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* tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-08  Jan Hubicka  <jh@suse.cz>
2
3         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
4         variables being alias set.
5
6 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7
8         * final.c (shorten_branches, final, get_insn_template,
9         output_alternate_entry_point, final_scan_insn, alter_subreg,
10         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
11         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
12         * fix-header.c (lookup_std_proto): Likewise.
13         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
14         verify_local_live_at_start, update_life_info, mark_reg,
15         calculate_global_regs_live, allocate_reg_life_data,
16         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
17         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
18         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
19         * fold-const.c (force_fit_type, div_and_round_double,
20         may_negate_without_overflow_p, int_const_binop, const_binop,
21         size_binop, size_diffop, fold_convert_const, fold_convert,
22         invert_tree_comparison, swap_tree_comparison,
23         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
24         range_binop, make_range, fold_cond_expr_with_comparison,
25         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
26         fold_abs_const, fold_not_const, fold_relational_const, round_up,
27         round_down): Likewise.
28         * function.c (find_function_data, assign_stack_temp_for_type,
29         instantiate_virtual_regs_lossage, aggregate_value_p,
30         assign_parm_find_entry_rtl, assign_parm_setup_block,
31         expand_function_start, expand_function_end, keep_stack_depressed,
32         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
33
34 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
35
36         * Makefile.in (tree-loop-linear.o): Added.
37         (OBJS-common): Add tree-loop-linear.o
38         * common.opt: New flag, ftree-loop-linear.
39         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
40         * tree-flow.h: Add prototype for linear_transform_loops.
41         * tree-optimize.c: Add linear transform after vectorization.
42         * tree-pass.h: Add struct pass_linear_transform.
43         * tree-ssa-loop.c: Add pass_linear_transform.
44         * tree-loop-linear.c: New file.
45         * lambda-code.c: gcc_assertify.
46         (gcc_loop_to_lambda_loop): Handle all exit tests.
47         Handle case where we have (invariant >= induction var).
48         (find_induction_var_from_exit_cond): Ditto.
49         
50 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
51
52         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
53         memory tag is call clobbered, so are its aliases.
54         (group_aliases): When two memory tags being grouped, if one is
55         call clobbered, so are the other and its aliases.
56         (add_may_alias): Remove call-clobbering stuff.
57         (replace_may_alias): Likewise.
58         (merge_pointed_to_info): Merge pt_global_mem
59
60 2004-09-08  Jan Hubicka  <jh@suse.cz>
61
62         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
63         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
64         (cgraph_expand_function): Remove stale cgraph edges of currently
65         compiled function; fix non-unit-at-a-time code copying function
66         node for later reuse.
67
68 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
69
70         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
71         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
72         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
73         (vec_gc_free, vec_heap_free): New.
74         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
75         (DEF_VEC_P): Add allocator argument. Adjust.
76         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
77         (DEF_VEC_O): Add allocator argument. Adjust.
78         (VEC(free)): New.
79
80         * tree.h (tree): Define a GC'd vector.
81         * lamba-code.c (lambda_loop): Likewise.
82         * value-prof.h (histogram_value): Likewise.
83
84 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
85
86         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
87         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
88         gen_lowpart_common, gen_highpart, gen_highpart_mode,
89         subreg_highpart_offset, operand_subword, operand_subword_force,
90         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
91         set_mem_alias_set, change_address_1, verify_rtx_sharing,
92         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
93         try_split, add_insn_after, add_insn_before, remove_insn,
94         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
95         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
96         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
97         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
98         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
99         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
100         record_path_before_1, check_path_after_1, check_path_after): Likewise.
101         * except.c (gen_eh_region, resolve_one_fixup_region,
102         remove_unreachable_regions, convert_from_eh_region_ranges_1,
103         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
104         connect_post_landing_pads, sjlj_emit_function_exit,
105         remove_exception_handler_label, remove_eh_handler,
106         reachable_next_level, collect_one_action_chain,
107         output_function_exception_table): Likewise.
108         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
109         optimize_save_area_alloca, allocate_dynamic_stack_space,
110         probe_stack_range, hard_function_value): Likewise.
111         * expmed.c (mode_for_extraction, store_bit_field,
112         store_fixed_bit_field, extract_bit_field, expand_shift,
113         expand_mult_const, expand_mult, choose_multiplier,
114         expand_mult_highpart, expand_divmod, emit_store_flag,
115         do_cmp_and_jump): Likewise.
116         * expr.c (convert_move, convert_modes, move_by_pieces,
117         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
118         move_block_from_reg, gen_group_rtx, emit_group_load,
119         emit_group_move, emit_group_store, use_reg, use_regs,
120         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
121         emit_move_insn, emit_move_insn_1, emit_push_insn,
122         expand_assignment, store_expr, count_type_elements,
123         store_constructor, store_field, safe_from_p, expand_var,
124         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
125
126 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
127
128         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
129         gcc_assert and gcc_unreachable.
130         * ddg.c (create_ddg_dependence, add_deps_for_def,
131         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
132         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
133         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
134         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
135         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
136         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
137         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
138         dataflow_set_copy, hybrid_search, diagnostic.c,
139         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
140         * dojump.c (do_jump): Likewise.
141         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
142         compute_dom_fast_query, calculate_dominance_info,
143         free_dominance_info, get_immediate_dominator,
144         set_immediate_dominator, get_dominated_by,
145         redirect_immediate_dominators, nearest_common_dominator,
146         dominated_by_p, verify_dominators, recount_dominator,
147         iterate_fix_dominators, add_to_dominance_info,
148         delete_from_dominance_info): Likewise.
149         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
150         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
151         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
152         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
153         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
154         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
155         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
156         output_call_frame_info, output_loc_operands, build_cfa_loc,
157         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
158         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
159         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
160         splice_child_die, attr_checksum, same_dw_val_p,
161         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
162         unmark_dies, value_format, output_loc_list, output_die,
163         output_pubnames, output_aranges, base_type_die, is_base_type,
164         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
165         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
166         field_byte_offset, add_data_member_location_attribute,
167         add_const_value_attribute, rtl_for_decl_location,
168         add_location_or_const_value_attribute, add_byte_size_attribute,
169         add_bit_offset_attribute, add_bit_size_attribute,
170         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
171         decl_start_label, gen_formal_parameter_die,
172         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
173         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
174         force_decl_die, force_type_die, gen_decl_die,
175         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
176         dwarf2out_finish): Likewise.
177
178 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
179
180         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
181         * builtins.c: Include tree-mudflap.h.
182
183 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
184
185         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
186         force operand 0.0 into register in XFmode. Also do not force
187         operand 0.0 into register if !TARGET_CMOVE.
188         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
189         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to 
190         implement ftst x87 instruction.
191         (*fp_jcc_7): New insn pattern. Change corresponding split
192         pattern to handle "general_operand" instead of
193         "nonimmediate_operand".
194
195 2004-09-08  Ben Elliston  <bje@au.ibm.com>
196
197         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
198
199 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
200
201         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
202         generated from standard va_arg expansion.
203         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
204         marked nodes.
205         (mf_varname_tree, mf_file_function_line_tree): Add some support
206         for column numbers if compiled with USE_MAPPED_LOCATION.
207
208 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
209
210         * c-decl.c (groktypename_in_parm_context): Remove function.
211         * c-tree.h (groktypename_in_parm_context): Remove prototype.
212
213 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
214
215         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
216         * c-parse.in: Include c-common.h instead of objc-act.h.
217         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
218         myparms, myparm): Remove %type declarations.
219         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
220         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
221         declarations.
222         (objc_inherit_code, objc_public_flag): Remove.
223         (typespec_nonreserved_nonattr): Call
224         objc_get_protocol_qualified_type() instead of get_static_reference()
225         and get_protocol_reference().
226         (stmt_nocomp): Call grokparm() on @catch parameter.
227         (objcdef): Move semantic action to objc_finish_implementation().
228         (classdef): Move semantic action to objc_start_class_interface(),
229         objc_continue_interface(), objc_finish_interface(),
230         objc_start_class_implementation(), objc_continue_implementation(),
231         objc_start_category_interface() and
232         objc_start_category_implementation().
233         (protocoldef): Move semantic actions to objc_start_protocol() and
234         objc_finish_interface().
235         (ivar_decl_list): Remove nonterminal.
236         (visibility_spec): Move semantic actions to objc_set_visibility().
237         (ivar_decls): Remove assignment to $$.
238         (ivar_decl): Rephrase in terms of component_decl; call
239         objc_add_instance_variable().
240         (ivars, ivar_declarator): Remove nonterminals.
241         (opt_semi): New nonterminal.
242         (methodtype): Remove semantic actions.
243         (methoddef): Move semantic actions to objc_set_method_type(),
244         objc_start_method_definition() and objc_finish_method_definition().
245         (methodproto): Move semantic actions to objc_set_method_type() and
246         objc_add_method_declaration().
247         (methoddecl): Use objc_typename instead of typename; move semantic
248         actions to objc_build_method_signature().
249         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
250         (optparmlist): Express in terms of optparms and optellipsis.
251         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
252         nonterminals.
253         (keyworddecl): Use objc_typename instead of typename.
254         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
255         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
256
257 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
258
259         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
260         (MD_FALLBACK_FRAME_STATE_FOR): Update.
261         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
262         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
263         (MD_FROB_UPDATE_CONTEXT): Remove default.
264         (uw_update_context_1): Instead #ifdef invocation.
265         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
266         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
267         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
268         (MD_UNWIND_SUPPORT): Undefine this instead.
269         * config/i386/gnu.h: Likewise.
270         * config/alpha/linux-unwind.h: New file, macro converted to
271         function, extracted from..
272         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
273         (MD_UNWIND_SUPPORT): Define.
274         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
275         * config/i386/linux-unwind.h, config/i386/linux.h,
276         config/i386/linux64.h: Likewise.
277         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
278         MD_HANDLE_UNWABI too.
279         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
280         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
281         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
282         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
283         * config/sparc/linux-unwind.h, config/sparc/linux.h,
284         config/sparc/linux64.h: Likewise.
285         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
286         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
287         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
288         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
289         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
290
291 2004-09-07  Jan Hubicka  <jh@suse.cz>
292
293         * cse.c (fold_rtx):  Avoid building of
294         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
295
296         * tree-ssa-pre.c (grand_bitmap_obstack): New.
297         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
298         (init_pre): Initialize obstack.
299         (fini_pre): Free obstack.
300
301 2004-09-07  David Daney  <ddaney@avtrex.com>
302
303         * config.gcc: Added support for --with-divide=[breaks|traps] for
304         mips targets.
305         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
306         (TARGET_DIVIDE_TRAPS): New macro.
307         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
308         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
309         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
310         GENERATE_DIVIDE_TRAPS.
311         (mips_output_division): Emit conditional trap if
312         GENERATE_DIVIDE_TRAPS is set.
313         * doc/install.texi: Document --with-divide.
314         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
315
316 2004-09-07  Caroline Tice  <ctice@apple.com>
317
318         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
319         EDGE_CROSSING, to flags test case.
320         
321 2004-09-07  Jan Hubicka  <jh@suse.cz>
322
323         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
324         class too.
325
326 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
327
328         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
329         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
330         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
331         or gcc_unreachable.
332         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
333         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
334         alloc_aux_for_edges, free_aux_for_edges): Likewise.
335         * cfgcleanup.c (try_forward_edges,
336         merge_blocks_move_predecessor_nojumps,
337         merge_blocks_move_successor_nojumps): Likewise.
338         * cfgexpand.c (expand_gimple_cond_expr,
339         expand_gimple_tailcall): Likewise.
340         * cfghooks.c (duplicate_block): Likewise.
341         * cfglayout.c (record_effective_endpoints,
342         insn_locators_initialize, change_scope, fixup_reorder_chain,
343         verify_insn_chain, fixup_fallthru_exit_predecessor,
344         duplicate_insn_chain, cfg_layout_finalize): Likewise.
345         * cfgloopanal.c (check_irred): Likewise.
346         * cfgloop.c (superloop_at_depth, flow_loops_free,
347         flow_loop_entry_edges_find, flow_loops_find,
348         flow_loop_outside_edge_p, get_loop_body,
349         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
350         get_loop_exit_edges, num_loop_branches, cancel_loop,
351         verify_loop_structure): Likewise.
352         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
353         duplicate_loop_to_header_edge, create_preheader,
354         create_loop_notes): Likewise.
355         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
356         edirect_branch_edge, force_nonfallthru_and_redirect,
357         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
358         commit_edge_insertions, commit_edge_insertions_watch_calls,
359         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
360         cfg_layout_redirect_edge_and_branch_force,
361         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
362         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
363         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
364         cgraph_varpool_node): Likewise.
365         * cgraphunit.c (cgraph_finalize_function,
366         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
367         cgraph_expand_function, cgraph_remove_unreachable_nodes,
368         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
369         cgraph_mark_inline, cgraph_expand_all_functions,
370         cgraph_build_static_cdtor): Likewise.
371         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
372         simplify_logical, distribute_notes, insn_cuid): Likewise.
373         * conflict.c (conflict_graph_add, print_conflict): Likewise.
374         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
375         coverage_checksum_string): Likewise.
376         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
377         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
378         cse_cc_succs, cse_condition_code_reg): Likewise.
379         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
380         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
381         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
382         cselib_record_set): Likewise.
383
384 2004-09-07  Jan Hubicka  <jh@suse.cz>
385
386         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
387
388 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
389
390         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
391         fold_convert.
392         (fold_builtin_strpbrk): Likewise.
393         * expr.c (array_ref_low_bound): Likewise.
394         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
395         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
396         * tree-sra.c (generate_element_zero): Likewise.
397         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
398         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
399         add_old_iv_candidates, add_iv_candidates): Likewise.
400         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
401
402 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
403
404         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
405         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
406         c_expand_expr, boolean_increment, nonnull_check_p,
407         check_function_arguments_recurse, fold_offsetof_1): Likewise.
408         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
409         builtin_define_type_max): Likewise.
410         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
411         implicit_decl_warning, builtin_function, build_compound_literal,
412         complete_array_type, grokdeclarator, get_parm_info,
413         start_function, store_parm_decls_oldstyle,
414         c_write_global_declarations): Likewise.
415         * c-format.c (get_constant, decode_format_attr,
416         maybe_read_dollar_number, get_flag_spec, check_format_arg,
417         check_format_types, format_type_warning,
418         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
419         init_dynamic_diag_info, handle_format_attribute): Likewise.
420         * c-gimplify.c (push_context, pop_context, finish_bc_block): 
421         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
422         * c-objc-common.c (c_tree_printer): Likewise.
423         * c-pch.c (pch_init): Likewise.
424         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
425         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
426         * c-typeck.c (c_incomplete_type_error, composite_type,
427         common_pointer_type, common_type, same_translation_unit_p,
428         tagged_types_tu_compatible_p, finish_init, pop_init_level,
429         set_designator, set_nonincremental_init_from_string,
430         process_init_element, c_finish_if_stmt): Likewise.
431         * caller-save.c (init_caller_save, save_call_clobbered_regs,
432         insert_restore, insert_save, insert_one_insn): Likewise.
433         * calls.c (emit_call_1, compute_argument_block_size,
434         precompute_arguments, expand_call, emit_library_call_value_1,
435         store_one_arg): Likewise.
436
437 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
438
439         * configure.ac (enable-checking): Add release option. Reorganize
440         to avoid repetition.
441         * configure: Rebuilt.
442         * doc/install.texi (enable-checking): Amend documentation.
443
444 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
445
446         PR bootstrap/17313
447         * Makefile.in (specs.ready): Depend on cc1$(exeext).
448
449 2004-09-06  James E Wilson  <wilson@specifixinc.com>
450
451         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
452         movdf_hardfloat_32bit): Split fG into two alternatives.
453         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
454
455         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
456
457 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
458
459         * final.c (output_in_slot): Delete.
460         (final_scan_insn): Revert 2004-09-03 change.
461         (output_asm_insn): Likewise.
462         * config/sparc/sparc.c (output_return): Likewise.
463         (output_sibcall): Likewise.
464
465 2004-09-06  Jan Hubicka  <jh@suse.cz>
466
467         * loop.c (loop_dump_aux): Do not print RTL when not available.
468         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
469         frontend specific type nodes.
470         (produce_memory_decl_rtl): Break out from ...
471         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
472         (get_computation_at): Avoid random tree sharing.
473         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
474
475 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
476
477         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
478         unnecessary commands.
479
480 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
481
482         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
483         (bitmap.o): Likewise.
484
485 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
486
487         Unify the management of RTL and tree-level dump files.
488
489         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
490         Don't print function name to the dump file, the pass manager
491         would do this for us. Add code from the top of
492         rest_of_compilation, up to the initial RTL dump.
493         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
494         close the DFI_sibling dump file.
495         (rest_of_compilation): Don't do that here.  Remove code up to the
496         initial RTL dump.
497         (init_optimization_passes): Remove.
498         (pass_rest_of_compilation): Change pass name to NULL.
499         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
500         Do not call init_optimization_passes.
501         * toplev.h (init_optimization_passes): Remove.
502
503         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
504         finish_graph_dump_file): Remove SUFFIX parameter.
505         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
506         finish_graph_dump_file): Likewise.
507
508         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
509         * cfgexpand.c (pass_expand): Adjust.
510         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
511         * passes.c (pass_rest_of_compilation): Adjust.
512         * predict.c (pass_profile): Adjust.
513         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
514         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
515         pass_split_crit_edges, pass_warn_function_return): Adjust.
516         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
517         * tree-dfa.c (pass_referenced_vars): Adjust.
518         * tree-eh.c (pass_lower_eh): Adjust.
519         * tree-if-conv.c (pass_build_ssa): Adjust.
520         * tree-into-ssa.c (pass_build_ssa): Adjust.
521         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
522         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
523         * tree-nrv.c (pass_nrv): Adjust.
524         * tree-optimize.c (pass_gimple, pass_all_optimizations,
525         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
526         pass_init_datastructures): Adjust.
527         * tree-outof-ssa.c (pass_del_ssa): Adjust.
528         * tree-profile.c (pass_tree_profile): Adjust.
529         * tree-sra.c (pass_sra): Adjust.
530         * tree-ssa-alias.c (pass_may_alias): Adjust.
531         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
532         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
533         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
534         * tree-ssa-dom.c (pass_dominator): Adjust.
535         * tree-ssa-dse.c (pass_dse): Adjust.
536         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
537         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
538         * tree-ssa-loop-ch.c (pass_ch): Adjust.
539         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
540         pass_loop_done, pass_complete_unroll, pass_iv_canon,
541         pass_iv_optimize, pass_vectorize): Adjust.
542         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
543         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
544         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
545         pass_late_warn_uninnitialized): Adjust.
546         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
547
548         * Makefile.in (tree-dump.o): Add new dependencies.
549         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
550         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
551         Likewise.
552         * toplev.c (dump_file_name): New.
553         * tree-dump.c (dump_enable_all): Add LETTER parameter.
554         (struct dump_file_info): Add NUM and LETTER fields.
555         (dump_files): Adjust and add RTL dump files.
556         (dump_register): Add NUM and LETTER fields.
557         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
558         (dump_begin): Use get_dump_file_name.
559         (dump_switch_p_1): Adjust call to dump_enable_all.
560         * tree-dump.h (dump_register): Adjust prototype.
561         * tree-optimize.c (register_one_dump_file): Take dump file index.
562         Support flags for RTL dumps.
563         (register_dump_files): Fill in NUM field of struct dump_file_info.
564         Track properties both when the gate is executed and when it is not.
565         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
566         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
567         dumps of RTL.
568         * tree-pass.h (dump_file_name): New.
569         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
570         New.
571
572         * Makefile.in (passes.o): Add new dependencies.
573         * passes.c (struct dump_file_info, enum dump_file_index,
574         dump_file_tbl, init_optimization_passes): Remove.
575         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
576         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
577         dump_enabled_p.
578         (finish_optimization_passes): Update finish_graph_dump_file loop.
579         (enable_rtl_dump_file): Remove.
580         * tree-dump.c (dump_files): Adjust and add RTL dump files.
581         (enable_rtl_dump_file): Add here.
582         * tree.h (enum tree_dump_index): Add RTL dump file indices.
583         * doc/invoke.texi (Debugging options): Document new RTL debugging
584         options.  Update.
585
586 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
587
588         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
589         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
590         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
591         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
592         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
593         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
594         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
595         vec.h: Fix comment formatting.
596
597 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
598
599         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
600         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
601         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
602         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
603         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
604         tree-ssa-loop-niter.c, tree-ssa-operands.c,
605         tree-ssa-operands.h, tree-ssa-propagate.c,
606         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
607         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
608
609 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
610
611         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
612         vectorizer is enabled.
613
614 2004-09-05  Andreas Jaeger  <aj@suse.de>
615
616         * tree-if-conv.c: Spell check comments and clean up whitespace.
617
618 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
619
620         * tree-ssa-loop-ivopts.c: New file.
621         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
622         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
623         target_pres_cost, target_spill_cost): Declare.
624         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
625         spill_cost): Renamed to ...
626         (target_avail_regs, target_res_regs, target_small_cost,
627         target_pres_cost, target_spill_cost): ... and exported.
628         (init_set_costs, global_cost_for_size): Work with renamed variables.
629         * common.opt (flag_ivopts): New flag.
630         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
631         REF_ORIGINAL.
632         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
633         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
634         generating SSA form.
635         (force_gimple_operand): New function.
636         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
637         * tree-cfg.c (stmt_bsi): New function.
638         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
639         PARAM_IV_MAX_CONSIDERED_USES): New.
640         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
641         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
642         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
643         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
644         * tree-nested.c (build_addr): Export.
645         * tree-optimize.c (init_tree_optimization_passes): Add
646         pass_iv_optimize.
647         * tree-pass.h (pass_iv_optimize): Declare.
648         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
649         IMAGPART_EXPR.
650         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
651         as a phi node argument.
652         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
653         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
654         functions.
655         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
656         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
657         pass_iv_optimize): New pass.
658         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
659         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
660         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
661         * tree.h (REF_ORIGINAL): New macro.
662         (build_int_cst_type, unsigned_type_for, zero_p,
663         cst_and_fits_in_hwi, build_addr): Declare.
664         * doc/invoke.texi (-fivopts): Document.
665         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
666         PARAM_IV_MAX_CONSIDERED_USES): Document.
667         * doc/passes.texi: Document induction variable optimizations pass.
668
669 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
670
671         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
672         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
673         * c-common.c (c_common_attribute_table): Accept parameters to
674         sentinel attribute.
675         (check_function_sentinel, handle_sentinel_attribute): Likewise.
676         * doc/extend.texi: Update accordingly.
677
678 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
679
680         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
681         New.
682         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
683         attribute.
684         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
685         New functions.
686         (c_common_attribute_table): Add `sentinel' attribute.
687         (check_function_arguments): Handle `sentinel' attribute.
688         * doc/extend.texi: Document `sentinel' attribute.
689
690 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
691
692         * configure: Regenerated.
693
694 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
695
696         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
697
698         * tree.c (save_expr): No longer TREE_READONLY.
699
700 2004-09-04  Jan Hubicka  <jh@suse.cz>
701
702         * passes.c (rest_of_clean_state):  Fix merge conflict made during
703         commiting the patch.
704
705 2004-09-04  Jan Hubicka  <jh@suse.cz>
706
707         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
708
709 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
710
711         * doc/md.texi (shift patterns): New anchor.  Add reference to
712         TARGET_SHIFT_TRUNCATION_MASK.
713         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
714         * target.h (shift_truncation_mask): New target hook.
715         * targhook.h (default_shift_truncation_mask): Declare.
716         * targhook.c (default_shift_truncation_mask): Define.
717         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
718         (TARGET_INITIALIZER): Include it.
719         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
720         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
721         reject all out-of-range values.  Fix sign-extension code for modes
722         whose width is smaller than HOST_BITS_PER_WIDE_INT.
723         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
724         (expand_superword_shift, expand_subword_shift): Likewise.
725         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
726         (expand_binop): Use them to implement double-word shifts.
727         * config/arm/arm.c (arm_shift_truncation_mask): New function.
728         (TARGET_SHIFT_TRUNCATION_MASK): Define.
729
730 2004-09-04  Jan Hubicka  <jh@suse.cz>
731
732         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
733         (mix): New macro copied from hashtab.c
734         (iterative_hash_hashval_t, iterative_hash_pointer,
735         iterative_hash_host_wide_int): New functions based on hashtab.c
736         implementation.
737
738 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
739
740         * config/mips/mips.md (mask): New mode attribute.
741         (zero_extendsidi2): Add memory alternative.
742         (*zero_extendsidi2_mem): Delete.
743         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
744         memory_operand in the TARGET_MIPS16 check.
745         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
746         Redefine using :GPR and :SHORT.
747         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
748
749 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
750
751         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
752         using rint_optab.
753         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
754         expand_builtin_mathfn.
755         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
756         btrunc?f patterns for btrunc_optab. Implement rint_optab using
757         rint?f patterns.
758         * optabs.c (init_optabs): Initialize rint_optab.
759         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
760         Add new OTI_rint.
761         (btrunc_optab): Rename macro from trunc_optab.
762         (rint_optab): Define corresponding macro.
763
764         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
765         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
766
767         * config/i386/i386-protos.h (emit_i387_cw_initialization):
768         Change prototype. Add new int parameter.
769         * config/i386/i386.c (emit_i387_cw_initialization):
770         Handle new rounding modes.
771
772         * config/i386/i386.h (enum fp_cw_mode): Delete.
773         (MODE_NEEDED): Handle new rounding modes.
774         (EMIT_MODE_SET): Change condition to handle new rounding modes.
775
776         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
777         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
778         represent different rounding modes of frndint insn.
779         (type): Add frndint type.
780         (i387, length, memory): Handle this type.
781         (i387_cw): New attribute definition.
782         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
783         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
784         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
785         Add "i387_cw" attribute defined to "trunc".
786         (x86_fnstcw_1): Remove comment.
787         (*frndintxf2): Rename insn definition to frndintxf2. Move
788         insn definition near rint?f2 expanders.
789         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
790         rintf and rintl built-ins as inline x87 intrinsics.
791         (frndintxf2_floor): New pattern to implement floor rounding
792         mode with frndint x87 instruction.
793         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
794         floorf and floorl built-ins as inline x87 intrinsics.
795         (frndintxf2_ceil): New pattern to implement ceil rounding
796         mode with frndint x87 instruction.
797         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
798         ceilf and ceill built-ins as inline x87 intrinsics.
799         (frndintxf2_trunc): New pattern to implement trunc rounding
800         mode with frndint x87 instruction.
801         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
802         truncf and truncl built-ins as inline x87 intrinsics.
803         (frndintxf2_mask_pm): New pattern to implement rounding
804         mode with exceptions with frndint x87 instruction.
805         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
806         implement nearbyint, nearbyintf and nearbyintl built-ins as
807         inline x87 intrinsics.
808
809 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
810
811         * config/mips/mips.md (SHORT): New mode macro.
812         (size): New mode attribute.
813         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
814         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
815         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
816         !ISA_HAS_SEB_SEH.
817         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
818         *extend[qh]isi2_hw patterns and extending them to di.
819         (extendqihi2): Implement as define_insn_and_split that produces
820         extendqisi2 after reload.
821
822 2004-09-03  Devang Patel  <dpatel@apple.com>
823
824         * Makefile.in (OBJS-common): Add tree-if-conv.o
825         (tree-if-conv.o): New rule.
826         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
827         (get_loop_body_in_bfs_order): New.
828         * cfgloop.h (get_loop_body_in_bfs_order): New.
829         * tree-flow.h (enum move_pos): Move here from ..
830         * tree-ssa-loop-im.c (enum move_pos): here.
831         (movement_possibility): Make externally visible.
832         * tree-optimize.c (init_tree_optimization_passes): New entry for
833         if conversion pass.
834         * tree-pass.h (pass_if_conversion): New.
835         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
836         * tree-if-conv.c: New file.
837         * doc/passes.texi: Document tree if-conversion pass.
838         * doc/tree-ssa.texi: Same.
839
840 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
841
842         PR target/14925:
843         Makefile.in (LIB2ADDEHSTATIC): New.
844         (LIB2ADDEHSHARED): New.
845         (LIBUNWIND): New.
846         (LIBUNWINDDEP): New.
847         (SHLIBUNWIND_LINK): New.
848         (SHLIBUNWIND_INSTALL): New.
849         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
850         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
851         (clean): Remove libunwind*
852         (stage1-start): Remove and copy stage1/libunwind*.
853         (stage2-start): Remove and copy stage2/libunwind*.
854         (stage3-start): Remove and copy stage3/libunwind*.
855         (stage4-start): Remove and copy stage4/libunwind*.
856         (stageprofile-start): Remove and copy stageprofile/libunwind*.
857         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
858
859         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
860         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
861         tmake_file if --with-system-libunwind isn't used.
862
863         * config/ia64/t-glibc-libunwind: New file.
864         * config/t-libunwind-elf: Likewise.
865         * unwind-compat.c: Likewise.
866         * unwind-compat.h: Likewise.
867         * unwind-dw2-fde-compat.c: Likewise.
868
869         * config/ia64/t-glibc (LIB2ADDEH): Updated.
870         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
871
872         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
873         aliases if needed.
874         * unwind-dw2-fde-glibc.c: Likewise.
875         * unwind-dw2.c: Likewise.
876
877         * config/t-libunwind (LIB2ADDEH): Updated.
878         (LIB2ADDEHSTATIC): New.
879         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
880         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
881
882         * configure.ac: Change --enable-libunwind-exceptions to
883         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
884         * configure: Regenerated.
885         * config.in: Updated.
886
887         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
888         above and mention --with-system-libunwind.
889         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
890         removed in gcc 3.4.3 and later.
891
892         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
893         USE_LIBUNWIND_EXCEPTIONS is defined.
894
895         * mklibgcc.in: Support libunwind.
896
897 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
898
899         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
900         m_NOCONA.
901
902 2004-09-03  Richard Henderson  <rth@redhat.com>
903
904         PR middle-end/9997
905         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
906         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
907         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
908         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
909         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
910         resize_stack_vars_conflict, add_stack_var_conflict,
911         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
912         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
913         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
914         expand_one_static_var, expand_one_hard_reg_var,
915         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
916         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
917         (expand_used_vars): Rewrite.
918         * Makefile.in (cfgexpand.o): Update dependencies.
919
920 2004-09-04  Jan Hubicka  <jh@suse.cz>
921
922         * cfg.c (free_edge): Use ggc_free.
923         (expunge_block): Use ggc_free.
924         * passes.c (rest_of_clean_state): Free after compilation.
925         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
926         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
927
928 2004-09-03  James E Wilson  <wilson@specifixinc.com>
929
930         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
931         DECL_EXTERNAL check.
932
933 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
934
935         * final.c (output_in_slot): New global variable.
936         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
937         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
938         'output_in_slot' before invoking output_asm_insn.
939         (output_asm_insn): Add a space after the tab if 'output_in_slot'
940         is set.
941         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
942         final_scan_insn.
943         (output_sibcall): Likewise.
944
945 2004-09-03  Jan Hubicka  <jh@suse.cz>
946
947         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
948         * tree-ssanames (init_ssanames): Likewise.
949
950 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
951
952         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
953         objc_declare_protocols, objc_start_protocol,
954         objc_start_class_interface, objc_start_category_interface,
955         objc_continue_interface, objc_finish_interface,
956         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
957         objc_start_class_implementation, objc_start_category_implementation,
958         objc_continue_implementation, objc_finish_implementation,
959         objc_add_method_declaration, objc_start_method_definition,
960         objc_finish_method_definition, objc_build_keyword_decl,
961         objc_build_method_signature, objc_build_encode_expr,
962         objc_build_protocol_expr, objc_build_selector_expr,
963         objc_build_message_expr, objc_build_string_object,
964         objc_get_class_reference, objc_get_protocol_qualified_type,
965         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
966
967 2004-09-03  James E Wilson  <wilson@specifixinc.com>
968
969         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
970
971         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
972         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
973         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
974         (mips_recip1_<fmt>): Use frdiv1 type.
975         (mips_recip2_<fmt>): Use frdiv2 type.
976         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
977         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
978         and frsqrt1.
979         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
980
981 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
982
983         * reload.c (find_reloads): Swap operand_loc pointers for
984         find_dummy_reload if we have swapped two operands.
985
986 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
987
988         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
989         to get the tablejump-insn before the jump-table label.
990
991 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
992
993         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
994         objc_declare_protocols, objc_build_message_expr,
995         objc_finish_message_expr, objc_build_selector_expr,
996         objc_build_protocol_expr, objc_build_encode_expr,
997         objc_build_string_object, objc_get_protocol_qualified_type,
998         objc_get_class_reference, objc_get_class_ivars,
999         objc_start_class_interface, objc_start_category_interface,
1000         objc_start_protocol, objc_continue_interface, objc_finish_interface,
1001         objc_start_class_implementation, objc_start_category_implementation,
1002         objc_continue_implementation, objc_finish_implementation,
1003         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
1004         objc_add_method_declaration, objc_start_method_definition,
1005         objc_finish_method_definition, objc_add_instance_variable,
1006         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
1007         objc_finish_try_stmt, objc_begin_catch_clause,
1008         objc_finish_catch_clause, objc_build_finally_clause,
1009         objc_build_synchronized, objc_static_init_needed_p,
1010         objc_generate_static_init_call): New prototypes.
1011
1012 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
1013
1014         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
1015         is only one reg.
1016         (ia64_function_value): Ditto.
1017
1018 2004-09-03  Jan Beulich  <jbeulich@novell.com>
1019
1020         * config.gcc: Resurrect NetWare as a target. Handle special case of
1021         Novell linker to be used (specified through --with-ld=) and threading
1022         model of either Posix (default) or NKS.
1023         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
1024         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
1025         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
1026         * config/i386/netware.c, config/i386/netware.h: New.
1027         * config/i386/nwld.c, config/i386/nwld.h: New.
1028         * config/i386/netware-crt0.c: New.
1029         * config/i386/netware-libgcc.c: New.
1030         * config/i386/netware-libgcc.def: New.
1031         * config/i386/netware-libgcc.exp: New.
1032         * config/i386/t-netware, config/i386/t-nwld: New.
1033         * gthr-nks.h: New.
1034         * doc/install.texi: Document NKS threading model.
1035
1036 2004-09-03  Jan Beulich  <jbeulich@novell.com>
1037
1038         PR c/7054
1039         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
1040         * tree.h (initial_max_fld_align): Declare
1041         * stor-layout.c (initial_max_fld_align): Define and initialize.
1042         (maximum_field_alignment): Initialize to the same value.
1043         * common.opt: Add -fpack-struct= variant of switch.
1044         * opts.c: Handle -fpack-struct= variant of switch.
1045         * c-pragma.c: Change #pragma pack() handling so that it becomes
1046         compatible to other compilers: accept individual 'push' argument,
1047         make final pop restore (command line) default, correct interaction
1048         of push/pop and sole specification of a new alignment (so that the
1049         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
1050         to #pragma pack(push, <n>).
1051         * doc/extend.texi: New node "Structure-Packing Pragmas" under
1052         "Pragmas", describing #pragma pack.
1053         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
1054         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
1055         Document new TARGET_DEFAULT_PACK_STRUCT.
1056
1057 2004-09-03  Devang Patel  <dpatel@apple.com>
1058
1059         * dwarf2out.c (gen_field_die). Equate decl number to die.
1060
1061 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
1062
1063         PR target/15832
1064         * global.c (modify_reg_pav): New function.
1065         (make_accurate_live_analysis): Call the new function.  Move pavin
1066         modification by earlyclobber set into the new function.
1067
1068 2004-09-03  Andreas Schwab  <schwab@suse.de>
1069
1070         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
1071         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
1072         extended.
1073
1074 2004-09-02  Jan Beulich  <jbeulich@novell.com>
1075
1076         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
1077         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
1078         not unwind code specific ones.
1079         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
1080         Remove unwind code specific dependencies.
1081         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
1082         Remove gbl-ctors.h.
1083         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
1084         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
1085         * tsystem.h: Declare memcpy and memset when inhibit_libc.
1086
1087 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
1088
1089         * combine.c (try_combine): Delay modifying of insns which cannot
1090         be easily undone.
1091
1092 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
1093
1094         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
1095         tree-loop-im.
1096         * gcc/tree-ssa-loop.c: Ditto
1097         * gcc/tree-ssa-loop-ivcanon.c: Ditto
1098         * gcc/doc/invoke.texi: Ditto.
1099
1100 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
1101
1102         * c-decl.c (store_parm_decls_newstyle): Make static.
1103         (store_parm_decls_from): New function.
1104         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
1105         (store_parm_decls_from): New prototype.
1106
1107 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
1108
1109         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
1110         HImode with STRICT_ALIGNMENT.
1111
1112 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
1113
1114         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
1115         (TARGET_OS_CPP_BUILTINS): Likewise.
1116         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
1117         TARGET_BPABI_CPP_BUILTINS.
1118
1119 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
1120
1121         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
1122
1123 2004-09-02  Eric Christopher  <echristo@redhat.com>
1124
1125         * builtins.c (expand_builtin_cabs): Delete.
1126         (expand_builtin): If unable to fold the values do a normal
1127         library call for builtin_cab*.
1128         (fold_builtin_cabs): Depend on optimize and optimize_size.
1129         * optabs.c (expand_cmplxdiv_straight): Delete.
1130         (expand_cmplxdiv_wide): Ditto.
1131         (expand_vector_binop): Ditto.
1132         (expand_vector_unop): Ditto.
1133         (expand_complex_abs): Delete.
1134         (expand_binop): Remove calls to above functions.
1135         Remove open coding of complex arithmetic.
1136         (expand_unop): Ditto.
1137         * optabs.h: Remove prototypes.
1138
1139 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
1140
1141         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
1142         * c-tree.h (store_parm_decls_newstyle): New prototype.
1143
1144 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
1145
1146         * config/rs6000/rs6000.c (expand_block_clear): Use vector
1147         instructions if available.
1148         (expand_block_move): Likewise.
1149
1150 2004-09-03  Jan Hubicka  <jh@suse.cz>
1151
1152         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
1153
1154 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
1155
1156         * config/arm/symbian.h (LIB_SPEC): Define to empty.
1157         * config/arm/t-symbian (SHLIB_LC): Likewise.
1158
1159 2004-09-02  Paul Brook  <paul@codesourcery.com>
1160
1161         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
1162
1163 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
1164
1165         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
1166         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
1167         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
1168         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
1169         (mips_issue_rate): Remove unreachable abort.
1170         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1171         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
1172         (mips_block_move_straight, print_operand_address, mips_file_start)
1173         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
1174         (mips_output_conditional_branch, mips_expand_builtin_direct)
1175         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
1176         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
1177         with gcc_assert.
1178
1179 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
1180
1181         * config/mips/mips.md (*lea_high64): Change split condition to
1182         flow2_completed.  Add a peephole2 to generate a more parallel version.
1183
1184 2004-09-02  Jan Hubicka  <jh@suse.cz>
1185
1186         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
1187         GGC.
1188
1189         * ggc-page.c: include tree-flow.h.
1190         (extra_order_size_table): Add stmt_ann_d.
1191         (STAT_LABEL): Rename from ....
1192         (LABEL): ... this one.
1193         * Makefile.in (ggc-page.o): Add dependency.
1194
1195         * ggc-common.c (ggc_force_collect): New global variable.
1196         (loc_description): Add fields "freed", "collected"
1197         (ptr_hash): New static hash
1198         (ptr_hash_entry): New structure.
1199         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
1200         (ggc_record_overhead): Take ptr argument, record it
1201         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
1202         (cmp_statistics): Imrove sorting.
1203         (dump_ggc_loc_statistics): Output newly collected statistics
1204         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
1205         (ggc_free): Call ggc_free_overhead.
1206         (ggc_collect): Force collection when asked to be forced.
1207         (ggc_collect): Call ggc_prune_overhead_list.
1208         * ggc.h (ggc_force_collect): Declare
1209         (ggc_record_overhead): Update prototype.
1210         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
1211
1212 2004-09-02  James E Wilson  <wilson@specifixinc.com>
1213
1214         * common.opt (ftrapping-math): Default to on.
1215
1216 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
1217
1218         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
1219
1220 2004-09-02  Denis Chertykov  <denisc@overta.ru>
1221
1222         PR target/16884
1223         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
1224         match_scratch.
1225         (*movmemqi_insn): Likewise.
1226         (*movmemhi): Likewise.
1227         (clrmemhi): Likewise.
1228         (*clrmemqi): Likewise.
1229         (*clrmemhi): Likewise.
1230
1231 2004-09-02  Paul Brook  <paul@codesourcery.com>
1232
1233         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
1234         default_use_cxa_atexit=yes.
1235
1236 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
1237
1238         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
1239         (struct kernel_old_ucontext): Delete.
1240         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
1241         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
1242         when IN_LIGGCC2.
1243
1244 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
1245
1246         * toplev.c (process_options): Fix typo.
1247
1248 2004-09-01  Richard Henderson  <rth@redhat.com>
1249
1250         PR middle-end/17258
1251         * calls.c (initialize_argument_information): Tighten pass-through
1252         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
1253         Use build_fold_addr_expr.
1254         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
1255         that assumes ADDR_EXPR allocates stack space.
1256         * fold-const.c (build_fold_addr_expr_with_type): Look through
1257         WITH_SIZE_EXPR.
1258
1259 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
1260
1261         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
1262         * ggc.h (ggc_alloc_rtx): Delete.
1263
1264 2004-09-01  Roger Sayle  <roger@eyesopen.com>
1265
1266         * expmed.c (enum alg_code): Remove long unused enumeration values.
1267         (struct mult_cost): New structure to hold the "score" of a synthetic
1268         multiply sequence, including both a rtx_cost and a latency field.
1269         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
1270         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
1271         (struct algorithm): Change type of cost field to be mult_cost.
1272         (synth_mult): Change type of cost_limit argument to be a
1273         pointer to a mult_cost.  Update all cost comparisons to use the
1274         new mult_cost infrastructure.  For alg_add_factor and
1275         alg_sub_factor operations, latency is lower than the rtx_cost.
1276         (choose_mult_variant):  Update calls to synth_mult.  Perform
1277         cost comparisons using the new mult_cost infrastructure.
1278         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
1279         to optain the total rtx_cost of a synth_mult "algorithm".
1280
1281 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
1282
1283         * config/rs6000/power4.md: Increase store latency to 12.
1284         * config/rs6000/power5.md: Same.
1285
1286 2004-09-01  James E Wilson  <wilson@specifixinc.com>
1287
1288         PR target/14064
1289         * config/avr/avr.c (avr_unique_section): Delete prototype and
1290         definition.
1291         (TARGET_ASM_UNIQUE_SECTION): Delete.
1292
1293 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1294
1295         * c-parse.in (primary): Call objc_build_message_expr(),
1296         objc_build_selector_expr(), objc_build_protocol_expr(),
1297         objc_build_encode_expr() and objc_build_string_object() instead of
1298         build_message_expr(), build_selector_expr(), build_protocol_expr(),
1299         build_encode_expr() and build_objc_string_object(), respectively.
1300         (component_decl_list2): Call objc_get_class_ivars() instead of
1301         get_class_ivars_from_name().
1302         (keyworddecl): Call objc_build_keyword_decl() instead of
1303         build_keyword_decl().
1304         (receiver): Call objc_get_class_reference() instead of
1305         get_class_reference().
1306         (reswords): Add blank line before @@ifobjc section, for clarity.
1307
1308 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
1309
1310         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
1311         to Altivec vetors.
1312
1313 2004-09-01  Wu Yongwei  <adah@sh163.net>
1314             Danny Smith  <dannysmith@users.sourceforge.net>
1315
1316         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
1317         not Windows 'DWORD'.
1318         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
1319         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
1320         (__gthr_win32_recursive_mutex_init_function): Add prototype for
1321         __GTHREAD_HIDE_WIN32API case..
1322         (__gthr_win32_recursive_mutex_lock): Likewise.
1323         (__gthr_win32_recursive_mutex_trylock): Likewise.
1324         (__gthr_win32_recursive_mutex_unlock): Likewise.
1325         (__gthread_recursive_mutex_init_function); Add definition for
1326         __GTHREAD_HIDE_WIN32API case.
1327         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
1328         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
1329         call to InterlockedDecrement.
1330
1331 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1332
1333         * tree-tailcall.c (find_tail_calls): Also fail is statement has
1334         volatile operands.
1335
1336         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
1337
1338         * doc/c-tree.texi: Document new operands for ARRAY_REF and
1339         COMPONENT_REF.
1340
1341 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1342
1343         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
1344         * common.opt (fspeculative-prefetching): New.
1345         * flags.h (flag_speculative_prefetching_set): Declare.
1346         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
1347         values.
1348         * opts.c (flag_sepculative_prefetching_set): New variable.
1349         (common_handle_option): Handle -fspeculative-prefetching.
1350         * passes.c (rest_of_compilation): Ditto.
1351         * profile.c (instrument_values, compute_value_histograms, branch_prob):
1352         Use vectors instead of arrays.
1353         * toplev.c (process_options): Handle -fspeculative-prefetching.
1354         * rtl-profile.c: Include ggc.h.
1355         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
1356         rtl_gen_one_value_profiler_no_edge_manipulation,
1357         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
1358         argument changed.
1359         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
1360         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
1361         argument changed.
1362         * value-prof.c: Include ggc.h.
1363         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
1364         macros.
1365         (insn_prefetch_values_to_profile, find_mem_reference_1,
1366         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
1367         speculative_prefetching_transform): New.
1368         (value_profile_transformations): Call speculative_prefetching_transform.
1369         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
1370         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
1371         tree_find_values_to_profile, find_values to profile): Use vectors
1372         instead of arrays.
1373         (free_profiled_values): Removed.
1374         * value-prof.h (struct histogram_value): Renamed to
1375         struct histogram_value_t.
1376         (histogram_value, histogram_values): New types.
1377         (find_values_to_profile): Declaration changed.
1378         (free_profiled_values): Removed.
1379         (struct profile_hooks): Type of argument of the hooks changed to
1380         histogram_value.
1381         * doc/invoke.texi (-fspeculative-prefetching): Document.
1382
1383 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1384
1385         PR rtl-optimization/16408
1386         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
1387
1388 2004-09-01  Richard Henderson  <rth@redhat.com>
1389
1390         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
1391         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
1392
1393 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1394
1395         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
1396
1397 2004-09-01  Mike Stump  <mrs@apple.com>
1398
1399         * config/darwin.c (machopic_symbol_defined_p): In addition to
1400         being SYMBOL_REF_LOCAL_P, a symbol must also be
1401         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
1402         defined in this output file, or translation unit in the case
1403         of IMA not being used.
1404         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
1405         never need .indirect_symbol when indirecting.
1406
1407 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1408
1409         * Makefile.in (bb-reorder.o): Add several dependencies.
1410
1411 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1412
1413         * fold-const.c (operand_equal_p): Require equal sign also for
1414         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
1415
1416 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1417
1418         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
1419         for use in configargs.h.  Put the cname in a separate variable.  Use
1420         that to set target_cpu_default2.
1421
1422 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
1423             Nick Clifton  <nickc@redhat.com>
1424
1425         * config/sh/sh.md ("length"): Increase branch length when
1426         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
1427         constant, 2 byte for aligning the constant.
1428
1429 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1430
1431         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
1432         CPU.
1433         (arm7tdmi-s): New CPU name.
1434         * arm/arm.c (ARM_CORE): Update for new format.
1435         * arm/arm.h (ARM_CORE): Likewise.
1436         * arm/gentune.sh: Update for extra field.
1437         * config.gcc: Likewise.
1438         * arm/arm-tune.md: Regenerate.
1439         * doc/invoke.texi: Document the real processor names for ARM cpus.
1440
1441 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1442
1443         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
1444         (floatdidf): New functions.
1445         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
1446         (floatdisf): New functions.
1447         * t-arm-elf: Use them.
1448
1449 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1450
1451         * c-common.h (lookup_interface): Remove prototype.
1452         (is_class_name): Rename to objc_is_class_name.
1453         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1454         (get_current_scope): Rename to objc_get_current_scope.
1455         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
1456         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
1457         (yylexname): Call objc_is_class_name() instead of is_class_name().
1458         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
1459         instead of lookup_objc_ivar().
1460         * stub-objc.c (lookup_interface): Remove stub.
1461         (is_class_name): Rename to objc_is_class_name.
1462         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1463
1464 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1465
1466         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
1467         * config/arm/lib1funcs.asm: Do not include supplemental .S files
1468         when compiling for Symbian.
1469         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
1470         (TARGET_OS_CPP_BUILTINS): Likewise.
1471         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
1472
1473 2004-08-31  Stan Shebs  <shebs@apple.com>
1474
1475         * toplev.c (process_options): Ensure debug_hooks is initialized.
1476
1477 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1478
1479         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
1480         * target.h (cxx): Add export_class_data.
1481         * config/arm/arm.c (arm_cxx_export_class_data): New function.
1482         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
1483         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
1484
1485 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
1486
1487         * config/sh/sh.c (output_branch): Check the insn length possibly
1488         in the delayed slot.
1489
1490 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1491
1492         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
1493         blank after ')'.
1494         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
1495
1496         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
1497         (c_sizeof_of_alignof_type): Likewise.
1498         * expr.c (array_ref_element_size): Likewise.
1499         (highest_pow2_factor_for_target): Likewise.
1500         * gimplify.c (canonicalize_addr_expr): Likewise.
1501         (gimplify_compound_lval): Likewise.
1502         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
1503         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1504         * varasm.c (assemble_variable): Likewise.
1505         (output_constant_def_contents): Alignments are unsigned.
1506
1507 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1508             Jeff Law  <law@redhat.com>
1509
1510         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
1511         gets modified.
1512
1513 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1514
1515         * hooks.c (hook_bool_void_true): New function.
1516         * hooks.h (hook_bool_void_true): Declare.
1517         * target-def.h (TARGET_CXX): Add
1518         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
1519         * target.h (struct cxx): Add key_method_may_be_inline.
1520         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
1521         function.
1522         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
1523         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
1524         __THUMB_INTERWORK.
1525
1526 2004-08-31  Denis Chertykov  <denisc@overta.ru>
1527
1528         PR target/15417
1529         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
1530         frame pointer register only in Pmode while reload in progress.
1531
1532 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
1533
1534         PR target/15334
1535         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
1536         because it breaks the 32-bit shift patterns that rely on a match_dup.
1537
1538 2004-08-31  Matt Austern  <austern@apple.com>
1539
1540         * config/darwin.c (darwin_make_decl_one_only): Allocate section
1541         names once per compilation, instead of once per symbol.
1542
1543 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
1544
1545         * Makefile.in (build_subdir): New substitution.
1546         (fixinc.sh): Simplify heavily since fixincludes is already built.
1547         (stmp-fixinc): Depend on specs.ready.
1548         (install-mkheaders): Use new location of fixincludes.
1549         (clean): Do not descend into fixinc.
1550         (FORBUILD): Replace with ../$(build_subdir).
1551         * configure.ac (build_subdir): Substitute.
1552         (FORBUILD): Do not set.
1553         (all_outputs): Remove fixinc/Makefile.
1554         (default commands): Do not create links in fixinc.
1555         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
1556         the fixincludes configuration steps and substituting
1557         @FIXINCL@ in fixinc.in.
1558         * fixinc.in: New, from fixinc/fixincl.sh.
1559
1560         * fixinc/*: Removed.
1561
1562 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1563
1564         * attribs.c (strip_attrs): Remove.
