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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
2
3         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
4         * config/rs6000/power5.md (power5-lmul): Same.
5
6 2004-09-08  Richard Henderson  <rth@redhat.com>
7
8         PR rtl-opt/17186
9         * function.c (expand_function_end): Have fall-off-the-end
10         return path jump around return register setup.
11
12 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13
14         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
15         (output_return): Do not test for the presence of the 'unimp' insn.
16         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
17         as predicates instead of custom ones.  Return raw strings when
18         possible.
19         (output_sibcall): Likewise.  Concatenate strings.
20         (output_ubranch): Remove kludge for TurboSPARC.
21         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
22         (output_v9branch): Likewise.
23         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
24         <#>: Set sparc_indent_opcode if the delay slot is filled.
25         <(>: Likewise.
26         <)>: New operand to emit the displacement from the saved PC on return.
27         <@>: Remove.
28         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
29         (ASM_OUTPUT_OPCODE): New macro.
30         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
31         * config/sparc/sparc.md (normal_branch, inverted_branch,
32         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
33         inverted_fpe_branch): Adjust call to output_cbranch.
34         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
35         call to output_v9branch.
36         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
37         (output_v9branch): Likewise.
38
39 2004-09-08  Devang Patel  <dpatel@apple.com>
40
41         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
42         -segs_read_only_addr and -segs_read_write_addr.
43         (WORD_SWITCH_TAKES_ARG): Same.
44         (LINK_SPEC): Same.
45         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
46         -segs_read_write_addr.
47
48 2004-09-08  Richard Henderson  <rth@redhat.com>
49
50         * function.c (reference_callee_copied): New.
51         (assign_parm_setup_reg): Use it.
52         * calls.c (initialize_argument_information): Likewise.
53         (emit_library_call_value_1): Likewise.
54         * function.h (reference_callee_copied): Declare.
55
56         * target.h (struct gcc_target): Add callee_copies.
57         * target-def.h (TARGET_CALLEE_COPIES): New.
58         (TARGET_PASS_BY_REFERENCE): Update default.
59         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
60         * targhooks.c (hook_callee_copies_named): New.
61         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
62         hook_pass_by_reference_false.
63         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
64         * targhooks.h: Update decls.
65         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
66         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
67         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
68         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
69         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
70         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
71         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
72         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
73         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
74         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
75         (mips_callee_copies): New.
76         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
77         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
78         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
79         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
80         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
81         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
82         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
83         * config/sh/sh.c (sh_callee_copies): New.
84         (TARGET_CALLEE_COPIES): New.
85         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
86         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
87         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
88         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
89         for FUNCTION_ARG_CALLEE_COPIES.
90         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
91
92 2004-09-08  Devang Patel  <dpatel@apple.com>
93
94         * tree-if-conv.c (find_phi_replacement_condition): Return true
95         edge block.
96         (replace_phi_with_cond_modify_expr): Select conditional expr args
97         based on true edge basic block.
98         
99 2004-09-08  Jan Hubicka  <jh@suse.cz>
100
101         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
102         variables being alias set.
103
104 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
105
106         * final.c (shorten_branches, final, get_insn_template,
107         output_alternate_entry_point, final_scan_insn, alter_subreg,
108         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
109         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
110         * fix-header.c (lookup_std_proto): Likewise.
111         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
112         verify_local_live_at_start, update_life_info, mark_reg,
113         calculate_global_regs_live, allocate_reg_life_data,
114         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
115         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
116         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
117         * fold-const.c (force_fit_type, div_and_round_double,
118         may_negate_without_overflow_p, int_const_binop, const_binop,
119         size_binop, size_diffop, fold_convert_const, fold_convert,
120         invert_tree_comparison, swap_tree_comparison,
121         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
122         range_binop, make_range, fold_cond_expr_with_comparison,
123         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
124         fold_abs_const, fold_not_const, fold_relational_const, round_up,
125         round_down): Likewise.
126         * function.c (find_function_data, assign_stack_temp_for_type,
127         instantiate_virtual_regs_lossage, aggregate_value_p,
128         assign_parm_find_entry_rtl, assign_parm_setup_block,
129         expand_function_start, expand_function_end, keep_stack_depressed,
130         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
131
132 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
133
134         * Makefile.in (tree-loop-linear.o): Added.
135         (OBJS-common): Add tree-loop-linear.o
136         * common.opt: New flag, ftree-loop-linear.
137         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
138         * tree-flow.h: Add prototype for linear_transform_loops.
139         * tree-optimize.c: Add linear transform after vectorization.
140         * tree-pass.h: Add struct pass_linear_transform.
141         * tree-ssa-loop.c: Add pass_linear_transform.
142         * tree-loop-linear.c: New file.
143         * lambda-code.c: gcc_assertify.
144         (gcc_loop_to_lambda_loop): Handle all exit tests.
145         Handle case where we have (invariant >= induction var).
146         (find_induction_var_from_exit_cond): Ditto.
147         
148 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
149
150         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
151         memory tag is call clobbered, so are its aliases.
152         (group_aliases): When two memory tags being grouped, if one is
153         call clobbered, so are the other and its aliases.
154         (add_may_alias): Remove call-clobbering stuff.
155         (replace_may_alias): Likewise.
156         (merge_pointed_to_info): Merge pt_global_mem
157
158 2004-09-08  Jan Hubicka  <jh@suse.cz>
159
160         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
161         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
162         (cgraph_expand_function): Remove stale cgraph edges of currently
163         compiled function; fix non-unit-at-a-time code copying function
164         node for later reuse.
165
166 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
167
168         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
169         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
170         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
171         (vec_gc_free, vec_heap_free): New.
172         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
173         (DEF_VEC_P): Add allocator argument. Adjust.
174         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
175         (DEF_VEC_O): Add allocator argument. Adjust.
176         (VEC(free)): New.
177
178         * tree.h (tree): Define a GC'd vector.
179         * lamba-code.c (lambda_loop): Likewise.
180         * value-prof.h (histogram_value): Likewise.
181
182 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
183
184         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
185         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
186         gen_lowpart_common, gen_highpart, gen_highpart_mode,
187         subreg_highpart_offset, operand_subword, operand_subword_force,
188         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
189         set_mem_alias_set, change_address_1, verify_rtx_sharing,
190         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
191         try_split, add_insn_after, add_insn_before, remove_insn,
192         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
193         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
194         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
195         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
196         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
197         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
198         record_path_before_1, check_path_after_1, check_path_after): Likewise.
199         * except.c (gen_eh_region, resolve_one_fixup_region,
200         remove_unreachable_regions, convert_from_eh_region_ranges_1,
201         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
202         connect_post_landing_pads, sjlj_emit_function_exit,
203         remove_exception_handler_label, remove_eh_handler,
204         reachable_next_level, collect_one_action_chain,
205         output_function_exception_table): Likewise.
206         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
207         optimize_save_area_alloca, allocate_dynamic_stack_space,
208         probe_stack_range, hard_function_value): Likewise.
209         * expmed.c (mode_for_extraction, store_bit_field,
210         store_fixed_bit_field, extract_bit_field, expand_shift,
211         expand_mult_const, expand_mult, choose_multiplier,
212         expand_mult_highpart, expand_divmod, emit_store_flag,
213         do_cmp_and_jump): Likewise.
214         * expr.c (convert_move, convert_modes, move_by_pieces,
215         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
216         move_block_from_reg, gen_group_rtx, emit_group_load,
217         emit_group_move, emit_group_store, use_reg, use_regs,
218         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
219         emit_move_insn, emit_move_insn_1, emit_push_insn,
220         expand_assignment, store_expr, count_type_elements,
221         store_constructor, store_field, safe_from_p, expand_var,
222         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
223
224 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
225
226         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
227         gcc_assert and gcc_unreachable.
228         * ddg.c (create_ddg_dependence, add_deps_for_def,
229         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
230         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
231         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
232         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
233         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
234         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
235         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
236         dataflow_set_copy, hybrid_search, diagnostic.c,
237         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
238         * dojump.c (do_jump): Likewise.
239         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
240         compute_dom_fast_query, calculate_dominance_info,
241         free_dominance_info, get_immediate_dominator,
242         set_immediate_dominator, get_dominated_by,
243         redirect_immediate_dominators, nearest_common_dominator,
244         dominated_by_p, verify_dominators, recount_dominator,
245         iterate_fix_dominators, add_to_dominance_info,
246         delete_from_dominance_info): Likewise.
247         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
248         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
249         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
250         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
251         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
252         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
253         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
254         output_call_frame_info, output_loc_operands, build_cfa_loc,
255         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
256         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
257         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
258         splice_child_die, attr_checksum, same_dw_val_p,
259         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
260         unmark_dies, value_format, output_loc_list, output_die,
261         output_pubnames, output_aranges, base_type_die, is_base_type,
262         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
263         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
264         field_byte_offset, add_data_member_location_attribute,
265         add_const_value_attribute, rtl_for_decl_location,
266         add_location_or_const_value_attribute, add_byte_size_attribute,
267         add_bit_offset_attribute, add_bit_size_attribute,
268         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
269         decl_start_label, gen_formal_parameter_die,
270         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
271         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
272         force_decl_die, force_type_die, gen_decl_die,
273         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
274         dwarf2out_finish): Likewise.
275
276 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
277
278         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
279         * builtins.c: Include tree-mudflap.h.
280
281 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
282
283         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
284         force operand 0.0 into register in XFmode. Also do not force
285         operand 0.0 into register if !TARGET_CMOVE.
286         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
287         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to 
288         implement ftst x87 instruction.
289         (*fp_jcc_7): New insn pattern. Change corresponding split
290         pattern to handle "general_operand" instead of
291         "nonimmediate_operand".
292
293 2004-09-08  Ben Elliston  <bje@au.ibm.com>
294
295         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
296
297 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
298
299         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
300         generated from standard va_arg expansion.
301         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
302         marked nodes.
303         (mf_varname_tree, mf_file_function_line_tree): Add some support
304         for column numbers if compiled with USE_MAPPED_LOCATION.
305
306 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
307
308         * c-decl.c (groktypename_in_parm_context): Remove function.
309         * c-tree.h (groktypename_in_parm_context): Remove prototype.
310
311 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
312
313         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
314         * c-parse.in: Include c-common.h instead of objc-act.h.
315         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
316         myparms, myparm): Remove %type declarations.
317         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
318         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
319         declarations.
320         (objc_inherit_code, objc_public_flag): Remove.
321         (typespec_nonreserved_nonattr): Call
322         objc_get_protocol_qualified_type() instead of get_static_reference()
323         and get_protocol_reference().
324         (stmt_nocomp): Call grokparm() on @catch parameter.
325         (objcdef): Move semantic action to objc_finish_implementation().
326         (classdef): Move semantic action to objc_start_class_interface(),
327         objc_continue_interface(), objc_finish_interface(),
328         objc_start_class_implementation(), objc_continue_implementation(),
329         objc_start_category_interface() and
330         objc_start_category_implementation().
331         (protocoldef): Move semantic actions to objc_start_protocol() and
332         objc_finish_interface().
333         (ivar_decl_list): Remove nonterminal.
334         (visibility_spec): Move semantic actions to objc_set_visibility().
335         (ivar_decls): Remove assignment to $$.
336         (ivar_decl): Rephrase in terms of component_decl; call
337         objc_add_instance_variable().
338         (ivars, ivar_declarator): Remove nonterminals.
339         (opt_semi): New nonterminal.
340         (methodtype): Remove semantic actions.
341         (methoddef): Move semantic actions to objc_set_method_type(),
342         objc_start_method_definition() and objc_finish_method_definition().
343         (methodproto): Move semantic actions to objc_set_method_type() and
344         objc_add_method_declaration().
345         (methoddecl): Use objc_typename instead of typename; move semantic
346         actions to objc_build_method_signature().
347         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
348         (optparmlist): Express in terms of optparms and optellipsis.
349         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
350         nonterminals.
351         (keyworddecl): Use objc_typename instead of typename.
352         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
353         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
354
355 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
356
357         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
358         (MD_FALLBACK_FRAME_STATE_FOR): Update.
359         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
360         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
361         (MD_FROB_UPDATE_CONTEXT): Remove default.
362         (uw_update_context_1): Instead #ifdef invocation.
363         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
364         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
365         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
366         (MD_UNWIND_SUPPORT): Undefine this instead.
367         * config/i386/gnu.h: Likewise.
368         * config/alpha/linux-unwind.h: New file, macro converted to
369         function, extracted from..
370         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
371         (MD_UNWIND_SUPPORT): Define.
372         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
373         * config/i386/linux-unwind.h, config/i386/linux.h,
374         config/i386/linux64.h: Likewise.
375         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
376         MD_HANDLE_UNWABI too.
377         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
378         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
379         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
380         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
381         * config/sparc/linux-unwind.h, config/sparc/linux.h,
382         config/sparc/linux64.h: Likewise.
383         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
384         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
385         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
386         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
387         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
388
389 2004-09-07  Jan Hubicka  <jh@suse.cz>
390
391         * cse.c (fold_rtx):  Avoid building of
392         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
393
394         * tree-ssa-pre.c (grand_bitmap_obstack): New.
395         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
396         (init_pre): Initialize obstack.
397         (fini_pre): Free obstack.
398
399 2004-09-07  David Daney  <ddaney@avtrex.com>
400
401         * config.gcc: Added support for --with-divide=[breaks|traps] for
402         mips targets.
403         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
404         (TARGET_DIVIDE_TRAPS): New macro.
405         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
406         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
407         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
408         GENERATE_DIVIDE_TRAPS.
409         (mips_output_division): Emit conditional trap if
410         GENERATE_DIVIDE_TRAPS is set.
411         * doc/install.texi: Document --with-divide.
412         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
413
414 2004-09-07  Caroline Tice  <ctice@apple.com>
415
416         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
417         EDGE_CROSSING, to flags test case.
418         
419 2004-09-07  Jan Hubicka  <jh@suse.cz>
420
421         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
422         class too.
423
424 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
425
426         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
427         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
428         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
429         or gcc_unreachable.
430         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
431         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
432         alloc_aux_for_edges, free_aux_for_edges): Likewise.
433         * cfgcleanup.c (try_forward_edges,
434         merge_blocks_move_predecessor_nojumps,
435         merge_blocks_move_successor_nojumps): Likewise.
436         * cfgexpand.c (expand_gimple_cond_expr,
437         expand_gimple_tailcall): Likewise.
438         * cfghooks.c (duplicate_block): Likewise.
439         * cfglayout.c (record_effective_endpoints,
440         insn_locators_initialize, change_scope, fixup_reorder_chain,
441         verify_insn_chain, fixup_fallthru_exit_predecessor,
442         duplicate_insn_chain, cfg_layout_finalize): Likewise.
443         * cfgloopanal.c (check_irred): Likewise.
444         * cfgloop.c (superloop_at_depth, flow_loops_free,
445         flow_loop_entry_edges_find, flow_loops_find,
446         flow_loop_outside_edge_p, get_loop_body,
447         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
448         get_loop_exit_edges, num_loop_branches, cancel_loop,
449         verify_loop_structure): Likewise.
450         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
451         duplicate_loop_to_header_edge, create_preheader,
452         create_loop_notes): Likewise.
453         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
454         edirect_branch_edge, force_nonfallthru_and_redirect,
455         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
456         commit_edge_insertions, commit_edge_insertions_watch_calls,
457         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
458         cfg_layout_redirect_edge_and_branch_force,
459         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
460         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
461         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
462         cgraph_varpool_node): Likewise.
463         * cgraphunit.c (cgraph_finalize_function,
464         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
465         cgraph_expand_function, cgraph_remove_unreachable_nodes,
466         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
467         cgraph_mark_inline, cgraph_expand_all_functions,
468         cgraph_build_static_cdtor): Likewise.
469         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
470         simplify_logical, distribute_notes, insn_cuid): Likewise.
471         * conflict.c (conflict_graph_add, print_conflict): Likewise.
472         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
473         coverage_checksum_string): Likewise.
474         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
475         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
476         cse_cc_succs, cse_condition_code_reg): Likewise.
477         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
478         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
479         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
480         cselib_record_set): Likewise.
481
482 2004-09-07  Jan Hubicka  <jh@suse.cz>
483
484         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
485
486 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
487
488         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
489         fold_convert.
490         (fold_builtin_strpbrk): Likewise.
491         * expr.c (array_ref_low_bound): Likewise.
492         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
493         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
494         * tree-sra.c (generate_element_zero): Likewise.
495         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
496         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
497         add_old_iv_candidates, add_iv_candidates): Likewise.
498         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
499
500 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
501
502         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
503         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
504         c_expand_expr, boolean_increment, nonnull_check_p,
505         check_function_arguments_recurse, fold_offsetof_1): Likewise.
506         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
507         builtin_define_type_max): Likewise.
508         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
509         implicit_decl_warning, builtin_function, build_compound_literal,
510         complete_array_type, grokdeclarator, get_parm_info,
511         start_function, store_parm_decls_oldstyle,
512         c_write_global_declarations): Likewise.
513         * c-format.c (get_constant, decode_format_attr,
514         maybe_read_dollar_number, get_flag_spec, check_format_arg,
515         check_format_types, format_type_warning,
516         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
517         init_dynamic_diag_info, handle_format_attribute): Likewise.
518         * c-gimplify.c (push_context, pop_context, finish_bc_block): 
519         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
520         * c-objc-common.c (c_tree_printer): Likewise.
521         * c-pch.c (pch_init): Likewise.
522         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
523         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
524         * c-typeck.c (c_incomplete_type_error, composite_type,
525         common_pointer_type, common_type, same_translation_unit_p,
526         tagged_types_tu_compatible_p, finish_init, pop_init_level,
527         set_designator, set_nonincremental_init_from_string,
528         process_init_element, c_finish_if_stmt): Likewise.
529         * caller-save.c (init_caller_save, save_call_clobbered_regs,
530         insert_restore, insert_save, insert_one_insn): Likewise.
531         * calls.c (emit_call_1, compute_argument_block_size,
532         precompute_arguments, expand_call, emit_library_call_value_1,
533         store_one_arg): Likewise.
534
535 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
536
537         * configure.ac (enable-checking): Add release option. Reorganize
538         to avoid repetition.
539         * configure: Rebuilt.
540         * doc/install.texi (enable-checking): Amend documentation.
541
542 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
543
544         PR bootstrap/17313
545         * Makefile.in (specs.ready): Depend on cc1$(exeext).
546
547 2004-09-06  James E Wilson  <wilson@specifixinc.com>
548
549         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
550         movdf_hardfloat_32bit): Split fG into two alternatives.
551         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
552
553         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
554
555 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
556
557         * final.c (output_in_slot): Delete.
558         (final_scan_insn): Revert 2004-09-03 change.
559         (output_asm_insn): Likewise.
560         * config/sparc/sparc.c (output_return): Likewise.
561         (output_sibcall): Likewise.
562
563 2004-09-06  Jan Hubicka  <jh@suse.cz>
564
565         * loop.c (loop_dump_aux): Do not print RTL when not available.
566         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
567         frontend specific type nodes.
568         (produce_memory_decl_rtl): Break out from ...
569         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
570         (get_computation_at): Avoid random tree sharing.
571         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
572
573 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
574
575         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
576         unnecessary commands.
577
578 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
579
580         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
581         (bitmap.o): Likewise.
582
583 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
584
585         Unify the management of RTL and tree-level dump files.
586
587         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
588         Don't print function name to the dump file, the pass manager
589         would do this for us. Add code from the top of
590         rest_of_compilation, up to the initial RTL dump.
591         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
592         close the DFI_sibling dump file.
593         (rest_of_compilation): Don't do that here.  Remove code up to the
594         initial RTL dump.
595         (init_optimization_passes): Remove.
596         (pass_rest_of_compilation): Change pass name to NULL.
