_chain_decl.
6588
6589 2004-07-27  Richard Henderson  <rth@redhat.com>
6590
6591         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
6592         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
6593         is_gimple_addressable.
6594         * tree-gimple.c (is_gimple_addressable): Rename from
6595         is_gimple_addr_expr_arg; accept INDIRECT_REF.
6596         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
6597         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
6598         rename to is_gimple_addressable.
6599
6600 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
6601
6602         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
6603
6604 2004-07-27  Richard Henderson  <rth@redhat.com>
6605
6606         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
6607         before rounding.
6608
6609 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
6610
6611         * libgcc2.c: Change all conditionals testing
6612         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
6613         * libgcc2.h: Likewise.
6614         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
6615         TYPE_PRECISION of float80_type to 80.
6616         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
6617         of fpreg_type and float80_type to 80.
6618         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
6619         * config/m68k/netbsd-elf.h:
6620         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
6621         to evaluate to 80 whenever they would formerly have evaluated to 96.
6622         * config/i386/sco5.h: Remove unnecessary redefinition of
6623         LONG_DOUBLE_TYPE_SIZE.
6624         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
6625         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
6626         XFmode, with a bitsize of 80.  Update commentary.
6627         * config/ia64/ia64-modes.def: Likewise.
6628         * config/m68k/m68k-modes.def: Likewise.
6629
6630 2004-07-27  Steven Bosscher  <stevenb@suse.de>
6631
6632         * cfgexpand.c (tree_expand_cfg): Fix comment.
6633
6634         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
6635         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
6636         Remove.
6637         (prepare_function_start): Don't set rtx_equal_function_value_matters.
6638         * integrate.c (copy_rtx_and_substitute): Don't test for it.
6639         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
6640         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
6641         here again.  Update leading comment.
6642         * rtl.c (rtx_equal_function_value_matters): Remove.
6643         (rtx_equal_p): Don't test for it.
6644         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
6645         Likewise.
6646
6647         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
6648         * rtl.c (note_insn_name): Likewise.
6649         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
6650         * final.c (final_scan_insn): Likewise.
6651
6652         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
6653         * passes.c (rest_of_handle_eh): Do it here.
6654
6655         * stmt.c (struct nesting): Remove struct nesting block member.
6656         (struct stmt_status): Remove x_block_start_count field.
6657         (current_block_start_count): Remove.
6658
6659 2004-07-27  Brian Booth  <bbooth@redhat.com>
6660
6661         * tree-optimize.c (register_one_dump_file): Update condition that uses
6662         static_pass_number.
6663         (dup_pass_1): Replace with...
6664         (next_pass_1): This.
6665         (NEXT_PASS): Call next_pass_1.
6666         (DUP_PASS): Remove.
6667         (init_tree_optimization_passes): Remove uses of DUP_PASS.
6668         (execute_one_pass): Update condition that uses
6669         static_pass_number.
6670         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
6671         integer.
6672
6673 2004-07-27  Nick Clifton  <nickc@redhat.com>
6674
6675         * config/m32r/m32r.c: Include integrate.h in order to get the
6676         prototype for get_hard_reg_initial_val().
6677
6678         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
6679         and tidy up indentation.
6680         (final_presence_set): Use absence_set instead, so that if there is
6681         nothing in the "o" pipe the "s" pipe can be scheduled.
6682
6683 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
6684
6685         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
6686         don't have PT_VARS nor PT_MALLOC set.
6687         Clear name tag from pointers that have not been dereferenced.
6688         (set_pt_anything, set_pt_malloc): Forward declare.
6689         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
6690         not type compatibility when determining if a pointer can be
6691         copy propagated.
6692
6693 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
6694
6695         * expr.h (canonicalize_condition, get_condition): Add an int argument.
6696         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
6697         it to check whether the condition is still valid at the jump insn.
6698         * ifcvt.c (noce_get_condition): Likewise.
6699         (noce_get_alt_condition): Update call to canonicalize_condition.
6700         * loop-iv.c (simplify_using_initial_values): Update call to
6701         get_condition.  Remove FIXME.
6702         (check_simple_exit): Update call to get_condition.
6703         * loop-unswitch.c (may_unswitch_on): Likewise.
6704         * loop.c (check_dbra_loop): Likewise.
6705         (canonicalize_condition, get_condition): Add an argument to say whether
6706         the condition must still be valid at INSN.
6707         (get_condition_for_loop): Update call to get_condition.  Require that
6708         the condition be valid at INSN.
6709         * predict.c (estimate_probability): Update call to get_condition.
6710         Remove unused earliest parameter.
6711         (expected_value_to_br_prob): Update call to canonicalize_condition.
6712
6713 2004-07-26  Eric Christopher  <echristo@redhat.com>
6714
6715         * tree-dfa.c (add_referenced_var): Register initializers of global
6716         variables.
6717
6718 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
6719
6720         * config/i386/i386.c (function_arg): Always treat 8-
6721         and 16-byte wide vectors the same, even if MMX/SSE
6722         are disabled.
6723         (contains_128bit_aligned_vector_p): Add comment.
6724
6725 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
6726
6727         * ra.h (enum node_type): Rename to:
6728         (enum ra_node_type).
6729         * ra-colorize.c: Likewise.
6730
6731 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
6732
6733         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
6734         after simplifying the jump.
6735
6736 2004-06-26  Richard Henderson  <rth@redhat.com>
6737
6738         * calls.c (combine_pending_stack_adjustment_and_call): Make
6739         preferred_unit_stack_boundary argument unsigned.  Make
6740         unadjusted_alignment unsigned.
6741         (expand_call): Make preferred_stack_boundary and
6742         preferred_unit_stack_boundary variables unsigned.
6743         * function.c (assign_stack_local_1): Make alignment unsigned.
6744         * function.h (struct function): Make stack_alignment_needed,
6745         preferred_stack_boundary unsigned.
6746         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
6747         (ix86_compute_frame_layout): Make stack_alignment_needed,
6748         preferred_alignment variables unsigned.
6749         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
6750
6751 2004-07-26  Tom Tromey  <tromey@redhat.com>
6752
6753         * tree.h: Fix typo in comment.
6754
6755 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
6756
6757         PR bootstrap/12804
6758         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
6759         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
6760         (ggc_free): Remove incorrect freeing.
6761         (sweep_pages): Advance PP for large pages.  Fix indentation.
6762
6763 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
6764
6765         PR rtl-optimization/16643
6766         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
6767         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
6768         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
6769         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
6770         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
6771         * function.c (thread_prologue_and_epilogue_insns): Likewise.
6772         * rtl.h (tracer): Add a flags parameter.
6773         * tracer.c (tracer): Pass it to cfg_layout_initialise.
6774         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
6775         (rest_of_handle_reorder_blocks): Update calls to tracer and
6776         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
6777         (rest_of_handle_tracer): Pass 0 to tracer.
6778         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
6779
6780 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
6781
6782         PR target/16239
6783         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
6784         f->f.
6785
6786 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
6787
6788         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
6789         (BINFO_BASE_ACCESS): Adjust.
6790         (BINFO_BASE_ACCESS_APPEND): New.
6791         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
6792         * dbxout.c (dbxout_type): Adjust binfo access accessing.
6793         * dwarf2out.c (gen_member_die): Likewise.
6794         * tree-dump.c (deque_and_dump): Likewise.
6795
6796 2004-07-26  Falk Hueffner  <falk@debian.org>
6797
6798         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
6799         costs.
6800
6801 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6802
6803         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
6804         value off of the stack if TARGET_USE_FFREEP.
6805
6806 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6807
6808         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
6809         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
6810         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
6811         check on invocation of XRESIZEVEC ().
6812
6813 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6814
6815         * c-common.c (disable_builtin_function): Rename variable n to
6816         new_disabled_builtin.
6817         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
6818         Rename local variable old to old_decl.
6819         * gensupport.c (shift_output_template): Rename parameter old to src.
6820         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
6821         old_rtx and newx to new_rtx.
6822
6823 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
6824
6825         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
6826         of c-pragma.h.
6827         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
6828         enum cpp_ttype.
6829         * c-lex.c: Likewise.
6830
6831 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6832
6833         * fold-const.c (constant_boolean_node): Make extern.
6834         (make_range): Wrap long lines.
6835         (fold_cond_expr_with_comparison): Remove unnecessary call to
6836         pedantic_non_lvalue.  Add missing calls to fold_convert.
6837         (fold_truthop): Add missing calls to fold_convert.
6838         (fold): Likewise.
6839         * tree.h (constant_boolean_node): Add prototype here.
6840         * builtins.c (expand_builtin_strncmp): Add missing calls to
6841         fold_convert.
6842         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
6843         Call fold_convert and constant_boolean_node to correct types.
6844         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
6845         missing call to fold_convert to correct types.
6846
6847 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
6848             Brian Ryner  <bryner@brianryner.com>
6849
6850         PR c++/9283
6851         PR c++/15000
6852         * c-common.c (c_common_attribute_table): Allow
6853         handle_visibility_attribute to be called for types.
6854         (handle_visibility_attribute) When given a type, set the visibility
6855         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
6856         so that we can check later whether the attribute was present. Added
6857         warning if attribute applied to non class type.
6858         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
6859         decls and checking that they are consistent.
6860         * common.opt: Added -fvisibility.
6861         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
6862         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
6863         * flags.h, tree.h: Added assorted support defines for overall patch
6864         * opts.c: Added parsing support for -fvisibility.
6865         * tree.c (build_decl): Set visibility for all decls to be whatever
6866         is in force at that time.
6867         * varasm.c (default_binds_local_p_1): Reworked logic determining
6868         when to make a symbol locally bound.
6869         * doc/invoke.texi: Added documentation for -fvisibility and
6870         -fvisibility-inlines-hidden.
6871
6872 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6873
6874         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
6875         * c-common.c: Add missing casts from void * to other types.
6876         * c-decl.c: Likewise.
6877         * c-format.c: Likewise.
6878         * c-lex.c: Likewise.
6879         * c-pragma.c: Likewise.
6880         * c-typeck.c: Likewise.
6881         * defaults.h: Likewise.
6882         * genconstants.c: Likewise.
6883         * gengtype-lex.l: Likewise.
6884         * genmodes.c: Likewise.
6885         * read-rtl.c: Likewise.
6886         * rtl.c: Likewise.
6887
6888 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6889
6890         * bitmap.c: Use type-safe memory allocation macros from libiberty.
6891         * c-common.c: Likewise.
6892         * c-decl.c: Likewise.
6893         * c-lang.c: Likewise.
6894         * c-lex.c: Likewise.
6895         * c-opts.c: Likewise.
6896         * c-parse.in: Likewise.
6897         * c-typeck.c: Likewise.
6898         * genconditions.c: Likewise.
6899         * gengtype-lex.l: Likewise.
6900         * gengtype-yacc.y: Likewise.
6901         * gengtype.c: Likewise.
6902         * genmodes.c: Likewise.
6903         * gensupport.c: Likewise.
6904         * read-rtl.c: Likewise.
6905         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
6906         htab_find_slot().
6907
6908 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6909
6910         * c-decl.c (groktypename, groktypename_in_param_context): Rename
6911         variable typename to type_name.
6912         * c-lex.c (interpret_float): Likewise.
6913
6914 2004-07-25  Roger Sayle  <roger@eyesopen.com>
6915
6916         * convert.c (convert_to_real, convert_to_integer,
6917         convert_to_complex): Replace calls to build with calls to buildN.
6918         * coverage.c (tree_coverage_counter_ref): Likewise.
6919         * dojump.c (do_jump): Likewise.
6920         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
6921         * emit-rtl.c (component_ref_for_mem_expr,
6922         set_mem_attributes_minus_bitpos): Likewise.
6923         * explow.c (update_nonlocal_goto_save_area): Likewise.
6924         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
6925         expand_mult_add): Likewise.
6926         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
6927         store_constructor, get_inner_reference, expand_expr_real_1,
6928         try_casesi, try_tablejump): Likewise.
6929         * function.c (expand_function_start): Likewise.
6930         * stmt.c (emit_case_bit_tests, expand_end_case_type,
6931         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
6932         * stor-layout.c (place_union_field, layout_type): Likewise.
6933         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
6934         * varasm.c (copy_constant): Likewise.
6935
6936 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6937
6938         * c-common.c: Rename all identifiers named `new'.
6939         * c-decl.c: Likewise.
6940         * gensupport.c: Likewise.
6941         * simplify-rtx.c: Likewise.
6942         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
6943         with XNEW().
6944         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
6945         with XNEWVEC().
6946
6947 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
6948
6949         PR c/15360
6950         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
6951         declarations until after calling pushdecl.
6952         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
6953         "extern" and not on whether the declaration is initialized.
6954
6955 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
6956
6957         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
6958         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
6959         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
6960         "cpplib.h", "c-pragma.h", "c-common.h".
6961         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
6962         (solaris_register_pragmas): New functions.
6963         * config/sol2-protos.h: New file.
6964         * config/sol2.c: New file.
6965         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
6966         (REGISTER_TARGET_PRAGMAS): New macros.
6967         (solaris_pending_aligns, solaris_pending_inits)
6968         (solaris_pending_finis): New variables.
6969         * config/t-sol2 (sol2-c.o): Update dependencies.
6970         (sol2.o): New rule.
6971         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
6972         SUBTARGET_INSERT_ATTRIBUTES.
6973         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
6974         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6975         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6976         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6977         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
6978         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
6979         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
6980         * config/sparc/sparc.c (sparc_attribute_table): New.
6981         (TARGET_INSERT_ATTRIBUTES): Define in terms of
6982         SUBTARGET_INSERT_ATTRIBUTES.
6983         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
6984         is defined.
6985         * doc/extend.texi (Solaris Pragmas): New section.
6986
6987 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
6988
6989         * c-common.c: Rename all identifiers named `class' to `cl'.
6990         * c-common.h: Likewise.
6991         * c-parse.in: Likewise.
6992         * c-typeck.c: Likewise.
6993         * genmodes.c: Likewise.
6994         * real.c: Likewise.
6995         * real.h: Likewise.
6996         * recog.c: Likewise.
6997         * recog.h: Likewise.
6998         * regrename.c: Likewise.
6999         * tree.h: Likewise.
7000         * c-common.c (builtin_function_2): Change type of 5th parameter from
7001         int to enum built_in_function. Change type of 8th parameter from int
7002         to bool.
7003         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
7004         with GGC_CNEW().
7005         * c-typeck.c (convert_arguments): Change type of formal_prec from
7006         int to unsigned int.
7007         * genmodes.c (blank_mode): Make a few negative constants unsigned.
7008         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
7009         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
7010         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
7011         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
7012         iterator to for_all_modes () instead of an enum because enums can't
7013         be incremented in C++.
7014
7015
7016 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
7017
7018         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
7019         hard registers.
7020
7021 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7022
7023         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
7024         Handle ARRAY_RANGE_REF like ARRAY_REF.
7025
7026 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
7027
7028         * c-typeck.c (digest_init): Don't allow arrays of signed or
7029         unsigned variants of wchar_t to be initialized by wide string
7030         constants.  Do allow arrays of enumerated types compatible with
7031         wchar_t to be initialized by wide string constants.  Refine tests
7032         distinguishing wide and narrow strings and arrays.  Give specific
7033         error for arrays of other integer types initialized by string
7034         constants.
7035         (output_init_element, process_init_element): Check for
7036         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
7037         initializing with string constants.
7038
7039 2004-07-25  Richard Henderson  <rth@redhat.com>
7040
7041         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
7042         on the RESULT_DECL.
7043         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
7044         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
7045         DECL_IGNORED_P to new decl.
7046
7047 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
7048
7049         * config/ia64/ia64.c (general_xfmode_operand)
7050         (destination_xfmode_operand): Delete.
7051         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
7052         * config/ia64/ia64.md (*movxf_internal): Use general_operand
7053         and destination_operand.
7054
7055 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7056
7057         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
7058         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
7059
7060 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7061             Zack Weinberg  <zack@codesourcery.com
7062
7063         PR 16684
7064         * c-decl.c (diagnose_mismatched_decls): Don't issue a
7065         redundant-declaration warning the first time a builtin is
7066         declared explicitly.
7067
7068 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7069
7070         * tree.h (staticp): Change return type to bool.
7071
7072 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7073
7074         * c-common.c (c_staticp): Last episode of the staticp saga.
7075
7076 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7077
7078         * c-common.h (c_staticp): Change return type from int to bool.
7079         * tree.c (staticp): Likewise.
7080         * langhooks.h (staticp): Likewise.
7081
7082 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7083
7084         * langhooks-def.h (lhd_staticp): Change return type from int to
7085         bool in prototype to match definition.
7086
7087 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7088
7089         * system.h (bool, true, false): Don't redefine as preprocessor macros
7090         in C++.
7091
7092 2004-07-24  Roger Sayle  <roger@eyesopen.com>
7093
7094         * expmed.c (init_expmed): A signed modulus by a power of two is
7095         considered cheap if its less than or equal to four instructions.
7096
7097 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7098
7099         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
7100         GGC_CNEWVAR): New macros.
7101
7102 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7103
7104         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
7105         lists.
7106         * c-decl.c: Likewise.
7107         * c-format.c: Likewise.
7108         * c-lex.c: Likewise.
7109         * c-opts.c: Likewise.
7110         * c-pragma.c: Likewise.
7111         * c-typeck.c: Likewise.
7112         * gencheck.c: Likewise.
7113         * genconditions.c: Likewise.
7114         * genconfig.c: Likewise.
7115         * genflags.c: Likewise.
7116         * gengtype.c: Likewise.
7117         * gensupport.c: Likewise.
7118         * ggc-none.c: Likewise.
7119         * langhooks.c: Likewise.
7120         * statistics.h: Likewise.
7121         * stub-objc.c: Likewise.
7122         * java/decl.c: Likewise.
7123
7124 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
7125
7126         * config/m68k/m68k.c (output_scc_di): Fix coding style.
7127         (symbolic_operand): Fix prototype.
7128         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
7129         * config/m68k/m68k.md: Add constants for registers a0 and sp and
7130         use them, change from the "{...}" syntax to the simpler {...}
7131         syntax.
7132         (*cfv4_extendqisi2): Fix destination predicate.
7133         * config/m68k/m68k-protos.h: Remove various declarations also
7134         generated via PREDICATE_CODES.
7135
7136 2004-07-23  Mike Stump  <mrs@apple.com>
7137
7138         * c-typeck.c (convert_for_assignment): Tightened up pointer
7139         converstions that differ in signedness.
7140
7141 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7142
7143         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
7144
7145 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7146
7147         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
7148         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
7149
7150         * gimplify.c (gimplify_compound_lval): Check for no handled
7151         operations, rather than checking for explicit list of nodes.
7152         (is_gimple_addr_expr_arg_or_indirect): New function.
7153         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
7154         redundant setting of TREE_INVARIANT.
7155         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
7156         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
7157
7158 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
7159
7160         PR tree-optimization/16688
7161         PR tree-optimization/16689
7162         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
7163         unnecessary initialization of 'tag'.
7164         (get_tmt_for): Check that the new type tag has the same alias
7165         set as the pointed-to type.
7166         (group_aliases): Only regular variables need to be removed
7167         from the alias set of a name tag.
7168         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
7169         propagation if the two types are not compatible.
7170         (merge_alias_info): Rename from replace_ssa_names_ann.
7171         Add more checking.
7172         (replace_exp_1): If both arguments are SSA_NAMEs, check that
7173         the propagation can be done.
7174         Only call merge_alias_info on pointers.
7175         (propagate_value): Likewise.
7176         * tree-ssa-copyrename.c: Include langhooks.h.
7177         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
7178         to do the merging.
7179         Do not coalesce variables with incompatible types.
7180         (rename_ssa_copies): Call replace_ssa_name_symbol.
7181         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
7182         the same type as the underlying _DECL.
7183         * tree-ssanames.c (replace_ssa_name_symbol): New function.
7184         * tree.h (replace_ssa_name_symbol): Declare.
7185
7186 2004-07-23  Richard Henderson  <rth@redhat.com>
7187
7188         PR c++/16277
7189         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
7190         unshare it properly.
7191         (gimplify_modify_expr_rhs): Push assignment from a conditional into
7192         the conditional for all non-register types.
7193
7194 2004-07-23  Richard Henderson  <rth@redhat.com>
7195
7196         * expr.c (expand_expr_real_1): Don't handle non-local variables.
7197         * expr.h (fix_lexical_addr): Remove.
7198         * function.c (NEED_SEPARATE_AP): Remove.
7199         (fix_lexical_addr): Remove.
7200         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
7201         not null decl_function_context.
7202         (create_alias_vars): Likewise.
7203         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
7204         (simple_goto_p): Likewise.
7205         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
7206         * tree-ssa-ccp.c (get_default_value): Likewise.
7207         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
7208         * tree.c (needs_to_live_in_memory): Likewise.
7209         * tree-flow-inline.h (may_be_aliased): Move...
7210         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
7211         when TREE_STATIC variables may be addressable.
7212
7213 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
7214
7215         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
7216
7217 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7218
7219         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
7220         bitmap contents if GENERATOR_FILE is defined.
7221         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
7222         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
7223
7224 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
7225
7226         * c-decl.c (start_function): Form composite type of function types
7227         rather than copying type from previous prototype declaration.
7228
7229 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
7230
7231         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
7232         the const qualifier for the second argument in the C++ functions.
7233
7234         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
7235         specific pointer types.
7236
7237         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
7238         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
7239         for vector bool and/or vector pixel, add C++ and C missing support.
7240         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
7241         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
7242         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
7243         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
7244         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
7245         missing C++ and C support for vector bool and/or vector pixel.
7246         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
7247         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
7248         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
7249         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
7250         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
7251         C++ and C types used for vector bool and/or vector pixel.
7252         (vec_st, vec_stl): Add C++ support for vector pixel.
7253         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
7254         (vec_all_ne): Add C++ support for vector pixel.
7255
7256         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
7257         (vec_vmulesb): Add missing C++ function.
7258         (vec_perm): Fix type of third argument in C++ function.
7259         (vec_vsum4shs): Fix C++ function name.
7260         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
7261         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
7262         argument passed to the error handler in C macro.
7263         (vec_nmsub): Remove extra parens around argument names in C macro.
7264         (vec_packpx): Add missing parens in C macro.
7265
7266 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7267
7268         * machmode.def: Remove vector modes.
7269         * config/alpha/alpha-modes.def: Add supported vector modes.
7270         * config/arm/arm-modes.def: Likewise.
7271         * config/frv/frv-modes.def: Likewise.
7272         * config/i386/i386-modes.def: Likewise.
7273         * config/rs6000/rs6000-modes.def: Likewise.
7274         * config/sh/sh-modes.def: Likewise.
7275
7276 2004-07-23  Matthias Klose  <doko@debian.org>
7277
7278         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
7279         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
7280         * config.h: Regenerate.
7281         * configure: Likewise.
7282
7283 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
7284
7285         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
7286         generated SYMBOL_REFs for labels.
7287         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
7288         Change prototype.
7289         (machopic_stub_name): Remove.
7290         (machopic_indirection_name): New function.
7291         (machopic_mcount_stub_name): Likewise.
7292         (machopic_classify_name): Remove.