1565         (split_specs_attrs): Move ...
1566         * c-decl.c: ... to here.
1567         * tree.h (split_specs_attrs, strip_attrs): Remove.
1568         * c-tree.h (split_specs_attrs): Declare.
1569
1570 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1571
1572         * read-rtl.c: Disable RTL checking.
1573         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
1574
1575 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1576
1577         * config/mips/mips.md (fcond): New code macro and attribute.
1578         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
1579         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
1580         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
1581
1582 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
1583
1584         Revert:
1585         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1586         PR rtl-optimization/16590
1587         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1588
1589 2004-08-30  Andrew Pinski  <apinski@apple.com>
1590
1591         * hard-reg-set.h:
1592         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
1593         * ChangeLog: Fix previous ChangeLog entry.
1594
1595         PR rtl-opt/13987
1596         * config.host (use_long_long_for_widest_fast_int): New, default is
1597         off.
1598         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
1599         * configure.ac: If use_long_long_for_widest_fast_int, then
1600         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
1601         * configure: Regenerate.
1602         * config.in: Regenerate.
1603         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
1604         New: widest integer type supported efficiently in hardware for the
1605         host.
1606         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
1607         HOST_BITS_PER_WIDEST_FAST_INT.
1608         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
1609         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
1610         HOST_WIDEST_FAST_INT
1611         instead of HOST_WIDE_INT.
1612         (HARD_REG_SET_LONGS): Likewise.
1613         (UHOST_BITS_PER_WIDE_INT): Likewise.
1614         Change the checks for the fast cases to be based on
1615         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
1616
1617 2004-08-30  Steven Bosscher  <stevenb@suse.de>
1618
1619         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
1620         not the pointers.
1621
1622 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
1623
1624         PR 12738
1625         PR 17205
1626         Radar 3460526
1627         Radar 3775729
1628         * c-decl.c (grokdeclarator): Produce error for 'static' on local
1629         function declaration.
1630
1631 2004-08-30  Richard Henderson  <rth@redhat.com>
1632
1633         * expr.c (array_ref_element_size): Force aligned_size back to
1634         sizetype.
1635         (component_ref_field_offset): Similarly for aligned_offset.
1636         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
1637         low-bound, element-size, field-offset fields rather than
1638         computed values.
1639
1640 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1641
1642         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
1643         redundant code.
1644
1645 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1646
1647         * c-tree.h (struct language_function): Add arg_info element.
1648         * c-decl.c (current_function_arg_info): New.
1649         (grokdeclarator, store_parm_decls): Use it instead of
1650         DECL_ARGUMENTS.
1651         (c_push_function_context, c_pop_function_context): Save and
1652         restore it.
1653
1654 2004-08-30  Richard Henderson  <rth@redhat.com>
1655
1656         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
1657         COMPONENT_REF to pointer arithmetic.
1658         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
1659         constant "c" as a valid constant initializer.  Allow narrowing of
1660         differences against the same base object, for any base object.
1661
1662 2004-08-30  Richard Henderson  <rth@redhat.com>
1663
1664         * expr.c (expand_expr_addr_expr): New.
1665         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
1666
1667 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1668
1669         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
1670         (mips_fp_condition): New enum.
1671         (mips_fp_conditions): New array.
1672         (print_fcc_operand): Delete.
1673         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
1674         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
1675         (builtin_description): Add "cond" field.
1676         (DIRECT_BUILTIN): Initialize it.
1677         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
1678         into INSN and CODE.  Initialize the "cond" field.
1679         (CMP_BUILTINS): Update accordingly.
1680         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
1681         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
1682         mips_fp_condition as argument.  Make it the final operand of the
1683         comparison instruction.
1684         (mips_expand_builtin): Update accordingly.
1685         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
1686         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
1687         the gaps.
1688         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
1689         Don't use the 'Q' operand prefix; just print the operand normally.
1690         (mips_cabs_*, mips_c_*): Delete, replacing with...
1691         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
1692         patterns.  Split the 4s versions into 2 ps patterns after reload.
1693
1694 2004-08-30  Richard Henderson  <rth@redhat.com>
1695
1696         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
1697         assuming an ADDR_EXPR is non-null.
1698
1699 2004-08-30  Jason Merrill  <jason@redhat.com>
1700
1701         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
1702
1703 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1704
1705         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
1706         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
1707         gcc_assert and gcc_unreachable instead of abort.
1708         * alloc-pool.c (abort, fancy_abort): Remove.
1709         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
1710         gcc_assert or gcc_unreachable.
1711         * attribs.c (init_attributes, decl_attributes): Likewise.
1712         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
1713         mark_bb_for_unlikely_executed_section,
1714         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
1715         fix_crossing_unconditional_branches):  Likewise.
1716         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
1717         bitmap_operation):  Likewise.
1718         * bt-load.c (insn_sets_btr_p, augment_live_range,
1719         move_btr_def):  Likewise.
1720         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
1721         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
1722         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
1723         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
1724         expand_builtin_memcmp, expand_builtin_args_info,
1725         std_gimplify_va_arg_expr, expand_builtin_unop,
1726         expand_builtin_fputs, expand_builtin_profile_func,
1727         expand_builtin_fork_or_exec, fold_builtin_bitop,
1728         fold_builtin_classify, fold_builtin_fputs): Likewise.
1729
1730 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1731
1732         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
1733         * gcov.c (abort): Remove undef.
1734
1735         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
1736         (struct tree_binfo): Remove primary field.
1737
1738 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1739
1740         * fixinc/Makefile.in (machname.h): Remove.
1741         (fixincl.x): Do not pass $@ to genfixes.
1742         * fixinc/genfixes: Remove code to produce machname.h.
1743         * fixinc/fixincl.sh: Move it here instead.
1744         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
1745         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
1746         return a bool indicating whether pz_mn_name_pat is NULL.
1747         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
1748         Declare extern C variables for the ENV_TABLE.
1749         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
1750         instead use the result of mn_get_regexps.
1751         * fixinc/fixtests.c: Likewise.
1752
1753 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1754
1755         * configure.ac: Do not run fixincludes after stage1 during
1756         toplevel bootstrap.
1757         * configure: Regenerate.
1758
1759 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1760
1761         * sched-deps.c (get_condition): Partially revert previous, by never
1762         trying to extract the condition from a condjump.
1763
1764 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1765
1766         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
1767         (handle_visibility_attribute, c_determine_visibility): Likewise.
1768         * c-common.h (my_friendly_assert): Remove.
1769
1770 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1771
1772         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
1773         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
1774         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
1775         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
1776         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
1777
1778 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
1779
1780         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
1781         in COMPONENT_REF nodes.
1782
1783 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1784
1785         PR c++/15378
1786         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
1787         global_dc->warning_as_error_requested.
1788         * diagnostic.c (diagnostic_initialize): Tidy.
1789         * diagnostic.h (diagnostic_context::x_data): Remove
1790         (diagnostic_context::issue_warnings_are_errors_message): Rename
1791         from warnings_are_errors_message.
1792         (diagnostic_context::warning_as_error_requested): New.
1793
1794 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1795
1796         * sched-deps.c (get_condition): Fix breakage in previous patch.
1797
1798 2004-08-30  Paul Brook  <paul@codesourcery.com>
1799
1800         * doc/install.texi: Fix broken mpfr link.
1801
1802 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
1803
1804         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
1805         other FreeBSD platforms.
1806
1807 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1808
1809         * arm.h (REVERSE_CONDITION): Define.
1810         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
1811
1812 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1813
1814         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
1815         just the codes, call reversed_comparison_code ().
1816         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
1817         (not_reg_cond): Use reversed_comparison_code.
1818         (and_reg_cond): Likewise.
1819         * ifcvt.c (cond_exec_process_if_block): Likewise.
1820         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
1821
1822 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1823
1824         * sched-deps.c (get_condition): Rewrite using jump support functions.
1825         Use reversed_comparison_code.
1826         (conditions_mutex_p): Use reversed_comparison_code.
1827
1828 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1829
1830         * config/mips/mips.c (override_options): Disable hot/cold partitioning
1831         for MIPS16.
1832
1833 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1834
1835         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
1836         (mips_function_type): Move to mips.c.
1837         * config/mips/mips.c (mips_builtin_type): New enum.
1838         (builtin_description): Replace code and ftype with builtin_type
1839         and function_type.
1840         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
1841         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
1842         (CODE_FOR_mips_abs_ps): Define.
1843         (mips_bdesc): Use new macros.
1844         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
1845         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
1846         (mips_expand_builtin_direct): New function.
1847         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
1848         builtin.  Replace boolean parameter with builtin_type.
1849         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
1850         (mips_expand_4s_compare_builtin): Delete, replacing with...
1851         (mips_expand_builtin_compare): ...this new function.
1852
1853 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1854
1855         PR rtl-optimization/16590
1856         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1857
1858 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1859
1860         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
1861         * tree-ssa-propagate.c: Fix documentation.
1862
1863 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1864
1865         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
1866         (mov[sd]fcc): Likewise.
1867
1868 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1869
1870         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
1871
1872 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1873
1874         * config/mips/mips.md (divide_condition): New mode attribute.
1875         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
1876         (sqrt[sd]f3): Redefine using SCALARF.
1877         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
1878         patterns.
1879
1880 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1881
1882         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
1883         (loadx, storex, fmt, UNITMODE): New mode attributes.
1884         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
1885         (mul[sd]f3): Redefine using :SCALARF.
1886         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
1887         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
1888         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
1889         Check TARGET_FUSED_MADD for V2SF too.
1890         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
1891         were already named.
1892         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
1893         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
1894
1895 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1896
1897         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
1898         V2SF_type_node if it will be needed.
1899
1900 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1901
1902         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
1903         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
1904         (mips_prepare_builtin_target): New function.
1905         (mips_expand_builtin): Use them.  Update calls to subroutines.
1906         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
1907         cmp_choice with a boolean argument to select between movt and movf.
1908         Take the comparison's icode as an argument, not the function's fcode.
1909         (mips_expand_compare_builtin): New function.  Rename existing function
1910         to mips_expand_scalar_compare_builtin.
1911         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
1912         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
1913         comparison's icode as an argument, not the builtin's fcode.
1914
1915 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1916
1917         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
1918         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
1919         registers are false and -1 if all registers are true.
1920         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
1921         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
1922         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
1923         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
1924         (bc1any2t, bc1any2f): Likewise CCV2.
1925         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
1926
1927 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1928
1929         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
1930         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
1931         UNSPEC rather than an IF_THEN_ELSE.
1932         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
1933         mips_cond_move_tf_ps by name.
1934
1935 2004-08-29  Chao-ying Fu  <fu@mips.com>
1936             James E Wilson  <wilson@specifixinc.com>
1937
1938         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
1939         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
1940         * config/mips/mips-ps-3d.md: New file.
1941         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
1942         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
1943         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
1944         (mips_output_move): Emit "mov.ps" for V2SFmode.
1945         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
1946         MODE_VECTOR_FLOAT.
1947         (override_options): Check if TARGET_MIPS3D and there was an explicit
1948         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
1949         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
1950         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
1951         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
1952         and allow CCV2 and CCV4 to occupy two and four CC registers.
1953         (print_fcc_operand): New function.
1954         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
1955         %Z to call print_fcc_operand.
1956         (mips_function_value): Handle MODE_VECTOR_FLOAT.
1957         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
1958         (mips_vector_mode_supported_p): New function.
1959         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
1960         (builtin_description): New struct.
1961         (mips_bdesc): New array of struct builtin_description.
1962         (mips_expand_builtin, mips_init_builtins,
1963         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
1964         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
1965         functions.
1966         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
1967         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
1968         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
1969         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
1970         "-mips3d", and "-mno-mips3d".
1971         (ASM_SPEC): Map -mips3d to -mips3d in gas.
1972         (EXTRA_CONSTRAINT_Y): New macro.
1973         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
1974         multi-letter constraint 'Y'.
1975         (CONSTRAINT_LEN): New macro.
1976         (enum mips_builtins): New for MIPS builtin functions.
1977         (enum mips_function_type): New for the types of MIPS builtin functions.
1978         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
1979         * config/mips/mips.md: New constants for paired single and MIPS-3D
1980         instructions.  Include the new mips-ps-3d.md file.
1981         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
1982         movv2sf_hardfloat_64bit): New named patterns.
1983         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
1984         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
1985         sdxc1_v2sf_di): New unnamed patterns.
1986         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
1987         const_vector support.
1988         (const_0_or_1_operand): New predicate.
1989         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
1990
1991 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1992
1993         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
1994         (tree-ssa-propagate.o): New rule.
1995         (GTFILES): Add tree-ssa-propagate.c.
1996         * tree-flow.h (struct stmt_ann_d): Remove field
1997         in_ccp_worklist.
1998         * tree-ssa-propagate.c: New file.
1999         * tree-ssa-propagate.h: New file.
2000         * tree-ssa-ccp.c: Re-write to use the routines from
2001         tree-ssa-propagate.c.
2002
2003 2004-08-28  Andrew Pinski  <apinski@apple.com>
2004
2005         * tree-ssa-loop.c: Remove extra include of basic-block.h.
2006
2007 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
2008
2009         * c-common.h: Update comments about ObjC/ObjC++ entry points.
2010         (objc_is_reserved_word): New prototype.
2011         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
2012         separate section; these are call-backs.
2013         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
2014         ObjC/ObjC++ "@" keywords.
2015         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
2016         prototypes; they already live in c-common.h.
2017         * stub-objc.c: Update copyright notice.
2018         (objc_is_reserved_word): New stub.
2019
2020 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
2021
2022         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
2023         even when not checking.
2024
2025 2004-08-27  Jason Merrill  <jason@redhat.com>
2026
2027         PR c++/13684
2028         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
2029         (gimple_push_cleanup): Add eh_only parm.
2030         (gimplify_target_expr): Pass it.
2031         * c.opt (-fno-threadsafe-statics): New option.
2032         * c-opts.c (c_common_handle_option): Handle it.
2033         * c-common.h (flag_threadsafe_statics): Declare it.
2034         * c-common.c (flag_threadsafe_statics): Record it.
2035         * doc/invoke.texi: Document it.
2036         * tsystem.h (_GNU_SOURCE): Define.
2037         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
2038         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
2039         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
2040         (__gthread_recursive_mutex_init_function): New fn.
2041         (__gthread_recursive_mutex_lock): New fn.
2042         (__gthread_recursive_mutex_trylock): New fn.
2043         (__gthread_recursive_mutex_unlock): New fn.
2044         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
2045         * gthr-win32.h, gthr-vxworks.h: Likewise.
2046         * gthr.h: Document.
2047
2048 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
2049
2050         * config/rs6000/rs6000.c (rs6000_override_options): Increase
2051         maximum skip to 15.  Set function alignment, jump alignment, and
2052         loop alignment to 16 for processors that form dispatch groups.
2053         (rs6000_rtx_costs): outer_code is used.
2054
2055 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
2056
2057         * stor-layout.c (sizetype_set): Remove.
2058         (set_sizetype): Don't test or set it.
2059
2060         * tree.h (size_int_type): Remove.
2061         * fold-const.c: Do not #include gt-fold-const.h.
2062         (size_htab_hash, size_htab_eq): Remove.
2063         (size_int_kind): Use build_int_cst.
2064         (new_const, size_htab): Remove.
2065         (size_int_type): Remove.
2066         (round_up): Use build_int_cst.
2067         (round_down): Likewise. Remove spurious constant build.
2068
2069 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
2070
2071         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
2072         Add is_release variable, use it for --enable-werror and
2073         --enable-checking defaults.
2074         * system.h (gcc_assert, gcc_unreachable): New.
2075         * doc/install.texi (--enable-checking): Update.
2076         * configure, config.in: Rebuilt.
2077
2078 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
2079
2080         * rtl.h (read_rtx): Change prototype.
2081         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
2082         line number.  Return true on success.
2083         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
2084         callers accordingly.
2085
2086 2004-08-26  Richard Henderson  <rth@redhat.com>
2087
2088         * c-typeck.c (build_offsetof): Remove.
2089         * c-tree.h (build_offsetof): Remove.
2090         * c-common.c (fold_offsetof_1, fold_offsetof): New.
2091         * c-common.h (fold_offsetof): Declare.
2092         * c-parse.in (offsetof_base): New.
2093         (offsetof_member_designator): Use it.  Build references, not just
2094         a tree list.
2095         (primary): Use fold_offsetof, not build_offsetof.
2096
2097 2004-08-26  Richard Henderson  <rth@redhat.com>
2098
2099         * tree.c (staticp): Return the static object.
2100         * tree.h (staticp): Update decl.
2101         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
2102         * langhooks.c (lhd_staticp): Return NULL_TREE.
2103         * langhooks-def.h (lhd_staticp): Update decl.
2104         * c-common.c (c_staticp): Return the static object.
2105         * c-common.h (c_staticp): Update decl.
2106
2107 2004-08-26  Richard Henderson  <rth@redhat.com>
2108
2109         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
2110         modes.
2111
2112 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
2113
2114         PR c/13801
2115         * c-decl.c (struct c_binding): Add type and inner_comp fields.
2116         (bind): Set type and inner_comp fields.
2117         (pop_scope): Restore type of decl to the correct type from an
2118         outer scope.  Give error when popping file scope for incomplete
2119         arrays completed incompatibly with default initialization in an
2120         inner scope.
2121         (diagnose_mismatched_decls): Handle externs with initializers at
2122         block scope.
2123         (pushdecl): Set type of external declaration at block scope based
2124         only on the visible declarations.  Save type when changing the
2125         type of a declaration.  Merge an external declaration at block
2126         scope with a visible static declaration at file scope.
2127         (implicitly_declare): Give recycled old declaration the new type
2128         except for incompatible declarations of built-in functions, saving
2129         the old type.
2130
2131 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
2132
2133         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
2134
2135 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
2136
2137         * tree-alias-common.c (gate_pta): New function.
2138         (pass_build_pta): Use it.
2139         (pass_del_pta): Use it.
2140         (delete_alias_vars): Don't check flag_tree_points_to.
2141
2142 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2143
2144         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
2145         TFmode as additional register mode cloberred by call.
2146
2147 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2148
2149         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
2150         parallel pattern for library call returning DImode in
2151         mixed mode.
2152
2153 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2154
2155         * config/rs6000/rs6000.c (function_arg): Generate parallel
2156         pattern for more split args.
2157
2158 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2159
2160         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
2161         either gen_movdi_di_update or gen_movdi_si_update depending on
2162         target mode.
2163         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
2164         to generate two versions.
2165
2166 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
2167
2168         * Makefile.in (lambda-code.o): New.
2169         (lambda-trans.o): Ditto.
2170         (TREE_DATA_REF_H): Ditto.
2171         (LAMBDA_H): Ditto.
2172         (lambda-mat.o): Use LAMBDA_H.
2173         (tree-data-ref.o): Ditto.
2174         * lambda-code.c: New file.  Lambda code generation algorithm.
2175         * lambda-trans.c: Ditto. Lambda transformation matrix support.
2176         * lambda.h: Add lambda loop structures.
2177         Add lambda loopnest structures.
2178         Add lambda body vector structure.
2179         Add lambda linear expression structures.
2180         Add prototypes for functions in new files.
2181         * lambda-mat.c: Include tree.h
2182
2183 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
2184             Sebastian Pop  <pop@cri.ensmp.fr>
2185
2186         * tree-data-ref.h: Include lambda.h
2187         (free_dependence_relation): Declared here.
2188         (free_dependence_relations): Ditto.
2189         (free_data_refs): Ditto.
2190         * tree-data-ref.c (free_dependence_relation): New function.
2191         (free_dependence_relations): Ditto.
2192         (free_data_refs): Ditot.
2193         (analyze_all_data_dependences): Free datarefs and dependence_relations.
2194         (build_classic_dist_vector): Store in the dependence_relations the
2195         information. Each arc in the dependence_relations graph is labelled
2196         with the distance and direction vectors.
2197         (build_classic_dir_vector): Ditto.
2198         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
2199         Now computes again the whole dependence graph including read-read
2200         relations.
2201         (compute_data_dependences_for_loop): Now dependence_relations contains
2202         all the data, and thus it doesn't need to initialize the classic_dir
2203         and classic_dist vectors.
2204         (analyze_all_data_dependences): Adjusted for using the new interface of
2205         compute_data_dependences_for_loop.  Remove the statistics dump.
2206
2207 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
2208
2209         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
2210         (xtensa_expand_block_move): Update comment.
2211         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
2212
2213 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
2214
2215         PR target/13506
2216         * toplev.c (crash_signal): If we crashed while emitting
2217         a user asm, then die more gracefully.
2218
2219 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2220
2221         PR target/17119.
2222         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
2223         checking for a valid constant, regardless of sign.
2224
2225 2004-08-25  Richard Henderson  <rth@redhat.com>
2226
2227         PR target/16974
2228         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
2229         if the constant satisfies add_operand.
2230
2231 2004-08-25  Richard Henderson  <rth@redhat.com>
2232
2233         PR debug/10695
2234         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
2235         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
2236         unwind info for >16-bit frames.
2237
2238 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
2239
2240         PR target/17171
2241         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
2242
2243 2004-08-25  Richard Henderson  <rth@redhat.com>
2244
2245         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
2246         (TARGET_CANNOT_FORCE_CONST_MEM): New.
2247
2248 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
2249
2250         * doc/tree-ssa.texi: Document new operand iterator.
2251
2252 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
2253
2254         PR target/16480
2255         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
2256         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
2257         as PLUS base regs.
2258
2259 2005-08-28  Paul Brook  <paul@codesourcery.com>
2260
2261         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
2262         -mfpu=vfp -march=armv5t
2263         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
2264
2265 2004-08-25  Richard Henderson  <rth@redhat.com>
2266
2267         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
2268         * target.h (struct gcc_target): Add scalar_mode_supported_p.
2269         * targhooks.c (default_scalar_mode_supported_p): New.
2270         * targhooks.h (default_scalar_mode_supported_p): Declare.
2271         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
2272
2273         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
2274         before attempting to create types.  Tidy.
2275         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
2276
2277         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
2278         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
2279
2280 2004-08-25  Richard Henderson  <rth@redhat.com>
2281
2282         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
2283         set REAL_MODE_FORMAT for TFmode.
2284
2285 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
2286
2287         * c-decl.c (grokparm): New function.
2288         * c-tree.h (grokparm): New prototype.
2289
2290 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
2291
2292         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
2293         iterator controlling structure.
2294         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
2295         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
2296         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
2297         iterator flags.
2298         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
2299         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
2300         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
2301         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
2302         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
2303         Empty operand pointers.
2304         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
2305         (op_iter_next_use): New.  Return next use_operand_p.
2306         (op_iter_next_def): New.  Return next def_operand_p.
2307         (op_iter_next_tree): New.  Return next operands as a tree.
2308         (op_iter_init): New.  Initialize an iterator structure.
2309         (op_iter_init_use): New.  Initialize structure and get the first use.
2310         (op_iter_init_def): New.  Initialize structure and get the first def.
2311         (op_iter_init_tree): New.  Initialize structure and get the first tree.
2312         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
2313         (op_iter_init_maydef): New.  Initialize structure and get the first
2314         V_MAY_DEF operands.
2315         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
2316         * tree-dfa.c (compute_immediate_uses_for_stmt,
2317         redirect_immediate_uses): Use new operand iterator.
2318         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
2319         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
2320         operands instead of using *_disappeared_p routines.
2321         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
2322         ssa_rewrite_stmt): Use new operand iterator.
2323         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2324         rewrite_trees): Use new operand iterator.
2325         * tree-pretty-print.c (dump_vops): Use new operand iterator.
2326         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
2327         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
2328         dump_points_to_info): Use new operand iterator.
2329         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
2330         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
2331         operand iterator.
2332         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
2333         propagate_necessity): Use new operand iterator.
2334         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
2335         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
2336         a parameter instead of a stmt_ann_t.
2337         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
2338         build_tree_conflict_graph): Use new operand iterator.
2339         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
2340         rewrite_mem_refs): Use new operand iterator.
2341         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
2342         check_loop_closed_ssa_use): Use new operand iterator.
2343         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
2344         * tree-ssanames.c (release_defs): Use new operand iterator.
2345         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
2346
2347 2004-08-25  Adam Nemet  <anemet@lnxw.com>
2348
2349         * tlink.c (initial_cwd): New variable.
2350         (tlink_init): Initialize it.
2351         (recompile_files): Use tlink_execute() instead of system().  Don't
2352         duplicate verbose output of collect_execute.  Restore initial_cwd.
2353         Update comment before the function.
2354
2355 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
2356
2357         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
2358         accept) a cast from one Objective-C pointer type to another.
2359
2360 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
2361
2362         * doc/install.texi: Document that libstdc++-v3 requires
2363         now automake 1.9.1.
2364
2365 2004-08-25  Caroline Tice  <ctice@apple.com>
2366
2367         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
2368         to comments at start of function.
2369         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
2370         comment.
2371         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2372         merge_blocks_move_predecessor_nojumps,
2373         merge_blocks_move_successor_nojumps, merge_blocks_move,
2374         try_crossjump_to_edge, try_crossjump_bb): Likewise.
2375         * cfglayout.c (fixup_reorder_chain): Likewise.
2376         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2377         cfg_layout_can_merge_blocks_p):  Likewise.
2378         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
2379         * passes.c (rest_of_compilation): Update comments for calling
2380         optimization that partitions hot/cold basic blocks.
2381         * doc/invoke.texi:  Update documentation of
2382         freorder-blocks-and-partition flag.
2383
2384 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2385
2386         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
2387         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
2388
2389 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2390
2391         * config/mips/mips.md (any_shift): New code macro.
2392         (optab, insn): New code attributes.
2393         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
2394         Use the standard rather than internal patterns for the MIPS16
2395         double-shift optimization.
2396         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
2397         Redefine using :GPR and any_shift.
2398         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
2399         to cover all three shifts.
2400         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
2401         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
2402         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
2403
2404 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
2405
2406         * gimplify.c (lookup_tmp_var): Separate temporaries when not
2407         optimizing.
2408
2409 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2410
2411         PR libstdc++/17005 (fix for HP-UX 11.11)
2412         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
2413         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
2414         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
2415         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
2416         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
2417         (LINK_SPEC): Handle march=1.0 option.
2418         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2419         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
2420         (SUBTARGET_OPTIONS): New define.
2421         (LINK_SPEC): Handle march=1.0 option.
2422         (STARTFILE_SPEC): New define.
2423         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2424         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
2425         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
2426         (SUBTARGET_OPTIONS): New define.
2427         (LINK_SPEC): Handle march=1.0 option.
2428         (STARTFILE_SPEC): New define.
2429         * config/pa/pa.c (override_options): Add code to process -munix= option.
2430         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
2431         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
2432         defines.
2433         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
2434         (SUBTARGET_OPTIONS): Provide default define.
2435         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
2436         STANDARD_STARTFILE_PREFIX_2): New defines.
2437         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
2438         (ENDFILE_SPEC): Use %O.
2439         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
2440         Mention issue caused by changing namespace and runtime to UNIX 95/98.
2441         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
2442         Document -munix=std option.
2443
2444 2004-08-25  Steven Bosscher  <stevenb@suse.de>
2445
2446         * cse.c (cse_around_loop, cse_check_loop_start,
2447         cse_set_around_loop): Remove.
2448         (cse_basic_block): Remove the around_loop argument.
2449         (cse_end_of_basic_block): Remove the after_loop argument.
2450         (cse_main): Likewise.
2451         * rtl.h (cse_main): Update prototype.
2452         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
2453         rest_of_handle_gcse): Update cse_main calls.
2454
2455 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
2456
2457         * tree.h  (build_int_cst): New, sign extended constant.
2458         (build_int_cstu): New, zero extended constant.
2459         (build_int_cst_wide): Renamed from build_int_cst.
2460         * tree.c (build_int_cst, build_int_cstu): New.
2461         (build_int_cst_wide): Renamed from build_int_cst.
2462         (make_vector_type, build_common_tree_nodes,
2463         build_common_tree_nodes_2): Adjust build_int_cst calls.
2464         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2465         expand_builtin_strpbrk, expand_builtin_fputs,
2466         build_string_literal, expand_builtin_printf,
2467         expand_builtin_sprintf, fold_builtin_classify_type,
2468         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
2469         fold_builtin_toascii, fold_builtin_isdigit,
2470         simplify_builtin_strstr, simplify_builtin_strpbrk,
2471         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
2472         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
2473         DEF_ATTR_INT): Likewise.
2474         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
2475         Likewise.
2476         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2477         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
2478         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2479         * c-typeck.c (really_start_incremental_init, push_init_level,
2480         set_nonincremental_init_from_string): Likewise.
2481         * calls.c (load_register_parameters): Likewise.
2482         convert.c (convert_to_pointer): Likewise.
2483         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2484         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
2485         build_gcov_info): Likewise.
2486         * except.c (init_eh, assign_filter_values): Likewise.
2487         * expmed.c (store_fixed_bit_field, extract_bit_field,
2488         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2489         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2490         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2491         * expr.c (convert_move, emit_group_load, emit_group_store,
2492         expand_assignment, store_constructor, store_field,
2493         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2494         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2495         invert_truthvalue, optimize_bit_field_compare,
2496         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2497         fold_div_compare, fold, fold_read_from_constant_string,
2498         fold_negate_const, fold_abs_const, fold_not_const, round_up,
2499         round_down): Likewise.
2500         * function.c (assign_parm_setup_block): Likewise.
2501         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
2502         Likewise.
2503         * stor-layout.c (layout_type, initialize_sizetypes,
2504         set_min_and_max_values_for_integral_type): Likewise.
2505         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2506         reset_evolution_in_loop): Likewise.
2507         * tree-chrec.h (build_polynomial_chrec): Likewise.
2508         * tree-complex.c (build_replicated_const): Likewise.
2509         * tree-eh.c (honor_protect_cleanup_actions,
2510         lower_try_finally_onedest, lower_try_finally_copy,
2511         lower_try_finally_switch): Likewise.
2512         * tree-mudflap.c (mf_build_string, mx_register_decls,
2513         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2514         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2515         * tree-pretty-print.c (dump_generic_node): Likewise.
2516         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2517         Likewise.
2518         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2519         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2520         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2521         Likewise.
2522         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
2523         canonicalize_loop_induction_variables): Likewise.
2524         * tree-vectorizer.c (vect_create_index_for_array_ref,
2525         vect_transform_loop_bound, vect_compute_data_ref_alignment):
2526         Likewise.
2527
2528         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
2529         alpha_gimplify_va_arg_1): Likewise.
2530         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2531         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2532         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2533         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2534         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2535         mips_gimplify_va_arg_expr): Likewise.
2536         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2537         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2538         add_compiler_branch_island): Likewise.
2539         * config/s390/s390.c (s390_va_start): Likewise.
2540         * config/sh/sh.c (sh_va_start): Likewise.
2541         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2542         Likewise.
2543         * config/xtensa/xtensa.c (xtensa_va_start,
2544         xtensa_gimplify_va_arg_expr): Likewise.
2545
2546         * objc/objc-act.c (build_objc_string_object,
2547         build_objc_symtab_template, init_def_list, init_objc_symtab,
2548         init_module_descriptor, generate_static_references,
2549         build_selector_translation_table, get_proto_encoding,
2550         build_typed_selector_reference, build_selector_reference,
2551         build_next_objc_exception_stuff,
2552         build_method_prototype_list_template, generate_descriptor_table,
2553         generate_protocols, build_protocol_initializer,
2554         build_ivar_list_template, build_method_list_template,
2555         build_ivar_list_initializer, generate_ivars_list,
2556         generate_dispatch_table, generate_protocol_list,
2557         build_category_initializer, build_shared_structure_initializer,
2558         generate_shared_structures, handle_impent,
2559         generate_objc_image_info): Likewise.
2560
2561 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
2562
2563         * cfglayout.c (duplicate_insn_chain): Remove references to
2564         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
2565         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
2566         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
2567         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
2568         and NOTE_INSN_LOOP_CONT.
2569         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
2570         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
2571         and NOTE_INSN_LOOP_CONT.
2572         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
2573         check_dbra_loop, loop_dump_aux): Remove references to removed notes
2574         and fields.
2575         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
2576         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
2577         references to removed notes and fields.
2578         (subtract_reg_term, ujump_to_loop_cont): Remove.
2579
2580 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
2581
2582         * doc/install.texi: Document that libcpp does not require
2583         Automake any longer.  Document that Automake 1.9.1 should
2584         work everywhere.
2585
2586 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2587
2588         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
2589         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
2590         DWARF_DEBUGGING_INFO from choice-of-definition chain;
2591         restructure using C89 features (#elif, #error).
2592         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
2593         * config/sh/sh.h: Remove references to DWARF_DEBUG.
2594         * doc/invoke.texi: Remove references to DWARF version 1;
2595         clarify why -gdwarf-2<n> doesn't work.
2596
2597 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2598
2599         * basic-block.h (BB_SET_PARTITION): Clear old value first.
2600         * cfg.c (clear_bb_flags): Don't clear partition setting.
2601         * ifcvt.c (find_if_case_1): Remove ??? comment.
2602
2603 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
2604
2605         PR target/17052
2606         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
2607         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2608         current_function_stdarg in place of sysv_varargs_p.
2609         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
2610         sysv_varargs_p.
2611
2612 2004-08-24  Richard Henderson  <rth@redhat.com>
2613
2614         PR target/16298
2615         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
2616         random codes within CONST.
2617
2618 2004-08-24  James E Wilson  <wilson@specifixinc.com>
2619
2620         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
2621         -freorder-blocks-and-partition.
2622
2623 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2624
2625         PR middle-end/17044
2626         * tree-ssa-threadupdate.c (redirection_data): Make static.
2627         (thread_block): Use ggc_alloc_cleared to allocate struct
2628         redirection_data.  Don't free elements in redirection_data.
2629
2630 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2631
2632         * config/mips/predicates.md (small_data_pattern): Match prefetches.
2633
2634 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2635
2636         PR tree-optimization/17016
2637         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2638         number_of_iterations_exit): Use POINTER_TYPE_P instead
2639         of testing for POINTER_TYPE.
2640
2641 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2642
2643         * tree-ssa-loop-ivcanon.c: New file.
2644         * tree-ssa-loop-manip.c (create_iv): New function.
2645         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
2646         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
2647         * cfgloop.c (mark_single_exit_loops): New function.
2648         (verify_loop_structure): Verify single-exit loops.
2649         * cfgloop.h (struct loop): Add single_exit field.
2650         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
2651         (mark_single_exit_loops): Declare.
2652         (tree_num_loop_insns): Declare.
2653         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
2654         (duplicate_loop_to_header_edge): Use it.
2655         * common.opt (fivcanon): New flag.
2656         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
2657         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
2658         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
2659         (bsi_insert_on_edge_immediate): New function.
2660         * tree-flow.h (bsi_insert_on_edge_immediate,
2661         canonicalize_induction_variables, tree_unroll_loops_completely,
2662         create_iv): Declare.
2663         * tree-optimize.c (init_tree_optimization_passes): Add
2664         pass_iv_canon and pass_complete_unroll.
2665         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
2666         * tree-scalar-evolution.c (get_loop_exit_condition,
2667         get_exit_conditions_rec, number_of_iterations_in_loop,
2668         scev_initialize): Use single_exit information.
2669         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
2670         missing assumptions.
2671         (loop_niter_by_eval):  Return number of iterations as unsigned
2672         int.
2673         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
2674         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
2675         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
2676         New passes.
2677         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
2678         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
2679         the defining statement is ready.
2680         * tree-vectorizer.c (vect_create_iv_simple): Removed.
2681         (vect_create_index_for_array_ref, vect_transform_loop_bound):
2682         Use create_iv.
2683         (vect_transform_loop_bound): Use single_exit information.
2684         (vect_analyze_loop_form): Cleanup bogus tests.
2685         (vectorize_loops): Do not call flow_loop_scan.
2686         * tree.h (may_negate_without_overflow_p): Declare.
2687         * fold-const.c (may_negate_without_overflow_p): Split out from ...
2688         (negate_expr_p): ... this function.
2689         (tree_expr_nonzero_p): Handle overflowed constants correctly.
2690         * doc/invoke.texi (-fivcanon): Document.
2691         * doc/passes.texi: Document canonical induction variable creation.
2692
2693 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2694
2695         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
2696         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
2697         using the mode of the operand to decide between them.
2698         * config/mips/mips.md (MOVECC): New mode macro.
2699         (ccreg): New mode attribute.
2700         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
2701         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
2702         (mov[sd]icc): Redefine using :GPR.
2703
2704 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2705
2706         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
2707         (mips_prefetch_cookie): New function.
2708         * config/mips/mips.c (print_operand_address): Fix handling of
2709         ADDRESS_CONST_INT.
2710         (mips_emit_prefetch): Delete.
2711         (mips_prefetch_cookie): New function.
2712         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
2713         mode of QImode for the address_operand.  Use mips_prefetch_cookie
2714         to calculate the first "pref" operand.
2715         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
2716         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
2717
2718 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
2719
2720         * arm.md: Include predicates.md.
2721         * predicates.md: New file.
2722         * arm.c (s_register_operand, arm_hard_register_operand)
2723         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
2724         (arm_immediate_operand, arm_neg_immediate_operand)
2725         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
2726         (arm_add_operand, arm_addimm_operand, arm_not_operand)
2727         (offsettable_memory_operand, alignable_memory_operand)
2728         (arm_reload_memory_operand, arm_float_rhs_operand)
2729         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
2730         (index_operand, shiftable_operator, logical_binary_operator)
2731         (shift_operator, equality_operator, arm_comparison_operator)
2732         (minmax_operator, cc_register, dominant_cc_register)
2733         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
2734         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
2735         (const_shift_operand, load_multiple_operation)
2736         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
2737         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
2738         (cirrus_register_operand, cirrus_fp_register)
2739         (cirrus_shift_const): Delete, replaced with equivalents in
2740         predicates.md.
2741         (shift_op): Handle ROTATE.
2742         * arm-protos.h: Delete declarations for above.
2743         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2744         * t-arm (MD_INCLUDES): Add predicates.md.
2745         (s-preds): Depends on MD_INCLUDES.
2746
2747 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2748
2749         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
2750         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
2751         patterns.  Redefine using :GPR.  Give the match_operator a mode.
2752         Use '%2' rather than '%z2' for operand 2.
2753
2754 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2755
2756         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
2757         attribute.
2758
2759 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2760
2761         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
2762         of internal patterns.
2763         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
2764         Redefine using :P.
2765         (tablejump): Use expand_binop to calculate address.  Adjust names
2766         of internal patterns.
2767         (tablejump[sd]i): Renamed from tablejump_internal[12].
2768         Redefine using :P.
2769         (tablejump_mips16[12]): Delete.
2770
2771 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2772
2773         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
2774         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
2775         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
2776         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
2777         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
2778
2779 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2780
2781         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
2782         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
2783         using :GPR.
2784         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
2785         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
2786         (*branch_equality[sd]i_inverted): Likewise
2787         branch_equality{,_di}_inverted.
2788         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
2789         Redefine using :GPR.
2790
2791 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2792
2793         * rtl.def: Reorganize, placing all codes used only in machine
2794         descriptions at the end.
2795
2796         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
2797         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
2798         rtx_name, rtx_format arrays by direct reference to rtl.def,
2799         first undefining GENERATOR_FILE.  Define enum insn_note and
2800         note_insn_name array by direct reference to insn-notes.def.
2801         (adjust_field_rtx_def): Remove local definition of rtx_name.
2802         Use symbolic names for insn notes.
2803         * Makefile.in (gengtype.o): Update dependencies.
2804
2805 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2806
2807         * basic-block.h (struct basic_block_def): Reorder fields to
2808         eliminate interior padding.  Remove 'partition' field.
2809         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
2810         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
2811         (BB_COPY_PARTITION): New macros.
2812         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
2813         Replace all references to the 'partition' field of a basic
2814         block with new macros.
2815
2816         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2817         * final.c (final_scan_insn): Don't handle it.
2818         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
2819         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
2820         * sched-rgn.c (sched_is_disabled_for_current_region_p):
2821         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
2822
2823 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2824
2825         * c-decl.c (c_init_decl_processing): Adjust
2826         build_common_tree_nodes call.
2827         * expmed.c (const_mult_add_overflow_p): Use
2828         build_distinct_type_copy.
2829         * stor-layout.c (early_type_list): Remove.
2830         (layout_type): Don't append to early_type_list.
2831         (initialize_sizetypes): Add signed_p argument.
2832         (set_sizetype): Overwrite the stub type nodes directly.
2833         * tree.c (copy_node_stat): Clear a type's value cache here ...
2834         (build_distinct_type): ... not here.
2835         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
2836         * tree.h (initialize_sizetypes): Add signed_p argument.
2837         (build_common_tree_nodes): Likewise.
2838
2839         * objc/objc-act.c (get_static_reference): Use
2840         build_variant_type_copy.
2841         (get_protocol_reference): Likewise.
2842         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
2843
2844 2004-08-24  Richard Henderson  <rth@redhat.com>
2845             Andrew Pinski  <apinski@apple.com>
2846
2847         * gimplify.c (gimplify_array_ref_to_plus): Delete.
2848         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
2849         for ARRAY_REF.
2850
2851         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
2852         ARRAY_REF also to get to the STRING_CST.
2853
2854 2004-08-24  Paul Brook  <paul@codesourcery.com>
2855
2856         * config/arm/arm.c (arm_override_options): Update error message.
2857         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
2858         TARGET_HARD_FLOAT_ABI.
2859         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
2860         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
2861
2862 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2863
2864         PR target/17093
2865         * config/m32r.md (movsi_sda): Add SI mode specification to
2866         UNSPEC.
2867
2868 2004-08-24  Nick Clifton  <nickc@redhat.com>
2869
2870         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
2871         of seth_add3_operand.
2872
2873 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2874
2875         * Makefile.in (PROTO_OBJS): Add errors.o.
2876         * protoize.c (fancy_abort): Remove.
2877         * mips-tfile.c (fancy_abort): Add parameters.
2878
2879 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
2880
2881         * doc/trouble.texi (C++ misunderstandings): Fix example code.
2882
2883 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
2884
2885         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
2886         (host-default.o): Add dependency on HOOKS_H.
2887         * config/x-linux: Likewise.
2888         * config/x-solaris: Likewise.
2889         * config/i386/x-mingw32: Likewise.
2890         * config/rs6000/x-darwin: Likewise.
2891
2892 2004-08-23  James E Wilson  <wilson@specifixinc.com>
2893
2894         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
2895         DEF_REG_NOTE.
2896
2897 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
2898
2899         PR c/14492
2900         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
2901
2902 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
2903
2904         * cfg.c (check_bb_profile): Fix typos.
2905         * function.c (assign_parm_is_stack_parm): Likewise.
2906         * tree-nested.c: Likewise.
2907
2908 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
2909
2910         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
2911         Remove TYPECODE.
2912         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
2913
2914 2004-08-23  Eric Christopher  <echristo@redhat.com>
2915
2916         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
2917         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
2918         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
2919         * target.h: Ditto.
2920         * hooks.h: Include machmode.h.
2921         (hook_bool_mode_false): Declare.
2922         * hooks.c (hook_bool_mode_false): Define.
2923         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
2924         * stor-layout.c (layout_type): Ditto.
2925         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
2926         Define to target macro.
2927         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
2928         * config/arm/arm.c: Ditto. Use.
2929         * config/arm/arm.h: Ditto.
2930         * config/arm/arm-protos.h: Ditto.
2931         * config/i386/i386.c: Ditto.
2932         * config/i386/i386.h: Ditto.
2933         * config/rs6000/rs6000.c: Ditto.
2934         * config/rs6000/rs6000.h: Ditto.
2935         * config/sh/sh.c: Ditto.
2936         * config/sh/sh.h: Ditto.
2937         * config/sh/sh-protos.h: Ditto.
2938         * config/sh/sh.md: Use.
2939         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
2940         to TARGET_VECTOR_MODE_SUPPORTED_P.
2941
2942 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
2943
2944         * Makefile.in (BUILD_ERRORS): Set to build-errors.
2945         (errors.o): New target for host.
2946         (build-errors.o): New target for build.
2947         (genobjs): Replace errors.o with build-errors.
2948         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
2949         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
2950         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
2951         (fix-header.o): Add errors.h
2952         * collect2.c (fancy_abort): Add parameters.
2953         * collect2.h (fancy_abort): Don't declare.
2954         * errors.h (fancy_abort): Don't declare.
2955         * errors.c: Include either bconfig.h or config.h.
2956         (fancy_abort): Trim filename.
2957         * fix-header.c (v_fatal, fatal): Remove.
2958         (progname): Remove definition.
2959         (main): Set progname here.
2960         * gcc.c (fancy_abort): Add parameters.
2961         * gcc.h (fancy_abort): Remove declaration.
2962         * gcov.c (fancy_abort): Remove.
2963         * rtl.h (fancy_abort): Don't declare.
2964         (abort): Don't define.
2965         * tree.h (fancy_abort): Don't declare.
2966         (abort): Don't define.
2967         * system.h (fancy_abort): Declare.
2968         (abort): Define to fancy_abort.
2969         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
2970
2971         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
2972         (usize_type, ubitsizetype): Remove.
2973         * stor-layout.c (set_sizetype): Don't initialize usizetype,
2974         ubitsizetype.
2975         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
2976
2977         * tree.h (build_distinct_type_copy): New.
2978         (build_type_copy): ... here.  Rename to ...
2979         (build_variant_type_copy): ... here.
2980         * tree.c (build_qualified_type): Rename build_type_copy call.
2981         (build_distinct_type_copy): New, broken out of ...
2982         (build_type_copy): ... here.  Rename to ...
2983         (build_variant_type_copy): ... here.  Use
2984         build_distinct_type_copy.
2985         (build_common_tree_nodes_2): Rename build_type_copy call.
2986         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
2987         call.
2988         (handle_packed_attribute, handle_unused_attribute,
2989         handle_transparanet_union_attribute, handle_aligned_attribute,
2990         handle_deprecated_attribute): Likewise.
2991         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
2992         Likewise.
2993         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
2994         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
2995         build_distinct_type_copy.
2996
2997 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
2998
2999         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
3000         attribute.
3001
3002 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3003
3004         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
3005         loads and stores.
3006         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
3007         formerly unnamed patterns.  Redefine using :P for the address.  Remove
3008         explicit length attributes.
3009
3010 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3011
3012         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
3013         New functions.
3014         (single_reachable_address): Use them.
3015         (schedule_sm): Add dump.
3016         (is_call_clobbered_ref): New function.
3017         (determine_lsm_reg): Check whether the reference is call clobbered.
3018         Only work for gimple_reg_type values.
3019
3020 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3021
3022         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
3023         $31 store insns.  Redefine using :GPR.
3024
3025 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3026
3027         * config/mips/mips.md (P): New mode macro.
3028         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
3029         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
3030         Add mode attributes.
3031
3032 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3033
3034         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
3035         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
3036         later constants to cover the gap.
3037         (load, store): New mode attributes.
3038         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
3039         Use new unspec constants.
3040
3041 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3042
3043         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
3044         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
3045         to use register_operand rather than uns_arith_operand as the predicate
3046         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
3047         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
3048         Redefine using :GPR.  Make same predicate change here.  Extend the
3049         commutativity of operands 1 and 2 from the SImode version to the
3050         DImode one.
3051         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
3052         but with no predicate changes.
3053         (*nor[sd]i3): Redefine using :GPR.
3054
3055 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3056
3057         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
3058         noreturn functions.
3059
3060 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3061
3062         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
3063         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
3064         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
3065         rather than "%z2" (with a fake const0_rtx for operand 2).
3066         (ffs[sd]i2): Redefine using :GPR.
3067         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
3068
3069 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3070
3071         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
3072
3073 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3074
3075         * config/mips/mips.md (any_extend): New code macro.
3076         (u, su): New code attributes.
3077         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
3078         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
3079         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
3080         (*{s,u}mul_acc_di): Redefine using any_extend.
3081         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
3082         to reflect real insn names.
3083         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
3084         with an any_extend template.
3085         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
3086         Add '*' to name.
3087
3088 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3089
3090         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
3091         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
3092         (mul[sd]i3_r4000): Redefine using :GPR.
3093         (mulsi3_mult3): Don't check TARGET_MAD separately.
3094         (muldi3_mult3): Moved after mulsi_mult3.
3095
3096 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3097
3098         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
3099         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
3100         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
3101         (TARGET_GAS, TARGET_MIPS_AS): Delete.
3102         (TARGET_GPWORD): Define to true for n32 on IRIX.
3103         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
3104         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
3105         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
3106         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
3107         (MDEBUG_ASM_SPEC): Delete, folding into...
3108         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
3109         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
3110         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
3111         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
3112         to define asm_abi_default_spec.
3113         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
3114         (TARGET_ASM_SELECT_SECTION): Delete.
3115         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
3116         for non-mips16 code, removing previous workaround for SGI assemblers.
3117         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
3118         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
3119         (override_options): Remove !TARGET_GAS and !have_named_sections code.
3120         (print_operand): Fold TARGET_GAS conditionals into asm strings.
3121         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
3122         ASM_STABS_OP and ASM_STABN_OP.
3123         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
3124         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
3125         (mips_output_function_prologue): Remove !TARGET_GAS code.
3126         (mips_select_rtx_section): Remove !have_named_sections code.
3127         (mips_select_section): Delete.
3128         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
3129         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
3130         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
3131         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
3132         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
3133         * config/mips/windiss.h (ASM_SPEC): Likewise.
3134
3135 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3136
3137         * read-rtl.c (map_value, mapping, macro_group): New structures.
3138         (BELLWETHER_CODE): New macro.
3139         (modes, codes, bellwether_codes): New variables.
3140         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
3141         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
3142         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
3143         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
3144         (add_map_value, initialize_macros): New functions.
3145         (def_hash, def_hash_eq_p): Generalize to anything that points to,
3146         or starts with, a char * field.
3147         (find_macro, read_mapping, check_code_macro): New functions.
3148         (read_rtx_1): New, split out from read_rtx.  Handle the new
3149         define_{mode,code}_{macro,attr} constructs.  Use find_macro
3150         to parse the name of a code or mode.  Use BELLWETHER_CODE to
3151         extract the format and to choose a suitable code for rtx_alloc.
3152         Modify recursive invocations to use read_rtx_1.
3153         (read_rtx): Call initialize_macros.  Apply code and mode macros
3154         to the rtx returned by read_rtx_1.  Cache everything after the
3155         first macro expansion for subsequent read_rtx calls.
3156         * doc/md.texi: Document new .md constructs.
3157         * config/mips/mips.md (GPR): New mode macro.
3158         (d, si8_di5): New mode attributes.
3159         (any_cond): New code macro.
3160         (add[sd]i3): Redefine using :GPR.
3161         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
3162         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
3163         previously unnamed MIPS16 patterns.
3164         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
3165         lines.  Don't match (plus (const_int 0) ...).
3166         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
3167         Use a define_split to generate the addition.
3168         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
3169         (subsi3_internal): Delete.
3170         (*subsi3_extended): Renamed from subsi3_internal_2.
3171         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
3172         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
3173         using an any_cond template.
3174
3175 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3176
3177         * read-rtl.c (read_rtx): Tidy use of format_ptr.
3178
3179 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3180
3181         * read-rtl.c (string_obstack): New file-scope variable.
3182         (read_string, read_quoted_string, read_braced_string)
3183         (read_escape): Remove obstack parameter and use string_obstack instead.