597         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
598         Do not call init_optimization_passes.
599         * toplev.h (init_optimization_passes): Remove.
600
601         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
602         finish_graph_dump_file): Remove SUFFIX parameter.
603         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
604         finish_graph_dump_file): Likewise.
605
606         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
607         * cfgexpand.c (pass_expand): Adjust.
608         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
609         * passes.c (pass_rest_of_compilation): Adjust.
610         * predict.c (pass_profile): Adjust.
611         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
612         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
613         pass_split_crit_edges, pass_warn_function_return): Adjust.
614         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
615         * tree-dfa.c (pass_referenced_vars): Adjust.
616         * tree-eh.c (pass_lower_eh): Adjust.
617         * tree-if-conv.c (pass_build_ssa): Adjust.
618         * tree-into-ssa.c (pass_build_ssa): Adjust.
619         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
620         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
621         * tree-nrv.c (pass_nrv): Adjust.
622         * tree-optimize.c (pass_gimple, pass_all_optimizations,
623         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
624         pass_init_datastructures): Adjust.
625         * tree-outof-ssa.c (pass_del_ssa): Adjust.
626         * tree-profile.c (pass_tree_profile): Adjust.
627         * tree-sra.c (pass_sra): Adjust.
628         * tree-ssa-alias.c (pass_may_alias): Adjust.
629         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
630         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
631         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
632         * tree-ssa-dom.c (pass_dominator): Adjust.
633         * tree-ssa-dse.c (pass_dse): Adjust.
634         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
635         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
636         * tree-ssa-loop-ch.c (pass_ch): Adjust.
637         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
638         pass_loop_done, pass_complete_unroll, pass_iv_canon,
639         pass_iv_optimize, pass_vectorize): Adjust.
640         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
641         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
642         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
643         pass_late_warn_uninnitialized): Adjust.
644         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
645
646         * Makefile.in (tree-dump.o): Add new dependencies.
647         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
648         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
649         Likewise.
650         * toplev.c (dump_file_name): New.
651         * tree-dump.c (dump_enable_all): Add LETTER parameter.
652         (struct dump_file_info): Add NUM and LETTER fields.
653         (dump_files): Adjust and add RTL dump files.
654         (dump_register): Add NUM and LETTER fields.
655         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
656         (dump_begin): Use get_dump_file_name.
657         (dump_switch_p_1): Adjust call to dump_enable_all.
658         * tree-dump.h (dump_register): Adjust prototype.
659         * tree-optimize.c (register_one_dump_file): Take dump file index.
660         Support flags for RTL dumps.
661         (register_dump_files): Fill in NUM field of struct dump_file_info.
662         Track properties both when the gate is executed and when it is not.
663         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
664         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
665         dumps of RTL.
666         * tree-pass.h (dump_file_name): New.
667         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
668         New.
669
670         * Makefile.in (passes.o): Add new dependencies.
671         * passes.c (struct dump_file_info, enum dump_file_index,
672         dump_file_tbl, init_optimization_passes): Remove.
673         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
674         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
675         dump_enabled_p.
676         (finish_optimization_passes): Update finish_graph_dump_file loop.
677         (enable_rtl_dump_file): Remove.
678         * tree-dump.c (dump_files): Adjust and add RTL dump files.
679         (enable_rtl_dump_file): Add here.
680         * tree.h (enum tree_dump_index): Add RTL dump file indices.
681         * doc/invoke.texi (Debugging options): Document new RTL debugging
682         options.  Update.
683
684 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
685
686         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
687         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
688         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
689         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
690         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
691         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
692         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
693         vec.h: Fix comment formatting.
694
695 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
696
697         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
698         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
699         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
700         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
701         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
702         tree-ssa-loop-niter.c, tree-ssa-operands.c,
703         tree-ssa-operands.h, tree-ssa-propagate.c,
704         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
705         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
706
707 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
708
709         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
710         vectorizer is enabled.
711
712 2004-09-05  Andreas Jaeger  <aj@suse.de>
713
714         * tree-if-conv.c: Spell check comments and clean up whitespace.
715
716 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
717
718         * tree-ssa-loop-ivopts.c: New file.
719         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
720         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
721         target_pres_cost, target_spill_cost): Declare.
722         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
723         spill_cost): Renamed to ...
724         (target_avail_regs, target_res_regs, target_small_cost,
725         target_pres_cost, target_spill_cost): ... and exported.
726         (init_set_costs, global_cost_for_size): Work with renamed variables.
727         * common.opt (flag_ivopts): New flag.
728         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
729         REF_ORIGINAL.
730         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
731         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
732         generating SSA form.
733         (force_gimple_operand): New function.
734         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
735         * tree-cfg.c (stmt_bsi): New function.
736         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
737         PARAM_IV_MAX_CONSIDERED_USES): New.
738         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
739         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
740         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
741         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
742         * tree-nested.c (build_addr): Export.
743         * tree-optimize.c (init_tree_optimization_passes): Add
744         pass_iv_optimize.
745         * tree-pass.h (pass_iv_optimize): Declare.
746         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
747         IMAGPART_EXPR.
748         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
749         as a phi node argument.
750         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
751         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
752         functions.
753         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
754         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
755         pass_iv_optimize): New pass.
756         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
757         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
758         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
759         * tree.h (REF_ORIGINAL): New macro.
760         (build_int_cst_type, unsigned_type_for, zero_p,
761         cst_and_fits_in_hwi, build_addr): Declare.
762         * doc/invoke.texi (-fivopts): Document.
763         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
764         PARAM_IV_MAX_CONSIDERED_USES): Document.
765         * doc/passes.texi: Document induction variable optimizations pass.
766
767 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
768
769         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
770         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
771         * c-common.c (c_common_attribute_table): Accept parameters to
772         sentinel attribute.
773         (check_function_sentinel, handle_sentinel_attribute): Likewise.
774         * doc/extend.texi: Update accordingly.
775
776 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
777
778         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
779         New.
780         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
781         attribute.
782         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
783         New functions.
784         (c_common_attribute_table): Add `sentinel' attribute.
785         (check_function_arguments): Handle `sentinel' attribute.
786         * doc/extend.texi: Document `sentinel' attribute.
787
788 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
789
790         * configure: Regenerated.
791
792 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
793
794         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
795
796         * tree.c (save_expr): No longer TREE_READONLY.
797
798 2004-09-04  Jan Hubicka  <jh@suse.cz>
799
800         * passes.c (rest_of_clean_state):  Fix merge conflict made during
801         commiting the patch.
802
803 2004-09-04  Jan Hubicka  <jh@suse.cz>
804
805         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
806
807 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
808
809         * doc/md.texi (shift patterns): New anchor.  Add reference to
810         TARGET_SHIFT_TRUNCATION_MASK.
811         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
812         * target.h (shift_truncation_mask): New target hook.
813         * targhook.h (default_shift_truncation_mask): Declare.
814         * targhook.c (default_shift_truncation_mask): Define.
815         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
816         (TARGET_INITIALIZER): Include it.
817         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
818         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
819         reject all out-of-range values.  Fix sign-extension code for modes
820         whose width is smaller than HOST_BITS_PER_WIDE_INT.
821         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
822         (expand_superword_shift, expand_subword_shift): Likewise.
823         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
824         (expand_binop): Use them to implement double-word shifts.
825         * config/arm/arm.c (arm_shift_truncation_mask): New function.
826         (TARGET_SHIFT_TRUNCATION_MASK): Define.
827
828 2004-09-04  Jan Hubicka  <jh@suse.cz>
829
830         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
831         (mix): New macro copied from hashtab.c
832         (iterative_hash_hashval_t, iterative_hash_pointer,
833         iterative_hash_host_wide_int): New functions based on hashtab.c
834         implementation.
835
836 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
837
838         * config/mips/mips.md (mask): New mode attribute.
839         (zero_extendsidi2): Add memory alternative.
840         (*zero_extendsidi2_mem): Delete.
841         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
842         memory_operand in the TARGET_MIPS16 check.
843         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
844         Redefine using :GPR and :SHORT.
845         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
846
847 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
848
849         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
850         using rint_optab.
851         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
852         expand_builtin_mathfn.
853         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
854         btrunc?f patterns for btrunc_optab. Implement rint_optab using
855         rint?f patterns.
856         * optabs.c (init_optabs): Initialize rint_optab.
857         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
858         Add new OTI_rint.
859         (btrunc_optab): Rename macro from trunc_optab.
860         (rint_optab): Define corresponding macro.
861
862         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
863         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
864
865         * config/i386/i386-protos.h (emit_i387_cw_initialization):
866         Change prototype. Add new int parameter.
867         * config/i386/i386.c (emit_i387_cw_initialization):
868         Handle new rounding modes.
869
870         * config/i386/i386.h (enum fp_cw_mode): Delete.
871         (MODE_NEEDED): Handle new rounding modes.
872         (EMIT_MODE_SET): Change condition to handle new rounding modes.
873
874         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
875         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
876         represent different rounding modes of frndint insn.
877         (type): Add frndint type.
878         (i387, length, memory): Handle this type.
879         (i387_cw): New attribute definition.
880         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
881         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
882         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
883         Add "i387_cw" attribute defined to "trunc".
884         (x86_fnstcw_1): Remove comment.
885         (*frndintxf2): Rename insn definition to frndintxf2. Move
886         insn definition near rint?f2 expanders.
887         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
888         rintf and rintl built-ins as inline x87 intrinsics.
889         (frndintxf2_floor): New pattern to implement floor rounding
890         mode with frndint x87 instruction.
891         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
892         floorf and floorl built-ins as inline x87 intrinsics.
893         (frndintxf2_ceil): New pattern to implement ceil rounding
894         mode with frndint x87 instruction.
895         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
896         ceilf and ceill built-ins as inline x87 intrinsics.
897         (frndintxf2_trunc): New pattern to implement trunc rounding
898         mode with frndint x87 instruction.
899         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
900         truncf and truncl built-ins as inline x87 intrinsics.
901         (frndintxf2_mask_pm): New pattern to implement rounding
902         mode with exceptions with frndint x87 instruction.
903         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
904         implement nearbyint, nearbyintf and nearbyintl built-ins as
905         inline x87 intrinsics.
906
907 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
908
909         * config/mips/mips.md (SHORT): New mode macro.
910         (size): New mode attribute.
911         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
912         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
913         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
914         !ISA_HAS_SEB_SEH.
915         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
916         *extend[qh]isi2_hw patterns and extending them to di.
917         (extendqihi2): Implement as define_insn_and_split that produces
918         extendqisi2 after reload.
919
920 2004-09-03  Devang Patel  <dpatel@apple.com>
921
922         * Makefile.in (OBJS-common): Add tree-if-conv.o
923         (tree-if-conv.o): New rule.
924         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
925         (get_loop_body_in_bfs_order): New.
926         * cfgloop.h (get_loop_body_in_bfs_order): New.
927         * tree-flow.h (enum move_pos): Move here from ..
928         * tree-ssa-loop-im.c (enum move_pos): here.
929         (movement_possibility): Make externally visible.
930         * tree-optimize.c (init_tree_optimization_passes): New entry for
931         if conversion pass.
932         * tree-pass.h (pass_if_conversion): New.
933         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
934         * tree-if-conv.c: New file.
935         * doc/passes.texi: Document tree if-conversion pass.
936         * doc/tree-ssa.texi: Same.
937
938 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
939
940         PR target/14925:
941         Makefile.in (LIB2ADDEHSTATIC): New.
942         (LIB2ADDEHSHARED): New.
943         (LIBUNWIND): New.
944         (LIBUNWINDDEP): New.
945         (SHLIBUNWIND_LINK): New.
946         (SHLIBUNWIND_INSTALL): New.
947         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
948         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
949         (clean): Remove libunwind*
950         (stage1-start): Remove and copy stage1/libunwind*.
951         (stage2-start): Remove and copy stage2/libunwind*.
952         (stage3-start): Remove and copy stage3/libunwind*.
953         (stage4-start): Remove and copy stage4/libunwind*.
954         (stageprofile-start): Remove and copy stageprofile/libunwind*.
955         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
956
957         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
958         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
959         tmake_file if --with-system-libunwind isn't used.
960
961         * config/ia64/t-glibc-libunwind: New file.
962         * config/t-libunwind-elf: Likewise.
963         * unwind-compat.c: Likewise.
964         * unwind-compat.h: Likewise.
965         * unwind-dw2-fde-compat.c: Likewise.
966
967         * config/ia64/t-glibc (LIB2ADDEH): Updated.
968         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
969
970         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
971         aliases if needed.
972         * unwind-dw2-fde-glibc.c: Likewise.
973         * unwind-dw2.c: Likewise.
974
975         * config/t-libunwind (LIB2ADDEH): Updated.
976         (LIB2ADDEHSTATIC): New.
977         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
978         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
979
980         * configure.ac: Change --enable-libunwind-exceptions to
981         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
982         * configure: Regenerated.
983         * config.in: Updated.
984
985         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
986         above and mention --with-system-libunwind.
987         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
988         removed in gcc 3.4.3 and later.
989
990         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
991         USE_LIBUNWIND_EXCEPTIONS is defined.
992
993         * mklibgcc.in: Support libunwind.
994
995 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
996
997         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
998         m_NOCONA.
999
1000 2004-09-03  Richard Henderson  <rth@redhat.com>
1001
1002         PR middle-end/9997
1003         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
1004         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
1005         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
1006         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
1007         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
1008         resize_stack_vars_conflict, add_stack_var_conflict,
1009         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
1010         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
1011         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
1012         expand_one_static_var, expand_one_hard_reg_var,
1013         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
1014         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
1015         (expand_used_vars): Rewrite.
1016         * Makefile.in (cfgexpand.o): Update dependencies.
1017
1018 2004-09-04  Jan Hubicka  <jh@suse.cz>
1019
1020         * cfg.c (free_edge): Use ggc_free.
1021         (expunge_block): Use ggc_free.
1022         * passes.c (rest_of_clean_state): Free after compilation.
1023         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
1024         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
1025
1026 2004-09-03  James E Wilson  <wilson@specifixinc.com>
1027
1028         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
1029         DECL_EXTERNAL check.
1030
1031 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1032
1033         * final.c (output_in_slot): New global variable.
1034         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
1035         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
1036         'output_in_slot' before invoking output_asm_insn.
1037         (output_asm_insn): Add a space after the tab if 'output_in_slot'
1038         is set.
1039         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
1040         final_scan_insn.
1041         (output_sibcall): Likewise.
1042
1043 2004-09-03  Jan Hubicka  <jh@suse.cz>
1044
1045         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
1046         * tree-ssanames (init_ssanames): Likewise.
1047
1048 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
1049
1050         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
1051         objc_declare_protocols, objc_start_protocol,
1052         objc_start_class_interface, objc_start_category_interface,
1053         objc_continue_interface, objc_finish_interface,
1054         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
1055         objc_start_class_implementation, objc_start_category_implementation,
1056         objc_continue_implementation, objc_finish_implementation,
1057         objc_add_method_declaration, objc_start_method_definition,
1058         objc_finish_method_definition, objc_build_keyword_decl,
1059         objc_build_method_signature, objc_build_encode_expr,
1060         objc_build_protocol_expr, objc_build_selector_expr,
1061         objc_build_message_expr, objc_build_string_object,
1062         objc_get_class_reference, objc_get_protocol_qualified_type,
1063         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
1064
1065 2004-09-03  James E Wilson  <wilson@specifixinc.com>
1066
1067         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
1068
1069         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
1070         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
1071         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
1072         (mips_recip1_<fmt>): Use frdiv1 type.
1073         (mips_recip2_<fmt>): Use frdiv2 type.
1074         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
1075         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
1076         and frsqrt1.
1077         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
1078
1079 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
1080
1081         * reload.c (find_reloads): Swap operand_loc pointers for
1082         find_dummy_reload if we have swapped two operands.
1083
1084 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
1085
1086         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
1087         to get the tablejump-insn before the jump-table label.
1088
1089 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
1090
1091         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
1092         objc_declare_protocols, objc_build_message_expr,
1093         objc_finish_message_expr, objc_build_selector_expr,
1094         objc_build_protocol_expr, objc_build_encode_expr,
1095         objc_build_string_object, objc_get_protocol_qualified_type,
1096         objc_get_class_reference, objc_get_class_ivars,
1097         objc_start_class_interface, objc_start_category_interface,
1098         objc_start_protocol, objc_continue_interface, objc_finish_interface,
1099         objc_start_class_implementation, objc_start_category_implementation,
1100         objc_continue_implementation, objc_finish_implementation,
1101         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
1102         objc_add_method_declaration, objc_start_method_definition,
1103         objc_finish_method_definition, objc_add_instance_variable,
1104         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
1105         objc_finish_try_stmt, objc_begin_catch_clause,
1106         objc_finish_catch_clause, objc_build_finally_clause,
1107         objc_build_synchronized, objc_static_init_needed_p,
1108         objc_generate_static_init_call): New prototypes.
1109
1110 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
1111
1112         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
1113         is only one reg.
1114         (ia64_function_value): Ditto.
1115
1116 2004-09-03  Jan Beulich  <jbeulich@novell.com>
1117
1118         * config.gcc: Resurrect NetWare as a target. Handle special case of
1119         Novell linker to be used (specified through --with-ld=) and threading
1120         model of either Posix (default) or NKS.
1121         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
1122         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
1123         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
1124         * config/i386/netware.c, config/i386/netware.h: New.
1125         * config/i386/nwld.c, config/i386/nwld.h: New.
1126         * config/i386/netware-crt0.c: New.
1127         * config/i386/netware-libgcc.c: New.
1128         * config/i386/netware-libgcc.def: New.
1129         * config/i386/netware-libgcc.exp: New.
1130         * config/i386/t-netware, config/i386/t-nwld: New.
1131         * gthr-nks.h: New.
1132         * doc/install.texi: Document NKS threading model.
1133
1134 2004-09-03  Jan Beulich  <jbeulich@novell.com>
1135
1136         PR c/7054
1137         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
1138         * tree.h (initial_max_fld_align): Declare
1139         * stor-layout.c (initial_max_fld_align): Define and initialize.
1140         (maximum_field_alignment): Initialize to the same value.
1141         * common.opt: Add -fpack-struct= variant of switch.
1142         * opts.c: Handle -fpack-struct= variant of switch.
1143         * c-pragma.c: Change #pragma pack() handling so that it becomes
1144         compatible to other compilers: accept individual 'push' argument,
1145         make final pop restore (command line) default, correct interaction
1146         of push/pop and sole specification of a new alignment (so that the
1147         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
1148         to #pragma pack(push, <n>).
1149         * doc/extend.texi: New node "Structure-Packing Pragmas" under
1150         "Pragmas", describing #pragma pack.
1151         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
1152         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
1153         Document new TARGET_DEFAULT_PACK_STRUCT.
1154
1155 2004-09-03  Devang Patel  <dpatel@apple.com>
1156
1157         * dwarf2out.c (gen_field_die). Equate decl number to die.
1158
1159 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
1160
1161         PR target/15832
1162         * global.c (modify_reg_pav): New function.
1163         (make_accurate_live_analysis): Call the new function.  Move pavin
1164         modification by earlyclobber set into the new function.
1165
1166 2004-09-03  Andreas Schwab  <schwab@suse.de>
1167
1168         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
1169         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
1170         extended.
1171
1172 2004-09-02  Jan Beulich  <jbeulich@novell.com>
1173
1174         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
1175         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
1176         not unwind code specific ones.
1177         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
1178         Remove unwind code specific dependencies.
1179         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
1180         Remove gbl-ctors.h.
1181         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
1182         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
1183         * tsystem.h: Declare memcpy and memset when inhibit_libc.
1184
1185 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
1186
1187         * combine.c (try_combine): Delay modifying of insns which cannot
1188         be easily undone.
1189
1190 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
1191
1192         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
1193         tree-loop-im.