7293         (machopic_function_base_sym): New function.
7294         (machpoic_classify_symbol): Likewise.
7295         (machopic_classify_ident): Remove.
7296         (machopic_define_ident): Likewise.
7297         (machopic_define_name): Likewise.
7298         (machopic_name_defined_p): Likewise.
7299         (machopic_ident_defined_p): Likewise.
7300         (darwin_strip_name_encoding): Likewise.
7301         (machopic_define_symbol): New function.
7302         * config/darwin.c (hashtab.h): Include.
7303         (machopic_defined_list): Remove.
7304         (machopic_classify_ident): Likewise.
7305         (machopic_classify_name): Likewise.
7306         (machopic_ident_defined_p): Likewise.
7307         (machopic_define_ident): Likewise.
7308         (machopic_define_name): Likewise.
7309         (machopic_symbol_defined_p): New function.
7310         (machopic_classify_symbol): Likewise.
7311         (machopic_data_defined_p): Use machopic_classify_symbol.
7312         (machopic_define_symbol): New function.
7313         (machopic_function_base_sym): New function.
7314         (machopic_non_lazy_pointers): Remove.
7315         (machopic_non_lazy_ptr_name): Likewise.
7316         (machopic_stubs): Likewise.
7317         (machopic_stub_name): Likewise.
7318         (NON_LAZY_POINTER_SUFFIX): New macro.
7319         (STUB_SUFFIX): Likewise.
7320         (machopic_indirection): New structure.
7321         (machopic_indirections): New variable.
7322         (machopic_indirection_hash): New function.
7323         (machopic_indirection_eq): Likewise.
7324         (machopic_indirection_name): Likewise.
7325         (machopic_mcount_stub_name): New function.
7326         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
7327         hash table.
7328         (machopic_indirect_data_reference): Rework to use new functions.
7329         (machopic_indirect_call_target): Likewise.
7330         (machopic_legitimize_pic_address): Likewise.
7331         (machopic_output_indirection): New function.
7332         (machopic_finish): Use it.
7333         (machopic_operand_p): Rework to use new functions.
7334         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
7335         (darwin_strip_name_encoding): Remove.
7336         (update_non_lazy_ptrs): Remove.
7337         (update_stubs): Likewise.
7338         (darwin_non_lazy_pcrel): Use new functions.
7339         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
7340         (ASM_OUTPUT_LABELREF): Likewise.
7341         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7342         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
7343         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
7344         (TARGET_STRIP_NAME_ENCODING): Do not use
7345         darwin_strip_name_encoding.
7346         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
7347         darwin_strip_name_encoding.
7348         * config/i386/darwin.h (FUNCTION_PROFILER): Use
7349         machopic_mcount_stub_name.
7350         * config/i386/i386.c (x86_output_mi_thunk): Use
7351         machopic_indirection_name, not machopic_stub_name.
7352         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
7353         machopic_function_base_sym.
7354         (print_operand): Use machopic_classify_symbol.
7355         (rs6000_emit_prologue): Use machopic_function_base_sym.
7356         (output_profile_hook): Do not use machopic_stub_name.
7357         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
7358
7359 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7360
7361         PR c/7284
7362         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
7363         as multiplication.
7364
7365 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7366
7367         * doc/implement-c.texi: New file.
7368         * doc/extend.texi (C Implementation): Move to there.
7369         * doc/gcc.texi: Include implement-c.texi.
7370         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
7371
7372 2004-07-22  Jason Merrill  <jason@redhat.com>
7373
7374         * integrate.c (copy_decl_for_inlining): Remove invisible reference
7375         handling.
7376         * tree-inline.c (setup_one_parameter): Likewise.
7377
7378 2004-07-22  Brian Booth  <bbooth@redhat.com>
7379
7380         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
7381         (substitute_and_fold): Propigate into VUSE operands when possible.
7382         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
7383         (cp_lattice_meet): Handle merging of latticevalues when
7384         UNKNOWN_VAL is present.
7385         (visit_stmt): Visit assignments with V_MUST_DEFs.
7386         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
7387         (ccp_fold): Deal with RHS' that are constant and virtual.
7388         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
7389         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
7390         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
7391         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
7392         computing immediate uses.
7393         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
7394         transition.
7395         (replace_vuse_in): New function.
7396         (likely_value): Add check of vuse operands.
7397         (get_default_value): Set the default value of virtually defined
7398         variables to UKNOWN_VAL instead of VARYING.
7399
7400 2004-07-22  Richard Henderson  <rth@redhat.com>
7401
7402         * expr.c (emit_push_insn): Don't use set_mem_attributes.
7403
7404 2004-07-22  Richard Henderson  <rth@redhat.com>
7405
7406         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
7407         variables due to conditional compilation.
7408
7409 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7410
7411         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
7412         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
7413         Release SSA names that have been re-renamed.
7414         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
7415         variable.
7416         * tree-ssa-alias.c (init_alias_info): If aliases have been
7417         computed before, clear existing alias information.
7418         (create_name_tags): Do no fixup PT_ANYTHING pointers.
7419         If the new name tag for a pointer is different than the one it
7420         had before, mark the old tag for renaming.
7421         (replace_may_alias): New function.
7422         (group_aliases): Call it.
7423         (setup_pointers_and_addressables): Always call get_tmt_for.
7424         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
7425         once.
7426         (set_pt_anything): New local function.
7427         (set_pt_malloc): New local function.
7428         (merge_pointed_to_info): Don't merge pointed-to variables from
7429         the original pointer if the destination is pointing to an
7430         unknown location.
7431         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
7432         (add_pointed_to_var): Do not add a variable to the points-to
7433         set if the pointer is already pointing to anywhere.
7434         (collect_points_to_info_r): If the defining statement is a PHI
7435         node, only merge pointed-to information if the argument has
7436         already been visited.
7437         (get_tmt_for): Only create a new tag if the pointer didn't
7438         have one already.
7439         (dump_alias_info): Emit more information.
7440         (dump_points_to_info_for): Likewise.
7441         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
7442         try to get the annotation of an SSA_NAME.
7443         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
7444         alias sets when checking is enabled.
7445         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
7446         (eliminate): Mark basic blocks that will need
7447         EH information cleaned up.
7448         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
7449         predecessor.
7450         Initialize need_eh_cleanup.
7451         (fini_pre): Call tree_purge_all_dead_eh_edges and
7452         cleanup_tree_cfg if needed.
7453         Free need_eh_cleanup.
7454         * tree-ssa.c (verify_ssa_name): New function.
7455         (verify_def): Call it.
7456         Re-arrange to avoid printing too many error messages.
7457         (verify_use): Likewise.
7458         (verify_phi_args): Likewise.
7459         (verify_flow_insensitive_alias_info): New function.
7460         (verify_flow_sensitive_alias_info): New function.
7461         (verify_alias_info): New function.
7462         (verify_ssa): Call verify_alias_info.
7463         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
7464         program.
7465         Re-arrange to avoid printing too many error messages.
7466         * tree-ssanames.c (make_ssa_name): Clear
7467         SSA_NAME_IN_FREE_LIST.
7468         (release_ssa_name): Never release a default definition.
7469         (release_defs): New function.
7470         * tree.h: Declare it.
7471         * tree-ssa-dce.c (remove_dead_stmt): Call it.
7472
7473 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7474
7475         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
7476         If true, do a depth-first search.  Do a breadht-first search,
7477         otherwise.
7478         (walk_use_def_chains): Add new argument IS_DFS.
7479         Update all users.
7480         * tree-flow.h (walk_use_def_chains): Update prototype.
7481
7482 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
7483
7484         * config/cris/cris.md: Tweak formatting.
7485         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
7486         (mover2side, moverside, movemside, movei, op3, andu): Replace
7487         live define_peephole:s with define_peephole2 near-equivalents.
7488         Delete the rest.
7489         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
7490         word-size modes.
7491         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
7492         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
7493         "*mov_sidesi_mem" respectively.
7494
7495 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7496
7497         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
7498         (gimplify_build1): Move from tree-complex.c do_unop.
7499         (gimplify_build2): Move from tree-complex.c do_binop.
7500         (gimplify_build3): New.
7501         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
7502         Adjust throughout to call the functions above.
7503         * tree-flow.h: Declare the functions above.
7504         * tree-nested.c (gimplify_val): Rename to...
7505         (tsi_gimplify_val): ... this.
7506
7507         * Makefile.in (tree_complex.o): Update dependencies.
7508         (stor-layout.o): Depend on regs.h.
7509         * c-common.c (handle_vector_size_attribute): Update for
7510         vector types without corresponding vector modes.
7511         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
7512         a corresponding vector mode is not available.
7513         * print-tree.c (print_node): Print nunits for vector types
7514         * regclass.c (have_regs_of_mode): New.
7515         (init_reg_sets_1): Initialize it and use it instead
7516         of allocatable_regs_of_mode.
7517         * regs.h (have_regs_of_mode): Declare it.
7518         * stor-layout.c (layout_type): Pick a mode for vector types.
7519         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
7520         build_replicated_const, do_unop, do_binop, do_plus_minus,
7521         do_negate, expand_vector_piecewise, expand_vector_parallel,
7522         expand_vector_addition, expand_vector_operations_1,
7523         expand_vector_operations, tree_lower_operations,
7524         pass_lower_vector_ssa, pass_pre_expand): New.
7525         (expand_complex_operations, pass_lower_complex): Remove.
7526         * tree-optimize.c (init_tree_optimization_passes): Adjust
7527         pass ordering for changes in tree-complex.c.
7528         * tree-pass.h: Declare new passes.
7529         * tree.c (finish_vector_type): Remove.
7530         (make_vector_type): New.
7531         (build_vector_type_for_mode, build_vector_type): Rewritten.
7532         * tree.def (VECTOR_TYPE): Document where the number of
7533         subparts is stored.
7534         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
7535         (make_vector): Remove declaration.
7536
7537 2004-07-21  Richard Henderson  <rth@redhat.com>
7538
7539         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
7540         TREE_THIS_VOLATILE, may_aliases, or optimization level.
7541         (remove_useless_vars): Dump debugging info.
7542         (expand_used_vars): Move ...
7543         * cfgexpand.c (expand_used_vars): ... here.  Make static.
7544         * tree-flow-inline.h (set_is_used): New.
7545         (set_default_def): Use get_var_ann.
7546         * tree-flow.h: Update decls.
7547         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
7548         (create_ssa_var_map): Use it.
7549         * tree-ssa.c (set_is_used): Remove.
7550
7551 2004-07-22  Ben Elliston  <bje@au.ibm.com>
7552
7553         * gdbinit.in: Set a breakpoint on internal_error.
7554
7555 2004-07-21  Richard Henderson  <rth@redhat.com>
7556
7557         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
7558         to create a new basic block.
7559
7560 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7561
7562         PR c/15052
7563         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
7564         return type on function definitions.  Move other warnings for
7565         qualified return type to -Wreturn-type.  Do not condition any such
7566         warnings on -pedantic.  Update comments.
7567         (start_function): Only copy function type from previous prototype
7568         declaration if return types are compatible.
7569         * c-typeck.c (function_types_compatible_p): Don't condition
7570         warning for incompatibility of volatile qualifiers on the return
7571         type on -pedantic.  Update comment.
7572         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
7573
7574 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7575
7576         * c-typeck.c (set_init_index): Require designator to be of integer
7577         type.
7578
7579 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7580
7581         PR c/11250
7582         * c-parse.in (init): Change to exprtype.
7583         (primary): Set original_code for STRING to STRING_CST.
7584         Call maybe_warn_string_init for compound literals.
7585         (initdcl, notype_initdcl): Call maybe_warn_string_init.
7586         (initval): Update.
7587         * c-tree.h (maybe_warn_string_init): New.
7588         (pop_init_level, process_init_element): Use struct c_expr.
7589         (struct c_expr): Update comment.
7590         * c-typeck.c (maybe_warn_string_init): New function.
7591         (digest_init): Call it.  Additional parameter strict_string.  All
7592         callers changed.
7593         (output_init_element): Likewise.
7594         (struct constructor_stack): Use struct c_expr for
7595         replacement_value.
7596         (really_start_incremental_init, push_init_level): Update.
7597         (pop_init_level): Update.  Return struct c_expr.
7598         (process_init_level): Update.  Take struct c_expr argument.
7599
7600 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
7601
7602         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
7603         commit.
7604
7605 2004-07-21  Eric Christopher  <echristo@redhat.com>
7606
7607         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
7608         removal.
7609         * c-decl.c (pop_scope): Ditto.
7610         * calls.c (expand_call): Remove call to current_nesting_level,
7611         update comment accordingly. Remove calls to expand_start_target_temps
7612         and expand_end_target_temps.
7613         * cfgexpand.c (construct_init_block): Remove call to
7614         expand_start_bindings_and_block.
7615         (construct_exit_block): Remove call to expand_end_bindings.
7616         * expr.c (safe_from_p): Remove BIND_EXPR handling.
7617         (expand_expr_real_1): Ditto. Fix formatting.
7618         (expand_vars): Delete.
7619         * stmt.c (POPSTACK): Remove block_stack.
7620         (stmt_status): Remove x_block_stack.
7621         (block_stack): Delete.
7622         (expand_start_bindings_and_block): Ditto.
7623         (expand_start_target_temps): Ditto.
7624         (expand_end_target_temps): Ditto.
7625         (current_nesting_level): Ditto.
7626         (warn_about_unused_variables): Ditto.
7627         (expand_end_bindings): Ditto.
7628         * tree.h: Remove declarations for above.
7629
7630 2004-07-21  Steven Bosscher  <stevenb@suse.de>
7631
7632         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
7633         * rtl.c (note_insn_name): Likewise.
7634         * print-rtl.c (print_rtx): Don't print it.
7635         * cfgrtl.h (can_delete_note_p): Don't handle it.
7636         (rtl_delete_block): Likewise.
7637         * passes.c (rest_of_handle_guess_branch_prob): Remove.
7638         (rest_of_compilation): Don't call it.
7639         * predict.c (process_note_predictions, process_note_prediction,
7640         note_prediction_to_br_prob): Remove.
7641         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
7642         * stmt.c (return_prediction): Remove.
7643         (expand_value_return): Don't call it.  Don't add prediction
7644         notes for return statements.
7645
7646 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
7647
7648         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
7649         once.
7650
7651 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
7652
7653         * c-common.c (vector_types_convertible_p): Use vector types'
7654         TYPE_SIZE and TREE_TYPE instead of their mode.
7655         * convert.c (convert_to_integer): Likewise.
7656         (convert_to_vector): Likewise.
7657         * fold-const.c (fold_convert): Likewise.
7658         * varasm.c (output_constant): Likewise.
7659         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
7660         Allow a VECTOR_TYPE initializer to be made of several vectors.
7661         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
7662         of cleared and need_to_clear, and use fold_convert.
7663         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
7664         integer vectors.
7665
7666 2004-07-20  Richard Henderson  <rth@redhat.com>
7667
7668         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
7669         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
7670
7671 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
7672
7673         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
7674         enormous cost if not TARGET_HARD_MUL.
7675
7676 2004-07-20  Andrew Pinski  <apinski@apple.com>
7677
7678         PR target/16557
7679         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
7680         (ASM_SPEC): here.
7681
7682 2004-07-21  Paul brook  <paul@codesourcery.com>
7683
7684         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
7685
7686 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7687
7688         * fold-const.c (operand_equal_p): Temporarily support NULL args.
7689         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
7690         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
7691
7692 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
7693
7694         * rtl.h (plus_constant): Delete.
7695         (plus_constant_wide): Rename to plus_constant.
7696         (plus_constant_for_output_wide): Delete vestigial prototype.
7697         (GEN_INT): Remove unnecessary cast.
7698         * tree.h (build_int_2, size_int_type): Delete.
7699         (build_int_2_wide): Rename to build_int_2.
7700         (size_int_wide): Rename to size_int_kind.
7701         (size_int_type_wide): Rename to size_int_type.
7702         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
7703         Remove unnecessary cast.
7704         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
7705         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
7706         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
7707         (size_int_type_wide): Rename size_int_type.
7708         (int_const_binop): Use size_int_type.
7709         * c-lex.c (interpret_integer): Use build_int_2.
7710         * final.c (split_double): Remove unnecessary casts.
7711         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
7712
7713 2004-07-20  Richard Henderson  <rth@redhat.com>
7714
7715         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
7716         (gimplify_compound_lval): Use is_gimple_tmp_reg.
7717         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
7718         (is_gimple_tmp_reg): New.
7719         * tree-gimple.h (is_gimple_tmp_reg): Declare.
7720
7721 2004-07-20  Richard Henderson  <rth@redhat.com>
7722
7723         * tree-pretty-print.c (dump_generic_node): Dump
7724         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
7725
7726 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
7727
7728         * tree-mudflap.c (mf_set_options_fndecl): New tree.
7729         (mudflap_init): Set it.
7730         (mudflap_register_call): Remove __mf_init call.
7731         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
7732         to pass "-ignore-reads" option to libmudflap if needed.
7733
7734 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
7735
7736         PR c++/14607
7737         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
7738         (MAKE_DECL_ONE_ONLY): Undefine.
7739         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
7740         readonly_data, one_only_data_section, forget_section): New prototypes.
7741         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
7742         functions.
7743         (pa_select_section): Add one-only (COMDAT) support.
7744         * pa.h (struct machine_function): Define.
7745         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
7746         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
7747         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
7748         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
7749         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
7750         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
7751         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
7752         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
7753         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
7754         for EXTRA_SECTION_FUNCTIONS.
7755         * doc/install.texi: Update binutils requirements.
7756
7757 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
7758
7759         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
7760         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
7761         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
7762         size_t.
7763         (struct VEC): Use unsigned for num and alloc.
7764         * vec.c (struct vec_prefix): Likewise.
7765         (vec_o_reserve): Adjust.
7766
7767         * dbxout.c (dbxout_type): Fix printf format.
7768
7769         * tree.h (binfo_member): Remove.
7770         * tree.c (binfo_member): Remove.
7771
7772 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
7773
7774         * tree.h: Include vec.h
7775         (DEF_VEC_P(tree)): New type.
7776         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
7777         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
7778         (BINFO_LANG_SLOT): Remove.
7779         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
7780         (struct tree_binfo): Turn base_binfos into a trailing
7781         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
7782         (binfo_lang_slots): Remove.
7783         * tree.c (binfo_lang_slots): Remove.
7784         (make_tree_binfo_stat): Take a base binfo count, not a
7785         lang slot count.  Adjust.
7786         * Makefile.in (TREE_H): Add vec.h
7787         * alias.c (record_component_aliases): Adjust BINFO access.
7788         * dbxout.c (dbxout_type): Likewise.
7789         * dwarf2out.c (gen_member_die): Likewise.
7790         * sdbout.c (sdbout_one_type): Likewise.
7791         * tree-dump.c (deque_and_dump): Likewise.
7792         * config/i386/i386.c (classify_argument,
7793         contains_128bit_aligned_vector_p): Likewise.
7794         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
7795         * doc/c-tree.texi (Classes): Update BINFO documentation.
7796
7797 2004-07-20  Steven Bosscher  <stevenb@suse.de>
7798
7799         * c-common.h (check_case_value): Remove prototype.
7800         (c_add_case_label): Adjust prototype.
7801         * c-common.c (check_case_value): Make static.
7802         (check_case_bounds): New function.
7803         (c_add_case_label): Use it.  Take new argument orig_type.
7804         * c-typeck.c (struct c_switch): New orig_type field.
7805         (c_start_case): Set it.
7806         (do_case): Pass it to c_add_case_label.
7807         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
7808         cases from here.  Add the labels in reverse order.
7809         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
7810         (add_case_node): Return nothing, don't check for duplicate cases.
7811         Insert new case nodes in a list, not in an AVL tree.
7812         (expand_end_case_type): Don't turn a case tree into a case list.
7813         (case_tree2list): Remove.
7814         * tree.h (add_case_node): Adjust prototype.
7815
7816 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
7817
7818         * genattr.c (struct range, struct function_unit,
7819         write_units, extend_range, init_range): Remove them.
7820         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7821         Output "#define INSN_SCHEDULING" here.
7822         * genattrtab.c (struct range, struct function_unit_op,
7823         struct function_unit, struct dimension, enum operator,
7824         operate_exp, expand_units, simplify_knowing,
7825         encode_units_mask, simplify_by_exploding,
7826         find_and_mark_used_attributes, unmark_used_attributes,
7827         add_values_to_cover, increment_current_value,
7828         test_for_current_value, simplify_with_current_value,
7829         simplify_with_current_value_aux, gen_unit,
7830         write_unit_name, write_function_unit_info,
7831         write_complex_function, write_toplevel_expr,
7832         find_single_value, extend_range): Remove.
7833         (write_attr_get): Do not handle common_av->value
7834         being an FFS.
7835         (struct attr_desc): Remove func_units_p and blockage_p.
7836         (write_attr_valueq): Do not handle them.
7837         (find_attr): Do not clear them.
7838         (make_internal_attr): Do not initialize them.
7839         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
7840         * sched-vis.c (init_target_units, insn_print_units,
7841         init_block_visualization, print_block_visualization,
7842         visualize_scheduled_insns, visualize_no_unit,
7843         visualize_stall_cycles, visualize_alloc,
7844         visualize_free, target_units, get_visual_tbl_length,
7845         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
7846         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
7847         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
7848         * haifa-sched.c (blockage_range, clear_units,
7849         schedule_unit, actual_hazard, potential_hazard,
7850         insn_unit, unit_last_insn, unit_tick,
7851         actual_hazard_this_instance, potential_hazard,
7852         schedule_unit, max_insn_queue_index_value): Remove.
7853         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
7854         max_insn_queue_index.
7855         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
7856         * doc/md.texi (Processor pipeline description): Remove
7857         references to old pipeline descriptions.
7858         (Automaton pipeline description): Merge with the above.
7859         (Old pipeline description, Comparison of the two descriptions):
7860         Remove.
7861
7862         * bt-load.c (migrate_btr_def): Remove references to
7863         use_pipeline_interface.
7864         * haifa-sched.c (insn_cost, schedule_insn,
7865         schedule_block, advance_one_cycle, sched_init,
7866         queue_to_ready, sched_finish): Likewise.
7867         * modulo-sched.c (sms_schedule, advance_one_cycle,
7868         ps_has_conflicts): Likewise.
7869         * sched-rgn.c (init_ready): Likewise.
7870         (debug_dependencies): Likewise, and remove an "if (1)".
7871         * target.h (use_dfa_pipeline_interface): Remove.
7872         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7873         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7874         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7875         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7876         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7877         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7878         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7879         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7880         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7881         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7882         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7883         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7884         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7885         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7886         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7887         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7888         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7889         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7890         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
7891
7892 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7893
7894         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
7895
7896 2004-07-19  Jeff Law  <law@redhat.com>
7897
7898         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
7899         (get_eq_expr_value): Use it.  Simplify slightly.
7900
7901 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
7902
7903         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
7904         (umulsidi3_32bit_r4000): Likewise.
7905
7906 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
7907
7908         * vec.h: Propagate location information properly.
7909         (VEC_T_iterate): Add result pointer parameter.
7910         (VEC_T_space): New.