3184         (read_rtx): Remove function-local rtl_obstack and initialize
3185         string_obstack instead.  Update call to read_string.
3186
3187 2004-08-22  Andrew Pinski  <apinski@apple.com>
3188
3189         PR c/15262
3190         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
3191         expression is not constant.
3192         (c_finish_return): Do not go through INDIRECT_REF when looking
3193         for the inner expression of an ADDR_EXPR for warning about.
3194
3195 2004-08-22  Richard Henderson  <rth@redhat.com>
3196
3197         PR 17075
3198         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
3199         create new blocks and fall through.
3200         (expand_gimple_basic_block): Update to match.
3201
3202 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
3203
3204         * reload.c (find_reloads_address): Make return value tri-state.
3205         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
3206         (find_reloads): Assume that reloaded addresses match 'o' or
3207         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
3208         returned 1 (not -1).  Omit optional reloads for address operands
3209         only if find_reloads_address returned 1 (not -1).
3210
3211         * config/s390/s390.c (legitimize_reload_address): New function.
3212         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
3213         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
3214         legitimize_reload_address.
3215
3216 2004-08-22  Richard Hendersion  <rth@redhat.com>
3217
3218         * tree.h (SAVE_EXPR_RESOLVED_P): New.
3219         * gimplify.c (gimplify_save_expr): Use it.
3220         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
3221         on the temporary variable.
3222
3223 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
3224
3225         * fold-const.c (rtl_expr_nonnegative_p): Delete.
3226         * tree.h (rtl_expr_nonnegative_p): Remove.
3227
3228 2004-08-22  Steven Bosscher  <stevenb@suse.de>
3229
3230         * config/i386/ppro.md (ppro_complex_insn): Add missing check
3231         for cpu==pentiumpro.
3232
3233         * combine.c (struct reg_stat): Fix comment typo.
3234
3235 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3236
3237         * c-tree.h (c_sizeof_nowarn): Remove.
3238
3239 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
3240
3241         * c-decl.c (set_array_declarator_type): Rename to
3242         set_array_declarator_inner.
3243         (build_c_parm, build_attrs_declarator, build_function_declarator):
3244         New functions.
3245         (make_pointer_declarator): Call build_attrs_declarator.
3246         * c-tree.h (set_array_declarator_type): Rename to
3247         set_array_declarator_inner.
3248         (build_c_parm, build_attrs_declarator, build_function_declarator):
3249         New prototypes.
3250         * c-parse.in (after_type_declarator,
3251         parm_declarator_starttypename, parm_declarator_nostarttypename,
3252         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
3253         firstparm): Use these functions
3254
3255 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
3256
3257         * c-decl.c (build_array_declarator, set_array_declarator_type,
3258         start_decl, grokdeclarator, grokparms): Change boolean parameters
3259         to type bool.
3260         * c-tree.h (build_array_declarator, set_array_declarator_type,
3261         start_decl): Update prototypes.
3262         * c-decl.c, c-parse.in: All callers changed.
3263
3264 2004-08-21  Mike Stump  <mrs@apple.com>
3265
3266         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
3267         (darwin_fix_and_continue): Likewise.
3268         (darwin_fix_and_continue_switch): Likewise.
3269         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
3270         (darwin_fix_and_continue): Likewise.
3271         (darwin_fix_and_continue_switch): Likewise.
3272
3273 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
3274
3275         PR  c++/16030
3276         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
3277         Remove, merging into ...
3278         (gen_stdcall_or_fastcall_suffix): New function, returning tree
3279         rather than const char*, and accepting additional parameter.
3280         Don't add suffix to '*'-prefixed symbols or variadic functions.
3281         (i386_pe_encode_section_info): Adjust for call to new function.
3282         Call change_decl_assembler_name.
3283
3284 2004-08-20  Mike Stump  <mrs@apple.com>
3285
3286         * config/darwin.c (machopic_indirect_data_reference): Mark
3287         stubs as defined.
3288         * config/386/386.c (darwin_local_data_pic): Add.
3289         (legitimate_constant_p): Reorder so that PLUS handling runs
3290         before darwin_local_data_pic to match the ordering in
3291         legitimate_pic_address_disp_p and so that MINUS runs after
3292         darwin_local_data_pic as otherwise the darwin_local_data_pic
3293         logic can be skipped, which would be very bad.
3294         (legitimate_pic_address_disp_p): Move from from here to
3295         darwin_local_data_pic so it can be reused.
3296
3297 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
3298
3299         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
3300         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
3301         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
3302         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
3303         (RS6000_ABI_NAME): Define as "linux".
3304         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
3305         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
3306         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
3307         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
3308         * config/rs6000/rs6000.c (dot_symbols): New global var.
3309         (rs6000_output_function_entry): New function, modified for
3310         !DOT_SYMBOLS..
3311         (print_operand <case 'z'>): ..extracted from here.
3312         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
3313         (rs6000_output_function_epilogue): Likewise.
3314         (rs6000_elf_declare_function_name): Likewise.
3315         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
3316         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
3317         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
3318         * configure: Regenerate.
3319         * config.in: Regenerate.
3320
3321 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3322
3323         * reload.c (find_reloads_address): Fix thinko in previous change.
3324
3325         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
3326         a CONST_INT.
3327
3328 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
3329
3330         PR rtl-optimization/17099
3331         * combine.c (force_to_mode): Check if inner_mask has any bits set
3332         outside of GET_MODE (x) instead of op_mode.
3333
3334 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3335
3336         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
3337         fragment.
3338         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
3339         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
3340         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
3341         architecture.
3342         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
3343         configurations.
3344         * config/arm/t-symbian: New file.
3345
3346 2004-08-20  Andrew Pinski  <apinski@apple.com>
3347
3348         * regrename.c (kill_value_regno): ANSIfy.
3349
3350 2004-08-20  Dale Johannesen  <dalej@apple.com>
3351
3352         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
3353
3354 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
3355
3356         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
3357         (kill_value_regno): New function, derived from kill_value.
3358         (kill_value): Update.
3359         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
3360
3361 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
3362
3363         Fix PR tree-optimization/17111
3364         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
3365         of non-value_handles.
3366         (bitmap_set_contains): All constants are in every set.
3367
3368 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3369
3370         * fold-const.c (round_up, round_down): Use build_int_cst.
3371         Optimize common case.
3372
3373 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
3374             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3375
3376         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
3377         one_only_data_section): Rename to som_readonly_data_section,
3378         som_one_only_readonly_data_section and som_one_only_data_section.
3379         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
3380         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
3381         conditional defines.
3382         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
3383         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
3384         string values.
3385         (pa_select_section): Use renamed section functions.
3386         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3387         SOM_READONLY_DATA_SECTION_FUNCTION,
3388         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
3389         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
3390         Define here ...
3391         * config/pa/som.h: ... not here.
3392         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
3393         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
3394         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
3395         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
3396         (READONLY_DATA_SECTION): Use som_readonly_data_section.
3397
3398 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3399
3400         * fold-const.c (int_const_binop): Don't generate non-overflowing
3401         size-types specially.
3402         (fold_convert_const): Likewise.
3403
3404         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
3405         clear cache on copied sizetype.
3406
3407 2004-08-20  Ben Elliston  <bje@au.ibm.com>
3408
3409         * configure.ac: Don't escape apostrophe in --enable-coverage help.
3410         * configure: Regenerate.
3411
3412 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
3413
3414         PR 5620
3415         * gcc.c (struct stat input_stat): Don't define if
3416         HOST_LACKS_INODE_NUMBERS
3417         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
3418         than stat to determine if temp file is same as input file.
3419         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
3420         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
3421
3422 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
3423
3424         * configure.ac (mips*-*-*): Print an error if not using GAS.
3425         * configure: Regenerated.
3426         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
3427         comments about buggy MIPSpro assemblers.
3428         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
3429         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
3430         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
3431         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
3432         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
3433         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
3434         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
3435         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
3436         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
3437         of more general IRIX 6 definitions.
3438         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
3439         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
3440         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
3441         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
3442         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3443         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
3444         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
3445         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
3446         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
3447         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
3448         (LINK_SPEC): Move most of definition to iris.h.
3449         (SUBTARGET_LINK_SPEC): New macro.
3450         (IRIX_STARTFILE_SPEC): Fold into...
3451         (STARTFILE_SPEC): ...here.
3452         (IRIX_ENDFILE_SPEC): Fold into...
3453         (ENDFILE_SPEC): ...here.
3454         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
3455         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
3456         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
3457         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
3458         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
3459         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
3460         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
3461         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3462         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
3463         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
3464         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
3465         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
3466         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
3467         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
3468         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
3469         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
3470         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
3471         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
3472         (TARGET_IRIX6): Define to 1.
3473         (DRIVER_SELF_SPECS): Define.
3474         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
3475         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
3476         (SUBTARGET_LINK_SPEC): New macro.
3477         (IRIX_STARTFILE_SPEC): Fold into...
3478         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
3479         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
3480         (LIB_SPEC, LIBGCC_SPEC): Use them.
3481         (LIB_SPEC): Remove !mabi=* case.
3482         (IRIX_ENDFILE_SPEC): Fold into...
3483         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
3484         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
3485         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
3486         (TARGET_IRIX6): New macro.
3487         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
3488         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
3489         (LABEL_AFTER_LOC): Delete.
3490         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
3491         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
3492         (mips_build_builtin_va_list): Check TARGET_IRIX6.
3493         (override_options): Remove TARGET_SGI_O32_AS-related code.
3494         (irix_output_external_libcall): Make static.
3495         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
3496         LABEL_AFTER_LOC.
3497         (mips_file_start): Tidy guard for ABI sections.  Remove use of
3498         ABICALLS_ASM_OP; use .abicalls instead.
3499         (mips_output_aligned_decl_common, mips_declare_object_name)
3500         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
3501         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
3502         .globl foo .text directives.
3503         (irix_asm_named_section_1, irix_asm_named_section)
3504         (irix_section_align_entry, irix_section_align_htab)
3505         (irix_orig_asm_out_file, irix_section_align_entry_eq)
3506         (irix_section_align_entry_hash, irix_asm_output_align)
3507         (irix_file_start, irix_section_align_1, copy_file_data)
3508         (irix_file_end, irix_section_type_flags): Delete.
3509         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
3510         Use standard section syntax.  Remove protective "jr $31".
3511         (__gcc_fini): Likewise .gcc_fini.
3512         * config/mips/irix-crtn.asm: Adjust sections accordingly.
3513         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
3514         iris5gas.h.
3515         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
3516         from t-irix-gld.
3517         (EXTRA_MULTILIB_PARTS): Define.
3518         * config/mips/t-iris6: Remove bogus comment.
3519         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
3520         * config/mips/iris5gas.h, config/mips/iris5gld.h,
3521         config/mips/iris6gas.h, config/mips/iris6gld.h,
3522         config/mips/t-iris5-as, config/mips/t-iris5-gas
3523         config/mips/t-irix-gld: Delete.
3524         * config/mips/iris.h: New file.
3525         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
3526
3527 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
3528
3529         * postreload.c (reload_cse_move2add): Allow any condjump, but check
3530         that the implicit set isn't clobbered in the jump insn.
3531
3532 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3533
3534         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
3535         * optabs.c (init_optabs): Don't check it.
3536         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
3537         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
3538
3539 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
3540
3541         * config/s390/s390.md (s390_warn_framesize_string)
3542         (s390_warn_dynamic_string, s390_stack_size_string)
3543         (s390_stack_guard_string): New global string variables.
3544         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
3545         (s390_stack_guard): New global variables.
3546         (override_options): Added checks for the new options.
3547         (s390_emit_prologue): Emit stack check and trap code and perform
3548         compile time stack size checking.
3549
3550         * config/s390/s390.h (TARGET_OPTIONS): Added new options
3551         "warn-framesize", "warn-dynamicstack", "stack-size" and
3552         "stack-guard".
3553
3554         * doc/invoke.texi: Added documentation for the new options.
3555
3556 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3557
3558         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
3559         to eliminate warning.
3560         (linear_search_fdes): Declare p as unsigned.
3561         (binary_search_mixed_encoding_fdes): Likewise.
3562         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
3563         to eliminate warning.
3564         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
3565         type cast.
3566
3567 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3568
3569         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
3570         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
3571         instead of one.  Check for strictly legitimate address.
3572         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
3573         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
3574
3575 2004-08-19  Eric Christopher  <echristo@redhat.com>
3576
3577         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
3578         * langhooks.h (unsave_expr_now): Ditto.
3579         * tree.h (unsave_expr_1): Remove prototype.
3580         (lhd_unsave_expr_now): Rename to unsave_expr_now.
3581         * tree-inline.c (unsave_expr_1): Move here
3582         from tree.c. Make static.
3583         (unsave_expr_now): Rename from lhd_unsave_expr_now.
3584         * tree-sra.c: Fix up for rename.
3585         * tree-ssa-copy.c: Ditto.
3586         * tree-eh.c: Ditto.
3587         * tree.c (unsave_expr_1): Move to tree-inline.c.
3588
3589 2004-08-19  Caroline Tice  <ctice@apple.com>
3590
3591         * config/i386/cygming.h (switch_to_section):  Fix typo (change
3592         in_unlikely_text_section to in_unlikely_executed_text).
3593
3594 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
3595
3596         * vec.h (VEC_lower_bound): New macro.
3597
3598 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
3599
3600         PR target/16446
3601         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
3602         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
3603         treat each ABI separately.  Deal with n32/n64 complex float arguments.
3604         (function_arg): Add associated complex handling here.
3605
3606 2004-08-19  Richard Henderson  <rth@redhat.com>
3607
3608         * config/arm/arm.c (arm_gen_load_multiple): Use
3609         adjust_automodify_address.  Take base memory and offset instead
3610         of unchanging/struct/scalar bits.
3611         (arm_gen_store_multiple): Likewise.
3612         (arm_gen_movmemqi): Use adjust_automodify_address.
3613         * config/arm/arm-protos.h: Update decls.
3614         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
3615         (store_multiple): Similarly.
3616
3617 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
3618
3619         * regclass.c (globalize_reg): Update call_really_used_regs.
3620
3621 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
3622
3623         * doc/invoke.texi (integer-share-limit): Document.
3624
3625         * tree.h (TYPE_CACHED_VALUES_P): New.
3626         (TYPE_CACHED_VALUES): New.
3627         (TYPE_ORIG_SIZE_TYPE): Adjust.
3628         * tree.def (INTEGER_CST): Update documentation.
3629         * tree.c: Inlcude params.h.
3630         (build_int_cst): Cache small values.
3631         (build_type_copy): Do not copy the value cache.
3632         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
3633         unneeded zeroing.
3634         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
3635         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
3636         cache.
3637         * fold-const.c (force_fit_type): Copy value when setting
3638         overflows.
3639         (int_const_binop): Likewise.
3640         * stor-layout.c: Include params.h
3641         (set_sizetype): Create values cache.
3642         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
3643         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
3644         * params.h (INTEGER_SHARE_LIMIT): New.
3645         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
3646
3647 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
3648
3649         * gimplify.c (gimplify_minimax_expr): Remove.
3650         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
3651
3652 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
3653
3654         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3655         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
3656
3657 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3658
3659         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
3660
3661 2004-08-18  Andrew Pinski  <apinski@apple.com>
3662
3663         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
3664
3665 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
3666
3667         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
3668         (__aeabi_ul2f): Likewise.
3669
3670 2004-08-18  Richard Henderson  <rth@redhat.com>
3671
3672         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
3673         move to rtl completely.
3674         (struct meminsnbuf, xtensa_emit_block_move): Remove.
3675         (xtensa_find_mode_for_size): Remove.
3676         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
3677         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
3678
3679 2004-08-18  Richard Henderson  <rth@redhat.com>
3680
3681         * config/mcore/mcore.c (mode_from_align): Remove DImode.
3682         (block_move_sequence): Rewrite to use adjust_address.
3683         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
3684         Return boolean indicating success/failure.
3685         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
3686         * config/mcore/mcore.md (movmemsi): Update to match.
3687
3688 2004-08-18  Mike Stump  <mrs@apple.com>
3689
3690         * doc/invoke.texi (-mfix-and-continue): Add support for
3691         fast turn around debugging.
3692         (-ffix-and-continue): Likewise.
3693         (-mindirect-data): Likewise.
3694         (-findirect-data): Likewise.
3695         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
3696         (indirect_data): Likewise.
3697         (machopic_data_defined_p): Likewise.
3698         (machopic_output_indirection): Likewise.
3699         (darwin_encode_section_info): Likewise.
3700         (darwin_fix_and_continue): Likewise.
3701         (darwin_fix_and_continue_switch): Likewise.
3702         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
3703         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
3704         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
3705         (SUBTARGET_OPTIONS): Likewise.
3706         (darwin_fix_and_continue): Likewise.
3707         (darwin_fix_and_continue_switch): Likewise.
3708         (TARGET_FIX_AND_CONTINUE): Likewise.
3709         * config/rs6000.c (rs6000_emit_prologue): Likewise.
3710
3711 2004-08-19  Steven Bosscher  <stevenb@suse.de>
3712
3713         * basic-block.h (struct edge_def): Remove crossing_edge.
3714         (EDGE_CROSSING): New define.
3715         (EDGE_ALL_FLAGS): Update.
3716         * bb-reorder.c (find_traces_1_round, better_edge_p,
3717         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
3718         find_jump_block, fix_crossing_conditional_branches,
3719         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3720         Replace all occurences of crossing_edge with an edge flag check
3721         or set/reset.
3722         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3723         try_crossjump_bb): Likewise.
3724         * cfglayout.c (fixup_reorder_chain): Likewise.
3725         * cfgrtl.c (force_nonfallthru_and_redirect,
3726         commit_one_edge_insertion): Likewise.
3727
3728         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
3729         * tree-flow.h (compute_dominance_frontiers): Move prototype...
3730         * basic-block.h:  ...here.
3731         * tree-cfg.c (compute_dominance_frontiers_1,
3732         compute_dominance_frontiers): Move from here...
3733         * cfganal.c: ...to here.  Include timevar.h.
3734
3735 2004-08-18  James E Wilson  <wilson@specifixinc.com>
3736
3737         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
3738         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
3739
3740         * config/mips/mips.md (type): Add frdiv.
3741         (divsf3+1, divsf3+2): Change type to frdiv.
3742         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
3743         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
3744
3745         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
3746         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
3747         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
3748         * config/mips/5000.md (r5k_fdiv_single): Likewise.
3749         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
3750         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
3751         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
3752         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
3753         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
3754         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
3755         Likewise.
3756         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
3757
3758 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
3759
3760         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
3761         get regression tester working again.
3762
3763 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3764
3765         * insn-notes.def, reg-notes.def: New files.
3766         * rtl.h: Use them to define enum insn_note and enum reg_note.
3767         * rtl.c: Use them to define note_insn_name and reg_note_name.
3768         * Makefile.in (RTL_BASE_H): Update.
3769
3770         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
3771         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
3772
3773 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3774
3775         * arm.c (arm_size_rtx_costs): New function.
3776         (arm_override_options): Use it if optimizing for space.
3777
3778 2004-08-18  Richard Henderson  <rth@redhat.com>
3779
3780         * emit-rtl.c (gen_const_mem): New.
3781         * rtl.h (gen_const_mem): Declare.
3782         * expr.c (do_tablejump): Use it.
3783         * varasm.c (force_const_mem): Likewise.
3784         * config/darwin.c (machopic_indirect_data_reference): Likewise.
3785         (machopic_legitimize_pic_address): Likewise.
3786         * config/arm/arm.c (legitimize_pic_address): Likewise.
3787         * config/i386/i386.c (legitimize_pic_address): Likewise.
3788         (legitimize_tls_address): Likewise.
3789         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3790         * config/ia64/ia64.md (load_fptr): Likewise.
3791         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3792         * config/pa/pa.c (legitimize_pic_address): Likewise.
3793         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3794         (rs6000_emit_move): Likewise.
3795         * config/s390/s390.c (legitimize_pic_address): Likewise.
3796         (legitimize_tls_address): Likewise.
3797         * config/s390/s390.md (casesi): Likewise.
3798         * config/sh/sh.c (sh_reorg): Likewise.
3799         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3800         * config/v850/v850.md (casesi): Likewise.
3801
3802         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
3803         * config/sh/sh.c (prepare_move_operands): Remove incorrect
3804         use of MEM_READONLY_P.
3805
3806 2004-08-18  Steven Bosscher  <stevenb@suse.de>
3807
3808         * Makefile.in (OBJS-common): Add postreload-gcse.c.
3809         Add new postreload-gcse.o.
3810         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
3811         (lookup_as_function, insert, rehash_using_reg, use_related_value,
3812         equiv_constant): Use SAFE_HASH instead of safe_hash.
3813         (exp_equiv_p): Export.  Add for_gcse argument when comparing
3814         for GCSE.
3815         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
3816         find_comparison_args, fold_rtx, cse_insn): Update callers.
3817         (hash_rtx): New function derived from old canon_hash and bits
3818         from gcse.c hash_expr_1.
3819         (canon_hash_string): Rename to hash_rtx_string.
3820         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
3821         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
3822         (cselib_lookup): Update this caller.
3823         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
3824         Make static.
3825         (hash_expr): Call hash_rtx.
3826         (ldst_entry): Likewise.
3827         (expr_equiv_p): Call exp_equiv_p.
3828         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
3829         reg_used_on_edge, reg_set_between_after_reload_p,
3830         reg_used_between_after_reload_p, get_avail_load_store_reg,
3831         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
3832         get_bb_avail_insn, hash_scan_set_after_reload,
3833         compute_hash_table_after_reload,
3834         eliminate_partially_redundant_loads, gcse_after_reload,
3835         get_bb_avail_insn, gcse_after_reload_main): Remove.
3836         * postreload-gcse.c: New file, reincarnating most of the above.
3837         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
3838         (gcse_after_reload_main): Update prototype.
3839         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
3840         * passes.c (rest_of_handle_gcse2): Use it.
3841
3842 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3843
3844         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
3845         (pass_loop_done): Likewise.
3846
3847 2004-08-18  Andrew Pinski  <apinski@apple.com>
3848
3849         * config/rs6000/darwin.md: Delete the altivec patterns which are
3850         handled differently now.
3851         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
3852         (macho_correct_pic_di): Likewise.
3853         (call_indirect_nonlocal_darwin64): Likewise.
3854         Delete the save world/saveFP/saveVec patterns.
3855
3856         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
3857         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3858         * config/rs6000/rs6000.md: Include darwin.md.
3859         (builtin_setjmp_receiver): Add DImode case.
3860         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3861         Darwin bits.
3862
3863 2004-08-18  Matt Austern  <austern@apple.com>
3864
3865         Dead code stripping
3866         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
3867         * darwin.c (darwin_file_end): Mark file as potentially strippable.
3868
3869 2004-08-18  Richard Henderson  <rth@redhat.com>
3870
3871         * alias.c (readonly_fields_p): Remove.
3872         (objects_must_conflict_p): Don't call it.
3873         * tree.h (readonly_fields_p): Remove.
3874         * langhooks.h (struct lang_hooks): Remove honor_readonly.
3875         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
3876
3877 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3878
3879         * tree-dfa.c (add_referenced_var): Only global variables are
3880         call-clobbered.
3881         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
3882         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
3883         all pointers dereferenced if the statement dereferences them.
3884         (create_name_tags): Do not create memory tags for pointers
3885         that have PT_ANYTHING set.
3886         Also check if PT_VARS is not empty before creating a name tag.
3887         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
3888         variables that share the same alias set with a pointer that
3889         may point anywhere.
3890         (add_may_alias): Add FIXME comment to remove clobbering
3891         aliased variables and tags.
3892         (replace_may_alias): Likewise.
3893         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
3894         (merge_pointed_to_info): If the original variable has not
3895         points-to information, call set_pt_anything.
3896         (add_pointed_to_var): Do not prevent adding a pointed-to
3897         variable if the pointers is PT_ANYTHING.
3898         If the variable is a global, set PT_GLOBAL_MEM.
3899         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
3900         pointer type only come in PTR+OFFSET flavours.
3901         Always call merge_pointed_to_info on PHI arguments that are
3902         SSA_NAMEs.
3903         (get_nmt_for): Mark call-clobbered tags whose pointer points
3904         to global memory.
3905         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
3906         values.
3907         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
3908         FLAGS.
3909         (add_stmt_operand): Abort if the caller tried to add a killing
3910         definition for a memory tag.
3911         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
3912         unnecessary checks.
3913
3914 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
3915
3916         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
3917         from call_used_regs.  Update call_really_used_regs.
3918         (CALL_REALLY_USED_REGISTERS): Define.
3919         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
3920         Replace call_used_regs with call_really_used_regs.
3921         (calc_live_regs, sh_media_register_for_return): Likewise.
3922         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
3923         * sh.md (return_media): Likewise.
3924
3925 2004-08-18  Andrew Pinski  <apinski@apple.com>
3926
3927         * config/darwin.c (machopic_legitimize_pic_address): Only set
3928         MEM_READONLY_P in the non TARGET_TOC case.
3929
3930 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3931
3932         * rtl.def (NIL): Delete.
3933         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
3934         Tighten the syntax a little.
3935
3936         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
3937         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
3938         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
3939         * config/i386/predicates.md, config/m32r/m32r.h
3940         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
3941         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
3942         * config/sparc/sparc.h, doc/tm.texi:
3943         Replace all occurrences of NIL with UNKNOWN.
3944
3945 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3946
3947         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
3948         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
3949         sequence inline.  Move drop_through_label code into this
3950         block, being the only place it is used.  Adjust comments.
3951
3952 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
3953
3954         * config/rs6000/altivec.md: Add new patterns for calls to
3955         save_world/rest_world functions.
3956
3957         * config/rs6000/rs6000-protos.h: (save_world_operation,
3958         restore_world_operation) new declarations.
3959
3960         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
3961         field added.
3962         (rs6000_stack_info): Set world_save_p field.
3963         (save_world_operation): New function.
3964         (restore_world_operation): New function.
3965         (compute_save_world_info): New function.
3966         (rs6000_stack_info): Call compute_save_world_info.
3967         (rs6000_emit_prologue): Check for world_save_p and generate
3968         pattern to call save_world for saving all non-volatile and
3969         special registers.
3970         (rs6000_emit_epilogue): Check for world_save_p and generate
3971         pattern to call rest_world to restore saved registers.
3972
3973         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
3974         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
3975         (rs6000_reg_names): New entries added for save_world_operation and
3976         restore_world_operation.
3977
3978 2004-08-18  Caroline Tice  <ctice@apple.com>
3979
3980         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
3981         "-freorder-blocks-and-partition" to the flags used in second
3982         stage of profiledbootstrap.
3983         * bb-reorder.c (push_to_next_round_p): Add new variable,
3984         next_round_is_last; set and use variable to make sure, when
3985         partitioning, that the last trace construction round consists
3986         of all (and only) cold basic blocks.
3987         (rotate_loop): Don't copy blocks that end in a section
3988         crossing jump.
3989         (copy_bb): Correctly initialize "partition" of duplicated bb.
3990         (add_unlikely_executed_notes): Add a comment.
3991         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
3992         to make sure, if function contains hot blocks, that the
3993         successors of ENTRY_BLOCK_PTR are hot; also, only look for
3994         crossing edges if the architecture supports named sections.
3995         (mark_bb_for_unlikely_executed_section): Modify to always
3996         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
3997         the basic block note insn.
3998         (fix_crossing_unconditional_branches): Remove extra space.
3999         (fix_edges_for_rarely_executed_code): Modify to only do
4000         partitioning work if the architecture supports named sections.
4001         (reorder_basic_blocks): Modify to only add
4002         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
4003         supports named sections.
4004         * c-common.c (handle_section_attribute): Initialize new global
4005         variable, user_defined_section_attribute, to true if user has
4006         specified one.
4007         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
4008         forward edges that cross section boundaries.
4009         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
4010         partitioning information if the architecture supports named
4011         sections.
4012         * cfgrtl.c (target.h): Add statement to include this.
4013         (rtl_split_block): Make sure newly created bb gets correct
4014         partition.
4015         (try_redirect_by_replacing_jump): Make sure redirection isn't
4016         attempting to cross section boundaries.
4017         (force_nonfallthru_and_redirect): Only do partition fix up if
4018         architecture supports named sections.
4019         (rtl_split_edge): Make sure newly created bb ends up in
4020         correct partition.
4021         (commit_one_edge_insertion): Remove code that incorrectly
4022         updated basic block partition; Make sure partition fix up only
4023         happens if architecture supports named sections and it's not
4024         already done.
4025         (rtl_verify_flow_info_1): Fix if-condition on test/error
4026         condition that fallthru edges are not allowed to cross section
4027         boundaries.
4028         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
4029         * final.c (final_scan_insn): Remove redundant test from if-statement;
4030         change calls to text_section into calls to function_section; add code
4031         to only to partitioning fix up if architecture supports named
4032         sections.
4033         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
4034         partition.
4035         (if_convert): Add targetm.have_named_sections to test.
4036         * output.h (unlikely_section_label): Extern declaration for new global
4037         variable.
4038         (unlikely_text_section_name): Likewise.
4039         * opts.c (decode_options): If both partitioning and DWARF debugging
4040         are turned on, issue a warning that this doesn't work, and change
4041         partitiong to basic block reordering (without hot/cold partitions).
4042         * passes.c (rest_of_handle_final): Re-set new global variable,
4043         user_defined_section_attribute, to false.
4044         (rest_of_compilation): Change options for calling partitioning
4045         function: Don't call if the user defined the section attribute, and
4046         don't call if DECL_ONE_ONLY is true for the current function.
4047         * predict.c (choose_function_section): Return immediately if we
4048         are doing hot/cold partitioning (i.e. let the basic block partitioning
4049         determine where the function belongs).
4050         * reg-stack.c (emit_swap_insn): Add condition to step over
4051         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
4052         * toplev.c (user_defined_section_attribute): New global variable.
4053         * toplev.h (user_defined_section_attribute): Extern declaration
4054         for new global variable.
4055         * varasm.c (unlikely_section_label): New global variable.
4056         (unlikely_text_section_name): New global variable.
4057         (unlikely_text_section): Add code to initialize
4058         unlikely_text_section_name if necessary; modify to use
4059         unlikely_text_section_name and unlikely_section_label; also to use
4060         named_section properly.
4061         (in_unlikely_text_section):  Modify to work correctly with
4062         named_section and to use unlikely_text_section_name.
4063         (named_section):  Add code to work properly with cold section.
4064         (function_section): Clean up if-statement.
4065         * config/darwin.c (darwin_asm_named_section): Return to original
4066         code, removing use of SECTION_FORMAT_STRING.
4067         * config/arm/pe.h (switch_to_section):  Add case for
4068         in_unlikely_executed_text to switch statement.
4069         * config/i386/cygming.h (switch_to_section): Likewise.
4070         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
4071         (SECTION_FORMAT_STRING): Likewise.
4072         * config/mcore/mcore.h (switch_to_section): Likewise.
4073         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
4074         (SECTION_FORMAT_STRING): Remove.
4075
4076 2004-08-18  Roger Sayle  <roger@eyesopen.com>
4077
4078         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
4079         -ffixed-reg safe, by preserving the meanings of zero and one.
4080         (CALL_USED_REGISTERS): Likewise.
4081         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
4082
4083 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4084
4085         * config/sh/sh.c (split_branches): Check the result of
4086         next_active_insn.
4087         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
4088         Call rtl_register_cfg_hooks.
4089
4090 2004-08-18  Richard Henderson  <rth@redhat.com>
4091
4092         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
4093         * alias.c (true_dependence): Update to match new semantics.
4094         (canon_true_dependence, write_dependence_p): Likewise.
4095         (anti_dependence, output_dependence): Update write_dependence_p args.
4096         (unchanging_anti_dependence): Remove.
4097         * calls.c (purge_mem_unchanging_flag): Remove.
4098         (fixup_tail_calls): Don't call it.
4099         (expand_call): Don't add unchanging memory to function usage.
4100         * expr.c (emit_block_move_via_libcall): Likewise.
4101         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
4102         (get_subtarget): Don't use RTX_UNCHANGING_P.
4103         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
4104         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
4105         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
4106         * cse.c (insert): Don't use RTX_UNCHANGING_P.
4107         (cse_insn, canon_hash): Use MEM_READONLY_P.
4108         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
4109         instead of RTX_UNCHANGING_P.
4110         * explow.c (maybe_set_unchanging): Remove.
4111         * expr.h (maybe_set_unchanging): Remove.
4112         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
4113         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
4114         (assign_parm_setup_reg, expand_function_start): Likewise.
4115         * integrate.c (copy_rtx_and_substitute): Likewise.
4116         * ra-rewrite.c (emit_colors): Likewise.
4117         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
4118         (fixup_match_1): Likewise.
4119         * reload1.c (reload, alter_reg): Likewise.
4120         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
4121         not RTX_UNCHANGING_P.
4122         (equiv_init_varies_p): Likewise.
4123         * loop-invariant.c (check_maybe_invariant): Likewise.
4124         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
4125         * loop.c (note_addr_stored): Likewise.
4126         (prescan_loop): Likewise. Don't check function usage for clobbered
4127         unchanging memory.
4128         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
4129         not RTX_UNCHANGING_P.
4130         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
4131         * varasm.c (force_const_mem): Likewise.
4132         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
4133         * web.c (entry_register): Likewise.
4134         * tree-gimple.h (get_base_address): Move decl ...
4135         * tree.h: ... here.
4136         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
4137
4138         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
4139         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
4140         (alpha_set_memflags): Update to match.
4141
4142         * config/darwin.c (machopic_indirect_data_reference): Set
4143         MEM_READONLY_P instead of RTX_UNCHANGING_P.
4144         (machopic_indirect_call_target): Likewise.
4145         (machopic_legitimize_pic_address): Likewise.
4146         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
4147         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
4148         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
4149         * config/frv/frv.md (symGOT2reg): Likewise.
4150         * config/i386/i386.c (legitimize_pic_address,
4151         legitimize_tls_address, ix86_split_to_parts): Likewise.
4152         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
4153         * config/ia64/ia64.md (load_fptr): Likewise.
4154         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
4155         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
4156         * config/mcore/mcore.c (block_move_sequence): Likewise.
4157         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
4158         * config/pa/pa.c (legitimize_pic_address): Likewise.
4159         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
4160         (rs6000_emit_move): Likewise.
4161         * config/s390/s390.c (legitimize_pic_address): Likewise.
4162         (legitimize_tls_address): Likewise.
4163         * config/s390/s390.md (casesi): Likewise.
4164         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
4165         * config/sh/sh.md (symGOT2reg): Likewise.
4166         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
4167         * config/v850/v850.md (casesi): Likewise.
4168
4169         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
4170         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
4171         * config/mips/mips.c (mips_restore_gp): Likewise.
4172         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
4173         * config/sh/sh.c (sh_reorg): Likewise.
4174
4175 2004-08-18  Richard Henderson  <rth@redhat.com>
4176
4177         * tree.h (struct tree_decl): Add gimple_formal_temp.
4178         (DECL_GIMPLE_FORMAL_TEMP_P): New.
4179         * gimplify.c (pop_gimplify_context): Clear it.
4180         (lookup_tmp_var): Set it, if is_formal.
4181         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
4182         Use is_gimple_val for VECTOR.  Simplify return value.
4183         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
4184         (gimplify_expr): Likewise.
4185         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
4186         is_gimple_tmp_rhs for clarity.  Update all callers.
4187         (is_gimple_reg_rhs): Simplify logic.
4188         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
4189         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
4190         (is_gimple_formal_tmp_reg): Similarly.
4191         * tree-gimple.h: Update decls.
4192         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
4193         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
4194         * tree-ssa-live.c (var_union, type_var_init): Likewise.
4195
4196 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
4197
4198         * c4x.c (legitimize_operands): Remove calls to
4199         preserve_subexpressions_p.
4200
4201 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
4202
4203         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
4204         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
4205
4206 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
4207
4208         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
4209         Objective-C++ extensions.
4210         * gengtype.c (get_file_basename): Match entire subdirectory name
4211         ('cp', 'objc', 'objcp') rather than just its suffix.
4212         (get_base_file_bitmap): Allow for files to belong to more than one
4213         language.
4214         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
4215         used by more than one front-end.
4216
4217 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
4218
4219         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
4220         avoid use of preserve_subexpressions_p.
4221
4222 2004-08-17  Richard Henderson  <rth@redhat.com>
4223
4224         PR 17051
4225         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
4226
4227 2004-08-17  DJ Delorie  <dj@redhat.com>
4228
4229         * doc/extend.texi: Document new xstormy16 attribute.
4230
4231         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
4232         (xstormy16_splittable_below100_or_register): New.
4233         (combine_bnp): New.
4234         (xstormy16_reorg): New.
4235         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4236
4237         * config/stormy16/stormy16.md (movqi_internal): Make name public.
4238         (movhi_internal): Likewise.
4239         (cbhranchhi): Likewise.
4240         (cbhranchhi_neg): Likewise.
4241         (andhi3): Only allow splittable below100 operands.
4242         (iorhi3): Likewise.
4243         (peephole2): New and/zero_extend->and peephole.
4244         (peephole2): New load/ior/save->set1 peephole.
4245         (peephole2): New load/and/save->clr1 peephole.
4246         (bclrx, bclrx2, bclr7, bclr15): New.
4247         (bsetx, bsetx2, bset7, bset15): New.
4248
4249         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
4250         liberal about acceptable 'B' masks.
4251
4252         * config/stormy16/stormy16-protos.h
4253         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
4254         xstormy16_below100_operand, xstormy16_below100_or_register,
4255         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
4256         (PREDICATE_CODES): Add new predicates.
4257
4258         * config/stormy16/stormy16.c
4259         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
4260         xstormy16_below100_operand, xstormy16_below100_or_register,
4261         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
4262         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
4263         (xstormy16_legitimate_address_p): Allow below100 symbols.
4264         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
4265         (xstormy16_expand_move): Leave below100 operands as-is.
4266         (xstormy16_encode_section_info): Encode below100 symbols.
4267         (xstormy16_strip_name_encoding): New.
4268         (xstormy16_print_operand): Print 'b' as shift mask.
4269         (xstormy16_attribute_table): Add below100 attributes.
4270         (xstormy16_handle_below100_attribute): New.
4271
4272         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
4273         (XSTORMY16_SECTION_FUNCTION): New.
4274         (EXTRA_SECTION_FUNCTIONS): Define using the above.
4275         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
4276         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
4277         (ASM_OUTPUT_LABELREF): Define.
4278
4279         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
4280         (movhi_internal): Add below100 support.
4281         (andhi3): Add below100 support.
4282         (iorhi3): Add below100 support.
4283         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
4284
4285 2004-08-17  James E Wilson  <wilson@specifixinc.com>
4286
4287         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
4288         of VOIDmode for comparison code mode.
4289         * config/mips/mips.md: For conditional move patterns, use mode of
4290         first compare operand for comparison mode, instead of VOIDmode.
4291
4292         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
4293         normal and -ffast-math code.
4294
4295 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
4296
4297         PR c++/15871
4298         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
4299
4300 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
4301
4302         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
4303
4304 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
4305
4306         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
4307         for non Darwin targets.
4308         (*call_value_nonlocal_darwin64): Likewise.
4309
4310 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
4311
4312         * config/rs6000/rs6000.c (rs6000_function_value): Check for
4313         altivec mode for altivec return register.
4314
4315 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
4316
4317         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
4318         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4319         * config/rs6000/rs6000.md: Include darwin.md.
4320         (builtin_setjmp_receiver): Add DImode case.
4321         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
4322         Darwin bits.
4323
4324 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
4325
4326         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
4327         trees.
4328         * tree-vectorizer.h: New File: Same.
4329         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
4330         * common.opt (ftree-vectorize): New flag to enable vectorization.
4331         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
4332         vectorization pass.
4333         * tree-data-ref.h (init_data_ref): Additional argument.
4334         (array_base_name_differ_p): Moved to tree-data-ref.c.
4335         * tree-data-ref.c (array_base_name_differ_p): Revised.
4336         (initialize_data_dependence_relation): Call array_base_name_differ_p
4337         with an extra argument.
4338         (analyze_all_data_dependences): Same.
4339         (init_data_ref): Additional argument is_read to set DR_IS_READ.
4340         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
4341         file.
4342         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
4343         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
4344         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
4345         vectorization pass.
4346         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
4347         (tree_ssa_loop_done): Call scev_finalize.
4348         (tree_vectorize): Define the new vectorization pass.
4349         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
4350         size of the vector they support (until support for multiple vector
4351         sizes is added to the vectorizer).
4352         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
4353         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
4354         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
4355         documentation.
4356
4357 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
4358
4359         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
4360         usage.
4361         (generate_protocol_list, handle_impent): Likewise.
4362
4363 2004-08-17  Roger Sayle  <roger@eyesopen.com>
4364
4365         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
4366         ensure that call_used_regs is a superset of both fixed_regs and
4367         call_really_used_regs.
4368
4369 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
4370
4371         PR target/17019
4372         * arm.md (addsi3_cbranch_scratch): Correct case labels.
4373
4374 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4375
4376         PR middle-end/17036
4377         * fold-const.c (fold): Check for integer operand when
4378         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
4379         Pinski  <pinskia@physics.uc.edu>.
4380
4381 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4382
4383         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
4384         No need to check if in a cross configuration.
4385         * configure: Regenerate.
4386
4387         * calls.c (precompute_register_parameters):
4388         Inline preserve_subexpressions_p ().
4389         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
4390         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
4391         Likewise.
4392         * expr.c (get_subtarget): Likewise.
4393         * rtl.h (preserve_subexpressions_p): Remove.
4394         * stmt.c (preserve_subexpressions_p): Remove.
4395
4396         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
4397         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
4398         Abort on gimplified cases.
4399
4400 2004-08-16  James E Wilson  <wilson@specifixinc.com>
4401
4402         * tree.h (VECTOR_FLOAT_TYPE_P): New.
4403         (FLOAT_TYPE_P): Use it.
4404         * c-typeck.c (build_binary_op): After convert calls, check for
4405         check for ERROR_MARK operands.
4406
4407 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
4408
4409         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
4410         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
4411         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
4412         (genobjs static pattern rule): Remove %.c dependency.
4413         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
4414         Rename rules; delete commands; fix dependencies.
4415         (mostlyclean): Do not delete temporary source copies.
4416         * configure.ac: Delete all references to BUILD_PREFIX and
4417         BUILD_PREFIX_1.
4418         * configure: Regenerate.
4419
4420         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
4421         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
4422         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
4423         with #ifndef GENERATOR_FILE so that nothing from those headers
4424         is used.
4425
4426         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
4427
4428 2004-08-16  Adam Nemet  <anemet@lnxw.com>
4429
4430         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
4431
4432 2004-08-16  Andrew Pinski  <apinski@apple.com>
4433
4434         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
4435         extraneous semicolon.
4436
4437 2004-08-16  Devang Patel  <dpatel@apple.com>
4438
4439         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
4440         * print-tree.c (print_node): Print DECL_PRESERVE_P.
4441         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
4442         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
4443         * target.h (struct gcc_target): New member, mark_decl_preserved.
4444         * hooks.c (hook_void_charptr): Rename to ...
4445         (hook_void_constcharptr): ... new name.
4446         * hooks.h (hook_void_charptr): Rename to ..
4447         (hook_void_constcharptr): ... new name.
4448         * tree.h (DECL_PRESERVE_P): New #define.
4449         (struct tree_decl): New member, preserve_flag.
4450         * varasm.c (assemble_start_function): Mark decl preserved.
4451         (assemble_variable): Same.
4452         * darwin.c (darwin_mark_decl_preserved): New function.
4453         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
4454         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
4455         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
4456
4457 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
4458
4459         * c-decl.c (grokdeclarator): Allow for function definition where
4460         innermost declarator has attributes.
4461
4462 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
4463
4464         * except.c (get_exception_filter, build_post_landing_pads,
4465         dw2_build_landing_pads): Use target-specific mode for 'filter'.
4466         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
4467         * target.h (eh_return_filter_mode): New field added.
4468         * targhooks.c (default_eh_return_filter_mode): Defined.
4469         * targhooks.h (default_eh_return_filter_mode): Declared.
4470         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
4471
4472 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4473
4474         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
4475         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
4476         * configure: Regenerate.
4477
4478 2004-08-16  Stan Shebs  <shebs@apple.com>
4479
4480         Basic support for 64-bit Darwin.
4481         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4482         (machopic_legitimize_pic_address): Similarly, plus use Pmode
4483         instead of SImode.
4484         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
4485         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
4486         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
4487         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
4488         (PROCESSOR_DEFAULT64): Define.
4489         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
4490         Darwin.
4491         * config/rs6000/rs6000.md: Include darwin.md.
4492         (builtin_setjmp_receiver): Add DImode case.
4493         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
4494         Darwin.
4495         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
4496         (rs6000_emit_move): Add DImode case to Darwin bits.
4497         (machopic_output_stub): Use .quad if 64-bit.
4498         * invoke.texi: Document -m32 and -m64.
4499
4500 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
4501
4502         * doc/extend.texi (AltiVec builtins): Document additional differences
4503         from the Motorola AltiVec PIM.
4504
4505 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4506
4507         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
4508         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
4509         (struct tree_common): Update public_flag documentation.
4510
4511 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4512
4513         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
4514         Check for artificial variables, not is_gimple_tmp_var.
4515         * tree-ssa-live.c (var_union): Likewise.
4516
4517 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4518
4519         * calls.c (load_register_parameters): Remove spurious FIXME token.
4520
4521 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
4522
4523         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
4524         (c-lang.o): Depend on c-objc-common.h.
4525         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
4526         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
4527         * c-lang.c: Include c-objc-common.h.
4528         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
4529         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
4530         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
4531         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
4532         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
4533         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
4534         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
4535         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
4536         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
4537         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
4538         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
4539         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
4540         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
4541         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
4542         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
4543         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
4544         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
4545         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
4546         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
4547         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
4548         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
4549         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
4550         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
4551         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
4552         Move to c-objc-common.h.
4553         * c-objc-common.c: Include c-objc-common.h.
4554         * c-objc-common.h: New file.
4555
4556 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
4557             Andrew Pinski  <pinskia@physics.uc.edu>
4558
4559         PR target/14931
4560         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
4561         style.
4562
4563 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
4564
4565         * tree.h (build_int_cst): New.
4566         (build_int_2): Remove.
4567         * tree.c (build_int_2): Remove.
4568         (build_int_cst): New.
4569         (make_vector_type, build_common_tree_nodes,
4570         build_common_tree_nodes_2): Use build_int_cst.
4571         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
4572         expand_builtin_strpbrk, expand_builtin_fputs,
4573         build_string_literal, expand_builtin_printf,
4574         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
4575         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
4576         fold_builtin_isdigit, simplify_builtin_strstr,
4577         simplify_builtin_strpbrk, fold_builtin_fputs,
4578         simplify_builtin_sprintf): Use build_int_cst.
4579         * c-common.c (start_fname_decls, fix_string_type,
4580         c_common_nodes_and_builtins, c_init_attributes,
4581         shorten_compare): Likewise.
4582         * c-decl.c (complete_array_type,
4583         check_bitfield_type_and_width): Likewise.
4584         * c-lex.c (interpret_integer, lex_charconst): Likewise.
4585         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
4586         * c-pretty-print.c (pp_c_integer_constant): Likewise.
4587         * c-typeck.c (really_start_incremental_init, push_init_level,
4588         set_nonincremental_init_from_string): Likewise.
4589         * calls.c (load_register_parameters): Likewise.
4590         * convert.c (convert_to_pointer): Likewise.
4591         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
4592         build_fn_info_type, build_ctr_info_value, build_gcov_info):
4593         Likewise.
4594         * except.c (init_eh, assign_filter_values, assign_filter_values):
4595         Likewise.
4596         * expmed.c (store_fixed_bit_field, extract_bit_field,
4597         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
4598         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
4599         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
4600         * expr.c (convert_move, emit_group_load, emit_group_store,
4601         expand_assignment, store_constructor, store_field,
4602         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
4603         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
4604         invert_truthvalue, optimize_bit_field_compare,
4605         decode_field_reference, all_ones_mask_p, constant_boolean_node,
4606         fold_div_compare, fold, fold_read_from_constant_string,
4607         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
4608         * function.c (assign_parm_setup_block): Likewise.
4609         * stmt.c (shift_return_value, expand_end_case_type,
4610         estimate_case_costs): Likewise.
4611         * stor-layout.c (layout_type, initialize_sizetypes,
4612         set_min_and_max_values_for_integral_type): Likewise.
4613         * tree-chrec.c (chrec_fold_multiply_poly_poly,
4614         reset_evolution_in_loop): Likewise.
4615         * tree-chrec.h (build_polynomial_chrec): Likewise.
4616         * tree-complex.c (build_replicated_const): Likewise.
4617         * tree-eh.c (honor_protect_cleanup_actions,
4618         lower_try_finally_onedest, lower_try_finally_copy,
4619         lower_try_finally_switch): Likewise.
4620         * tree-mudflap.c (mf_build_string, mx_register_decls,
4621         mudflap_register_call, mudflap_enqueue_constant): Likewise.
4622         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
4623         * tree-pretty-print.c (dump_generic_node): Likewise.
4624         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
4625         Likewise.
4626         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
4627         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4628         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
4629         Likewise.
4630
4631         * config/alpha/alpha.c (alpha_initialize_trampoline,
4632         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
4633         * config/arm/arm.c (arm_get_cookie_size): Likewise.
4634         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4635         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
4636         * config/i860/i860.c (i860_va_start): Likewise.
4637         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
4638         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
4639         mips_gimplify_va_arg_expr): Likewise.
4640         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4641         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
4642         add_compiler_branch_island): Likewise.
4643         * config/s390/s390.c (s390_va_start): Likewise.
4644         * config/sh/sh.c (sh_va_start): Likewise.
4645         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
4646         Likewise.
4647         * config/xtensa/xtensa.c (xtensa_va_start,
4648         xtensa_gimplify_va_arg_expr): Likewise.
4649
4650         * objc/objc-act.c (build_objc_string_object,
4651         build_objc_symtab_template, init_def_list, init_objc_symtab,
4652         init_module_descriptor, generate_static_references,
4653         build_selector_translation_table, get_proto_encoding,
4654         build_typed_selector_reference, build_selector_reference,
4655         build_next_objc_exception_stuff,
4656         build_method_prototype_list_template, generate_descriptor_table,
4657         generate_protocols, build_protocol_initializer,
4658         build_ivar_list_template, build_method_list_template,
4659         build_ivar_list_initializer, generate_ivars_list,
4660         generate_dispatch_table, generate_protocol_list,
4661         build_category_initializer, build_shared_structure_initializer,
4662         generate_shared_structures, handle_impent,
4663         generate_objc_image_info): Use build_int_cst.
4664
4665 2004-08-15  Ben Elliston  <bje@au.ibm.com>
4666
4667         * vec.h: Comment improvements.
4668
4669 2004-08-14  Roger Sayle  <roger@eyesopen.com>
4670
4671         * c-common.c (shorten_compare, pointer_int_sum,
4672         c_common_truthvalue_conversion, boolean_increment): Replace calls
4673         to build with calls to buildN.
4674         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
4675         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
4676         gimplify_switch_stmt): Likewise.
4677         * c-typeck.c (default_function_array_conversion,
4678         build_component_ref, build_array_ref, build_function_call,
4679         pointer_diff, build_unary_op, build_conditional_expr,
4680         build_compound_expr, build_modify_expr, c_finish_goto_label,
4681         c_finish_goto_ptr, c_finish_return, c_finish_loop,
4682         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
4683         build_binary_op): Likewise.