1194         * gcc/tree-ssa-loop.c: Ditto
1195         * gcc/tree-ssa-loop-ivcanon.c: Ditto
1196         * gcc/doc/invoke.texi: Ditto.
1197
1198 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
1199
1200         * c-decl.c (store_parm_decls_newstyle): Make static.
1201         (store_parm_decls_from): New function.
1202         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
1203         (store_parm_decls_from): New prototype.
1204
1205 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
1206
1207         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
1208         HImode with STRICT_ALIGNMENT.
1209
1210 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
1211
1212         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
1213         (TARGET_OS_CPP_BUILTINS): Likewise.
1214         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
1215         TARGET_BPABI_CPP_BUILTINS.
1216
1217 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
1218
1219         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
1220
1221 2004-09-02  Eric Christopher  <echristo@redhat.com>
1222
1223         * builtins.c (expand_builtin_cabs): Delete.
1224         (expand_builtin): If unable to fold the values do a normal
1225         library call for builtin_cab*.
1226         (fold_builtin_cabs): Depend on optimize and optimize_size.
1227         * optabs.c (expand_cmplxdiv_straight): Delete.
1228         (expand_cmplxdiv_wide): Ditto.
1229         (expand_vector_binop): Ditto.
1230         (expand_vector_unop): Ditto.
1231         (expand_complex_abs): Delete.
1232         (expand_binop): Remove calls to above functions.
1233         Remove open coding of complex arithmetic.
1234         (expand_unop): Ditto.
1235         * optabs.h: Remove prototypes.
1236
1237 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
1238
1239         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
1240         * c-tree.h (store_parm_decls_newstyle): New prototype.
1241
1242 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
1243
1244         * config/rs6000/rs6000.c (expand_block_clear): Use vector
1245         instructions if available.
1246         (expand_block_move): Likewise.
1247
1248 2004-09-03  Jan Hubicka  <jh@suse.cz>
1249
1250         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
1251
1252 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
1253
1254         * config/arm/symbian.h (LIB_SPEC): Define to empty.
1255         * config/arm/t-symbian (SHLIB_LC): Likewise.
1256
1257 2004-09-02  Paul Brook  <paul@codesourcery.com>
1258
1259         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
1260
1261 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
1262
1263         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
1264         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
1265         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
1266         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
1267         (mips_issue_rate): Remove unreachable abort.
1268         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1269         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
1270         (mips_block_move_straight, print_operand_address, mips_file_start)
1271         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
1272         (mips_output_conditional_branch, mips_expand_builtin_direct)
1273         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
1274         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
1275         with gcc_assert.
1276
1277 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
1278
1279         * config/mips/mips.md (*lea_high64): Change split condition to
1280         flow2_completed.  Add a peephole2 to generate a more parallel version.
1281
1282 2004-09-02  Jan Hubicka  <jh@suse.cz>
1283
1284         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
1285         GGC.
1286
1287         * ggc-page.c: include tree-flow.h.
1288         (extra_order_size_table): Add stmt_ann_d.
1289         (STAT_LABEL): Rename from ....
1290         (LABEL): ... this one.
1291         * Makefile.in (ggc-page.o): Add dependency.
1292
1293         * ggc-common.c (ggc_force_collect): New global variable.
1294         (loc_description): Add fields "freed", "collected"
1295         (ptr_hash): New static hash
1296         (ptr_hash_entry): New structure.
1297         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
1298         (ggc_record_overhead): Take ptr argument, record it
1299         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
1300         (cmp_statistics): Imrove sorting.
1301         (dump_ggc_loc_statistics): Output newly collected statistics
1302         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
1303         (ggc_free): Call ggc_free_overhead.
1304         (ggc_collect): Force collection when asked to be forced.
1305         (ggc_collect): Call ggc_prune_overhead_list.
1306         * ggc.h (ggc_force_collect): Declare
1307         (ggc_record_overhead): Update prototype.
1308         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
1309
1310 2004-09-02  James E Wilson  <wilson@specifixinc.com>
1311
1312         * common.opt (ftrapping-math): Default to on.
1313
1314 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
1315
1316         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
1317
1318 2004-09-02  Denis Chertykov  <denisc@overta.ru>
1319
1320         PR target/16884
1321         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
1322         match_scratch.
1323         (*movmemqi_insn): Likewise.
1324         (*movmemhi): Likewise.
1325         (clrmemhi): Likewise.
1326         (*clrmemqi): Likewise.
1327         (*clrmemhi): Likewise.
1328
1329 2004-09-02  Paul Brook  <paul@codesourcery.com>
1330
1331         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
1332         default_use_cxa_atexit=yes.
1333
1334 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
1335
1336         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
1337         (struct kernel_old_ucontext): Delete.
1338         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
1339         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
1340         when IN_LIGGCC2.
1341
1342 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
1343
1344         * toplev.c (process_options): Fix typo.
1345
1346 2004-09-01  Richard Henderson  <rth@redhat.com>
1347
1348         PR middle-end/17258
1349         * calls.c (initialize_argument_information): Tighten pass-through
1350         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
1351         Use build_fold_addr_expr.
1352         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
1353         that assumes ADDR_EXPR allocates stack space.
1354         * fold-const.c (build_fold_addr_expr_with_type): Look through
1355         WITH_SIZE_EXPR.
1356
1357 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
1358
1359         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
1360         * ggc.h (ggc_alloc_rtx): Delete.
1361
1362 2004-09-01  Roger Sayle  <roger@eyesopen.com>
1363
1364         * expmed.c (enum alg_code): Remove long unused enumeration values.
1365         (struct mult_cost): New structure to hold the "score" of a synthetic
1366         multiply sequence, including both a rtx_cost and a latency field.
1367         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
1368         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
1369         (struct algorithm): Change type of cost field to be mult_cost.
1370         (synth_mult): Change type of cost_limit argument to be a
1371         pointer to a mult_cost.  Update all cost comparisons to use the
1372         new mult_cost infrastructure.  For alg_add_factor and
1373         alg_sub_factor operations, latency is lower than the rtx_cost.
1374         (choose_mult_variant):  Update calls to synth_mult.  Perform
1375         cost comparisons using the new mult_cost infrastructure.
1376         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
1377         to optain the total rtx_cost of a synth_mult "algorithm".
1378
1379 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
1380
1381         * config/rs6000/power4.md: Increase store latency to 12.
1382         * config/rs6000/power5.md: Same.
1383
1384 2004-09-01  James E Wilson  <wilson@specifixinc.com>
1385
1386         PR target/14064
1387         * config/avr/avr.c (avr_unique_section): Delete prototype and
1388         definition.
1389         (TARGET_ASM_UNIQUE_SECTION): Delete.
1390
1391 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1392
1393         * c-parse.in (primary): Call objc_build_message_expr(),
1394         objc_build_selector_expr(), objc_build_protocol_expr(),
1395         objc_build_encode_expr() and objc_build_string_object() instead of
1396         build_message_expr(), build_selector_expr(), build_protocol_expr(),
1397         build_encode_expr() and build_objc_string_object(), respectively.
1398         (component_decl_list2): Call objc_get_class_ivars() instead of
1399         get_class_ivars_from_name().
1400         (keyworddecl): Call objc_build_keyword_decl() instead of
1401         build_keyword_decl().
1402         (receiver): Call objc_get_class_reference() instead of
1403         get_class_reference().
1404         (reswords): Add blank line before @@ifobjc section, for clarity.
1405
1406 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
1407
1408         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
1409         to Altivec vetors.
1410
1411 2004-09-01  Wu Yongwei  <adah@sh163.net>
1412             Danny Smith  <dannysmith@users.sourceforge.net>
1413
1414         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
1415         not Windows 'DWORD'.
1416         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
1417         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
1418         (__gthr_win32_recursive_mutex_init_function): Add prototype for
1419         __GTHREAD_HIDE_WIN32API case..
1420         (__gthr_win32_recursive_mutex_lock): Likewise.
1421         (__gthr_win32_recursive_mutex_trylock): Likewise.
1422         (__gthr_win32_recursive_mutex_unlock): Likewise.
1423         (__gthread_recursive_mutex_init_function); Add definition for
1424         __GTHREAD_HIDE_WIN32API case.
1425         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
1426         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
1427         call to InterlockedDecrement.
1428
1429 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1430
1431         * tree-tailcall.c (find_tail_calls): Also fail is statement has
1432         volatile operands.
1433
1434         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
1435
1436         * doc/c-tree.texi: Document new operands for ARRAY_REF and
1437         COMPONENT_REF.
1438
1439 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1440
1441         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
1442         * common.opt (fspeculative-prefetching): New.
1443         * flags.h (flag_speculative_prefetching_set): Declare.
1444         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
1445         values.
1446         * opts.c (flag_sepculative_prefetching_set): New variable.
1447         (common_handle_option): Handle -fspeculative-prefetching.
1448         * passes.c (rest_of_compilation): Ditto.
1449         * profile.c (instrument_values, compute_value_histograms, branch_prob):
1450         Use vectors instead of arrays.
1451         * toplev.c (process_options): Handle -fspeculative-prefetching.
1452         * rtl-profile.c: Include ggc.h.
1453         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
1454         rtl_gen_one_value_profiler_no_edge_manipulation,
1455         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
1456         argument changed.
1457         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
1458         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
1459         argument changed.
1460         * value-prof.c: Include ggc.h.
1461         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
1462         macros.
1463         (insn_prefetch_values_to_profile, find_mem_reference_1,
1464         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
1465         speculative_prefetching_transform): New.
1466         (value_profile_transformations): Call speculative_prefetching_transform.
1467         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
1468         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
1469         tree_find_values_to_profile, find_values to profile): Use vectors
1470         instead of arrays.
1471         (free_profiled_values): Removed.
1472         * value-prof.h (struct histogram_value): Renamed to
1473         struct histogram_value_t.
1474         (histogram_value, histogram_values): New types.
1475         (find_values_to_profile): Declaration changed.
1476         (free_profiled_values): Removed.
1477         (struct profile_hooks): Type of argument of the hooks changed to
1478         histogram_value.
1479         * doc/invoke.texi (-fspeculative-prefetching): Document.
1480
1481 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1482
1483         PR rtl-optimization/16408
1484         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
1485
1486 2004-09-01  Richard Henderson  <rth@redhat.com>
1487
1488         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
1489         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
1490
1491 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1492
1493         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
1494
1495 2004-09-01  Mike Stump  <mrs@apple.com>
1496
1497         * config/darwin.c (machopic_symbol_defined_p): In addition to
1498         being SYMBOL_REF_LOCAL_P, a symbol must also be
1499         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
1500         defined in this output file, or translation unit in the case
1501         of IMA not being used.
1502         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
1503         never need .indirect_symbol when indirecting.
1504
1505 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1506
1507         * Makefile.in (bb-reorder.o): Add several dependencies.
1508
1509 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
1510
1511         * fold-const.c (operand_equal_p): Require equal sign also for
1512         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
1513
1514 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1515
1516         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
1517         for use in configargs.h.  Put the cname in a separate variable.  Use
1518         that to set target_cpu_default2.
1519
1520 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
1521             Nick Clifton  <nickc@redhat.com>
1522
1523         * config/sh/sh.md ("length"): Increase branch length when
1524         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
1525         constant, 2 byte for aligning the constant.
1526
1527 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1528
1529         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
1530         CPU.
1531         (arm7tdmi-s): New CPU name.
1532         * arm/arm.c (ARM_CORE): Update for new format.
1533         * arm/arm.h (ARM_CORE): Likewise.
1534         * arm/gentune.sh: Update for extra field.
1535         * config.gcc: Likewise.
1536         * arm/arm-tune.md: Regenerate.
1537         * doc/invoke.texi: Document the real processor names for ARM cpus.
1538
1539 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
1540
1541         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
1542         (floatdidf): New functions.
1543         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
1544         (floatdisf): New functions.
1545         * t-arm-elf: Use them.
1546
1547 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
1548
1549         * c-common.h (lookup_interface): Remove prototype.
1550         (is_class_name): Rename to objc_is_class_name.
1551         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1552         (get_current_scope): Rename to objc_get_current_scope.
1553         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
1554         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
1555         (yylexname): Call objc_is_class_name() instead of is_class_name().
1556         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
1557         instead of lookup_objc_ivar().
1558         * stub-objc.c (lookup_interface): Remove stub.
1559         (is_class_name): Rename to objc_is_class_name.
1560         (lookup_objc_ivar): Rename to objc_lookup_ivar.
1561
1562 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1563
1564         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
1565         * config/arm/lib1funcs.asm: Do not include supplemental .S files
1566         when compiling for Symbian.
1567         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
1568         (TARGET_OS_CPP_BUILTINS): Likewise.
1569         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
1570
1571 2004-08-31  Stan Shebs  <shebs@apple.com>
1572
1573         * toplev.c (process_options): Ensure debug_hooks is initialized.
1574
1575 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1576
1577         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
1578         * target.h (cxx): Add export_class_data.
1579         * config/arm/arm.c (arm_cxx_export_class_data): New function.
1580         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
1581         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
1582
1583 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
1584
1585         * config/sh/sh.c (output_branch): Check the insn length possibly
1586         in the delayed slot.
1587
1588 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1589
1590         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
1591         blank after ')'.
1592         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
1593
1594         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
1595         (c_sizeof_of_alignof_type): Likewise.
1596         * expr.c (array_ref_element_size): Likewise.
1597         (highest_pow2_factor_for_target): Likewise.
1598         * gimplify.c (canonicalize_addr_expr): Likewise.
1599         (gimplify_compound_lval): Likewise.
1600         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
1601         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1602         * varasm.c (assemble_variable): Likewise.
1603         (output_constant_def_contents): Alignments are unsigned.
1604
1605 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
1606             Jeff Law  <law@redhat.com>
1607
1608         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
1609         gets modified.
1610
1611 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
1612
1613         * hooks.c (hook_bool_void_true): New function.
1614         * hooks.h (hook_bool_void_true): Declare.
1615         * target-def.h (TARGET_CXX): Add
1616         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
1617         * target.h (struct cxx): Add key_method_may_be_inline.
1618         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
1619         function.
1620         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
1621         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
1622         __THUMB_INTERWORK.
1623
1624 2004-08-31  Denis Chertykov  <denisc@overta.ru>
1625
1626         PR target/15417
1627         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
1628         frame pointer register only in Pmode while reload in progress.
1629
1630 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
1631
1632         PR target/15334
1633         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
1634         because it breaks the 32-bit shift patterns that rely on a match_dup.
1635
1636 2004-08-31  Matt Austern  <austern@apple.com>
1637
1638         * config/darwin.c (darwin_make_decl_one_only): Allocate section
1639         names once per compilation, instead of once per symbol.
1640
1641 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
1642
1643         * Makefile.in (build_subdir): New substitution.
1644         (fixinc.sh): Simplify heavily since fixincludes is already built.
1645         (stmp-fixinc): Depend on specs.ready.
1646         (install-mkheaders): Use new location of fixincludes.
1647         (clean): Do not descend into fixinc.
1648         (FORBUILD): Replace with ../$(build_subdir).
1649         * configure.ac (build_subdir): Substitute.
1650         (FORBUILD): Do not set.
1651         (all_outputs): Remove fixinc/Makefile.
1652         (default commands): Do not create links in fixinc.
1653         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
1654         the fixincludes configuration steps and substituting
1655         @FIXINCL@ in fixinc.in.
1656         * fixinc.in: New, from fixinc/fixincl.sh.
1657
1658         * fixinc/*: Removed.
1659
1660 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
1661
1662         * attribs.c (strip_attrs): Remove.
1663         (split_specs_attrs): Move ...
1664         * c-decl.c: ... to here.
1665         * tree.h (split_specs_attrs, strip_attrs): Remove.
1666         * c-tree.h (split_specs_attrs): Declare.
1667
1668 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1669
1670         * read-rtl.c: Disable RTL checking.
1671         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
1672
1673 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
1674
1675         * config/mips/mips.md (fcond): New code macro and attribute.
1676         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
1677         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
1678         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
1679
1680 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
1681
1682         Revert:
1683         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1684         PR rtl-optimization/16590
1685         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1686
1687 2004-08-30  Andrew Pinski  <apinski@apple.com>
1688
1689         * hard-reg-set.h:
1690         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
1691         * ChangeLog: Fix previous ChangeLog entry.
1692
1693         PR rtl-opt/13987
1694         * config.host (use_long_long_for_widest_fast_int): New, default is
1695         off.
1696         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
1697         * configure.ac: If use_long_long_for_widest_fast_int, then
1698         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
1699         * configure: Regenerate.
1700         * config.in: Regenerate.
1701         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
1702         New: widest integer type supported efficiently in hardware for the
1703         host.
1704         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
1705         HOST_BITS_PER_WIDEST_FAST_INT.
1706         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
1707         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
1708         HOST_WIDEST_FAST_INT
1709         instead of HOST_WIDE_INT.
1710         (HARD_REG_SET_LONGS): Likewise.
1711         (UHOST_BITS_PER_WIDE_INT): Likewise.
1712         Change the checks for the fast cases to be based on
1713         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
1714
1715 2004-08-30  Steven Bosscher  <stevenb@suse.de>
1716
1717         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
1718         not the pointers.
1719
1720 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
1721
1722         PR 12738
1723         PR 17205
1724         Radar 3460526
1725         Radar 3775729
1726         * c-decl.c (grokdeclarator): Produce error for 'static' on local
1727         function declaration.
1728
1729 2004-08-30  Richard Henderson  <rth@redhat.com>
1730
1731         * expr.c (array_ref_element_size): Force aligned_size back to
1732         sizetype.
1733         (component_ref_field_offset): Similarly for aligned_offset.
1734         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
1735         low-bound, element-size, field-offset fields rather than
1736         computed values.
1737
1738 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1739
1740         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
1741         redundant code.
1742
1743 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
1744
1745         * c-tree.h (struct language_function): Add arg_info element.
1746         * c-decl.c (current_function_arg_info): New.
1747         (grokdeclarator, store_parm_decls): Use it instead of
1748         DECL_ARGUMENTS.
1749         (c_push_function_context, c_pop_function_context): Save and
1750         restore it.
1751
1752 2004-08-30  Richard Henderson  <rth@redhat.com>
1753
1754         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
1755         COMPONENT_REF to pointer arithmetic.
1756         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
1757         constant "c" as a valid constant initializer.  Allow narrowing of
1758         differences against the same base object, for any base object.
1759
1760 2004-08-30  Richard Henderson  <rth@redhat.com>
1761
1762         * expr.c (expand_expr_addr_expr): New.
1763         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
1764
1765 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1766
1767         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
1768         (mips_fp_condition): New enum.
1769         (mips_fp_conditions): New array.
1770         (print_fcc_operand): Delete.
1771         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
1772         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
1773         (builtin_description): Add "cond" field.
1774         (DIRECT_BUILTIN): Initialize it.
1775         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
1776         into INSN and CODE.  Initialize the "cond" field.
1777         (CMP_BUILTINS): Update accordingly.
1778         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
1779         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
1780         mips_fp_condition as argument.  Make it the final operand of the
1781         comparison instruction.
1782         (mips_expand_builtin): Update accordingly.
1783         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
1784         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
1785         the gaps.
1786         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
1787         Don't use the 'Q' operand prefix; just print the operand normally.
1788         (mips_cabs_*, mips_c_*): Delete, replacing with...
1789         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
1790         patterns.  Split the 4s versions into 2 ps patterns after reload.
1791
1792 2004-08-30  Richard Henderson  <rth@redhat.com>
1793
1794         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
1795         assuming an ADDR_EXPR is non-null.
1796
1797 2004-08-30  Jason Merrill  <jason@redhat.com>
1798
1799         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
1800
1801 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1802
1803         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
1804         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
1805         gcc_assert and gcc_unreachable instead of abort.
1806         * alloc-pool.c (abort, fancy_abort): Remove.