7911         (VEC_T_reserve): Use it.
7912
7913 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
7914
7915         * Makefile.in (c-format.o): Depend on c-format.h.
7916         * c-format.h: New file.
7917         (struct format_char_info): Add CHAIN member.
7918         * c-format.c: Move some types and constants to c-format.h.
7919         (format_type_error): Set to -1.
7920         (struct function_format_info): Use an int for format_type.
7921         (decode_format_type): Return an int.  Return format_type_error
7922         on error.
7923         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
7924         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
7925         (scan_char_table, time_char_table, monetary_char_table): Initialize
7926         CHAIN to NULL.
7927         (n_format_types): New variable.
7928         (check_format_info_main): Handle CHAIN in format_char_info.
7929         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
7930         TARGET_N_FORMAT_TYPES.
7931         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
7932         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
7933         * config/sol2-c.c: New file.
7934         * config/t-sol2: New file.
7935         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
7936         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
7937         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
7938
7939         * doc/extend.texi (Target Format Checks): New section.
7940         (Function Attributes): Mention it.
7941         * doc/invoke.texi: Mention target format checks.
7942         * doc/sourcebuild.texi: Mention target format checks.
7943         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
7944         TARGET_FORMAT_TYPES.
7945
7946 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
7947
7948         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
7949         added.
7950         * config/s390/s390.c (regclass_map initializer): Register 35 added to
7951         ADDR_REGS.
7952         (load_multiple_operation, store_multiple_operation): Removed
7953         pointless sanity check.
7954         (s390_decompose_address): Added check for return_address_pointer_rtx.
7955         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
7956         (s390_return_address_offset): New function.
7957         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
7958         (FRAME_REGNO_P): Added check for register 35.
7959         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
7960         REG_ALLOC_ORDER): Appended entry for register 35.
7961         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
7962         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
7963         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
7964         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
7965         is eliminable using stack pointer or hard frame pointer.
7966         (REGISTER_NAMES): Added name for register 35.
7967         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
7968         pointless sanity check.
7969
7970 2004-07-19  Roger Sayle  <roger@eyesopen.com>
7971
7972         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
7973         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
7974         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
7975         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
7976         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
7977         (fold_relational_const): Tidy up handling of floating point
7978         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
7979         transformation; fold_relational_const assumes constant operands.
7980
7981 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
7982
7983         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
7984         directory.
7985
7986 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
7987
7988         * c-tree.h (struct c_expr): Define.
7989         (C_SET_EXP_ORIGINAL_CODE): Remove.
7990         (parser_build_binary_op, build_compound_expr): Update prototypes.
7991         * c-parse.in (%union): Add exprtype.
7992         (FUNC_NAME): Mark as ttype.
7993         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
7994         exprtype.
7995         (expr): Update.  Define directly in terms of expr_no_commas
7996         instead of using nonnull_exprlist.
7997         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
7998         offsetof_member_designator, typespec_nonreserved_nonattr, init,
7999         initval, designator, component_declarator,
8000         component_notype_declarator, enumerator, array_declarator,
8001         condition, exexpr, switch_statement, stmt_nocomp, stmt,
8002         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
8003         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
8004         where appropriate.
8005         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
8006         * c-common.c (c_common_truthvalue_conversion): Don't check
8007         C_EXP_ORIGINAL_CODE.
8008         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
8009         Don't use C_EXP_ORIGINAL_CODE.
8010         (default_conversion, default_function_array_conversion): Don't use
8011         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
8012         (internal_build_compound_expr): Merge into build_compound_expr.
8013         (build_compound_expr): Take two operands instead of a TREE_LIST.
8014         * objc/objc-act.c (get_super_receiver): Update calls to
8015         build_compound_expr.
8016
8017 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
8018
8019         * config/sh/sh.c (sh_use_dfa_interface): Remove.
8020         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
8021         hook_int_void_1.
8022         * config/sh/sh.md: Extract pipeline descriptions
8023         into separate files.
8024         * config/sh/sh1.md: New file, extracted from sh.md.
8025         * config/sh/sh4.md: New file, extracted from sh.md.
8026         * config/sh/shmedia.md: New file, extracted from sh.md
8027         and rewritten using new-style pipeline description.
8028
8029 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
8030
8031         * config/pa/pa.md: Delete the two remaining define_peephole
8032         patterns.
8033
8034 2004-07-18  Steven Bosscher  <stevenb@suse.de>
8035             Joseph S. Myers  <jsm@polyomino.org.uk>
8036
8037         * c-common.c (c_common_truthvalue_conversion): Don't warn if
8038         TREE_NO_WARNING is set.
8039
8040 2004-07-18  Roger Sayle  <roger@eyesopen.com>
8041
8042         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
8043         simplify_builtin_strncmp): Delete.
8044         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
8045         Change argument to accept an arglist instead of an "exp".  Assume
8046         that the return type is always integer_type_node.  Copy missing
8047         transformations from their now obsolete simplify_builtin_*
8048         equivalents.
8049         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
8050         fold_builtin_strcmp and fold_builtin_strncmp.
8051         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
8052         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
8053         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
8054
8055 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
8056
8057         * Makefile.in (tree-alias-common.o): Update dependencies.
8058
8059 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
8060
8061         * cfgloop.c (flow_loop_nested_p): Fix comment.
8062
8063 2004-07-17  Jason Merrill  <jason@redhat.com>
8064
8065         PR c++/16115
8066         * stor-layout.c (relayout_decl): New fn.
8067         * tree.h: Declare it.
8068         (DECL_BY_REFERENCE): New macro.
8069
8070 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
8071
8072         * libgcc2.c (__enable_execute_stack): New symbol.
8073         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
8074         and declare __enable_execute_stack.
8075         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
8076         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
8077         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8078         ENABLE_EXECUTE_STACK.
8079         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
8080         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8081         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8082         ENABLE_EXECUTE_STACK.
8083         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8084         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
8085         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8086         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8087         ENABLE_EXECUTE_STACK.
8088         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8089         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8090         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8091         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8092         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
8093         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8094         (sparc64_initialize_trampoline): Likewise.
8095         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
8096
8097 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8098
8099         * langhooks.h (builtin_function): New langhook.
8100         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
8101         (LANG_HOOKS_INITIALIZER): Update.
8102         * tree.h (builtin_function): Remove.
8103         * doc/tm.texi: Update.
8104         * c-tree.h (builtin_function): Declare.
8105         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
8106         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
8107         config/ia64/ia64.c, config/iq2000/iq2000.c,
8108         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
8109         config/stormy16/stormy16.c: All callers of builtin_function
8110         changed.
8111
8112 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
8113
8114         PR target/16556
8115         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
8116         Remove white space after the backslash.
8117
8118 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
8119
8120         PR rtl-optimization/16294
8121         * resource.c (return_insn_p): New predicate.
8122         (mark_target_live_regs): Use it.  Special-case return insns.
8123         (init_resource_info): Use it.  Don't scan the epilogue past
8124         a return.
8125
8126 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8127
8128         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
8129         destroy dominance information.
8130         * passes.c (rest_of_handle_loop2):  Free dominance information.
8131         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
8132         jump threading.
8133         (thread_jumps): Update dominance information and remove unreachable
8134         blocks.
8135         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
8136         information and remove the unreachable block.
8137
8138 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
8139
8140         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
8141
8142 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
8143
8144         * doc/sourcebuild.texi: Remove libf2c entry.
8145
8146 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
8147
8148         * config/i386/i386.md (movv16qi_internal): Fix typo.
8149
8150 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8151
8152         * final.c (final_scan_insn): Fix broken commit from previous
8153         patch.
8154
8155 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8156
8157         * c-typeck.c (parser_build_binary_op): Condition warnings for
8158         X<=Y<=Z on -Wparentheses instead of -Wextra.
8159         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
8160         supported for C only.
8161
8162 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8163
8164         * cfgcleanup.c (try_simplify_condjump): Don't remove line
8165         notes to avoid unreachable code warnings.
8166         * toplev.c (backend_init): Don't emit line notes for
8167         unreachable code warnings.
8168
8169         * combine.c (distribute_notes): Don't distribute a
8170         REG_VTABLE_REF note.
8171         * final.c (final_scan_insn): Don't handle it.
8172         * rtl.c (reg_note_name): Remove it.
8173         * rtl.h (enum reg_node): Dito.
8174
8175         * emit-rtl.c (force_line_numbers, restore_line_number_status):
8176         Remove.
8177         * rtl.h (force_line_numbers, restore_line_number_status):
8178         Remove prototypes.
8179
8180         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
8181         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
8182         (using_eh_for_cleanups): Also moved here.
8183
8184         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
8185         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
8186         to expand_start_case and add_case_node.
8187         * stmt.c (struct nesting): Cleanup unused fields condition_code,
8188         last_unconditional_cleanup, nominal_type, printname, and
8189         line_number_status.
8190         (struct fixup_goto): Remove.
8191         (struct stmt_status): Remove x_goto_fixup_chain field.
8192         (goto_fixup_chain): Remove.
8193         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
8194         pushcase, pushcase_range): Remove.
8195         (expand_start_bindings_and_block): Don't set unused fields in
8196         the nesting stack.
8197         (expand_start_case, add_case_node): Cleanup unused formal arguments.
8198         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
8199         instead of emit_jump_if_reachable.
8200         (emit_case_nodes): Likewise.
8201         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
8202         static.
8203         (update_eh_label): Work around left-over exception handing regions.
8204         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
8205         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
8206         (pass_cleanup_cfg_post_optimizing): New pass.
8207         (init_tree_optimization_passes): Run the new pass after all
8208         optimizations.
8209         * tree.h (pushcase, pushcase_range): Remove prototypes.
8210         (expand_start_case, add_case_node): Update prototypes.
8211
8212 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
8213
8214         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
8215
8216 2004-07-16  Richard Henderson  <rth@redhat.com>
8217
8218         * builtins.c (std_expand_builtin_va_arg): Remove.
8219         (expand_builtin_va_arg): Remove.
8220         * expr.h: Don't declare them.
8221         * gimplify.c (mark_decls_volatile_r): Remove.
8222         (copy_if_shared_r): Don't call it.
8223         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
8224         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
8225         * gimple-low.c (lower_stmt): Likewise.
8226         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
8227         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
8228         * tree-ssa-operands.c (get_expr_operands): Likewise.
8229         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
8230         EXPAND_BUILTIN_VA_ARG.
8231         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
8232         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
8233         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
8234         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8235
8236 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8237
8238         * tree-ssa-pre.c (insert_aux): Break out if we hit
8239         a critical edge.
8240
8241 2004-07-16  Richard Henderson  <rth@redhat.com>
8242
8243         * basic-block.h (remove_fake_exit_edges): Declare.
8244         * cfganal.c (remove_fake_predecessors): Rename from
8245         remove_fake_successors; iterate over predecessors.
8246         (remove_fake_exit_edges): New.
8247         * cfgcleanup.c (try_optimize_cfg): Use it.
8248         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
8249         * predict.c (estimate_probability): Likewise.
8250         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
8251         * tree-cfg.c (make_edges): Likewise.
8252         * tree-ssa-pre.c (fini_pre): Likewise.
8253         * profile.c (instrument_edges): Don't remove_fake_edges.
8254         (branch_prob): Do it earlier here.
8255
8256 2004-07-16  Richard Henderson  <rth@redhat.com>
8257
8258         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
8259         switchification wrt CONSTRUCTOR.  Document the reason.
8260
8261 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
8262
8263         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
8264         that prevented descriptive __mf_check source location strings.
8265
8266 2004-07-16  Richard Henderson  <rth@redhat.com>
8267
8268         * tree-def (WITH_SIZE_EXPR): New.
8269         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
8270         * expr.c (expand_expr_real_1): Likewise.
8271         * gimplify.c (maybe_with_size_expr): New.
8272         (gimplify_arg, gimplify_modify_expr): Use it.
8273         (gimplify_modify_expr_to_memcpy): Take size parameter.
8274         (gimplify_modify_expr_to_memset): Likewise.
8275         (gimplify_expr): Handle WITH_SIZE_EXPR.
8276         * tree-alias-common.c (find_func_aliases): Likewise.
8277         * tree-eh.c (tree_could_trap_p): Likewise.
8278         (tree_could_throw_p): Likewise.
8279         * tree-gimple.c (is_gimple_lvalue): Likewise.
8280         (get_call_expr_in): Likewise.
8281         * tree-inline.c (estimate_num_insns_1): Likewise.
8282         (expand_calls_inline): Likewise.
8283         * tree-nested.c (convert_call_expr): Likewise.
8284         * tree-pretty-print.c (dump_generic_node): Likewise.
8285         * tree-sra.c (sra_walk_expr): Likewise.
8286         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
8287         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
8288         * tree-ssa-operands.c (get_expr_operands): Likewise.
8289         * tree-tailcall.c (find_tail_calls): Likewise.
8290
8291         * calls.c (expand_call): Reset old_stack_allocated after
8292         calling emit_stack_restore.
8293
8294 2004-07-16  Richard Henderson  <rth@redhat.com>
8295
8296         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
8297         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8298         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8299         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
8300         copy_res_decl_for_inlining.
8301
8302         * tree-inline.c (declare_return_variable): New modify_dest argument.
8303         Use it as the return value, when possible or manditory.  Handle
8304         TREE_ADDRESSABLE types.
8305         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
8306         replacement of CALL_EXPR.
8307
8308 2004-07-16  Richard Henderson  <rth@redhat.com>
8309
8310         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
8311         * gimple-low.c (expand_var_p): Don't check it.
8312         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
8313         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
8314         * tree-ssa-operands.c (add_stmt_operand): Likewise.
8315         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
8316         (find_referenced_vars): Don't call them.
8317         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
8318
8319 2004-07-16  Richard Henderson  <rth@redhat.com>
8320
8321         * function.c (pass_by_reference): True for all variable sized types.
8322
8323 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
8324
8325         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
8326         * tree-pretty-print.c: Include tree-chrec.h.
8327         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
8328         and POLYNOMIAL_CHREC nodes.
8329
8330 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
8331
8332         * builtins.c (expand_builtin_stpcpy): Do not create temporary
8333         reg with VOIDmode.
8334
8335 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8336
8337         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
8338
8339 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
8340
8341         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
8342         to BASE_REGNUM.
8343         * config/s390/s390.c: Likewise.
8344         * config/s390/s390.h: Likewise.
8345
8346 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8347
8348         * config/mips/mips.md (addsi3, adddi3): Remove special handling
8349         of $sp adds.  Remove REGNO checks from mips16 patterns.
8350
8351 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8352
8353         * config/mips/mips.md: Delete outdated comment.
8354
8355 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8356
8357         * config/mips/mips.c (get_float_compare_codes): Delete.
8358         (mips_emit_compare): New function, mostly extracted from
8359         get_float_compare_codes and gen_conditional_branch.
8360         (gen_conditional_branch, gen_conditional_move): Use it.
8361
8362 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8363
8364         * genautomata.c (add_vect): Speedup by using integers as
8365         bit-vectors for walking through the comb_vect and finding
8366         a match.
8367
8368 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8369
8370         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
8371         operand is an uns_arith_operand; use subtraction otherwise.
8372         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
8373         not just arith_operands.
8374
8375 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8376
8377         * config/mips/mips-protos.h (gen_int_relational): Delete.
8378         (mips_emit_scc): Declare.
8379         * config/mips/mips.c (internal_test): Delete.
8380         (sle_operand, sleu_operand): New functions.
8381         (map_test_to_internal_test, gen_int_relational): Delete.
8382         (mips_emit_binary, mips_relational_operand_ok_p)
8383         (mips_emit_int_relational, mips_zero_if_equal)
8384         (mips_emit_scc): New functions.
8385         (gen_conditional_branch): Rework to use mips_emit_int_relational.
8386         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
8387         sleu_operand.
8388         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
8389         (sltu, sleu): Use mips_emit_scc.
8390         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
8391         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
8392         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
8393
8394 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8395
8396         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
8397
8398 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8399
8400         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
8401         (*sne_[sd]i): Likewise sne_[sd]i_zero.
8402         (*sgt_[sd]i): ...and sgt_[sd]i.
8403         (*slt_[sd]i): ...and slt_[sd]i.
8404         (*sgtu_[sd]i): ...and sgtu_[sd]i.
8405         (*sltu_[sd]i): ...and sltu_[sd]i.
8406         (*sleu_[sd]i): ...and sleu_[sd]i_const.
8407         Name previously unnamed mips16 patterns.  Formatting fixes.
8408
8409 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8410
8411         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
8412         (branch_type): Delete.
8413         (gen_conditional_branch, gen_conditional_move)
8414         (mips_gen_conditional_trap): Update after name change.  Get the
8415         comparison mode from cmp_operands[0].
8416         * config/mips/mips.h (cmp_type, branch_type): Delete.
8417         (cmp_operands): Renamed from branch_cmp.
8418         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
8419         name change.  Don't set branch_type.
8420         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
8421         mode class of cmp_operands[0] rather than branch_type.  Update after
8422         name change.
8423
8424 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8425
8426         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
8427         of 0...255 to 0 when inside a SET.
8428
8429 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8430
8431         * config/mips/mips.md: Remove mips16 define_peepholes.
8432
8433 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8434
8435         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
8436         (fini_pre): Remove fake edges.
8437
8438 2004-07-15  Richard Henderson  <rth@redhat.com>
8439
8440         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
8441         (get_indirect_ref_operands, get_call_expr_operands): ... these.
8442
8443 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8444
8445         * vec.h (VEC_address): New function.
8446
8447 2004-07-14  Jason Merrill  <jason@redhat.com>
8448
8449         PR middle-end/15885
8450         * gimplify.c (gimplify_arg): New fn, split out from...
8451         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
8452
8453 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8454
8455         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
8456         generate code which is generated by pushqi1 now
8457         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
8458
8459 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8460
8461         * combine.c (simplify_set): match the mode of the constant 0 with
8462         the tested operand to match the compare behaviour and the
8463         simplify_relational_operation() expectation.
8464
8465 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8466
8467         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
8468         ("bordered"): Same.
8469
8470 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8471
8472         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
8473         unconditionally.
8474         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
8475
8476 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8477
8478         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
8479         calls in mips16 code.
8480
8481 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8482
8483         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
8484         the destination of the li as well as for the neg.
8485
8486 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
8487
8488         g++/15861
8489         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
8490         * cgraph.h: Update declaration.
8491         * c-decl.c (build_cdtor): Update call with default priority.
8492         * coverage.c (create_coverage): Ditto.
8493         * tree-mudflap.c (mf_init_fndecl): New tree.
8494         (mudflap_init): Set it.
8495         (mudflap_register_call): Arrange to call __mf_init before the first
8496         __mf_register call.
8497         (mudflap_finish_file): Mark the mudflap static initializer as extra
8498         high priority, to beat all C++ static constructors.
8499
8500 2004-07-15  Jeff Law  <law@redhat.com>
8501
8502         * loop.c (check_insn_for_givs): Restore check for code labels that was
8503         accidentally deleted by a recent checkin.
8504
8505 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8506
8507         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
8508         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
8509
8510 2004-07-14  Richard Henderson  <rth@redhat.com>
8511
8512         * print-tree.c (print_node): Fix casts last change.
8513
8514 2004-07-15  Paul Brook  <paul@codesourcery.com>
8515
8516         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
8517         to TARGET_UNWIND_INFO.
8518         * except.c (output_function_exception_table): Ditto.
8519         * except.h: Ditto.
8520         * opts.c (decode_options): Ditto.
8521         * passes.c (rest_of_handle_final): Ditto.
8522         * final.c (final_start_function): Ditto.
8523         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
8524         target hook.
8525         * targhooks.h (default_unwind_emit): Declare.
8526         * targhooks.c (default_unwind_emit): New function.
8527         * target-def.h: Define and use TARGET_UNWIND_EMIT.
8528         * target.h (struct gcc_target): Add unwind_emit.
8529         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
8530         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
8531         Remove IA64_UNWIND_EMIT.
8532         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
8533
8534 2004-07-14  Richard Henderson  <rth@redhat.com>
8535
8536         * print-tree.c (print_node): Handle SSA_NAME.
8537
8538 2004-07-14  James E Wilson  <wilson@specifixinc.com>
8539
8540         PR target/16325
8541         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
8542         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
8543
8544 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
8545
8546         * expr.c (expand_assignment): Reenable bitfield += optimizations.
8547         Use alias set 0 for memory, do proper mode calculations and adjust
8548         address for memories.
8549
8550 2004-07-14  Per Bothner  <per@bothner.com>
8551
8552         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
8553         structure with extra column field.
8554         * tree.c (expand_location):  Also fill in column field.
8555         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
8556         gets confused by the two conditionally-compiled definitions.
8557
8558 2004-07-14  Eric Christopher  <echristo@redhat.com>
8559
8560         * calls.c (expand_call): Fix typo in comment.
8561
8562 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
8563
8564         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
8565         comparision of TFmode.
8566
8567 2004-07-14  Richard Henderson  <rth@redhat.com>
8568
8569         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
8570         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
8571         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
8572         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
8573         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8574         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
8575         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8576         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8577         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8578
8579 2004-07-14  Mike Stump  <mrs@apple.com>
8580
8581         * config/darwin.h (WINT_TYPE): Define to be int to match
8582         system header files.
8583
8584 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
8585
8586         * config/xtensa/xtensa.c (function_arg_advance): Check for args
8587         that must be passed in the stack.
8588         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
8589         arguments if the size is not a constant.
8590
8591 2004-07-14  Per Bothner  <per@bothner.com>
8592
8593         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
8594         instead of EXPR_LOCUS in a boolean context, which is always true
8595         if --enable-mapped-location.
8596         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
8597
8598 2004-07-14  Richard Henderson  <rth@redhat.com>
8599
8600         * dominance.c (struct dom_info): Add fake_exit_edge.
8601         (init_dom_info): Allocate it.
8602         (free_dom_info): Free it.
8603         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
8604         in two passes.
8605         (calc_idoms): Honor fake_exit_edge.
8606
8607 2004-07-13  Jason Merrill  <jason@redhat.com>
8608
8609         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
8610         (rhs_test_for): New fn.
8611         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
8612         * tree-gimple.h: Declare them.
8613         * gimplify.c (gimplify_modify_expr): Use the new fns.
8614
8615 2004-07-14  Richard Henderson  <rth@redhat.com>
8616
8617         * config/arm/arm-protos.h (arm_va_arg): Remove.
8618         * config/arm/arm.c (arm_va_arg): Remove.
8619         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
8620         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
8621
8622 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8623
8624         * pa.c (fix_range): New function to mark a range(s) of registers as
8625         fixed registers.
8626         (override_options): Call fix_range if the -mfixed-range option string
8627         is not empty.
8628         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
8629         * doc/invoke.texi (-mfixed-range): Document new option.
8630
8631 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
8632
8633         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
8634         for TARGET_64BIT.
8635         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
8636
8637 2004-07-14  Roger Sayle  <roger@eyesopen.com>
8638
8639         * expmed.c (expand_sdiv_pow2): New function to expand signed division
8640         by a positive power of two, split out from expand_divmod.  Provide
8641         an alternate implementation when shifts are expensive.  Lower the
8642         threshold for using a branchless implementation to BRANCH_COST >= 2.