4684
4685 2004-08-15  Steven Bosscher  <stevenb@suse.de>
4686
4687         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
4688
4689 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4690
4691         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
4692         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
4693         * fixinc/fixincl.x: Rebuilt.
4694
4695 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
4696
4697         * config/mips/mips-protos.h (mips_symbolic_constant_p)
4698         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
4699         (mips_small_data_pattern_p): Declare.
4700         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
4701         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
4702         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
4703         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
4704         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
4705         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
4706         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
4707         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
4708         (pc_or_label_operand, call_insn_operand, move_operand)
4709         (consttable_operand, symbolic_operand, general_symbolic_operand)
4710         (global_got_operand, local_got_operand, stack_operand)
4711         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
4712         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
4713         (mips_small_data_pattern_p): Replace previous small_data_pattern
4714         predicate.  Turn into a bool () (rtx) function.
4715         * config/mips/predicates.md: New file.
4716         * config/mips/mips.md: Include it.  Use the target-independent
4717         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
4718         trap_comparison_operator and equality_op to equality_operator.
4719         Replace uses of small_int with the equivalent const_arith_operand.
4720         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
4721         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
4722         to fcc_reload_operand.
4723         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
4724
4725 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4726
4727         PR libstdc++/17005 partial fix.
4728         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
4729         except when generating ANSI/C89 code.
4730
4731 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
4732
4733         * c-common.c (shorten_compare): Use force_fit_type directly.
4734
4735 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
4736             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
4737             Dave Korn  <dk@artimi.com>
4738
4739         * doc/install.texi (Building): Avoid duplicate reference to GNU
4740         make requirement.
4741         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
4742
4743 2004-08-14  Richard Henderson  <rth@redhat.com>
4744
4745         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
4746         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
4747
4748 2004-08-13  Richard Henderson  <rth@redhat.com>
4749
4750         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
4751         for constant_call_address_operand.
4752         (call_value_pop_1, call_value_1): Likewise.
4753         (sibcall_value_1, call_value_1_rex64): Likewise.
4754
4755 2004-08-13  James E Wilson  <wilson@specifixinc.com>
4756
4757         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
4758         Correct mode from SFmode to DFmode.
4759
4760 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
4761
4762         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
4763         __cstring_object and __image_info sections with the no_dead_strip
4764         attribute.
4765
4766 2004-08-13  Roger Sayle  <roger@eyesopen.com>
4767             David Billinghurst  <David.Billinghurst@riotinto.com>
4768
4769         PR libgfortran/15930
4770         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
4771         * fixinc/fixincl.x: Regenerate.
4772         * fixinc/tests/base/internal/math_core.h: New file.
4773
4774 2004-08-13  Richard Henderson  <rth@redhat.com>
4775
4776         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
4777         (dbxout_function_end): Remove ifdefs for it.
4778         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
4779
4780 2004-08-13  Richard Henderson  <rth@redhat.com>
4781
4782         * Makefile.in (insn-preds.o): Depend on TREE_H.
4783         * genpreds.c (write_insn_preds_c): Include tree.h.
4784         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
4785         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
4786         const48_operand, and_operand, or_operand, mode_width_operand,
4787         mode_mask_operand, mul8_operand, const0_operand,
4788         hard_fp_register_operand, hard_int_register_operand,
4789         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
4790         samegp_function_operand, direct_call_operand, small_symbolic_operand,
4791         global_symbolic_operand, call_operand, symbolic_operand,
4792         dtp16_symbolic_operand, dtp32_symbolic_operand,
4793         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
4794         gottp_symbolic_operand, alpha_comparison_operator,
4795         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
4796         signed_comparison_operator, alpha_fp_comparison_operator,
4797         divmod_operator, fix_operator, aligned_memory_operand,
4798         unaligned_memory_operand, reg_or_unaligned_mem_operand,
4799         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
4800         reg_no_subreg_operand, addition_operation): Move to predicates.md.
4801         (reg_or_const_int_operand): Remove.  Replace all users with
4802         reg_or_cint_operand.
4803         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
4804         (resolve_reload_operand): Split out of aligned_memory_operand.
4805         * config/alpha/alpha-protos.h: Update for exports.
4806         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
4807         * config/alpha/alpha.md: Include predicates.md.
4808         * config/alpha/predicates.md: New file.
4809
4810 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
4811
4812         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
4813         fields with a pointer to the instruction definition.
4814         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
4815         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
4816         (write_attr_case, write_const_num_delay_slots): Update accordingly.
4817         (write_attr_case, write_const_num_delay_slots): Write the name of
4818         an insn next to its case statement.
4819         * genoutput.c (data): Add a filename field.
4820         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
4821         (output_insn_data): Print the location of each insn definition.
4822         * genrecog.c (write_action): Print the name of an insn above
4823         the statement that returns its code.
4824
4825 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
4826
4827         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
4828         * config/libgloss.h: Likewise.
4829         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
4830         * c4x/c4x-modes.def: Likewise.
4831         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
4832         (c4x_rptb_nop_p): Likewise.
4833         (c4x_rptb_valid_p): Likewise.
4834         (c4x_rptb_insert): Likewise.
4835         (c4x_address_conflict): Likewise.
4836         * config/c4x/c4x.md: Likewise.
4837         * config/frv/frv.md: Likewise.
4838         * config/i386/athlon.md: Likewise.
4839         * config/i386/i386.md: Likewise.
4840         * config/i386/predicates.md: Likewise.
4841         * config/ia64/ia64.c: Likewise.
4842         * config/ia64/itanium1.md: Likewise.
4843         * config/ia64/itanium2.md: Likewise.
4844         * config/iq2000/iq2000.md: Likewise.
4845         * config/mcore/mcore.c: Likewise.
4846         * config/mips/mips.c: Likewise.
4847         * config/mips/r3900.h: Likewise.
4848         * config/mips/sb1.md: Likewise.
4849         * config/pa/milli64.S: Likewise.
4850         * config/pa/pa.c: Likewise.
4851         * config/pa/pa.h: Likewise.
4852         * config/rs6000/8540.md: Likewise.
4853
4854 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
4855
4856         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
4857
4858 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
4859
4860         * sh.md (cbranch define_delay) Use cond_delay_slot for
4861         non-anulled condition too.
4862
4863 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4864
4865         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
4866         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
4867         any_parallel_operand, lmw_operation, stmw_operation,
4868         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
4869         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
4870         any_parallel_operand.
4871         (return_and_restore_fpregs_{si,di}): Same.
4872
4873 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4874
4875         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
4876         if pred->singleton != PARALLEL, issue a warning and pretend it was.
4877         Also issue a warning for any predicate we don't know about.
4878
4879 2004-08-12  Richard Henderson  <rth@redhat.com>
4880
4881         * config/i386/i386.c (internal_label_prefix): Export.
4882         (internal_label_prefix_len, struct ix86_address,
4883         ix86_decompose_address, maybe_get_pool_constant,
4884         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
4885         memory_address_length): Export.
4886         (any_fp_register_operand, fp_register_operand,
4887         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
4888         x86_64_general_operand, x86_64_szext_general_operand,
4889         x86_64_nonmemory_operand, x86_64_movabs_operand,
4890         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
4891         x86_64_zext_immediate_operand, const_int_1_31_operand,
4892         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
4893         tls_symbolic_operand, global_dynamic_symbolic_operand,
4894         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
4895         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
4896         constant_call_address_operand, const0_operand, const1_operand,
4897         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
4898         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
4899         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
4900         general_no_elim_operand, nonmemory_no_elim_operand,
4901         index_register_operand, q_regs_operand, flags_reg_operand,
4902         non_q_regs_operand, zero_extended_scalar_load_operand,
4903         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
4904         ix86_comparison_operator, ix86_carry_flag_operator,
4905         fcmov_comparison_operator, promotable_binary_operator,
4906         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
4907         mult_operator, div_operator, arith_or_logical_operator,
4908         memory_displacement_operand, cmpsi_operand, long_memory_operand,
4909         aligned_operand): Move to predicates.md as define_predicates.
4910         (tls_symbolic_operand_1): Remove.
4911         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
4912         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
4913         (legitimize_address): Merge tls_symbolic_operand contents.
4914         (ix86_expand_move): Likewise.
4915         * config/i386/i386-protos.h: Update for exports.
4916         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
4917         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
4918         * config/i386/i386.md: Include predicates.md.
4919         * config/i386/predicates.md: New file.
4920
4921 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
4922
4923         PR c++/16924
4924         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
4925         SYMBOL_REF_DECL.
4926         (i386_pe_mark_dllimport): Likewise.
4927         (i386_pe_encode_section_info): Likewise, when overriding
4928         dllimport attribute.
4929
4930 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
4931
4932         * configure.ac: When testing for flex, nm, ar, and bison, check
4933         that they will actually be built.
4934         * configure: Regenerate.
4935
4936 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
4937
4938         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
4939         (MOVE_MAX_PIECES): Define.
4940
4941 2004-08-12  Devang patel  <dpatel@apple.com>
4942
4943         * dbxout.c (dbxout_begin_prologue): New function.
4944         (dbx_debug_hooks): Use new begin prologue hook.
4945         (dbxout_function_end): Emit N_ENSYM.
4946         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
4947
4948 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
4949
4950         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
4951         argument is float*.
4952
4953         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
4954         for vec_dss.
4955
4956         * doc/extend.texi (AltiVec builtins): Fix description for recent
4957         changes.  Update operation list to match current support.
4958
4959 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4960
4961         * config/s390/s390.c (struct s390_frame_layout): New struct as element
4962         of struct machine_function.
4963         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
4964         changed all uses.
4965         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
4966         changed all uses.
4967         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
4968         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
4969         (s390_frame_area, s390_register_info): New functions.
4970         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
4971         for base register.
4972         (s390_return_addr_rtx, s390_return_address_offset)
4973         (s390_va_start, s390_gimplify_va_arg)
4974         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
4975         layouts.
4976         (s390_frame_info): Functionality partly moved to s390_register_info.
4977         Made adaptions for new stack layout.
4978         (save_gprs, restore_gprs): Changed meaning of second parameter and
4979         adapted all callers.
4980
4981         * config/s390/s390.h (s390_backchain_string): New global variable.
4982         (MASK_BACKCHAIN): Removed definition.
4983         (TARGET_BACKCHAIN): Changed check.
4984         (TARGET_KERNEL_BACKCHAIN): New macro.
4985         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
4986         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
4987         "kernel-backchain".
4988         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
4989
4990         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
4991         as condition.  Adjusted for new stack layout.
4992
4993         * doc/invoke.texi: Added documentation for new option
4994         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
4995         "-mno-backchain".
4996
4997 2004-08-12  Paul Brook  <paul@codesourcery.com>
4998
4999         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
5000         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
5001
5002 2004-08-12  David Daney  <ddaney@avtrex.com>
5003
5004         * java/gcj.texi:  Add subsection on signal usage.
5005
5006 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
5007
5008         * expr.c (move_by_pieces): Set alignment for move to minimum of
5009         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
5010         alignment, but not less than the original alignment.
5011         (move_by_pieces_ninsns): Same.
5012         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
5013         (store_by_pieces_1): Same.
5014
5015 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
5016
5017         PR tree-optimization/16867
5018         * tree.c (is_global_var): New function.
5019         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
5020         Call is_global_var.
5021         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
5022         Update all users.
5023         (is_global_var): Declare.
5024         * tree-dfa.c (dump_variable): Display global and addressable
5025         attributes.
5026         (add_referenced_var): Clarify documentation when marking
5027         variables call-clobbered.
5028         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
5029         instead of needs_to_live_in_memory.
5030         (mark_call_clobbered): If the variable is a tag, mark it
5031         DECL_EXTERNAL.
5032         * tree-gimple.c (is_gimple_reg): Don't check for
5033         TREE_ADDRESSABLE.
5034         (is_gimple_non_addressable): Likewise.
5035         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
5036         needs to be marked call-clobbered.
5037         (setup_pointers_and_addressables): Call is_global_var instead
5038         of needs_to_live_in_memory.
5039         * tree-ssa-dce.c (need_to_preserve_store): Remove.
5040         Update all users with is_global_var.
5041         (mark_stmt_if_obviously_necessary): Fix processing of aliased
5042         stores.  Don't check the virtual definitions.  Rather, check
5043         whether the store is going into global memory.
5044         (find_obviously_necessary_stmts): Get the symbol from the PHI
5045         result.
5046         * tree-ssa-operands.c (get_call_expr_operands): Do not add
5047         clobbering may-defs if the call does not have side effects.
5048
5049 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
5050
5051         PR c++/16276
5052         * output.h (default_function_rodata_section,
5053         default_no_function_rodata_section): New prototypes.
5054         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
5055         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
5056         (TARGET_ASM_OUT): Add it.
5057         * varasm.c (default_function_rodata_section,
5058         default_no_function_rodata_section): New functions.
5059         * final.c (final_scan_insn): Call
5060         targetm.asm_out.function_rodata_section instead of
5061         readonly_data_section.
5062         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
5063         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5064         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5065         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
5066         Likewise.
5067         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5068         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
5069         Likewise.
5070         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
5071         Likewise.
5072         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5073         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5074         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
5075
5076 2004-08-12  Paul Brook  <paul@codesourcery.com>
5077
5078         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
5079         frame info.
5080         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
5081         DWARF2_UNWIND_INFO.
5082
5083 2004-08-12  Ben Elliston  <bje@au.ibm.com>
5084
5085         PR target/16286
5086         * config/rs6000/altivec.h: Change vector to __vector throughout.
5087         (Except for the `vector' macro itself).
5088
5089 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
5090
5091         * genpreds.c: Add capability to generate predicate bodies as
5092         well as function prototypes.  Write function prototypes for
5093         the generic predicates too.
5094         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
5095         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
5096         (write_match_code, write_predicate_expr, write_one_predicate_function)
5097         (parse_option): New functions.
5098         (output_predicate_decls): Delete.
5099         (main): Read the machine description, process DEFINE_PREDICATE or
5100         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
5101         as appropriate.
5102
5103         * genrecog.c (struct decision_test): Replace index with
5104         struct pred_data pointer.
5105         (next_index): Remove, unused.
5106         (pred_table, preds, special_mode_pred_table): Delete.
5107         (compute_predicate_codes, process_define_predicate): New functions.
5108         (validate_pattern, add_to_sequence, write_switch): Update for
5109         new data structures.
5110         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
5111         Check both error_count and have_error.
5112
5113         * gensupport.c (in_fname, first_predicate): New globals.
5114         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
5115         (predicate_table, last_predicate, old_pred_table)
5116         (old_special_pred_table): New statics.
5117         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
5118         (add_predicate, init_predicate_table): New functions.
5119         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
5120         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
5121         it or max_include_len.  Call init_predicate_table.
5122         (read_rtx): Run the predicate queue after the attribute queue
5123         but before all the others.
5124         * gensupport.h (in_fname, struct pred_data, first_predicate)
5125         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
5126         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
5127         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
5128         * dummy-conditions.c: Don't include bconfig.h, system.h,
5129         coretypes.h, tm.h, or system.h.  Do include stddef.h.
5130         Duplicate declaration of struct c_test from gensupport.h.
5131
5132         * Makefile.in (OBJS-common): Add insn-preds.o.
5133         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
5134         (insn-preds.c, insn-preds.o): New rules.
5135         (s-preds): Also generate insn-preds.c.
5136         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
5137         Update dependencies.
5138         (print-rtl.o, print-rtl1.o): Correct dependencies.
5139
5140         * recog.h: Delete prototypes of predicate functions.
5141
5142         * doc/md.texi (Predicates): New section with complete
5143         documentation of operand/operator predicates.  Remove some
5144         incomplete documentation of predicates from other places.
5145         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
5146         PREDICATE_CODES; indicate that both are deprecated in favor
5147         of define_predicate/define_special_predicate.
5148
5149         * config/ia64/ia64.c: All predicate function definitions moved
5150         to ia64.md, except
5151         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
5152         (ia64_expand_load_address, ia64_expand_move):
5153         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
5154
5155         * config/ia64/ia64.md: All predicates now defined here.
5156         (symbolic_operand): Is now a special predicate.
5157
5158         * config/ia64/ia64.h: Declare ia64_section_threshold.
5159         (PREDICATE_CODES): Delete.
5160
5161 2004-08-12  Richard Henderson  <rth@redhat.com>
5162
5163         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
5164         * c-semantics.c (add_stmt): Set it.
5165         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
5166         before instantiating a variable sized type.
5167
5168 2004-08-12  Richard Henderson  <rth@redhat.com>
5169
5170         * stor-layout.c (round_up, round_down): Move ...
5171         * fold-const.c (round_up, round_down): ... here.  Use
5172         multiple_of_p to avoid any arithmetic at all.
5173
5174 2004-08-12  Richard Henderson  <rth@redhat.com>
5175
5176         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
5177         (gimplify_init_ctor_preeval_1): New.
5178         (gimplify_init_ctor_preeval): New.
5179         (gimplify_init_ctor_eval): New.
5180         (gimplify_init_constructor): Use them.  Always gimplify the LHS
5181         object first.
5182
5183 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
5184
5185         (This patch is part of merge of objc-improvements-branch
5186         into mainline.)
5187
5188         * doc/frontends.texi: Mention Objective-C++ in addition to
5189         Objective-C.
5190         * doc/install.texi: Add 'obj-c++' to list of configurable
5191         languages.
5192         * doc/invoke.texi: Rename Objective-C option headings to
5193         indicate they also apply to Objective-C++.  List file
5194         extensions for Objective-C++ sources.  Mention that
5195         ObjC and ObjC++ compilations may also use C and C++ options,
5196         respectively.  Point users to doc/standards.texi for
5197         further info on ObjC and ObjC++.
5198         * doc/sourcebuild.texi: Mention the objcp/ directory and
5199         the Objective-C++ sources it contains.
5200         * doc/standards.texi: Update link to Apple ObjC site;
5201         add link to gcc readings.html WWW doc.
5202
5203 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
5204
5205         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
5206         and 2004-07-14 changes.
5207
5208 2004-08-12  Paul Brook  <paul@codesourcery.com>
5209
5210         * doc/invoke.texi: Fix typo.
5211
5212 2004-08-11 Devang Patel  <dpatel@apple.com>
5213
5214         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
5215         and -no_dead_strip_inits_and_terms.
5216         (LINK_SPEC): Same.
5217         * doc/invoke.texi (Darwin Options): Document -dead_strip and
5218         -no_dead_strip_inits_and_terms.
5219
5220 2004-08-11  Paul Brook  <paul@codesourcery.com>
5221
5222         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
5223         (arm_load_pic_register): ... to this.
5224         * config/arm/arm.c (arm_finalize_pic): Rename ...
5225         (arm_load_pic_register): ... to this.  Always output insns at the
5226         current location.  Load via low reg in thumb mode.
5227         (arm_expand_prologue): Call arm_load_pic_register.
5228         (thumb_expand_prologue): Ditto.
5229         * config/arm/arm.h (FINALIZE_PIC): Remove.
5230         * config/arm/arm.md (builtin_setjmp_receiver): Call
5231         arm_load_pic_register.
5232
5233 2004-08-11  Paul Brook  <paul@codesourcery.com>
5234
5235         * arm.c (thumb_force_lr_save): Add prototype.
5236         (thumb_compute_save_reg_mask): New function.
5237         (thumb_find_work_register): New function.
5238         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
5239         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
5240         Don't clobber r3 when removing pretend args.
5241         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
5242         (thumb_output_function_prologue): Use new functions.
5243         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
5244         * arm.h (THUMB_REG_PUSHED_P): Remove.
5245
5246 2004-08-11  James E Wilson  <wilson@specifixinc.com>
5247
5248         PR rtl-optimization/16490
5249         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
5250         global_live_at_end for new basic block if already set for other blocks.
5251
5252 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
5253
5254         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
5255
5256         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
5257         (mfcr rlwinm rlwinm patterns): Set length to 12.
5258
5259 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
5260
5261         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
5262         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
5263         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
5264         (start_ssa_stmt_operands): Delete.
5265         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
5266         struct stmt_operands_d.
5267         (build_ssa_operands): New extern entry point.
5268         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
5269         building code, replace with create_ssa_artficial_load_stmt().
5270         * tree-ssa-operands.c (struct voperands_d): Delete.
5271         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
5272         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
5273         (free_uses, free_defs, free_vuses, free_v_may_defs,
5274         free_v_must_defs): Remove dealloc parameter.
5275         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
5276         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
5277         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
5278         vector comparisons, ssa_name reuse, and allocations here.
5279         (verify_start_operands): Delete.
5280         (finalize_ssa_stmt_operands): Set new operands by calling finalize
5281         routines.
5282         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
5283         (append_def, append_usei): Simplify to simple accumulation.
5284         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
5285         duplicates and simple accumulation.
5286         (free_ssa_operands): Free vectors in a stmt_operand structure.
5287         (build_ssa_operands): New. Create a new stmt_operand structure from
5288         a stmt and an old set of stmt_operands.
5289         (get_stmt_operands): Simplify and call build_ssa_operands.
5290         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
5291         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
5292         add_call_read_ops): Don't pass prev_vops around anymore.
5293         (note_addressable): Return if no stmt annotation.
5294         (copy_virtual_operands): Access v_may_def operands through a struct.
5295         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
5296         hash tables without treating the stmt as a real stmt.
5297         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
5298         v_may_def def and use through a struct instead of 2 array elements.
5299         (struct v_may_def_optype_d): Use v_may_def_operand_type.
5300         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
5301
5302 2004-08-11  Nick Clifton  <nickc@redhat.com>
5303
5304         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
5305         this funciton's behaviour.  Return true when the current function
5306         has a section attribute and -mlong-calls is in effect.
5307         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
5308         short-call marker when -mlong-calls is in effect and the function
5309         has a section attribute.
5310
5311 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
5312
5313         * stmt.c (expand_return): If asked to return the RESULT_DECL,
5314         just call expand_value_return on result_rtl.
5315
5316 2004-08-10  Richard Henderson  <rth@redhat.com>
5317
5318         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
5319         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
5320         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
5321         (add_location_or_const_value_attribute): ... not here.  Use
5322         loc_descriptor_from_tree if possible.
5323         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
5324         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
5325         values specially.
5326         (loc_descriptor_from_tree): New.  Update callers.
5327         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
5328         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
5329         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
5330         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
5331         and BUILT_IN_STACK_RESTORE.
5332         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
5333         * stmt.c (expand_stack_alloc): Remove.
5334         * tree-mudflap.c (mx_register_decls): Don't look for
5335         BUILT_IN_STACK_ALLOC.
5336         * tree-nested.c (convert_local_reference): Likewise.
5337         * tree.h (DECL_VALUE_EXPR): New.
5338
5339 2004-08-10  Richard Henderson  <rth@redhat.com>
5340
5341         * stor-layout.c (round_up): Check for 0/1 before dividing.
5342         (round_down): Likewise.
5343
5344         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
5345
5346 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
5347
5348         * config.gcc (arm*-*-eabi*): New target.
5349         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
5350         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5351         * expmed.c (expand_divmod): Try a two-valued divmod function as a
5352         last resort.
5353         * gthr.h: Remove bogus tokens at end of #pragma.
5354         * optabs.c (expand_twoval_binop_libfunc): New function.
5355         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
5356         (prepare_float_lib_cmp): Try reversing the condition.
5357         (debug_optab_libfuncs): New function.
5358         * optabs.h (expand_twoval_binop_libfunc): Declare.
5359         * config/arm/arm.c (arm_init_libfuncs): New function.
5360         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
5361         (TARGET_INIT_LIBFUNCS): Define it.
5362         * config/arm/arm.h (TARGET_BPABI): New macro.
5363         * config/arm/arm-protos.h
5364         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
5365         * config/arm/bpabi.S: New file.
5366         * config/arm/bpabi.c: Likewise.
5367         * config/arm/bpabi.h: Likewise.
5368         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
5369         (__aeabi_drsub): Likewise.
5370         (__aeabi_dsub): Likewise.
5371         (__aeabi_dadd): Likewise.
5372         (__aeabi_ui2d): Likewise.
5373         (__aeabi_i2d): Likewise.
5374         (__aeabi_f2d): Likewise.
5375         (__aeabi_dmul): Likewise.
5376         (__aeabi_ddiv): Likewise.
5377         (__aeabi_cdrcmple): Likewise.
5378         (__aeabi_cdcmpeq): Likewise.
5379         (__aeabi_cdcmple): Likewise.
5380         (__aeabi_dcmpeq): Likewise.
5381         (__aeabi_dcmplt): Likewise.
5382         (__aeabi_dcmple): Likewise.
5383         (__aeabi_dcmpge): Likewise.
5384         (__aeabi_dcmpgt): Likewise.
5385         (__aeabi_dcmpun): Likewise.
5386         (__aeabi_d2iz): Likewise.
5387         (__aeabi_d2uiz): Likewise.
5388         (__aeabi_d2f): Likewise.
5389         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
5390         (__aeabi_frsub): Likewise.
5391         (__aeabi_fsub): Likewise.
5392         (__aeabi_fadd): Likewise.
5393         (__aeabi_ui2f): Likewise.
5394         (__aeabi_i2f): Likewise.
5395         (__aeabi_fmul): Likewise.
5396         (__aeabi_fdiv): Likewise.
5397         (__aeabi_cfrcmple): Likewise.
5398         (__aeabi_cfcmpeq): Likewise.
5399         (__aeabi_cfcmple): Likewise.
5400         (__aeabi_fcmpeq): Likewise.
5401         (__aeabi_fcmplt): Likewise.
5402         (__aeabi_fcmple): Likewise.
5403         (__aeabi_fcmpge): Likewise.
5404         (__aeabi_fcmpgt): Likewise.
5405         (__aeabi_fcmpun): Likewise.
5406         (__aeabi_f2iz): Likewise.
5407         (__aeabi_f2uiz): Likewise.
5408         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
5409         (__aeabi_uidivmod): New function or alias.
5410         (__aeabi_idivmod): Likewise.
5411         (__aeabi_idiv0): Likewise.
5412         (__aeabi_ldiv0): Likewise.
5413         (__aeabi_llsr): Likewise.
5414         (__aeabi_lasr): Likewise.
5415         (__aeabi_llsl): Likewise.
5416         (bpabi.S): Include it.
5417         * config/arm/libgcc-bpabi.ver: New file.
5418         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
5419         (LINK_SPEC): Remove.
5420         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
5421         __aeabi_ulcmp.
5422         * config/arm/t-bpabi: New file.
5423         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
5424         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5425
5426 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
5427
5428         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
5429         * config/rs6000/rs6000.md (clrmemsi): New pattern.
5430         * config/rs6000/rs6000.c (expand_block_clear): New function.
5431         (expand_block_move): Convert alignment to bits.  Use SImode and
5432         HImode for unaligned addresses if not STRICT_ALIGNMENT.
5433
5434 2004-08-10  Caroline Tice  <ctice@apple.com>
5435
5436         * varasm.c (unlikely_section_label): New global variable.
5437         (unlikely_text_section_name): New global variable.
5438         (text_section):  Remove alignment statement.
5439         (unlikely_text_section): Remove alignment statement; use
5440         unlikely_section_label rather than hard-coded string.
5441         (assemble_start_function): Initialize unlikely_section_label and
5442         unlikely_text_section_name;  make sure cold section is properly
5443         aligned at start of function; output unlikely_section_label if
5444         appropriate.
5445
5446 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
5447
5448         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
5449         * config/s390/s390.c (s390_canonicalize_comparison): New function.
5450         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
5451         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
5452         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
5453         ("*tmqi_mem"): Remove SUBREG from pattern.
5454         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
5455         ("*andsi3_cconly"): Likewise.
5456
5457 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5458
5459         PR target/16909
5460         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
5461
5462 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
5463
5464         * doc/sourcebuild.texi (compat testing): Document available test
5465         framework commands.  Use the preferred spelling of DejaGnu.
5466
5467 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
5468
5469         * lambda.h: Add matrix type, and prototypes for remainder of
5470         matrix and vector functions.
5471         (lambda_vector_mult_const): New function.
5472         (lambda_vector_negate): Ditto.
5473         (lambda_vector_add): Ditto.
5474         (lambda_vector_add_mc): Ditto.
5475         (lambda_vector_copy): Ditto.
5476         (lambda_vector_zerop): Ditto.
5477         (lambda_vector_equal): Ditto.
5478         (lambda_vector_min_nz): Ditto.
5479         (lambda_vector_first_nz): Ditto.
5480         (lambda_vector_matrix_mult): Ditto.
5481         * lambda-mat.c: New file.
5482         * Makefile.in (lambda-mat.o): New.
5483
5484 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
5485
5486         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
5487         after linking stmt into the program.
5488         (bsi_remove): Don't call modify_stmt.
5489         * tree-complex.c (update_complex_assignment,
5490         expand_complex_comparison): Call modify_stmt after changing the stmt.
5491         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
5492         removing the stmt.
5493         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
5494         the stmt, and only if needed.
5495         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
5496         expression.
5497         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
5498         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
5499         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
5500         (eliminate_redundant_computations): Don't pass an annotation. Call
5501         modify_stmt rather than setting the annotation directly.
5502         (record_equivalences_from_stmt): Remove unused local 'j'.
5503         (cprop_operand): Take a stmt rather than an annotation as a parameter.
5504         Call modify_stmt.
5505         (cprop_into_stmt): Pass stmt rather than annotation.
5506         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
5507         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
5508         modify_stmt.
5509         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
5510
5511 2004-08-10  Jason Merrill  <jason@redhat.com>
5512
5513         PR middle-end/16948
5514         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
5515         the RESULT_DECL.
5516
5517 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
5518
5519         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
5520         hash function.
5521
5522 2004-08-10  Roger Sayle  <roger@eyesopen.com>
5523
5524         * config/mips/mips.md: New reciprocal square root patterns that
5525         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
5526
5527 2004-08-10  Paul Brook  <paul@codesourcery.com>
5528
5529         * config/arm/arm-protos.h (arm_set_return_address,
5530         thumb_set_return_address): Add prototypes.
5531         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
5532         * config/arm/arm.c (arm_compute_func_type,
5533         use_return_insn, arm_compute_save_reg0_reg12_mask,
5534         arm_compute_save_reg_mask, arm_output_function_prologue,
5535         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
5536         current_function_calls_eh_return.
5537         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
5538         old eh code.
5539         (arm_set_return_address, thumb_set_return_address): New functions.
5540         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
5541         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
5542         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
5543         (epilogue): Use the stackadj register.
5544         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
5545
5546 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
5547
5548         PR target/3144
5549         * expr.c (move_by_pieces_ninsns): Add max_size argument.
5550         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
5551         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
5552         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
5553         but using MOVE_RATIO.
5554         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
5555         (can_store_by_pieces): Change max_size type to unsigned int.
5556         (store_by_pieces_1): Likewise.  Pass max_size to
5557         move_by_pieces_ninsns.
5558         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
5559         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
5560         to move_by_pieces_ninsns.
5561         (STORE_BY_PIECES_P): Define.
5562         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
5563         to move_by_pieces_ninsns.
5564         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
5565
5566         * config/i386/i386.h (CLEAR_RATIO): Define.
5567
5568 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5569
5570         * expr.c (expand_expr_real_1): Add back code that was not dead.
5571
5572 2004-08-09  Andrew Pinski  <apinski@apple.com>
5573
5574         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
5575         which is found to be compatible before returning the aliasing set.
5576
5577 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
5578
5579         * ggc-zone.c (struct alloc_zone): Add statistics counters.
5580         (always_collect): New flag.
5581         (ggc_alloc_zone_1): Update statistics support.  Don't include
5582         overhead in allocated counter.
5583         (sweep_pages): Update allocated counter for large pages.  Don'y
5584         include overhead.
5585         (ggc_collect_1): Always collect.
5586         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
5587         whether to collect.
5588         (SCALE, LABEL): New macros.
5589         (ggc_print_statistics): Add statistics support.
5590
5591 2004-08-09  Roger Sayle  <roger@eyesopen.com>
5592
5593         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
5594         (init_expmed): Fix potential overrun problem with "all.reg".
5595         (expand_sdiv2_pow2): Add an alternate implementation for signed
5596         division, if the target provides a suitable conditional move insn.
5597
5598 2004-08-09  Paul Brook  <paul@codesourcery.com>
5599         Richard Henderson  <rth@redhat.com>
5600
5601         * unwind-dw2.c (uw_install_context_1): Update target saved stack
5602         pointer.
5603
5604 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
5605
5606         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
5607         Check DATA limit only if there's no AS limit.  Ignore insanely
5608         low DATA limits.
5609         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
5610         but take care that the AS limit isn't overrun.
5611         * doc/invoke.texi: Update documentation of min-heapsize parameter.
5612
5613 2004-08-09  Jeff Law  <law@redhat.com>
5614
5615         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
5616         (tree-ssa-threadupdate.o): Add dependencies.
5617         * tree-ssa-threadupdate.c: New file.
5618         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
5619         (rewrite_vars_out_of_ssa): Remove prototype.
5620         (cleanup_tree_cfg): Returns a bool.
5621         * tree.h (thread_through_all_blocks): Prototype.
5622         * tree-outof-ssa.c  (SSANORM_*): Move into here.
5623         (remove_ssa_form): Now static.
5624         (rewrite_vars_out_of_ssa): Kill.
5625         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
5626         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
5627         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
5628         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
5629         anything was changed.
5630         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
5631         from the PHI's annotation rather than the edge associated with
5632         the new argument.
5633         * tree-ssa-dom.c (redirection_edges): Kill.
5634         (redirect_edges_and_update_ssa_graph): Kill.
5635         (tree_ssa_dominator_optimize): Do not reset forwardable flag
5636         for blocks anymore.  Do not initialize redirection_edges.
5637         Call thread_through_all_blocks.  Simplify code for cleanup
5638         of the CFG and iterating.  No longer call cleanup_tree_cfg
5639         outside the iteration loop.
5640         (thread_across_edge): No longer mess with forwardable blocks.
5641
5642 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
5643
5644         * explow.c (memory_address): Use memory_address_p.
5645         * recog.c (general_operand): Likewise.
5646         * regrename.c: No need to define REG_OK_STRICT.
5647
5648 2004-08-09  Steven Bosscher  <stevenb@suse.de>
5649
5650         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
5651         New timers.
5652         * gcse.c: Include timevar.h.
5653         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
5654         and global_copy_prop_count.
5655         (local_const_prop_count, local_copy_prop_count): New static globals.
5656         (gcse_main): Set the right timevar for each pass.
5657         (cprop_jump): Increment global_const_prop_count when a constant is
5658         propagated.  Add "GLOBAL" to dump output.
5659         (cprop_insn): Increment global_const_prop_count when a constant is
5660         propagated, or global_copy_prop_count when a copy is propagated.
5661         (do_local_cprop): Likewise for local_const_prop_count and
5662         local_copy_prop_count.
5663         (one_cprop_pass): Initialize const/cprop counters to zero.
5664         Print out results of local and global const/cprop separately.
5665         (bypass_block): Break over-length line.
5666         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
5667         for bb-reorder.o and tracer.o.
5668
5669 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5670
5671         * Makefile.in (GTFILES): Remove stmt.c
5672         (stmt.o): Do not depend on gt-stmt.h.
5673         * emit-rtl.c (emit_line_note): Do not call
5674         set_file_and_line_for_stmt.
5675         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
5676         do everything.
5677         * function.c (free_after_parsing): Do not free STMT field.
5678         (allocate_struct_function): Do not call init_stmt_for_function.
5679         (assign_stack_temp_for_type): Do not accept values of keep
5680         other than 0 or 1.
5681         (init_temp_slots): Do not initialize removed variables.
5682         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
5683         and X_VAR_TEMP_SLOT_LEVEL fields.
5684         * rtl.h (set_file_and_line_for_stmt): Remove.
5685         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
5686         struct stmt_status, cond_stack, case_stack, nesting_stack,
5687         nesting_depth, emit_locus, set_file_and_line_for_stmt,
5688         same_case_target_p, init_stmt_for_function, emit_nop,
5689         expand_start_cond, expand_start_elseif, expand_start_else,
5690         expand_elseif, expand_end_cond): Remove.
5691         (preserve_subexpressions_p): Remove references to CFUN->STMT.
5692         (expand_start_case, expand_end_case_type): Remove, merge into...
5693         (expand_case): ... this one, including other bits from
5694         expand_expr_real_1.  Inline same_case_target_p.  Turn members
5695         of CASE_STACK into local variables.
5696         (emit_case_bit_tests): Inline same_case_target_p.
5697         (add_case_node): Add HEAD argument, return new head of the list,
5698         do not handle default label here.
5699         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
5700         expand_start_elseif, current_nesting_level, expand_start_case,
5701         expand_end_case_type, expand_end_case, add_case_node,
5702         init_stmt_for_function, expand_elseif): Remove prototypes.
5703         (expand_case): Add prototype.
5704
5705 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5706
5707         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
5708
5709 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5710
5711         * expr.c (var_rtx): Remove.
5712         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
5713         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
5714         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
5715         Abort.
5716         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
5717         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
5718         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
5719
5720 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
5721         Ayal Zaks <zaks@il.ibm.com>
5722
5723         * common.opt (freschedule-modulo-scheduled-loops): New flag.
5724         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
5725         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
5726         when -freschedule-modulo-scheduled-loops flag is not specified.
5727         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
5728         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
5729         More accurate placing of insn in row of partial schedule.
5730         (ps_insn_find_column): New function.
5731         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
5732         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
5733         (schedule_region): Use sched_is_disabled_for_current_region_p.
5734         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
5735
5736 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5737
5738         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
5739         change.
5740
5741 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5742
5743         * config/i386/i386.c (ix86_expand_clrmem): Properly call
5744         gen_strset for 64bit target.
5745
5746 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
5747
5748         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
5749
5750 2004-08-07  Jason Merrill  <jason@redhat.com>
5751
5752         Make return in memory explicit.
5753         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
5754         (assign_parm_find_data_types): Remove code for old front end
5755         invisible reference handling.
5756         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
5757         (expand_function_end): Likewise.
5758         * gimplify.c (gimplify_return_expr): Handle a dereferenced
5759         RESULT_DECL.
5760         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
5761         (declare_return_variable): Handle DECL_BY_REFERENCE.
5762         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
5763         (cp_genericize_r): Use convert_from_reference.
5764         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
5765         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
5766
5767         * c-common.c (c_warn_unused_result): Check TREE_USED before
5768         warning about a CALL_EXPR with an unused value.
5769
5770 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5771
5772         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
5773         to the compiler.  Use -fshort-wchar by default.
5774
5775 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
5776
5777         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
5778         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
5779         threshhold.
5780         * doc/invoke.texi (param): Document min-crossjump-insns.
5781
5782 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
5783
5784         PR c/13282
5785         * c.opt (Wmissing-field-initializers): New option.
5786         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
5787         * c-typeck.c (pop_init_level): Guard the missing field warning with
5788         warn_missing_field_initializers rather than extra_warnings.
5789         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
5790         some of the explanation from...
5791         (-Wextra): ...here.  Say that the missing field warning can be
5792         seperately controlled by -Wmissing-field-initializers.
5793
5794 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
5795
5796         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
5797         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
5798         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
5799         * tree.def (ENTRY_VALUE_EXPR): Remove.
5800
5801 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
5802
5803         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
5804         the places where it is actually needed.  Don't use repz; stosb
5805         for -Os with sufficiently small constant sizes.
5806         For sufficiently small repz; stos{l,q} repeat counts use a sequence
5807         of stos{l,q} instructions instead.
5808
5809 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5810
5811         PR tree-optimization/16807
5812         * loop-iv.c (dump_iv_info): Dump invariants correctly.
5813         (iv_subreg, iv_extend): Express value of invariant purely in
5814         base field.
5815
5816 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5817
5818         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
5819         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
5820
5821 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
5822
5823         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
5824         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
5825         pre_dec_operand.
5826         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
5827         pattern until reload is finished to allow better code generation
5828         and split them completely into separate instrunctions.
5829         (*andsi3_split): New pattern.
5830
5831 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
5832
5833         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
5834         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
5835         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5836         * tree.h (handle_dll_attribute): Declare.  Test
5837         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5838         * c-common.h (c_determine_visibility): Declare.
5839         * c-common.c (c_determine_visibility): New function.
5840         * c-decl.c (finish_decl): Use it.
5841         (finish_function): Likewise.
5842         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
5843         zero, by default.  Use #if, not #ifdef, to test it.
5844         * config/arm/arm.c (arm_attribute_table): Use
5845         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
5846         #if.
5847         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
5848         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5849         to 1.
5850         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
5851         * config/i386/i386.c (ix86_attribute_table): Use
5852         handle_dll_attribute for dllimport/dllexport.  Test
5853         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5854         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
5855         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5856         it to 1.
5857         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
5858         with #if.
5859         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5860         it to 1.
5861         * doc/extend.texi (dllexport): Clarify and correct documentation.
5862         (dllimport): Likewise.
5863         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
5864         handle_dll_attribute.
5865
5866 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5867
5868         * tree-ssa-loop-manip.c: New file.
5869         * Makefile.in (tree-ssa-loop-manip.o): Add.
5870         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
5871         Declare.
5872         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
5873         form.
5874         (tree_ssa_loop_done): Verify loop closed ssa form.
5875         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
5876
5877 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5878
5879         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
5880         pa_asm_output_aligned_local): New functions.
5881         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
5882         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
5883         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
5884         pa_asm_output_aligned_common.
5885         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5886         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
5887         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5888         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5889         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
5890         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5891         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5892         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
5893         common data.
5894
5895 2004-08-05  Andrew Pinski  <apinski@apple.com>
5896
5897         * objc/objc-act.c (build_objc_string_object): Mark the address
5898         expression as constant.
5899
5900 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
5901
5902         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
5903         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
5904         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
5905
5906 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5907
5908         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
5909         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
5910         out, and associated obsolete comments.
5911
5912 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
5913
5914         * tree.h (force_fit_type): Return a tree, take three flags.
5915         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
5916         TREE_CONSTANT_OVERFLOW here.
5917         (int_const_binop, const_binop): Adjust.
5918         (size_int_type): Do sign extension here.
5919         (fold_convert_const, optimize_bit_field_compare,
5920         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
5921         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
5922         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
5923
5924 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5925
5926         PR tree-optimization/16864
5927         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
5928         for ssa names without default_def.
5929
5930 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
5931
5932         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
5933         frame pointer, restore eax with an ebp-relative address.
5934
5935 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
5936
5937         PR 14516
5938         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
5939         * c-common.h (make_rtl_for_local_static): Delete.
5940         * c-decl.c (shadow_tag_warned): Clean up comment.
5941         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
5942         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
5943         * c-semantics.c (make_rtl_for_local_static): Delete.
5944         * expr.c (init_block_move_fn): Use set_user_assembler_name.
5945         (init_block_clear_fn): Likewise.
5946         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
5947         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
5948         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
5949         * tree.h (make_decl_rtl): Remove second parameter.
5950         (set_user_assembler_name): New.
5951         * varasm.c (set_user_assembler_name): New.
5952         (make_decl_rtl): Remove second parameter.  Update callers in many
5953         files.
5954
5955 2004-08-05  Adam Nemet  <anemet@lnxw.com>
5956
5957         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
5958         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
5959         to LynxOS 4.0.
5960         * gthr-lynx.h: New file.
5961         * config/lynx-ng.h: Remove file.
5962         * config/lynx.h: Update to LynxOS 4.0.
5963         * config/t-lynx: New file.
5964         * config/i386/lynx-ng.h: Remove file.
5965         * config/i386/lynx.h: Update to LynxOS 4.0.
5966         * config/rs6000/lynxbase.h: Remove file.
5967         * config/rs6000/lynx.h: Update to LynxOS 4.0.
5968         * config/rs6000/t-lynx: New file.
5969         * doc/install.texi (Options specification): Remove reference to
5970         LynxOS from systems where --with-gnu-as makes a difference.
5971
5972 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
5973
5974         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
5975         __UINTMAX_TYPE__.
5976         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
5977         __INTMAX_MAX__.
5978         (c_cpp_builtins): Call it.
5979         * doc/cpp.texi: Update.
5980
5981 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
5982
5983         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
5984         cost.
5985
5986 2004-08-04  Jan Hubicka  <jh@suse.cz>
5987
5988         * basic-block.h (profile_staus): New global variable.
5989         * cfg.c (profile_status): Declare.
5990         (check_bb_profile): Break out from ....; use profile_status
5991         (dump_flow_info): ... here.
5992         * cfgbuild.c (find_basic_blocks): Set profile_status.
5993         * cfgexpand.c (tree_expand_cfg): Likewise.
5994         * predict.c (estimate_probability): Likewise.
5995         * profile.c (branch_prob): Likewise.
5996         * tree-cfg.c (build_tree_cfg): Likewise.
5997         (dump_function_to_file): Use check_bb_profile.
5998         * tree-pretty-print (dump_bb_header): Likewise.
5999         * tree-profile.c (do_tree_profiling): Cleanup.
6000
6001 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
6002
6003         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
6004         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
6005         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
6006         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
6007         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
6008         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
6009         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
6010         (ggc-none.o, errors.o): Move rule to generators section;
6011         correct dependencies.
6012         (min-insn-modes.o): Move rule to generators section; remove
6013         unnecessary explicit command; correct dependencies.
6014         (print-rtl.o, print-rtl1.o): Correct dependencies.
6015         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
6016         (mostlyclean): Update.
6017
6018         * errors.c: Include bconfig.h not config.h.  Correct comment.
6019         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
6020         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
6021         * print-rtl.c: Don't include tm_p.h.
6022
6023         * rtl.h: Move forward-decl of struct function down where it's
6024         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
6025         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
6026
6027 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6028             Jeff Law  <law@redhat.com>
6029
6030         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
6031         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
6032         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
6033         manipulate the duplicated ssa names.
6034         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
6035         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
6036         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
6037         New functions.
6038         (release_ssa_name): Do not release ssa names that may have multiple
6039         definitions.
6040         * tree.h (release_ssa_name_force, mark_for_rewrite,
6041         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
6042         marked_ssa_names): Declare.
6043         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
6044         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
6045         Update call to rewrite_ssa_into_ssa.
6046
6047 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
6048
6049         * defaults.h (TARGET_DECLSPEC): New macro.
6050         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
6051         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
6052         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
6053         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
6054         __declspec support.
6055         (TARGET_DECLSPEC): Define.
6056         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
6057         __declspec support.
6058         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
6059         __declspec support.
6060         (TARGET_DECLSPEC): Define.
6061         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
6062         __declspec support.
6063         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
6064         support.
6065         * doc/tm.texi (TARGET_DECLSPEC): Document.
6066
6067         * doc/extend.texi: Fix typo in comment.
6068
6069 2004-08-04  Paul Brook  <paul@codesourcery.com>
6070
6071         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
6072         (TARGET_CXX): Use it.
6073         * target.h (struct gcc_target): Add cdtor_returns_this.
6074         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
6075         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
6076         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
6077
6078 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
6079
6080         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
6081         low/high pair. Do range checking directly.
6082         (interpret_integer): Adjust.
6083
6084 2004-08-04  Nick Clifton  <nickc@redhat.com>
6085
6086         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
6087         GCC ABI.
6088         * doc/invoke.texi: Document this new switch and also the -mrenesas
6089         switch.
6090
6091 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
6092
6093         * cfglayout.c (insn_locators_initialize): Update the current
6094         location before initializing a location.
6095
6096 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
6097
6098         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
6099         (dbxout_function_end): Return after emitting the "Lscope" symbol
6100         under the same conditions that this function formerly wasn't called.
6101         Add explanatory comments.
6102
6103         PR 14860
6104         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
6105         on the new decl.
6106
6107         PR 13956
6108         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
6109         functions, broken out of dbxout_block.
6110         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
6111         stabs too, if it contains symbols.  Use the begin_label and
6112         the Lscope label (emitted by dbxout_function_end) for the
6113         range of this block.
6114
6115 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
6116
6117         * doc/install.texi: Update autoconf version requirements.
6118
6119 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
6120
6121         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
6122         * recog.c (general_operand, immediate_operand, nonmemory_operand)
6123         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
6124         * regclass.c (record_reg_classes): Likewise.
6125         * reload.c (find_reloads): Likewise.
6126         * reload1.c (reload): Likewise.
6127
6128 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
6129
6130         * gensupport.c (init_md_reader_args_cb): Renamed from
6131         init_md_reader_args.  Add third option, callback function for
6132         parsing program-specific options.  Add diagnosis of incorrect
6133         number of input files.
6134         (init_md_reader): Fold into init_md_reader_args_cb.
6135         (init_md_reader_args): Now a thin wrapper around
6136         init_md_reader_args_cb.
6137         * gensupport.h: Update prototypes.
6138
6139         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6140         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6141         * genrecog.c: No need to diagnose lack of an input file;
6142         init_md_reader_args will handle it.
6143         * genconditions.c: Likewise, and use init_md_reader_args.
6144         * genconstants.c: Likewise, and no need to call read_md_rtx.
6145
6146 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
6147
6148         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
6149         declarations.
6150
6151 2004-08-03  Mike Stump  <mrs@apple.com>
6152
6153         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
6154         for frameworks.
6155         * doc/invoke.texi (Darwin Options): Update to reflect above.
6156
6157 2004-08-03  Roger Sayle  <roger@eyesopen.com>
6158
6159         PR middle-end/16790
6160         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
6161         truncations, not just global truncations.
6162
6163 2004-08-03  Andrew Pinski  <apinski@apple.com>
6164
6165         PR bootstrap/16865
6166         * loop-iv.c (simplify_using_assignment): Initialize lhs.
6167
6168 2004-08-03  Paul Brook  <paul@codesourcery.com>
6169
6170         * gcc/doc/install.texi: Document MPFR requirement.
6171
6172 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
6173
6174         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
6175         and mmap() explicitly instead of relying on preset autoconf cache
6176         variables.
6177         * configure: Regenerate.
6178
6179 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
6180
6181         PR target/16570
6182         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
6183         to tmake_file.
6184         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
6185         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
6186         to tmake_file.
6187
6188         * config/i386/t-gmm_malloc: New file.
6189         * config/i386/t-pmm_malloc: Likewise.
6190
6191         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
6192
6193 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
6194             Tanguy Fautrà <tfautre@pandora.be>
6195
6196         * config/i386/pmm_malloc.h: New file.
6197
6198 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
6199
6200         * config/i386/gmm_malloc.h: New file.
6201
6202 2004-08-03  Dale Johannesen  <dalej@apple.com>
6203
6204         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
6205         * c-common.c: Include opts.h.
6206         (c_common_get_alias_set): Fix check for a single input file.
6207         * toplev.c: Remove current_file_decl.
6208         * tree.h: Ditto.
6209
6210 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
6211
6212         * config.gcc (arm*-*-symbianelf*): New target.
6213         * config/arm/symbian.h: New file.
6214
6215         * gthr-gnat.c: Add visibility #pragmas.
6216         * gthr-gnat.h : Likewise.
6217         * gthr.h: Likewise.
6218         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
6219         (__ffsDI2): Likewise.
6220         (__clzSI2): Likewise.
6221         (__ctzSI2): Likewise.
6222         (__ctzDI2): Likewise.
6223         (__popcountSI2): Likewise.
6224         (__popcountDI2): Likewise.
6225         (__paritySI2): Likewise.
6226         (__parityDI2): Likewise.