1807         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
1808         gcc_assert or gcc_unreachable.
1809         * attribs.c (init_attributes, decl_attributes): Likewise.
1810         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
1811         mark_bb_for_unlikely_executed_section,
1812         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
1813         fix_crossing_unconditional_branches):  Likewise.
1814         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
1815         bitmap_operation):  Likewise.
1816         * bt-load.c (insn_sets_btr_p, augment_live_range,
1817         move_btr_def):  Likewise.
1818         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
1819         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
1820         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
1821         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
1822         expand_builtin_memcmp, expand_builtin_args_info,
1823         std_gimplify_va_arg_expr, expand_builtin_unop,
1824         expand_builtin_fputs, expand_builtin_profile_func,
1825         expand_builtin_fork_or_exec, fold_builtin_bitop,
1826         fold_builtin_classify, fold_builtin_fputs): Likewise.
1827
1828 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1829
1830         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
1831         * gcov.c (abort): Remove undef.
1832
1833         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
1834         (struct tree_binfo): Remove primary field.
1835
1836 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1837
1838         * fixinc/Makefile.in (machname.h): Remove.
1839         (fixincl.x): Do not pass $@ to genfixes.
1840         * fixinc/genfixes: Remove code to produce machname.h.
1841         * fixinc/fixincl.sh: Move it here instead.
1842         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
1843         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
1844         return a bool indicating whether pz_mn_name_pat is NULL.
1845         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
1846         Declare extern C variables for the ENV_TABLE.
1847         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
1848         instead use the result of mn_get_regexps.
1849         * fixinc/fixtests.c: Likewise.
1850
1851 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
1852
1853         * configure.ac: Do not run fixincludes after stage1 during
1854         toplevel bootstrap.
1855         * configure: Regenerate.
1856
1857 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1858
1859         * sched-deps.c (get_condition): Partially revert previous, by never
1860         trying to extract the condition from a condjump.
1861
1862 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
1863
1864         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
1865         (handle_visibility_attribute, c_determine_visibility): Likewise.
1866         * c-common.h (my_friendly_assert): Remove.
1867
1868 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
1869
1870         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
1871         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
1872         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
1873         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
1874         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
1875
1876 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
1877
1878         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
1879         in COMPONENT_REF nodes.
1880
1881 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1882
1883         PR c++/15378
1884         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
1885         global_dc->warning_as_error_requested.
1886         * diagnostic.c (diagnostic_initialize): Tidy.
1887         * diagnostic.h (diagnostic_context::x_data): Remove
1888         (diagnostic_context::issue_warnings_are_errors_message): Rename
1889         from warnings_are_errors_message.
1890         (diagnostic_context::warning_as_error_requested): New.
1891
1892 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
1893
1894         * sched-deps.c (get_condition): Fix breakage in previous patch.
1895
1896 2004-08-30  Paul Brook  <paul@codesourcery.com>
1897
1898         * doc/install.texi: Fix broken mpfr link.
1899
1900 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
1901
1902         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
1903         other FreeBSD platforms.
1904
1905 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1906
1907         * arm.h (REVERSE_CONDITION): Define.
1908         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
1909
1910 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1911
1912         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
1913         just the codes, call reversed_comparison_code ().
1914         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
1915         (not_reg_cond): Use reversed_comparison_code.
1916         (and_reg_cond): Likewise.
1917         * ifcvt.c (cond_exec_process_if_block): Likewise.
1918         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
1919
1920 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
1921
1922         * sched-deps.c (get_condition): Rewrite using jump support functions.
1923         Use reversed_comparison_code.
1924         (conditions_mutex_p): Use reversed_comparison_code.
1925
1926 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1927
1928         * config/mips/mips.c (override_options): Disable hot/cold partitioning
1929         for MIPS16.
1930
1931 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1932
1933         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
1934         (mips_function_type): Move to mips.c.
1935         * config/mips/mips.c (mips_builtin_type): New enum.
1936         (builtin_description): Replace code and ftype with builtin_type
1937         and function_type.
1938         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
1939         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
1940         (CODE_FOR_mips_abs_ps): Define.
1941         (mips_bdesc): Use new macros.
1942         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
1943         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
1944         (mips_expand_builtin_direct): New function.
1945         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
1946         builtin.  Replace boolean parameter with builtin_type.
1947         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
1948         (mips_expand_4s_compare_builtin): Delete, replacing with...
1949         (mips_expand_builtin_compare): ...this new function.
1950
1951 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
1952
1953         PR rtl-optimization/16590
1954         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
1955
1956 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
1957
1958         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
1959         * tree-ssa-propagate.c: Fix documentation.
1960
1961 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1962
1963         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
1964         (mov[sd]fcc): Likewise.
1965
1966 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1967
1968         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
1969
1970 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1971
1972         * config/mips/mips.md (divide_condition): New mode attribute.
1973         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
1974         (sqrt[sd]f3): Redefine using SCALARF.
1975         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
1976         patterns.
1977
1978 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1979
1980         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
1981         (loadx, storex, fmt, UNITMODE): New mode attributes.
1982         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
1983         (mul[sd]f3): Redefine using :SCALARF.
1984         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
1985         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
1986         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
1987         Check TARGET_FUSED_MADD for V2SF too.
1988         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
1989         were already named.
1990         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
1991         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
1992
1993 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1994
1995         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
1996         V2SF_type_node if it will be needed.
1997
1998 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
1999
2000         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
2001         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
2002         (mips_prepare_builtin_target): New function.
2003         (mips_expand_builtin): Use them.  Update calls to subroutines.
2004         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
2005         cmp_choice with a boolean argument to select between movt and movf.
2006         Take the comparison's icode as an argument, not the function's fcode.
2007         (mips_expand_compare_builtin): New function.  Rename existing function
2008         to mips_expand_scalar_compare_builtin.
2009         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
2010         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
2011         comparison's icode as an argument, not the builtin's fcode.
2012
2013 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2014
2015         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
2016         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
2017         registers are false and -1 if all registers are true.
2018         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
2019         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
2020         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
2021         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
2022         (bc1any2t, bc1any2f): Likewise CCV2.
2023         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
2024
2025 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
2026
2027         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
2028         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
2029         UNSPEC rather than an IF_THEN_ELSE.
2030         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
2031         mips_cond_move_tf_ps by name.
2032
2033 2004-08-29  Chao-ying Fu  <fu@mips.com>
2034             James E Wilson  <wilson@specifixinc.com>
2035
2036         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
2037         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
2038         * config/mips/mips-ps-3d.md: New file.
2039         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
2040         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
2041         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
2042         (mips_output_move): Emit "mov.ps" for V2SFmode.
2043         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
2044         MODE_VECTOR_FLOAT.
2045         (override_options): Check if TARGET_MIPS3D and there was an explicit
2046         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
2047         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
2048         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
2049         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
2050         and allow CCV2 and CCV4 to occupy two and four CC registers.
2051         (print_fcc_operand): New function.
2052         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
2053         %Z to call print_fcc_operand.
2054         (mips_function_value): Handle MODE_VECTOR_FLOAT.
2055         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
2056         (mips_vector_mode_supported_p): New function.
2057         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
2058         (builtin_description): New struct.
2059         (mips_bdesc): New array of struct builtin_description.
2060         (mips_expand_builtin, mips_init_builtins,
2061         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
2062         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
2063         functions.
2064         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
2065         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
2066         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
2067         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
2068         "-mips3d", and "-mno-mips3d".
2069         (ASM_SPEC): Map -mips3d to -mips3d in gas.
2070         (EXTRA_CONSTRAINT_Y): New macro.
2071         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
2072         multi-letter constraint 'Y'.
2073         (CONSTRAINT_LEN): New macro.
2074         (enum mips_builtins): New for MIPS builtin functions.
2075         (enum mips_function_type): New for the types of MIPS builtin functions.
2076         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
2077         * config/mips/mips.md: New constants for paired single and MIPS-3D
2078         instructions.  Include the new mips-ps-3d.md file.
2079         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
2080         movv2sf_hardfloat_64bit): New named patterns.
2081         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
2082         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
2083         sdxc1_v2sf_di): New unnamed patterns.
2084         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
2085         const_vector support.
2086         (const_0_or_1_operand): New predicate.
2087         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
2088
2089 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
2090
2091         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
2092         (tree-ssa-propagate.o): New rule.
2093         (GTFILES): Add tree-ssa-propagate.c.
2094         * tree-flow.h (struct stmt_ann_d): Remove field
2095         in_ccp_worklist.
2096         * tree-ssa-propagate.c: New file.
2097         * tree-ssa-propagate.h: New file.
2098         * tree-ssa-ccp.c: Re-write to use the routines from
2099         tree-ssa-propagate.c.
2100
2101 2004-08-28  Andrew Pinski  <apinski@apple.com>
2102
2103         * tree-ssa-loop.c: Remove extra include of basic-block.h.
2104
2105 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
2106
2107         * c-common.h: Update comments about ObjC/ObjC++ entry points.
2108         (objc_is_reserved_word): New prototype.
2109         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
2110         separate section; these are call-backs.
2111         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
2112         ObjC/ObjC++ "@" keywords.
2113         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
2114         prototypes; they already live in c-common.h.
2115         * stub-objc.c: Update copyright notice.
2116         (objc_is_reserved_word): New stub.
2117
2118 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
2119
2120         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
2121         even when not checking.
2122
2123 2004-08-27  Jason Merrill  <jason@redhat.com>
2124
2125         PR c++/13684
2126         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
2127         (gimple_push_cleanup): Add eh_only parm.
2128         (gimplify_target_expr): Pass it.
2129         * c.opt (-fno-threadsafe-statics): New option.
2130         * c-opts.c (c_common_handle_option): Handle it.
2131         * c-common.h (flag_threadsafe_statics): Declare it.
2132         * c-common.c (flag_threadsafe_statics): Record it.
2133         * doc/invoke.texi: Document it.
2134         * tsystem.h (_GNU_SOURCE): Define.
2135         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
2136         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
2137         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
2138         (__gthread_recursive_mutex_init_function): New fn.
2139         (__gthread_recursive_mutex_lock): New fn.
2140         (__gthread_recursive_mutex_trylock): New fn.
2141         (__gthread_recursive_mutex_unlock): New fn.
2142         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
2143         * gthr-win32.h, gthr-vxworks.h: Likewise.
2144         * gthr.h: Document.
2145
2146 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
2147
2148         * config/rs6000/rs6000.c (rs6000_override_options): Increase
2149         maximum skip to 15.  Set function alignment, jump alignment, and
2150         loop alignment to 16 for processors that form dispatch groups.
2151         (rs6000_rtx_costs): outer_code is used.
2152
2153 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
2154
2155         * stor-layout.c (sizetype_set): Remove.
2156         (set_sizetype): Don't test or set it.
2157
2158         * tree.h (size_int_type): Remove.
2159         * fold-const.c: Do not #include gt-fold-const.h.
2160         (size_htab_hash, size_htab_eq): Remove.
2161         (size_int_kind): Use build_int_cst.
2162         (new_const, size_htab): Remove.
2163         (size_int_type): Remove.
2164         (round_up): Use build_int_cst.
2165         (round_down): Likewise. Remove spurious constant build.
2166
2167 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
2168
2169         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
2170         Add is_release variable, use it for --enable-werror and
2171         --enable-checking defaults.
2172         * system.h (gcc_assert, gcc_unreachable): New.
2173         * doc/install.texi (--enable-checking): Update.
2174         * configure, config.in: Rebuilt.
2175
2176 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
2177
2178         * rtl.h (read_rtx): Change prototype.
2179         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
2180         line number.  Return true on success.
2181         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
2182         callers accordingly.
2183
2184 2004-08-26  Richard Henderson  <rth@redhat.com>
2185
2186         * c-typeck.c (build_offsetof): Remove.
2187         * c-tree.h (build_offsetof): Remove.
2188         * c-common.c (fold_offsetof_1, fold_offsetof): New.
2189         * c-common.h (fold_offsetof): Declare.
2190         * c-parse.in (offsetof_base): New.
2191         (offsetof_member_designator): Use it.  Build references, not just
2192         a tree list.
2193         (primary): Use fold_offsetof, not build_offsetof.
2194
2195 2004-08-26  Richard Henderson  <rth@redhat.com>
2196
2197         * tree.c (staticp): Return the static object.
2198         * tree.h (staticp): Update decl.
2199         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
2200         * langhooks.c (lhd_staticp): Return NULL_TREE.
2201         * langhooks-def.h (lhd_staticp): Update decl.
2202         * c-common.c (c_staticp): Return the static object.
2203         * c-common.h (c_staticp): Update decl.
2204
2205 2004-08-26  Richard Henderson  <rth@redhat.com>
2206
2207         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
2208         modes.
2209
2210 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
2211
2212         PR c/13801
2213         * c-decl.c (struct c_binding): Add type and inner_comp fields.
2214         (bind): Set type and inner_comp fields.
2215         (pop_scope): Restore type of decl to the correct type from an
2216         outer scope.  Give error when popping file scope for incomplete
2217         arrays completed incompatibly with default initialization in an
2218         inner scope.
2219         (diagnose_mismatched_decls): Handle externs with initializers at
2220         block scope.
2221         (pushdecl): Set type of external declaration at block scope based
2222         only on the visible declarations.  Save type when changing the
2223         type of a declaration.  Merge an external declaration at block
2224         scope with a visible static declaration at file scope.
2225         (implicitly_declare): Give recycled old declaration the new type
2226         except for incompatible declarations of built-in functions, saving
2227         the old type.
2228
2229 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
2230
2231         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
2232
2233 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
2234
2235         * tree-alias-common.c (gate_pta): New function.
2236         (pass_build_pta): Use it.
2237         (pass_del_pta): Use it.
2238         (delete_alias_vars): Don't check flag_tree_points_to.
2239
2240 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2241
2242         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
2243         TFmode as additional register mode cloberred by call.
2244
2245 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2246
2247         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
2248         parallel pattern for library call returning DImode in
2249         mixed mode.
2250
2251 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2252
2253         * config/rs6000/rs6000.c (function_arg): Generate parallel
2254         pattern for more split args.
2255
2256 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
2257
2258         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
2259         either gen_movdi_di_update or gen_movdi_si_update depending on
2260         target mode.
2261         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
2262         to generate two versions.
2263
2264 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
2265
2266         * Makefile.in (lambda-code.o): New.
2267         (lambda-trans.o): Ditto.
2268         (TREE_DATA_REF_H): Ditto.
2269         (LAMBDA_H): Ditto.
2270         (lambda-mat.o): Use LAMBDA_H.
2271         (tree-data-ref.o): Ditto.
2272         * lambda-code.c: New file.  Lambda code generation algorithm.
2273         * lambda-trans.c: Ditto. Lambda transformation matrix support.
2274         * lambda.h: Add lambda loop structures.
2275         Add lambda loopnest structures.
2276         Add lambda body vector structure.
2277         Add lambda linear expression structures.
2278         Add prototypes for functions in new files.
2279         * lambda-mat.c: Include tree.h
2280
2281 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
2282             Sebastian Pop  <pop@cri.ensmp.fr>
2283
2284         * tree-data-ref.h: Include lambda.h
2285         (free_dependence_relation): Declared here.
2286         (free_dependence_relations): Ditto.
2287         (free_data_refs): Ditto.
2288         * tree-data-ref.c (free_dependence_relation): New function.
2289         (free_dependence_relations): Ditto.
2290         (free_data_refs): Ditot.
2291         (analyze_all_data_dependences): Free datarefs and dependence_relations.
2292         (build_classic_dist_vector): Store in the dependence_relations the
2293         information. Each arc in the dependence_relations graph is labelled
2294         with the distance and direction vectors.
2295         (build_classic_dir_vector): Ditto.
2296         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
2297         Now computes again the whole dependence graph including read-read
2298         relations.
2299         (compute_data_dependences_for_loop): Now dependence_relations contains
2300         all the data, and thus it doesn't need to initialize the classic_dir
2301         and classic_dist vectors.
2302         (analyze_all_data_dependences): Adjusted for using the new interface of
2303         compute_data_dependences_for_loop.  Remove the statistics dump.
2304
2305 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
2306
2307         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
2308         (xtensa_expand_block_move): Update comment.
2309         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
2310
2311 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
2312
2313         PR target/13506
2314         * toplev.c (crash_signal): If we crashed while emitting
2315         a user asm, then die more gracefully.
2316
2317 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2318
2319         PR target/17119.
2320         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
2321         checking for a valid constant, regardless of sign.
2322
2323 2004-08-25  Richard Henderson  <rth@redhat.com>
2324
2325         PR target/16974
2326         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
2327         if the constant satisfies add_operand.
2328
2329 2004-08-25  Richard Henderson  <rth@redhat.com>
2330
2331         PR debug/10695
2332         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
2333         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
2334         unwind info for >16-bit frames.
2335
2336 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
2337
2338         PR target/17171
2339         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
2340
2341 2004-08-25  Richard Henderson  <rth@redhat.com>
2342
2343         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
2344         (TARGET_CANNOT_FORCE_CONST_MEM): New.
2345
2346 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
2347
2348         * doc/tree-ssa.texi: Document new operand iterator.
2349
2350 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
2351
2352         PR target/16480
2353         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
2354         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
2355         as PLUS base regs.
2356
2357 2005-08-28  Paul Brook  <paul@codesourcery.com>
2358
2359         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
2360         -mfpu=vfp -march=armv5t
2361         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
2362
2363 2004-08-25  Richard Henderson  <rth@redhat.com>
2364
2365         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
2366         * target.h (struct gcc_target): Add scalar_mode_supported_p.
2367         * targhooks.c (default_scalar_mode_supported_p): New.
2368         * targhooks.h (default_scalar_mode_supported_p): Declare.
2369         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
2370
2371         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
2372         before attempting to create types.  Tidy.
2373         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
2374
2375         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
2376         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
2377
2378 2004-08-25  Richard Henderson  <rth@redhat.com>
2379
2380         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
2381         set REAL_MODE_FORMAT for TFmode.
2382
2383 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
2384
2385         * c-decl.c (grokparm): New function.
2386         * c-tree.h (grokparm): New prototype.
2387
2388 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
2389
2390         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
2391         iterator controlling structure.
2392         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
2393         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
2394         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
2395         iterator flags.
2396         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
2397         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
2398         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
2399         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
2400         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
2401         Empty operand pointers.
2402         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
2403         (op_iter_next_use): New.  Return next use_operand_p.
2404         (op_iter_next_def): New.  Return next def_operand_p.
2405         (op_iter_next_tree): New.  Return next operands as a tree.
2406         (op_iter_init): New.  Initialize an iterator structure.
2407         (op_iter_init_use): New.  Initialize structure and get the first use.
2408         (op_iter_init_def): New.  Initialize structure and get the first def.
2409         (op_iter_init_tree): New.  Initialize structure and get the first tree.
2410         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
2411         (op_iter_init_maydef): New.  Initialize structure and get the first
2412         V_MAY_DEF operands.
2413         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
2414         * tree-dfa.c (compute_immediate_uses_for_stmt,
2415         redirect_immediate_uses): Use new operand iterator.
2416         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
2417         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
2418         operands instead of using *_disappeared_p routines.
2419         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
2420         ssa_rewrite_stmt): Use new operand iterator.
2421         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
2422         rewrite_trees): Use new operand iterator.
2423         * tree-pretty-print.c (dump_vops): Use new operand iterator.
2424         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
2425         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
2426         dump_points_to_info): Use new operand iterator.
2427         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
2428         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
2429         operand iterator.
2430         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
2431         propagate_necessity): Use new operand iterator.
2432         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
2433         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
2434         a parameter instead of a stmt_ann_t.
2435         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
2436         build_tree_conflict_graph): Use new operand iterator.
2437         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
2438         rewrite_mem_refs): Use new operand iterator.