8643         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
8644
8645 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8646
8647         * tree-dfa.c (make_rename_temp): *Really* work just
8648         like create_tmp_var if called while outside SSA form.
8649
8650 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8651
8652         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
8653         for division by zero.
8654         ("umodsi3"): Likewise.
8655
8656 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8657
8658         * config/mips/mips.c (mips_output_move): When generating mips16 code,
8659         force loads of negative constants to be split.
8660         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
8661         Generalize SImode li/neg splitter to cope with other modes.
8662
8663 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8664
8665         * expmed.c: Remove more references to QUEUED in the comments.
8666         * expr.c: Likewise.
8667
8668 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8669
8670         Revert:
8671         2004-07-13  Richard Henderson  <rth@redhat.com>
8672         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
8673         correctly.
8674
8675 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8676
8677         * tree-dfa.c (make_rename_temp): Work just like
8678         create_tmp_var if called while outside SSA form.
8679
8680 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8681
8682         * expr.c (enqueue_insn, finish_expr_for_function,
8683         protect_from_queue, queued_subexp_p, mark_queue,
8684         emit_insns_enqueued_after_mark, emit_queue,
8685         expand_increment): Remove.
8686         (store_constructor): Expand increment as an assignment.
8687         (expand_expr_real_1 <case PREINCREMENT_EXPR,
8688         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
8689         case POSTDECREMENT_EXPR>): Abort.
8690         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
8691         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
8692         protect_from_queue, emit_queue, queued_subexp_p): Remove.
8693         * function.h (pending_chain, x_pending_chain): Remove.
8694         * rtl.def (QUEUED): Remove.
8695
8696         * emit-rtl.c (copy_insn_1, copy_most_rtx,
8697         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
8698         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
8699         encode_units_mask): Likewise.
8700         * local-alloc.c (equiv_init_varies_p): Likewise.
8701         * rtl.c (copy_rtx): Likewise.
8702         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
8703         * simplify-rtx.c (simplify_gen_subreg): Likewise.
8704         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
8705
8706         * builtins.c (expand_builtin, expand_builtin_apply,
8707         expand_builtin_mathfn, expand_builtin_mathfn_2,
8708         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
8709         Remove calls to emit_queue and protect_from_queue.
8710         * calls.c (expand_call, precompute_arguments,
8711         precompute_register_parameters, rtx_for_function_call,
8712         store_one_arg): Likewise.
8713         * dojump.c (do_compare_and_jump, do_jump): Likewise.
8714         * explow.c (memory_address): Likewise.
8715         * expmed.c (clear_by_pieces_1, clear_storage,
8716         clear_storage_via_libcall, emit_group_load,
8717         emit_group_store, emit_store_flag,
8718         expand_expr_real_1, store_by_pieces,
8719         store_constructor, store_expr, try_casesi,
8720         try_tablejump): Likewise.
8721         * function.c (expand_pending_sizes): Likewise.
8722         * optabs.c (emit_cmp_and_jump_insns,
8723         emit_conditional_add, emit_conditional_move,
8724         expand_fix, expand_float, prepare_cmp_insn): Likewise.
8725         * stmt.c (emit_case_bit_tests,
8726         expand_asm_expr, expand_computed_goto,
8727         expand_decl_init, expand_end_case_type,
8728         expand_end_stmt_expr, expand_expr_stmt_value,
8729         expand_return, expand_start_case,
8730         optimize_tail_recursion): Likewise.
8731         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8732         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
8733
8734 2004-07-14  Ben Elliston  <bje@au.ibm.com>
8735
8736         * vec.h: Comment fix.
8737
8738 2004-07-13  Richard Henderson  <rth@redhat.com>
8739
8740         * target.h (struct gcc_target): Add calls.pass_by_reference.
8741         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
8742         * function.c (pass_by_reference): Use the hook.
8743         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
8744         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
8745         (hook_pass_by_reference_must_pass_in_stack): New.
8746         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
8747         (alpha_pass_by_reference): New.
8748         (TARGET_PASS_BY_REFERENCE): New.
8749         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8750         * config/arc/arc.c (arc_pass_by_reference): New.
8751         (TARGET_PASS_BY_REFERENCE): New.
8752         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8753         (FUNCTION_ARG_CALLEE_COPIES): True.
8754         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
8755         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
8756         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
8757         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8758         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8759         * config/cris/cris.c (cris_pass_by_reference): New.
8760         (TARGET_PASS_BY_REFERENCE): New.
8761         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
8762         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
8763         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8764         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
8765         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8766         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
8767         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
8768         (frv_function_arg_pass_by_reference): Remove.
8769         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8770         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
8771         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
8772         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
8773         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8774         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
8775         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
8776         (ia64_pass_by_reference): Rename from
8777         ia64_function_arg_pass_by_reference.
8778         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8779         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8780         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
8781         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
8782         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
8783         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8784         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8785         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
8786         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
8787         (m32r_pass_by_reference): Adjust prototype.  Make static.
8788         Handle mode sizes correctly.
8789         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8790         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
8791         (m68hc11_function_arg_pass_by_reference): Remove.
8792         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8793         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8794         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
8795         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8796         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
8797         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
8798         (mips_va_arg): Use pass_by_reference.
8799         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
8800         Handle mode sizes correctly.
8801         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8802         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
8803         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
8804         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
8805         (mmix_pass_by_reference): Rename from
8806         mmix_function_arg_pass_by_reference.
8807         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8808         (FUNCTION_ARG_CALLEE_COPIES): True.
8809         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
8810         (mn10300_pass_by_reference): New.
8811         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8812         (FUNCTION_ARG_CALLEE_COPIES): True.
8813         * config/pa/pa.c (pa_pass_by_reference): New.
8814         (TARGET_PASS_BY_REFERENCE): New.
8815         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8816         (FUNCTION_ARG_CALLEE_COPIES): True.
8817         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
8818         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
8819         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
8820         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8821         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
8822         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
8823         (s390_pass_by_reference): Rename from
8824         s390_function_arg_pass_by_reference.
8825         (s390_function_arg_advance): Don't query pass-by-ref.
8826         (s390_function_arg): Likewise.
8827         (s390_gimplify_va_arg): Use pass_by_reference.
8828         (s390_call_saved_register_used): Likewise.
8829         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8830         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
8831         (shcompact_byref, sh_pass_by_reference): New.
8832         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8833         (SHCOMPACT_BYREF): Remove.
8834         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
8835         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
8836         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
8837         (sparc_gimplify_va_arg): Use pass_by_reference.
8838         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8839         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8840         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
8841         (v850_pass_by_reference): New.
8842         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8843         (FUNCTION_ARG_CALLEE_COPIES): True.
8844         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
8845         FUNCTION_ARG_PASS_BY_REFERENCE docs.
8846
8847 2004-07-14  Richard Henderson  <rth@redhat.com>
8848             Richard Sandiford  <rsandifo@redhat.com>
8849
8850         * config/mips/mips-protos.h (mips_va_arg): Delete.
8851         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
8852         * config/mips/mips.c: Include tree-gimple.h.
8853         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
8854         (mips_arg_info): Remove special handling of must_pass_in_stck args.
8855         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
8856         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
8857
8858 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
8859
8860         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
8861         arguments for COND_EXPR in big-endian adjustment code.
8862
8863 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8864
8865         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
8866         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
8867         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
8868         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
8869
8870 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8871
8872         PR tree-optimization/16443
8873         * tree-ssa-alias.c: Add more description for
8874         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
8875         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
8876         clobbering of call-clobbered and addressable variables.  If
8877         there are any before aliases have been computed, add them.
8878
8879 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
8880
8881         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
8882         verification.
8883
8884 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
8885
8886         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
8887         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
8888         to the same type.
8889
8890 2004-07-13  Per Bothner  <per@bothner.com>
8891
8892         * collect2.c (main):  Handle --no-demangle and --demangle flags.
8893
8894 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
8895
8896         * Makefile.in (OBJS-common): Add tree-data-ref.o.
8897         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
8898         (tree-data-ref.o): New rule.
8899         * lambda.h: New file.
8900         * tree-data-ref.c: New file.
8901         * tree-data-ref.h: New file.
8902         * tree.c (int_cst_value, tree_fold_gcd): New functions.
8903         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
8904
8905 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8906
8907         PR target/13926
8908         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
8909         * config/sparc/sparc.c (output_ubranch): New function.
8910         * config/sparc/sparc.md (jump pattern): Use it.
8911
8912 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8913
8914         PR target/16494
8915         * config/sparc/sparc.c (output_cbranch): Properly guard
8916         the code handling far branches with TARGET_V9.
8917         * config/sparc/sparc.md (length attribute): Document the
8918         side-effect of having a length greater or equal to 3.
8919
8920 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8921             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
8922
8923         PR target/15186
8924         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
8925         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
8926
8927 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8928             Martin Sebor  <sebor@roguewave.com>
8929
8930         PR target/12602
8931         * doc/invoke.texi (SPARC options): Document -threads
8932         and -pthreads on Solaris.
8933
8934 2004-07-13  Richard Henderson  <rth@redhat.com>
8935
8936         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
8937         by reference.
8938         (ind_gimplify_va_arg_expr): Remove.
8939         * tree.h (ind_gimplify_va_arg_expr): Remove.
8940         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
8941         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
8942         argsp to be null.
8943
8944         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
8945         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
8946         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
8947         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
8948         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
8949
8950 2004-07-13  Richard Henderson  <rth@redhat.com>
8951
8952         * function.c (pass_by_reference): New.
8953         (assign_parm_find_data_types): Use it.
8954         * calls.c (initialize_argument_information): Likewise.
8955         (emit_library_call_value_1): Likewise.
8956         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
8957         * function.h (pass_by_reference): Declare.
8958
8959 2004-07-13  Richard Henderson  <rth@redhat.com>
8960
8961         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
8962         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
8963         * expr.h (MUST_PASS_IN_STACK): Remove.
8964         * system.h (MUST_PASS_IN_STACK): Poison.
8965         * tree.h (must_pass_in_stack_var_size): Declare.
8966         (must_pass_in_stack_var_size_or_pad): Declare.
8967         * calls.c (must_pass_in_stack_var_size): New.
8968         (must_pass_in_stack_var_size_or_pad): Rename from
8969         default_must_pass_in_stack.
8970         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
8971         (TARGET_MUST_PASS_IN_STACK): New.
8972         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
8973         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
8974         (TARGET_MUST_PASS_IN_STACK): New.
8975         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
8976         * config/frv/frv.c (frv_must_pass_in_stack): New.
8977         (TARGET_MUST_PASS_IN_STACK): New.
8978         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
8979         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
8980         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
8981         (ix86_must_pass_in_stack): Make static.
8982         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
8983         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
8984         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
8985         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
8986         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
8987         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
8988         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
8989         (mcore_must_pass_on_stack): Remove.
8990         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
8991         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
8992         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
8993         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
8994         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
8995         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
8996         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
8997         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
8998         (TARGET_MUST_PASS_IN_STACK): New.
8999         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
9000         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
9001         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
9002         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
9003         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
9004         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
9005         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
9006         MUST_PASS_IN_STACK.
9007
9008         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
9009         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
9010         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
9011         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
9012         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
9013         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
9014         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
9015         config/xtensa/xtensa.c: Use target hook.
9016
9017 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
9018
9019         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
9020         * configure: Rebuilt.
9021
9022 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9023
9024         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
9025         * config/mips/mips.h (mips_reg_names): Don't declare.
9026         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
9027         (TARGET_NAME_REGS): Delete.
9028         (TARGET_SWITCHES): Remove -mrnames.
9029         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
9030         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
9031         in REGISTER_NAMES.
9032         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
9033         (override_options): Remove handling of TARGET_NAME_REGS.
9034
9035 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9036
9037         * config/mips/mips.h (TARGET_*): Boolify.
9038
9039 2004-07-12  Nick Clifton  <nickc@redhat.com>
9040
9041         * config.gcc: Add sh-*-symbianelf target.
9042         * config/sh/sh.c: Add new target macros:
9043         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
9044         TARGET_CXX_IMPORT_EXPORT_CLASS.
9045         (sh_file_start): Create a definition of the .directive section.
9046         (sh_attribute): Add dllimport and dllexport attributes.
9047         * config/sh/symbian-pre.h: New file.
9048         * config/sh/symbian-post.h: New file.
9049         * config/sh/symbian.c: New file. Contains Symbian specific
9050         functions.
9051         * config/sh/sh-protos.h: Add prototypes for new functions
9052         provided by symbian.c.
9053         * config/sh/t-symbian: New file.
9054         * doc/extend.texi: Document support for dllimport and dllexport
9055         attributes by the sh-symbianelf target.
9056
9057 2004-07-12  James E Wilson  <wilson@specifixinc.com>
9058
9059         * Makefile.in (AR): Use @AR@ not ar.
9060         (NM): New.
9061         (AR_FOR_TARGET): Use $(AR) not ar for native.
9062         (NM_FOR_TARGET): Use $(NM) not nm for native.
9063         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
9064         * configure: Regenerate.
9065
9066 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
9067
9068         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
9069         special case.
9070         (ashldi3_sp64): Likewise.
9071
9072 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9073
9074         PR target/16477
9075         * pa.c (function_arg): Update comment.
9076         * pa.h (BLOCK_REG_PADDING): Define.
9077
9078 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9079
9080         PR tree-optimization/16461
9081         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
9082         arguments of phi nodes.
9083
9084 2004-07-12  Devang Patel  <dpatel@apple.com>
9085
9086         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
9087
9088 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
9089
9090         * function.c (expand_function_start): Ensure r_save is in Pmode.
9091         * calls.c (prepare_call_address): Ensure static_chain_value is
9092         in Pmode.
9093         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
9094         r_save_area are in Pmode.
9095         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
9096         fnaddr, and static_chain are in Pmode.
9097
9098 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
9099
9100         PR target/16445
9101         * config/ia64/ia64.c (bundling): Don't count ignored insns.
9102
9103 2004-07-12  Richard Henderson  <rth@redhat.com>
9104
9105         * target.h (struct gcc_target): Move gimplify_va_arg_expr
9106         next to build_builtin_va_list.
9107         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
9108         * builtins.c (gimplify_va_arg_expr): Likewise.
9109         * gimplify.c (copy_if_shared_r): Likewise.
9110
9111 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
9112
9113         * passes.c (rest_of_decl_compilation): Don't defer call of
9114         assemble_variable if its DECL_RTL is already set.
9115
9116 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
9117
9118         * cfgloop.h (struct loop): Add nb_iterations field.
9119         (current_loops): Declare.
9120         * tree-chrec.c (chrec_not_analyzed_yet,
9121         chrec_dont_know, chrec_known, count_ev_in_wider_type,
9122         chrec_contains_symbols_defined_in_loop): Remove the temporary
9123         hooks.
9124         * tree-flow-inline.h (loop_containing_stmt): New function.
9125         * tree-scalar-evolution.c: Add implementation.
9126         * tree-scalar-evolution.h: Add declarations.
9127
9128 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
9129
9130         PR rtl-optimization/15921
9131         * Makefile.in (global.o): Add recog.h.
9132
9133         * global.c (recog.h): Add the include-clause.
9134         (bb_info): New member earlyclobber.
9135         (allocate_bb_info, free_bb_info): Initialize/finish the new
9136         member.
9137         (earlyclobber_regclass, earlyclobber_regclass_length): The new
9138         global variables.
9139         (check_earlyclobber, regclass_intersect,
9140         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
9141         New functions.
9142         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
9143         (make_accurate_live_analysis): Modify pavin.
9144
9145 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
9146
9147         * tree-cfg.c (find_taken_edge): Statically compute the truth
9148         value of a predicate comparing an SSA_NAME to itself.
9149
9150 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9151
9152         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
9153         rs6000 doesn't have shift-and-add or shift-and-sub instructions
9154         by returning the cost of a multiplication plus an addition.
9155
9156 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
9157
9158         PR tree-optimization/14107
9159         * gimplify.c (gimplify_return_expr): Accept a
9160         RETURN_EXPR with an error argument.
9161         * tree-optimize.c (init_tree_optimization_passes):
9162         Run pass_warn_function_return at -O0.
9163
9164 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9165
9166         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
9167         index entry.
9168
9169 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
9170
9171         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
9172         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9173         * config/mips/3000.md: Add copyright notice.  Remove automota and
9174         function units; use generic ones instead.  Only define reservations
9175         for things that are different from generic.md.  Extend each clause
9176         to include r3900.
9177         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
9178         * config/mips/mips.md: Include them. Remove define_function_units.
9179         (alu, imuldiv): New automata and units.
9180
9181 2004-07-12  Ben Elliston  <bje@au.ibm.com>
9182
9183         * doc/invoke.texi (Optimize Options): Document -frename-registers
9184         not being enabled by default at -O3.
9185
9186 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9187
9188         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
9189         floating point additions, to keep real immediate constant positive.
9190         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
9191         into X + C, and leave positive real constants as X - C.
9192
9193 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9194
9195         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
9196
9197 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9198
9199         PR tree-optimization/15654
9200         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
9201
9202 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9203
9204         * builtins.c (fold_builtin_fputs): Don't bother converting the
9205         return type to integer_type_node, as we've already checked that
9206         the result will be ignored.
9207
9208         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
9209         that signed addition, subtraction, multiplication, division,
9210         remainder, negation and absolute value may potentially trap.
9211
9212         * fold-const.c (fold_ignored_result): New function to strip
9213         non-side-effecting tree nodes from an expression whose result
9214         is ignored.
9215         (fold_convert): Call fold_ignored_result when casting a value
9216         to VOID_TYPE.
9217         (omit_one_operand):  Call fold_ignored_result on the "omitted"
9218         operand when building a COMPOUND_EXPR.
9219         (pedantic_omit_one_operand): Likewise.
9220         * tree.h (fold_ignored_result): Prototype here.
9221         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
9222         when we're going to ignore the result.
9223
9224 2004-07-11  Richard Henderson  <rth@redhat.com>
9225
9226         PR tree-opt/16383
9227         * tree-ssa-ccp.c (fold_stmt_r): Split out...
9228         * tree.c (fields_compatible_p, find_compatible_field): ... new.
9229         * tree.h (fields_compatible_p, find_compatible_field): Declare.
9230         * tree-sra.c (sra_hash_tree): Hash fields by offset.
9231         (sra_elt_eq): Use fields_compatible_p.
9232         (generate_one_element_ref): Use find_compatible_field.
9233
9234 2004-07-11  Richard Henderson  <rth@redhat.com>
9235
9236         PR tree-opt/16422
9237         * tree-sra.c (generate_one_element_init): New.
9238         (generate_element_init): Use it.
9239         (scalarize_init): Push/pop gimplify context around it.
9240         (find_new_referenced_vars_1, find_new_referenced_vars): New.
9241         * gimplify.c (gimplify_expr): Allow SSA_NAME.
9242
9243 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9244
9245         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
9246         combine.c's combine_insn_cost.
9247         * rtl.h (insn_rtx_cost): Prototype here.
9248         * combine.c (combine_insn_cost): Delete function.
9249         (combine_validate_cost): Update callers of combine_insn_cost to
9250         call insn_rtx_cost instead.
9251         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
9252         requesting the rtx_cost of call and/or jump instructions.
9253
9254         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
9255         rtx_cost directly.  Don't request/use the cost of call or jump
9256         instructions.  Return -1 if the cost of any instruction can't be
9257         determined (or the BB contains a function call).
9258         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
9259         -1 (i.e. can't determine the cost of any instruction or the basic
9260         block contains a subroutine call).
9261         (find_if_case_2): Likewise.
9262
9263 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9264
9265         * rs6000.c (struct processor_costs): Change semantics of fields to
9266         include the COST_N_INSNS scaling, and update all initializers.
9267         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
9268         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
9269         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
9270         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
9271
9272 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9273
9274         * LANGUAGES: Remove obsolete information.
9275
9276 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9277
9278         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
9279         SIGBUS signal frames, the PSW address points *to* the faulting
9280         instruction, not after it.
9281
9282 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9283
9284         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
9285         added to TLS symbol addresses.
9286
9287 2004-07-11  Richard Henderson  <rth@redhat.com>
9288
9289         * expmed.c (init_expmed): Use stack-local structures for
9290         temporary rtl.  Don't recognize shifts.
9291
9292 2004-07-11  Richard Henderson  <rth@redhat.com>
9293
9294         * expr.c (store_expr): Don't fiddle subreg promotion for types
9295         with precision smaller than the mode.
9296
9297 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9298
9299         * tree.h (all_types_permanent): Remove.
9300
9301 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9302
9303         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
9304         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
9305         * langhooks.c (lhd_clear_binding_stack): Remove.
9306         * langhooks-def.h (lhd_clear_binding_stack,
9307         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9308         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
9309         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
9310         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9311         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
9312         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
9313         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
9314         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9315         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
9316         * tree.h (poplevel): Don't declare.
9317         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
9318         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9319         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
9320         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
9321         Remove.
9322
9323 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9324
9325         PR tree-optimization/16437
9326         * c-common.c (shorten_compare): Don't mark result of conversion to
9327         narrower signed type as overflowing.
9328         * fold-const.c (decode_field_reference): Determine whether
9329         signedness comes from outer type using precision rather than size.
9330
9331 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9332
9333         * configure.ac:  Alphabetize --enable-checking list, add
9334         missing valgrind entry.
9335         * configure:  Regenerate.
9336
9337 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9338
9339         * doc/install.texi (Testing):  Fix syntax in "make check" example.
9340
9341 2004-07-10  James E Wilson  <wilson@specifixinc.com>
9342
9343         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
9344
9345 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9346
9347         PR rtl-optimization/16001
9348         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
9349         niter_expr.
9350
9351 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
9352
9353         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
9354
9355 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
9356             James Morrison  <phython@gcc.gnu.org>
9357
9358         * doc/contrib.texi (Contributors): Add gfortran contributors and
9359         fix a couple of typos.
9360
9361 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9362
9363         PR rtl-optimization/15387
9364         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
9365         to incoming args space correctly.
9366
9367 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9368
9369         * pa.c (output_indirect_call): Only use %r2 as the link register in
9370         indirect calls with the long PA 2.0 pc-relative branch.
9371
9372 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
9373
9374         * config/i386/i386.c (override_options): Pick a 64-bit CPU
9375         for the default tuning if TARGET_64BIT.
9376
9377 2004-07-10  Richard Henderson  <rth@redhat.com>
9378
9379         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
9380         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
9381
9382 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
9383
9384         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
9385         * expmed.c (store_bit_field, extract_bit_field): Remove last
9386         argument.
9387         * builtins.c (expand_builtin_signbit): Adjust callers.
9388         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
9389         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
9390         * ifcvt.c (noce_emit_move_insn): Likewise.
9391         * stmt.c (expand_return): Likewise.
9392         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
9393         store_field, expand_expr_real_1): Likewise.
9394
9395 2004-07-10  Richard Henderson  <rth@redhat.com>
9396
9397         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
9398
9399 2004-07-09  Mike Stump  <mrs@apple.com>
9400
9401         * config/darwin.c (no_dead_strip): Add.
9402         (HAVE_DEAD_STRIP): Add.