6227         * libgcc2.h: Add visibility #pragmas.
6228         (__clzDI2): Add prototype.
6229         (__clzSI2): Likewise.
6230         (__ctzSI2): Likewise.
6231         (__ffsDI2): Likewise.
6232         (__ffsSI2): Likewise.
6233         (__ctzDI2): Likewise.
6234         (__popcountSI2): Likewise.
6235         (__popcountDI2): Likewise.
6236         (__paritySI2): Likewise.
6237         (__parityDI2): Likewise.
6238         * unwind-dw2-fde.h: Add visibility #pragmas.
6239         * unwind.h: Likewise.
6240
6241 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
6242             Dale Johannesen  <dalej@apple.com>
6243             Roger Sayle  <roger@eyesopen.com>
6244
6245         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
6246         constants more accurately.  Adjust costs for FMA instructions.
6247         Add cases for most logical and float operations.  Recurse into
6248         most operands.
6249
6250 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
6251
6252         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
6253
6254 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
6255
6256         * ra-build.c (conflicts_between_webs): For webs that cross a call add
6257         conflicts to regs_invalidated_by_call.
6258
6259 2004-08-03  Paul Brook  <paul@codesourcery.com>
6260
6261         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
6262
6263 2004-08-03  Jan Hubicka  <jh@suse.cz>
6264
6265         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
6266         ARRAY_REF argument.
6267
6268 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
6269
6270         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
6271         arm968es, arm10e, arm1020e, arm1022e.
6272         * invoke.texi: Update list of ARM cores.
6273         * arm-tune.md: Regenerate.
6274
6275 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
6276
6277         * arm/gentune.sh: New file.
6278         * arm/t-arm: New file.
6279         * arm/arm-tune.md: New file (autogenerated).
6280         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
6281         * arm.md (attribute tune): Delete.  Include arm-tune.md.
6282
6283 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
6284
6285         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
6286         penultimate parameter.  All callers adjusted.
6287         (struct prefix_list): Remove used_flag_ptr.
6288         (find_a_file): Do not set *pl->used_flag_ptr.
6289         (warn_B, warn_std_ptr): Remove.
6290
6291 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
6292             Mostafa Hagog <mustafa@il.ibm.com>
6293
6294         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
6295
6296 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
6297
6298         * dwarf2out.c (output_call_frame_info): Don't change data format
6299         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
6300         label.  Use 'true' not '1'.
6301         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
6302         required.
6303
6304 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
6305
6306         * gdbinit.in: Reflect previous changes to rtunion_def.
6307
6308 2004-08-02  Roger Sayle  <roger@eyesopen.com>
6309
6310         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
6311         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
6312
6313 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6314
6315         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
6316         vec_p_reserve.
6317         * langhooks.h (lang_hooks::builtin_function): Rename parameter
6318         from "class" to "bt_class".
6319
6320 2004-08-02  Paul Brook  <paul@codesourcery.com>
6321
6322         PR rtl-optimization/15068
6323         * flow.c (init_propagate_block_info): Check condition is reversible.
6324
6325 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6326
6327         * gengtype.h (options::info): Change type to const char *.
6328         (enum gc_used_enum): Move out of struct type scope.
6329         * gengtype.c (create_option): Convert initializer for option::info to
6330         appropiate type.
6331         (adjust_field_type, walk_type, write_func_for_structure,
6332         write_root, write_roots): Remove pointless cast.
6333
6334 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
6335
6336         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
6337
6338 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6339
6340         * rtl.h (union rtunion_def): Have all members  start with the
6341         prefix "rt_".
6342         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
6343         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
6344         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
6345         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
6346         access.
6347         * gengtype.c (adjust_field_rtx_def): Likewise.
6348         * rtlanal.c (loc_mentioned_in_p): Likewise.
6349
6350 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
6351
6352         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
6353         Replace uses of mips/elf64.h with mips/elf.h
6354         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
6355         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
6356         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
6357         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
6358         (HANDLE_SYSV_PRAGMA): Delete.
6359         (ASM_OUTPUT_DEF): Fix formatting.
6360         * config/mips/elf64.h: Delete.
6361
6362 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
6363
6364         * config/ia64/ia64.c (got_symbolic_operand): Do require a
6365         symbol+offset operand to have its offset be zero mod 0x3fff
6366         when GOT entries are in use.  Clarify logic in SYMBOL_REF
6367         case.  Clarify comments.
6368         (ia64_expand_load_address): Split a symbol+offset load when
6369         the offset is nonzero mod 0x3fff, not 0x1fff.
6370
6371 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
6372
6373         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
6374         if trying to *store* to a non-offsettable address.
6375         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
6376         a nonoffsettable address.
6377         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
6378         Clean up.
6379         (movti_string): Don't move GPRs to a nonoffsettable address.
6380         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
6381
6382 2004-08-02  Ben Elliston  <bje@au.ibm.com>
6383
6384         PR target/16155
6385         * config/rs6000/altivec.h: Replace typeof with __typeof__.
6386
6387 2004-08-01  Richard Henderson  <rth@redhat.com>
6388
6389         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
6390         variable sized types.
6391
6392 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6393
6394         * doc/invoke.texi: In the MIPS options section, remove the passage
6395         saying that -mexplicit-relocs is usually disabled for -mabicalls
6396         -fno-unit-at-a-time.
6397         * config/mips/mips.c (override_options): Remove the code that enforced
6398         this rule.
6399
6400 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6401
6402         * config/mips/mips.md (cprestore): Provide two alternatives, one for
6403         an in-range offset and one for an out-of-range offset.  Wrap the latter
6404         in .set macro/.set nomacro if it's inside a .set nomacro block.
6405
6406 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6407
6408         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
6409         (mips_restore_gp): Declare.
6410         * config/mips/mips.c (mips_add_offset): Add a scratch register
6411         argument.  Reimplement in rtl only, reusing MIPS16 logic from
6412         mips_output_mi_thunk.
6413         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
6414         to mips_add_offset.
6415         (mips_gp_save_slot): Delete.
6416         (mips_restore_gp): New function.
6417         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
6418         * config/mips/mips.md (exception_receiver): Turn into a
6419         define_insn_and_split.  Use mips_restore_gp to do the split.
6420         (call_internal, call_value_internal, call_value_multiple_internal): Use
6421         mips_restore_gp to restore $gp.
6422
6423 2004-07-31  Andrew Pinski  <apinski@apple.com>
6424
6425         PR other/16842
6426         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
6427
6428 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
6429
6430         * c-decl.c (diagnose_mismatched_decls): Give error for external
6431         redeclaration of identifier declared with no linkage, not just
6432         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
6433         error for redeclaration with no linkage.
6434
6435 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
6436             Fariborz Jahanian <fjahanian@apple.com>
6437
6438         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
6439         non-offsettable addresses even for DImode.
6440         (rs6000_split_multireg_move): Cope with non-offsettable addresses
6441         being moved into multiple GPRs.
6442
6443         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
6444         to 64.
6445         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
6446         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
6447         to 128.
6448         * config/rs6000/darwin-ldouble.c (isless): New macro.
6449         (inf): New macro.
6450         (nonfinite): New macro.
6451         (FPKINF): Delete.
6452         (_xlqadd): Completely rewrite.
6453         (_xlqmul): Correct overflow handling.
6454         (_xlqdiv): Correct overflow handling.
6455         * config/rs6000/darwin-ldouble-format: New file.
6456
6457 2004-07-30  Roger Sayle  <roger@eyesopen.com>
6458             Richard Henderson  <rth@redhat.com>
6459
6460         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
6461         9 into the equivalent lea instruction.
6462
6463 2004-07-30  Richard Henderson  <rth@redhat.com>
6464
6465         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
6466         with DECL_INITIAL if fb_lvalue.
6467         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
6468         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
6469         with <Cxxx>.
6470         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
6471
6472 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6473
6474         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
6475         pointer escapes through a function call, assume that the
6476         callee will dereference it.
6477         (add_pointed_to_var): Assume that VALUE is always an
6478         ADDR_EXPR.
6479         (collect_points_to_info_r): Only call add_pointed_to_var if
6480         the value is an ADDR_EXPR.
6481
6482 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6483
6484         * tree-ssa-alias.c (create_alias_map_for): Do not get the
6485         alias set of the inner type of ARRAY_TYPEs.
6486
6487 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6488
6489         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
6490         setting a non-register to UNDEFINED right before the call to
6491         set_lattice_value.
6492
6493 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6494
6495         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
6496
6497 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6498
6499         * tree-ssa.c (verify_flow_sensitive_alias_info): When
6500         comparing points-to sets of different pointers, make sure the
6501         second pointer is actually referenced in the code.
6502
6503 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
6504
6505         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
6506         (got_symbolic_operand): Remove unreachable code.
6507         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
6508         setjmp_operand; add entry for tls_symbolic_operand.
6509         * config/ia64/ia64-protos.h: Remove all prototypes of
6510         predicate functions.
6511
6512 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
6513
6514         * c-common.h (lang_post_pch_load): New variable.
6515         * c-pch.c (lang_post_pch_load): Define it.
6516         (c_common_read_pch): Use it.
6517         * cgraphunit.c (record_call_1): Give the front end a chance to
6518         record additional needed entities when a variable is marked as
6519         needed.
6520         * tlink.c (recompile_files): Robustify.
6521         (scan_linker_output): If a symbol is assigned to a file,
6522         but after recompilation is not present there, issue an error
6523         message.
6524
6525 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6526
6527         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
6528         Take orig_loop argument and pass it to set_level.
6529         (schedule_sm): Pass the correct orig_loop to force_move_till.
6530
6531 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6532
6533         * cfgloop.c (update_latch_info): Update dominator of the new block.
6534         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
6535         info.
6536         * dominance.c (verify_dominators): Check that the dominance tree is
6537         connected.
6538         (recount_dominator): Ignore unreachable blocks.
6539         (iterate_fix_dominators): Cleanup old dominance information before
6540         recomputing it.
6541
6542 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6543
6544         * tree-ssa-operands.c (get_expr_operands): Revert changes
6545         to ADDR_EXPR processing introduced by:
6546             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6547             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
6548
6549 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
6550
6551         * doc/implement-c.texi: Add C90 subclause references.  Point to
6552         preprocessor documentation instead of duplicating it.  Add points
6553         only present in C90.  Fill in documentation for all points.
6554
6555 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6556
6557         * pa.c (output_movb): Correct typo.
6558
6559 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
6560
6561         * ra.h (single_reg_in_regclass): Declare.
6562         * ra.c (single_reg_in_regclass): Define.
6563         (first_hard_reg): New.
6564         (init_ra): Initialize single_reg_in_regclass.
6565         * ra-colorize.c (ok_class): New.
6566         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
6567
6568 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
6569
6570         * gcov-io.h: Allow zero tag as EOF indicator.
6571         (gcov_is_eof): Remove.
6572         (gcov_truncate): Remove.
6573         * gcov-io.c (gcov_seek): Always SEEK_SET.
6574         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
6575         EOF tag.
6576         * coverage.c (read_counts_file): Don't use gcov_is_eof.
6577         * gcov-dump.c (dump_file): Likewise.
6578         * gcov.c (read_graph_file, read_count_file): Likewise.
6579
6580         * c-decl.c (complete_array_type): Don't gratuitously copy
6581         maxindex.  Check it always has a type.
6582
6583 2004-07-29  Steven Bosscher  <stevenb@suse.de>
6584
6585         * rtl.c (currently_expanding_to_rtl): New.
6586         * rtl.h (currently_expanding_to_rtl): Export it.
6587         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
6588
6589         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
6590         inliner hack.
6591         * config/sh/sh.c: Replace rtx_equal_function_value_matters
6592         with currently_expanding_to_rtl.
6593         * config/sh/sh.md: Likewise.
6594         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
6595
6596 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6597
6598         Introduce sh2a support.
6599         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6600         * config.gcc: Build multilibs for sh2a and sh2a-single by
6601         default.
6602         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
6603         default.  Split their tests out of the corresponding SH4
6604         multilibs.
6605         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
6606         multilibs for SH2a.
6607         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6608         * config.gcc: Handle sh2a multilibs and cpu selection.
6609         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
6610         * config/sh/t-mlib-sh2a: New.
6611         * config/sh/t-mlib-sh2a-nofpu: New.
6612         * config/sh/t-mlib-sh2a-single: New.
6613         * config/sh/t-mlib-sh2a-single-only: New.
6614         2004-07-09  Nick Clifton  <nickc@redhat.com>
6615         Issue 43400
6616         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
6617         -ml and -m2a are used together.
6618         2004-03-23  DJ Delorie  <dj@redhat.com>
6619         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
6620         when we have a double-sized FPU.
6621         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6622         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
6623         is set.
6624         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
6625         -msh2a-single and -msh2a-single-only
6626         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6627         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
6628         is set.
6629         2004-02-20  DJ Delorie  <dj@delorie.com>
6630         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
6631         2004-02-20  Fred Fish <fnf@redhat.com>,
6632         Corinna Vinschen <vinschen@redhat.com>
6633         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
6634         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
6635         2004-02-18  DJ Delorie  <dj@redhat.com>
6636         * config/sh/sh.c (broken_move): Add support for movi20.
6637         * config/sh/sh.h: Likewise.
6638         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
6639         * config/sh/sh.md (udivsi3_sh2a): New.
6640         (udivsi3): Call it.
6641         (divsi3_sh2a): New.
6642         (divsi3): Call it.
6643         (mul_r): New.
6644         (ashlsi3_sh2a): New.
6645         (ashrsi3_sh2a): New.
6646         (lshrsi3_sh2a): New.
6647         (movsi_i): Disable for sh2a.
6648         (movsi_ie): Add movi20.
6649         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
6650         sh2a, for -m2a-nofpu mode.
6651         2004-02-13  DJ Delorie  <dj@redhat.com>
6652         * config/sh/lib1funcs.asm: Handle double vs single better.
6653         * config/sh/sh.h: Likewise.
6654         2004-02-09  DJ Delorie  <dj@redhat.com>
6655         * config/sh/crt1.asm: Add support for sh2a.
6656         * config/sh/elf.h: Likewise.
6657         * config/sh/lib1funcs.asm: Likewise.
6658         * config/sh/sh.c: Likewise.
6659         * config/sh/sh.md: Likewise.
6660         * config/sh/sh.h: Likewise.
6661         * config/sh/t-sh: Likewise.
6662
6663 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6664
6665         * config/frv/frv.md (movqi_internal, movhi_internal,
6666         movsi_internal): Add backup alternatives for memory inputs.
6667
6668 2004-07-28  Matt Austern  <austern@apple.com>
6669
6670         * config/darwin.c (darwin_one_byte_bool): New global variable.
6671         * config/darwin.h (darwin_one_byte_bool): Declare.
6672         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
6673         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
6674         value of darwin_one_byte_bool.
6675         * doc/invoke.texi: Document -mone-byte-bool flag.
6676
6677 2004-07-28  Eric Christopher  <echristo@redhat.com>
6678
6679         * c-common.c (c_common_unsafe_for_reeval): Delete.
6680         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
6681         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
6682         * calls.c (fix_unsafe_tree): Delete.
6683         (expand_call): Delete code which used above.
6684         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
6685         * expr.c (expand_expr_real_1): Ditto.
6686         * fold-const.c (non_lvalue): Ditto.
6687         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6688         (lhd_unsafe_for_reeval): Ditto.
6689         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
6690         * langhooks.h (unsafe_for_reeval): Ditto.
6691         (unsave_expr_now): Adjust comment.
6692         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
6693         (estimate_num_insns_1): Ditto.
6694         * tree-pretty-print.c (dump_generic_node): Ditto.
6695         * tree.c (expr_align): Ditto.
6696         (unsave_expr): Delete.
6697         (unsafe_for_reeval): Ditto.
6698         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
6699         * tree.def (UNSAVE_EXPR): Delete.
6700         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6701
6702 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
6703
6704         * tree.h (enum tls_model): Move ...
6705         * coretypes.h: ... here.
6706
6707 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
6708
6709         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
6710
6711 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6712
6713         * cse.c (validate_canon_reg): New function, split out from...
6714         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
6715
6716 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6717
6718         * tree-ssa-alias.c (maybe_create_global_var): Don't just
6719         return if .GLOBAL_VAR has been created.
6720
6721 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6722
6723         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
6724         every variable that may have aliases, not just tags.
6725
6726 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
6727
6728         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
6729         move_from_CR_eq_bit.
6730         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
6731
6732
6733         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
6734         e500_flip_eq_bit.
6735
6736         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
6737         output_e500_flip_eq_bit.
6738
6739         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
6740         output_e500_flip_eq_bit.
6741         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
6742         output_e500_flip_eq_bit.
6743         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
6744         (print_operand): case D.  Get to EQ bit.
6745
6746 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6747
6748         * gcov.c (function_summary): Add missing \n.
6749
6750 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6751
6752         Introduce sh4a support.
6753         * config.gcc: Handle sh4a multilibs and cpu selection.
6754         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
6755         * config/sh/t-mlib-sh4a: New.
6756         * config/sh/t-mlib-sh4al: New.
6757         * config/sh/t-mlib-sh4a-nofpu: New.
6758         * config/sh/t-mlib-sh4a-single: New.
6759         * config/sh/t-mlib-sh4a-single-only: New.
6760         2004-02-20  DJ Delorie  <dj@redhat.com>
6761         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
6762         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
6763         2003-08-22  Eric Christopher  <echristo@redhat.com>
6764         * config/sh/sh4a.md: Update for chip errata.
6765         2003-08-07  Eric Christopher  <echristo@redhat.com>
6766         * config/sh/sh4a.md: New file. sh4a processor description.
6767         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
6768         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
6769         of -m4a-nofpu.
6770         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
6771         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
6772         * doc/invoke.texi (SH Options): Document -m4al.
6773         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
6774         * config/sh/sh.c (expand_block_move): Remove commented-out code
6775         checked in by mistake.
6776         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
6777         single elements from SFmode vectors.
6778         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
6779         register.
6780         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
6781         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
6782         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
6783         sh_fsca_int2sf): Remove variable declarations.
6784         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6785         sh_fsca_int2sf): New functions.
6786         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
6787         sh_fsca_int2sf_rtx): New static variables.
6788         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
6789         sh_fsca_int2sf): Declare.
6790         * config/sh/sh.md: Adjust.
6791         * doc/invoke.texi (SH Options): Document new options.
6792         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
6793         compatibility from SH4 code.
6794         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
6795         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
6796         early.
6797         (memory_movsrc_operand): Renamed to...
6798         (unaligned_load_operand): ... this.  Simplified.
6799         * config/sh/sh.h (PREDICATE_CODES): Adjust.
6800         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
6801         input operand to SImode, and adjust the others.  Introduce
6802         post-increment by peephole.
6803         * config/sh/sh.c (expand_block_move): Give the target address the
6804         same mode as the temp reg.
6805         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
6806         copying.
6807         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
6808         Introduce support for SH4a.
6809         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
6810         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
6811         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6812         sh_fsca_int2sf): New.
6813         (sh_init_builtins): Initialize them.
6814         (print_operand): Support `d'.
6815         (expand_block_move): Use movua if src is misaligned.
6816         (memory_movsrc_operand): New.
6817         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
6818         and one of the SH4 macros.
6819         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
6820         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
6821         SELECT_SH4A_SINGLE): New.
6822         (TARGET_NONE): Add SH4A_BIT.
6823         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
6824         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
6825         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
6826         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
6827         (enum processor_type): Added PROCESSOR_SH4A.
6828         (PREDICATE_CODES): Add memory_movsrc_operand.
6829         * config/sh/sh.md: Removed unused variables.
6830         (attr cpu): Add sh4a.
6831         (attr type): Add movua, fsrra and fsca.
6832         (prefetch): New, for SH4.
6833         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
6834         (toggle_sz): Set type to fp.
6835         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
6836         (movua, extv, extzv): New.
6837         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
6838         and 4a-single-only.
6839
6840 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6841
6842         * tree-optimize.c (init_tree_optimization_passes): Schedule
6843         pass_may_alias right after the program is renamed into SSA.
6844         * tree-pass.h (PROP_alias): Define.
6845         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
6846         * tree-sra.c (pass_sra): Likewise.
6847         * tree-ssa-ccp.c (pass_ccp): Likewise.
6848         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
6849         * tree-ssa-dce.c (pass_dce): Likewise.
6850         * tree-ssa-dom.c (pass_dominator): Likewise.
6851         * tree-ssa-dse.c (pass_dse): Likewise.
6852         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
6853         * tree-ssa-loop-ch.c (pass_ch): Likewise.
6854         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
6855         * tree-ssa-pre.c (pass_pre): Likewise.
6856         * tree-tailcall.c (pass_tail_recursion): Likewise.
6857         * tree-ssa.c (pass_redundant_phi): Likewise.
6858         * tree-ssa-alias.c (aliases_computed_p): Remove.
6859         Update all users.
6860         (init_alias_info): Do not mark all type tags for renaming
6861         unconditionally.
6862         Clear may_aliases from every symbol.
6863         (setup_pointers_and_addressables): If a pointer has not been
6864         dereferenced and it had a type tag, clear it and mark the old
6865         tag for renaming.
6866
6867 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6868
6869         PR tree-optimization/16705
6870         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
6871         .GLOBAL_VAR.
6872
6873 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6874
6875         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
6876         check.
6877
6878         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
6879         don't make another one.
6880
6881         PR optimization/15077
6882         * function.h (struct function): Add field saved_static_chain_decl.
6883         Fix comment for static_chain_decl.
6884         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
6885         * tree-inline.h (save_body): Add new arg.
6886         * tree-optimize.c (tree_rest_of_compilation): Handle saving
6887         static_chain_decl.
6888
6889 2004-07-27  Richard Henderson  <rth@redhat.com>
6890
6891         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
6892         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
6893         is_gimple_addressable.
6894         * tree-gimple.c (is_gimple_addressable): Rename from
6895         is_gimple_addr_expr_arg; accept INDIRECT_REF.
6896         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
6897         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
6898         rename to is_gimple_addressable.
6899
6900 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
6901
6902         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
6903
6904 2004-07-27  Richard Henderson  <rth@redhat.com>
6905
6906         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
6907         before rounding.
6908
6909 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
6910
6911         * libgcc2.c: Change all conditionals testing
6912         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
6913         * libgcc2.h: Likewise.
6914         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
6915         TYPE_PRECISION of float80_type to 80.
6916         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
6917         of fpreg_type and float80_type to 80.
6918         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
6919         * config/m68k/netbsd-elf.h:
6920         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
6921         to evaluate to 80 whenever they would formerly have evaluated to 96.
6922         * config/i386/sco5.h: Remove unnecessary redefinition of
6923         LONG_DOUBLE_TYPE_SIZE.
6924         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
6925         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
6926         XFmode, with a bitsize of 80.  Update commentary.
6927         * config/ia64/ia64-modes.def: Likewise.
6928         * config/m68k/m68k-modes.def: Likewise.
6929
6930 2004-07-27  Steven Bosscher  <stevenb@suse.de>
6931
6932         * cfgexpand.c (tree_expand_cfg): Fix comment.
6933
6934         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
6935         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
6936         Remove.
6937         (prepare_function_start): Don't set rtx_equal_function_value_matters.
6938         * integrate.c (copy_rtx_and_substitute): Don't test for it.
6939         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
6940         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
6941         here again.  Update leading comment.
6942         * rtl.c (rtx_equal_function_value_matters): Remove.
6943         (rtx_equal_p): Don't test for it.
6944         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
6945         Likewise.
6946
6947         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
6948         * rtl.c (note_insn_name): Likewise.
6949         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
6950         * final.c (final_scan_insn): Likewise.
6951
6952         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
6953         * passes.c (rest_of_handle_eh): Do it here.
6954
6955         * stmt.c (struct nesting): Remove struct nesting block member.
6956         (struct stmt_status): Remove x_block_start_count field.
6957         (current_block_start_count): Remove.
6958
6959 2004-07-27  Brian Booth  <bbooth@redhat.com>
6960
6961         * tree-optimize.c (register_one_dump_file): Update condition that uses
6962         static_pass_number.
6963         (dup_pass_1): Replace with...
6964         (next_pass_1): This.
6965         (NEXT_PASS): Call next_pass_1.
6966         (DUP_PASS): Remove.
6967         (init_tree_optimization_passes): Remove uses of DUP_PASS.
6968         (execute_one_pass): Update condition that uses
6969         static_pass_number.
6970         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
6971         integer.
6972
6973 2004-07-27  Nick Clifton  <nickc@redhat.com>
6974
6975         * config/m32r/m32r.c: Include integrate.h in order to get the
6976         prototype for get_hard_reg_initial_val().
6977
6978         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
6979         and tidy up indentation.
6980         (final_presence_set): Use absence_set instead, so that if there is
6981         nothing in the "o" pipe the "s" pipe can be scheduled.
6982
6983 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
6984
6985         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
6986         don't have PT_VARS nor PT_MALLOC set.
6987         Clear name tag from pointers that have not been dereferenced.
6988         (set_pt_anything, set_pt_malloc): Forward declare.
6989         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
6990         not type compatibility when determining if a pointer can be
6991         copy propagated.
6992
6993 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
6994
6995         * expr.h (canonicalize_condition, get_condition): Add an int argument.
6996         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
6997         it to check whether the condition is still valid at the jump insn.
6998         * ifcvt.c (noce_get_condition): Likewise.
6999         (noce_get_alt_condition): Update call to canonicalize_condition.
7000         * loop-iv.c (simplify_using_initial_values): Update call to
7001         get_condition.  Remove FIXME.
7002         (check_simple_exit): Update call to get_condition.
7003         * loop-unswitch.c (may_unswitch_on): Likewise.
7004         * loop.c (check_dbra_loop): Likewise.
7005         (canonicalize_condition, get_condition): Add an argument to say whether
7006         the condition must still be valid at INSN.
7007         (get_condition_for_loop): Update call to get_condition.  Require that
7008         the condition be valid at INSN.
7009         * predict.c (estimate_probability): Update call to get_condition.
7010         Remove unused earliest parameter.
7011         (expected_value_to_br_prob): Update call to canonicalize_condition.
7012
7013 2004-07-26  Eric Christopher  <echristo@redhat.com>
7014
7015         * tree-dfa.c (add_referenced_var): Register initializers of global
7016         variables.
7017
7018 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
7019
7020         * config/i386/i386.c (function_arg): Always treat 8-
7021         and 16-byte wide vectors the same, even if MMX/SSE
7022         are disabled.
7023         (contains_128bit_aligned_vector_p): Add comment.
7024
7025 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
7026
7027         * ra.h (enum node_type): Rename to:
7028         (enum ra_node_type).
7029         * ra-colorize.c: Likewise.
7030
7031 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
7032
7033         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
7034         after simplifying the jump.
7035
7036 2004-06-26  Richard Henderson  <rth@redhat.com>
7037
7038         * calls.c (combine_pending_stack_adjustment_and_call): Make
7039         preferred_unit_stack_boundary argument unsigned.  Make
7040         unadjusted_alignment unsigned.
7041         (expand_call): Make preferred_stack_boundary and
7042         preferred_unit_stack_boundary variables unsigned.
7043         * function.c (assign_stack_local_1): Make alignment unsigned.
7044         * function.h (struct function): Make stack_alignment_needed,
7045         preferred_stack_boundary unsigned.
7046         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
7047         (ix86_compute_frame_layout): Make stack_alignment_needed,
7048         preferred_alignment variables unsigned.
7049         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
7050
7051 2004-07-26  Tom Tromey  <tromey@redhat.com>
7052
7053         * tree.h: Fix typo in comment.
7054
7055 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
7056
7057         PR bootstrap/12804
7058         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
7059         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
7060         (ggc_free): Remove incorrect freeing.
7061         (sweep_pages): Advance PP for large pages.  Fix indentation.
7062
7063 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
7064
7065         PR rtl-optimization/16643
7066         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
7067         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
7068         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
7069         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
7070         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
7071         * function.c (thread_prologue_and_epilogue_insns): Likewise.
7072         * rtl.h (tracer): Add a flags parameter.
7073         * tracer.c (tracer): Pass it to cfg_layout_initialise.
7074         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
7075         (rest_of_handle_reorder_blocks): Update calls to tracer and
7076         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
7077         (rest_of_handle_tracer): Pass 0 to tracer.
7078         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
7079
7080 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
7081
7082         PR target/16239
7083         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
7084         f->f.
7085
7086 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
7087
7088         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
7089         (BINFO_BASE_ACCESS): Adjust.
7090         (BINFO_BASE_ACCESS_APPEND): New.
7091         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
7092         * dbxout.c (dbxout_type): Adjust binfo access accessing.
7093         * dwarf2out.c (gen_member_die): Likewise.
7094         * tree-dump.c (deque_and_dump): Likewise.
7095
7096 2004-07-26  Falk Hueffner  <falk@debian.org>
7097
7098         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
7099         costs.
7100
7101 2004-07-25  Roger Sayle  <roger@eyesopen.com>
7102
7103         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
7104         value off of the stack if TARGET_USE_FFREEP.
7105
7106 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
7107
7108         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
7109         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
7110         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
7111         check on invocation of XRESIZEVEC ().
7112
7113 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
7114
7115         * c-common.c (disable_builtin_function): Rename variable n to
7116         new_disabled_builtin.
7117         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
7118         Rename local variable old to old_decl.
7119         * gensupport.c (shift_output_template): Rename parameter old to src.
7120         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
7121         old_rtx and newx to new_rtx.
7122
7123 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
7124
7125         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
7126         of c-pragma.h.
7127         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
7128         enum cpp_ttype.
7129         * c-lex.c: Likewise.
7130
7131 2004-07-25  Roger Sayle  <roger@eyesopen.com>
7132
7133         * fold-const.c (constant_boolean_node): Make extern.
7134         (make_range): Wrap long lines.
7135         (fold_cond_expr_with_comparison): Remove unnecessary call to
7136         pedantic_non_lvalue.  Add missing calls to fold_convert.
7137         (fold_truthop): Add missing calls to fold_convert.
7138         (fold): Likewise.
7139         * tree.h (constant_boolean_node): Add prototype here.
7140         * builtins.c (expand_builtin_strncmp): Add missing calls to
7141         fold_convert.
7142         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
7143         Call fold_convert and constant_boolean_node to correct types.
7144         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
7145         missing call to fold_convert to correct types.
7146
7147 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
7148             Brian Ryner  <bryner@brianryner.com>
7149
7150         PR c++/9283
7151         PR c++/15000
7152         * c-common.c (c_common_attribute_table): Allow
7153         handle_visibility_attribute to be called for types.
7154         (handle_visibility_attribute) When given a type, set the visibility
7155         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
7156         so that we can check later whether the attribute was present. Added
7157         warning if attribute applied to non class type.
7158         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
7159         decls and checking that they are consistent.
7160         * common.opt: Added -fvisibility.
7161         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
7162         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
7163         * flags.h, tree.h: Added assorted support defines for overall patch
7164         * opts.c: Added parsing support for -fvisibility.
7165         * tree.c (build_decl): Set visibility for all decls to be whatever
7166         is in force at that time.
7167         * varasm.c (default_binds_local_p_1): Reworked logic determining
7168         when to make a symbol locally bound.
7169         * doc/invoke.texi: Added documentation for -fvisibility and
7170         -fvisibility-inlines-hidden.
7171
7172 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7173
7174         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
7175         * c-common.c: Add missing casts from void * to other types.
7176         * c-decl.c: Likewise.
7177         * c-format.c: Likewise.
7178         * c-lex.c: Likewise.
7179         * c-pragma.c: Likewise.
7180         * c-typeck.c: Likewise.
7181         * defaults.h: Likewise.
7182         * genconstants.c: Likewise.
7183         * gengtype-lex.l: Likewise.
7184         * genmodes.c: Likewise.
7185         * read-rtl.c: Likewise.
7186         * rtl.c: Likewise.
7187
7188 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7189
7190         * bitmap.c: Use type-safe memory allocation macros from libiberty.
7191         * c-common.c: Likewise.
7192         * c-decl.c: Likewise.
7193         * c-lang.c: Likewise.
7194         * c-lex.c: Likewise.
7195         * c-opts.c: Likewise.
7196         * c-parse.in: Likewise.
7197         * c-typeck.c: Likewise.
7198         * genconditions.c: Likewise.
7199         * gengtype-lex.l: Likewise.
7200         * gengtype-yacc.y: Likewise.
7201         * gengtype.c: Likewise.
7202         * genmodes.c: Likewise.
7203         * gensupport.c: Likewise.
7204         * read-rtl.c: Likewise.
7205         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
7206         htab_find_slot().
7207
7208 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7209
7210         * c-decl.c (groktypename, groktypename_in_param_context): Rename
7211         variable typename to type_name.
7212         * c-lex.c (interpret_float): Likewise.
7213
7214 2004-07-25  Roger Sayle  <roger@eyesopen.com>
7215
7216         * convert.c (convert_to_real, convert_to_integer,
7217         convert_to_complex): Replace calls to build with calls to buildN.
7218         * coverage.c (tree_coverage_counter_ref): Likewise.
7219         * dojump.c (do_jump): Likewise.
7220         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
7221         * emit-rtl.c (component_ref_for_mem_expr,
7222         set_mem_attributes_minus_bitpos): Likewise.
7223         * explow.c (update_nonlocal_goto_save_area): Likewise.
7224         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
7225         expand_mult_add): Likewise.
7226         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
7227         store_constructor, get_inner_reference, expand_expr_real_1,
7228         try_casesi, try_tablejump): Likewise.
7229         * function.c (expand_function_start): Likewise.
7230         * stmt.c (emit_case_bit_tests, expand_end_case_type,
7231         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
7232         * stor-layout.c (place_union_field, layout_type): Likewise.
7233         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
7234         * varasm.c (copy_constant): Likewise.
7235
7236 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7237
7238         * c-common.c: Rename all identifiers named `new'.
7239         * c-decl.c: Likewise.
7240         * gensupport.c: Likewise.
7241         * simplify-rtx.c: Likewise.
7242         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
7243         with XNEW().
7244         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
7245         with XNEWVEC().
7246
7247 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
7248
7249         PR c/15360
7250         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
7251         declarations until after calling pushdecl.
7252         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
7253         "extern" and not on whether the declaration is initialized.
7254
7255 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
7256
7257         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
7258         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
7259         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
7260         "cpplib.h", "c-pragma.h", "c-common.h".
7261         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
7262         (solaris_register_pragmas): New functions.
7263         * config/sol2-protos.h: New file.
7264         * config/sol2.c: New file.
7265         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
7266         (REGISTER_TARGET_PRAGMAS): New macros.
7267         (solaris_pending_aligns, solaris_pending_inits)
7268         (solaris_pending_finis): New variables.
7269         * config/t-sol2 (sol2-c.o): Update dependencies.
7270         (sol2.o): New rule.
7271         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
7272         SUBTARGET_INSERT_ATTRIBUTES.
7273         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
7274         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
7275         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
7276         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
7277         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
7278         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
7279         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
7280         * config/sparc/sparc.c (sparc_attribute_table): New.
7281         (TARGET_INSERT_ATTRIBUTES): Define in terms of
7282         SUBTARGET_INSERT_ATTRIBUTES.
7283         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
7284         is defined.
7285         * doc/extend.texi (Solaris Pragmas): New section.
7286
7287 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7288
7289         * c-common.c: Rename all identifiers named `class' to `cl'.
7290         * c-common.h: Likewise.
7291         * c-parse.in: Likewise.
7292         * c-typeck.c: Likewise.
7293         * genmodes.c: Likewise.
7294         * real.c: Likewise.
7295         * real.h: Likewise.
7296         * recog.c: Likewise.
7297         * recog.h: Likewise.
7298         * regrename.c: Likewise.
7299         * tree.h: Likewise.
7300         * c-common.c (builtin_function_2): Change type of 5th parameter from
7301         int to enum built_in_function. Change type of 8th parameter from int
7302         to bool.
7303         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
7304         with GGC_CNEW().
7305         * c-typeck.c (convert_arguments): Change type of formal_prec from
7306         int to unsigned int.
7307         * genmodes.c (blank_mode): Make a few negative constants unsigned.
7308         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
7309         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
7310         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
7311         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
7312         iterator to for_all_modes () instead of an enum because enums can't
7313         be incremented in C++.
7314
7315
7316 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
7317
7318         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
7319         hard registers.
7320
7321 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7322
7323         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
7324         Handle ARRAY_RANGE_REF like ARRAY_REF.
7325
7326 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
7327
7328         * c-typeck.c (digest_init): Don't allow arrays of signed or
7329         unsigned variants of wchar_t to be initialized by wide string
7330         constants.  Do allow arrays of enumerated types compatible with
7331         wchar_t to be initialized by wide string constants.  Refine tests
7332         distinguishing wide and narrow strings and arrays.  Give specific
7333         error for arrays of other integer types initialized by string
7334         constants.
7335         (output_init_element, process_init_element): Check for
7336         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
7337         initializing with string constants.
7338
7339 2004-07-25  Richard Henderson  <rth@redhat.com>
7340
7341         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
7342         on the RESULT_DECL.
7343         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
7344         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
7345         DECL_IGNORED_P to new decl.
7346
7347 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
7348
7349         * config/ia64/ia64.c (general_xfmode_operand)
7350         (destination_xfmode_operand): Delete.
7351         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
7352         * config/ia64/ia64.md (*movxf_internal): Use general_operand
7353         and destination_operand.
7354
7355 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7356
7357         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
7358         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
7359
7360 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7361             Zack Weinberg  <zack@codesourcery.com
7362
7363         PR 16684
7364         * c-decl.c (diagnose_mismatched_decls): Don't issue a
7365         redundant-declaration warning the first time a builtin is
7366         declared explicitly.
7367
7368 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7369
7370         * tree.h (staticp): Change return type to bool.
7371
7372 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7373
7374         * c-common.c (c_staticp): Last episode of the staticp saga.
7375
7376 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7377
7378         * c-common.h (c_staticp): Change return type from int to bool.
7379         * tree.c (staticp): Likewise.
7380         * langhooks.h (staticp): Likewise.
7381
7382 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7383
7384         * langhooks-def.h (lhd_staticp): Change return type from int to
7385         bool in prototype to match definition.
7386
7387 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7388
7389         * system.h (bool, true, false): Don't redefine as preprocessor macros
7390         in C++.
7391
7392 2004-07-24  Roger Sayle  <roger@eyesopen.com>
7393
7394         * expmed.c (init_expmed): A signed modulus by a power of two is
7395         considered cheap if its less than or equal to four instructions.
7396
7397 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7398
7399         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
7400         GGC_CNEWVAR): New macros.
7401
7402 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7403
7404         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
7405         lists.
7406         * c-decl.c: Likewise.
7407         * c-format.c: Likewise.
7408         * c-lex.c: Likewise.
7409         * c-opts.c: Likewise.
7410         * c-pragma.c: Likewise.
7411         * c-typeck.c: Likewise.
7412         * gencheck.c: Likewise.
7413         * genconditions.c: Likewise.
7414         * genconfig.c: Likewise.
7415         * genflags.c: Likewise.
7416         * gengtype.c: Likewise.
7417         * gensupport.c: Likewise.
7418         * ggc-none.c: Likewise.
7419         * langhooks.c: Likewise.
7420         * statistics.h: Likewise.
7421         * stub-objc.c: Likewise.
7422         * java/decl.c: Likewise.
7423
7424 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
7425
7426         * config/m68k/m68k.c (output_scc_di): Fix coding style.
7427         (symbolic_operand): Fix prototype.
7428         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
7429         * config/m68k/m68k.md: Add constants for registers a0 and sp and
7430         use them, change from the "{...}" syntax to the simpler {...}
7431         syntax.
7432         (*cfv4_extendqisi2): Fix destination predicate.
7433         * config/m68k/m68k-protos.h: Remove various declarations also
7434         generated via PREDICATE_CODES.
7435
7436 2004-07-23  Mike Stump  <mrs@apple.com>
7437
7438         * c-typeck.c (convert_for_assignment): Tightened up pointer
7439         converstions that differ in signedness.
7440
7441 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7442
7443         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
7444
7445 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7446
7447         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
7448         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
7449
7450         * gimplify.c (gimplify_compound_lval): Check for no handled
7451         operations, rather than checking for explicit list of nodes.
7452         (is_gimple_addr_expr_arg_or_indirect): New function.
7453         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
7454         redundant setting of TREE_INVARIANT.
7455         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
7456         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
7457
7458 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
7459
7460         PR tree-optimization/16688
7461         PR tree-optimization/16689
7462         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
7463         unnecessary initialization of 'tag'.
7464         (get_tmt_for): Check that the new type tag has the same alias
7465         set as the pointed-to type.
7466         (group_aliases): Only regular variables need to be removed
7467         from the alias set of a name tag.
7468         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
7469         propagation if the two types are not compatible.
7470         (merge_alias_info): Rename from replace_ssa_names_ann.
7471         Add more checking.
7472         (replace_exp_1): If both arguments are SSA_NAMEs, check that
7473         the propagation can be done.
7474         Only call merge_alias_info on pointers.
7475         (propagate_value): Likewise.
7476         * tree-ssa-copyrename.c: Include langhooks.h.
7477         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
7478         to do the merging.
7479         Do not coalesce variables with incompatible types.
7480         (rename_ssa_copies): Call replace_ssa_name_symbol.
7481         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
7482         the same type as the underlying _DECL.
7483         * tree-ssanames.c (replace_ssa_name_symbol): New function.
7484         * tree.h (replace_ssa_name_symbol): Declare.
7485
7486 2004-07-23  Richard Henderson  <rth@redhat.com>
7487
7488         PR c++/16277
7489         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
7490         unshare it properly.
7491         (gimplify_modify_expr_rhs): Push assignment from a conditional into
7492         the conditional for all non-register types.
7493
7494 2004-07-23  Richard Henderson  <rth@redhat.com>
7495
7496         * expr.c (expand_expr_real_1): Don't handle non-local variables.
7497         * expr.h (fix_lexical_addr): Remove.
7498         * function.c (NEED_SEPARATE_AP): Remove.
7499         (fix_lexical_addr): Remove.
7500         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
7501         not null decl_function_context.
7502         (create_alias_vars): Likewise.
7503         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
7504         (simple_goto_p): Likewise.
7505         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
7506         * tree-ssa-ccp.c (get_default_value): Likewise.
7507         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
7508         * tree.c (needs_to_live_in_memory): Likewise.
7509         * tree-flow-inline.h (may_be_aliased): Move...
7510         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
7511         when TREE_STATIC variables may be addressable.
7512
7513 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
7514
7515         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
7516
7517 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7518
7519         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
7520         bitmap contents if GENERATOR_FILE is defined.
7521         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
7522         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
7523
7524 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
7525
7526         * c-decl.c (start_function): Form composite type of function types
7527         rather than copying type from previous prototype declaration.
7528
7529 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
7530
7531         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
7532         the const qualifier for the second argument in the C++ functions.
7533
7534         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
7535         specific pointer types.
7536
7537         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
7538         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
7539         for vector bool and/or vector pixel, add C++ and C missing support.
7540         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
7541         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
7542         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
7543         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
7544         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
7545         missing C++ and C support for vector bool and/or vector pixel.
7546         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
7547         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
7548         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
7549         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
7550         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
7551         C++ and C types used for vector bool and/or vector pixel.
7552         (vec_st, vec_stl): Add C++ support for vector pixel.
7553         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
7554         (vec_all_ne): Add C++ support for vector pixel.
7555
7556         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
7557         (vec_vmulesb): Add missing C++ function.
7558         (vec_perm): Fix type of third argument in C++ function.
7559         (vec_vsum4shs): Fix C++ function name.
7560         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
7561         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
7562         argument passed to the error handler in C macro.
7563         (vec_nmsub): Remove extra parens around argument names in C macro.
7564         (vec_packpx): Add missing parens in C macro.
7565
7566 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7567
7568         * machmode.def: Remove vector modes.
7569         * config/alpha/alpha-modes.def: Add supported vector modes.
7570         * config/arm/arm-modes.def: Likewise.
7571         * config/frv/frv-modes.def: Likewise.
7572         * config/i386/i386-modes.def: Likewise.
7573         * config/rs6000/rs6000-modes.def: Likewise.
7574         * config/sh/sh-modes.def: Likewise.
7575
7576 2004-07-23  Matthias Klose  <doko@debian.org>
7577
7578         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
7579         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
7580         * config.h: Regenerate.
7581         * configure: Likewise.
7582
7583 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
7584
7585         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
7586         generated SYMBOL_REFs for labels.
7587         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
7588         Change prototype.
7589         (machopic_stub_name): Remove.
7590         (machopic_indirection_name): New function.
7591         (machopic_mcount_stub_name): Likewise.
7592         (machopic_classify_name): Remove.
7593         (machopic_function_base_sym): New function.
7594         (machpoic_classify_symbol): Likewise.
7595         (machopic_classify_ident): Remove.
7596         (machopic_define_ident): Likewise.
7597         (machopic_define_name): Likewise.
7598         (machopic_name_defined_p): Likewise.
7599         (machopic_ident_defined_p): Likewise.
7600         (darwin_strip_name_encoding): Likewise.
7601         (machopic_define_symbol): New function.
7602         * config/darwin.c (hashtab.h): Include.
7603         (machopic_defined_list): Remove.
7604         (machopic_classify_ident): Likewise.
7605         (machopic_classify_name): Likewise.
7606         (machopic_ident_defined_p): Likewise.
7607         (machopic_define_ident): Likewise.
7608         (machopic_define_name): Likewise.
7609         (machopic_symbol_defined_p): New function.
7610         (machopic_classify_symbol): Likewise.
7611         (machopic_data_defined_p): Use machopic_classify_symbol.
7612         (machopic_define_symbol): New function.
7613         (machopic_function_base_sym): New function.
7614         (machopic_non_lazy_pointers): Remove.
7615         (machopic_non_lazy_ptr_name): Likewise.
7616         (machopic_stubs): Likewise.
7617         (machopic_stub_name): Likewise.
7618         (NON_LAZY_POINTER_SUFFIX): New macro.
7619         (STUB_SUFFIX): Likewise.
7620         (machopic_indirection): New structure.
7621         (machopic_indirections): New variable.
7622         (machopic_indirection_hash): New function.
7623         (machopic_indirection_eq): Likewise.
7624         (machopic_indirection_name): Likewise.
7625         (machopic_mcount_stub_name): New function.
7626         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
7627         hash table.
7628         (machopic_indirect_data_reference): Rework to use new functions.
7629         (machopic_indirect_call_target): Likewise.
7630         (machopic_legitimize_pic_address): Likewise.
7631         (machopic_output_indirection): New function.
7632         (machopic_finish): Use it.
7633         (machopic_operand_p): Rework to use new functions.
7634         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
7635         (darwin_strip_name_encoding): Remove.
7636         (update_non_lazy_ptrs): Remove.
7637         (update_stubs): Likewise.
7638         (darwin_non_lazy_pcrel): Use new functions.
7639         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
7640         (ASM_OUTPUT_LABELREF): Likewise.
7641         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7642         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
7643         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
7644         (TARGET_STRIP_NAME_ENCODING): Do not use
7645         darwin_strip_name_encoding.
7646         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
7647         darwin_strip_name_encoding.
7648         * config/i386/darwin.h (FUNCTION_PROFILER): Use
7649         machopic_mcount_stub_name.
7650         * config/i386/i386.c (x86_output_mi_thunk): Use
7651         machopic_indirection_name, not machopic_stub_name.
7652         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
7653         machopic_function_base_sym.
7654         (print_operand): Use machopic_classify_symbol.
7655         (rs6000_emit_prologue): Use machopic_function_base_sym.
7656         (output_profile_hook): Do not use machopic_stub_name.
7657         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
7658
7659 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7660
7661         PR c/7284
7662         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
7663         as multiplication.
7664
7665 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7666
7667         * doc/implement-c.texi: New file.
7668         * doc/extend.texi (C Implementation): Move to there.
7669         * doc/gcc.texi: Include implement-c.texi.
7670         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
7671
7672 2004-07-22  Jason Merrill  <jason@redhat.com>
7673
7674         * integrate.c (copy_decl_for_inlining): Remove invisible reference
7675         handling.
7676         * tree-inline.c (setup_one_parameter): Likewise.
7677
7678 2004-07-22  Brian Booth  <bbooth@redhat.com>
7679
7680         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
7681         (substitute_and_fold): Propigate into VUSE operands when possible.
7682         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
7683         (cp_lattice_meet): Handle merging of latticevalues when
7684         UNKNOWN_VAL is present.
7685         (visit_stmt): Visit assignments with V_MUST_DEFs.
7686         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
7687         (ccp_fold): Deal with RHS' that are constant and virtual.
7688         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
7689         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
7690         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
7691         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
7692         computing immediate uses.
7693         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
7694         transition.
7695         (replace_vuse_in): New function.
7696         (likely_value): Add check of vuse operands.
7697         (get_default_value): Set the default value of virtually defined
7698         variables to UKNOWN_VAL instead of VARYING.
7699
7700 2004-07-22  Richard Henderson  <rth@redhat.com>
7701
7702         * expr.c (emit_push_insn): Don't use set_mem_attributes.
7703
7704 2004-07-22  Richard Henderson  <rth@redhat.com>
7705
7706         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
7707         variables due to conditional compilation.
7708
7709 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7710
7711         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
7712         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
7713         Release SSA names that have been re-renamed.
7714         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
7715         variable.
7716         * tree-ssa-alias.c (init_alias_info): If aliases have been
7717         computed before, clear existing alias information.
7718         (create_name_tags): Do no fixup PT_ANYTHING pointers.
7719         If the new name tag for a pointer is different than the one it
7720         had before, mark the old tag for renaming.
7721         (replace_may_alias): New function.
7722         (group_aliases): Call it.
7723         (setup_pointers_and_addressables): Always call get_tmt_for.
7724         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
7725         once.
7726         (set_pt_anything): New local function.
7727         (set_pt_malloc): New local function.
7728         (merge_pointed_to_info): Don't merge pointed-to variables from
7729         the original pointer if the destination is pointing to an
7730         unknown location.
7731         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
7732         (add_pointed_to_var): Do not add a variable to the points-to
7733         set if the pointer is already pointing to anywhere.
7734         (collect_points_to_info_r): If the defining statement is a PHI
7735         node, only merge pointed-to information if the argument has
7736         already been visited.
7737         (get_tmt_for): Only create a new tag if the pointer didn't
7738         have one already.
7739         (dump_alias_info): Emit more information.
7740         (dump_points_to_info_for): Likewise.
7741         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
7742         try to get the annotation of an SSA_NAME.
7743         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
7744         alias sets when checking is enabled.
7745         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
7746         (eliminate): Mark basic blocks that will need
7747         EH information cleaned up.
7748         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
7749         predecessor.
7750         Initialize need_eh_cleanup.
7751         (fini_pre): Call tree_purge_all_dead_eh_edges and
7752         cleanup_tree_cfg if needed.
7753         Free need_eh_cleanup.
7754         * tree-ssa.c (verify_ssa_name): New function.
7755         (verify_def): Call it.
7756         Re-arrange to avoid printing too many error messages.
7757         (verify_use): Likewise.
7758         (verify_phi_args): Likewise.
7759         (verify_flow_insensitive_alias_info): New function.
7760         (verify_flow_sensitive_alias_info): New function.
7761         (verify_alias_info): New function.
7762         (verify_ssa): Call verify_alias_info.
7763         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
7764         program.