2439         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
2440         check_loop_closed_ssa_use): Use new operand iterator.
2441         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
2442         * tree-ssanames.c (release_defs): Use new operand iterator.
2443         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
2444
2445 2004-08-25  Adam Nemet  <anemet@lnxw.com>
2446
2447         * tlink.c (initial_cwd): New variable.
2448         (tlink_init): Initialize it.
2449         (recompile_files): Use tlink_execute() instead of system().  Don't
2450         duplicate verbose output of collect_execute.  Restore initial_cwd.
2451         Update comment before the function.
2452
2453 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
2454
2455         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
2456         accept) a cast from one Objective-C pointer type to another.
2457
2458 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
2459
2460         * doc/install.texi: Document that libstdc++-v3 requires
2461         now automake 1.9.1.
2462
2463 2004-08-25  Caroline Tice  <ctice@apple.com>
2464
2465         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
2466         to comments at start of function.
2467         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
2468         comment.
2469         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
2470         merge_blocks_move_predecessor_nojumps,
2471         merge_blocks_move_successor_nojumps, merge_blocks_move,
2472         try_crossjump_to_edge, try_crossjump_bb): Likewise.
2473         * cfglayout.c (fixup_reorder_chain): Likewise.
2474         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
2475         cfg_layout_can_merge_blocks_p):  Likewise.
2476         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
2477         * passes.c (rest_of_compilation): Update comments for calling
2478         optimization that partitions hot/cold basic blocks.
2479         * doc/invoke.texi:  Update documentation of
2480         freorder-blocks-and-partition flag.
2481
2482 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2483
2484         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
2485         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
2486
2487 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
2488
2489         * config/mips/mips.md (any_shift): New code macro.
2490         (optab, insn): New code attributes.
2491         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
2492         Use the standard rather than internal patterns for the MIPS16
2493         double-shift optimization.
2494         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
2495         Redefine using :GPR and any_shift.
2496         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
2497         to cover all three shifts.
2498         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
2499         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
2500         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
2501
2502 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
2503
2504         * gimplify.c (lookup_tmp_var): Separate temporaries when not
2505         optimizing.
2506
2507 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2508
2509         PR libstdc++/17005 (fix for HP-UX 11.11)
2510         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
2511         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
2512         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
2513         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
2514         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
2515         (LINK_SPEC): Handle march=1.0 option.
2516         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2517         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
2518         (SUBTARGET_OPTIONS): New define.
2519         (LINK_SPEC): Handle march=1.0 option.
2520         (STARTFILE_SPEC): New define.
2521         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
2522         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
2523         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
2524         (SUBTARGET_OPTIONS): New define.
2525         (LINK_SPEC): Handle march=1.0 option.
2526         (STARTFILE_SPEC): New define.
2527         * config/pa/pa.c (override_options): Add code to process -munix= option.
2528         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
2529         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
2530         defines.
2531         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
2532         (SUBTARGET_OPTIONS): Provide default define.
2533         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
2534         STANDARD_STARTFILE_PREFIX_2): New defines.
2535         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
2536         (ENDFILE_SPEC): Use %O.
2537         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
2538         Mention issue caused by changing namespace and runtime to UNIX 95/98.
2539         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
2540         Document -munix=std option.
2541
2542 2004-08-25  Steven Bosscher  <stevenb@suse.de>
2543
2544         * cse.c (cse_around_loop, cse_check_loop_start,
2545         cse_set_around_loop): Remove.
2546         (cse_basic_block): Remove the around_loop argument.
2547         (cse_end_of_basic_block): Remove the after_loop argument.
2548         (cse_main): Likewise.
2549         * rtl.h (cse_main): Update prototype.
2550         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
2551         rest_of_handle_gcse): Update cse_main calls.
2552
2553 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
2554
2555         * tree.h  (build_int_cst): New, sign extended constant.
2556         (build_int_cstu): New, zero extended constant.
2557         (build_int_cst_wide): Renamed from build_int_cst.
2558         * tree.c (build_int_cst, build_int_cstu): New.
2559         (build_int_cst_wide): Renamed from build_int_cst.
2560         (make_vector_type, build_common_tree_nodes,
2561         build_common_tree_nodes_2): Adjust build_int_cst calls.
2562         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2563         expand_builtin_strpbrk, expand_builtin_fputs,
2564         build_string_literal, expand_builtin_printf,
2565         expand_builtin_sprintf, fold_builtin_classify_type,
2566         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
2567         fold_builtin_toascii, fold_builtin_isdigit,
2568         simplify_builtin_strstr, simplify_builtin_strpbrk,
2569         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
2570         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
2571         DEF_ATTR_INT): Likewise.
2572         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
2573         Likewise.
2574         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2575         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
2576         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2577         * c-typeck.c (really_start_incremental_init, push_init_level,
2578         set_nonincremental_init_from_string): Likewise.
2579         * calls.c (load_register_parameters): Likewise.
2580         convert.c (convert_to_pointer): Likewise.
2581         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2582         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
2583         build_gcov_info): Likewise.
2584         * except.c (init_eh, assign_filter_values): Likewise.
2585         * expmed.c (store_fixed_bit_field, extract_bit_field,
2586         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2587         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2588         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2589         * expr.c (convert_move, emit_group_load, emit_group_store,
2590         expand_assignment, store_constructor, store_field,
2591         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2592         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2593         invert_truthvalue, optimize_bit_field_compare,
2594         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2595         fold_div_compare, fold, fold_read_from_constant_string,
2596         fold_negate_const, fold_abs_const, fold_not_const, round_up,
2597         round_down): Likewise.
2598         * function.c (assign_parm_setup_block): Likewise.
2599         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
2600         Likewise.
2601         * stor-layout.c (layout_type, initialize_sizetypes,
2602         set_min_and_max_values_for_integral_type): Likewise.
2603         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2604         reset_evolution_in_loop): Likewise.
2605         * tree-chrec.h (build_polynomial_chrec): Likewise.
2606         * tree-complex.c (build_replicated_const): Likewise.
2607         * tree-eh.c (honor_protect_cleanup_actions,
2608         lower_try_finally_onedest, lower_try_finally_copy,
2609         lower_try_finally_switch): Likewise.
2610         * tree-mudflap.c (mf_build_string, mx_register_decls,
2611         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2612         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2613         * tree-pretty-print.c (dump_generic_node): Likewise.
2614         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2615         Likewise.
2616         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2617         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2618         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2619         Likewise.
2620         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
2621         canonicalize_loop_induction_variables): Likewise.
2622         * tree-vectorizer.c (vect_create_index_for_array_ref,
2623         vect_transform_loop_bound, vect_compute_data_ref_alignment):
2624         Likewise.
2625
2626         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
2627         alpha_gimplify_va_arg_1): Likewise.
2628         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2629         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2630         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2631         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2632         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2633         mips_gimplify_va_arg_expr): Likewise.
2634         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2635         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2636         add_compiler_branch_island): Likewise.
2637         * config/s390/s390.c (s390_va_start): Likewise.
2638         * config/sh/sh.c (sh_va_start): Likewise.
2639         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2640         Likewise.
2641         * config/xtensa/xtensa.c (xtensa_va_start,
2642         xtensa_gimplify_va_arg_expr): Likewise.
2643
2644         * objc/objc-act.c (build_objc_string_object,
2645         build_objc_symtab_template, init_def_list, init_objc_symtab,
2646         init_module_descriptor, generate_static_references,
2647         build_selector_translation_table, get_proto_encoding,
2648         build_typed_selector_reference, build_selector_reference,
2649         build_next_objc_exception_stuff,
2650         build_method_prototype_list_template, generate_descriptor_table,
2651         generate_protocols, build_protocol_initializer,
2652         build_ivar_list_template, build_method_list_template,
2653         build_ivar_list_initializer, generate_ivars_list,
2654         generate_dispatch_table, generate_protocol_list,
2655         build_category_initializer, build_shared_structure_initializer,
2656         generate_shared_structures, handle_impent,
2657         generate_objc_image_info): Likewise.
2658
2659 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
2660
2661         * cfglayout.c (duplicate_insn_chain): Remove references to
2662         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
2663         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
2664         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
2665         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
2666         and NOTE_INSN_LOOP_CONT.
2667         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
2668         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
2669         and NOTE_INSN_LOOP_CONT.
2670         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
2671         check_dbra_loop, loop_dump_aux): Remove references to removed notes
2672         and fields.
2673         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
2674         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
2675         references to removed notes and fields.
2676         (subtract_reg_term, ujump_to_loop_cont): Remove.
2677
2678 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
2679
2680         * doc/install.texi: Document that libcpp does not require
2681         Automake any longer.  Document that Automake 1.9.1 should
2682         work everywhere.
2683
2684 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2685
2686         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
2687         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
2688         DWARF_DEBUGGING_INFO from choice-of-definition chain;
2689         restructure using C89 features (#elif, #error).
2690         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
2691         * config/sh/sh.h: Remove references to DWARF_DEBUG.
2692         * doc/invoke.texi: Remove references to DWARF version 1;
2693         clarify why -gdwarf-2<n> doesn't work.
2694
2695 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
2696
2697         * basic-block.h (BB_SET_PARTITION): Clear old value first.
2698         * cfg.c (clear_bb_flags): Don't clear partition setting.
2699         * ifcvt.c (find_if_case_1): Remove ??? comment.
2700
2701 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
2702
2703         PR target/17052
2704         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
2705         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2706         current_function_stdarg in place of sysv_varargs_p.
2707         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
2708         sysv_varargs_p.
2709
2710 2004-08-24  Richard Henderson  <rth@redhat.com>
2711
2712         PR target/16298
2713         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
2714         random codes within CONST.
2715
2716 2004-08-24  James E Wilson  <wilson@specifixinc.com>
2717
2718         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
2719         -freorder-blocks-and-partition.
2720
2721 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2722
2723         PR middle-end/17044
2724         * tree-ssa-threadupdate.c (redirection_data): Make static.
2725         (thread_block): Use ggc_alloc_cleared to allocate struct
2726         redirection_data.  Don't free elements in redirection_data.
2727
2728 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2729
2730         * config/mips/predicates.md (small_data_pattern): Match prefetches.
2731
2732 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2733
2734         PR tree-optimization/17016
2735         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2736         number_of_iterations_exit): Use POINTER_TYPE_P instead
2737         of testing for POINTER_TYPE.
2738
2739 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2740
2741         * tree-ssa-loop-ivcanon.c: New file.
2742         * tree-ssa-loop-manip.c (create_iv): New function.
2743         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
2744         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
2745         * cfgloop.c (mark_single_exit_loops): New function.
2746         (verify_loop_structure): Verify single-exit loops.
2747         * cfgloop.h (struct loop): Add single_exit field.
2748         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
2749         (mark_single_exit_loops): Declare.
2750         (tree_num_loop_insns): Declare.
2751         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
2752         (duplicate_loop_to_header_edge): Use it.
2753         * common.opt (fivcanon): New flag.
2754         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
2755         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
2756         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
2757         (bsi_insert_on_edge_immediate): New function.
2758         * tree-flow.h (bsi_insert_on_edge_immediate,
2759         canonicalize_induction_variables, tree_unroll_loops_completely,
2760         create_iv): Declare.
2761         * tree-optimize.c (init_tree_optimization_passes): Add
2762         pass_iv_canon and pass_complete_unroll.
2763         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
2764         * tree-scalar-evolution.c (get_loop_exit_condition,
2765         get_exit_conditions_rec, number_of_iterations_in_loop,
2766         scev_initialize): Use single_exit information.
2767         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
2768         missing assumptions.
2769         (loop_niter_by_eval):  Return number of iterations as unsigned
2770         int.
2771         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
2772         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
2773         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
2774         New passes.
2775         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
2776         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
2777         the defining statement is ready.
2778         * tree-vectorizer.c (vect_create_iv_simple): Removed.
2779         (vect_create_index_for_array_ref, vect_transform_loop_bound):
2780         Use create_iv.
2781         (vect_transform_loop_bound): Use single_exit information.
2782         (vect_analyze_loop_form): Cleanup bogus tests.
2783         (vectorize_loops): Do not call flow_loop_scan.
2784         * tree.h (may_negate_without_overflow_p): Declare.
2785         * fold-const.c (may_negate_without_overflow_p): Split out from ...
2786         (negate_expr_p): ... this function.
2787         (tree_expr_nonzero_p): Handle overflowed constants correctly.
2788         * doc/invoke.texi (-fivcanon): Document.
2789         * doc/passes.texi: Document canonical induction variable creation.
2790
2791 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2792
2793         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
2794         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
2795         using the mode of the operand to decide between them.
2796         * config/mips/mips.md (MOVECC): New mode macro.
2797         (ccreg): New mode attribute.
2798         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
2799         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
2800         (mov[sd]icc): Redefine using :GPR.
2801
2802 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2803
2804         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
2805         (mips_prefetch_cookie): New function.
2806         * config/mips/mips.c (print_operand_address): Fix handling of
2807         ADDRESS_CONST_INT.
2808         (mips_emit_prefetch): Delete.
2809         (mips_prefetch_cookie): New function.
2810         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
2811         mode of QImode for the address_operand.  Use mips_prefetch_cookie
2812         to calculate the first "pref" operand.
2813         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
2814         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
2815
2816 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
2817
2818         * arm.md: Include predicates.md.
2819         * predicates.md: New file.
2820         * arm.c (s_register_operand, arm_hard_register_operand)
2821         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
2822         (arm_immediate_operand, arm_neg_immediate_operand)
2823         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
2824         (arm_add_operand, arm_addimm_operand, arm_not_operand)
2825         (offsettable_memory_operand, alignable_memory_operand)
2826         (arm_reload_memory_operand, arm_float_rhs_operand)
2827         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
2828         (index_operand, shiftable_operator, logical_binary_operator)
2829         (shift_operator, equality_operator, arm_comparison_operator)
2830         (minmax_operator, cc_register, dominant_cc_register)
2831         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
2832         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
2833         (const_shift_operand, load_multiple_operation)
2834         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
2835         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
2836         (cirrus_register_operand, cirrus_fp_register)
2837         (cirrus_shift_const): Delete, replaced with equivalents in
2838         predicates.md.
2839         (shift_op): Handle ROTATE.
2840         * arm-protos.h: Delete declarations for above.
2841         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2842         * t-arm (MD_INCLUDES): Add predicates.md.
2843         (s-preds): Depends on MD_INCLUDES.
2844
2845 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2846
2847         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
2848         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
2849         patterns.  Redefine using :GPR.  Give the match_operator a mode.
2850         Use '%2' rather than '%z2' for operand 2.
2851
2852 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2853
2854         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
2855         attribute.
2856
2857 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2858
2859         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
2860         of internal patterns.
2861         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
2862         Redefine using :P.
2863         (tablejump): Use expand_binop to calculate address.  Adjust names
2864         of internal patterns.
2865         (tablejump[sd]i): Renamed from tablejump_internal[12].
2866         Redefine using :P.
2867         (tablejump_mips16[12]): Delete.
2868
2869 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2870
2871         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
2872         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
2873         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
2874         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
2875         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
2876
2877 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
2878
2879         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
2880         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
2881         using :GPR.
2882         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
2883         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
2884         (*branch_equality[sd]i_inverted): Likewise
2885         branch_equality{,_di}_inverted.
2886         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
2887         Redefine using :GPR.
2888
2889 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2890
2891         * rtl.def: Reorganize, placing all codes used only in machine
2892         descriptions at the end.
2893
2894         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
2895         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
2896         rtx_name, rtx_format arrays by direct reference to rtl.def,
2897         first undefining GENERATOR_FILE.  Define enum insn_note and
2898         note_insn_name array by direct reference to insn-notes.def.
2899         (adjust_field_rtx_def): Remove local definition of rtx_name.
2900         Use symbolic names for insn notes.
2901         * Makefile.in (gengtype.o): Update dependencies.
2902
2903 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
2904
2905         * basic-block.h (struct basic_block_def): Reorder fields to
2906         eliminate interior padding.  Remove 'partition' field.
2907         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
2908         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
2909         (BB_COPY_PARTITION): New macros.
2910         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
2911         Replace all references to the 'partition' field of a basic
2912         block with new macros.
2913
2914         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
2915         * final.c (final_scan_insn): Don't handle it.
2916         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
2917         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
2918         * sched-rgn.c (sched_is_disabled_for_current_region_p):
2919         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
2920
2921 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2922
2923         * c-decl.c (c_init_decl_processing): Adjust
2924         build_common_tree_nodes call.
2925         * expmed.c (const_mult_add_overflow_p): Use
2926         build_distinct_type_copy.
2927         * stor-layout.c (early_type_list): Remove.
2928         (layout_type): Don't append to early_type_list.
2929         (initialize_sizetypes): Add signed_p argument.
2930         (set_sizetype): Overwrite the stub type nodes directly.
2931         * tree.c (copy_node_stat): Clear a type's value cache here ...
2932         (build_distinct_type): ... not here.
2933         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
2934         * tree.h (initialize_sizetypes): Add signed_p argument.
2935         (build_common_tree_nodes): Likewise.
2936
2937         * objc/objc-act.c (get_static_reference): Use
2938         build_variant_type_copy.
2939         (get_protocol_reference): Likewise.
2940         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
2941
2942 2004-08-24  Richard Henderson  <rth@redhat.com>
2943             Andrew Pinski  <apinski@apple.com>
2944
2945         * gimplify.c (gimplify_array_ref_to_plus): Delete.
2946         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
2947         for ARRAY_REF.
2948
2949         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
2950         ARRAY_REF also to get to the STRING_CST.
2951
2952 2004-08-24  Paul Brook  <paul@codesourcery.com>
2953
2954         * config/arm/arm.c (arm_override_options): Update error message.
2955         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
2956         TARGET_HARD_FLOAT_ABI.
2957         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
2958         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
2959
2960 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2961
2962         PR target/17093
2963         * config/m32r.md (movsi_sda): Add SI mode specification to
2964         UNSPEC.
2965
2966 2004-08-24  Nick Clifton  <nickc@redhat.com>
2967
2968         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
2969         of seth_add3_operand.
2970
2971 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
2972
2973         * Makefile.in (PROTO_OBJS): Add errors.o.
2974         * protoize.c (fancy_abort): Remove.
2975         * mips-tfile.c (fancy_abort): Add parameters.
2976
2977 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
2978
2979         * doc/trouble.texi (C++ misunderstandings): Fix example code.
2980
2981 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
2982
2983         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
2984         (host-default.o): Add dependency on HOOKS_H.
2985         * config/x-linux: Likewise.
2986         * config/x-solaris: Likewise.
2987         * config/i386/x-mingw32: Likewise.
2988         * config/rs6000/x-darwin: Likewise.
2989
2990 2004-08-23  James E Wilson  <wilson@specifixinc.com>
2991
2992         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
2993         DEF_REG_NOTE.
2994
2995 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
2996
2997         PR c/14492
2998         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
2999
3000 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
3001
3002         * cfg.c (check_bb_profile): Fix typos.
3003         * function.c (assign_parm_is_stack_parm): Likewise.
3004         * tree-nested.c: Likewise.
3005
3006 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
3007
3008         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
3009         Remove TYPECODE.
3010         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
3011
3012 2004-08-23  Eric Christopher  <echristo@redhat.com>
3013
3014         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
3015         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
3016         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
3017         * target.h: Ditto.
3018         * hooks.h: Include machmode.h.
3019         (hook_bool_mode_false): Declare.
3020         * hooks.c (hook_bool_mode_false): Define.
3021         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
3022         * stor-layout.c (layout_type): Ditto.
3023         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
3024         Define to target macro.
3025         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
3026         * config/arm/arm.c: Ditto. Use.
3027         * config/arm/arm.h: Ditto.
3028         * config/arm/arm-protos.h: Ditto.
3029         * config/i386/i386.c: Ditto.
3030         * config/i386/i386.h: Ditto.