9403         (darwin_emit_unwind_label): Ensure that we don't dead code strip
9404         the .eh label.
9405
9406 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9407
9408         * tree-ssa-loop-im.c: New file.
9409         * Makefile.in (tree-ssa-loop-im.o): Add.
9410         * cfgloop.c (superloop_at_depth): New function.
9411         * cfgloop.h (superloop_at_depth): Declare.
9412         * common.opt (ftree-lim): New flag.
9413         * expr.c (array_ref_up_bound): New function.
9414         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
9415         * timevar.def (TV_LIM): New timevar.
9416         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
9417         computing immediate uses of a phi node.
9418         * tree-flow.h (struct tree_ann_common_d): Add aux field.
9419         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
9420         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
9421         * tree-pass.h (pass_lim): Declare.
9422         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
9423         functions.
9424         (pass_lim): New pass structure.
9425         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
9426         * tree.c (in_array_bounds_p): New function.
9427         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
9428         (in_array_bounds_p, array_ref_up_bound): Declare.
9429         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
9430         * doc/passes.texi (tree-ssa-loop-im.c): Document.
9431
9432 2004-07-09  Richard Henderson  <rth@redhat.com>
9433
9434         * builtins.c (expand_builtin_stpcpy): Don't modify len.
9435
9436         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
9437         with prejudice.
9438
9439 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
9440
9441         * flags.h: Delete redundant prototypes that are being generated
9442         in options.h from common.opt.
9443         * common.opt: Add in the expository comments formerly in flags.h.
9444
9445 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9446
9447         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
9448         available for use only when TARGET_MMX/_SSE is set, and check for
9449         variable argument function if any register count is non-zero.
9450         (function_arg): Correctly suppress repeated warnings for passing SSE
9451         vectors are arguments without SSE enabled.
9452         (ix86_function_arg_boundary): Without SSE enabled, the use of what
9453         would be SSE register modes does no longer influence the alignment.
9454
9455 2004-07-09  Richard Henderson  <rth@redhat.com>
9456
9457         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
9458         Always align upward to arg boundary.  Use size_in_bytes/round_up.
9459         Maintain type-correctness of constants.
9460         * stor-layout.c (round_up, round_down): Special-case powers of 2.
9461
9462 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9463
9464         * config/sparc/sparc.c (*_costs): Scale instruction costs
9465         by COSTS_N_INSNS.
9466         (sparc_rtx_costs): Adjust as appropriate.
9467
9468 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9469
9470         * config/i386/mm3dnow.h: New.
9471         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
9472
9473 2004-07-09  Richard Henderson  <rth@redhat.com>
9474
9475         * simplify-rtx.c (simplify_const_relational_operation): Only
9476         look at bounds of scalar integers.
9477
9478 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9479
9480         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
9481
9482 2004-07-09  Andrew Pinski  <apinski@apple.com>
9483
9484         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
9485         always referenced.
9486         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
9487         UOBJC_METACLASS_decl.
9488
9489 2004-07-09  James E Wilson  <wilson@specifixinc.com>
9490
9491         PR target/16364
9492         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
9493         do return a parallel if hfa_mode == XFmode and mode == TImode.
9494
9495 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9496
9497         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
9498         permissible for unary plus.
9499
9500 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9501
9502         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
9503         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
9504         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
9505         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
9506         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
9507         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
9508         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
9509         (BUILTIN_xxxIMAX): New.
9510         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
9511         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
9512         BUILT_IN_PARITYIMAX.
9513
9514 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9515
9516         * config/sparc/sparc.h (processor_costs): Define.
9517         (sparc_costs): Declare.
9518         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
9519         hypersparc_costs, sparclet_costs, ultrasparc_costs,
9520         ultrasparc3_costs): New.
9521         (sparc_override_options): Set sparc_costs as appropriate.
9522         (sparc_rtx_costs): Use sparc_costs instead of messy
9523         conditionals.
9524
9525 2004-07-09  Steven Bosscher  <stevenb@suse.de>
9526
9527         * doc/md.texi (Processor pipeline description): Mention that
9528         the old pipeline description is deprecated.
9529
9530         * config/rs6000/7450.md (automaton ppc7450): Split up, move
9531         mciu_7450 function unit to...
9532         (automaton ppc7450mciu): ...new automaton.
9533
9534         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
9535         (schedule_block): Don't consider inserting bubbles.
9536         (sched_init): Don't initialize DFA bubbles.
9537         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
9538         TARGET_SCHED_DFA_BUBBLE): Remove.
9539         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
9540         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
9541         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
9542
9543         * stmt.c (conditional_context): Remove prototype.
9544         * tree.h (conditional_context): Remove.
9545         * tree-cfg.c (pre_insert_on_edge): Remove.
9546
9547         * c-common.h (c_expand_asm_operands): Remove prototype.
9548         * c-typeck.c (c_expand_asm_operands): Remove.
9549
9550 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9551
9552         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
9553         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
9554         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
9555         and V8QI are class SSE. All sufficiently small remaining vector modes
9556         must be passed in one or two integer registers.
9557         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
9558         returned in memory.
9559         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
9560         __builtin_ia32_pmuludq128 have non-uniform argument and return types
9561         and must thus be handled explicitly.
9562         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
9563         MMX and XMM regs.
9564         (movv8qi_internal, movv4hi_internal, movv2si_internal,
9565         movv2sf_internal): Permit moving between MMX and XMM registers (since
9566         MMX areguments and return values are passed in XMM registers).
9567         (sse2_umulsidi3): Correct type and mode.
9568
9569 2004-07-09  Richard Henderson  <rth@redhat.com>
9570
9571         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
9572
9573 2004-07-09  Eric Christopher  <echristo@redhat.com>
9574
9575         * config/rs6000/40x.md: Split into two automatons.
9576
9577 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9578             Andrew Pinski  <apinski@apple.com>
9579
9580         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
9581         on when we have more than one input file.
9582         (c_common_parse_file): Restore loop over all input files.
9583         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
9584
9585         * c-decl.c (set_type_context): New function.
9586         (pop_scope): Use it to set context of types.  When we
9587         encounter a TYPE_DECL, set the context of the attached type too.
9588         (pop_file_scope): Don't call cpp_undef_all here.
9589         (diagnose_mismatched_decls): Do not complain about a second
9590         definition of an 'extern inline' function if it's not in the
9591         same translation unit.  Do not complain about inline
9592         declaration after use if the use was in a different
9593         translation unit.
9594         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
9595         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
9596         the external scope.
9597         (pushdecl_top_level): Likewise.
9598         (grokdeclarator): Clarify what is going on with setting
9599         DECL_EXTERNAL on function types, a little.
9600         (c_write_global_declarations): Don't do anything if
9601         -fsyntax-only or errors have been encountered.
9602
9603 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9604
9605         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
9606
9607 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9608
9609         PR target/16459
9610         * pa.c (output_indirect_call): Use %r2 as the link register when
9611         calling $$dyncall with a pc-relative branch.
9612
9613 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
9614
9615         * doc/install.texi (Binaries): Mention OpenPKG.
9616
9617 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
9618
9619         Fix PR tree-optimization/15555
9620         * tree-dfa.c (dump_variable): If the variable is a pointer
9621         SSA_NAME, also dump its points-to information.
9622         * tree-flow.h (struct ptr_info_def): Add field
9623         is_dereferenced.
9624         (dump_points_to_info_for): Declare.
9625         (debug_points_to_info_for): Declare.
9626         * tree-optimize.c (init_tree_optimization_passes): Add a
9627         second alias analysis pass after DOM2.
9628         Move pass_del_pta to a later spot.
9629         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
9630         create a name tags when we find a dereferenced pointer.  Just
9631         mark the pointer dereferenced.
9632         (collect_points_to_info_for): Move code to clear points-to
9633         information to create_name_tags.
9634         (create_name_tags): New function.
9635         (compute_flow_sensitive_aliasing): Call it.
9636         (setup_pointers_and_addressables): Mark type tags for renaming
9637         here instead of ...
9638         (create_memory_tag): ... here.
9639         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
9640         (dump_points_to_info_for): Declare extern.
9641         (debug_points_to_info_for): New function.
9642
9643 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
9644
9645         * config/arc/arc.md: Switch to DFA-based scheduler description.
9646         * config/arc/arc.c: Switch to DFA-based scheduler description.
9647
9648 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9649
9650         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
9651         pointer.
9652
9653 2004-07-09  Richard Henderson  <rth@redhat.com>
9654
9655         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
9656         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9657         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
9658         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9659
9660         * config/v850/v850-protos.h (v850_va_arg): Remove.
9661         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9662         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
9663         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
9664         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
9665         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
9666
9667 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9668
9669         PR target/12133
9670         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
9671         and DImode to use +/-4k offset.
9672
9673 2004-07-09  Richard Henderson  <rth@redhat.com>
9674
9675         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
9676         Remove.
9677         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9678         (xstormy16_gimplify_va_arg_expr): Rewrite from
9679         xstormy16_expand_builtin_va_arg.
9680         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
9681
9682         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
9683         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
9684
9685         * config/sh/sh-protos.h (sh_va_arg): Remove.
9686         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9687         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
9688         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
9689
9690         * config/pa/pa-protos.h (hppa_va_arg): Remove.
9691         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9692         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
9693         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9694
9695         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
9696         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9697         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
9698         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
9699
9700 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9701
9702         * config/sparc/sparc.md (return): Rewrite length formula.
9703         * config/sparc/sparc.c (output_return): Pass 1 as 5th
9704         argument to final_scan_insn when in a delay slot.
9705         (output_sibcall): Likewise.
9706
9707 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9708
9709         * arm.c (arm_cpp_interwork): New variable.
9710         (arm_override_options): Set it if TARGET_INTERWORK was on the command
9711         line.
9712         * arm.h (arm_cpp_interwork): Declare it.
9713         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
9714         __THUMB_INTERWORK__ in the preprocessor.
9715
9716 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
9717
9718         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
9719
9720 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
9721
9722         PR target/16416
9723         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
9724         Override default settings to account for -m32 and -m64.
9725
9726 2004-07-08  Randolph Chung  <tausq@debian.org>
9727
9728         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
9729
9730 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
9731
9732         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
9733         before comparing it as such.
9734
9735 2004-07-08  Richard Henderson  <rth@redhat.com>
9736
9737         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
9738         temporary.  Use bit arithmetic to align.
9739
9740 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
9741
9742         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
9743         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
9744         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
9745         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
9746         add_labels_and_missing_jumps, find_jump_block,
9747         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
9748         Likewise.
9749         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
9750         link_btr_uses, move_btr_def): Likewise.
9751         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
9752         expand_builtin_expect_jump): Likewise.
9753         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
9754         * calls.c (expand_call, emit_library_call_value_1): Likewise.
9755         * cfganal.c (forwarder_block_p): Likewise.
9756         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
9757         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
9758         find_bb_boundaries): Likewise.
9759         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9760         merge_blocks_move_predecessor_nojumps,
9761         merge_blocks_move_successor_nojumps, insns_match_p,
9762         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
9763         try_optimize_cfg): Likewise.
9764         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
9765         * cfglayout.c (skip_insns_after_block, label_for_bb,
9766         record_effective_endpoints, insn_locators_initialize,
9767         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
9768         * cfgmainloop.c (create_loop_notes): Likewise.
9769         * cfgrtl.c (delete_insn, delete_insn_chain,
9770         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
9771         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
9772         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
9773         redirect_branch_edge, force_nonfallthru_and_redirect,
9774         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
9775         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
9776         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
9777         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
9778         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
9779         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
9780         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
9781         * combine.c (combine_instructions, can_combine_p, try_combine,
9782         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
9783         distribute_notes, distribute_links, insn_cuid): Likewise.
9784         * cse.c (fold_rtx, cse_insn, cse_around_loop,
9785         invalidate_skipped_block, cse_set_around_loop,
9786         cse_end_of_basic_block, cse_main, cse_basic_block,
9787         cse_condition_code_reg): Likewise.
9788         * cselib.c (cselib_process_insn): Likewise.
9789         * ddg.c (create_ddg): Likewise.
9790         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
9791         Likewise.
9792         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
9793         gen_label_die, dwarf2out_var_location): Likewise.
9794         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
9795         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
9796         last_call_insn, active_insn_p, next_label, prev_label,
9797         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
9798         add_insn_before, remove_insn, add_function_usage_to,
9799         reorder_insns, find_line_note, remove_unnecessary_notes,
9800         emit_insn_after_1, classify_insn): Likewise.
9801         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
9802         connect_post_landing_pads, sjlj_mark_call_sites,
9803         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
9804         can_throw_internal, can_throw_external, set_nothrow_function_flags,
9805         convert_to_eh_region_ranges): Likewise.
9806         * explow.c (optimize_save_area_alloca): Likewise.
9807         * expr.c (expand_expr_real): Likewise.
9808         * final.c (insn_current_reference_address, compute_alignments,
9809         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
9810         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
9811         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
9812         propagate_block_delete_insn, propagate_one_insn,
9813         init_propagate_block_info, propagate_block, libcall_dead_p,
9814         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
9815         Likewise.
9816         * function.c (instantiate_virtual_regs, reorder_blocks_1,
9817         expand_function_start, expand_function_end, contains,
9818         thread_prologue_and_epilogue_insns,
9819         reposition_prologue_and_epilogue_notes): Likewise.
9820         * gcse.c (constprop_register, bypass_conditional_jumps,
9821         insert_insn_end_bb, gcse_after_reload): Likewise.
9822         * genemit.c (gen_expand, gen_split): Likewise.
9823         * genpeep.c (gen_peephole, main): Likewise.
9824         * global.c (build_insn_chain): Likewise.
9825         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
9826         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
9827         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
9828         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
9829         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
9830         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
9831         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
9832         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
9833         dead_or_predicable): Likewise.
9834         * integrate.c (try_constants): Likewise.
9835         * jump.c (rebuild_jump_labels, cleanup_barriers,
9836         purge_line_number_notes, init_label_info, mark_all_labels,
9837         squeeze_notes, get_label_before, get_label_after,
9838         reversed_comparison_code_parts, simplejump_p, pc_set,
9839         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
9840         delete_barrier, delete_prior_computation, delete_computation,
9841         delete_related_insns, delete_for_peephole, redirect_jump):
9842         Likewise.
9843         * lcm.c (optimize_mode_switching): Likewise.
9844         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
9845         Likewise.
9846         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
9847         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
9848         * loop-iv.c (simplify_using_assignment): Likewise.
9849         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
9850         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
9851         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
9852         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
9853         check_insn_for_givs, check_final_value, update_giv_derive,
9854         basic_induction_var, product_cheap_p, check_dbra_loop,
9855         loop_insn_first_p, last_use_this_basic_block,
9856         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
9857         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
9858         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
9859         sms_schedule_by_order): Likewise.
9860         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
9861         * postreload.c (reload_cse_simplify_operands, reload_combine,
9862         reload_cse_move2add): Likewise.
9863         * predict.c (can_predict_insn_p, estimate_probability,
9864         expected_value_to_br_prob, process_note_predictions): Likewise.
9865         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
9866         * profile.c (branch_prob): Likewise.
9867         * ra-build.c (live_out_1, livethrough_conflicts_bb,
9868         detect_webs_set_in_cond_jump): Likewise.
9869         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
9870         ra_print_rtl_with_bb): Likewise.
9871         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
9872         * recog.c (next_insn_tests_no_inequality, find_single_use,
9873         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
9874         * reg-stack.c (next_flags_user, record_label_references,
9875         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
9876         compensate_edge, convert_regs_1): Likewise.
9877         * regclass.c (scan_one_insn): Likewise.
9878         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9879         regmove_optimize, fixup_match_1, single_set_for_csa,
9880         combine_stack_adjustments_for_block): Likewise.
9881         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
9882         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
9883         find_equiv_reg): Likewise.
9884         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
9885         reload_as_needed, emit_input_reload_insns, do_output_reload,
9886         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
9887         Likewise.
9888         * reorg.c (find_end_label, emit_delay_sequence,
9889         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
9890         get_jump_flags, rare_destination, mostly_true_jump,
9891         try_merge_delay_insns, redundant_insn, own_thread_p,
9892         fill_simple_delay_slots, fill_slots_from_thread,
9893         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
9894         dbr_schedule): Likewise.
9895         * resource.c (find_basic_block, next_insn_no_annul,
9896         find_dead_or_set_registers, mark_target_live_regs): Likewise.
9897         * rtl.h (RTX_PREV): Likewise.
9898         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
9899         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
9900         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
9901         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
9902         tablejump_p, computed_jump_p, insns_safe_to_move_p,
9903         find_first_parameter_load, can_hoist_insn_p): Likewise.
9904         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
9905         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
9906         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
9907         schedule_ebbs): Likewise.
9908         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
9909         is_conditionally_protected, can_schedule_ready_p,
9910         add_branch_dependences, debug_dependencies): Likewise.
9911         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
9912         Likewise.
9913         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
9914         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
9915         set_dominates_use, ujump_to_loop_cont): Likewise.
9916         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
9917         * varasm.c (output_constant_pool_1): Likewise.
9918
9919 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9920
9921         * tree-scalar-evolution.c: New file.
9922         * tree-scalar-evolution.h: New file.
9923         * tree-ssa-loop-niter.c: New file.
9924         * Makefile.in (SCEV_H): New.
9925         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
9926         * cfgloop.h (struct loop): Add bounds field.
9927         * tree-flow.h (struct tree_niter_desc): New type.
9928         (number_of_iterations_cond, number_of_iterations_exit,
9929         loop_niter_by_eval, find_loop_niter_by_eval,
9930         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
9931         free_numbers_of_iterations_estimates): Declare.
9932         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
9933         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
9934         * doc/invoke.texi (max-iterations-to-track): Document.
9935
9936 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
9937
9938         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
9939         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
9940         (MODE_AFTER): Add cast appropriately.
9941         * config/sh/sh.md (movdi splitter): Likewise.
9942         (casesi_worker_2): Add const qualifier appropriately.
9943         (eh_return): Remove unused variable.
9944         (insv): Initialize v;
9945
9946 2004-07-08  Richard Henderson  <rth@redhat.com>
9947
9948         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
9949         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9950         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
9951         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
9952         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
9953
9954         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
9955         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9956         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
9957         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
9958
9959         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
9960         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9961         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
9962         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
9963
9964         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
9965         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9966         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
9967         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
9968
9969         * config/i860/i860-protos.h (i860_va_arg): Remove.
9970         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9971         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
9972         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
9973
9974 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
9975
9976         * system.h: Prototype getpagesize if missing.
9977         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
9978         * configure: Regenerate.
9979         * config.in: Regenerate.
9980
9981 2004-07-08  Richard Henderson  <rth@redhat.com>
9982
9983         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
9984         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9985         (fr30_gimplify_va_arg_expr): New.
9986         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
9987         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
9988
9989 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
9990
9991         PR target/16414
9992         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
9993         of asm_noperands result.
9994
9995 2004-07-08  Richard Henderson  <rth@redhat.com>
9996
9997         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
9998         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9999         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
10000         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
10001
10002 2004-07-08  Richard Henderson  <rth@redhat.com>
10003
10004         * builtins.c (ind_gimplify_va_arg_expr): New.
10005         * tree.h (ind_gimplify_va_arg_expr): Declare.
10006         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
10007
10008 2004-07-08  Jan Beulich  <jbeulich@novell.com>
10009
10010         * expmed.c (extract_bit_field): Correct condition to use vec_extract
10011         patterns also on vector elements other than the first one.
10012         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
10013         break statements.
10014
10015 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
10016
10017         * config/rs6000/darwin-ldouble.c: Correct reference
10018         to the Linnainmaa paper.
10019
10020 2004-07-08  Richard Henderson  <rth@redhat.com>
10021
10022         * config/arc/arc-protos.h (arc_va_arg): Remove.
10023         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10024         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
10025         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
10026
10027         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
10028         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10029         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
10030         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
10031
10032 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10033
10034         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
10035
10036 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10037
10038         * c-decl.c (static_ctors, static_dtors): Make static.
10039         (pop_file_scope): Call c_common_write_pch and
10040         cgraph_finalize_compilation_unit here.
10041         (build_cdtor): Moved here from c-objc-common.c; simplify.
10042         (c_write_global_declarations_1): Clarify comment.
10043         (c_write_global_declarations): Close the external scope before
10044         doing anything else.  Call build_cdtor, cgraph_optimize, and
10045         mudflap_finish_file here.
10046         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
10047         Clarify comment.
10048         * c-objc-common.c: No need to include cgraph.h.
10049         (build_cdtor): Moved to c-decl.c.
10050         (c_objc_common_finish_file): Delete.
10051         * c-tree.h: Update to match.
10052         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
10053         (generate_static_references): Set TREE_USED before calling finish_decl.
10054         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
10055         on the static_instances_decl.
10056
10057 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10058
10059         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
10060         decls when there is only one input translation unit.
10061         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
10062         change of 2004-07-05; do not treat declarations with
10063         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
10064         * opts.c (cur_in_fname): Delete.
10065         * opts.h: Likewise.
10066         * tree.c: Revert changes of 2004-07-05; no special treatment
10067         for TRANSLATION_UNIT_DECLs.
10068         * Makefile.in (tree.o): Update dependencies.
10069
10070 2004-07-08  Roger Sayle  <roger@eyesopen.com>
10071
10072         * builtins.c (fold_builtin_strcpy): Merge functionality from
10073         simplify_builtin_strcpy.  Add additional len argument.  No longer
10074         static.  Remove function prototype.
10075         (fold_builtin_strncpy): Likewise integrate functionality from
10076         simplify_builtin_strncpy.  Add additional slen argument.  No
10077         longer static.  Remove function prototype.
10078         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
10079         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
10080         types of "ignore" and "unlocked" parameters to bool.
10081         (fold_builtin_1):  Add additional ignore argument.  Call renamed
10082         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
10083         builtins.  Update arguments to fold_builtin_strncpy and
10084         fold_builtin_strcpy.  Add function prototype.
10085         (fold_builtin): Add additional Boolean ignore argument to pass
10086         to fold_builtin_1.
10087         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
10088         and fold_builtin_strncpy instead of simplify_builtin_fputs,
10089         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
10090
10091         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
10092         simplify_builtin_strncpy): Delete function prototypes.
10093         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
10094         fold_builtin_strncpy): Add function prototypes here.
10095         (fold_builtin): Update function prototype with new "bool ignore".
10096
10097         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
10098         (ccp_fold_builtin):  Update call to fold_builtin.  Call
10099         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
10100         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
10101         simplify_builtin_strncpy respectively.
10102         * fold-const.c (fold): Update call to fold_builtin.
10103
10104 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10105
10106         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
10107         to strcpy.
10108
10109         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
10110         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
10111         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
10112         * calls.c: Remove ifdefs of macros above.
10113         * functions.c: Likewise.
10114         * expr.c: Likewise.
10115
10116 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10117
10118         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
10119         (arch attribute): Delete.
10120         (current_function_calls_alloca attribute): Rename into calls_alloca.
10121         (calls_eh_return): New attribute.
10122         (leaf_function): Likewise.
10123         (length attribute): Fix formula for sibcalls.
10124         (return insn): Correctly compute the 'length' attribute.