7765         Re-arrange to avoid printing too many error messages.
7766         * tree-ssanames.c (make_ssa_name): Clear
7767         SSA_NAME_IN_FREE_LIST.
7768         (release_ssa_name): Never release a default definition.
7769         (release_defs): New function.
7770         * tree.h: Declare it.
7771         * tree-ssa-dce.c (remove_dead_stmt): Call it.
7772
7773 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7774
7775         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
7776         If true, do a depth-first search.  Do a breadht-first search,
7777         otherwise.
7778         (walk_use_def_chains): Add new argument IS_DFS.
7779         Update all users.
7780         * tree-flow.h (walk_use_def_chains): Update prototype.
7781
7782 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
7783
7784         * config/cris/cris.md: Tweak formatting.
7785         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
7786         (mover2side, moverside, movemside, movei, op3, andu): Replace
7787         live define_peephole:s with define_peephole2 near-equivalents.
7788         Delete the rest.
7789         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
7790         word-size modes.
7791         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
7792         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
7793         "*mov_sidesi_mem" respectively.
7794
7795 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7796
7797         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
7798         (gimplify_build1): Move from tree-complex.c do_unop.
7799         (gimplify_build2): Move from tree-complex.c do_binop.
7800         (gimplify_build3): New.
7801         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
7802         Adjust throughout to call the functions above.
7803         * tree-flow.h: Declare the functions above.
7804         * tree-nested.c (gimplify_val): Rename to...
7805         (tsi_gimplify_val): ... this.
7806
7807         * Makefile.in (tree_complex.o): Update dependencies.
7808         (stor-layout.o): Depend on regs.h.
7809         * c-common.c (handle_vector_size_attribute): Update for
7810         vector types without corresponding vector modes.
7811         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
7812         a corresponding vector mode is not available.
7813         * print-tree.c (print_node): Print nunits for vector types
7814         * regclass.c (have_regs_of_mode): New.
7815         (init_reg_sets_1): Initialize it and use it instead
7816         of allocatable_regs_of_mode.
7817         * regs.h (have_regs_of_mode): Declare it.
7818         * stor-layout.c (layout_type): Pick a mode for vector types.
7819         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
7820         build_replicated_const, do_unop, do_binop, do_plus_minus,
7821         do_negate, expand_vector_piecewise, expand_vector_parallel,
7822         expand_vector_addition, expand_vector_operations_1,
7823         expand_vector_operations, tree_lower_operations,
7824         pass_lower_vector_ssa, pass_pre_expand): New.
7825         (expand_complex_operations, pass_lower_complex): Remove.
7826         * tree-optimize.c (init_tree_optimization_passes): Adjust
7827         pass ordering for changes in tree-complex.c.
7828         * tree-pass.h: Declare new passes.
7829         * tree.c (finish_vector_type): Remove.
7830         (make_vector_type): New.
7831         (build_vector_type_for_mode, build_vector_type): Rewritten.
7832         * tree.def (VECTOR_TYPE): Document where the number of
7833         subparts is stored.
7834         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
7835         (make_vector): Remove declaration.
7836
7837 2004-07-21  Richard Henderson  <rth@redhat.com>
7838
7839         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
7840         TREE_THIS_VOLATILE, may_aliases, or optimization level.
7841         (remove_useless_vars): Dump debugging info.
7842         (expand_used_vars): Move ...
7843         * cfgexpand.c (expand_used_vars): ... here.  Make static.
7844         * tree-flow-inline.h (set_is_used): New.
7845         (set_default_def): Use get_var_ann.
7846         * tree-flow.h: Update decls.
7847         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
7848         (create_ssa_var_map): Use it.
7849         * tree-ssa.c (set_is_used): Remove.
7850
7851 2004-07-22  Ben Elliston  <bje@au.ibm.com>
7852
7853         * gdbinit.in: Set a breakpoint on internal_error.
7854
7855 2004-07-21  Richard Henderson  <rth@redhat.com>
7856
7857         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
7858         to create a new basic block.
7859
7860 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7861
7862         PR c/15052
7863         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
7864         return type on function definitions.  Move other warnings for
7865         qualified return type to -Wreturn-type.  Do not condition any such
7866         warnings on -pedantic.  Update comments.
7867         (start_function): Only copy function type from previous prototype
7868         declaration if return types are compatible.
7869         * c-typeck.c (function_types_compatible_p): Don't condition
7870         warning for incompatibility of volatile qualifiers on the return
7871         type on -pedantic.  Update comment.
7872         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
7873
7874 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7875
7876         * c-typeck.c (set_init_index): Require designator to be of integer
7877         type.
7878
7879 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7880
7881         PR c/11250
7882         * c-parse.in (init): Change to exprtype.
7883         (primary): Set original_code for STRING to STRING_CST.
7884         Call maybe_warn_string_init for compound literals.
7885         (initdcl, notype_initdcl): Call maybe_warn_string_init.
7886         (initval): Update.
7887         * c-tree.h (maybe_warn_string_init): New.
7888         (pop_init_level, process_init_element): Use struct c_expr.
7889         (struct c_expr): Update comment.
7890         * c-typeck.c (maybe_warn_string_init): New function.
7891         (digest_init): Call it.  Additional parameter strict_string.  All
7892         callers changed.
7893         (output_init_element): Likewise.
7894         (struct constructor_stack): Use struct c_expr for
7895         replacement_value.
7896         (really_start_incremental_init, push_init_level): Update.
7897         (pop_init_level): Update.  Return struct c_expr.
7898         (process_init_level): Update.  Take struct c_expr argument.
7899
7900 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
7901
7902         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
7903         commit.
7904
7905 2004-07-21  Eric Christopher  <echristo@redhat.com>
7906
7907         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
7908         removal.
7909         * c-decl.c (pop_scope): Ditto.
7910         * calls.c (expand_call): Remove call to current_nesting_level,
7911         update comment accordingly. Remove calls to expand_start_target_temps
7912         and expand_end_target_temps.
7913         * cfgexpand.c (construct_init_block): Remove call to
7914         expand_start_bindings_and_block.
7915         (construct_exit_block): Remove call to expand_end_bindings.
7916         * expr.c (safe_from_p): Remove BIND_EXPR handling.
7917         (expand_expr_real_1): Ditto. Fix formatting.
7918         (expand_vars): Delete.
7919         * stmt.c (POPSTACK): Remove block_stack.
7920         (stmt_status): Remove x_block_stack.
7921         (block_stack): Delete.
7922         (expand_start_bindings_and_block): Ditto.
7923         (expand_start_target_temps): Ditto.
7924         (expand_end_target_temps): Ditto.
7925         (current_nesting_level): Ditto.
7926         (warn_about_unused_variables): Ditto.
7927         (expand_end_bindings): Ditto.
7928         * tree.h: Remove declarations for above.
7929
7930 2004-07-21  Steven Bosscher  <stevenb@suse.de>
7931
7932         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
7933         * rtl.c (note_insn_name): Likewise.
7934         * print-rtl.c (print_rtx): Don't print it.
7935         * cfgrtl.h (can_delete_note_p): Don't handle it.
7936         (rtl_delete_block): Likewise.
7937         * passes.c (rest_of_handle_guess_branch_prob): Remove.
7938         (rest_of_compilation): Don't call it.
7939         * predict.c (process_note_predictions, process_note_prediction,
7940         note_prediction_to_br_prob): Remove.
7941         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
7942         * stmt.c (return_prediction): Remove.
7943         (expand_value_return): Don't call it.  Don't add prediction
7944         notes for return statements.
7945
7946 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
7947
7948         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
7949         once.
7950
7951 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
7952
7953         * c-common.c (vector_types_convertible_p): Use vector types'
7954         TYPE_SIZE and TREE_TYPE instead of their mode.
7955         * convert.c (convert_to_integer): Likewise.
7956         (convert_to_vector): Likewise.
7957         * fold-const.c (fold_convert): Likewise.
7958         * varasm.c (output_constant): Likewise.
7959         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
7960         Allow a VECTOR_TYPE initializer to be made of several vectors.
7961         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
7962         of cleared and need_to_clear, and use fold_convert.
7963         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
7964         integer vectors.
7965
7966 2004-07-20  Richard Henderson  <rth@redhat.com>
7967
7968         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
7969         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
7970
7971 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
7972
7973         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
7974         enormous cost if not TARGET_HARD_MUL.
7975
7976 2004-07-20  Andrew Pinski  <apinski@apple.com>
7977
7978         PR target/16557
7979         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
7980         (ASM_SPEC): here.
7981
7982 2004-07-21  Paul brook  <paul@codesourcery.com>
7983
7984         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
7985
7986 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7987
7988         * fold-const.c (operand_equal_p): Temporarily support NULL args.
7989         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
7990         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
7991
7992 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
7993
7994         * rtl.h (plus_constant): Delete.
7995         (plus_constant_wide): Rename to plus_constant.
7996         (plus_constant_for_output_wide): Delete vestigial prototype.
7997         (GEN_INT): Remove unnecessary cast.
7998         * tree.h (build_int_2, size_int_type): Delete.
7999         (build_int_2_wide): Rename to build_int_2.
8000         (size_int_wide): Rename to size_int_kind.
8001         (size_int_type_wide): Rename to size_int_type.
8002         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
8003         Remove unnecessary cast.
8004         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
8005         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
8006         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
8007         (size_int_type_wide): Rename size_int_type.
8008         (int_const_binop): Use size_int_type.
8009         * c-lex.c (interpret_integer): Use build_int_2.
8010         * final.c (split_double): Remove unnecessary casts.
8011         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
8012
8013 2004-07-20  Richard Henderson  <rth@redhat.com>
8014
8015         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
8016         (gimplify_compound_lval): Use is_gimple_tmp_reg.
8017         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
8018         (is_gimple_tmp_reg): New.
8019         * tree-gimple.h (is_gimple_tmp_reg): Declare.
8020
8021 2004-07-20  Richard Henderson  <rth@redhat.com>
8022
8023         * tree-pretty-print.c (dump_generic_node): Dump
8024         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
8025
8026 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
8027
8028         * tree-mudflap.c (mf_set_options_fndecl): New tree.
8029         (mudflap_init): Set it.
8030         (mudflap_register_call): Remove __mf_init call.
8031         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
8032         to pass "-ignore-reads" option to libmudflap if needed.
8033
8034 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
8035
8036         PR c++/14607
8037         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
8038         (MAKE_DECL_ONE_ONLY): Undefine.
8039         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
8040         readonly_data, one_only_data_section, forget_section): New prototypes.
8041         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
8042         functions.
8043         (pa_select_section): Add one-only (COMDAT) support.
8044         * pa.h (struct machine_function): Define.
8045         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
8046         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
8047         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
8048         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
8049         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
8050         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
8051         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
8052         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
8053         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
8054         for EXTRA_SECTION_FUNCTIONS.
8055         * doc/install.texi: Update binutils requirements.
8056
8057 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
8058
8059         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
8060         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
8061         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
8062         size_t.
8063         (struct VEC): Use unsigned for num and alloc.
8064         * vec.c (struct vec_prefix): Likewise.
8065         (vec_o_reserve): Adjust.
8066
8067         * dbxout.c (dbxout_type): Fix printf format.
8068
8069         * tree.h (binfo_member): Remove.
8070         * tree.c (binfo_member): Remove.
8071
8072 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
8073
8074         * tree.h: Include vec.h
8075         (DEF_VEC_P(tree)): New type.
8076         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
8077         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
8078         (BINFO_LANG_SLOT): Remove.
8079         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
8080         (struct tree_binfo): Turn base_binfos into a trailing
8081         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
8082         (binfo_lang_slots): Remove.
8083         * tree.c (binfo_lang_slots): Remove.
8084         (make_tree_binfo_stat): Take a base binfo count, not a
8085         lang slot count.  Adjust.
8086         * Makefile.in (TREE_H): Add vec.h
8087         * alias.c (record_component_aliases): Adjust BINFO access.
8088         * dbxout.c (dbxout_type): Likewise.
8089         * dwarf2out.c (gen_member_die): Likewise.
8090         * sdbout.c (sdbout_one_type): Likewise.
8091         * tree-dump.c (deque_and_dump): Likewise.
8092         * config/i386/i386.c (classify_argument,
8093         contains_128bit_aligned_vector_p): Likewise.
8094         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
8095         * doc/c-tree.texi (Classes): Update BINFO documentation.
8096
8097 2004-07-20  Steven Bosscher  <stevenb@suse.de>
8098
8099         * c-common.h (check_case_value): Remove prototype.
8100         (c_add_case_label): Adjust prototype.
8101         * c-common.c (check_case_value): Make static.
8102         (check_case_bounds): New function.
8103         (c_add_case_label): Use it.  Take new argument orig_type.
8104         * c-typeck.c (struct c_switch): New orig_type field.
8105         (c_start_case): Set it.
8106         (do_case): Pass it to c_add_case_label.
8107         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
8108         cases from here.  Add the labels in reverse order.
8109         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
8110         (add_case_node): Return nothing, don't check for duplicate cases.
8111         Insert new case nodes in a list, not in an AVL tree.
8112         (expand_end_case_type): Don't turn a case tree into a case list.
8113         (case_tree2list): Remove.
8114         * tree.h (add_case_node): Adjust prototype.
8115
8116 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
8117
8118         * genattr.c (struct range, struct function_unit,
8119         write_units, extend_range, init_range): Remove them.
8120         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
8121         Output "#define INSN_SCHEDULING" here.
8122         * genattrtab.c (struct range, struct function_unit_op,
8123         struct function_unit, struct dimension, enum operator,
8124         operate_exp, expand_units, simplify_knowing,
8125         encode_units_mask, simplify_by_exploding,
8126         find_and_mark_used_attributes, unmark_used_attributes,
8127         add_values_to_cover, increment_current_value,
8128         test_for_current_value, simplify_with_current_value,
8129         simplify_with_current_value_aux, gen_unit,
8130         write_unit_name, write_function_unit_info,
8131         write_complex_function, write_toplevel_expr,
8132         find_single_value, extend_range): Remove.
8133         (write_attr_get): Do not handle common_av->value
8134         being an FFS.
8135         (struct attr_desc): Remove func_units_p and blockage_p.
8136         (write_attr_valueq): Do not handle them.
8137         (find_attr): Do not clear them.
8138         (make_internal_attr): Do not initialize them.
8139         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
8140         * sched-vis.c (init_target_units, insn_print_units,
8141         init_block_visualization, print_block_visualization,
8142         visualize_scheduled_insns, visualize_no_unit,
8143         visualize_stall_cycles, visualize_alloc,
8144         visualize_free, target_units, get_visual_tbl_length,
8145         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
8146         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
8147         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
8148         * haifa-sched.c (blockage_range, clear_units,
8149         schedule_unit, actual_hazard, potential_hazard,
8150         insn_unit, unit_last_insn, unit_tick,
8151         actual_hazard_this_instance, potential_hazard,
8152         schedule_unit, max_insn_queue_index_value): Remove.
8153         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
8154         max_insn_queue_index.
8155         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
8156         * doc/md.texi (Processor pipeline description): Remove
8157         references to old pipeline descriptions.
8158         (Automaton pipeline description): Merge with the above.
8159         (Old pipeline description, Comparison of the two descriptions):
8160         Remove.
8161
8162         * bt-load.c (migrate_btr_def): Remove references to
8163         use_pipeline_interface.
8164         * haifa-sched.c (insn_cost, schedule_insn,
8165         schedule_block, advance_one_cycle, sched_init,
8166         queue_to_ready, sched_finish): Likewise.
8167         * modulo-sched.c (sms_schedule, advance_one_cycle,
8168         ps_has_conflicts): Likewise.
8169         * sched-rgn.c (init_ready): Likewise.
8170         (debug_dependencies): Likewise, and remove an "if (1)".
8171         * target.h (use_dfa_pipeline_interface): Remove.
8172         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8173         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8174         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8175         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8176         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8177         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8178         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8179         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8180         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8181         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8182         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8183         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8184         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8185         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8186         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8187         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8188         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8189         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8190         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8191
8192 2004-07-19  Roger Sayle  <roger@eyesopen.com>
8193
8194         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
8195
8196 2004-07-19  Jeff Law  <law@redhat.com>
8197
8198         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
8199         (get_eq_expr_value): Use it.  Simplify slightly.
8200
8201 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
8202
8203         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
8204         (umulsidi3_32bit_r4000): Likewise.
8205
8206 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
8207
8208         * vec.h: Propagate location information properly.
8209         (VEC_T_iterate): Add result pointer parameter.
8210         (VEC_T_space): New.
8211         (VEC_T_reserve): Use it.
8212
8213 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
8214
8215         * Makefile.in (c-format.o): Depend on c-format.h.
8216         * c-format.h: New file.
8217         (struct format_char_info): Add CHAIN member.
8218         * c-format.c: Move some types and constants to c-format.h.
8219         (format_type_error): Set to -1.
8220         (struct function_format_info): Use an int for format_type.
8221         (decode_format_type): Return an int.  Return format_type_error
8222         on error.
8223         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
8224         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
8225         (scan_char_table, time_char_table, monetary_char_table): Initialize
8226         CHAIN to NULL.
8227         (n_format_types): New variable.
8228         (check_format_info_main): Handle CHAIN in format_char_info.
8229         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
8230         TARGET_N_FORMAT_TYPES.
8231         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
8232         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
8233         * config/sol2-c.c: New file.
8234         * config/t-sol2: New file.
8235         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
8236         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
8237         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
8238
8239         * doc/extend.texi (Target Format Checks): New section.
8240         (Function Attributes): Mention it.
8241         * doc/invoke.texi: Mention target format checks.
8242         * doc/sourcebuild.texi: Mention target format checks.
8243         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
8244         TARGET_FORMAT_TYPES.
8245
8246 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
8247
8248         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
8249         added.
8250         * config/s390/s390.c (regclass_map initializer): Register 35 added to
8251         ADDR_REGS.
8252         (load_multiple_operation, store_multiple_operation): Removed
8253         pointless sanity check.
8254         (s390_decompose_address): Added check for return_address_pointer_rtx.
8255         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
8256         (s390_return_address_offset): New function.
8257         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
8258         (FRAME_REGNO_P): Added check for register 35.
8259         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
8260         REG_ALLOC_ORDER): Appended entry for register 35.
8261         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
8262         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
8263         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
8264         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
8265         is eliminable using stack pointer or hard frame pointer.
8266         (REGISTER_NAMES): Added name for register 35.
8267         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
8268         pointless sanity check.
8269
8270 2004-07-19  Roger Sayle  <roger@eyesopen.com>
8271
8272         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
8273         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
8274         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
8275         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
8276         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
8277         (fold_relational_const): Tidy up handling of floating point
8278         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
8279         transformation; fold_relational_const assumes constant operands.
8280
8281 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
8282
8283         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
8284         directory.
8285
8286 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
8287
8288         * c-tree.h (struct c_expr): Define.
8289         (C_SET_EXP_ORIGINAL_CODE): Remove.
8290         (parser_build_binary_op, build_compound_expr): Update prototypes.
8291         * c-parse.in (%union): Add exprtype.
8292         (FUNC_NAME): Mark as ttype.
8293         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
8294         exprtype.
8295         (expr): Update.  Define directly in terms of expr_no_commas
8296         instead of using nonnull_exprlist.
8297         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
8298         offsetof_member_designator, typespec_nonreserved_nonattr, init,
8299         initval, designator, component_declarator,
8300         component_notype_declarator, enumerator, array_declarator,
8301         condition, exexpr, switch_statement, stmt_nocomp, stmt,
8302         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
8303         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
8304         where appropriate.
8305         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
8306         * c-common.c (c_common_truthvalue_conversion): Don't check
8307         C_EXP_ORIGINAL_CODE.
8308         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
8309         Don't use C_EXP_ORIGINAL_CODE.
8310         (default_conversion, default_function_array_conversion): Don't use
8311         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
8312         (internal_build_compound_expr): Merge into build_compound_expr.
8313         (build_compound_expr): Take two operands instead of a TREE_LIST.
8314         * objc/objc-act.c (get_super_receiver): Update calls to
8315         build_compound_expr.
8316
8317 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
8318
8319         * config/sh/sh.c (sh_use_dfa_interface): Remove.
8320         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
8321         hook_int_void_1.
8322         * config/sh/sh.md: Extract pipeline descriptions
8323         into separate files.
8324         * config/sh/sh1.md: New file, extracted from sh.md.
8325         * config/sh/sh4.md: New file, extracted from sh.md.
8326         * config/sh/shmedia.md: New file, extracted from sh.md
8327         and rewritten using new-style pipeline description.
8328
8329 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
8330
8331         * config/pa/pa.md: Delete the two remaining define_peephole
8332         patterns.
8333
8334 2004-07-18  Steven Bosscher  <stevenb@suse.de>
8335             Joseph S. Myers  <jsm@polyomino.org.uk>
8336
8337         * c-common.c (c_common_truthvalue_conversion): Don't warn if
8338         TREE_NO_WARNING is set.
8339
8340 2004-07-18  Roger Sayle  <roger@eyesopen.com>
8341
8342         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
8343         simplify_builtin_strncmp): Delete.
8344         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
8345         Change argument to accept an arglist instead of an "exp".  Assume
8346         that the return type is always integer_type_node.  Copy missing
8347         transformations from their now obsolete simplify_builtin_*
8348         equivalents.
8349         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
8350         fold_builtin_strcmp and fold_builtin_strncmp.
8351         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
8352         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
8353         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
8354
8355 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
8356
8357         * Makefile.in (tree-alias-common.o): Update dependencies.
8358
8359 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
8360
8361         * cfgloop.c (flow_loop_nested_p): Fix comment.
8362
8363 2004-07-17  Jason Merrill  <jason@redhat.com>
8364
8365         PR c++/16115
8366         * stor-layout.c (relayout_decl): New fn.
8367         * tree.h: Declare it.
8368         (DECL_BY_REFERENCE): New macro.
8369
8370 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
8371
8372         * libgcc2.c (__enable_execute_stack): New symbol.
8373         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
8374         and declare __enable_execute_stack.
8375         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
8376         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
8377         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8378         ENABLE_EXECUTE_STACK.
8379         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
8380         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8381         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8382         ENABLE_EXECUTE_STACK.
8383         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8384         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
8385         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8386         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8387         ENABLE_EXECUTE_STACK.
8388         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8389         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8390         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8391         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8392         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
8393         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8394         (sparc64_initialize_trampoline): Likewise.
8395         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
8396
8397 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8398
8399         * langhooks.h (builtin_function): New langhook.
8400         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
8401         (LANG_HOOKS_INITIALIZER): Update.
8402         * tree.h (builtin_function): Remove.
8403         * doc/tm.texi: Update.
8404         * c-tree.h (builtin_function): Declare.
8405         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
8406         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
8407         config/ia64/ia64.c, config/iq2000/iq2000.c,
8408         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
8409         config/stormy16/stormy16.c: All callers of builtin_function
8410         changed.
8411
8412 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
8413
8414         PR target/16556
8415         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
8416         Remove white space after the backslash.
8417
8418 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
8419
8420         PR rtl-optimization/16294
8421         * resource.c (return_insn_p): New predicate.
8422         (mark_target_live_regs): Use it.  Special-case return insns.
8423         (init_resource_info): Use it.  Don't scan the epilogue past
8424         a return.
8425
8426 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8427
8428         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
8429         destroy dominance information.
8430         * passes.c (rest_of_handle_loop2):  Free dominance information.
8431         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
8432         jump threading.
8433         (thread_jumps): Update dominance information and remove unreachable
8434         blocks.
8435         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
8436         information and remove the unreachable block.
8437
8438 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
8439
8440         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
8441
8442 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
8443
8444         * doc/sourcebuild.texi: Remove libf2c entry.
8445
8446 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
8447
8448         * config/i386/i386.md (movv16qi_internal): Fix typo.
8449
8450 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8451
8452         * final.c (final_scan_insn): Fix broken commit from previous
8453         patch.
8454
8455 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8456
8457         * c-typeck.c (parser_build_binary_op): Condition warnings for
8458         X<=Y<=Z on -Wparentheses instead of -Wextra.
8459         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
8460         supported for C only.
8461
8462 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8463
8464         * cfgcleanup.c (try_simplify_condjump): Don't remove line
8465         notes to avoid unreachable code warnings.
8466         * toplev.c (backend_init): Don't emit line notes for
8467         unreachable code warnings.
8468
8469         * combine.c (distribute_notes): Don't distribute a
8470         REG_VTABLE_REF note.
8471         * final.c (final_scan_insn): Don't handle it.
8472         * rtl.c (reg_note_name): Remove it.
8473         * rtl.h (enum reg_node): Dito.
8474
8475         * emit-rtl.c (force_line_numbers, restore_line_number_status):
8476         Remove.
8477         * rtl.h (force_line_numbers, restore_line_number_status):
8478         Remove prototypes.
8479
8480         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
8481         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
8482         (using_eh_for_cleanups): Also moved here.
8483
8484         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
8485         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
8486         to expand_start_case and add_case_node.
8487         * stmt.c (struct nesting): Cleanup unused fields condition_code,
8488         last_unconditional_cleanup, nominal_type, printname, and
8489         line_number_status.
8490         (struct fixup_goto): Remove.
8491         (struct stmt_status): Remove x_goto_fixup_chain field.
8492         (goto_fixup_chain): Remove.
8493         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
8494         pushcase, pushcase_range): Remove.
8495         (expand_start_bindings_and_block): Don't set unused fields in
8496         the nesting stack.
8497         (expand_start_case, add_case_node): Cleanup unused formal arguments.
8498         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
8499         instead of emit_jump_if_reachable.
8500         (emit_case_nodes): Likewise.
8501         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
8502         static.
8503         (update_eh_label): Work around left-over exception handing regions.
8504         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
8505         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
8506         (pass_cleanup_cfg_post_optimizing): New pass.
8507         (init_tree_optimization_passes): Run the new pass after all
8508         optimizations.
8509         * tree.h (pushcase, pushcase_range): Remove prototypes.
8510         (expand_start_case, add_case_node): Update prototypes.
8511
8512 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
8513
8514         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
8515
8516 2004-07-16  Richard Henderson  <rth@redhat.com>
8517
8518         * builtins.c (std_expand_builtin_va_arg): Remove.
8519         (expand_builtin_va_arg): Remove.
8520         * expr.h: Don't declare them.
8521         * gimplify.c (mark_decls_volatile_r): Remove.
8522         (copy_if_shared_r): Don't call it.
8523         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
8524         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
8525         * gimple-low.c (lower_stmt): Likewise.
8526         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
8527         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
8528         * tree-ssa-operands.c (get_expr_operands): Likewise.
8529         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
8530         EXPAND_BUILTIN_VA_ARG.
8531         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
8532         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
8533         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
8534         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8535
8536 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8537
8538         * tree-ssa-pre.c (insert_aux): Break out if we hit
8539         a critical edge.
8540
8541 2004-07-16  Richard Henderson  <rth@redhat.com>
8542
8543         * basic-block.h (remove_fake_exit_edges): Declare.
8544         * cfganal.c (remove_fake_predecessors): Rename from
8545         remove_fake_successors; iterate over predecessors.
8546         (remove_fake_exit_edges): New.
8547         * cfgcleanup.c (try_optimize_cfg): Use it.
8548         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
8549         * predict.c (estimate_probability): Likewise.
8550         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
8551         * tree-cfg.c (make_edges): Likewise.
8552         * tree-ssa-pre.c (fini_pre): Likewise.
8553         * profile.c (instrument_edges): Don't remove_fake_edges.
8554         (branch_prob): Do it earlier here.
8555
8556 2004-07-16  Richard Henderson  <rth@redhat.com>
8557
8558         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
8559         switchification wrt CONSTRUCTOR.  Document the reason.
8560
8561 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
8562
8563         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
8564         that prevented descriptive __mf_check source location strings.
8565
8566 2004-07-16  Richard Henderson  <rth@redhat.com>
8567
8568         * tree-def (WITH_SIZE_EXPR): New.
8569         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
8570         * expr.c (expand_expr_real_1): Likewise.
8571         * gimplify.c (maybe_with_size_expr): New.
8572         (gimplify_arg, gimplify_modify_expr): Use it.
8573         (gimplify_modify_expr_to_memcpy): Take size parameter.
8574         (gimplify_modify_expr_to_memset): Likewise.
8575         (gimplify_expr): Handle WITH_SIZE_EXPR.
8576         * tree-alias-common.c (find_func_aliases): Likewise.
8577         * tree-eh.c (tree_could_trap_p): Likewise.
8578         (tree_could_throw_p): Likewise.
8579         * tree-gimple.c (is_gimple_lvalue): Likewise.
8580         (get_call_expr_in): Likewise.
8581         * tree-inline.c (estimate_num_insns_1): Likewise.
8582         (expand_calls_inline): Likewise.
8583         * tree-nested.c (convert_call_expr): Likewise.
8584         * tree-pretty-print.c (dump_generic_node): Likewise.
8585         * tree-sra.c (sra_walk_expr): Likewise.
8586         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
8587         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
8588         * tree-ssa-operands.c (get_expr_operands): Likewise.
8589         * tree-tailcall.c (find_tail_calls): Likewise.
8590
8591         * calls.c (expand_call): Reset old_stack_allocated after
8592         calling emit_stack_restore.
8593
8594 2004-07-16  Richard Henderson  <rth@redhat.com>
8595
8596         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
8597         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8598         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8599         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
8600         copy_res_decl_for_inlining.
8601
8602         * tree-inline.c (declare_return_variable): New modify_dest argument.
8603         Use it as the return value, when possible or manditory.  Handle
8604         TREE_ADDRESSABLE types.
8605         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
8606         replacement of CALL_EXPR.
8607
8608 2004-07-16  Richard Henderson  <rth@redhat.com>
8609
8610         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
8611         * gimple-low.c (expand_var_p): Don't check it.
8612         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
8613         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
8614         * tree-ssa-operands.c (add_stmt_operand): Likewise.
8615         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
8616         (find_referenced_vars): Don't call them.
8617         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
8618
8619 2004-07-16  Richard Henderson  <rth@redhat.com>
8620
8621         * function.c (pass_by_reference): True for all variable sized types.
8622
8623 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
8624
8625         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
8626         * tree-pretty-print.c: Include tree-chrec.h.
8627         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
8628         and POLYNOMIAL_CHREC nodes.
8629
8630 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
8631
8632         * builtins.c (expand_builtin_stpcpy): Do not create temporary
8633         reg with VOIDmode.
8634
8635 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8636
8637         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
8638
8639 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
8640
8641         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
8642         to BASE_REGNUM.
8643         * config/s390/s390.c: Likewise.
8644         * config/s390/s390.h: Likewise.
8645
8646 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8647
8648         * config/mips/mips.md (addsi3, adddi3): Remove special handling
8649         of $sp adds.  Remove REGNO checks from mips16 patterns.
8650
8651 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8652
8653         * config/mips/mips.md: Delete outdated comment.
8654
8655 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8656
8657         * config/mips/mips.c (get_float_compare_codes): Delete.
8658         (mips_emit_compare): New function, mostly extracted from
8659         get_float_compare_codes and gen_conditional_branch.
8660         (gen_conditional_branch, gen_conditional_move): Use it.
8661
8662 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8663
8664         * genautomata.c (add_vect): Speedup by using integers as
8665         bit-vectors for walking through the comb_vect and finding
8666         a match.
8667
8668 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8669
8670         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
8671         operand is an uns_arith_operand; use subtraction otherwise.
8672         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
8673         not just arith_operands.
8674
8675 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8676
8677         * config/mips/mips-protos.h (gen_int_relational): Delete.
8678         (mips_emit_scc): Declare.
8679         * config/mips/mips.c (internal_test): Delete.
8680         (sle_operand, sleu_operand): New functions.
8681         (map_test_to_internal_test, gen_int_relational): Delete.
8682         (mips_emit_binary, mips_relational_operand_ok_p)
8683         (mips_emit_int_relational, mips_zero_if_equal)
8684         (mips_emit_scc): New functions.
8685         (gen_conditional_branch): Rework to use mips_emit_int_relational.
8686         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
8687         sleu_operand.
8688         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
8689         (sltu, sleu): Use mips_emit_scc.
8690         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
8691         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
8692         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
8693
8694 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8695
8696         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
8697
8698 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8699
8700         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
8701         (*sne_[sd]i): Likewise sne_[sd]i_zero.
8702         (*sgt_[sd]i): ...and sgt_[sd]i.
8703         (*slt_[sd]i): ...and slt_[sd]i.
8704         (*sgtu_[sd]i): ...and sgtu_[sd]i.
8705         (*sltu_[sd]i): ...and sltu_[sd]i.
8706         (*sleu_[sd]i): ...and sleu_[sd]i_const.
8707         Name previously unnamed mips16 patterns.  Formatting fixes.
8708
8709 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8710
8711         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
8712         (branch_type): Delete.
8713         (gen_conditional_branch, gen_conditional_move)
8714         (mips_gen_conditional_trap): Update after name change.  Get the
8715         comparison mode from cmp_operands[0].
8716         * config/mips/mips.h (cmp_type, branch_type): Delete.
8717         (cmp_operands): Renamed from branch_cmp.
8718         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
8719         name change.  Don't set branch_type.
8720         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
8721         mode class of cmp_operands[0] rather than branch_type.  Update after
8722         name change.
8723
8724 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8725
8726         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
8727         of 0...255 to 0 when inside a SET.
8728
8729 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8730
8731         * config/mips/mips.md: Remove mips16 define_peepholes.
8732
8733 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8734
8735         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
8736         (fini_pre): Remove fake edges.
8737
8738 2004-07-15  Richard Henderson  <rth@redhat.com>
8739
8740         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
8741         (get_indirect_ref_operands, get_call_expr_operands): ... these.
8742
8743 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8744
8745         * vec.h (VEC_address): New function.
8746
8747 2004-07-14  Jason Merrill  <jason@redhat.com>
8748
8749         PR middle-end/15885
8750         * gimplify.c (gimplify_arg): New fn, split out from...
8751         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
8752
8753 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8754
8755         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
8756         generate code which is generated by pushqi1 now
8757         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
8758
8759 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8760
8761         * combine.c (simplify_set): match the mode of the constant 0 with
8762         the tested operand to match the compare behaviour and the
8763         simplify_relational_operation() expectation.
8764
8765 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8766
8767         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
8768         ("bordered"): Same.
8769
8770 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8771
8772         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
8773         unconditionally.
8774         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
8775
8776 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8777
8778         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
8779         calls in mips16 code.
8780
8781 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8782
8783         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
8784         the destination of the li as well as for the neg.
8785
8786 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
8787
8788         g++/15861
8789         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
8790         * cgraph.h: Update declaration.
8791         * c-decl.c (build_cdtor): Update call with default priority.
8792         * coverage.c (create_coverage): Ditto.
8793         * tree-mudflap.c (mf_init_fndecl): New tree.
8794         (mudflap_init): Set it.
8795         (mudflap_register_call): Arrange to call __mf_init before the first
8796         __mf_register call.
8797         (mudflap_finish_file): Mark the mudflap static initializer as extra
8798         high priority, to beat all C++ static constructors.
8799
8800 2004-07-15  Jeff Law  <law@redhat.com>
8801
8802         * loop.c (check_insn_for_givs): Restore check for code labels that was
8803         accidentally deleted by a recent checkin.
8804
8805 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8806
8807         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
8808         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
8809
8810 2004-07-14  Richard Henderson  <rth@redhat.com>
8811
8812         * print-tree.c (print_node): Fix casts last change.
8813
8814 2004-07-15  Paul Brook  <paul@codesourcery.com>
8815
8816         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
8817         to TARGET_UNWIND_INFO.
8818         * except.c (output_function_exception_table): Ditto.
8819         * except.h: Ditto.
8820         * opts.c (decode_options): Ditto.
8821         * passes.c (rest_of_handle_final): Ditto.
8822         * final.c (final_start_function): Ditto.
8823         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
8824         target hook.
8825         * targhooks.h (default_unwind_emit): Declare.
8826         * targhooks.c (default_unwind_emit): New function.
8827         * target-def.h: Define and use TARGET_UNWIND_EMIT.
8828         * target.h (struct gcc_target): Add unwind_emit.
8829         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
8830         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
8831         Remove IA64_UNWIND_EMIT.
8832         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
8833
8834 2004-07-14  Richard Henderson  <rth@redhat.com>
8835
8836         * print-tree.c (print_node): Handle SSA_NAME.
8837
8838 2004-07-14  James E Wilson  <wilson@specifixinc.com>
8839
8840         PR target/16325
8841         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
8842         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
8843
8844 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
8845
8846         * expr.c (expand_assignment): Reenable bitfield += optimizations.
8847         Use alias set 0 for memory, do proper mode calculations and adjust
8848         address for memories.
8849
8850 2004-07-14  Per Bothner  <per@bothner.com>
8851
8852         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
8853         structure with extra column field.
8854         * tree.c (expand_location):  Also fill in column field.
8855         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
8856         gets confused by the two conditionally-compiled definitions.
8857
8858 2004-07-14  Eric Christopher  <echristo@redhat.com>
8859
8860         * calls.c (expand_call): Fix typo in comment.
8861
8862 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
8863
8864         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
8865         comparision of TFmode.
8866
8867 2004-07-14  Richard Henderson  <rth@redhat.com>
8868
8869         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
8870         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
8871         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
8872         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
8873         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8874         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
8875         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8876         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8877         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8878
8879 2004-07-14  Mike Stump  <mrs@apple.com>
8880
8881         * config/darwin.h (WINT_TYPE): Define to be int to match
8882         system header files.
8883
8884 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
8885
8886         * config/xtensa/xtensa.c (function_arg_advance): Check for args
8887         that must be passed in the stack.
8888         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
8889         arguments if the size is not a constant.
8890
8891 2004-07-14  Per Bothner  <per@bothner.com>
8892
8893         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
8894         instead of EXPR_LOCUS in a boolean context, which is always true
8895         if --enable-mapped-location.
8896         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
8897
8898 2004-07-14  Richard Henderson  <rth@redhat.com>
8899
8900         * dominance.c (struct dom_info): Add fake_exit_edge.
8901         (init_dom_info): Allocate it.
8902         (free_dom_info): Free it.
8903         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
8904         in two passes.
8905         (calc_idoms): Honor fake_exit_edge.
8906
8907 2004-07-13  Jason Merrill  <jason@redhat.com>
8908
8909         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
8910         (rhs_test_for): New fn.
8911         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
8912         * tree-gimple.h: Declare them.
8913         * gimplify.c (gimplify_modify_expr): Use the new fns.
8914
8915 2004-07-14  Richard Henderson  <rth@redhat.com>
8916
8917         * config/arm/arm-protos.h (arm_va_arg): Remove.
8918         * config/arm/arm.c (arm_va_arg): Remove.
8919         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
8920         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
8921
8922 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8923
8924         * pa.c (fix_range): New function to mark a range(s) of registers as
8925         fixed registers.
8926         (override_options): Call fix_range if the -mfixed-range option string
8927         is not empty.
8928         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
8929         * doc/invoke.texi (-mfixed-range): Document new option.
8930
8931 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
8932
8933         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
8934         for TARGET_64BIT.
8935         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
8936
8937 2004-07-14  Roger Sayle  <roger@eyesopen.com>
8938
8939         * expmed.c (expand_sdiv_pow2): New function to expand signed division
8940         by a positive power of two, split out from expand_divmod.  Provide
8941         an alternate implementation when shifts are expensive.  Lower the
8942         threshold for using a branchless implementation to BRANCH_COST >= 2.
8943         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
8944
8945 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8946
8947         * tree-dfa.c (make_rename_temp): *Really* work just
8948         like create_tmp_var if called while outside SSA form.
8949
8950 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
8951
8952         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
8953         for division by zero.
8954         ("umodsi3"): Likewise.
8955
8956 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8957
8958         * config/mips/mips.c (mips_output_move): When generating mips16 code,
8959         force loads of negative constants to be split.
8960         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
8961         Generalize SImode li/neg splitter to cope with other modes.
8962
8963 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8964
8965         * expmed.c: Remove more references to QUEUED in the comments.
8966         * expr.c: Likewise.
8967
8968 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
8969
8970         Revert:
8971         2004-07-13  Richard Henderson  <rth@redhat.com>
8972         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
8973         correctly.
8974
8975 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8976
8977         * tree-dfa.c (make_rename_temp): Work just like
8978         create_tmp_var if called while outside SSA form.
8979
8980 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
8981
8982         * expr.c (enqueue_insn, finish_expr_for_function,
8983         protect_from_queue, queued_subexp_p, mark_queue,
8984         emit_insns_enqueued_after_mark, emit_queue,
8985         expand_increment): Remove.
8986         (store_constructor): Expand increment as an assignment.
8987         (expand_expr_real_1 <case PREINCREMENT_EXPR,
8988         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
8989         case POSTDECREMENT_EXPR>): Abort.
8990         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
8991         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
8992         protect_from_queue, emit_queue, queued_subexp_p): Remove.
8993         * function.h (pending_chain, x_pending_chain): Remove.
8994         * rtl.def (QUEUED): Remove.
8995
8996         * emit-rtl.c (copy_insn_1, copy_most_rtx,
8997         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
8998         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
8999         encode_units_mask): Likewise.
9000         * local-alloc.c (equiv_init_varies_p): Likewise.
9001         * rtl.c (copy_rtx): Likewise.
9002         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
9003         * simplify-rtx.c (simplify_gen_subreg): Likewise.
9004         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
9005
9006         * builtins.c (expand_builtin, expand_builtin_apply,
9007         expand_builtin_mathfn, expand_builtin_mathfn_2,
9008         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
9009         Remove calls to emit_queue and protect_from_queue.
9010         * calls.c (expand_call, precompute_arguments,
9011         precompute_register_parameters, rtx_for_function_call,
9012         store_one_arg): Likewise.
9013         * dojump.c (do_compare_and_jump, do_jump): Likewise.
9014         * explow.c (memory_address): Likewise.
9015         * expmed.c (clear_by_pieces_1, clear_storage,
9016         clear_storage_via_libcall, emit_group_load,
9017         emit_group_store, emit_store_flag,
9018         expand_expr_real_1, store_by_pieces,
9019         store_constructor, store_expr, try_casesi,
9020         try_tablejump): Likewise.
9021         * function.c (expand_pending_sizes): Likewise.
9022         * optabs.c (emit_cmp_and_jump_insns,
9023         emit_conditional_add, emit_conditional_move,
9024         expand_fix, expand_float, prepare_cmp_insn): Likewise.
9025         * stmt.c (emit_case_bit_tests,
9026         expand_asm_expr, expand_computed_goto,
9027         expand_decl_init, expand_end_case_type,
9028         expand_end_stmt_expr, expand_expr_stmt_value,
9029         expand_return, expand_start_case,
9030         optimize_tail_recursion): Likewise.
9031         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
9032         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
9033
9034 2004-07-14  Ben Elliston  <bje@au.ibm.com>
9035
9036         * vec.h: Comment fix.
9037
9038 2004-07-13  Richard Henderson  <rth@redhat.com>
9039
9040         * target.h (struct gcc_target): Add calls.pass_by_reference.
9041         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
9042         * function.c (pass_by_reference): Use the hook.
9043         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
9044         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
9045         (hook_pass_by_reference_must_pass_in_stack): New.
9046         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
9047         (alpha_pass_by_reference): New.
9048         (TARGET_PASS_BY_REFERENCE): New.
9049         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9050         * config/arc/arc.c (arc_pass_by_reference): New.
9051         (TARGET_PASS_BY_REFERENCE): New.
9052         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9053         (FUNCTION_ARG_CALLEE_COPIES): True.
9054         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
9055         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
9056         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
9057         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9058         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9059         * config/cris/cris.c (cris_pass_by_reference): New.
9060         (TARGET_PASS_BY_REFERENCE): New.
9061         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
9062         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
9063         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9064         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
9065         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9066         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
9067         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
9068         (frv_function_arg_pass_by_reference): Remove.
9069         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9070         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
9071         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
9072         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
9073         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9074         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
9075         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
9076         (ia64_pass_by_reference): Rename from
9077         ia64_function_arg_pass_by_reference.
9078         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9079         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9080         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
9081         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
9082         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
9083         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9084         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
9085         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
9086         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
9087         (m32r_pass_by_reference): Adjust prototype.  Make static.
9088         Handle mode sizes correctly.
9089         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9090         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
9091         (m68hc11_function_arg_pass_by_reference): Remove.
9092         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9093         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
9094         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
9095         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9096         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
9097         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
9098         (mips_va_arg): Use pass_by_reference.
9099         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
9100         Handle mode sizes correctly.
9101         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9102         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
9103         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
9104         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
9105         (mmix_pass_by_reference): Rename from
9106         mmix_function_arg_pass_by_reference.
9107         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9108         (FUNCTION_ARG_CALLEE_COPIES): True.
9109         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
9110         (mn10300_pass_by_reference): New.
9111         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9112         (FUNCTION_ARG_CALLEE_COPIES): True.
9113         * config/pa/pa.c (pa_pass_by_reference): New.
9114         (TARGET_PASS_BY_REFERENCE): New.
9115         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9116         (FUNCTION_ARG_CALLEE_COPIES): True.
9117         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
9118         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
9119         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
9120         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9121         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
9122         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
9123         (s390_pass_by_reference): Rename from
9124         s390_function_arg_pass_by_reference.
9125         (s390_function_arg_advance): Don't query pass-by-ref.
9126         (s390_function_arg): Likewise.
9127         (s390_gimplify_va_arg): Use pass_by_reference.
9128         (s390_call_saved_register_used): Likewise.
9129         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9130         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
9131         (shcompact_byref, sh_pass_by_reference): New.
9132         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9133         (SHCOMPACT_BYREF): Remove.
9134         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
9135         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
9136         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
9137         (sparc_gimplify_va_arg): Use pass_by_reference.
9138         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9139         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9140         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
9141         (v850_pass_by_reference): New.
9142         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9143         (FUNCTION_ARG_CALLEE_COPIES): True.
9144         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
9145         FUNCTION_ARG_PASS_BY_REFERENCE docs.
9146
9147 2004-07-14  Richard Henderson  <rth@redhat.com>
9148             Richard Sandiford  <rsandifo@redhat.com>
9149
9150         * config/mips/mips-protos.h (mips_va_arg): Delete.
9151         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
9152         * config/mips/mips.c: Include tree-gimple.h.
9153         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
9154         (mips_arg_info): Remove special handling of must_pass_in_stck args.
9155         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
9156         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
9157
9158 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
9159
9160         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
9161         arguments for COND_EXPR in big-endian adjustment code.
9162
9163 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9164
9165         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
9166         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
9167         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
9168         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
9169
9170 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
9171
9172         PR tree-optimization/16443
9173         * tree-ssa-alias.c: Add more description for
9174         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
9175         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
9176         clobbering of call-clobbered and addressable variables.  If
9177         there are any before aliases have been computed, add them.
9178
9179 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
9180
9181         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
9182         verification.
9183
9184 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
9185
9186         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
9187         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
9188         to the same type.
9189
9190 2004-07-13  Per Bothner  <per@bothner.com>
9191
9192         * collect2.c (main):  Handle --no-demangle and --demangle flags.
9193
9194 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
9195
9196         * Makefile.in (OBJS-common): Add tree-data-ref.o.
9197         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
9198         (tree-data-ref.o): New rule.
9199         * lambda.h: New file.
9200         * tree-data-ref.c: New file.
9201         * tree-data-ref.h: New file.
9202         * tree.c (int_cst_value, tree_fold_gcd): New functions.
9203         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
9204
9205 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9206
9207         PR target/13926
9208         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
9209         * config/sparc/sparc.c (output_ubranch): New function.
9210         * config/sparc/sparc.md (jump pattern): Use it.
9211
9212 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9213
9214         PR target/16494
9215         * config/sparc/sparc.c (output_cbranch): Properly guard
9216         the code handling far branches with TARGET_V9.
9217         * config/sparc/sparc.md (length attribute): Document the
9218         side-effect of having a length greater or equal to 3.
9219
9220 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9221             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
9222
9223         PR target/15186
9224         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
9225         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
9226
9227 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9228             Martin Sebor  <sebor@roguewave.com>
9229
9230         PR target/12602
9231         * doc/invoke.texi (SPARC options): Document -threads
9232         and -pthreads on Solaris.
9233
9234 2004-07-13  Richard Henderson  <rth@redhat.com>
9235
9236         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
9237         by reference.
9238         (ind_gimplify_va_arg_expr): Remove.
9239         * tree.h (ind_gimplify_va_arg_expr): Remove.
9240         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
9241         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
9242         argsp to be null.
9243
9244         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
9245         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
9246         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
9247         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
9248         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
9249
9250 2004-07-13  Richard Henderson  <rth@redhat.com>
9251
9252         * function.c (pass_by_reference): New.
9253         (assign_parm_find_data_types): Use it.
9254         * calls.c (initialize_argument_information): Likewise.
9255         (emit_library_call_value_1): Likewise.
9256         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9257         * function.h (pass_by_reference): Declare.
9258
9259 2004-07-13  Richard Henderson  <rth@redhat.com>
9260
9261         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
9262         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
9263         * expr.h (MUST_PASS_IN_STACK): Remove.
9264         * system.h (MUST_PASS_IN_STACK): Poison.
9265         * tree.h (must_pass_in_stack_var_size): Declare.
9266         (must_pass_in_stack_var_size_or_pad): Declare.
9267         * calls.c (must_pass_in_stack_var_size): New.
9268         (must_pass_in_stack_var_size_or_pad): Rename from
9269         default_must_pass_in_stack.
9270         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
9271         (TARGET_MUST_PASS_IN_STACK): New.
9272         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
9273         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
9274         (TARGET_MUST_PASS_IN_STACK): New.
9275         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
9276         * config/frv/frv.c (frv_must_pass_in_stack): New.
9277         (TARGET_MUST_PASS_IN_STACK): New.
9278         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
9279         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
9280         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
9281         (ix86_must_pass_in_stack): Make static.
9282         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
9283         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
9284         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
9285         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
9286         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
9287         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
9288         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
9289         (mcore_must_pass_on_stack): Remove.
9290         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
9291         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
9292         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
9293         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
9294         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
9295         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
9296         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
9297         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
9298         (TARGET_MUST_PASS_IN_STACK): New.
9299         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
9300         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
9301         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
9302         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
9303         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
9304         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
9305         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
9306         MUST_PASS_IN_STACK.
9307
9308         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
9309         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
9310         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
9311         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
9312         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
9313         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
9314         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
9315         config/xtensa/xtensa.c: Use target hook.
9316
9317 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
9318
9319         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
9320         * configure: Rebuilt.
9321
9322 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9323
9324         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
9325         * config/mips/mips.h (mips_reg_names): Don't declare.
9326         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
9327         (TARGET_NAME_REGS): Delete.
9328         (TARGET_SWITCHES): Remove -mrnames.
9329         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
9330         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
9331         in REGISTER_NAMES.
9332         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
9333         (override_options): Remove handling of TARGET_NAME_REGS.
9334
9335 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9336
9337         * config/mips/mips.h (TARGET_*): Boolify.
9338
9339 2004-07-12  Nick Clifton  <nickc@redhat.com>
9340
9341         * config.gcc: Add sh-*-symbianelf target.
9342         * config/sh/sh.c: Add new target macros:
9343         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
9344         TARGET_CXX_IMPORT_EXPORT_CLASS.
9345         (sh_file_start): Create a definition of the .directive section.
9346         (sh_attribute): Add dllimport and dllexport attributes.
9347         * config/sh/symbian-pre.h: New file.
9348         * config/sh/symbian-post.h: New file.