3031         * config/rs6000/rs6000.c: Ditto.
3032         * config/rs6000/rs6000.h: Ditto.
3033         * config/sh/sh.c: Ditto.
3034         * config/sh/sh.h: Ditto.
3035         * config/sh/sh-protos.h: Ditto.
3036         * config/sh/sh.md: Use.
3037         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
3038         to TARGET_VECTOR_MODE_SUPPORTED_P.
3039
3040 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
3041
3042         * Makefile.in (BUILD_ERRORS): Set to build-errors.
3043         (errors.o): New target for host.
3044         (build-errors.o): New target for build.
3045         (genobjs): Replace errors.o with build-errors.
3046         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
3047         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
3048         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
3049         (fix-header.o): Add errors.h
3050         * collect2.c (fancy_abort): Add parameters.
3051         * collect2.h (fancy_abort): Don't declare.
3052         * errors.h (fancy_abort): Don't declare.
3053         * errors.c: Include either bconfig.h or config.h.
3054         (fancy_abort): Trim filename.
3055         * fix-header.c (v_fatal, fatal): Remove.
3056         (progname): Remove definition.
3057         (main): Set progname here.
3058         * gcc.c (fancy_abort): Add parameters.
3059         * gcc.h (fancy_abort): Remove declaration.
3060         * gcov.c (fancy_abort): Remove.
3061         * rtl.h (fancy_abort): Don't declare.
3062         (abort): Don't define.
3063         * tree.h (fancy_abort): Don't declare.
3064         (abort): Don't define.
3065         * system.h (fancy_abort): Declare.
3066         (abort): Define to fancy_abort.
3067         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
3068
3069         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
3070         (usize_type, ubitsizetype): Remove.
3071         * stor-layout.c (set_sizetype): Don't initialize usizetype,
3072         ubitsizetype.
3073         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
3074
3075         * tree.h (build_distinct_type_copy): New.
3076         (build_type_copy): ... here.  Rename to ...
3077         (build_variant_type_copy): ... here.
3078         * tree.c (build_qualified_type): Rename build_type_copy call.
3079         (build_distinct_type_copy): New, broken out of ...
3080         (build_type_copy): ... here.  Rename to ...
3081         (build_variant_type_copy): ... here.  Use
3082         build_distinct_type_copy.
3083         (build_common_tree_nodes_2): Rename build_type_copy call.
3084         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
3085         call.
3086         (handle_packed_attribute, handle_unused_attribute,
3087         handle_transparanet_union_attribute, handle_aligned_attribute,
3088         handle_deprecated_attribute): Likewise.
3089         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
3090         Likewise.
3091         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
3092         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
3093         build_distinct_type_copy.
3094
3095 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3096
3097         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
3098         attribute.
3099
3100 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3101
3102         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
3103         loads and stores.
3104         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
3105         formerly unnamed patterns.  Redefine using :P for the address.  Remove
3106         explicit length attributes.
3107
3108 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3109
3110         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
3111         New functions.
3112         (single_reachable_address): Use them.
3113         (schedule_sm): Add dump.
3114         (is_call_clobbered_ref): New function.
3115         (determine_lsm_reg): Check whether the reference is call clobbered.
3116         Only work for gimple_reg_type values.
3117
3118 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3119
3120         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
3121         $31 store insns.  Redefine using :GPR.
3122
3123 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3124
3125         * config/mips/mips.md (P): New mode macro.
3126         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
3127         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
3128         Add mode attributes.
3129
3130 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3131
3132         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
3133         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
3134         later constants to cover the gap.
3135         (load, store): New mode attributes.
3136         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
3137         Use new unspec constants.
3138
3139 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3140
3141         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
3142         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
3143         to use register_operand rather than uns_arith_operand as the predicate
3144         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
3145         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
3146         Redefine using :GPR.  Make same predicate change here.  Extend the
3147         commutativity of operands 1 and 2 from the SImode version to the
3148         DImode one.
3149         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
3150         but with no predicate changes.
3151         (*nor[sd]i3): Redefine using :GPR.
3152
3153 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3154
3155         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
3156         noreturn functions.
3157
3158 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3159
3160         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
3161         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
3162         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
3163         rather than "%z2" (with a fake const0_rtx for operand 2).
3164         (ffs[sd]i2): Redefine using :GPR.
3165         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
3166
3167 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3168
3169         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
3170
3171 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3172
3173         * config/mips/mips.md (any_extend): New code macro.
3174         (u, su): New code attributes.
3175         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
3176         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
3177         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
3178         (*{s,u}mul_acc_di): Redefine using any_extend.
3179         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
3180         to reflect real insn names.
3181         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
3182         with an any_extend template.
3183         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
3184         Add '*' to name.
3185
3186 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3187
3188         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
3189         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
3190         (mul[sd]i3_r4000): Redefine using :GPR.
3191         (mulsi3_mult3): Don't check TARGET_MAD separately.
3192         (muldi3_mult3): Moved after mulsi_mult3.
3193
3194 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3195
3196         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
3197         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
3198         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
3199         (TARGET_GAS, TARGET_MIPS_AS): Delete.
3200         (TARGET_GPWORD): Define to true for n32 on IRIX.
3201         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
3202         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
3203         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
3204         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
3205         (MDEBUG_ASM_SPEC): Delete, folding into...
3206         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
3207         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
3208         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
3209         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
3210         to define asm_abi_default_spec.
3211         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
3212         (TARGET_ASM_SELECT_SECTION): Delete.
3213         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
3214         for non-mips16 code, removing previous workaround for SGI assemblers.
3215         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
3216         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
3217         (override_options): Remove !TARGET_GAS and !have_named_sections code.
3218         (print_operand): Fold TARGET_GAS conditionals into asm strings.
3219         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
3220         ASM_STABS_OP and ASM_STABN_OP.
3221         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
3222         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
3223         (mips_output_function_prologue): Remove !TARGET_GAS code.
3224         (mips_select_rtx_section): Remove !have_named_sections code.
3225         (mips_select_section): Delete.
3226         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
3227         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
3228         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
3229         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
3230         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
3231         * config/mips/windiss.h (ASM_SPEC): Likewise.
3232
3233 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3234
3235         * read-rtl.c (map_value, mapping, macro_group): New structures.
3236         (BELLWETHER_CODE): New macro.
3237         (modes, codes, bellwether_codes): New variables.
3238         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
3239         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
3240         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
3241         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
3242         (add_map_value, initialize_macros): New functions.
3243         (def_hash, def_hash_eq_p): Generalize to anything that points to,
3244         or starts with, a char * field.
3245         (find_macro, read_mapping, check_code_macro): New functions.
3246         (read_rtx_1): New, split out from read_rtx.  Handle the new
3247         define_{mode,code}_{macro,attr} constructs.  Use find_macro
3248         to parse the name of a code or mode.  Use BELLWETHER_CODE to
3249         extract the format and to choose a suitable code for rtx_alloc.
3250         Modify recursive invocations to use read_rtx_1.
3251         (read_rtx): Call initialize_macros.  Apply code and mode macros
3252         to the rtx returned by read_rtx_1.  Cache everything after the
3253         first macro expansion for subsequent read_rtx calls.
3254         * doc/md.texi: Document new .md constructs.
3255         * config/mips/mips.md (GPR): New mode macro.
3256         (d, si8_di5): New mode attributes.
3257         (any_cond): New code macro.
3258         (add[sd]i3): Redefine using :GPR.
3259         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
3260         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
3261         previously unnamed MIPS16 patterns.
3262         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
3263         lines.  Don't match (plus (const_int 0) ...).
3264         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
3265         Use a define_split to generate the addition.
3266         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
3267         (subsi3_internal): Delete.
3268         (*subsi3_extended): Renamed from subsi3_internal_2.
3269         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
3270         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
3271         using an any_cond template.
3272
3273 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3274
3275         * read-rtl.c (read_rtx): Tidy use of format_ptr.
3276
3277 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
3278
3279         * read-rtl.c (string_obstack): New file-scope variable.
3280         (read_string, read_quoted_string, read_braced_string)
3281         (read_escape): Remove obstack parameter and use string_obstack instead.
3282         (read_rtx): Remove function-local rtl_obstack and initialize
3283         string_obstack instead.  Update call to read_string.
3284
3285 2004-08-22  Andrew Pinski  <apinski@apple.com>
3286
3287         PR c/15262
3288         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
3289         expression is not constant.
3290         (c_finish_return): Do not go through INDIRECT_REF when looking
3291         for the inner expression of an ADDR_EXPR for warning about.
3292
3293 2004-08-22  Richard Henderson  <rth@redhat.com>
3294
3295         PR 17075
3296         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
3297         create new blocks and fall through.
3298         (expand_gimple_basic_block): Update to match.
3299
3300 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
3301
3302         * reload.c (find_reloads_address): Make return value tri-state.
3303         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
3304         (find_reloads): Assume that reloaded addresses match 'o' or
3305         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
3306         returned 1 (not -1).  Omit optional reloads for address operands
3307         only if find_reloads_address returned 1 (not -1).
3308
3309         * config/s390/s390.c (legitimize_reload_address): New function.
3310         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
3311         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
3312         legitimize_reload_address.
3313
3314 2004-08-22  Richard Hendersion  <rth@redhat.com>
3315
3316         * tree.h (SAVE_EXPR_RESOLVED_P): New.
3317         * gimplify.c (gimplify_save_expr): Use it.
3318         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
3319         on the temporary variable.
3320
3321 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
3322
3323         * fold-const.c (rtl_expr_nonnegative_p): Delete.
3324         * tree.h (rtl_expr_nonnegative_p): Remove.
3325
3326 2004-08-22  Steven Bosscher  <stevenb@suse.de>
3327
3328         * config/i386/ppro.md (ppro_complex_insn): Add missing check
3329         for cpu==pentiumpro.
3330
3331         * combine.c (struct reg_stat): Fix comment typo.
3332
3333 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3334
3335         * c-tree.h (c_sizeof_nowarn): Remove.
3336
3337 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
3338
3339         * c-decl.c (set_array_declarator_type): Rename to
3340         set_array_declarator_inner.
3341         (build_c_parm, build_attrs_declarator, build_function_declarator):
3342         New functions.
3343         (make_pointer_declarator): Call build_attrs_declarator.
3344         * c-tree.h (set_array_declarator_type): Rename to
3345         set_array_declarator_inner.
3346         (build_c_parm, build_attrs_declarator, build_function_declarator):
3347         New prototypes.
3348         * c-parse.in (after_type_declarator,
3349         parm_declarator_starttypename, parm_declarator_nostarttypename,
3350         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
3351         firstparm): Use these functions
3352
3353 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
3354
3355         * c-decl.c (build_array_declarator, set_array_declarator_type,
3356         start_decl, grokdeclarator, grokparms): Change boolean parameters
3357         to type bool.
3358         * c-tree.h (build_array_declarator, set_array_declarator_type,
3359         start_decl): Update prototypes.
3360         * c-decl.c, c-parse.in: All callers changed.
3361
3362 2004-08-21  Mike Stump  <mrs@apple.com>
3363
3364         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
3365         (darwin_fix_and_continue): Likewise.
3366         (darwin_fix_and_continue_switch): Likewise.
3367         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
3368         (darwin_fix_and_continue): Likewise.
3369         (darwin_fix_and_continue_switch): Likewise.
3370
3371 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
3372
3373         PR  c++/16030
3374         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
3375         Remove, merging into ...
3376         (gen_stdcall_or_fastcall_suffix): New function, returning tree
3377         rather than const char*, and accepting additional parameter.
3378         Don't add suffix to '*'-prefixed symbols or variadic functions.
3379         (i386_pe_encode_section_info): Adjust for call to new function.
3380         Call change_decl_assembler_name.
3381
3382 2004-08-20  Mike Stump  <mrs@apple.com>
3383
3384         * config/darwin.c (machopic_indirect_data_reference): Mark
3385         stubs as defined.
3386         * config/386/386.c (darwin_local_data_pic): Add.
3387         (legitimate_constant_p): Reorder so that PLUS handling runs
3388         before darwin_local_data_pic to match the ordering in
3389         legitimate_pic_address_disp_p and so that MINUS runs after
3390         darwin_local_data_pic as otherwise the darwin_local_data_pic
3391         logic can be skipped, which would be very bad.
3392         (legitimate_pic_address_disp_p): Move from from here to
3393         darwin_local_data_pic so it can be reused.
3394
3395 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
3396
3397         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
3398         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
3399         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
3400         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
3401         (RS6000_ABI_NAME): Define as "linux".
3402         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
3403         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
3404         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
3405         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
3406         * config/rs6000/rs6000.c (dot_symbols): New global var.
3407         (rs6000_output_function_entry): New function, modified for
3408         !DOT_SYMBOLS..
3409         (print_operand <case 'z'>): ..extracted from here.
3410         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
3411         (rs6000_output_function_epilogue): Likewise.
3412         (rs6000_elf_declare_function_name): Likewise.
3413         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
3414         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
3415         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
3416         * configure: Regenerate.
3417         * config.in: Regenerate.
3418
3419 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3420
3421         * reload.c (find_reloads_address): Fix thinko in previous change.
3422
3423         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
3424         a CONST_INT.
3425
3426 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
3427
3428         PR rtl-optimization/17099
3429         * combine.c (force_to_mode): Check if inner_mask has any bits set
3430         outside of GET_MODE (x) instead of op_mode.
3431
3432 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
3433
3434         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
3435         fragment.
3436         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
3437         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
3438         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
3439         architecture.
3440         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
3441         configurations.
3442         * config/arm/t-symbian: New file.
3443
3444 2004-08-20  Andrew Pinski  <apinski@apple.com>
3445
3446         * regrename.c (kill_value_regno): ANSIfy.
3447
3448 2004-08-20  Dale Johannesen  <dalej@apple.com>
3449
3450         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
3451
3452 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
3453
3454         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
3455         (kill_value_regno): New function, derived from kill_value.
3456         (kill_value): Update.
3457         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
3458
3459 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
3460
3461         Fix PR tree-optimization/17111
3462         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
3463         of non-value_handles.
3464         (bitmap_set_contains): All constants are in every set.
3465
3466 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3467
3468         * fold-const.c (round_up, round_down): Use build_int_cst.
3469         Optimize common case.
3470
3471 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
3472             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3473
3474         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
3475         one_only_data_section): Rename to som_readonly_data_section,
3476         som_one_only_readonly_data_section and som_one_only_data_section.
3477         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
3478         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
3479         conditional defines.
3480         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
3481         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
3482         string values.
3483         (pa_select_section): Use renamed section functions.
3484         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3485         SOM_READONLY_DATA_SECTION_FUNCTION,
3486         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
3487         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
3488         Define here ...
3489         * config/pa/som.h: ... not here.
3490         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
3491         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
3492         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
3493         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
3494         (READONLY_DATA_SECTION): Use som_readonly_data_section.
3495
3496 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
3497
3498         * fold-const.c (int_const_binop): Don't generate non-overflowing
3499         size-types specially.
3500         (fold_convert_const): Likewise.
3501
3502         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
3503         clear cache on copied sizetype.
3504
3505 2004-08-20  Ben Elliston  <bje@au.ibm.com>
3506
3507         * configure.ac: Don't escape apostrophe in --enable-coverage help.
3508         * configure: Regenerate.
3509
3510 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
3511
3512         PR 5620
3513         * gcc.c (struct stat input_stat): Don't define if
3514         HOST_LACKS_INODE_NUMBERS
3515         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
3516         than stat to determine if temp file is same as input file.
3517         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
3518         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
3519
3520 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
3521
3522         * configure.ac (mips*-*-*): Print an error if not using GAS.
3523         * configure: Regenerated.
3524         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
3525         comments about buggy MIPSpro assemblers.
3526         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
3527         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
3528         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
3529         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
3530         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
3531         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
3532         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
3533         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
3534         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
3535         of more general IRIX 6 definitions.
3536         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
3537         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
3538         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
3539         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
3540         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3541         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
3542         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
3543         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
3544         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
3545         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
3546         (LINK_SPEC): Move most of definition to iris.h.
3547         (SUBTARGET_LINK_SPEC): New macro.
3548         (IRIX_STARTFILE_SPEC): Fold into...
3549         (STARTFILE_SPEC): ...here.
3550         (IRIX_ENDFILE_SPEC): Fold into...
3551         (ENDFILE_SPEC): ...here.
3552         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
3553         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
3554         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
3555         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
3556         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
3557         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
3558         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
3559         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
3560         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
3561         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
3562         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
3563         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
3564         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
3565         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
3566         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
3567         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
3568         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
3569         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
3570         (TARGET_IRIX6): Define to 1.
3571         (DRIVER_SELF_SPECS): Define.
3572         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
3573         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
3574         (SUBTARGET_LINK_SPEC): New macro.
3575         (IRIX_STARTFILE_SPEC): Fold into...
3576         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
3577         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
3578         (LIB_SPEC, LIBGCC_SPEC): Use them.
3579         (LIB_SPEC): Remove !mabi=* case.
3580         (IRIX_ENDFILE_SPEC): Fold into...
3581         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
3582         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
3583         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
3584         (TARGET_IRIX6): New macro.
3585         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
3586         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
3587         (LABEL_AFTER_LOC): Delete.
3588         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
3589         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
3590         (mips_build_builtin_va_list): Check TARGET_IRIX6.
3591         (override_options): Remove TARGET_SGI_O32_AS-related code.
3592         (irix_output_external_libcall): Make static.
3593         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
3594         LABEL_AFTER_LOC.
3595         (mips_file_start): Tidy guard for ABI sections.  Remove use of
3596         ABICALLS_ASM_OP; use .abicalls instead.
3597         (mips_output_aligned_decl_common, mips_declare_object_name)
3598         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
3599         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
3600         .globl foo .text directives.
3601         (irix_asm_named_section_1, irix_asm_named_section)
3602         (irix_section_align_entry, irix_section_align_htab)
3603         (irix_orig_asm_out_file, irix_section_align_entry_eq)
3604         (irix_section_align_entry_hash, irix_asm_output_align)
3605         (irix_file_start, irix_section_align_1, copy_file_data)
3606         (irix_file_end, irix_section_type_flags): Delete.
3607         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
3608         Use standard section syntax.  Remove protective "jr $31".
3609         (__gcc_fini): Likewise .gcc_fini.
3610         * config/mips/irix-crtn.asm: Adjust sections accordingly.
3611         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
3612         iris5gas.h.
3613         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
3614         from t-irix-gld.
3615         (EXTRA_MULTILIB_PARTS): Define.
3616         * config/mips/t-iris6: Remove bogus comment.
3617         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
3618         * config/mips/iris5gas.h, config/mips/iris5gld.h,
3619         config/mips/iris6gas.h, config/mips/iris6gld.h,
3620         config/mips/t-iris5-as, config/mips/t-iris5-gas
3621         config/mips/t-irix-gld: Delete.
3622         * config/mips/iris.h: New file.
3623         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
3624
3625 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
3626
3627         * postreload.c (reload_cse_move2add): Allow any condjump, but check
3628         that the implicit set isn't clobbered in the jump insn.
3629
3630 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3631
3632         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
3633         * optabs.c (init_optabs): Don't check it.
3634         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
3635         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
3636
3637 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
3638
3639         * config/s390/s390.md (s390_warn_framesize_string)
3640         (s390_warn_dynamic_string, s390_stack_size_string)
3641         (s390_stack_guard_string): New global string variables.
3642         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
3643         (s390_stack_guard): New global variables.
3644         (override_options): Added checks for the new options.
3645         (s390_emit_prologue): Emit stack check and trap code and perform
3646         compile time stack size checking.
3647
3648         * config/s390/s390.h (TARGET_OPTIONS): Added new options
3649         "warn-framesize", "warn-dynamicstack", "stack-size" and
3650         "stack-guard".
3651
3652         * doc/invoke.texi: Added documentation for the new options.