10125         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
10126
10127 2004-07-08  Richard Henderson  <rth@redhat.com>
10128
10129         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
10130         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
10131         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
10132         * tree-eh.c (lower_eh_constructs_1): Likewise.
10133         * tree-sra.c (sra_walk_modify_expr): Likewise.
10134         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
10135         (eliminate_unnecessary_stmts): Likewise.
10136         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10137         * tree-tailcall.c (optimize_tail_call): Likewise.
10138         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
10139
10140 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10141             Jakub Jelinek  <jakub@redhat.com>
10142
10143         * config/i386/i386.c (override_options): Enable
10144         SSE prefetches with -mtune, as long as we are
10145         compiling for i686 or higher.  All i686 processors
10146         accept SSE prefetches as NOPS, some i586's don't.
10147
10148 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10149
10150         PR target/10567
10151         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
10152
10153 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10154
10155         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
10156         the handling of clobbering ASM_EXPRs.
10157
10158 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10159
10160         PR target/16430
10161         * config/sparc/sparc.c (function_value): In 64-bit mode,
10162         return the aggregates larger than 16 bytes like unions.
10163
10164 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10165
10166         PR target/16199
10167         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
10168         'temp' is zero, generate new pseudos as needed and emit the
10169         sequence of insns in single-assignment form.  Resync comments
10170         with code.
10171         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
10172         function before reload.
10173
10174 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
10175
10176         * vec.c (vec_assert_fail): Remove duplicate 'function'.
10177
10178         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
10179
10180         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
10181         Allocation is signed.
10182         (VEC_reserve): Return flag, allocation is signed.
10183
10184 2004-07-08  Richard Henderson  <rth@redhat.com>
10185
10186         * tree-ssa-ccp.c (fold_stmt): Get type directly from
10187         OBJ_TYPE_REF_OBJECT.
10188
10189 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
10190             Neil Booth  <neil@daikokuya.co.uk>
10191
10192         PR c/2511
10193         PR c/3325
10194         * c-decl.c (finish_struct): Ensure bit-fields are given the
10195         correct type.
10196         * c-common.c (c_common_signed_or_unsigned_type): For C, require
10197         the precision to match as well as the mode.
10198         * expr.c (reduce_to_bit_field_precision): New function.
10199         (expand_expr_real_1): Reduce expressions of bit-field type to
10200         proper precision.
10201         * langhooks.h (reduce_bit_field_operations): New hook.
10202         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
10203         Define.
10204         * c-lang.c, objc/objc-lang.c
10205         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
10206         * objc/objc-act.c (check_ivars): Convert types to bit-field types
10207         before checking.
10208         * tree.c (build_nonstandard_integer_type): New function.
10209         * tree.h (build_nonstandard_integer_type): New prototype.
10210         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
10211         conversions between integer and boolean types as useless.
10212
10213 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10214
10215         * c-common.c (c_common_nodes_and_builtins): Do not
10216         create __builtin_ptrdiff_t and __builtin_size_t.
10217
10218 2004-07-08  Andrew Pinski  <apinski@apple.com>
10219
10220         * Makefile.in (libbackend.o): Add -combine to the gcc
10221         command line.
10222
10223 2004-07-08  Nick Clifton  <nickc@redhat.com>
10224
10225         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
10226         Set to -Os.
10227
10228 2004-07-08  Richard Henderson  <rth@redhat.com>
10229
10230         * except.c (expand_eh_region_start, expand_eh_region_end,
10231         expand_eh_handler, expand_eh_region_end_cleanup,
10232         expand_start_all_catch, expand_start_catch, expand_end_catch,
10233         expand_end_all_catch, expand_eh_region_end_allowed,
10234         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
10235         expand_eh_region_end_fixup): Remove.
10236         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
10237         cleanups, outer_cleanups, label_chain, exception_region.
10238         (struct goto_fixup): Remove stack_level, cleanup_list_list.
10239         (struct label_chain): Remove.
10240         (struct stmt_status): Remove x_stack_block_stack.
10241         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
10242         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
10243         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
10244         end_cleanup_deferral, last_cleanup_this_contour,
10245         containing_blocks_have_cleanups_or_stack_level,
10246         any_pending_cleanups): Remove.
10247         (expand_null_return_1): Take no arguments.
10248         (expand_label, expand_naked_return, expand_return,
10249         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
10250         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
10251         expand_end_case_type): Don't use any of them.
10252         * calls.c (expand_call): Likewise.
10253         * dojump.c (do_jump): Likewise.
10254         * function.c (expand_function_end): Likewise.
10255         * expr.c (store_expr, expand_expr_real_1): Likewise.
10256         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
10257         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
10258         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
10259         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
10260         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
10261         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
10262         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
10263         for WITH_CLEANUP_EXPR.
10264         (gimple_push_cleanup): Likewise.
10265         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
10266         * print-tree.c (print_node): Likewise.
10267         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
10268         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
10269         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
10270         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
10271         (GOTO_SUBROUTINE_EXPR): Remove.
10272         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
10273         (DECL_TOO_LATE): Remove.
10274         * except.h, tree.h: Update decls.
10275
10276 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10277
10278         * explow.c (optimize_save_area_alloca): Do not accept parameters.
10279         * passes.c (rest_of_handle_final): Handle symout.
10280         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
10281         Push timevar here.
10282         (rest_of_handle_sched): Break out SMS.  Remove ifs for
10283         flag_schedule_insns and flag_modulo_sched.
10284         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
10285         collect at the end.
10286         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
10287         (rest_of_handle_partition_blocks, rest_of_handle_sms,
10288         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
10289         rest_of_handle_mode_switching, rest_of_handle_jump,
10290         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
10291         rest_of_handle_jump2, rest_of_handle_postreload,
10292         rest_of_handle_flow2, rest_of_clean_state,
10293         rest_of_handle_shorten_branches,
10294         rest_of_handle_prologue_epilogue,
10295         rest_of_handle_branch_target_load_optimize): New.
10296         (rest_of_compilation): Call the above.  Remove ggc_collect
10297         calls moved to rest_of_handle_*.
10298         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
10299
10300         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
10301         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
10302         * except.h (set_nothrow_function_flags): Update comment.
10303         * function.c (current_function_nothrow): Remove.
10304         * output.h (current_function_nothrow): Remove.
10305         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
10306         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
10307
10308 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10309
10310         PR bootstrap/16326
10311         * reorg.c: Revert 2004-06-30 change.
10312         (find_end_label): If HAVE_epilogue and !HAVE_return,
10313         return 0 instead of creating a label at the end of the insn chain.
10314         (optimize_skip): Account for the failure mode of find_end_label.
10315         (fill_simple_delay_slots): Likewise.
10316         (fill_slots_from_thread): Likewise.
10317         (relax_delay_slots): Likewise.
10318
10319 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10320
10321         * tree-flow.h (addressable_vars): Declare.
10322         * tree-ssa-alias.c (addressable_vars): Define.
10323         (setup_pointers_and_addressables): Add addressable variables
10324         to addressable_vars.
10325         * tree-ssa-operands.c (get_stmt_operands): Move
10326         handling of ASM_EXPRs ...
10327         (get_asm_expr_operands): ... here.
10328         When the ASM_EXPR clobbers memory, also clobber addressable
10329         variables.
10330         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
10331         (delete_tree_ssa): Reset addressable_vars.
10332
10333 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10334             Richard Henderson  <rth@redhat.com>
10335
10336         * varasm.c (assemble_variable): Use assemble_zeros for
10337         zero-initialized variables.
10338         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
10339         for SECCAT_BSS and SECCAT_TBSS.
10340
10341 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10342
10343         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
10344
10345         * expmed.c (emit_store_flag): Also special-case double-word
10346         (in-)equality comparison against -1.
10347
10348         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
10349         passing arguments the containers for which are registers.
10350
10351         * calls.c (emit_library_call_value_1): Use mode of function parameter
10352         rather than that of argument since constants have none.
10353
10354 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10355
10356         Introduce H8SX support.
10357         * expr.c (expand_strcpy): Renamed and moved to...
10358         * builtins.c (expand_movstr): ... here.  Tweak.
10359         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
10360         computed or has side effects.
10361         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
10362         unused, or if mempcpy fails.  Adjust the return value in the
10363         latter case.  Use movstr if everything else fails.
10364         * doc/md.texi (movstr): Document.
10365         (movmemM, clrmemM): Fix explanation of memory block operands.
10366         * config/h8300/h8300.md (stpcpy): Renamed to...
10367         (movstr): ... this.  Adjust.
10368         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10369         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
10370         movmem* and clrstr* to clrmem*.
10371         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
10372         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
10373         GENERAL_REGS, always.
10374         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
10375         getting the stack pointer as addr.
10376         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
10377         from general_operand_dst.
10378         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
10379         variant of...
10380         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
10381         instead of requiring it to match only before reload.
10382         (stpcpy_internal_normal): New, normal-mode variant of...
10383         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
10384         `D' instead of requiring it to match only before reload.
10385         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
10386         mode argument.
10387         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
10388         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
10389         h8300_get_index.
10390         * config/h8300/h8300.md (attr type): Add call.
10391         (attr can_delay): If type is call, set it no.
10392         (call, call_value): Set type to call.
10393         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
10394         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
10395         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
10396         * tree.c (get_narrower): Don't narrow integral types into
10397         non-integral types.
10398         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
10399         frame_size *before* the first use.
10400         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
10401         on input.
10402         (peephole2): Don't widen instructions that push SP.  Move
10403         decrement of SP to the end of all stm-generating peepholes.
10404         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10405         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
10406         and OR to set it to all ones.
10407         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10408         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
10409         (call, call_value): Set can_delay to "no".
10410         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
10411         * config/h8300/h8300.md (extzv): Make subreg check more robust.
10412         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10413         * config/h8300/h8300.md (*brabit): Remove.
10414         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
10415         zero_extract.  Use bit_memory_operand as the predicate for
10416         operand 1 and 'WU' as the constraint.  Check the difference
10417         between the base length and the final one when deciding which
10418         type of branch to use.
10419         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10420         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
10421         Use convert_move to extend the result for TARGET_H8300SX.  Check
10422         for QImode memory references.  Optimize the case where the
10423         destination is a paradoxical subreg.
10424         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10425         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
10426         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
10427         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10428         * config/h8300/h8300.md: Include mova.md
10429         (length_table): Add mova and mova_zero.
10430         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
10431         after all constant addresses for '%R', '%X', '%T' and '%S'.
10432         (h8300_mova_length): New function.
10433         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
10434         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
10435         dependencies for s-config, etc.
10436         * config/h8300/gemova.sh: New file.
10437         * config/h8300/mova.md: Generated.
10438         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
10439         * config/h8300/h8300.c (h8300_bitfield_length): New.
10440         (nibble_operand): Adjust.
10441         (h8300_binary_length): Handle conditional binary op.
10442         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
10443         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
10444         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
10445         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
10446         constraints.  WU is introduced as a variant of U that requires a
10447         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
10448         * config/h8300/h8300.md (attr type): Added bitbranch.
10449         (attr length_table): Added bitfield and bitbranch.
10450         (attr length): Compute bitbranch length.
10451         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
10452         least-significant bit of a byte.
10453         (brabit, brabc, brabs): New.
10454         (insv, extzv): Emit bfst and bfld on H8300SX.
10455         (bfld, bfst, seq, sne): New.
10456         (bstzhireg, cmpstz, bstz, bistz): New.
10457         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
10458         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
10459         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
10460         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
10461         (h8sx_unary_memory_operator): New function.
10462         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
10463         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
10464         * config/h8300/h8300.md: Add peepholes to combine reloads and
10465         arithmetic insns.
10466         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10467         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
10468         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
10469         (and?i, ior?i, xor?i): Likewise.
10470         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10471         * config/h8300/h8300.c: Move enums and prototypes to head of file.
10472         Various whitespace fixes.
10473         (h8300_constant_length): New function, split out from...
10474         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
10475         (h8300_classify_operand): Use IN_RANGE.
10476         (h8300_classify_operand): Use h8300_constant_length.
10477         (h8300_short_move_mem_p): Tighten size check.
10478         (h8sx_mergeable_memrefs_p): Tighten equality check.
10479         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
10480         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
10481         for -msx.
10482         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
10483         * config/h8300/crtn.asm: Likewise.
10484         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
10485         if __H8300SX__ is defined.
10486         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
10487         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
10488         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
10489         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
10490         addresses as mode-dependent.
10491         * config/h8300/h8300.c (print_operand_address): Update call to
10492         h8300_get_index.
10493         (h8300_get_index): Take a mode argument.  Rework to fix an
10494         earlier misunderstanding.
10495         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
10496         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
10497         into a register if TARGET_H8300SX.
10498         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
10499         TARGET_H8300SX.  Also disable related define_splits.
10500         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
10501         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
10502         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
10503         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10504         * config/h8300/h8300.h (OK_FOR_Z): New macro.
10505         (EXTRA_CONSTRAINT_STR): Check it.
10506         * config/h8300/h8300.c (h8300_classify_operand): Accept null
10507         class arguments.
10508         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
10509         * config/h8300/h8300.md (length_table): Add mov_imm4.
10510         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
10511         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10512         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
10513         be a label.
10514         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
10515         * config/h8300/h8300.c (h8300_reorg): New function.
10516         (TARGET_MACHINE_DEPENDENT_REORG): Define.
10517         * config/h8300/h8300.md (length): Subtract the length of the
10518         delay slot from (pc) when checking the range of forward branches.
10519         (delay_slot, can_delay): New attributes.
10520         (define_delay): Add bra/s handling.
10521         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
10522         (jump): Add delayed-branch handling.
10523         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
10524         * expr.c (expand_strcpy): New function.
10525         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
10526         (expand_builtin_stpcpy): Likewise.
10527         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
10528         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
10529         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
10530         handling to improve register allocation for -fno-omit-frame-pointer.
10531         (h8sx_split_movmd): Delete, moving er6 handling into...
10532         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
10533         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
10534         (movmd): Add calls to copy_rtx.
10535         (movmd_internal): In the second alternative, allow the initial and
10536         final destination registers to be different .  Update the splitter
10537         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
10538         instead of h8sx_split_movmd.
10539         (stpcpy, movsd): New expanders.
10540         (movsd_internal): New define_insn.
10541         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
10542         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
10543         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
10544         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
10545         and DESTINATION_REGS.
10546         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
10547         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
10548         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
10549         (h8300_move_ratio): Declare.
10550         (MOVE_RATIO): Use it.
10551         * config/h8300/h8300.c (h8300_move_ratio): New variable.
10552         (h8300_init_once): Initialize it.
10553         (h8300_reg_class_from_letter): New function.
10554         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
10555         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
10556         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
10557         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
10558         (movstrsi, movmd): New expanders.
10559         (movmd_internal): New insn.
10560         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
10561         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
10562         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
10563         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
10564         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
10565         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10566         * config/h8300/h8300.c (nibble_operand): Fix warning.
10567         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
10568         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
10569         (movsf_h8300h): Disable for TARGET_H8300SX.
10570         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10571         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
10572         h8300_stm_parallel and h8300_return_parallel.
10573         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
10574         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
10575         h8300_stm_parallel, h8300_return_parallel): New functions.
10576         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
10577         if TARGET_H8300SX.  Use h8300_push_pop.
10578         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
10579         and final pop when generating h8sx code.  Always emit some form
10580         of return insn.
10581         * config/h8300/h8300.md: Don't enforce register alignment in
10582         stm peepholes if TARGET_H8300SX.
10583         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
10584         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
10585         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
10586         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10587         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
10588         (MULTILIB_DIRNAMES): Add a directory for it.
10589         (MULTILIB_MATCHES): Delete.
10590         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10591         * final.c (walk_alter_subreg): Handle addresses with subregs
10592         inside a ZERO_EXTEND or AND.
10593         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
10594         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
10595         if TARGET_H8300SX.
10596         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
10597         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
10598         @(dd,Rn.w) and @(dd,ERn.L).
10599         (h8300_displacement_size): Take the whole address as argument.
10600         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
10601         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10602         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
10603         (h8sx_mergeable_memrefs_p): Declare.
10604         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
10605         (HAVE_PRE_INCREMENT): Likewise.
10606         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
10607         addresses for TARGET_H8300SX,
10608         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
10609         and POST_DEC.
10610         (movb_length_table, movl_length_table): New tables.
10611         (movw_length_table): Define to movb_length_table.
10612         (h8300_displacement_size): New, split out from...
10613         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
10614         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
10615         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
10616         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
10617         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
10618         (compute_plussi_length, compute_plussi_cc): Update accordingly.
10619         (h8sx_unary_shift_operator): Get the mode from the operator.
10620         (binary_shift_operator): Likewise.
10621         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
10622         a memory reference, check whether the reference is offsettable.
10623         (length_table): Add movb, movw and movl.
10624         (movqi): Add new h8sx pattern.  Don't force one operand to be a
10625         register when generating h8sx code.
10626         (movhi, movsi, movsf): Likewise.
10627         (movstrictqi): Use the length_table attribute.
10628         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
10629         (addqi3): Split into a define_expand and define_insn.  Don't accept
10630         memory operands in the expander.  Use h8300_operands_match_p to
10631         check for matching operands in the define_insn.
10632         (subqi3, negqi2, one_cmplqi2): Likewise.
10633         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
10634         in any patterns that are unused in h8sx code.  In the h8sx patterns,
10635         use h8300_operands_match_p to check whether operands match.
10636         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
10637         one_cmpl[hs]i3): Likewise.
10638         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
10639         in the expander.
10640         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
10641         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
10642         (h8300_insn_length_from_table): Add a second parameter.
10643         (output_h8sx_shift): Declare.
10644         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
10645         (EXTRA_CONSTRAINT): Replace with...
10646         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
10647         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
10648         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
10649         and h8sx_binary_shift_operator.
10650         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
10651         for TARGET_H8300SX.
10652         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
10653         (bit_memory_operand, fix_bit_operand): Likewise.
10654         (h8300_length_table_for_insn): Remove.
10655         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
10656         instructions.
10657         (h8300_short_immediate_length, h8300_binary_length): New functions.
10658         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
10659         (output_plussi): Use sub to add negative constants.
10660         (compute_plussi_length): Adjust accordingly.
10661         (h8sx_single_shift_type): New enum.
10662         (h8sx_single_shift, h8sx_unary_shift_operator,
10663         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
10664         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
10665         single h8sx instruction.  Return false in this case.
10666         * config/h8300/h8300.md (length_table): Add short_immediate.
10667         (length): Pass the operand array to h8300_insn_length_from_table.
10668         (adjust_length): Assume "no" for insns with a length_table attribute.
10669         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
10670         (*addhi3_h8300hs): Don't use for h8sx.
10671         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
10672         and sub.w #xx:3.
10673         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
10674         1's predicate to nonimmediate_operand.  Only skip default expansion
10675         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
10676         for single h8sx shift instructions.
10677         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
10678         * config/h8300/h8300.c (nibble_operand): Split out of...
10679         (reg_or_nibble_operand): ... this.
10680         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
10681         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
10682         umulhisi3): Introduce expand, and introduce separate insns for
10683         sign- or zero-extended REG and already-extended CONST_INT.
10684         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
10685         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
10686         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
10687         (subhi3): Likewise.  Don't accept immediates for operand 1.
10688         Remove the early clobber from second alternative of the h8300s pattern.
10689         (subsi3): Generalize for h8sx.  Force operand 2 into a register
10690         on plain h8300 targets.
10691         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
10692         (subsi3_h8300h): Generalize for h8sx.
10693         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
10694         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
10695         * config/h8300/h8300.c (reg_or_nibble_operand): New.
10696         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
10697         (TARGET_H8300SXMUL): New.
10698         (CONST_OK_FOR_P): New.
10699         (CONST_OK_FOR_LETTER_P): Adjust.
10700         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
10701         umulhisi3): Accept 4-bit immediate on H8SX.
10702         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
10703         (udivsi3, divhi3, udivsi3, divsi3): New.
10704         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
10705         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
10706         * config/h8300/h8300.h (OK_FOR_Q): New macro.
10707         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
10708         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
10709         Add ADDRESSOF to the bit_operand entry.
10710         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
10711         (h8300_src_operand): Likewise.
10712         (bit_operand): Check nonimmediate_operand rather than general_operand.
10713         Accept any nonimmediate_operand in h8sx code.
10714         (h8300_and_costs): Initialize operands[1].
10715         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
10716         (h8300_operand_class): New enum.
10717         (h8300_length_table): New typedef.
10718         (addb_length_table, addw_length_table, addl_length_table,
10719         logicl_length_table): New tables.
10720         (logicb_length_table, logicw_length_table): New macros.
10721         (h8300_classify_operand, h8300_length_from_table,
10722         h8300_length_table_for_insn, h8300_unary_length,
10723         h8300_insn_length_from_table): New functions.
10724         (output_plussi): Only use adds and subs for register destinations.
10725         Disable redundant clause.
10726         (compute_plussi_cc): Likewise.
10727         (compute_plussi_length): Likewise.  Use h8300_length_from_table
10728         to work out the length of an insn.
10729         (output_logical_op): Only use narrower immediate instructions
10730         if the destination is a register.
10731         (compute_logical_op_cc): Likewise.
10732         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
10733         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
10734         * config/h8300/h8300.md (length_table): New attribute.
10735         (length): When an instruction has a length_table attribute, use
10736         h8300_insn_length_from_table to calculate its default length.
10737         (cmpqi): Use h8300_dst_operand for the first operand and
10738         h8300_src_operand for the second.
10739         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
10740         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
10741         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
10742         iorsi3, xorhi3, xorsi3): Likewise.
10743         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
10744         so that it allows any combination of operands for TARGET_H8300SX.
10745         (iorqi3, xorqi3): Likewise.
10746         (cmpqi): Use the length_table attribute.
10747         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
10748         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
10749         (cmpqi): Add 'Q' constraint.
10750         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
10751         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
10752         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
10753         * config/h8300/h8300.h (MASK_H8300SX): New macro.
10754         (TARGET_H8300S): True for both -ms and -msx.
10755         (TARGET_H8300SX): New macro.
10756         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
10757         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
10758         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
10759         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
10760         [Temporary change.]
10761         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
10762         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
10763         16-bit pointers and 32-bit ints.
10764         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
10765         CONST_DOUBLE with mode no wider than SImode.
10766         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
10767         output operand.
10768         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
10769         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
10770         or SUBREG thereof.
10771         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
10772         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
10773         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
10774
10775 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10776
10777         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
10778
10779 2004-07-07  Per Bothner  <per@bothner.com>
10780
10781         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
10782
10783 2004-07-07  Mike Stump  <mrs@apple.com>
10784
10785         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
10786         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
10787         (machopic_finish): Likewise.
10788
10789 2004-07-07  Richard Henderson  <rth@redhat.com>
10790
10791         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
10792         through any value-preserving cast.
10793
10794 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10795
10796         * function.c (assign_parm_find_data_types): Call
10797         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
10798
10799 2004-07-07  Steven Bosscher  <stevenb@suse.de>
10800
10801         * tree-cfg.c (group_case_labels): Remove case labels that have
10802         the same target as the default case.