9349         * config/sh/symbian.c: New file. Contains Symbian specific
9350         functions.
9351         * config/sh/sh-protos.h: Add prototypes for new functions
9352         provided by symbian.c.
9353         * config/sh/t-symbian: New file.
9354         * doc/extend.texi: Document support for dllimport and dllexport
9355         attributes by the sh-symbianelf target.
9356
9357 2004-07-12  James E Wilson  <wilson@specifixinc.com>
9358
9359         * Makefile.in (AR): Use @AR@ not ar.
9360         (NM): New.
9361         (AR_FOR_TARGET): Use $(AR) not ar for native.
9362         (NM_FOR_TARGET): Use $(NM) not nm for native.
9363         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
9364         * configure: Regenerate.
9365
9366 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
9367
9368         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
9369         special case.
9370         (ashldi3_sp64): Likewise.
9371
9372 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9373
9374         PR target/16477
9375         * pa.c (function_arg): Update comment.
9376         * pa.h (BLOCK_REG_PADDING): Define.
9377
9378 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9379
9380         PR tree-optimization/16461
9381         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
9382         arguments of phi nodes.
9383
9384 2004-07-12  Devang Patel  <dpatel@apple.com>
9385
9386         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
9387
9388 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
9389
9390         * function.c (expand_function_start): Ensure r_save is in Pmode.
9391         * calls.c (prepare_call_address): Ensure static_chain_value is
9392         in Pmode.
9393         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
9394         r_save_area are in Pmode.
9395         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
9396         fnaddr, and static_chain are in Pmode.
9397
9398 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
9399
9400         PR target/16445
9401         * config/ia64/ia64.c (bundling): Don't count ignored insns.
9402
9403 2004-07-12  Richard Henderson  <rth@redhat.com>
9404
9405         * target.h (struct gcc_target): Move gimplify_va_arg_expr
9406         next to build_builtin_va_list.
9407         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
9408         * builtins.c (gimplify_va_arg_expr): Likewise.
9409         * gimplify.c (copy_if_shared_r): Likewise.
9410
9411 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
9412
9413         * passes.c (rest_of_decl_compilation): Don't defer call of
9414         assemble_variable if its DECL_RTL is already set.
9415
9416 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
9417
9418         * cfgloop.h (struct loop): Add nb_iterations field.
9419         (current_loops): Declare.
9420         * tree-chrec.c (chrec_not_analyzed_yet,
9421         chrec_dont_know, chrec_known, count_ev_in_wider_type,
9422         chrec_contains_symbols_defined_in_loop): Remove the temporary
9423         hooks.
9424         * tree-flow-inline.h (loop_containing_stmt): New function.
9425         * tree-scalar-evolution.c: Add implementation.
9426         * tree-scalar-evolution.h: Add declarations.
9427
9428 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
9429
9430         PR rtl-optimization/15921
9431         * Makefile.in (global.o): Add recog.h.
9432
9433         * global.c (recog.h): Add the include-clause.
9434         (bb_info): New member earlyclobber.
9435         (allocate_bb_info, free_bb_info): Initialize/finish the new
9436         member.
9437         (earlyclobber_regclass, earlyclobber_regclass_length): The new
9438         global variables.
9439         (check_earlyclobber, regclass_intersect,
9440         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
9441         New functions.
9442         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
9443         (make_accurate_live_analysis): Modify pavin.
9444
9445 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
9446
9447         * tree-cfg.c (find_taken_edge): Statically compute the truth
9448         value of a predicate comparing an SSA_NAME to itself.
9449
9450 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9451
9452         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
9453         rs6000 doesn't have shift-and-add or shift-and-sub instructions
9454         by returning the cost of a multiplication plus an addition.
9455
9456 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
9457
9458         PR tree-optimization/14107
9459         * gimplify.c (gimplify_return_expr): Accept a
9460         RETURN_EXPR with an error argument.
9461         * tree-optimize.c (init_tree_optimization_passes):
9462         Run pass_warn_function_return at -O0.
9463
9464 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9465
9466         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
9467         index entry.
9468
9469 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
9470
9471         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
9472         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9473         * config/mips/3000.md: Add copyright notice.  Remove automota and
9474         function units; use generic ones instead.  Only define reservations
9475         for things that are different from generic.md.  Extend each clause
9476         to include r3900.
9477         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
9478         * config/mips/mips.md: Include them. Remove define_function_units.
9479         (alu, imuldiv): New automata and units.
9480
9481 2004-07-12  Ben Elliston  <bje@au.ibm.com>
9482
9483         * doc/invoke.texi (Optimize Options): Document -frename-registers
9484         not being enabled by default at -O3.
9485
9486 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9487
9488         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
9489         floating point additions, to keep real immediate constant positive.
9490         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
9491         into X + C, and leave positive real constants as X - C.
9492
9493 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9494
9495         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
9496
9497 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9498
9499         PR tree-optimization/15654
9500         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
9501
9502 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9503
9504         * builtins.c (fold_builtin_fputs): Don't bother converting the
9505         return type to integer_type_node, as we've already checked that
9506         the result will be ignored.
9507
9508         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
9509         that signed addition, subtraction, multiplication, division,
9510         remainder, negation and absolute value may potentially trap.
9511
9512         * fold-const.c (fold_ignored_result): New function to strip
9513         non-side-effecting tree nodes from an expression whose result
9514         is ignored.
9515         (fold_convert): Call fold_ignored_result when casting a value
9516         to VOID_TYPE.
9517         (omit_one_operand):  Call fold_ignored_result on the "omitted"
9518         operand when building a COMPOUND_EXPR.
9519         (pedantic_omit_one_operand): Likewise.
9520         * tree.h (fold_ignored_result): Prototype here.
9521         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
9522         when we're going to ignore the result.
9523
9524 2004-07-11  Richard Henderson  <rth@redhat.com>
9525
9526         PR tree-opt/16383
9527         * tree-ssa-ccp.c (fold_stmt_r): Split out...
9528         * tree.c (fields_compatible_p, find_compatible_field): ... new.
9529         * tree.h (fields_compatible_p, find_compatible_field): Declare.
9530         * tree-sra.c (sra_hash_tree): Hash fields by offset.
9531         (sra_elt_eq): Use fields_compatible_p.
9532         (generate_one_element_ref): Use find_compatible_field.
9533
9534 2004-07-11  Richard Henderson  <rth@redhat.com>
9535
9536         PR tree-opt/16422
9537         * tree-sra.c (generate_one_element_init): New.
9538         (generate_element_init): Use it.
9539         (scalarize_init): Push/pop gimplify context around it.
9540         (find_new_referenced_vars_1, find_new_referenced_vars): New.
9541         * gimplify.c (gimplify_expr): Allow SSA_NAME.
9542
9543 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9544
9545         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
9546         combine.c's combine_insn_cost.
9547         * rtl.h (insn_rtx_cost): Prototype here.
9548         * combine.c (combine_insn_cost): Delete function.
9549         (combine_validate_cost): Update callers of combine_insn_cost to
9550         call insn_rtx_cost instead.
9551         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
9552         requesting the rtx_cost of call and/or jump instructions.
9553
9554         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
9555         rtx_cost directly.  Don't request/use the cost of call or jump
9556         instructions.  Return -1 if the cost of any instruction can't be
9557         determined (or the BB contains a function call).
9558         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
9559         -1 (i.e. can't determine the cost of any instruction or the basic
9560         block contains a subroutine call).
9561         (find_if_case_2): Likewise.
9562
9563 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9564
9565         * rs6000.c (struct processor_costs): Change semantics of fields to
9566         include the COST_N_INSNS scaling, and update all initializers.
9567         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
9568         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
9569         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
9570         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
9571
9572 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9573
9574         * LANGUAGES: Remove obsolete information.
9575
9576 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9577
9578         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
9579         SIGBUS signal frames, the PSW address points *to* the faulting
9580         instruction, not after it.
9581
9582 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9583
9584         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
9585         added to TLS symbol addresses.
9586
9587 2004-07-11  Richard Henderson  <rth@redhat.com>
9588
9589         * expmed.c (init_expmed): Use stack-local structures for
9590         temporary rtl.  Don't recognize shifts.
9591
9592 2004-07-11  Richard Henderson  <rth@redhat.com>
9593
9594         * expr.c (store_expr): Don't fiddle subreg promotion for types
9595         with precision smaller than the mode.
9596
9597 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9598
9599         * tree.h (all_types_permanent): Remove.
9600
9601 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9602
9603         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
9604         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
9605         * langhooks.c (lhd_clear_binding_stack): Remove.
9606         * langhooks-def.h (lhd_clear_binding_stack,
9607         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9608         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
9609         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
9610         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9611         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
9612         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
9613         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
9614         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9615         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
9616         * tree.h (poplevel): Don't declare.
9617         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
9618         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9619         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
9620         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
9621         Remove.
9622
9623 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9624
9625         PR tree-optimization/16437
9626         * c-common.c (shorten_compare): Don't mark result of conversion to
9627         narrower signed type as overflowing.
9628         * fold-const.c (decode_field_reference): Determine whether
9629         signedness comes from outer type using precision rather than size.
9630
9631 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9632
9633         * configure.ac:  Alphabetize --enable-checking list, add
9634         missing valgrind entry.
9635         * configure:  Regenerate.
9636
9637 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9638
9639         * doc/install.texi (Testing):  Fix syntax in "make check" example.
9640
9641 2004-07-10  James E Wilson  <wilson@specifixinc.com>
9642
9643         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
9644
9645 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9646
9647         PR rtl-optimization/16001
9648         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
9649         niter_expr.
9650
9651 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
9652
9653         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
9654
9655 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
9656             James Morrison  <phython@gcc.gnu.org>
9657
9658         * doc/contrib.texi (Contributors): Add gfortran contributors and
9659         fix a couple of typos.
9660
9661 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9662
9663         PR rtl-optimization/15387
9664         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
9665         to incoming args space correctly.
9666
9667 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9668
9669         * pa.c (output_indirect_call): Only use %r2 as the link register in
9670         indirect calls with the long PA 2.0 pc-relative branch.
9671
9672 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
9673
9674         * config/i386/i386.c (override_options): Pick a 64-bit CPU
9675         for the default tuning if TARGET_64BIT.
9676
9677 2004-07-10  Richard Henderson  <rth@redhat.com>
9678
9679         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
9680         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
9681
9682 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
9683
9684         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
9685         * expmed.c (store_bit_field, extract_bit_field): Remove last
9686         argument.
9687         * builtins.c (expand_builtin_signbit): Adjust callers.
9688         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
9689         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
9690         * ifcvt.c (noce_emit_move_insn): Likewise.
9691         * stmt.c (expand_return): Likewise.
9692         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
9693         store_field, expand_expr_real_1): Likewise.
9694
9695 2004-07-10  Richard Henderson  <rth@redhat.com>
9696
9697         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
9698
9699 2004-07-09  Mike Stump  <mrs@apple.com>
9700
9701         * config/darwin.c (no_dead_strip): Add.
9702         (HAVE_DEAD_STRIP): Add.
9703         (darwin_emit_unwind_label): Ensure that we don't dead code strip
9704         the .eh label.
9705
9706 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9707
9708         * tree-ssa-loop-im.c: New file.
9709         * Makefile.in (tree-ssa-loop-im.o): Add.
9710         * cfgloop.c (superloop_at_depth): New function.
9711         * cfgloop.h (superloop_at_depth): Declare.
9712         * common.opt (ftree-lim): New flag.
9713         * expr.c (array_ref_up_bound): New function.
9714         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
9715         * timevar.def (TV_LIM): New timevar.
9716         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
9717         computing immediate uses of a phi node.
9718         * tree-flow.h (struct tree_ann_common_d): Add aux field.
9719         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
9720         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
9721         * tree-pass.h (pass_lim): Declare.
9722         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
9723         functions.
9724         (pass_lim): New pass structure.
9725         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
9726         * tree.c (in_array_bounds_p): New function.
9727         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
9728         (in_array_bounds_p, array_ref_up_bound): Declare.
9729         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
9730         * doc/passes.texi (tree-ssa-loop-im.c): Document.
9731
9732 2004-07-09  Richard Henderson  <rth@redhat.com>
9733
9734         * builtins.c (expand_builtin_stpcpy): Don't modify len.
9735
9736         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
9737         with prejudice.
9738
9739 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
9740
9741         * flags.h: Delete redundant prototypes that are being generated
9742         in options.h from common.opt.
9743         * common.opt: Add in the expository comments formerly in flags.h.
9744
9745 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9746
9747         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
9748         available for use only when TARGET_MMX/_SSE is set, and check for
9749         variable argument function if any register count is non-zero.
9750         (function_arg): Correctly suppress repeated warnings for passing SSE
9751         vectors are arguments without SSE enabled.
9752         (ix86_function_arg_boundary): Without SSE enabled, the use of what
9753         would be SSE register modes does no longer influence the alignment.
9754
9755 2004-07-09  Richard Henderson  <rth@redhat.com>
9756
9757         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
9758         Always align upward to arg boundary.  Use size_in_bytes/round_up.
9759         Maintain type-correctness of constants.
9760         * stor-layout.c (round_up, round_down): Special-case powers of 2.
9761
9762 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9763
9764         * config/sparc/sparc.c (*_costs): Scale instruction costs
9765         by COSTS_N_INSNS.
9766         (sparc_rtx_costs): Adjust as appropriate.
9767
9768 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9769
9770         * config/i386/mm3dnow.h: New.
9771         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
9772
9773 2004-07-09  Richard Henderson  <rth@redhat.com>
9774
9775         * simplify-rtx.c (simplify_const_relational_operation): Only
9776         look at bounds of scalar integers.
9777
9778 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9779
9780         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
9781
9782 2004-07-09  Andrew Pinski  <apinski@apple.com>
9783
9784         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
9785         always referenced.
9786         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
9787         UOBJC_METACLASS_decl.
9788
9789 2004-07-09  James E Wilson  <wilson@specifixinc.com>
9790
9791         PR target/16364
9792         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
9793         do return a parallel if hfa_mode == XFmode and mode == TImode.
9794
9795 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9796
9797         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
9798         permissible for unary plus.
9799
9800 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9801
9802         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
9803         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
9804         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
9805         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
9806         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
9807         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
9808         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
9809         (BUILTIN_xxxIMAX): New.
9810         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
9811         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
9812         BUILT_IN_PARITYIMAX.
9813
9814 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9815
9816         * config/sparc/sparc.h (processor_costs): Define.
9817         (sparc_costs): Declare.
9818         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
9819         hypersparc_costs, sparclet_costs, ultrasparc_costs,
9820         ultrasparc3_costs): New.
9821         (sparc_override_options): Set sparc_costs as appropriate.
9822         (sparc_rtx_costs): Use sparc_costs instead of messy
9823         conditionals.
9824
9825 2004-07-09  Steven Bosscher  <stevenb@suse.de>
9826
9827         * doc/md.texi (Processor pipeline description): Mention that
9828         the old pipeline description is deprecated.
9829
9830         * config/rs6000/7450.md (automaton ppc7450): Split up, move
9831         mciu_7450 function unit to...
9832         (automaton ppc7450mciu): ...new automaton.
9833
9834         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
9835         (schedule_block): Don't consider inserting bubbles.
9836         (sched_init): Don't initialize DFA bubbles.
9837         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
9838         TARGET_SCHED_DFA_BUBBLE): Remove.
9839         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
9840         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
9841         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
9842
9843         * stmt.c (conditional_context): Remove prototype.
9844         * tree.h (conditional_context): Remove.
9845         * tree-cfg.c (pre_insert_on_edge): Remove.
9846
9847         * c-common.h (c_expand_asm_operands): Remove prototype.
9848         * c-typeck.c (c_expand_asm_operands): Remove.
9849
9850 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9851
9852         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
9853         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
9854         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
9855         and V8QI are class SSE. All sufficiently small remaining vector modes
9856         must be passed in one or two integer registers.
9857         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
9858         returned in memory.
9859         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
9860         __builtin_ia32_pmuludq128 have non-uniform argument and return types
9861         and must thus be handled explicitly.
9862         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
9863         MMX and XMM regs.
9864         (movv8qi_internal, movv4hi_internal, movv2si_internal,
9865         movv2sf_internal): Permit moving between MMX and XMM registers (since
9866         MMX areguments and return values are passed in XMM registers).
9867         (sse2_umulsidi3): Correct type and mode.
9868
9869 2004-07-09  Richard Henderson  <rth@redhat.com>
9870
9871         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
9872
9873 2004-07-09  Eric Christopher  <echristo@redhat.com>
9874
9875         * config/rs6000/40x.md: Split into two automatons.
9876
9877 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9878             Andrew Pinski  <apinski@apple.com>
9879
9880         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
9881         on when we have more than one input file.
9882         (c_common_parse_file): Restore loop over all input files.
9883         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
9884
9885         * c-decl.c (set_type_context): New function.
9886         (pop_scope): Use it to set context of types.  When we
9887         encounter a TYPE_DECL, set the context of the attached type too.
9888         (pop_file_scope): Don't call cpp_undef_all here.
9889         (diagnose_mismatched_decls): Do not complain about a second
9890         definition of an 'extern inline' function if it's not in the
9891         same translation unit.  Do not complain about inline
9892         declaration after use if the use was in a different
9893         translation unit.
9894         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
9895         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
9896         the external scope.
9897         (pushdecl_top_level): Likewise.
9898         (grokdeclarator): Clarify what is going on with setting
9899         DECL_EXTERNAL on function types, a little.
9900         (c_write_global_declarations): Don't do anything if
9901         -fsyntax-only or errors have been encountered.
9902
9903 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9904
9905         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
9906
9907 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9908
9909         PR target/16459
9910         * pa.c (output_indirect_call): Use %r2 as the link register when
9911         calling $$dyncall with a pc-relative branch.
9912
9913 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
9914
9915         * doc/install.texi (Binaries): Mention OpenPKG.
9916
9917 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
9918
9919         Fix PR tree-optimization/15555
9920         * tree-dfa.c (dump_variable): If the variable is a pointer
9921         SSA_NAME, also dump its points-to information.
9922         * tree-flow.h (struct ptr_info_def): Add field
9923         is_dereferenced.
9924         (dump_points_to_info_for): Declare.
9925         (debug_points_to_info_for): Declare.
9926         * tree-optimize.c (init_tree_optimization_passes): Add a
9927         second alias analysis pass after DOM2.
9928         Move pass_del_pta to a later spot.
9929         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
9930         create a name tags when we find a dereferenced pointer.  Just
9931         mark the pointer dereferenced.
9932         (collect_points_to_info_for): Move code to clear points-to
9933         information to create_name_tags.
9934         (create_name_tags): New function.
9935         (compute_flow_sensitive_aliasing): Call it.
9936         (setup_pointers_and_addressables): Mark type tags for renaming
9937         here instead of ...
9938         (create_memory_tag): ... here.
9939         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
9940         (dump_points_to_info_for): Declare extern.
9941         (debug_points_to_info_for): New function.
9942
9943 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
9944
9945         * config/arc/arc.md: Switch to DFA-based scheduler description.
9946         * config/arc/arc.c: Switch to DFA-based scheduler description.
9947
9948 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9949
9950         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
9951         pointer.
9952
9953 2004-07-09  Richard Henderson  <rth@redhat.com>
9954
9955         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
9956         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9957         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
9958         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9959
9960         * config/v850/v850-protos.h (v850_va_arg): Remove.
9961         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9962         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
9963         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
9964         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
9965         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
9966
9967 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
9968
9969         PR target/12133
9970         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
9971         and DImode to use +/-4k offset.
9972
9973 2004-07-09  Richard Henderson  <rth@redhat.com>
9974
9975         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
9976         Remove.
9977         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9978         (xstormy16_gimplify_va_arg_expr): Rewrite from
9979         xstormy16_expand_builtin_va_arg.
9980         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
9981
9982         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
9983         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
9984
9985         * config/sh/sh-protos.h (sh_va_arg): Remove.
9986         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9987         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
9988         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
9989
9990         * config/pa/pa-protos.h (hppa_va_arg): Remove.
9991         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9992         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
9993         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
9994
9995         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
9996         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
9997         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
9998         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
9999
10000 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
10001
10002         * config/sparc/sparc.md (return): Rewrite length formula.
10003         * config/sparc/sparc.c (output_return): Pass 1 as 5th
10004         argument to final_scan_insn when in a delay slot.
10005         (output_sibcall): Likewise.
10006
10007 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
10008
10009         * arm.c (arm_cpp_interwork): New variable.
10010         (arm_override_options): Set it if TARGET_INTERWORK was on the command
10011         line.
10012         * arm.h (arm_cpp_interwork): Declare it.
10013         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
10014         __THUMB_INTERWORK__ in the preprocessor.
10015
10016 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
10017
10018         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
10019
10020 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
10021
10022         PR target/16416
10023         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
10024         Override default settings to account for -m32 and -m64.
10025
10026 2004-07-08  Randolph Chung  <tausq@debian.org>
10027
10028         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
10029
10030 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
10031
10032         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
10033         before comparing it as such.
10034
10035 2004-07-08  Richard Henderson  <rth@redhat.com>
10036
10037         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
10038         temporary.  Use bit arithmetic to align.
10039
10040 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
10041
10042         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
10043         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
10044         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
10045         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
10046         add_labels_and_missing_jumps, find_jump_block,
10047         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
10048         Likewise.
10049         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
10050         link_btr_uses, move_btr_def): Likewise.
10051         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
10052         expand_builtin_expect_jump): Likewise.
10053         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
10054         * calls.c (expand_call, emit_library_call_value_1): Likewise.
10055         * cfganal.c (forwarder_block_p): Likewise.
10056         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
10057         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
10058         find_bb_boundaries): Likewise.
10059         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10060         merge_blocks_move_predecessor_nojumps,
10061         merge_blocks_move_successor_nojumps, insns_match_p,
10062         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
10063         try_optimize_cfg): Likewise.
10064         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
10065         * cfglayout.c (skip_insns_after_block, label_for_bb,
10066         record_effective_endpoints, insn_locators_initialize,
10067         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
10068         * cfgmainloop.c (create_loop_notes): Likewise.
10069         * cfgrtl.c (delete_insn, delete_insn_chain,
10070         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
10071         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
10072         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
10073         redirect_branch_edge, force_nonfallthru_and_redirect,
10074         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
10075         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
10076         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
10077         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
10078         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
10079         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
10080         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
10081         * combine.c (combine_instructions, can_combine_p, try_combine,
10082         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
10083         distribute_notes, distribute_links, insn_cuid): Likewise.
10084         * cse.c (fold_rtx, cse_insn, cse_around_loop,
10085         invalidate_skipped_block, cse_set_around_loop,
10086         cse_end_of_basic_block, cse_main, cse_basic_block,
10087         cse_condition_code_reg): Likewise.
10088         * cselib.c (cselib_process_insn): Likewise.
10089         * ddg.c (create_ddg): Likewise.
10090         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
10091         Likewise.
10092         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
10093         gen_label_die, dwarf2out_var_location): Likewise.
10094         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
10095         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
10096         last_call_insn, active_insn_p, next_label, prev_label,
10097         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
10098         add_insn_before, remove_insn, add_function_usage_to,
10099         reorder_insns, find_line_note, remove_unnecessary_notes,
10100         emit_insn_after_1, classify_insn): Likewise.
10101         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
10102         connect_post_landing_pads, sjlj_mark_call_sites,
10103         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
10104         can_throw_internal, can_throw_external, set_nothrow_function_flags,
10105         convert_to_eh_region_ranges): Likewise.
10106         * explow.c (optimize_save_area_alloca): Likewise.
10107         * expr.c (expand_expr_real): Likewise.
10108         * final.c (insn_current_reference_address, compute_alignments,
10109         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
10110         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
10111         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
10112         propagate_block_delete_insn, propagate_one_insn,
10113         init_propagate_block_info, propagate_block, libcall_dead_p,
10114         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
10115         Likewise.
10116         * function.c (instantiate_virtual_regs, reorder_blocks_1,
10117         expand_function_start, expand_function_end, contains,
10118         thread_prologue_and_epilogue_insns,
10119         reposition_prologue_and_epilogue_notes): Likewise.
10120         * gcse.c (constprop_register, bypass_conditional_jumps,
10121         insert_insn_end_bb, gcse_after_reload): Likewise.
10122         * genemit.c (gen_expand, gen_split): Likewise.
10123         * genpeep.c (gen_peephole, main): Likewise.
10124         * global.c (build_insn_chain): Likewise.
10125         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
10126         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
10127         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
10128         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
10129         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
10130         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
10131         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
10132         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
10133         dead_or_predicable): Likewise.
10134         * integrate.c (try_constants): Likewise.
10135         * jump.c (rebuild_jump_labels, cleanup_barriers,
10136         purge_line_number_notes, init_label_info, mark_all_labels,
10137         squeeze_notes, get_label_before, get_label_after,
10138         reversed_comparison_code_parts, simplejump_p, pc_set,
10139         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
10140         delete_barrier, delete_prior_computation, delete_computation,
10141         delete_related_insns, delete_for_peephole, redirect_jump):
10142         Likewise.
10143         * lcm.c (optimize_mode_switching): Likewise.
10144         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
10145         Likewise.
10146         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
10147         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
10148         * loop-iv.c (simplify_using_assignment): Likewise.
10149         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
10150         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
10151         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
10152         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
10153         check_insn_for_givs, check_final_value, update_giv_derive,
10154         basic_induction_var, product_cheap_p, check_dbra_loop,
10155         loop_insn_first_p, last_use_this_basic_block,
10156         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
10157         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
10158         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
10159         sms_schedule_by_order): Likewise.
10160         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
10161         * postreload.c (reload_cse_simplify_operands, reload_combine,
10162         reload_cse_move2add): Likewise.
10163         * predict.c (can_predict_insn_p, estimate_probability,
10164         expected_value_to_br_prob, process_note_predictions): Likewise.
10165         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
10166         * profile.c (branch_prob): Likewise.
10167         * ra-build.c (live_out_1, livethrough_conflicts_bb,
10168         detect_webs_set_in_cond_jump): Likewise.
10169         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
10170         ra_print_rtl_with_bb): Likewise.
10171         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
10172         * recog.c (next_insn_tests_no_inequality, find_single_use,
10173         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
10174         * reg-stack.c (next_flags_user, record_label_references,
10175         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
10176         compensate_edge, convert_regs_1): Likewise.
10177         * regclass.c (scan_one_insn): Likewise.
10178         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
10179         regmove_optimize, fixup_match_1, single_set_for_csa,
10180         combine_stack_adjustments_for_block): Likewise.
10181         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
10182         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
10183         find_equiv_reg): Likewise.
10184         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
10185         reload_as_needed, emit_input_reload_insns, do_output_reload,
10186         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
10187         Likewise.
10188         * reorg.c (find_end_label, emit_delay_sequence,
10189         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
10190         get_jump_flags, rare_destination, mostly_true_jump,
10191         try_merge_delay_insns, redundant_insn, own_thread_p,
10192         fill_simple_delay_slots, fill_slots_from_thread,
10193         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
10194         dbr_schedule): Likewise.
10195         * resource.c (find_basic_block, next_insn_no_annul,
10196         find_dead_or_set_registers, mark_target_live_regs): Likewise.
10197         * rtl.h (RTX_PREV): Likewise.
10198         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
10199         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
10200         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
10201         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
10202         tablejump_p, computed_jump_p, insns_safe_to_move_p,
10203         find_first_parameter_load, can_hoist_insn_p): Likewise.
10204         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
10205         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
10206         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
10207         schedule_ebbs): Likewise.
10208         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
10209         is_conditionally_protected, can_schedule_ready_p,
10210         add_branch_dependences, debug_dependencies): Likewise.
10211         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
10212         Likewise.
10213         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
10214         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
10215         set_dominates_use, ujump_to_loop_cont): Likewise.
10216         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
10217         * varasm.c (output_constant_pool_1): Likewise.
10218
10219 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10220
10221         * tree-scalar-evolution.c: New file.
10222         * tree-scalar-evolution.h: New file.
10223         * tree-ssa-loop-niter.c: New file.
10224         * Makefile.in (SCEV_H): New.
10225         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
10226         * cfgloop.h (struct loop): Add bounds field.
10227         * tree-flow.h (struct tree_niter_desc): New type.
10228         (number_of_iterations_cond, number_of_iterations_exit,
10229         loop_niter_by_eval, find_loop_niter_by_eval,
10230         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
10231         free_numbers_of_iterations_estimates): Declare.
10232         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
10233         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
10234         * doc/invoke.texi (max-iterations-to-track): Document.
10235
10236 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
10237
10238         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
10239         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
10240         (MODE_AFTER): Add cast appropriately.
10241         * config/sh/sh.md (movdi splitter): Likewise.
10242         (casesi_worker_2): Add const qualifier appropriately.
10243         (eh_return): Remove unused variable.
10244         (insv): Initialize v;
10245
10246 2004-07-08  Richard Henderson  <rth@redhat.com>
10247
10248         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
10249         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10250         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
10251         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
10252         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
10253
10254         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
10255         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10256         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
10257         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
10258
10259         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
10260         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10261         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
10262         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
10263
10264         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
10265         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10266         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
10267         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
10268
10269         * config/i860/i860-protos.h (i860_va_arg): Remove.
10270         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10271         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
10272         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
10273
10274 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10275
10276         * system.h: Prototype getpagesize if missing.
10277         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
10278         * configure: Regenerate.
10279         * config.in: Regenerate.
10280
10281 2004-07-08  Richard Henderson  <rth@redhat.com>
10282
10283         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
10284         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10285         (fr30_gimplify_va_arg_expr): New.
10286         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
10287         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
10288
10289 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
10290
10291         PR target/16414
10292         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
10293         of asm_noperands result.
10294
10295 2004-07-08  Richard Henderson  <rth@redhat.com>
10296
10297         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
10298         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10299         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
10300         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
10301
10302 2004-07-08  Richard Henderson  <rth@redhat.com>
10303
10304         * builtins.c (ind_gimplify_va_arg_expr): New.
10305         * tree.h (ind_gimplify_va_arg_expr): Declare.
10306         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
10307
10308 2004-07-08  Jan Beulich  <jbeulich@novell.com>
10309
10310         * expmed.c (extract_bit_field): Correct condition to use vec_extract
10311         patterns also on vector elements other than the first one.
10312         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
10313         break statements.
10314
10315 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
10316
10317         * config/rs6000/darwin-ldouble.c: Correct reference
10318         to the Linnainmaa paper.
10319
10320 2004-07-08  Richard Henderson  <rth@redhat.com>
10321
10322         * config/arc/arc-protos.h (arc_va_arg): Remove.
10323         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10324         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
10325         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
10326
10327         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
10328         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10329         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
10330         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
10331
10332 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10333
10334         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
10335
10336 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10337
10338         * c-decl.c (static_ctors, static_dtors): Make static.
10339         (pop_file_scope): Call c_common_write_pch and
10340         cgraph_finalize_compilation_unit here.
10341         (build_cdtor): Moved here from c-objc-common.c; simplify.
10342         (c_write_global_declarations_1): Clarify comment.
10343         (c_write_global_declarations): Close the external scope before
10344         doing anything else.  Call build_cdtor, cgraph_optimize, and
10345         mudflap_finish_file here.
10346         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
10347         Clarify comment.
10348         * c-objc-common.c: No need to include cgraph.h.
10349         (build_cdtor): Moved to c-decl.c.
10350         (c_objc_common_finish_file): Delete.
10351         * c-tree.h: Update to match.
10352         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
10353         (generate_static_references): Set TREE_USED before calling finish_decl.
10354         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
10355         on the static_instances_decl.
10356
10357 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10358
10359         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
10360         decls when there is only one input translation unit.
10361         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
10362         change of 2004-07-05; do not treat declarations with
10363         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
10364         * opts.c (cur_in_fname): Delete.
10365         * opts.h: Likewise.
10366         * tree.c: Revert changes of 2004-07-05; no special treatment
10367         for TRANSLATION_UNIT_DECLs.
10368         * Makefile.in (tree.o): Update dependencies.
10369
10370 2004-07-08  Roger Sayle  <roger@eyesopen.com>
10371
10372         * builtins.c (fold_builtin_strcpy): Merge functionality from
10373         simplify_builtin_strcpy.  Add additional len argument.  No longer
10374         static.  Remove function prototype.
10375         (fold_builtin_strncpy): Likewise integrate functionality from
10376         simplify_builtin_strncpy.  Add additional slen argument.  No
10377         longer static.  Remove function prototype.
10378         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
10379         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
10380         types of "ignore" and "unlocked" parameters to bool.
10381         (fold_builtin_1):  Add additional ignore argument.  Call renamed
10382         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
10383         builtins.  Update arguments to fold_builtin_strncpy and
10384         fold_builtin_strcpy.  Add function prototype.
10385         (fold_builtin): Add additional Boolean ignore argument to pass
10386         to fold_builtin_1.
10387         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
10388         and fold_builtin_strncpy instead of simplify_builtin_fputs,
10389         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
10390
10391         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
10392         simplify_builtin_strncpy): Delete function prototypes.
10393         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
10394         fold_builtin_strncpy): Add function prototypes here.
10395         (fold_builtin): Update function prototype with new "bool ignore".
10396
10397         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
10398         (ccp_fold_builtin):  Update call to fold_builtin.  Call
10399         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
10400         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
10401         simplify_builtin_strncpy respectively.
10402         * fold-const.c (fold): Update call to fold_builtin.
10403
10404 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10405
10406         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
10407         to strcpy.
10408
10409         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
10410         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
10411         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
10412         * calls.c: Remove ifdefs of macros above.
10413         * functions.c: Likewise.
10414         * expr.c: Likewise.
10415
10416 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10417
10418         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
10419         (arch attribute): Delete.
10420         (current_function_calls_alloca attribute): Rename into calls_alloca.
10421         (calls_eh_return): New attribute.
10422         (leaf_function): Likewise.
10423         (length attribute): Fix formula for sibcalls.
10424         (return insn): Correctly compute the 'length' attribute.
10425         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
10426
10427 2004-07-08  Richard Henderson  <rth@redhat.com>
10428
10429         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
10430         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
10431         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
10432         * tree-eh.c (lower_eh_constructs_1): Likewise.
10433         * tree-sra.c (sra_walk_modify_expr): Likewise.
10434         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
10435         (eliminate_unnecessary_stmts): Likewise.
10436         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10437         * tree-tailcall.c (optimize_tail_call): Likewise.
10438         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
10439
10440 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10441             Jakub Jelinek  <jakub@redhat.com>
10442
10443         * config/i386/i386.c (override_options): Enable
10444         SSE prefetches with -mtune, as long as we are
10445         compiling for i686 or higher.  All i686 processors
10446         accept SSE prefetches as NOPS, some i586's don't.
10447
10448 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10449
10450         PR target/10567
10451         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
10452
10453 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10454
10455         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
10456         the handling of clobbering ASM_EXPRs.
10457
10458 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10459
10460         PR target/16430
10461         * config/sparc/sparc.c (function_value): In 64-bit mode,
10462         return the aggregates larger than 16 bytes like unions.
10463
10464 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10465
10466         PR target/16199
10467         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
10468         'temp' is zero, generate new pseudos as needed and emit the
10469         sequence of insns in single-assignment form.  Resync comments
10470         with code.
10471         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
10472         function before reload.
10473
10474 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
10475
10476         * vec.c (vec_assert_fail): Remove duplicate 'function'.
10477
10478         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
10479
10480         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
10481         Allocation is signed.
10482         (VEC_reserve): Return flag, allocation is signed.
10483
10484 2004-07-08  Richard Henderson  <rth@redhat.com>
10485
10486         * tree-ssa-ccp.c (fold_stmt): Get type directly from
10487         OBJ_TYPE_REF_OBJECT.
10488
10489 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
10490             Neil Booth  <neil@daikokuya.co.uk>
10491
10492         PR c/2511
10493         PR c/3325
10494         * c-decl.c (finish_struct): Ensure bit-fields are given the
10495         correct type.
10496         * c-common.c (c_common_signed_or_unsigned_type): For C, require
10497         the precision to match as well as the mode.
10498         * expr.c (reduce_to_bit_field_precision): New function.
10499         (expand_expr_real_1): Reduce expressions of bit-field type to
10500         proper precision.
10501         * langhooks.h (reduce_bit_field_operations): New hook.
10502         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
10503         Define.
10504         * c-lang.c, objc/objc-lang.c
10505         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
10506         * objc/objc-act.c (check_ivars): Convert types to bit-field types
10507         before checking.
10508         * tree.c (build_nonstandard_integer_type): New function.
10509         * tree.h (build_nonstandard_integer_type): New prototype.
10510         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
10511         conversions between integer and boolean types as useless.
10512
10513 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10514
10515         * c-common.c (c_common_nodes_and_builtins): Do not
10516         create __builtin_ptrdiff_t and __builtin_size_t.
10517
10518 2004-07-08  Andrew Pinski  <apinski@apple.com>
10519
10520         * Makefile.in (libbackend.o): Add -combine to the gcc
10521         command line.
10522
10523 2004-07-08  Nick Clifton  <nickc@redhat.com>
10524
10525         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
10526         Set to -Os.
10527
10528 2004-07-08  Richard Henderson  <rth@redhat.com>
10529
10530         * except.c (expand_eh_region_start, expand_eh_region_end,
10531         expand_eh_handler, expand_eh_region_end_cleanup,
10532         expand_start_all_catch, expand_start_catch, expand_end_catch,
10533         expand_end_all_catch, expand_eh_region_end_allowed,
10534         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
10535         expand_eh_region_end_fixup): Remove.
10536         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
10537         cleanups, outer_cleanups, label_chain, exception_region.
10538         (struct goto_fixup): Remove stack_level, cleanup_list_list.
10539         (struct label_chain): Remove.
10540         (struct stmt_status): Remove x_stack_block_stack.
10541         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
10542         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
10543         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
10544         end_cleanup_deferral, last_cleanup_this_contour,
10545         containing_blocks_have_cleanups_or_stack_level,
10546         any_pending_cleanups): Remove.
10547         (expand_null_return_1): Take no arguments.
10548         (expand_label, expand_naked_return, expand_return,
10549         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
10550         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
10551         expand_end_case_type): Don't use any of them.
10552         * calls.c (expand_call): Likewise.
10553         * dojump.c (do_jump): Likewise.
10554         * function.c (expand_function_end): Likewise.
10555         * expr.c (store_expr, expand_expr_real_1): Likewise.
10556         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
10557         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
10558         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
10559         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
10560         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
10561         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
10562         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
10563         for WITH_CLEANUP_EXPR.
10564         (gimple_push_cleanup): Likewise.
10565         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
10566         * print-tree.c (print_node): Likewise.
10567         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
10568         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
10569         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
10570         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
10571         (GOTO_SUBROUTINE_EXPR): Remove.
10572         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
10573         (DECL_TOO_LATE): Remove.
10574         * except.h, tree.h: Update decls.
10575
10576 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10577
10578         * explow.c (optimize_save_area_alloca): Do not accept parameters.
10579         * passes.c (rest_of_handle_final): Handle symout.
10580         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
10581         Push timevar here.
10582         (rest_of_handle_sched): Break out SMS.  Remove ifs for
10583         flag_schedule_insns and flag_modulo_sched.
10584         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
10585         collect at the end.
10586         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
10587         (rest_of_handle_partition_blocks, rest_of_handle_sms,
10588         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
10589         rest_of_handle_mode_switching, rest_of_handle_jump,
10590         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
10591         rest_of_handle_jump2, rest_of_handle_postreload,
10592         rest_of_handle_flow2, rest_of_clean_state,
10593         rest_of_handle_shorten_branches,
10594         rest_of_handle_prologue_epilogue,
10595         rest_of_handle_branch_target_load_optimize): New.
10596         (rest_of_compilation): Call the above.  Remove ggc_collect
10597         calls moved to rest_of_handle_*.
10598         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
10599
10600         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
10601         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
10602         * except.h (set_nothrow_function_flags): Update comment.
10603         * function.c (current_function_nothrow): Remove.
10604         * output.h (current_function_nothrow): Remove.
10605         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
10606         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
10607
10608 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10609
10610         PR bootstrap/16326
10611         * reorg.c: Revert 2004-06-30 change.
10612         (find_end_label): If HAVE_epilogue and !HAVE_return,
10613         return 0 instead of creating a label at the end of the insn chain.
10614         (optimize_skip): Account for the failure mode of find_end_label.
10615         (fill_simple_delay_slots): Likewise.
10616         (fill_slots_from_thread): Likewise.
10617         (relax_delay_slots): Likewise.
10618
10619 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10620
10621         * tree-flow.h (addressable_vars): Declare.
10622         * tree-ssa-alias.c (addressable_vars): Define.
10623         (setup_pointers_and_addressables): Add addressable variables
10624         to addressable_vars.
10625         * tree-ssa-operands.c (get_stmt_operands): Move
10626         handling of ASM_EXPRs ...
10627         (get_asm_expr_operands): ... here.
10628         When the ASM_EXPR clobbers memory, also clobber addressable
10629         variables.
10630         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
10631         (delete_tree_ssa): Reset addressable_vars.
10632
10633 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10634             Richard Henderson  <rth@redhat.com>
10635
10636         * varasm.c (assemble_variable): Use assemble_zeros for
10637         zero-initialized variables.
10638         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
10639         for SECCAT_BSS and SECCAT_TBSS.
10640
10641 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10642
10643         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
10644
10645         * expmed.c (emit_store_flag): Also special-case double-word
10646         (in-)equality comparison against -1.
10647
10648         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
10649         passing arguments the containers for which are registers.
10650
10651         * calls.c (emit_library_call_value_1): Use mode of function parameter
10652         rather than that of argument since constants have none.
10653
10654 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10655
10656         Introduce H8SX support.
10657         * expr.c (expand_strcpy): Renamed and moved to...
10658         * builtins.c (expand_movstr): ... here.  Tweak.
10659         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
10660         computed or has side effects.
10661         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
10662         unused, or if mempcpy fails.  Adjust the return value in the
10663         latter case.  Use movstr if everything else fails.
10664         * doc/md.texi (movstr): Document.
10665         (movmemM, clrmemM): Fix explanation of memory block operands.
10666         * config/h8300/h8300.md (stpcpy): Renamed to...
10667         (movstr): ... this.  Adjust.
10668         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10669         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
10670         movmem* and clrstr* to clrmem*.
10671         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
10672         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
10673         GENERAL_REGS, always.
10674         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
10675         getting the stack pointer as addr.
10676         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
10677         from general_operand_dst.
10678         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
10679         variant of...
10680         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
10681         instead of requiring it to match only before reload.
10682         (stpcpy_internal_normal): New, normal-mode variant of...
10683         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
10684         `D' instead of requiring it to match only before reload.
10685         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
10686         mode argument.
10687         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
10688         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
10689         h8300_get_index.
10690         * config/h8300/h8300.md (attr type): Add call.
10691         (attr can_delay): If type is call, set it no.
10692         (call, call_value): Set type to call.
10693         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
10694         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
10695         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
10696         * tree.c (get_narrower): Don't narrow integral types into
10697         non-integral types.
10698         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
10699         frame_size *before* the first use.
10700         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
10701         on input.
10702         (peephole2): Don't widen instructions that push SP.  Move
10703         decrement of SP to the end of all stm-generating peepholes.
10704         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10705         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
10706         and OR to set it to all ones.
10707         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10708         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
10709         (call, call_value): Set can_delay to "no".
10710         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
10711         * config/h8300/h8300.md (extzv): Make subreg check more robust.
10712         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10713         * config/h8300/h8300.md (*brabit): Remove.
10714         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
10715         zero_extract.  Use bit_memory_operand as the predicate for
10716         operand 1 and 'WU' as the constraint.  Check the difference
10717         between the base length and the final one when deciding which
10718         type of branch to use.
10719         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10720         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
10721         Use convert_move to extend the result for TARGET_H8300SX.  Check
10722         for QImode memory references.  Optimize the case where the
10723         destination is a paradoxical subreg.
10724         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10725         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
10726         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
10727         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10728         * config/h8300/h8300.md: Include mova.md
10729         (length_table): Add mova and mova_zero.
10730         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
10731         after all constant addresses for '%R', '%X', '%T' and '%S'.
10732         (h8300_mova_length): New function.
10733         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
10734         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
10735         dependencies for s-config, etc.
10736         * config/h8300/gemova.sh: New file.
10737         * config/h8300/mova.md: Generated.
10738         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
10739         * config/h8300/h8300.c (h8300_bitfield_length): New.
10740         (nibble_operand): Adjust.
10741         (h8300_binary_length): Handle conditional binary op.
10742         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
10743         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
10744         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
10745         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
10746         constraints.  WU is introduced as a variant of U that requires a
10747         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
10748         * config/h8300/h8300.md (attr type): Added bitbranch.
10749         (attr length_table): Added bitfield and bitbranch.
10750         (attr length): Compute bitbranch length.
10751         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
10752         least-significant bit of a byte.
10753         (brabit, brabc, brabs): New.
10754         (insv, extzv): Emit bfst and bfld on H8300SX.
10755         (bfld, bfst, seq, sne): New.
10756         (bstzhireg, cmpstz, bstz, bistz): New.
10757         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
10758         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
10759         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
10760         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
10761         (h8sx_unary_memory_operator): New function.
10762         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
10763         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
10764         * config/h8300/h8300.md: Add peepholes to combine reloads and
10765         arithmetic insns.
10766         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10767         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
10768         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
10769         (and?i, ior?i, xor?i): Likewise.
10770         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10771         * config/h8300/h8300.c: Move enums and prototypes to head of file.
10772         Various whitespace fixes.
10773         (h8300_constant_length): New function, split out from...
10774         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
10775         (h8300_classify_operand): Use IN_RANGE.
10776         (h8300_classify_operand): Use h8300_constant_length.
10777         (h8300_short_move_mem_p): Tighten size check.
10778         (h8sx_mergeable_memrefs_p): Tighten equality check.
10779         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
10780         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
10781         for -msx.
10782         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
10783         * config/h8300/crtn.asm: Likewise.
10784         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
10785         if __H8300SX__ is defined.
10786         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
10787         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
10788         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
10789         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
10790         addresses as mode-dependent.
10791         * config/h8300/h8300.c (print_operand_address): Update call to
10792         h8300_get_index.
10793         (h8300_get_index): Take a mode argument.  Rework to fix an
10794         earlier misunderstanding.
10795         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
10796         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
10797         into a register if TARGET_H8300SX.
10798         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
10799         TARGET_H8300SX.  Also disable related define_splits.
10800         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
10801         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
10802         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
10803         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10804         * config/h8300/h8300.h (OK_FOR_Z): New macro.
10805         (EXTRA_CONSTRAINT_STR): Check it.
10806         * config/h8300/h8300.c (h8300_classify_operand): Accept null
10807         class arguments.
10808         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
10809         * config/h8300/h8300.md (length_table): Add mov_imm4.
10810         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
10811         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10812         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
10813         be a label.
10814         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
10815         * config/h8300/h8300.c (h8300_reorg): New function.
10816         (TARGET_MACHINE_DEPENDENT_REORG): Define.
10817         * config/h8300/h8300.md (length): Subtract the length of the
10818         delay slot from (pc) when checking the range of forward branches.
10819         (delay_slot, can_delay): New attributes.
10820         (define_delay): Add bra/s handling.
10821         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
10822         (jump): Add delayed-branch handling.
10823         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
10824         * expr.c (expand_strcpy): New function.
10825         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
10826         (expand_builtin_stpcpy): Likewise.
10827         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
10828         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
10829         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
10830         handling to improve register allocation for -fno-omit-frame-pointer.
10831         (h8sx_split_movmd): Delete, moving er6 handling into...
10832         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
10833         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
10834         (movmd): Add calls to copy_rtx.
10835         (movmd_internal): In the second alternative, allow the initial and
10836         final destination registers to be different .  Update the splitter
10837         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
10838         instead of h8sx_split_movmd.
10839         (stpcpy, movsd): New expanders.
10840         (movsd_internal): New define_insn.
10841         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
10842         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
10843         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
10844         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
10845         and DESTINATION_REGS.
10846         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
10847         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
10848         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
10849         (h8300_move_ratio): Declare.
10850         (MOVE_RATIO): Use it.
10851         * config/h8300/h8300.c (h8300_move_ratio): New variable.
10852         (h8300_init_once): Initialize it.
10853         (h8300_reg_class_from_letter): New function.
10854         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
10855         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
10856         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
10857         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
10858         (movstrsi, movmd): New expanders.
10859         (movmd_internal): New insn.
10860         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
10861         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
10862         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
10863         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
10864         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
10865         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10866         * config/h8300/h8300.c (nibble_operand): Fix warning.
10867         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
10868         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
10869         (movsf_h8300h): Disable for TARGET_H8300SX.
10870         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10871         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
10872         h8300_stm_parallel and h8300_return_parallel.
10873         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
10874         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
10875         h8300_stm_parallel, h8300_return_parallel): New functions.
10876         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
10877         if TARGET_H8300SX.  Use h8300_push_pop.
10878         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
10879         and final pop when generating h8sx code.  Always emit some form
10880         of return insn.
10881         * config/h8300/h8300.md: Don't enforce register alignment in
10882         stm peepholes if TARGET_H8300SX.
10883         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
10884         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
10885         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
10886         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10887         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
10888         (MULTILIB_DIRNAMES): Add a directory for it.
10889         (MULTILIB_MATCHES): Delete.
10890         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10891         * final.c (walk_alter_subreg): Handle addresses with subregs
10892         inside a ZERO_EXTEND or AND.
10893         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
10894         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
10895         if TARGET_H8300SX.
10896         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
10897         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
10898         @(dd,Rn.w) and @(dd,ERn.L).
10899         (h8300_displacement_size): Take the whole address as argument.
10900         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
10901         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10902         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
10903         (h8sx_mergeable_memrefs_p): Declare.
10904         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
10905         (HAVE_PRE_INCREMENT): Likewise.
10906         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
10907         addresses for TARGET_H8300SX,
10908         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
10909         and POST_DEC.
10910         (movb_length_table, movl_length_table): New tables.
10911         (movw_length_table): Define to movb_length_table.
10912         (h8300_displacement_size): New, split out from...
10913         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
10914         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
10915         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
10916         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
10917         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
10918         (compute_plussi_length, compute_plussi_cc): Update accordingly.
10919         (h8sx_unary_shift_operator): Get the mode from the operator.
10920         (binary_shift_operator): Likewise.
10921         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
10922         a memory reference, check whether the reference is offsettable.
10923         (length_table): Add movb, movw and movl.
10924         (movqi): Add new h8sx pattern.  Don't force one operand to be a
10925         register when generating h8sx code.
10926         (movhi, movsi, movsf): Likewise.
10927         (movstrictqi): Use the length_table attribute.
10928         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
10929         (addqi3): Split into a define_expand and define_insn.  Don't accept
10930         memory operands in the expander.  Use h8300_operands_match_p to
10931         check for matching operands in the define_insn.
10932         (subqi3, negqi2, one_cmplqi2): Likewise.
10933         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
10934         in any patterns that are unused in h8sx code.  In the h8sx patterns,
10935         use h8300_operands_match_p to check whether operands match.
10936         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
10937         one_cmpl[hs]i3): Likewise.
10938         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
10939         in the expander.
10940         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
10941         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
10942         (h8300_insn_length_from_table): Add a second parameter.
10943         (output_h8sx_shift): Declare.
10944         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
10945         (EXTRA_CONSTRAINT): Replace with...
10946         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
10947         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
10948         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
10949         and h8sx_binary_shift_operator.