3653
3654 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3655
3656         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
3657         to eliminate warning.
3658         (linear_search_fdes): Declare p as unsigned.
3659         (binary_search_mixed_encoding_fdes): Likewise.
3660         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
3661         to eliminate warning.
3662         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
3663         type cast.
3664
3665 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
3666
3667         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
3668         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
3669         instead of one.  Check for strictly legitimate address.
3670         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
3671         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
3672
3673 2004-08-19  Eric Christopher  <echristo@redhat.com>
3674
3675         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
3676         * langhooks.h (unsave_expr_now): Ditto.
3677         * tree.h (unsave_expr_1): Remove prototype.
3678         (lhd_unsave_expr_now): Rename to unsave_expr_now.
3679         * tree-inline.c (unsave_expr_1): Move here
3680         from tree.c. Make static.
3681         (unsave_expr_now): Rename from lhd_unsave_expr_now.
3682         * tree-sra.c: Fix up for rename.
3683         * tree-ssa-copy.c: Ditto.
3684         * tree-eh.c: Ditto.
3685         * tree.c (unsave_expr_1): Move to tree-inline.c.
3686
3687 2004-08-19  Caroline Tice  <ctice@apple.com>
3688
3689         * config/i386/cygming.h (switch_to_section):  Fix typo (change
3690         in_unlikely_text_section to in_unlikely_executed_text).
3691
3692 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
3693
3694         * vec.h (VEC_lower_bound): New macro.
3695
3696 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
3697
3698         PR target/16446
3699         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
3700         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
3701         treat each ABI separately.  Deal with n32/n64 complex float arguments.
3702         (function_arg): Add associated complex handling here.
3703
3704 2004-08-19  Richard Henderson  <rth@redhat.com>
3705
3706         * config/arm/arm.c (arm_gen_load_multiple): Use
3707         adjust_automodify_address.  Take base memory and offset instead
3708         of unchanging/struct/scalar bits.
3709         (arm_gen_store_multiple): Likewise.
3710         (arm_gen_movmemqi): Use adjust_automodify_address.
3711         * config/arm/arm-protos.h: Update decls.
3712         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
3713         (store_multiple): Similarly.
3714
3715 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
3716
3717         * regclass.c (globalize_reg): Update call_really_used_regs.
3718
3719 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
3720
3721         * doc/invoke.texi (integer-share-limit): Document.
3722
3723         * tree.h (TYPE_CACHED_VALUES_P): New.
3724         (TYPE_CACHED_VALUES): New.
3725         (TYPE_ORIG_SIZE_TYPE): Adjust.
3726         * tree.def (INTEGER_CST): Update documentation.
3727         * tree.c: Inlcude params.h.
3728         (build_int_cst): Cache small values.
3729         (build_type_copy): Do not copy the value cache.
3730         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
3731         unneeded zeroing.
3732         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
3733         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
3734         cache.
3735         * fold-const.c (force_fit_type): Copy value when setting
3736         overflows.
3737         (int_const_binop): Likewise.
3738         * stor-layout.c: Include params.h
3739         (set_sizetype): Create values cache.
3740         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
3741         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
3742         * params.h (INTEGER_SHARE_LIMIT): New.
3743         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
3744
3745 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
3746
3747         * gimplify.c (gimplify_minimax_expr): Remove.
3748         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
3749
3750 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
3751
3752         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3753         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
3754
3755 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
3756
3757         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
3758
3759 2004-08-18  Andrew Pinski  <apinski@apple.com>
3760
3761         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
3762
3763 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
3764
3765         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
3766         (__aeabi_ul2f): Likewise.
3767
3768 2004-08-18  Richard Henderson  <rth@redhat.com>
3769
3770         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
3771         move to rtl completely.
3772         (struct meminsnbuf, xtensa_emit_block_move): Remove.
3773         (xtensa_find_mode_for_size): Remove.
3774         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
3775         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
3776
3777 2004-08-18  Richard Henderson  <rth@redhat.com>
3778
3779         * config/mcore/mcore.c (mode_from_align): Remove DImode.
3780         (block_move_sequence): Rewrite to use adjust_address.
3781         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
3782         Return boolean indicating success/failure.
3783         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
3784         * config/mcore/mcore.md (movmemsi): Update to match.
3785
3786 2004-08-18  Mike Stump  <mrs@apple.com>
3787
3788         * doc/invoke.texi (-mfix-and-continue): Add support for
3789         fast turn around debugging.
3790         (-ffix-and-continue): Likewise.
3791         (-mindirect-data): Likewise.
3792         (-findirect-data): Likewise.
3793         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
3794         (indirect_data): Likewise.
3795         (machopic_data_defined_p): Likewise.
3796         (machopic_output_indirection): Likewise.
3797         (darwin_encode_section_info): Likewise.
3798         (darwin_fix_and_continue): Likewise.
3799         (darwin_fix_and_continue_switch): Likewise.
3800         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
3801         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
3802         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
3803         (SUBTARGET_OPTIONS): Likewise.
3804         (darwin_fix_and_continue): Likewise.
3805         (darwin_fix_and_continue_switch): Likewise.
3806         (TARGET_FIX_AND_CONTINUE): Likewise.
3807         * config/rs6000.c (rs6000_emit_prologue): Likewise.
3808
3809 2004-08-19  Steven Bosscher  <stevenb@suse.de>
3810
3811         * basic-block.h (struct edge_def): Remove crossing_edge.
3812         (EDGE_CROSSING): New define.
3813         (EDGE_ALL_FLAGS): Update.
3814         * bb-reorder.c (find_traces_1_round, better_edge_p,
3815         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
3816         find_jump_block, fix_crossing_conditional_branches,
3817         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
3818         Replace all occurences of crossing_edge with an edge flag check
3819         or set/reset.
3820         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
3821         try_crossjump_bb): Likewise.
3822         * cfglayout.c (fixup_reorder_chain): Likewise.
3823         * cfgrtl.c (force_nonfallthru_and_redirect,
3824         commit_one_edge_insertion): Likewise.
3825
3826         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
3827         * tree-flow.h (compute_dominance_frontiers): Move prototype...
3828         * basic-block.h:  ...here.
3829         * tree-cfg.c (compute_dominance_frontiers_1,
3830         compute_dominance_frontiers): Move from here...
3831         * cfganal.c: ...to here.  Include timevar.h.
3832
3833 2004-08-18  James E Wilson  <wilson@specifixinc.com>
3834
3835         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
3836         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
3837
3838         * config/mips/mips.md (type): Add frdiv.
3839         (divsf3+1, divsf3+2): Change type to frdiv.
3840         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
3841         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
3842
3843         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
3844         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
3845         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
3846         * config/mips/5000.md (r5k_fdiv_single): Likewise.
3847         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
3848         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
3849         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
3850         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
3851         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
3852         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
3853         Likewise.
3854         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
3855
3856 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
3857
3858         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
3859         get regression tester working again.
3860
3861 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
3862
3863         * insn-notes.def, reg-notes.def: New files.
3864         * rtl.h: Use them to define enum insn_note and enum reg_note.
3865         * rtl.c: Use them to define note_insn_name and reg_note_name.
3866         * Makefile.in (RTL_BASE_H): Update.
3867
3868         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
3869         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
3870
3871 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
3872
3873         * arm.c (arm_size_rtx_costs): New function.
3874         (arm_override_options): Use it if optimizing for space.
3875
3876 2004-08-18  Richard Henderson  <rth@redhat.com>
3877
3878         * emit-rtl.c (gen_const_mem): New.
3879         * rtl.h (gen_const_mem): Declare.
3880         * expr.c (do_tablejump): Use it.
3881         * varasm.c (force_const_mem): Likewise.
3882         * config/darwin.c (machopic_indirect_data_reference): Likewise.
3883         (machopic_legitimize_pic_address): Likewise.
3884         * config/arm/arm.c (legitimize_pic_address): Likewise.
3885         * config/i386/i386.c (legitimize_pic_address): Likewise.
3886         (legitimize_tls_address): Likewise.
3887         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
3888         * config/ia64/ia64.md (load_fptr): Likewise.
3889         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
3890         * config/pa/pa.c (legitimize_pic_address): Likewise.
3891         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
3892         (rs6000_emit_move): Likewise.
3893         * config/s390/s390.c (legitimize_pic_address): Likewise.
3894         (legitimize_tls_address): Likewise.
3895         * config/s390/s390.md (casesi): Likewise.
3896         * config/sh/sh.c (sh_reorg): Likewise.
3897         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
3898         * config/v850/v850.md (casesi): Likewise.
3899
3900         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
3901         * config/sh/sh.c (prepare_move_operands): Remove incorrect
3902         use of MEM_READONLY_P.
3903
3904 2004-08-18  Steven Bosscher  <stevenb@suse.de>
3905
3906         * Makefile.in (OBJS-common): Add postreload-gcse.c.
3907         Add new postreload-gcse.o.
3908         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
3909         (lookup_as_function, insert, rehash_using_reg, use_related_value,
3910         equiv_constant): Use SAFE_HASH instead of safe_hash.
3911         (exp_equiv_p): Export.  Add for_gcse argument when comparing
3912         for GCSE.
3913         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
3914         find_comparison_args, fold_rtx, cse_insn): Update callers.
3915         (hash_rtx): New function derived from old canon_hash and bits
3916         from gcse.c hash_expr_1.
3917         (canon_hash_string): Rename to hash_rtx_string.
3918         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
3919         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
3920         (cselib_lookup): Update this caller.
3921         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
3922         Make static.
3923         (hash_expr): Call hash_rtx.
3924         (ldst_entry): Likewise.
3925         (expr_equiv_p): Call exp_equiv_p.
3926         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
3927         reg_used_on_edge, reg_set_between_after_reload_p,
3928         reg_used_between_after_reload_p, get_avail_load_store_reg,
3929         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
3930         get_bb_avail_insn, hash_scan_set_after_reload,
3931         compute_hash_table_after_reload,
3932         eliminate_partially_redundant_loads, gcse_after_reload,
3933         get_bb_avail_insn, gcse_after_reload_main): Remove.
3934         * postreload-gcse.c: New file, reincarnating most of the above.
3935         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
3936         (gcse_after_reload_main): Update prototype.
3937         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
3938         * passes.c (rest_of_handle_gcse2): Use it.
3939
3940 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3941
3942         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
3943         (pass_loop_done): Likewise.
3944
3945 2004-08-18  Andrew Pinski  <apinski@apple.com>
3946
3947         * config/rs6000/darwin.md: Delete the altivec patterns which are
3948         handled differently now.
3949         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
3950         (macho_correct_pic_di): Likewise.
3951         (call_indirect_nonlocal_darwin64): Likewise.
3952         Delete the save world/saveFP/saveVec patterns.
3953
3954         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
3955         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
3956         * config/rs6000/rs6000.md: Include darwin.md.
3957         (builtin_setjmp_receiver): Add DImode case.
3958         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
3959         Darwin bits.
3960
3961 2004-08-18  Matt Austern  <austern@apple.com>
3962
3963         Dead code stripping
3964         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
3965         * darwin.c (darwin_file_end): Mark file as potentially strippable.
3966
3967 2004-08-18  Richard Henderson  <rth@redhat.com>
3968
3969         * alias.c (readonly_fields_p): Remove.
3970         (objects_must_conflict_p): Don't call it.
3971         * tree.h (readonly_fields_p): Remove.
3972         * langhooks.h (struct lang_hooks): Remove honor_readonly.
3973         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
3974
3975 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
3976
3977         * tree-dfa.c (add_referenced_var): Only global variables are
3978         call-clobbered.
3979         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
3980         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
3981         all pointers dereferenced if the statement dereferences them.
3982         (create_name_tags): Do not create memory tags for pointers
3983         that have PT_ANYTHING set.
3984         Also check if PT_VARS is not empty before creating a name tag.
3985         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
3986         variables that share the same alias set with a pointer that
3987         may point anywhere.
3988         (add_may_alias): Add FIXME comment to remove clobbering
3989         aliased variables and tags.
3990         (replace_may_alias): Likewise.
3991         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
3992         (merge_pointed_to_info): If the original variable has not
3993         points-to information, call set_pt_anything.
3994         (add_pointed_to_var): Do not prevent adding a pointed-to
3995         variable if the pointers is PT_ANYTHING.
3996         If the variable is a global, set PT_GLOBAL_MEM.
3997         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
3998         pointer type only come in PTR+OFFSET flavours.
3999         Always call merge_pointed_to_info on PHI arguments that are
4000         SSA_NAMEs.
4001         (get_nmt_for): Mark call-clobbered tags whose pointer points
4002         to global memory.
4003         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
4004         values.
4005         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
4006         FLAGS.
4007         (add_stmt_operand): Abort if the caller tried to add a killing
4008         definition for a memory tag.
4009         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
4010         unnecessary checks.
4011
4012 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
4013
4014         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
4015         from call_used_regs.  Update call_really_used_regs.
4016         (CALL_REALLY_USED_REGISTERS): Define.
4017         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
4018         Replace call_used_regs with call_really_used_regs.
4019         (calc_live_regs, sh_media_register_for_return): Likewise.
4020         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
4021         * sh.md (return_media): Likewise.
4022
4023 2004-08-18  Andrew Pinski  <apinski@apple.com>
4024
4025         * config/darwin.c (machopic_legitimize_pic_address): Only set
4026         MEM_READONLY_P in the non TARGET_TOC case.
4027
4028 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
4029
4030         * rtl.def (NIL): Delete.
4031         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
4032         Tighten the syntax a little.
4033
4034         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
4035         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
4036         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
4037         * config/i386/predicates.md, config/m32r/m32r.h
4038         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
4039         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
4040         * config/sparc/sparc.h, doc/tm.texi:
4041         Replace all occurrences of NIL with UNKNOWN.
4042
4043 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
4044
4045         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
4046         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
4047         sequence inline.  Move drop_through_label code into this
4048         block, being the only place it is used.  Adjust comments.
4049
4050 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
4051
4052         * config/rs6000/altivec.md: Add new patterns for calls to
4053         save_world/rest_world functions.
4054
4055         * config/rs6000/rs6000-protos.h: (save_world_operation,
4056         restore_world_operation) new declarations.
4057
4058         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
4059         field added.
4060         (rs6000_stack_info): Set world_save_p field.
4061         (save_world_operation): New function.
4062         (restore_world_operation): New function.
4063         (compute_save_world_info): New function.
4064         (rs6000_stack_info): Call compute_save_world_info.
4065         (rs6000_emit_prologue): Check for world_save_p and generate
4066         pattern to call save_world for saving all non-volatile and
4067         special registers.
4068         (rs6000_emit_epilogue): Check for world_save_p and generate
4069         pattern to call rest_world to restore saved registers.
4070
4071         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
4072         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
4073         (rs6000_reg_names): New entries added for save_world_operation and
4074         restore_world_operation.
4075
4076 2004-08-18  Caroline Tice  <ctice@apple.com>
4077
4078         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
4079         "-freorder-blocks-and-partition" to the flags used in second
4080         stage of profiledbootstrap.
4081         * bb-reorder.c (push_to_next_round_p): Add new variable,
4082         next_round_is_last; set and use variable to make sure, when
4083         partitioning, that the last trace construction round consists
4084         of all (and only) cold basic blocks.
4085         (rotate_loop): Don't copy blocks that end in a section
4086         crossing jump.
4087         (copy_bb): Correctly initialize "partition" of duplicated bb.
4088         (add_unlikely_executed_notes): Add a comment.
4089         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
4090         to make sure, if function contains hot blocks, that the
4091         successors of ENTRY_BLOCK_PTR are hot; also, only look for
4092         crossing edges if the architecture supports named sections.
4093         (mark_bb_for_unlikely_executed_section): Modify to always
4094         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
4095         the basic block note insn.
4096         (fix_crossing_unconditional_branches): Remove extra space.
4097         (fix_edges_for_rarely_executed_code): Modify to only do
4098         partitioning work if the architecture supports named sections.
4099         (reorder_basic_blocks): Modify to only add
4100         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
4101         supports named sections.
4102         * c-common.c (handle_section_attribute): Initialize new global
4103         variable, user_defined_section_attribute, to true if user has
4104         specified one.
4105         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
4106         forward edges that cross section boundaries.
4107         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
4108         partitioning information if the architecture supports named
4109         sections.
4110         * cfgrtl.c (target.h): Add statement to include this.
4111         (rtl_split_block): Make sure newly created bb gets correct
4112         partition.
4113         (try_redirect_by_replacing_jump): Make sure redirection isn't
4114         attempting to cross section boundaries.
4115         (force_nonfallthru_and_redirect): Only do partition fix up if
4116         architecture supports named sections.
4117         (rtl_split_edge): Make sure newly created bb ends up in
4118         correct partition.
4119         (commit_one_edge_insertion): Remove code that incorrectly
4120         updated basic block partition; Make sure partition fix up only
4121         happens if architecture supports named sections and it's not
4122         already done.
4123         (rtl_verify_flow_info_1): Fix if-condition on test/error
4124         condition that fallthru edges are not allowed to cross section
4125         boundaries.
4126         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
4127         * final.c (final_scan_insn): Remove redundant test from if-statement;
4128         change calls to text_section into calls to function_section; add code
4129         to only to partitioning fix up if architecture supports named
4130         sections.
4131         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
4132         partition.
4133         (if_convert): Add targetm.have_named_sections to test.
4134         * output.h (unlikely_section_label): Extern declaration for new global
4135         variable.
4136         (unlikely_text_section_name): Likewise.
4137         * opts.c (decode_options): If both partitioning and DWARF debugging
4138         are turned on, issue a warning that this doesn't work, and change
4139         partitiong to basic block reordering (without hot/cold partitions).
4140         * passes.c (rest_of_handle_final): Re-set new global variable,
4141         user_defined_section_attribute, to false.
4142         (rest_of_compilation): Change options for calling partitioning
4143         function: Don't call if the user defined the section attribute, and
4144         don't call if DECL_ONE_ONLY is true for the current function.
4145         * predict.c (choose_function_section): Return immediately if we
4146         are doing hot/cold partitioning (i.e. let the basic block partitioning
4147         determine where the function belongs).
4148         * reg-stack.c (emit_swap_insn): Add condition to step over
4149         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
4150         * toplev.c (user_defined_section_attribute): New global variable.
4151         * toplev.h (user_defined_section_attribute): Extern declaration
4152         for new global variable.
4153         * varasm.c (unlikely_section_label): New global variable.
4154         (unlikely_text_section_name): New global variable.
4155         (unlikely_text_section): Add code to initialize
4156         unlikely_text_section_name if necessary; modify to use
4157         unlikely_text_section_name and unlikely_section_label; also to use
4158         named_section properly.
4159         (in_unlikely_text_section):  Modify to work correctly with
4160         named_section and to use unlikely_text_section_name.
4161         (named_section):  Add code to work properly with cold section.
4162         (function_section): Clean up if-statement.
4163         * config/darwin.c (darwin_asm_named_section): Return to original
4164         code, removing use of SECTION_FORMAT_STRING.
4165         * config/arm/pe.h (switch_to_section):  Add case for
4166         in_unlikely_executed_text to switch statement.
4167         * config/i386/cygming.h (switch_to_section): Likewise.
4168         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
4169         (SECTION_FORMAT_STRING): Likewise.
4170         * config/mcore/mcore.h (switch_to_section): Likewise.
4171         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
4172         (SECTION_FORMAT_STRING): Remove.
4173
4174 2004-08-18  Roger Sayle  <roger@eyesopen.com>
4175
4176         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
4177         -ffixed-reg safe, by preserving the meanings of zero and one.
4178         (CALL_USED_REGISTERS): Likewise.
4179         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
4180
4181 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4182
4183         * config/sh/sh.c (split_branches): Check the result of
4184         next_active_insn.