10803
10804 2004-07-07  Steven Bosscher  <stevenb@suse.de>
10805
10806         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
10807         regardless of DECL_LANG_SPECIFIC being present or not.
10808         * tree.h (DECL_NUM_STMTS): Purge.
10809
10810 2004-07-07  Andrew Pinski  <apinski@apple.com>
10811
10812         * configure: Regenerate with the right autoconf.
10813
10814 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
10815
10816         * ifcvt.c (total_bb_rtx_cost): New function.
10817         (find_if_case_1): Compare rtx_cost of basic block to cost of
10818         BRANCH_COST insns.
10819         (find_if_case_2): Same.
10820
10821 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10822
10823         PR target/10567
10824         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
10825         (output_return): Likewise.
10826         (output_sibcall): Abort if !flag_delayed_branch.
10827         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
10828         (emit_and_preserve): New function.
10829         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
10830         indirect jump to the thunked-to function if !flag_delayed_branch.
10831         * config/sparc/sparc.md (delayed_branch): New attribute.
10832         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
10833         attribute to compute the length of the insn.
10834         (goto_handler_and_restore): Likewise.
10835
10836 2004-07-07  Andrew Pinski  <apinski@apple.com>
10837
10838         PR tree-optimization/15777
10839         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
10840
10841         * expr.c (expand_expr_real_1): Fix formating.
10842         BUFFER_REF and IN_EXPR are dead.
10843         * fold-const.c (non_lvalue): BUFFER_REF is dead.
10844         * tree-inline.c (estimate_num_insns_1): Likewise.
10845         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
10846         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
10847         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
10848
10849 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
10850
10851         * collect2.c (dump_file): Don't call cplus_demangle if
10852         HAVE_LD_DEMANGLE is defined.
10853         (main): Pass "--demangle" to ld if no_demangle is not 0 and
10854         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
10855         if HAVE_LD_DEMANGLE is defined.
10856
10857         * configure.ac (--with-demangler-in-ld): Added
10858         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
10859         --with-demangler-in-ld is used.
10860         * config.in: Regenerated.
10861         * configure: Likewise.
10862
10863 2004-07-07  Roger Sayle  <roger@eyesopen.com>
10864
10865         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
10866         for simple floating point operations "fp", double precision
10867         multiplication "dmul", and single and double precision division
10868         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
10869         (ppc630_cost): New table split from ppc620_cost, to distinguish
10870         differences in floating point latencies.
10871         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
10872         (rs6000_rtx_costs): Add support for single and double precision
10873         floating point addition, subtraction, multiplication, division,
10874         fused-multiply-add, fused-multiply-sub, negation, absolute value
10875         and negative absolute value.  Tweak MEM case to use prefered idiom.
10876
10877 2004-07-07  Richard Henderson  <rth@redhat.com>
10878
10879         * tree-flow-inline.h (may_propagate_copy): Move...
10880         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
10881         attempt to copy between types requiring conversion.
10882         * tree-flow.h (may_propagate_copy): Update decl.
10883         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
10884
10885 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
10886
10887         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
10888         from -mtune= option.
10889
10890 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10891
10892         * builtins.c: Rename movstr*, except for movstrict*, to
10893         movmem* and clrstr* to clrmem*.
10894         * expr.c: Likewise.
10895         * expr.h: Likewise.
10896         * genopinit.c: Likewise.
10897         * integrate.c: Likewise.
10898         * local-alloc.c: Likewise.
10899         * optabs.c: Likewise.
10900         * optabs.h: Likewise.
10901         * config/alpha/alpha.h: Likewise.
10902         * config/alpha/alpha.md: Likewise.
10903         * config/arm/arm-protos.h: Likewise.
10904         * config/arm/arm.c: Likewise.
10905         * config/arm/arm.md: Likewise.
10906         * config/avr/avr.md: Likewise.
10907         * config/c4x/c4x.c: Likewise.
10908         * config/c4x/c4x.md: Likewise.
10909         * config/frv/frv.md: Likewise.
10910         * config/i386/i386-protos.h: Likewise.
10911         * config/i386/i386.c: Likewise.
10912         * config/i386/i386.h: Likewise.
10913         * config/i386/i386.md: Likewise.
10914         * config/i860/i860.c: Likewise.
10915         * config/i860/i860.md: Likewise.
10916         * config/ip2k/ip2k.md: Likewise.
10917         * config/ip2k/libgcc.S: Likewise.
10918         * config/ip2k/t-ip2k: Likewise.
10919         * config/m32r/m32r.c: Likewise.
10920         * config/m32r/m32r.md: Likewise.
10921         * config/mcore/mcore.md: Likewise.
10922         * config/mips/mips.c: Likewise.
10923         * config/mips/mips.md: Likewise.
10924         * config/ns32k/ns32k.c: Likewise.
10925         * config/ns32k/ns32k.h: Likewise.
10926         * config/ns32k/ns32k.md: Likewise.
10927         * config/pa/pa.c: Likewise.
10928         * config/pa/pa.md: Likewise.
10929         * config/pdp11/pdp11.h: Likewise.
10930         * config/pdp11/pdp11.md: Likewise.
10931         * config/rs6000/rs6000.c: Likewise.
10932         * config/rs6000/rs6000.md: Likewise.
10933         * config/s390/s390-protos.h: Likewise.
10934         * config/s390/s390.c: Likewise.
10935         * config/s390/s390.md: Likewise.
10936         * config/sh/lib1funcs.asm: Likewise.
10937         * config/sh/sh.c: Likewise.
10938         * config/sh/sh.md: Likewise.
10939         * config/sh/t-sh: Likewise.
10940         * config/sparc/sparc.h: Likewise.
10941         * config/vax/vax.md: Likewise.
10942         * config/xtensa/xtensa.c: Likewise.
10943         * config/xtensa/xtensa.md: Likewise.
10944         * doc/invoke.texi: Likewise.
10945         * doc/md.texi: Likewise.
10946         * doc/rtl.texi: Likewise.
10947
10948 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
10949
10950         PR target/16407
10951         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
10952         * config/mips/mips.c (mips_declare_common_object): New function,
10953         mostly split out from...
10954         (mips_output_aligned_decl_common): ...here.
10955         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
10956         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
10957         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
10958         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
10959
10960 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10961
10962         PR c/16392
10963         * function.c (assign_parms): Fix typo from previous change.
10964
10965 2004-07-07  Jason Merrill  <jason@redhat.com>
10966
10967         PR c++/15815
10968         * doc/extend.texi (C++ Interface): Correct information and
10969         discourage use.
10970
10971 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
10972
10973         PR target/16130
10974         PR target/16142
10975         PR target/16143
10976         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
10977         insn.
10978
10979 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
10980
10981         PR target/1679.
10982         * config/m32r/m32r.c (m32r_function_symbol): New function:
10983         Generate a symbol name RTX with the correct m32r specific flags
10984         set.
10985         (block_move_call): Use new function to generate correct symbol.
10986         * config/m32r/m32r-protos.h: Add prototype for new funcion.
10987         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
10988         function.
10989
10990 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
10991
10992         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
10993         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
10994         TYPE_BINFO_BASETYPE): Remove.
10995         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
10996         to ...
10997         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
10998         here.
10999         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
11000         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
11001         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
11002         (struct tree_binfo): Rename base_types to base_binfos.
11003         * alias.c (record_component_aliases): Adjust BINFO macros.
11004         * dbxout.c (dbxout_type): Likewise.
11005         * dwarf2out.c (gen_member_die): Likewise.
11006         * sdbout.c (sdbout_one_type): Likewise.
11007         * tree-dump.c (deque_and_dump): Likewise.
11008         * config/i386/i386.c (classify_argument,
11009         contains_128bit_aligned_vector_p): Likewise.
11010
11011 2004-07-07  Nick Clifton  <nickc@redhat.com>
11012
11013         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
11014         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
11015
11016 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
11017
11018         * vec.h: Fix the example use.
11019
11020 2004-07-06  Richard Henderson  <rth@redhat.com>
11021
11022         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
11023         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
11024         * tree-inline.c (copy_body_r, setup_one_parameter,
11025         initialize_inlined_parameters, expand_call_inline,
11026         declare_inline_vars): Don't check it.
11027         (expand_calls_inline): Remove old version, rename new version
11028         from gimple_expand_calls_inline.
11029         * tree-optimize.c (execute_gimple): Remove.
11030         (pass_gimple): Don't run anything.
11031
11032 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11033
11034         * doc/sourcebuild.texi: Use semicolons instead of commas in
11035         section title.
11036
11037 2004-07-06  Richard Henderson  <rth@redhat.com>
11038
11039         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
11040         (sra_walk_modify_expr, scan_init): Likewise.
11041         (generate_element_zero): Check visited before scanning children.
11042         (generate_element_init): Set visited on error.
11043         (scalarize_init): Handle generate_element_init failure similar
11044         to use_block_copy.
11045
11046 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11047
11048         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
11049         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
11050
11051 2004-07-06  Richard Henderson  <rth@redhat.com>
11052
11053         * config/i386/i386.c (legitimize_pic_address): Make static.
11054         (legitimize_address): Handle CONST with TLS operand.
11055         (ix86_expand_move): Don't call legitimize_pic_address directly.
11056         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
11057
11058 2004-07-06  Roger Sayle  <roger@eyesopen.com>
11059
11060         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
11061         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
11062         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
11063         is currently executed unconditionally, i.e. not in "else_bb".
11064
11065 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11066
11067         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
11068         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11069         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
11070         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11071         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
11072         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11073         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
11074         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11075         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
11076         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11077         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
11078         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11079         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
11080         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11081         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
11082         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11083
11084 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11085
11086         * dojump.c (do_jump): REFERENCE_EXPR is dead.
11087         * expr.c (expand_expr_real_1): Ditto.
11088         * tree-inline.c (estimate_num_insns_1): Ditto.
11089         * tree-pretty-print.c (dump_generic_node): Ditto.
11090         (op_symbol): Ditto.
11091         * tree.def: Ditto.
11092
11093 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11094
11095         * tree-ssa-pre.c (reference_node_pool): New pool.
11096         (find_or_generate_expression): Class 'r' is okay too.
11097         (create_value_expr_from): Ditto.
11098         (add_to_sets): LHS should not include vuses.
11099         (eliminate): Ditto.
11100         (compute_avail): Reverse ordering of tests.
11101         Valuize INDIRECT_REF as well.
11102
11103 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
11104
11105         PR rtl-optimization/16380
11106         * loop.c (check_dbra_loop): Sink comparison instructions if they
11107         do something other than set cc0.
11108
11109 2004-07-06  James E Wilson  <wilson@specifixinc.com>
11110
11111         * doc/interface.texi (longjmp and automatic variables): Delete
11112         paragraph recommending taking the address of a variable.
11113
11114 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11115
11116         * vec.h (VEC_embedded_alloc): Remove.
11117         (VEC_embedded_size, VEC_embedded_init): New.
11118         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
11119         MEM_STAT_INFO.
11120         (VEC_truncate): New.
11121         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
11122         (vec_embedded_alloc): Remove.
11123         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
11124         (vec_embedded_alloc): Remove.
11125
11126 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
11127
11128         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
11129         (gt-langhooks.h): Remove.
11130
11131 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
11132
11133         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
11134
11135 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
11136
11137         * config/sparc/sparc.c (get_pc_symbol): Rename into
11138         add_pc_to_pic_symbol.
11139         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
11140         (load_pic_register): Account for previous changes.
11141         Use reg_names.  Don't create the label twice.
11142         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
11143         UNSPEC_LOAD_PCREL_SYM.
11144         (get_pc): Rename into load_pcrel_sym.  Add predicate to
11145         operands.  Remove condition.
11146
11147 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11148
11149         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
11150         RECORD, UNION & QUAL_UNION is actually a binfo.
11151
11152         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
11153         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
11154         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
11155         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
11156         * dwarf2out.c (add_data_member_location_attribute): Likewise.
11157         (gen_inheritance_die): Likewise.
11158         * tree-dump.c (deque_and_dump): Likewise.
11159         * doc/c-tree.texi (Binfos): Add under reconstruction note.
11160
11161 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11162
11163         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11164         Define.
11165         * config/mcore/mcore.md: Model memory latency with a simple DFA
11166         pipeline description instead of a define_function_unit.
11167
11168 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11169
11170         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
11171         * langhooks.h (var_mod_type_p): Likewise.
11172         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
11173         * expr.c (count_type_elements): Properly handle return from
11174         array_type_nelts and properly test for overflow.
11175         * gimplify.c (gimplify_init_constructor): Properly handle return
11176         from array_type_nelts.
11177         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
11178         * integrate.c (copy_decl_for_inlining): Correct comments.
11179         * tree-inline.c (remap_decl): Update comments, remove dead code,
11180         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
11181         (remap_type): Only remap if variably modified by vars in function
11182         being inlined.
11183         (copy_body_r): Use compatible_type langhooks to see when can fold.
11184         (setup_one_parameter): Don't remap type.
11185         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
11186         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
11187         compute TREE_INVARIANT for decl case.
11188         (find_var_from_fn): New function.
11189         (variably_modified_type_p): Add arg and call new function.
11190         * tree.h (variably_modified_type_p): Add extra arg.
11191
11192 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
11193
11194         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
11195         (goto_handler_and_restore_v9): Delete disabled insn.
11196         (goto_handler_and_restore_v9_sp64): Likewise.
11197
11198 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11199
11200         * calls.c (load_register_parameters): Call expand_shift instead
11201         of expand_binop with ashl_optab (or other shift optab) directly.
11202         * expr.c (emit_group_load, emit_group_store): Likewise.
11203         * function.c (assign_parm_setup_block): Likewise.
11204         * stmt.c (shift_return_value): Likewise.
11205
11206 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
11207
11208         * expr.c (expand_assignment): Disable the bitfield += optimizations.
11209
11210 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11211
11212         * doc/sourcebuild.texi: Revert previous patch.
11213
11214 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11215
11216         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
11217         TARGET_MEM_FUNCTIONS.
11218         * system.h: Poison TARGET_MEM_FUNCTIONS.
11219         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
11220         bcmp_libfunc, bzero_libfunc): Remove.
11221         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
11222         bzero_libfunc.
11223         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
11224         * doc/standards.texi: Don't mention calling BSD string functions.
11225         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
11226         * config/vax/t-memfuncs: New.
11227         * config/memcmp.c, config/memcpy.c, config/memmove.c,
11228         config/memset.c: New.
11229         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
11230         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
11231         vax/t-memfuncs.
11232         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
11233         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
11234         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
11235         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
11236         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
11237         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
11238         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
11239         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
11240         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
11241         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
11242
11243 2004-07-05  Richard Henderson  <rth@redhat.com>
11244
11245         * function.c (assign_parm_setup_reg): Properly rename variables in
11246         FUNCTION_ARG_CALLEE_COPIES section.
11247
11248 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11249
11250         * tree-mudflap.c: Include cgraph.h.
11251         (mf_init_extern_trees): Rename to mudflap_init.  Export.
11252         Rewrite to create synthetic declarations instead of looking
11253         up declarations from mf-runtime.h.
11254         (mf_make_builtin, mf_make_cache_struct_type): New functions.
11255         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
11256         Correct commentary.
11257         (execute_mudflap_function_decls, mudflap_register_call):
11258         Don't call mf_init_extern_trees.
11259         (mudflap_finish_file): Use cgraph_build_static_cdtor.
11260
11261         * tree-mudflap.h: Update prototypes.
11262         * c-mudflap.c: Delete file.
11263         * c-common.c: Include tree-mudflap.h.
11264         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
11265         * Makefile.in: Remove all references to c-mudflap.o.
11266         Update dependencies.
11267
11268 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11269
11270         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
11271         displacements with the spatial-locality cache-control completer.
11272
11273 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11274
11275         * langhooks.c: Don't include gt-langhooks.h.
11276         (var_labelno): Delete.
11277         (lhd_set_decl_assembler_name): Do not append a distinguishing
11278         number to file-scope internal-linkage declarations for the first
11279         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
11280         the declaration itself (if at block scope), or its containing
11281         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
11282         number.
11283
11284         * opts.c (cur_in_fname): New global.
11285         * opts.h: Declare it.
11286         * tree.c: Include opts.h.
11287         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
11288         DECL_UID equal to cur_in_fname.
11289         (copy_node_stat): Do not change DECL_UID when copying a
11290         TRANSLATION_UNIT_DECL.
11291         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
11292         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
11293
11294         * c-decl.c (c_static_assembler_name): Delete.
11295         * c-tree.h (c_static_assembler_name): Delete prototype.
11296         * c-lang.c, objc/objc-lang.c: Don't override
11297         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
11298
11299         * Makefile.in (tree.o): Update dependencies.
11300         (GTFILES): Remove langhooks.c.
11301
11302 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11303
11304         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
11305         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
11306         Normalize "X % C" as "X % -C" for signed modulus and negative C.
11307         Optimize "X % -Y" as "X % Y" for signed modulus.
11308         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
11309         into "((unsigned) X % Y) == 0".
11310
11311 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11312
11313         * sourcebuild.texi (Config Fragments): Use @comma{} in
11314         cross-reference to section title.
11315
11316 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11317
11318         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
11319         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
11320         (gimplify_target_expr, gimplify_expr): Likewise.
11321         (copy_if_shared_r): No longer need special case for BIND_EXPR.
11322         (unshare_body, unvisit_body): Only look at nested if BODY_P is
11323         whole function.
11324         (gimplify_compound_lval): See if we can strip any useless conversion.
11325         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
11326         from RHS, not LHS.
11327         (gimplify_modify_expr_to_memset): Likewise.
11328         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
11329         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
11330         (declare_inline_vars): Likewise.
11331         (walk_type_fields): New function.
11332         (walk_tree): Use it.
11333         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
11334
11335         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
11336         (sra_walk_modify_expr): Allow init function to fail.
11337         (scan_init): Now returns bool.
11338         (generate_element_init): If can't understand INIT, return false.
11339         (scalarize_init): Return false if generate_element_init does.
11340
11341         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
11342         print bounds.
11343
11344         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
11345         bounds if bounds aren't constant.
11346
11347         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
11348
11349         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
11350         to type hooks; remove bogus PARAMS.
11351
11352 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
11353
11354         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
11355         * dwarf2out.c (add_data_member_location_attribute): Check for
11356         TREE_BINFO.
11357         * tree.c (tree_node_kinds): Add "binfos".
11358         (binfo_lang_slots): New.
11359         (make_node_stat): Add TREE_BINFO.
11360         (make_tree_binfo_stat): New.
11361         (tree_node_structure): Add TREE_BINFO.
11362         * tree.def (TREE_BINFO): New.
11363         * tree.h (REC_OR_UNION_CHECK): Rename to ...
11364         (RECORD_OR_UNION_CHECK): ... here.
11365         (NOT_RECORD_OR_UNION_CHECK): New.
11366         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
11367         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
11368         RECORD_OR_UNION_CHECK.
11369         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
11370         (TYPE_LANG_SLOT_1): New.
11371         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
11372         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
11373         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
11374         (BINFO_ELTS): Remove.
11375         (BINFO_LANG_SLOT): New.
11376         (struct tree_binfo): New.
11377         (binfo_lang_slots): Declare.
11378         (enum tree_node_structure_enum): Add TS_BINFO.
11379         (union tree_node): Add binfo.
11380         (make_tree_binfo_stat): Declare.
11381         (make_tree_binfo): New.
11382         (enum tree_node_kind): Add binfo_kind.
11383
11384         * objc/objc-act.c (start_class, objc_declare_protocols,
11385         start_protocols): Use TYPE_LANG_SLOT_1.
11386         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
11387         to ...
11388         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
11389         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
11390         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
11391         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
11392
11393 2004-07-05  Steven Bosscher  <stevenb@suse.de>
11394
11395         * rtl.h (struct rtx_def): Remove the integrated flag.
11396         Use the return_val flag for MEM_SCALAR_P.
11397         Reshuffle and update flags in CLEAR_RTX_FLAGS.
11398
11399 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
11400
11401         PR target/16357
11402         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
11403         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
11404         move_by_pieces.
11405
11406 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
11407
11408         * var-tracking.c: Fix some comments.
11409         (frame_stack_adjust): New.
11410         (vt_stack_adjustments): Init stack_adjust of entry block to
11411         minus stack adjustment of function prologue.
11412         (adjust_stack_reference): Do not adjust if adjustment == 0.
11413         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
11414         (emit_notes_in_bb): Likewise.
11415         (vt_add_function_parameters): Do not adjust locations of
11416         function arguments.
11417         (vt_initialize): Compute the stack adjustment of function
11418         prologue and offset the initial "location" of frame_base_decl
11419         from the stack pointer after prologue.
11420
11421 2004-07-04  Richard Henderson  <rth@redhat.com>
11422
11423         * function.c (struct assign_parm_data_all): New.
11424         (struct assign_parm_data_one): New.
11425         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
11426         assign_parm_find_data_types, assign_parms_setup_varargs,
11427         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
11428         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
11429         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
11430         assign_parm_setup_block, assign_parm_setup_reg,
11431         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
11432         (assign_parms): ... here.
11433
11434 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
11435
11436         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
11437         now are bitmap_set_t's.
11438         (bitmap_insert_into_set): No point in inserting the value if
11439         it's invariant.
11440         (bitmap_set_contains): New function.
11441         (bitmap_set_replace_value): Add comment on why we do it
11442         this way.
11443         (set_contains): Removed.
11444         (bitmap_set_subtract_from_value_set): New name of
11445         set_subtract now that it's arguments are two different
11446         types of sets.
11447         Update callers.
11448         (bitmap_find_leader): Change algorithm used.
11449         (find_or_generate_expression): Update use of functions for new
11450         bitmap sets.
11451         (create_expression_by_pieces): Ditto.
11452         (insert_aux): Ditto.
11453         (insert): Ditto.
11454         (add_to_sets): Ditto.
11455         (init_pre): Ditto.
11456         (execute_pre): Ditto.
11457         (compute_avail): Ditto.
11458         Also ignore virtual phis.
11459
11460 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11461
11462         * combine.c (simplify_comparison): Fix comment typo.
11463
11464 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11465
11466         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
11467         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
11468         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
11469         (output_restore): Change parameter from 'insn' to 'pat'.
11470         (output_return): Adjust call to output_restore.
11471         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
11472         Adjust call to output_restore.
11473
11474 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11475
11476         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
11477         and assert system is bsd.
11478
11479 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11480
11481         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
11482         (TARGET_SWITCHES): Remove -mdebugc.
11483         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
11484         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
11485         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
11486         (sle_[sd]i_reg): Delete.
11487
11488 2004-07-04  Steven Bosscher  <stevenb@suse.de>
11489
11490         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11491         Define.
11492         * config/iq2000/iq2000.md: Translate old pipeline description to an
11493         equivalent new one.
11494
11495 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11496
11497         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
11498         Ensure the replacement rhs is valid gimple before performing
11499         the substitution.  Return false if these sanity checks fail.
11500         (fold_stmt): Only set changed to true, if set_rhs returns true.
11501         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
11502         succeeds.
11503
11504 2004-07-04  Richard Henderson  <rth@redhat.com>
11505
11506         PR c/16348
11507         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
11508
11509 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
11510
11511         * configure.ac (ranlib_flags): New variable.