10950         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
10951         for TARGET_H8300SX.
10952         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
10953         (bit_memory_operand, fix_bit_operand): Likewise.
10954         (h8300_length_table_for_insn): Remove.
10955         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
10956         instructions.
10957         (h8300_short_immediate_length, h8300_binary_length): New functions.
10958         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
10959         (output_plussi): Use sub to add negative constants.
10960         (compute_plussi_length): Adjust accordingly.
10961         (h8sx_single_shift_type): New enum.
10962         (h8sx_single_shift, h8sx_unary_shift_operator,
10963         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
10964         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
10965         single h8sx instruction.  Return false in this case.
10966         * config/h8300/h8300.md (length_table): Add short_immediate.
10967         (length): Pass the operand array to h8300_insn_length_from_table.
10968         (adjust_length): Assume "no" for insns with a length_table attribute.
10969         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
10970         (*addhi3_h8300hs): Don't use for h8sx.
10971         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
10972         and sub.w #xx:3.
10973         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
10974         1's predicate to nonimmediate_operand.  Only skip default expansion
10975         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
10976         for single h8sx shift instructions.
10977         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
10978         * config/h8300/h8300.c (nibble_operand): Split out of...
10979         (reg_or_nibble_operand): ... this.
10980         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
10981         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
10982         umulhisi3): Introduce expand, and introduce separate insns for
10983         sign- or zero-extended REG and already-extended CONST_INT.
10984         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
10985         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
10986         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
10987         (subhi3): Likewise.  Don't accept immediates for operand 1.
10988         Remove the early clobber from second alternative of the h8300s pattern.
10989         (subsi3): Generalize for h8sx.  Force operand 2 into a register
10990         on plain h8300 targets.
10991         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
10992         (subsi3_h8300h): Generalize for h8sx.
10993         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
10994         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
10995         * config/h8300/h8300.c (reg_or_nibble_operand): New.
10996         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
10997         (TARGET_H8300SXMUL): New.
10998         (CONST_OK_FOR_P): New.
10999         (CONST_OK_FOR_LETTER_P): Adjust.
11000         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
11001         umulhisi3): Accept 4-bit immediate on H8SX.
11002         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
11003         (udivsi3, divhi3, udivsi3, divsi3): New.
11004         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
11005         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
11006         * config/h8300/h8300.h (OK_FOR_Q): New macro.
11007         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
11008         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
11009         Add ADDRESSOF to the bit_operand entry.
11010         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
11011         (h8300_src_operand): Likewise.
11012         (bit_operand): Check nonimmediate_operand rather than general_operand.
11013         Accept any nonimmediate_operand in h8sx code.
11014         (h8300_and_costs): Initialize operands[1].
11015         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
11016         (h8300_operand_class): New enum.
11017         (h8300_length_table): New typedef.
11018         (addb_length_table, addw_length_table, addl_length_table,
11019         logicl_length_table): New tables.
11020         (logicb_length_table, logicw_length_table): New macros.
11021         (h8300_classify_operand, h8300_length_from_table,
11022         h8300_length_table_for_insn, h8300_unary_length,
11023         h8300_insn_length_from_table): New functions.
11024         (output_plussi): Only use adds and subs for register destinations.
11025         Disable redundant clause.
11026         (compute_plussi_cc): Likewise.
11027         (compute_plussi_length): Likewise.  Use h8300_length_from_table
11028         to work out the length of an insn.
11029         (output_logical_op): Only use narrower immediate instructions
11030         if the destination is a register.
11031         (compute_logical_op_cc): Likewise.
11032         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
11033         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
11034         * config/h8300/h8300.md (length_table): New attribute.
11035         (length): When an instruction has a length_table attribute, use
11036         h8300_insn_length_from_table to calculate its default length.
11037         (cmpqi): Use h8300_dst_operand for the first operand and
11038         h8300_src_operand for the second.
11039         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
11040         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
11041         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
11042         iorsi3, xorhi3, xorsi3): Likewise.
11043         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
11044         so that it allows any combination of operands for TARGET_H8300SX.
11045         (iorqi3, xorqi3): Likewise.
11046         (cmpqi): Use the length_table attribute.
11047         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
11048         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
11049         (cmpqi): Add 'Q' constraint.
11050         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
11051         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
11052         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
11053         * config/h8300/h8300.h (MASK_H8300SX): New macro.
11054         (TARGET_H8300S): True for both -ms and -msx.
11055         (TARGET_H8300SX): New macro.
11056         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
11057         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
11058         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
11059         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
11060         [Temporary change.]
11061         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
11062         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
11063         16-bit pointers and 32-bit ints.
11064         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
11065         CONST_DOUBLE with mode no wider than SImode.
11066         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
11067         output operand.
11068         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
11069         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
11070         or SUBREG thereof.
11071         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
11072         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
11073         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
11074
11075 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
11076
11077         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
11078
11079 2004-07-07  Per Bothner  <per@bothner.com>
11080
11081         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
11082
11083 2004-07-07  Mike Stump  <mrs@apple.com>
11084
11085         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
11086         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
11087         (machopic_finish): Likewise.
11088
11089 2004-07-07  Richard Henderson  <rth@redhat.com>
11090
11091         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
11092         through any value-preserving cast.
11093
11094 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
11095
11096         * function.c (assign_parm_find_data_types): Call
11097         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
11098
11099 2004-07-07  Steven Bosscher  <stevenb@suse.de>
11100
11101         * tree-cfg.c (group_case_labels): Remove case labels that have
11102         the same target as the default case.
11103
11104 2004-07-07  Steven Bosscher  <stevenb@suse.de>
11105
11106         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
11107         regardless of DECL_LANG_SPECIFIC being present or not.
11108         * tree.h (DECL_NUM_STMTS): Purge.
11109
11110 2004-07-07  Andrew Pinski  <apinski@apple.com>
11111
11112         * configure: Regenerate with the right autoconf.
11113
11114 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
11115
11116         * ifcvt.c (total_bb_rtx_cost): New function.
11117         (find_if_case_1): Compare rtx_cost of basic block to cost of
11118         BRANCH_COST insns.
11119         (find_if_case_2): Same.
11120
11121 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11122
11123         PR target/10567
11124         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
11125         (output_return): Likewise.
11126         (output_sibcall): Abort if !flag_delayed_branch.
11127         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
11128         (emit_and_preserve): New function.
11129         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
11130         indirect jump to the thunked-to function if !flag_delayed_branch.
11131         * config/sparc/sparc.md (delayed_branch): New attribute.
11132         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
11133         attribute to compute the length of the insn.
11134         (goto_handler_and_restore): Likewise.
11135
11136 2004-07-07  Andrew Pinski  <apinski@apple.com>
11137
11138         PR tree-optimization/15777
11139         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
11140
11141         * expr.c (expand_expr_real_1): Fix formating.
11142         BUFFER_REF and IN_EXPR are dead.
11143         * fold-const.c (non_lvalue): BUFFER_REF is dead.
11144         * tree-inline.c (estimate_num_insns_1): Likewise.
11145         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
11146         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
11147         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
11148
11149 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
11150
11151         * collect2.c (dump_file): Don't call cplus_demangle if
11152         HAVE_LD_DEMANGLE is defined.
11153         (main): Pass "--demangle" to ld if no_demangle is not 0 and
11154         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
11155         if HAVE_LD_DEMANGLE is defined.
11156
11157         * configure.ac (--with-demangler-in-ld): Added
11158         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
11159         --with-demangler-in-ld is used.
11160         * config.in: Regenerated.
11161         * configure: Likewise.
11162
11163 2004-07-07  Roger Sayle  <roger@eyesopen.com>
11164
11165         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
11166         for simple floating point operations "fp", double precision
11167         multiplication "dmul", and single and double precision division
11168         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
11169         (ppc630_cost): New table split from ppc620_cost, to distinguish
11170         differences in floating point latencies.
11171         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
11172         (rs6000_rtx_costs): Add support for single and double precision
11173         floating point addition, subtraction, multiplication, division,
11174         fused-multiply-add, fused-multiply-sub, negation, absolute value
11175         and negative absolute value.  Tweak MEM case to use prefered idiom.
11176
11177 2004-07-07  Richard Henderson  <rth@redhat.com>
11178
11179         * tree-flow-inline.h (may_propagate_copy): Move...
11180         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
11181         attempt to copy between types requiring conversion.
11182         * tree-flow.h (may_propagate_copy): Update decl.
11183         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
11184
11185 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
11186
11187         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
11188         from -mtune= option.
11189
11190 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
11191
11192         * builtins.c: Rename movstr*, except for movstrict*, to
11193         movmem* and clrstr* to clrmem*.
11194         * expr.c: Likewise.
11195         * expr.h: Likewise.
11196         * genopinit.c: Likewise.
11197         * integrate.c: Likewise.
11198         * local-alloc.c: Likewise.
11199         * optabs.c: Likewise.
11200         * optabs.h: Likewise.
11201         * config/alpha/alpha.h: Likewise.
11202         * config/alpha/alpha.md: Likewise.
11203         * config/arm/arm-protos.h: Likewise.
11204         * config/arm/arm.c: Likewise.
11205         * config/arm/arm.md: Likewise.
11206         * config/avr/avr.md: Likewise.
11207         * config/c4x/c4x.c: Likewise.
11208         * config/c4x/c4x.md: Likewise.
11209         * config/frv/frv.md: Likewise.
11210         * config/i386/i386-protos.h: Likewise.
11211         * config/i386/i386.c: Likewise.
11212         * config/i386/i386.h: Likewise.
11213         * config/i386/i386.md: Likewise.
11214         * config/i860/i860.c: Likewise.
11215         * config/i860/i860.md: Likewise.
11216         * config/ip2k/ip2k.md: Likewise.
11217         * config/ip2k/libgcc.S: Likewise.
11218         * config/ip2k/t-ip2k: Likewise.
11219         * config/m32r/m32r.c: Likewise.
11220         * config/m32r/m32r.md: Likewise.
11221         * config/mcore/mcore.md: Likewise.
11222         * config/mips/mips.c: Likewise.
11223         * config/mips/mips.md: Likewise.
11224         * config/ns32k/ns32k.c: Likewise.
11225         * config/ns32k/ns32k.h: Likewise.
11226         * config/ns32k/ns32k.md: Likewise.
11227         * config/pa/pa.c: Likewise.
11228         * config/pa/pa.md: Likewise.
11229         * config/pdp11/pdp11.h: Likewise.
11230         * config/pdp11/pdp11.md: Likewise.
11231         * config/rs6000/rs6000.c: Likewise.
11232         * config/rs6000/rs6000.md: Likewise.
11233         * config/s390/s390-protos.h: Likewise.
11234         * config/s390/s390.c: Likewise.
11235         * config/s390/s390.md: Likewise.
11236         * config/sh/lib1funcs.asm: Likewise.
11237         * config/sh/sh.c: Likewise.
11238         * config/sh/sh.md: Likewise.
11239         * config/sh/t-sh: Likewise.
11240         * config/sparc/sparc.h: Likewise.
11241         * config/vax/vax.md: Likewise.
11242         * config/xtensa/xtensa.c: Likewise.
11243         * config/xtensa/xtensa.md: Likewise.
11244         * doc/invoke.texi: Likewise.
11245         * doc/md.texi: Likewise.
11246         * doc/rtl.texi: Likewise.
11247
11248 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
11249
11250         PR target/16407
11251         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
11252         * config/mips/mips.c (mips_declare_common_object): New function,
11253         mostly split out from...
11254         (mips_output_aligned_decl_common): ...here.
11255         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
11256         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
11257         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
11258         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
11259
11260 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11261
11262         PR c/16392
11263         * function.c (assign_parms): Fix typo from previous change.
11264
11265 2004-07-07  Jason Merrill  <jason@redhat.com>
11266
11267         PR c++/15815
11268         * doc/extend.texi (C++ Interface): Correct information and
11269         discourage use.
11270
11271 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
11272
11273         PR target/16130
11274         PR target/16142
11275         PR target/16143
11276         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
11277         insn.
11278
11279 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11280
11281         PR target/1679.
11282         * config/m32r/m32r.c (m32r_function_symbol): New function:
11283         Generate a symbol name RTX with the correct m32r specific flags
11284         set.
11285         (block_move_call): Use new function to generate correct symbol.
11286         * config/m32r/m32r-protos.h: Add prototype for new funcion.
11287         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
11288         function.
11289
11290 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
11291
11292         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
11293         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
11294         TYPE_BINFO_BASETYPE): Remove.
11295         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
11296         to ...
11297         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
11298         here.
11299         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
11300         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
11301         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
11302         (struct tree_binfo): Rename base_types to base_binfos.
11303         * alias.c (record_component_aliases): Adjust BINFO macros.
11304         * dbxout.c (dbxout_type): Likewise.
11305         * dwarf2out.c (gen_member_die): Likewise.
11306         * sdbout.c (sdbout_one_type): Likewise.
11307         * tree-dump.c (deque_and_dump): Likewise.
11308         * config/i386/i386.c (classify_argument,
11309         contains_128bit_aligned_vector_p): Likewise.
11310
11311 2004-07-07  Nick Clifton  <nickc@redhat.com>
11312
11313         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
11314         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
11315
11316 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
11317
11318         * vec.h: Fix the example use.
11319
11320 2004-07-06  Richard Henderson  <rth@redhat.com>
11321
11322         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
11323         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
11324         * tree-inline.c (copy_body_r, setup_one_parameter,
11325         initialize_inlined_parameters, expand_call_inline,
11326         declare_inline_vars): Don't check it.
11327         (expand_calls_inline): Remove old version, rename new version
11328         from gimple_expand_calls_inline.
11329         * tree-optimize.c (execute_gimple): Remove.
11330         (pass_gimple): Don't run anything.
11331
11332 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11333
11334         * doc/sourcebuild.texi: Use semicolons instead of commas in
11335         section title.
11336
11337 2004-07-06  Richard Henderson  <rth@redhat.com>
11338
11339         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
11340         (sra_walk_modify_expr, scan_init): Likewise.
11341         (generate_element_zero): Check visited before scanning children.
11342         (generate_element_init): Set visited on error.
11343         (scalarize_init): Handle generate_element_init failure similar
11344         to use_block_copy.
11345
11346 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11347
11348         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
11349         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
11350
11351 2004-07-06  Richard Henderson  <rth@redhat.com>
11352
11353         * config/i386/i386.c (legitimize_pic_address): Make static.
11354         (legitimize_address): Handle CONST with TLS operand.
11355         (ix86_expand_move): Don't call legitimize_pic_address directly.
11356         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
11357
11358 2004-07-06  Roger Sayle  <roger@eyesopen.com>
11359
11360         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
11361         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
11362         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
11363         is currently executed unconditionally, i.e. not in "else_bb".
11364
11365 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11366
11367         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
11368         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11369         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
11370         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11371         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
11372         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11373         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
11374         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11375         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
11376         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11377         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
11378         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11379         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
11380         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11381         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
11382         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11383
11384 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11385
11386         * dojump.c (do_jump): REFERENCE_EXPR is dead.
11387         * expr.c (expand_expr_real_1): Ditto.
11388         * tree-inline.c (estimate_num_insns_1): Ditto.
11389         * tree-pretty-print.c (dump_generic_node): Ditto.
11390         (op_symbol): Ditto.
11391         * tree.def: Ditto.
11392
11393 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11394
11395         * tree-ssa-pre.c (reference_node_pool): New pool.
11396         (find_or_generate_expression): Class 'r' is okay too.
11397         (create_value_expr_from): Ditto.
11398         (add_to_sets): LHS should not include vuses.
11399         (eliminate): Ditto.
11400         (compute_avail): Reverse ordering of tests.
11401         Valuize INDIRECT_REF as well.
11402
11403 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
11404
11405         PR rtl-optimization/16380
11406         * loop.c (check_dbra_loop): Sink comparison instructions if they
11407         do something other than set cc0.
11408
11409 2004-07-06  James E Wilson  <wilson@specifixinc.com>
11410
11411         * doc/interface.texi (longjmp and automatic variables): Delete
11412         paragraph recommending taking the address of a variable.
11413
11414 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11415
11416         * vec.h (VEC_embedded_alloc): Remove.
11417         (VEC_embedded_size, VEC_embedded_init): New.
11418         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
11419         MEM_STAT_INFO.
11420         (VEC_truncate): New.
11421         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
11422         (vec_embedded_alloc): Remove.
11423         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
11424         (vec_embedded_alloc): Remove.
11425
11426 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
11427
11428         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
11429         (gt-langhooks.h): Remove.
11430
11431 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
11432
11433         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
11434
11435 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
11436
11437         * config/sparc/sparc.c (get_pc_symbol): Rename into
11438         add_pc_to_pic_symbol.
11439         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
11440         (load_pic_register): Account for previous changes.
11441         Use reg_names.  Don't create the label twice.
11442         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
11443         UNSPEC_LOAD_PCREL_SYM.
11444         (get_pc): Rename into load_pcrel_sym.  Add predicate to
11445         operands.  Remove condition.
11446
11447 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11448
11449         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
11450         RECORD, UNION & QUAL_UNION is actually a binfo.
11451
11452         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
11453         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
11454         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
11455         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
11456         * dwarf2out.c (add_data_member_location_attribute): Likewise.
11457         (gen_inheritance_die): Likewise.
11458         * tree-dump.c (deque_and_dump): Likewise.
11459         * doc/c-tree.texi (Binfos): Add under reconstruction note.
11460
11461 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11462
11463         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11464         Define.
11465         * config/mcore/mcore.md: Model memory latency with a simple DFA
11466         pipeline description instead of a define_function_unit.
11467
11468 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11469
11470         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
11471         * langhooks.h (var_mod_type_p): Likewise.
11472         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
11473         * expr.c (count_type_elements): Properly handle return from
11474         array_type_nelts and properly test for overflow.
11475         * gimplify.c (gimplify_init_constructor): Properly handle return
11476         from array_type_nelts.
11477         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
11478         * integrate.c (copy_decl_for_inlining): Correct comments.
11479         * tree-inline.c (remap_decl): Update comments, remove dead code,
11480         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
11481         (remap_type): Only remap if variably modified by vars in function
11482         being inlined.
11483         (copy_body_r): Use compatible_type langhooks to see when can fold.
11484         (setup_one_parameter): Don't remap type.
11485         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
11486         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
11487         compute TREE_INVARIANT for decl case.
11488         (find_var_from_fn): New function.
11489         (variably_modified_type_p): Add arg and call new function.
11490         * tree.h (variably_modified_type_p): Add extra arg.
11491
11492 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
11493
11494         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
11495         (goto_handler_and_restore_v9): Delete disabled insn.
11496         (goto_handler_and_restore_v9_sp64): Likewise.
11497
11498 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11499
11500         * calls.c (load_register_parameters): Call expand_shift instead
11501         of expand_binop with ashl_optab (or other shift optab) directly.
11502         * expr.c (emit_group_load, emit_group_store): Likewise.
11503         * function.c (assign_parm_setup_block): Likewise.
11504         * stmt.c (shift_return_value): Likewise.
11505
11506 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
11507
11508         * expr.c (expand_assignment): Disable the bitfield += optimizations.
11509
11510 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11511
11512         * doc/sourcebuild.texi: Revert previous patch.
11513
11514 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11515
11516         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
11517         TARGET_MEM_FUNCTIONS.
11518         * system.h: Poison TARGET_MEM_FUNCTIONS.
11519         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
11520         bcmp_libfunc, bzero_libfunc): Remove.
11521         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
11522         bzero_libfunc.
11523         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
11524         * doc/standards.texi: Don't mention calling BSD string functions.
11525         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
11526         * config/vax/t-memfuncs: New.
11527         * config/memcmp.c, config/memcpy.c, config/memmove.c,
11528         config/memset.c: New.
11529         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
11530         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
11531         vax/t-memfuncs.
11532         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
11533         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
11534         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
11535         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
11536         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
11537         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
11538         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
11539         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
11540         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
11541         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
11542
11543 2004-07-05  Richard Henderson  <rth@redhat.com>
11544
11545         * function.c (assign_parm_setup_reg): Properly rename variables in
11546         FUNCTION_ARG_CALLEE_COPIES section.
11547
11548 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11549
11550         * tree-mudflap.c: Include cgraph.h.
11551         (mf_init_extern_trees): Rename to mudflap_init.  Export.
11552         Rewrite to create synthetic declarations instead of looking
11553         up declarations from mf-runtime.h.
11554         (mf_make_builtin, mf_make_cache_struct_type): New functions.
11555         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
11556         Correct commentary.
11557         (execute_mudflap_function_decls, mudflap_register_call):
11558         Don't call mf_init_extern_trees.
11559         (mudflap_finish_file): Use cgraph_build_static_cdtor.
11560
11561         * tree-mudflap.h: Update prototypes.
11562         * c-mudflap.c: Delete file.
11563         * c-common.c: Include tree-mudflap.h.
11564         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
11565         * Makefile.in: Remove all references to c-mudflap.o.
11566         Update dependencies.
11567
11568 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11569
11570         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
11571         displacements with the spatial-locality cache-control completer.
11572
11573 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11574
11575         * langhooks.c: Don't include gt-langhooks.h.
11576         (var_labelno): Delete.
11577         (lhd_set_decl_assembler_name): Do not append a distinguishing
11578         number to file-scope internal-linkage declarations for the first
11579         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
11580         the declaration itself (if at block scope), or its containing
11581         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
11582         number.
11583
11584         * opts.c (cur_in_fname): New global.
11585         * opts.h: Declare it.
11586         * tree.c: Include opts.h.
11587         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
11588         DECL_UID equal to cur_in_fname.
11589         (copy_node_stat): Do not change DECL_UID when copying a
11590         TRANSLATION_UNIT_DECL.
11591         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
11592         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
11593
11594         * c-decl.c (c_static_assembler_name): Delete.
11595         * c-tree.h (c_static_assembler_name): Delete prototype.
11596         * c-lang.c, objc/objc-lang.c: Don't override
11597         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
11598
11599         * Makefile.in (tree.o): Update dependencies.
11600         (GTFILES): Remove langhooks.c.
11601
11602 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11603
11604         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
11605         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
11606         Normalize "X % C" as "X % -C" for signed modulus and negative C.
11607         Optimize "X % -Y" as "X % Y" for signed modulus.
11608         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
11609         into "((unsigned) X % Y) == 0".
11610
11611 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11612
11613         * sourcebuild.texi (Config Fragments): Use @comma{} in
11614         cross-reference to section title.
11615
11616 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11617
11618         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
11619         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
11620         (gimplify_target_expr, gimplify_expr): Likewise.
11621         (copy_if_shared_r): No longer need special case for BIND_EXPR.
11622         (unshare_body, unvisit_body): Only look at nested if BODY_P is
11623         whole function.
11624         (gimplify_compound_lval): See if we can strip any useless conversion.
11625         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
11626         from RHS, not LHS.
11627         (gimplify_modify_expr_to_memset): Likewise.
11628         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
11629         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
11630         (declare_inline_vars): Likewise.
11631         (walk_type_fields): New function.
11632         (walk_tree): Use it.
11633         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
11634
11635         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
11636         (sra_walk_modify_expr): Allow init function to fail.
11637         (scan_init): Now returns bool.
11638         (generate_element_init): If can't understand INIT, return false.
11639         (scalarize_init): Return false if generate_element_init does.
11640
11641         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
11642         print bounds.
11643
11644         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
11645         bounds if bounds aren't constant.
11646
11647         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
11648
11649         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
11650         to type hooks; remove bogus PARAMS.
11651
11652 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
11653
11654         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
11655         * dwarf2out.c (add_data_member_location_attribute): Check for
11656         TREE_BINFO.
11657         * tree.c (tree_node_kinds): Add "binfos".
11658         (binfo_lang_slots): New.
11659         (make_node_stat): Add TREE_BINFO.
11660         (make_tree_binfo_stat): New.
11661         (tree_node_structure): Add TREE_BINFO.
11662         * tree.def (TREE_BINFO): New.
11663         * tree.h (REC_OR_UNION_CHECK): Rename to ...
11664         (RECORD_OR_UNION_CHECK): ... here.
11665         (NOT_RECORD_OR_UNION_CHECK): New.
11666         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
11667         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
11668         RECORD_OR_UNION_CHECK.
11669         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
11670         (TYPE_LANG_SLOT_1): New.
11671         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
11672         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
11673         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
11674         (BINFO_ELTS): Remove.
11675         (BINFO_LANG_SLOT): New.
11676         (struct tree_binfo): New.
11677         (binfo_lang_slots): Declare.
11678         (enum tree_node_structure_enum): Add TS_BINFO.
11679         (union tree_node): Add binfo.
11680         (make_tree_binfo_stat): Declare.
11681         (make_tree_binfo): New.
11682         (enum tree_node_kind): Add binfo_kind.
11683
11684         * objc/objc-act.c (start_class, objc_declare_protocols,
11685         start_protocols): Use TYPE_LANG_SLOT_1.
11686         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
11687         to ...
11688         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
11689         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
11690         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
11691         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
11692
11693 2004-07-05  Steven Bosscher  <stevenb@suse.de>
11694
11695         * rtl.h (struct rtx_def): Remove the integrated flag.
11696         Use the return_val flag for MEM_SCALAR_P.
11697         Reshuffle and update flags in CLEAR_RTX_FLAGS.
11698
11699 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
11700
11701         PR target/16357
11702         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
11703         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
11704         move_by_pieces.
11705
11706 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
11707
11708         * var-tracking.c: Fix some comments.
11709         (frame_stack_adjust): New.
11710         (vt_stack_adjustments): Init stack_adjust of entry block to
11711         minus stack adjustment of function prologue.
11712         (adjust_stack_reference): Do not adjust if adjustment == 0.
11713         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
11714         (emit_notes_in_bb): Likewise.
11715         (vt_add_function_parameters): Do not adjust locations of
11716         function arguments.
11717         (vt_initialize): Compute the stack adjustment of function
11718         prologue and offset the initial "location" of frame_base_decl
11719         from the stack pointer after prologue.
11720
11721 2004-07-04  Richard Henderson  <rth@redhat.com>
11722
11723         * function.c (struct assign_parm_data_all): New.
11724         (struct assign_parm_data_one): New.
11725         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
11726         assign_parm_find_data_types, assign_parms_setup_varargs,
11727         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
11728         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
11729         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
11730         assign_parm_setup_block, assign_parm_setup_reg,
11731         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
11732         (assign_parms): ... here.
11733
11734 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
11735
11736         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
11737         now are bitmap_set_t's.
11738         (bitmap_insert_into_set): No point in inserting the value if
11739         it's invariant.
11740         (bitmap_set_contains): New function.
11741         (bitmap_set_replace_value): Add comment on why we do it
11742         this way.
11743         (set_contains): Removed.
11744         (bitmap_set_subtract_from_value_set): New name of
11745         set_subtract now that it's arguments are two different
11746         types of sets.
11747         Update callers.
11748         (bitmap_find_leader): Change algorithm used.
11749         (find_or_generate_expression): Update use of functions for new
11750         bitmap sets.
11751         (create_expression_by_pieces): Ditto.
11752         (insert_aux): Ditto.
11753         (insert): Ditto.
11754         (add_to_sets): Ditto.
11755         (init_pre): Ditto.
11756         (execute_pre): Ditto.
11757         (compute_avail): Ditto.
11758         Also ignore virtual phis.
11759
11760 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11761
11762         * combine.c (simplify_comparison): Fix comment typo.
11763
11764 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11765
11766         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
11767         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
11768         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
11769         (output_restore): Change parameter from 'insn' to 'pat'.
11770         (output_return): Adjust call to output_restore.
11771         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
11772         Adjust call to output_restore.
11773
11774 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11775
11776         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
11777         and assert system is bsd.
11778
11779 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11780
11781         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
11782         (TARGET_SWITCHES): Remove -mdebugc.
11783         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
11784         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
11785         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
11786         (sle_[sd]i_reg): Delete.
11787
11788 2004-07-04  Steven Bosscher  <stevenb@suse.de>
11789
11790         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11791         Define.
11792         * config/iq2000/iq2000.md: Translate old pipeline description to an
11793         equivalent new one.
11794
11795 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11796
11797         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
11798         Ensure the replacement rhs is valid gimple before performing
11799         the substitution.  Return false if these sanity checks fail.
11800         (fold_stmt): Only set changed to true, if set_rhs returns true.
11801         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
11802         succeeds.
11803
11804 2004-07-04  Richard Henderson  <rth@redhat.com>
11805
11806         PR c/16348
11807         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
11808
11809 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
11810
11811         * configure.ac (ranlib_flags): New variable.
11812         * Makefile.in (RANLIB_FLAGS): New variable.
11813         (libbackend.a): Use it.
11814         * configure: Regenerated.
11815
11816 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11817
11818         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
11819         a "sign mask" instead of using ashr_optab directly.
11820
11821 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11822
11823         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
11824         * doc/cppopts.texi: Clarify processing of command-line defines.
11825
11826 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
11827
11828         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
11829
11830 2004-07-04  Richard Henderson  <rth@redhat.com>
11831
11832         * rtl.def (ADDRESSOF): Remove.
11833         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
11834         (find_base_term, memrefs_conflict_p): Likewise.
11835         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
11836         (fold_rtx, cse_insn, set_live_p): Likewise.
11837         * dwarf2out.c (mem_loc_descriptor): Likewise.
11838         (add_location_or_const_value_attribute): Likewise.
11839         * emit-rtl.c (copy_insn_1): Likewise.
11840         * explow.c (memory_address): Likewise.
11841         * expmed.c (store_split_bit_field): Likewise.
11842         * expr.c (expand_expr_real_1): Likewise.
11843         * function.c (instantiate_decl
11844         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
11845         * genrecog.c (preds, validate_pattern): Likewise.
11846         * integrate.c (copy_rtx_and_substitute): Likewise.
11847         * recog.c (general_operand, register_operand): Likewise.
11848         (memory_address_p): Likwise.
11849         * reload1.c (eliminate_regs, elimination_effects): Likewise.
11850         * rtl.c (copy_rtx): Likewise.
11851         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
11852         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
11853         * rtlhooks.c (gen_lowpart_general): Likewise.
11854         * stmt.c (expand_asm_operands): Likewise.
11855         * web.c (entry_register, replace_ref, web_main): Likewise.
11856         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
11857         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
11858         * config/arm/arm.c (thumb_rtx_costs): Likewise.
11859         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
11860         * config/frv/frv.c (move_destination_operand, move_source_operand,
11861         condexec_dest_operand, condexec_source_operand,
11862         condexec_memory_operand): Likewise.
11863         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
11864         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
11865         (destination_xfmode_operand): Likewise.
11866         * config/mips/mips.h (PREDICATE_CODES): Likewise.
11867         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
11868         * config/s390/s390.c (general_s_operand): Likewise.
11869         * config/s390/s390.md (mov*): Likewise.
11870         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
11871
11872         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
11873         * expr.c (expand_expr_real_1): Likewise.
11874         * stmt.c (expand_decl): Likewise.
11875         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
11876
11877         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
11878         postponed_insns, put_var_into_stack, put_reg_into_stack,
11879         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
11880         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
11881         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
11882         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
11883         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
11884         purge_bitfield_addressof_replacements, purge_addressof_replacements,
11885         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
11886         struct insns_for_mem_walk_info, insns_for_mem_walk,
11887         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
11888         setjmp_protect_args): Remove.
11889         (push_function_context_to): Don't handle var_refs_queue.
11890         (pop_function_context_from, free_after_compilation): Likewise.
11891         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
11892         (assign_parms, allocate_struct_function): Likewise.
11893         (use_register_for_decl): New.
11894         (expand_function_end): Don't setjmp_protect.
11895         * function.h (struct emit_status): Update commentary.
11896         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
11897         (max_parm_reg, parm_reg_stack_loc): Remove.
11898         * passes.c (DFI_addressof): Remove.
11899         (dump_file_info): Remove addressof.
11900         (rest_of_handle_addressof): Remove.
11901         (rest_of_compilation): Don't call it.
11902         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
11903         * stmt.c (expand_decl): Use use_register_for_decl.
11904         * tree.h: Update decls.
11905         * web.c (mark_addressof): Remove.
11906         * doc/invoke.texi (-dF): Remove.
11907
11908 2004-07-03  Richard Henderson  <rth@redhat.com>
11909
11910         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
11911         instead of gen_mem_addressof.
11912         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
11913         TImode output register.
11914
11915 2004-07-03  Richard Henderson  <rth@redhat.com>
11916
11917         PR tree-optimization/16341
11918         * tree-sra.c (sra_walk_function): Increment to next stmt before
11919         processing the current stmt.
11920         (sra_insert_after): Always use BSI_SAME_STMT.
11921
11922 2004-07-03  Richard Henderson  <rth@redhat.com>
11923
11924         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
11925         fp plus with minus.
11926
11927 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
11928
11929         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
11930         with tree_int_cst_equal.
11931
11932 2004-07-03  Andreas Schwab  <schwab@suse.de>
11933
11934         * config/ia64/ia64.md: Define new attribute "empty".
11935         (prologue_use, nop_x, insn_group_barrier): Set it.
11936
11937         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
11938         skip over "empty" insns.
11939
11940 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11941
11942         * tree-inline.c (initialize_inlined_parameters): Pass proper function
11943         context to gimplify_body.
11944         (walk_tree): Don't walk into types twice.
11945         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
11946
11947         * tree-sra.c (generate_element_init): Remove any useless conversions.
11948
11949         * gimplify.c (gimplify_conversion): Remove stripping useless
11950         conversions from here.
11951         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
11952         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
11953         Unshare before substituting PLACEHOLDER_EXPR.
11954         (gimplify_modify_expr_to_memset): Likewise.
11955         Pass address of TO to memset, not TO itself.
11956         (gimplify_init_constructor): Make copy of OBJECT so we have it each
11957         time we make an expression (to match a PLACEHOLDER_EXPR).
11958
11959         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
11960         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
11961         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
11962         * tree-ssa-dom.c (local_fold): Likewise.
11963
11964         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
11965         * langhooks.h (strct lang_hooks): New field type_max_size.
11966         * function.c (assign_temp): Call it.
11967
11968 2004-07-03  Steven Bosscher  <stevenb@suse.de>
11969
11970         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
11971         * config/sh/sh.md: Convert the SH1 pipeline description to
11972         a DFA model.
11973
11974 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
11975
11976         * c-decl.c (struct c_binding): Remove contour field; add
11977         depth, invisible, nested fields.
11978         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
11979         (B_IN_EXTERNAL_SCOPE): New convenience macros.
11980         (bind): Add invisible and nested arguments. Initialize
11981         new fields of struct c_binding; adjust loop scanning for
11982         insertion point.
11983         (free_binding_and_advance): Clear structure with memset.
11984         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
11985         in file scope, even if it's in external scope too.
11986         (pushdecl): Adjust to match.  Create invisible file-scope
11987         declarations for block-scope forward declarations of static functions.
11988         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
11989         (undeclared_variable, lookup_label, declare_label, define_label)
11990         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
11991         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
11992         (store_parm_decls_oldstyle): Adjust to match.
11993         (diagnose_mismatched_decls): Correct handling of linkage clashes.
11994         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
11995
11996         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
11997         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
11998
11999 2004-07-02  Richard Henderson  <rth@redhat.com>
12000
12001         * c-decl.c (grokdeclarator): Don't frob current_function_decl
12002         around variable_size.
12003         (set_decl_nonlocal): Remove.
12004         (store_parm_decls): Add stmts for pending sizes.
12005         * calls.c (calls_function, calls_function_1): Remove.
12006         (precompute_arguments): Don't call it.
12007         * cfgexpand.c (set_save_expr_context): Remove.
12008         (tree_expand_cfg): Don't call it.
12009         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
12010         (dwarf2out_finish): Likewise.
12011         * expr.c (emit_block_move): Adjust addresses to BLKmode.
12012         (store_constructor): Don't pre-evaluate SAVE_EXPR.
12013         (safe_from_p): Don't queue SAVE_EXPRs.
12014         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
12015         or build plain VAR_DECLs.
12016         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
12017         (fold): Likewise.
12018         (fold_checksum_tree): Don't special-case SAVE_EXPR.
12019         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
12020         (put_var_into_stack): Don't handle SAVE_EXPR.
12021         (gen_mem_addressof): Likewise.
12022         * function.h (struct function): Remove x_save_expr_regs.
12023         (save_expr_regs): Remove.
12024         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
12025         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
12026         * stor-layout.c (variable_size): Don't set it.
12027         (force_type_save_exprs, force_type_save_exprs_1): Remove.
12028         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
12029         all callers.  Don't set SAVE_EXPR_CONTEXT.
12030         * tree-inline.h (remap_save_expr): Update decl.
12031         * tree.c (save_expr): Update build size.
12032         (first_rtl_op): Don't handle SAVE_EXPR.
12033         (unsave_expr_1, contains_placeholder_p): Likewise.
12034         (decl_function_context): Likewise.
12035         * tree.def (SAVE_EXPR): Remove args 1 and 2.
12036         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
12037         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
12038
12039 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
12040
12041         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
12042         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
12043         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
12044         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
12045         some first-person references and patronizing comments.  Based on
12046         printed manual.
12047         * doc/invoke.texi: Don't reference fortran@gnu.org.
12048         * doc/trouble.texi (Warning when a non-void function value is
12049         ignored): Rewrite.  From Russ Allbery and Chris Devers.
12050
12051 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
12052
12053         * tree-ssa-pre.c (bitmap_set_t): New.
12054         (bb_value_sets): avail_out is now a bitmap_set_t.
12055         (bitmap_find_leader): New function.
12056         (bitmap_value_insert_into_set): Ditto.
12057         (bitmap_set_copy): Ditto.
12058         (bitmap_value_replace_in_set): Ditto.
12059         (bitmap_set_contains_value): Ditto.
12060         (bitmap_set_new): Ditto.
12061         (bitmap_set_pool): New pool.
12062         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
12063         (insert_aux): Ditto.
12064         (add_to_sets): Ditto.
12065         (compute_avail): Ditto
12066         (eliminate): Ditto.
12067         (init_pre): Ditto.
12068         (fini_pre): Ditto.
12069         (execute_pre): Ditto.
12070
12071 2004-07-02  Roger Sayle  <roger@eyesopen.com>
12072
12073         * config/rs6000/rs6000.c (struct processor_costs): New structure
12074         used to hold instruction latencies/sizes for processor types.
12075         (rs6000_cost): New global variable pointing to current CPU's costs.
12076         (rs6000_override_options): Initialize rs6000_cost to point to the
12077         appropriate cost table based upon rs6000_cpu and optimize_size.
12078         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
12079         timings inline.
12080
12081 2004-07-02  Richard Henderson  <rth@redhat.com>
12082
12083         * expmed.c (make_tree): Don't use SET_DECL_RTL.
12084
12085 2004-07-02  Steven Bosscher  <stevenb@suse.de>
12086
12087         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
12088
12089 2004-07-01  Richard Henderson  <rth@redhat.com>
12090
12091         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
12092         (alpha_gp_save_rtx): Use assign_stack_local instead of
12093         gen_mem_addressof.
12094
12095 2004-07-01  Richard Henderson  <rth@redhat.com>
12096
12097         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
12098         (alpha_rtx_cost_data): Update to match.
12099         (alpha_rtx_cost_size): New.
12100         (alpha_rtx_costs): Honor optimize_size.
12101
12102 2004-07-01  Richard Henderson  <rth@redhat.com>
12103
12104         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
12105         * cfgexpand.c (tree_expand_cfg): Do it here.
12106         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
12107         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
12108         * config/mips/mips.c (mips_output_mi_thunk): And here.
12109         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
12110         * config/sh/sh.c (sh_output_mi_thunk): And here.
12111         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
12112
12113 2004-07-01  Richard Henderson  <rth@redhat.com>
12114
12115         * tree.def (RTL_EXPR): Remove.
12116         * c-typeck.c (lvalue_p): Don't handle it.
12117         * expr.c (safe_from_p): Likewise.
12118         (expand_expr_real_1): Likewise.
12119         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
12120         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
12121         * gengtype.c (adjust_field_tree_exp): Likewise.
12122         * stmt.c (warn_if_unused_value): Likewise.
12123         * tree-gimple.c (recalculate_side_effects): Likewise.
12124         * tree-pretty-print.c (dump_generic_node): Likewise.
12125         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
12126         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
12127         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
12128
12129         * stmt.c (struct stmt_status): Remove x_last_expr_type,
12130         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
12131         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
12132         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
12133         all the bits that tracked last_expr.
12134         (expand_end_bindings): Don't track last_expr.
12135         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
12136         (clear_last_expr): Remove.
12137         (expand_asm): Don't call it.
12138         (expand_asm_operands, expand_end_cond): Likewise.
12139         (expand_naked_return, expand_null_return_1): Likewise.
12140         * c-typeck.c (c_begin_compound_stmt): Likewise.
12141         * cfgexpand.c (expand_block): Use expand_expr_stmt.
12142         * expr.c (expand_expr_real_1): Likewise.
12143         * tree.h: Update prototypes.
12144
12145         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
12146         (struct emit_status): Remove sequence_rtl_expr.
12147         (struct function): Remove x_rtl_expr_chain.
12148         (seq_rtl_expr, rtl_expr_chain): Remove.
12149         * function.c (struct temp_slot): Remove rtl_expr.
12150         (assign_stack_temp_for_type): Don't set it.
12151         (free_temp_slots, pop_temp_slots): Don't check it.
12152         (free_after_compilation): Don't clear x_rtl_expr_chain.
12153         (fixup_var_refs): Don't search it.
12154         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
12155         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
12156         or seq_rtl_expr.
12157         (push_topmost_sequence): Likewise.
12158         (end_sequence, init_emit): Likewise.
12159         (start_sequence_for_rtl_expr): Remove.
12160         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
12161         * rtl.h (preserve_rtl_expr_result): Remove.
12162
12163 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
12164
12165         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
12166         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
12167         typos.
12168
12169 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
12170
12171         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
12172         (STANDARD_STARTFILE_PREFIX_2): Define.
12173         (standard_startfile_prefix_1): Initialize to
12174         STANDARD_STARTFILE_PREFIX_1.
12175         (standard_startfile_prefix_2): Initialize to
12176         STANDARD_STARTFILE_PREFIX_2.
12177         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
12178         (STANDARD_STARTFILE_PREFIX_1): Define.
12179         (STANDARD_STARTFILE_PREFIX_2): Define.
12180         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
12181         (STANDARD_STARTFILE_PREFIX_2): Document.
12182
12183 2004-07-01  Richard Henderson  <rth@redhat.com>
12184
12185         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
12186         in order to disable scalarization.  Instead set a flag and wait
12187         for a candidate decl.
12188
12189 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
12190
12191         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
12192         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
12193         Use terminology "testsuite" and "enumerated".
12194
12195 2004-07-01  Richard Henderson  <rth@redhat.com>
12196
12197         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
12198         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
12199         (initial_return_save): Likewise.
12200         (flush_queued_reg_saves): Remap register numbers.
12201         (dwarf2out_return_reg): Likewise.
12202
12203 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12204
12205         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
12206
12207         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
12208         access functions for lower bound and element size and only output
12209         if lower bound nonzero or element size not same as that of type.
12210         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
12211
12212 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12213
12214         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
12215
12216 2004-07-01  Per Bothner  <per@bothner.com>
12217
12218         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
12219
12220 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
12221
12222         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
12223         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
12224         first operand.  Don't optimize if the bitfield is volatile.
12225
12226 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12227
12228         * c-pretty-print.c (pp_c_postfix_expression): Handle
12229         floating-point comparison operators.
12230         (pp_c_expression): Pass floating-point comparison
12231         operators to pp_c_postfix_expression.
12232
12233 2004-07-01  Roger Sayle  <roger@eyesopen.com>
12234
12235         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
12236         rtx_cost instead of "had_mult" to determine whether the transformed
12237         expression is cheaper than the original.
12238
12239 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
12240
12241         * alias.c (get_alias_set, canon_rtx, get_addr,
12242         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
12243         Use MEM_P.
12244         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
12245         expand_builtin): Likewise.
12246         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
12247         Likewise.
12248         * combine.c (can_combine_p, combinable_i3pat, try_combine,
12249         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
12250         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
12251         record_dead_and_set_regs_1, get_last_value_validate,
12252         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
12253         * cse.c (check_dependence, canon_hash, equiv_constant,
12254         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
12255         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
12256         count_reg_usage): Likewise.
12257         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
12258         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
12259         cselib_record_sets): Likewise.
12260         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
12261         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
12262         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
12263         * df.c (df_uses_record): Likewise.
12264         * dojump (do_jump): Likewise.
12265         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
12266         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
12267         decl_start_label): Likewise.
12268         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
12269         operand_subword, change_address_1, make_safe_from): Likewise.
12270         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
12271         stabilize, force_not_mem): Likewise.
12272         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
12273         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
12274         * expr.c (convert_move, convert_modes, emit_block_move,
12275         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
12276         emit_move_insn_1, expand_assignment, store_expr,
12277         store_constructor_field, store_constructor, store_field,
12278         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
12279         Likewise.
12280         * final.c (cleanup_subreg_operands, alter_subreg,
12281         get_mem_expr_from_op): Likewise.
12282         * flow.c (notice_stack_pointer_modification_1,
12283         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
12284         Likewise.
12285         * function.c (mark_temp_addr_taken, preserve_temp_slots,
12286         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
12287         optimize_bit_field, flush_addressof, purge_addressof_1,
12288         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
12289         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
12290         keep_stack_depressed): Likewise.
12291         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
12292         noce_process_if_block, find_memory): Likewise.
12293         * integrate.c (subst_constants, allocate_initial_values): Likewise.
12294         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
12295         update_equiv_regs): Likewise.
12296         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
12297         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
12298         * optabs.c (expand_abs, emit_unop_insn): Likewise.
12299         * passes.c (rest_of_handle_final): Likewise.
12300         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
12301         move2add_note_store): Likewise.
12302         * ra-build.c (detect_remat_webs): Likewise.
12303         * ra-debug.c (dump_static_insn_cost): Likewise.
12304         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
12305         * recog.c (validate_change, apply_change_group, cancel_changes,
12306         validate_replace_rtx_1, general_operand, register_operand,
12307         nonmemory_operand, push_operand, pop_operand, memory_operand,
12308         indirect_operand, asm_operand_ok, offsettable_memref_p,
12309         offsettable_nonstrict_memref_p, constrain_operands,
12310         store_data_bypass_p): Likewise.
12311         * reg-stack.c (subst_stack_regs_pat): Likewise.
12312         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
12313         copy_cost, reg_scan_mark_refs): Likewise.
12314         * regmove.c (optimize_reg_copy_3, stack_memref_p,
12315         combine_stack_adjustments_for_block): Likewise.
12316         * regrename.c (copyprop_hardreg_forward_1): Likewise.
12317         * reload.c (can_reload_into, push_reload, decompose, immune_p,
12318         find_reloads, find_reloads_address, find_reloads_address_1,
12319         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
12320         find_equiv_reg): Likewise.
12321         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
12322         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
12323         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
12324         delete_address_reloads): Likewise.
12325         * resource.c (mark_referenced_resources): Likewise.
12326         * rtlanal.c (get_jump_table_offset, count_occurrences,
12327         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
12328         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
12329         num_sign_bit_copies1): Likewise.
12330         * rtlhooks.c (gen_lowpart_general): Likewise.
12331         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
12332         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
12333         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
12334         sdbout_global_decl): Likewise.
12335         * simplify-rtx.c (simplify_subreg): Likewise.
12336         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
12337         expand_anon_union_decl, expand_end_case_type): Likewise.
12338         * unroll.c (calculate_giv_inc): Likewise.
12339         * var-tracking.c (stack_adjust_offset_pre_post,
12340         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
12341         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
12342         vt_add_function_parameters): Likewise.
12343         * varasm.c (make_var_volatile, notice_global_symbol,
12344         assemble_external, decode_addr_const, mark_weak,
12345         default_encode_section_info): Likewise.
12346
12347 2004-07-01  Steven Bosscher  <stevenb@suse.de>
12348
12349         * stmt.c (check_seenlabel): Remove.
12350         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
12351
12352 2004-07-01  Richard Henderson  <rth@redhat.com>
12353
12354         * function.h (struct function): Remove x_function_call_count.
12355         (function_call_count): Remove.
12356         * calls.c (expand_call): Don't set it.
12357         * integrate.c (copy_rtx_and_substitute): Likewise.
12358
12359         * function.h (struct function): Remove x_cleanup_label.
12360         (cleanup_label): Remove.
12361         * stmt.c (expand_value_return): Don't use it.
12362         * function.c (free_after_compilation): Don't set it.
12363         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
12364         * cfgexpand.c (tree_expand_cfg): Update call.
12365         * tree.h (expand_function_start): Update decl.
12366
12367 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
12368
12369         PR c/1027
12370         * c-lang.c (c_initialize_diagnostics): Move from here ...
12371         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
12372         (c_tree_printer): Use pretty-printer to format %T.
12373         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
12374         before '*' if not C++.
12375         (pp_c_direct_abstract_declarator): Don't try to print array upper
12376         bound for flexible array members.
12377         * c-tree.h: Include "diagnostic.h".
12378         (c_initialize_diagnostics): Declare.
12379         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
12380         * c-format.c (format_type_warning): New function.  Improve
12381         diagnostics for incorrect format argument types.
12382         (check_format_types): Use it.  Add two parameters.  Use the
12383         TYPE_MAIN_VARIANT of wanted_type.
12384         (check_format_info_main): Pass new parameters to
12385         check_format_types.
12386         (struct format_wanted_type): Update comment.
12387
12388 2004-07-01  Nick Clifton  <nickc@redhat.com>
12389
12390         * target.h (struct gcc_target): Add new field to struct cxx:
12391         import_export_class.
12392         * target-def.h (TARGET_CXX): Initialise the new field.
12393         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
12394         the new field.
12395         * doc/tm.texi: Document the new target hook.
12396
12397 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12398
12399         * builtins.c (fold_builtin_classify): Fix typo.
12400
12401 2004-07-01  Richard Henderson  <rth@redhat.com>
12402
12403         * function.c (identify_blocks, identify_blocks_1): Remove.
12404         * function.h (identify_blocks): Remove.
12405         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
12406
12407 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12408
12409         * builtins.c (fold_builtin_classify): New.
12410         (fold_builtin_unordered_cmp): Fix commentary.
12411         (fold_builtin): Use it.
12412         * builtins.def: Define builtins for isnan,
12413         isnanf, isnanl, finite, finitef, finitel,
12414         isinf, isinff, isinfl.
12415
12416 2004-07-01  Richard Henderson  <rth@redhat.com>
12417
12418         * function.h (struct function): Remove dont_emit_block_notes.
12419         * gimple-low.c (lower_function_body): Don't set it.
12420         * cfgexpand.c (expand_block): Don't check it.
12421         * cfglayout.c (insn_locators_initialize): Likewise.
12422         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
12423         * passes.c (rest_of_compilation): Likewise.
12424         * stmt.c (expand_start_bindings_and_block): Likewise.
12425         (expand_end_bindings): Likewise.
12426
12427 2004-07-01  Richard Henderson  <rth@redhat.com>
12428
12429         * cgraph.h (cgraph_build_static_cdtor): Declare.
12430         * cgraphunit.c (cgraph_build_static_cdtor): New.
12431         * c-objc-common.c (build_cdtor): Use it.
12432         * coverage.c (create_coverage): Likewise.
12433         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
12434         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
12435
12436 See ChangeLog.11 for earlier changes.