11512         * Makefile.in (RANLIB_FLAGS): New variable.
11513         (libbackend.a): Use it.
11514         * configure: Regenerated.
11515
11516 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11517
11518         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
11519         a "sign mask" instead of using ashr_optab directly.
11520
11521 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11522
11523         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
11524         * doc/cppopts.texi: Clarify processing of command-line defines.
11525
11526 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
11527
11528         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
11529
11530 2004-07-04  Richard Henderson  <rth@redhat.com>
11531
11532         * rtl.def (ADDRESSOF): Remove.
11533         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
11534         (find_base_term, memrefs_conflict_p): Likewise.
11535         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
11536         (fold_rtx, cse_insn, set_live_p): Likewise.
11537         * dwarf2out.c (mem_loc_descriptor): Likewise.
11538         (add_location_or_const_value_attribute): Likewise.
11539         * emit-rtl.c (copy_insn_1): Likewise.
11540         * explow.c (memory_address): Likewise.
11541         * expmed.c (store_split_bit_field): Likewise.
11542         * expr.c (expand_expr_real_1): Likewise.
11543         * function.c (instantiate_decl
11544         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
11545         * genrecog.c (preds, validate_pattern): Likewise.
11546         * integrate.c (copy_rtx_and_substitute): Likewise.
11547         * recog.c (general_operand, register_operand): Likewise.
11548         (memory_address_p): Likwise.
11549         * reload1.c (eliminate_regs, elimination_effects): Likewise.
11550         * rtl.c (copy_rtx): Likewise.
11551         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
11552         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
11553         * rtlhooks.c (gen_lowpart_general): Likewise.
11554         * stmt.c (expand_asm_operands): Likewise.
11555         * web.c (entry_register, replace_ref, web_main): Likewise.
11556         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
11557         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
11558         * config/arm/arm.c (thumb_rtx_costs): Likewise.
11559         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
11560         * config/frv/frv.c (move_destination_operand, move_source_operand,
11561         condexec_dest_operand, condexec_source_operand,
11562         condexec_memory_operand): Likewise.
11563         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
11564         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
11565         (destination_xfmode_operand): Likewise.
11566         * config/mips/mips.h (PREDICATE_CODES): Likewise.
11567         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
11568         * config/s390/s390.c (general_s_operand): Likewise.
11569         * config/s390/s390.md (mov*): Likewise.
11570         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
11571
11572         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
11573         * expr.c (expand_expr_real_1): Likewise.
11574         * stmt.c (expand_decl): Likewise.
11575         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
11576
11577         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
11578         postponed_insns, put_var_into_stack, put_reg_into_stack,
11579         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
11580         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
11581         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
11582         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
11583         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
11584         purge_bitfield_addressof_replacements, purge_addressof_replacements,
11585         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
11586         struct insns_for_mem_walk_info, insns_for_mem_walk,
11587         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
11588         setjmp_protect_args): Remove.
11589         (push_function_context_to): Don't handle var_refs_queue.
11590         (pop_function_context_from, free_after_compilation): Likewise.
11591         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
11592         (assign_parms, allocate_struct_function): Likewise.
11593         (use_register_for_decl): New.
11594         (expand_function_end): Don't setjmp_protect.
11595         * function.h (struct emit_status): Update commentary.
11596         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
11597         (max_parm_reg, parm_reg_stack_loc): Remove.
11598         * passes.c (DFI_addressof): Remove.
11599         (dump_file_info): Remove addressof.
11600         (rest_of_handle_addressof): Remove.
11601         (rest_of_compilation): Don't call it.
11602         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
11603         * stmt.c (expand_decl): Use use_register_for_decl.
11604         * tree.h: Update decls.
11605         * web.c (mark_addressof): Remove.
11606         * doc/invoke.texi (-dF): Remove.
11607
11608 2004-07-03  Richard Henderson  <rth@redhat.com>
11609
11610         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
11611         instead of gen_mem_addressof.
11612         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
11613         TImode output register.
11614
11615 2004-07-03  Richard Henderson  <rth@redhat.com>
11616
11617         PR tree-optimization/16341
11618         * tree-sra.c (sra_walk_function): Increment to next stmt before
11619         processing the current stmt.
11620         (sra_insert_after): Always use BSI_SAME_STMT.
11621
11622 2004-07-03  Richard Henderson  <rth@redhat.com>
11623
11624         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
11625         fp plus with minus.
11626
11627 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11628
11629         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
11630         with tree_int_cst_equal.
11631
11632 2004-07-03  Andreas Schwab  <schwab@suse.de>
11633
11634         * config/ia64/ia64.md: Define new attribute "empty".
11635         (prologue_use, nop_x, insn_group_barrier): Set it.
11636
11637         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
11638         skip over "empty" insns.
11639
11640 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11641
11642         * tree-inline.c (initialize_inlined_parameters): Pass proper function
11643         context to gimplify_body.
11644         (walk_tree): Don't walk into types twice.
11645         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
11646
11647         * tree-sra.c (generate_element_init): Remove any useless conversions.
11648
11649         * gimplify.c (gimplify_conversion): Remove stripping useless
11650         conversions from here.
11651         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
11652         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
11653         Unshare before substituting PLACEHOLDER_EXPR.
11654         (gimplify_modify_expr_to_memset): Likewise.
11655         Pass address of TO to memset, not TO itself.
11656         (gimplify_init_constructor): Make copy of OBJECT so we have it each
11657         time we make an expression (to match a PLACEHOLDER_EXPR).
11658
11659         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
11660         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
11661         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
11662         * tree-ssa-dom.c (local_fold): Likewise.
11663
11664         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
11665         * langhooks.h (strct lang_hooks): New field type_max_size.
11666         * function.c (assign_temp): Call it.
11667
11668 2004-07-03  Steven Bosscher  <stevenb@suse.de>
11669
11670         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
11671         * config/sh/sh.md: Convert the SH1 pipeline description to
11672         a DFA model.
11673
11674 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
11675
11676         * c-decl.c (struct c_binding): Remove contour field; add
11677         depth, invisible, nested fields.
11678         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
11679         (B_IN_EXTERNAL_SCOPE): New convenience macros.
11680         (bind): Add invisible and nested arguments. Initialize
11681         new fields of struct c_binding; adjust loop scanning for
11682         insertion point.
11683         (free_binding_and_advance): Clear structure with memset.
11684         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
11685         in file scope, even if it's in external scope too.
11686         (pushdecl): Adjust to match.  Create invisible file-scope
11687         declarations for block-scope forward declarations of static functions.
11688         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
11689         (undeclared_variable, lookup_label, declare_label, define_label)
11690         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
11691         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
11692         (store_parm_decls_oldstyle): Adjust to match.
11693         (diagnose_mismatched_decls): Correct handling of linkage clashes.
11694         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
11695
11696         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
11697         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
11698
11699 2004-07-02  Richard Henderson  <rth@redhat.com>
11700
11701         * c-decl.c (grokdeclarator): Don't frob current_function_decl
11702         around variable_size.
11703         (set_decl_nonlocal): Remove.
11704         (store_parm_decls): Add stmts for pending sizes.
11705         * calls.c (calls_function, calls_function_1): Remove.
11706         (precompute_arguments): Don't call it.
11707         * cfgexpand.c (set_save_expr_context): Remove.
11708         (tree_expand_cfg): Don't call it.
11709         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
11710         (dwarf2out_finish): Likewise.
11711         * expr.c (emit_block_move): Adjust addresses to BLKmode.
11712         (store_constructor): Don't pre-evaluate SAVE_EXPR.
11713         (safe_from_p): Don't queue SAVE_EXPRs.
11714         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
11715         or build plain VAR_DECLs.
11716         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
11717         (fold): Likewise.
11718         (fold_checksum_tree): Don't special-case SAVE_EXPR.
11719         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
11720         (put_var_into_stack): Don't handle SAVE_EXPR.
11721         (gen_mem_addressof): Likewise.
11722         * function.h (struct function): Remove x_save_expr_regs.
11723         (save_expr_regs): Remove.
11724         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
11725         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
11726         * stor-layout.c (variable_size): Don't set it.
11727         (force_type_save_exprs, force_type_save_exprs_1): Remove.
11728         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
11729         all callers.  Don't set SAVE_EXPR_CONTEXT.
11730         * tree-inline.h (remap_save_expr): Update decl.
11731         * tree.c (save_expr): Update build size.
11732         (first_rtl_op): Don't handle SAVE_EXPR.
11733         (unsave_expr_1, contains_placeholder_p): Likewise.
11734         (decl_function_context): Likewise.
11735         * tree.def (SAVE_EXPR): Remove args 1 and 2.
11736         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
11737         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
11738
11739 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11740
11741         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
11742         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
11743         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
11744         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
11745         some first-person references and patronizing comments.  Based on
11746         printed manual.
11747         * doc/invoke.texi: Don't reference fortran@gnu.org.
11748         * doc/trouble.texi (Warning when a non-void function value is
11749         ignored): Rewrite.  From Russ Allbery and Chris Devers.
11750
11751 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
11752
11753         * tree-ssa-pre.c (bitmap_set_t): New.
11754         (bb_value_sets): avail_out is now a bitmap_set_t.
11755         (bitmap_find_leader): New function.
11756         (bitmap_value_insert_into_set): Ditto.
11757         (bitmap_set_copy): Ditto.
11758         (bitmap_value_replace_in_set): Ditto.
11759         (bitmap_set_contains_value): Ditto.
11760         (bitmap_set_new): Ditto.
11761         (bitmap_set_pool): New pool.
11762         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
11763         (insert_aux): Ditto.
11764         (add_to_sets): Ditto.
11765         (compute_avail): Ditto
11766         (eliminate): Ditto.
11767         (init_pre): Ditto.
11768         (fini_pre): Ditto.
11769         (execute_pre): Ditto.
11770
11771 2004-07-02  Roger Sayle  <roger@eyesopen.com>
11772
11773         * config/rs6000/rs6000.c (struct processor_costs): New structure
11774         used to hold instruction latencies/sizes for processor types.
11775         (rs6000_cost): New global variable pointing to current CPU's costs.
11776         (rs6000_override_options): Initialize rs6000_cost to point to the
11777         appropriate cost table based upon rs6000_cpu and optimize_size.
11778         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
11779         timings inline.
11780
11781 2004-07-02  Richard Henderson  <rth@redhat.com>
11782
11783         * expmed.c (make_tree): Don't use SET_DECL_RTL.
11784
11785 2004-07-02  Steven Bosscher  <stevenb@suse.de>
11786
11787         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
11788
11789 2004-07-01  Richard Henderson  <rth@redhat.com>
11790
11791         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
11792         (alpha_gp_save_rtx): Use assign_stack_local instead of
11793         gen_mem_addressof.
11794
11795 2004-07-01  Richard Henderson  <rth@redhat.com>
11796
11797         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
11798         (alpha_rtx_cost_data): Update to match.
11799         (alpha_rtx_cost_size): New.
11800         (alpha_rtx_costs): Honor optimize_size.
11801
11802 2004-07-01  Richard Henderson  <rth@redhat.com>
11803
11804         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
11805         * cfgexpand.c (tree_expand_cfg): Do it here.
11806         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
11807         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
11808         * config/mips/mips.c (mips_output_mi_thunk): And here.
11809         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
11810         * config/sh/sh.c (sh_output_mi_thunk): And here.
11811         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
11812
11813 2004-07-01  Richard Henderson  <rth@redhat.com>
11814
11815         * tree.def (RTL_EXPR): Remove.
11816         * c-typeck.c (lvalue_p): Don't handle it.
11817         * expr.c (safe_from_p): Likewise.
11818         (expand_expr_real_1): Likewise.
11819         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
11820         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
11821         * gengtype.c (adjust_field_tree_exp): Likewise.
11822         * stmt.c (warn_if_unused_value): Likewise.
11823         * tree-gimple.c (recalculate_side_effects): Likewise.
11824         * tree-pretty-print.c (dump_generic_node): Likewise.
11825         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
11826         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
11827         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
11828
11829         * stmt.c (struct stmt_status): Remove x_last_expr_type,
11830         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
11831         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
11832         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
11833         all the bits that tracked last_expr.
11834         (expand_end_bindings): Don't track last_expr.
11835         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
11836         (clear_last_expr): Remove.
11837         (expand_asm): Don't call it.
11838         (expand_asm_operands, expand_end_cond): Likewise.
11839         (expand_naked_return, expand_null_return_1): Likewise.
11840         * c-typeck.c (c_begin_compound_stmt): Likewise.
11841         * cfgexpand.c (expand_block): Use expand_expr_stmt.
11842         * expr.c (expand_expr_real_1): Likewise.
11843         * tree.h: Update prototypes.
11844
11845         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
11846         (struct emit_status): Remove sequence_rtl_expr.
11847         (struct function): Remove x_rtl_expr_chain.
11848         (seq_rtl_expr, rtl_expr_chain): Remove.
11849         * function.c (struct temp_slot): Remove rtl_expr.
11850         (assign_stack_temp_for_type): Don't set it.
11851         (free_temp_slots, pop_temp_slots): Don't check it.
11852         (free_after_compilation): Don't clear x_rtl_expr_chain.
11853         (fixup_var_refs): Don't search it.
11854         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
11855         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
11856         or seq_rtl_expr.
11857         (push_topmost_sequence): Likewise.
11858         (end_sequence, init_emit): Likewise.
11859         (start_sequence_for_rtl_expr): Remove.
11860         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
11861         * rtl.h (preserve_rtl_expr_result): Remove.
11862
11863 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
11864
11865         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
11866         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
11867         typos.
11868
11869 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
11870
11871         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
11872         (STANDARD_STARTFILE_PREFIX_2): Define.
11873         (standard_startfile_prefix_1): Initialize to
11874         STANDARD_STARTFILE_PREFIX_1.
11875         (standard_startfile_prefix_2): Initialize to
11876         STANDARD_STARTFILE_PREFIX_2.
11877         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
11878         (STANDARD_STARTFILE_PREFIX_1): Define.
11879         (STANDARD_STARTFILE_PREFIX_2): Define.
11880         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
11881         (STANDARD_STARTFILE_PREFIX_2): Document.
11882
11883 2004-07-01  Richard Henderson  <rth@redhat.com>
11884
11885         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
11886         in order to disable scalarization.  Instead set a flag and wait
11887         for a candidate decl.
11888
11889 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
11890
11891         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
11892         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
11893         Use terminology "testsuite" and "enumerated".
11894
11895 2004-07-01  Richard Henderson  <rth@redhat.com>
11896
11897         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
11898         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
11899         (initial_return_save): Likewise.
11900         (flush_queued_reg_saves): Remap register numbers.
11901         (dwarf2out_return_reg): Likewise.
11902
11903 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11904
11905         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
11906
11907         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
11908         access functions for lower bound and element size and only output
11909         if lower bound nonzero or element size not same as that of type.
11910         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
11911
11912 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11913
11914         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
11915
11916 2004-07-01  Per Bothner  <per@bothner.com>
11917
11918         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
11919
11920 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
11921
11922         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
11923         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
11924         first operand.  Don't optimize if the bitfield is volatile.
11925
11926 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
11927
11928         * c-pretty-print.c (pp_c_postfix_expression): Handle
11929         floating-point comparison operators.
11930         (pp_c_expression): Pass floating-point comparison
11931         operators to pp_c_postfix_expression.
11932
11933 2004-07-01  Roger Sayle  <roger@eyesopen.com>
11934
11935         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
11936         rtx_cost instead of "had_mult" to determine whether the transformed
11937         expression is cheaper than the original.
11938
11939 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
11940
11941         * alias.c (get_alias_set, canon_rtx, get_addr,
11942         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
11943         Use MEM_P.
11944         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
11945         expand_builtin): Likewise.
11946         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
11947         Likewise.
11948         * combine.c (can_combine_p, combinable_i3pat, try_combine,
11949         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
11950         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
11951         record_dead_and_set_regs_1, get_last_value_validate,
11952         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
11953         * cse.c (check_dependence, canon_hash, equiv_constant,
11954         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
11955         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
11956         count_reg_usage): Likewise.
11957         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
11958         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
11959         cselib_record_sets): Likewise.
11960         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
11961         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
11962         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
11963         * df.c (df_uses_record): Likewise.
11964         * dojump (do_jump): Likewise.
11965         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
11966         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
11967         decl_start_label): Likewise.
11968         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
11969         operand_subword, change_address_1, make_safe_from): Likewise.
11970         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
11971         stabilize, force_not_mem): Likewise.
11972         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
11973         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
11974         * expr.c (convert_move, convert_modes, emit_block_move,
11975         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
11976         emit_move_insn_1, expand_assignment, store_expr,
11977         store_constructor_field, store_constructor, store_field,
11978         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
11979         Likewise.
11980         * final.c (cleanup_subreg_operands, alter_subreg,
11981         get_mem_expr_from_op): Likewise.
11982         * flow.c (notice_stack_pointer_modification_1,
11983         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
11984         Likewise.
11985         * function.c (mark_temp_addr_taken, preserve_temp_slots,
11986         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
11987         optimize_bit_field, flush_addressof, purge_addressof_1,
11988         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
11989         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
11990         keep_stack_depressed): Likewise.
11991         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
11992         noce_process_if_block, find_memory): Likewise.
11993         * integrate.c (subst_constants, allocate_initial_values): Likewise.
11994         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
11995         update_equiv_regs): Likewise.
11996         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
11997         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
11998         * optabs.c (expand_abs, emit_unop_insn): Likewise.
11999         * passes.c (rest_of_handle_final): Likewise.
12000         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
12001         move2add_note_store): Likewise.
12002         * ra-build.c (detect_remat_webs): Likewise.
12003         * ra-debug.c (dump_static_insn_cost): Likewise.
12004         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
12005         * recog.c (validate_change, apply_change_group, cancel_changes,
12006         validate_replace_rtx_1, general_operand, register_operand,
12007         nonmemory_operand, push_operand, pop_operand, memory_operand,
12008         indirect_operand, asm_operand_ok, offsettable_memref_p,
12009         offsettable_nonstrict_memref_p, constrain_operands,
12010         store_data_bypass_p): Likewise.
12011         * reg-stack.c (subst_stack_regs_pat): Likewise.
12012         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
12013         copy_cost, reg_scan_mark_refs): Likewise.
12014         * regmove.c (optimize_reg_copy_3, stack_memref_p,
12015         combine_stack_adjustments_for_block): Likewise.
12016         * regrename.c (copyprop_hardreg_forward_1): Likewise.
12017         * reload.c (can_reload_into, push_reload, decompose, immune_p,
12018         find_reloads, find_reloads_address, find_reloads_address_1,
12019         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
12020         find_equiv_reg): Likewise.
12021         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
12022         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
12023         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
12024         delete_address_reloads): Likewise.
12025         * resource.c (mark_referenced_resources): Likewise.
12026         * rtlanal.c (get_jump_table_offset, count_occurrences,
12027         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
12028         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
12029         num_sign_bit_copies1): Likewise.
12030         * rtlhooks.c (gen_lowpart_general): Likewise.
12031         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
12032         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
12033         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
12034         sdbout_global_decl): Likewise.
12035         * simplify-rtx.c (simplify_subreg): Likewise.
12036         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
12037         expand_anon_union_decl, expand_end_case_type): Likewise.
12038         * unroll.c (calculate_giv_inc): Likewise.
12039         * var-tracking.c (stack_adjust_offset_pre_post,
12040         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
12041         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
12042         vt_add_function_parameters): Likewise.
12043         * varasm.c (make_var_volatile, notice_global_symbol,
12044         assemble_external, decode_addr_const, mark_weak,
12045         default_encode_section_info): Likewise.
12046
12047 2004-07-01  Steven Bosscher  <stevenb@suse.de>
12048
12049         * stmt.c (check_seenlabel): Remove.
12050         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
12051
12052 2004-07-01  Richard Henderson  <rth@redhat.com>
12053
12054         * function.h (struct function): Remove x_function_call_count.
12055         (function_call_count): Remove.
12056         * calls.c (expand_call): Don't set it.
12057         * integrate.c (copy_rtx_and_substitute): Likewise.
12058
12059         * function.h (struct function): Remove x_cleanup_label.
12060         (cleanup_label): Remove.
12061         * stmt.c (expand_value_return): Don't use it.
12062         * function.c (free_after_compilation): Don't set it.
12063         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
12064         * cfgexpand.c (tree_expand_cfg): Update call.
12065         * tree.h (expand_function_start): Update decl.
12066
12067 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
12068
12069         PR c/1027
12070         * c-lang.c (c_initialize_diagnostics): Move from here ...
12071         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
12072         (c_tree_printer): Use pretty-printer to format %T.
12073         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
12074         before '*' if not C++.
12075         (pp_c_direct_abstract_declarator): Don't try to print array upper
12076         bound for flexible array members.
12077         * c-tree.h: Include "diagnostic.h".
12078         (c_initialize_diagnostics): Declare.
12079         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
12080         * c-format.c (format_type_warning): New function.  Improve
12081         diagnostics for incorrect format argument types.
12082         (check_format_types): Use it.  Add two parameters.  Use the
12083         TYPE_MAIN_VARIANT of wanted_type.
12084         (check_format_info_main): Pass new parameters to
12085         check_format_types.
12086         (struct format_wanted_type): Update comment.
12087
12088 2004-07-01  Nick Clifton  <nickc@redhat.com>
12089
12090         * target.h (struct gcc_target): Add new field to struct cxx:
12091         import_export_class.
12092         * target-def.h (TARGET_CXX): Initialise the new field.
12093         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
12094         the new field.
12095         * doc/tm.texi: Document the new target hook.
12096
12097 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12098
12099         * builtins.c (fold_builtin_classify): Fix typo.
12100
12101 2004-07-01  Richard Henderson  <rth@redhat.com>
12102
12103         * function.c (identify_blocks, identify_blocks_1): Remove.
12104         * function.h (identify_blocks): Remove.
12105         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
12106
12107 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12108
12109         * builtins.c (fold_builtin_classify): New.
12110         (fold_builtin_unordered_cmp): Fix commentary.
12111         (fold_builtin): Use it.
12112         * builtins.def: Define builtins for isnan,
12113         isnanf, isnanl, finite, finitef, finitel,
12114         isinf, isinff, isinfl.
12115
12116 2004-07-01  Richard Henderson  <rth@redhat.com>
12117
12118         * function.h (struct function): Remove dont_emit_block_notes.
12119         * gimple-low.c (lower_function_body): Don't set it.
12120         * cfgexpand.c (expand_block): Don't check it.
12121         * cfglayout.c (insn_locators_initialize): Likewise.
12122         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
12123         * passes.c (rest_of_compilation): Likewise.
12124         * stmt.c (expand_start_bindings_and_block): Likewise.
12125         (expand_end_bindings): Likewise.
12126
12127 2004-07-01  Richard Henderson  <rth@redhat.com>
12128
12129         * cgraph.h (cgraph_build_static_cdtor): Declare.
12130         * cgraphunit.c (cgraph_build_static_cdtor): New.
12131         * c-objc-common.c (build_cdtor): Use it.
12132         * coverage.c (create_coverage): Likewise.
12133         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
12134         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
12135
12136 See ChangeLog.11 for earlier changes.