4185         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
4186         Call rtl_register_cfg_hooks.
4187
4188 2004-08-18  Richard Henderson  <rth@redhat.com>
4189
4190         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
4191         * alias.c (true_dependence): Update to match new semantics.
4192         (canon_true_dependence, write_dependence_p): Likewise.
4193         (anti_dependence, output_dependence): Update write_dependence_p args.
4194         (unchanging_anti_dependence): Remove.
4195         * calls.c (purge_mem_unchanging_flag): Remove.
4196         (fixup_tail_calls): Don't call it.
4197         (expand_call): Don't add unchanging memory to function usage.
4198         * expr.c (emit_block_move_via_libcall): Likewise.
4199         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
4200         (get_subtarget): Don't use RTX_UNCHANGING_P.
4201         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
4202         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
4203         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
4204         * cse.c (insert): Don't use RTX_UNCHANGING_P.
4205         (cse_insn, canon_hash): Use MEM_READONLY_P.
4206         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
4207         instead of RTX_UNCHANGING_P.
4208         * explow.c (maybe_set_unchanging): Remove.
4209         * expr.h (maybe_set_unchanging): Remove.
4210         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
4211         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
4212         (assign_parm_setup_reg, expand_function_start): Likewise.
4213         * integrate.c (copy_rtx_and_substitute): Likewise.
4214         * ra-rewrite.c (emit_colors): Likewise.
4215         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
4216         (fixup_match_1): Likewise.
4217         * reload1.c (reload, alter_reg): Likewise.
4218         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
4219         not RTX_UNCHANGING_P.
4220         (equiv_init_varies_p): Likewise.
4221         * loop-invariant.c (check_maybe_invariant): Likewise.
4222         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
4223         * loop.c (note_addr_stored): Likewise.
4224         (prescan_loop): Likewise. Don't check function usage for clobbered
4225         unchanging memory.
4226         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
4227         not RTX_UNCHANGING_P.
4228         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
4229         * varasm.c (force_const_mem): Likewise.
4230         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
4231         * web.c (entry_register): Likewise.
4232         * tree-gimple.h (get_base_address): Move decl ...
4233         * tree.h: ... here.
4234         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
4235
4236         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
4237         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
4238         (alpha_set_memflags): Update to match.
4239
4240         * config/darwin.c (machopic_indirect_data_reference): Set
4241         MEM_READONLY_P instead of RTX_UNCHANGING_P.
4242         (machopic_indirect_call_target): Likewise.
4243         (machopic_legitimize_pic_address): Likewise.
4244         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
4245         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
4246         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
4247         * config/frv/frv.md (symGOT2reg): Likewise.
4248         * config/i386/i386.c (legitimize_pic_address,
4249         legitimize_tls_address, ix86_split_to_parts): Likewise.
4250         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
4251         * config/ia64/ia64.md (load_fptr): Likewise.
4252         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
4253         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
4254         * config/mcore/mcore.c (block_move_sequence): Likewise.
4255         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
4256         * config/pa/pa.c (legitimize_pic_address): Likewise.
4257         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
4258         (rs6000_emit_move): Likewise.
4259         * config/s390/s390.c (legitimize_pic_address): Likewise.
4260         (legitimize_tls_address): Likewise.
4261         * config/s390/s390.md (casesi): Likewise.
4262         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
4263         * config/sh/sh.md (symGOT2reg): Likewise.
4264         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
4265         * config/v850/v850.md (casesi): Likewise.
4266
4267         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
4268         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
4269         * config/mips/mips.c (mips_restore_gp): Likewise.
4270         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
4271         * config/sh/sh.c (sh_reorg): Likewise.
4272
4273 2004-08-18  Richard Henderson  <rth@redhat.com>
4274
4275         * tree.h (struct tree_decl): Add gimple_formal_temp.
4276         (DECL_GIMPLE_FORMAL_TEMP_P): New.
4277         * gimplify.c (pop_gimplify_context): Clear it.
4278         (lookup_tmp_var): Set it, if is_formal.
4279         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
4280         Use is_gimple_val for VECTOR.  Simplify return value.
4281         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
4282         (gimplify_expr): Likewise.
4283         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
4284         is_gimple_tmp_rhs for clarity.  Update all callers.
4285         (is_gimple_reg_rhs): Simplify logic.
4286         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
4287         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
4288         (is_gimple_formal_tmp_reg): Similarly.
4289         * tree-gimple.h: Update decls.
4290         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
4291         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
4292         * tree-ssa-live.c (var_union, type_var_init): Likewise.
4293
4294 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
4295
4296         * c4x.c (legitimize_operands): Remove calls to
4297         preserve_subexpressions_p.
4298
4299 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
4300
4301         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
4302         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
4303
4304 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
4305
4306         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
4307         Objective-C++ extensions.
4308         * gengtype.c (get_file_basename): Match entire subdirectory name
4309         ('cp', 'objc', 'objcp') rather than just its suffix.
4310         (get_base_file_bitmap): Allow for files to belong to more than one
4311         language.
4312         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
4313         used by more than one front-end.
4314
4315 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
4316
4317         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
4318         avoid use of preserve_subexpressions_p.
4319
4320 2004-08-17  Richard Henderson  <rth@redhat.com>
4321
4322         PR 17051
4323         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
4324
4325 2004-08-17  DJ Delorie  <dj@redhat.com>
4326
4327         * doc/extend.texi: Document new xstormy16 attribute.
4328
4329         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
4330         (xstormy16_splittable_below100_or_register): New.
4331         (combine_bnp): New.
4332         (xstormy16_reorg): New.
4333         (TARGET_MACHINE_DEPENDENT_REORG): Define.
4334
4335         * config/stormy16/stormy16.md (movqi_internal): Make name public.
4336         (movhi_internal): Likewise.
4337         (cbhranchhi): Likewise.
4338         (cbhranchhi_neg): Likewise.
4339         (andhi3): Only allow splittable below100 operands.
4340         (iorhi3): Likewise.
4341         (peephole2): New and/zero_extend->and peephole.
4342         (peephole2): New load/ior/save->set1 peephole.
4343         (peephole2): New load/and/save->clr1 peephole.
4344         (bclrx, bclrx2, bclr7, bclr15): New.
4345         (bsetx, bsetx2, bset7, bset15): New.
4346
4347         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
4348         liberal about acceptable 'B' masks.
4349
4350         * config/stormy16/stormy16-protos.h
4351         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
4352         xstormy16_below100_operand, xstormy16_below100_or_register,
4353         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
4354         (PREDICATE_CODES): Add new predicates.
4355
4356         * config/stormy16/stormy16.c
4357         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
4358         xstormy16_below100_operand, xstormy16_below100_or_register,
4359         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
4360         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
4361         (xstormy16_legitimate_address_p): Allow below100 symbols.
4362         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
4363         (xstormy16_expand_move): Leave below100 operands as-is.
4364         (xstormy16_encode_section_info): Encode below100 symbols.
4365         (xstormy16_strip_name_encoding): New.
4366         (xstormy16_print_operand): Print 'b' as shift mask.
4367         (xstormy16_attribute_table): Add below100 attributes.
4368         (xstormy16_handle_below100_attribute): New.
4369
4370         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
4371         (XSTORMY16_SECTION_FUNCTION): New.
4372         (EXTRA_SECTION_FUNCTIONS): Define using the above.
4373         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
4374         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
4375         (ASM_OUTPUT_LABELREF): Define.
4376
4377         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
4378         (movhi_internal): Add below100 support.
4379         (andhi3): Add below100 support.
4380         (iorhi3): Add below100 support.
4381         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
4382
4383 2004-08-17  James E Wilson  <wilson@specifixinc.com>
4384
4385         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
4386         of VOIDmode for comparison code mode.
4387         * config/mips/mips.md: For conditional move patterns, use mode of
4388         first compare operand for comparison mode, instead of VOIDmode.
4389
4390         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
4391         normal and -ffast-math code.
4392
4393 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
4394
4395         PR c++/15871
4396         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
4397
4398 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
4399
4400         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
4401
4402 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
4403
4404         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
4405         for non Darwin targets.
4406         (*call_value_nonlocal_darwin64): Likewise.
4407
4408 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
4409
4410         * config/rs6000/rs6000.c (rs6000_function_value): Check for
4411         altivec mode for altivec return register.
4412
4413 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
4414
4415         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
4416         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4417         * config/rs6000/rs6000.md: Include darwin.md.
4418         (builtin_setjmp_receiver): Add DImode case.
4419         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
4420         Darwin bits.
4421
4422 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
4423
4424         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
4425         trees.
4426         * tree-vectorizer.h: New File: Same.
4427         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
4428         * common.opt (ftree-vectorize): New flag to enable vectorization.
4429         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
4430         vectorization pass.
4431         * tree-data-ref.h (init_data_ref): Additional argument.
4432         (array_base_name_differ_p): Moved to tree-data-ref.c.
4433         * tree-data-ref.c (array_base_name_differ_p): Revised.
4434         (initialize_data_dependence_relation): Call array_base_name_differ_p
4435         with an extra argument.
4436         (analyze_all_data_dependences): Same.
4437         (init_data_ref): Additional argument is_read to set DR_IS_READ.
4438         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
4439         file.
4440         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
4441         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
4442         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
4443         vectorization pass.
4444         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
4445         (tree_ssa_loop_done): Call scev_finalize.
4446         (tree_vectorize): Define the new vectorization pass.
4447         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
4448         size of the vector they support (until support for multiple vector
4449         sizes is added to the vectorizer).
4450         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
4451         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
4452         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
4453         documentation.
4454
4455 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
4456
4457         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
4458         usage.
4459         (generate_protocol_list, handle_impent): Likewise.
4460
4461 2004-08-17  Roger Sayle  <roger@eyesopen.com>
4462
4463         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
4464         ensure that call_used_regs is a superset of both fixed_regs and
4465         call_really_used_regs.
4466
4467 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
4468
4469         PR target/17019
4470         * arm.md (addsi3_cbranch_scratch): Correct case labels.
4471
4472 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4473
4474         PR middle-end/17036
4475         * fold-const.c (fold): Check for integer operand when
4476         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
4477         Pinski  <pinskia@physics.uc.edu>.
4478
4479 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
4480
4481         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
4482         No need to check if in a cross configuration.
4483         * configure: Regenerate.
4484
4485         * calls.c (precompute_register_parameters):
4486         Inline preserve_subexpressions_p ().
4487         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
4488         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
4489         Likewise.
4490         * expr.c (get_subtarget): Likewise.
4491         * rtl.h (preserve_subexpressions_p): Remove.
4492         * stmt.c (preserve_subexpressions_p): Remove.
4493
4494         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
4495         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
4496         Abort on gimplified cases.
4497
4498 2004-08-16  James E Wilson  <wilson@specifixinc.com>
4499
4500         * tree.h (VECTOR_FLOAT_TYPE_P): New.
4501         (FLOAT_TYPE_P): Use it.
4502         * c-typeck.c (build_binary_op): After convert calls, check for
4503         check for ERROR_MARK operands.
4504
4505 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
4506
4507         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
4508         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
4509         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
4510         (genobjs static pattern rule): Remove %.c dependency.
4511         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
4512         Rename rules; delete commands; fix dependencies.
4513         (mostlyclean): Do not delete temporary source copies.
4514         * configure.ac: Delete all references to BUILD_PREFIX and
4515         BUILD_PREFIX_1.
4516         * configure: Regenerate.
4517
4518         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
4519         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
4520         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
4521         with #ifndef GENERATOR_FILE so that nothing from those headers
4522         is used.
4523
4524         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
4525
4526 2004-08-16  Adam Nemet  <anemet@lnxw.com>
4527
4528         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
4529
4530 2004-08-16  Andrew Pinski  <apinski@apple.com>
4531
4532         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
4533         extraneous semicolon.
4534
4535 2004-08-16  Devang Patel  <dpatel@apple.com>
4536
4537         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
4538         * print-tree.c (print_node): Print DECL_PRESERVE_P.
4539         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
4540         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
4541         * target.h (struct gcc_target): New member, mark_decl_preserved.
4542         * hooks.c (hook_void_charptr): Rename to ...
4543         (hook_void_constcharptr): ... new name.
4544         * hooks.h (hook_void_charptr): Rename to ..
4545         (hook_void_constcharptr): ... new name.
4546         * tree.h (DECL_PRESERVE_P): New #define.
4547         (struct tree_decl): New member, preserve_flag.
4548         * varasm.c (assemble_start_function): Mark decl preserved.
4549         (assemble_variable): Same.
4550         * darwin.c (darwin_mark_decl_preserved): New function.
4551         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
4552         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
4553         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
4554
4555 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
4556
4557         * c-decl.c (grokdeclarator): Allow for function definition where
4558         innermost declarator has attributes.
4559
4560 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
4561
4562         * except.c (get_exception_filter, build_post_landing_pads,
4563         dw2_build_landing_pads): Use target-specific mode for 'filter'.
4564         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
4565         * target.h (eh_return_filter_mode): New field added.
4566         * targhooks.c (default_eh_return_filter_mode): Defined.
4567         * targhooks.h (default_eh_return_filter_mode): Declared.
4568         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
4569
4570 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4571
4572         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
4573         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
4574         * configure: Regenerate.
4575
4576 2004-08-16  Stan Shebs  <shebs@apple.com>
4577
4578         Basic support for 64-bit Darwin.
4579         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
4580         (machopic_legitimize_pic_address): Similarly, plus use Pmode
4581         instead of SImode.
4582         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
4583         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
4584         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
4585         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
4586         (PROCESSOR_DEFAULT64): Define.
4587         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
4588         Darwin.
4589         * config/rs6000/rs6000.md: Include darwin.md.
4590         (builtin_setjmp_receiver): Add DImode case.
4591         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
4592         Darwin.
4593         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
4594         (rs6000_emit_move): Add DImode case to Darwin bits.
4595         (machopic_output_stub): Use .quad if 64-bit.
4596         * invoke.texi: Document -m32 and -m64.
4597
4598 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
4599
4600         * doc/extend.texi (AltiVec builtins): Document additional differences
4601         from the Motorola AltiVec PIM.
4602
4603 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4604
4605         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
4606         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
4607         (struct tree_common): Update public_flag documentation.
4608
4609 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
4610
4611         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
4612         Check for artificial variables, not is_gimple_tmp_var.
4613         * tree-ssa-live.c (var_union): Likewise.
4614
4615 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
4616
4617         * calls.c (load_register_parameters): Remove spurious FIXME token.
4618
4619 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
4620
4621         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
4622         (c-lang.o): Depend on c-objc-common.h.
4623         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
4624         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
4625         * c-lang.c: Include c-objc-common.h.
4626         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
4627         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
4628         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
4629         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
4630         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
4631         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
4632         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
4633         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
4634         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
4635         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
4636         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
4637         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
4638         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
4639         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
4640         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
4641         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
4642         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
4643         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
4644         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
4645         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
4646         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
4647         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
4648         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
4649         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
4650         Move to c-objc-common.h.
4651         * c-objc-common.c: Include c-objc-common.h.
4652         * c-objc-common.h: New file.
4653
4654 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
4655             Andrew Pinski  <pinskia@physics.uc.edu>
4656
4657         PR target/14931
4658         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
4659         style.
4660
4661 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
4662
4663         * tree.h (build_int_cst): New.
4664         (build_int_2): Remove.
4665         * tree.c (build_int_2): Remove.
4666         (build_int_cst): New.
4667         (make_vector_type, build_common_tree_nodes,
4668         build_common_tree_nodes_2): Use build_int_cst.
4669         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
4670         expand_builtin_strpbrk, expand_builtin_fputs,
4671         build_string_literal, expand_builtin_printf,
4672         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
4673         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
4674         fold_builtin_isdigit, simplify_builtin_strstr,
4675         simplify_builtin_strpbrk, fold_builtin_fputs,
4676         simplify_builtin_sprintf): Use build_int_cst.
4677         * c-common.c (start_fname_decls, fix_string_type,
4678         c_common_nodes_and_builtins, c_init_attributes,
4679         shorten_compare): Likewise.
4680         * c-decl.c (complete_array_type,
4681         check_bitfield_type_and_width): Likewise.
4682         * c-lex.c (interpret_integer, lex_charconst): Likewise.
4683         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
4684         * c-pretty-print.c (pp_c_integer_constant): Likewise.
4685         * c-typeck.c (really_start_incremental_init, push_init_level,
4686         set_nonincremental_init_from_string): Likewise.
4687         * calls.c (load_register_parameters): Likewise.
4688         * convert.c (convert_to_pointer): Likewise.
4689         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
4690         build_fn_info_type, build_ctr_info_value, build_gcov_info):
4691         Likewise.
4692         * except.c (init_eh, assign_filter_values, assign_filter_values):
4693         Likewise.
4694         * expmed.c (store_fixed_bit_field, extract_bit_field,
4695         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
4696         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
4697         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
4698         * expr.c (convert_move, emit_group_load, emit_group_store,
4699         expand_assignment, store_constructor, store_field,
4700         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
4701         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
4702         invert_truthvalue, optimize_bit_field_compare,
4703         decode_field_reference, all_ones_mask_p, constant_boolean_node,
4704         fold_div_compare, fold, fold_read_from_constant_string,
4705         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
4706         * function.c (assign_parm_setup_block): Likewise.
4707         * stmt.c (shift_return_value, expand_end_case_type,
4708         estimate_case_costs): Likewise.
4709         * stor-layout.c (layout_type, initialize_sizetypes,
4710         set_min_and_max_values_for_integral_type): Likewise.
4711         * tree-chrec.c (chrec_fold_multiply_poly_poly,
4712         reset_evolution_in_loop): Likewise.
4713         * tree-chrec.h (build_polynomial_chrec): Likewise.
4714         * tree-complex.c (build_replicated_const): Likewise.
4715         * tree-eh.c (honor_protect_cleanup_actions,
4716         lower_try_finally_onedest, lower_try_finally_copy,
4717         lower_try_finally_switch): Likewise.
4718         * tree-mudflap.c (mf_build_string, mx_register_decls,
4719         mudflap_register_call, mudflap_enqueue_constant): Likewise.
4720         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
4721         * tree-pretty-print.c (dump_generic_node): Likewise.
4722         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
4723         Likewise.
4724         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
4725         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4726         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
4727         Likewise.
4728
4729         * config/alpha/alpha.c (alpha_initialize_trampoline,
4730         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
4731         * config/arm/arm.c (arm_get_cookie_size): Likewise.
4732         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
4733         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
4734         * config/i860/i860.c (i860_va_start): Likewise.
4735         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
4736         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
4737         mips_gimplify_va_arg_expr): Likewise.
4738         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
4739         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
4740         add_compiler_branch_island): Likewise.
4741         * config/s390/s390.c (s390_va_start): Likewise.
4742         * config/sh/sh.c (sh_va_start): Likewise.
4743         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
4744         Likewise.
4745         * config/xtensa/xtensa.c (xtensa_va_start,
4746         xtensa_gimplify_va_arg_expr): Likewise.
4747
4748         * objc/objc-act.c (build_objc_string_object,
4749         build_objc_symtab_template, init_def_list, init_objc_symtab,
4750         init_module_descriptor, generate_static_references,
4751         build_selector_translation_table, get_proto_encoding,
4752         build_typed_selector_reference, build_selector_reference,
4753         build_next_objc_exception_stuff,
4754         build_method_prototype_list_template, generate_descriptor_table,
4755         generate_protocols, build_protocol_initializer,
4756         build_ivar_list_template, build_method_list_template,
4757         build_ivar_list_initializer, generate_ivars_list,
4758         generate_dispatch_table, generate_protocol_list,
4759         build_category_initializer, build_shared_structure_initializer,
4760         generate_shared_structures, handle_impent,
4761         generate_objc_image_info): Use build_int_cst.
4762
4763 2004-08-15  Ben Elliston  <bje@au.ibm.com>
4764
4765         * vec.h: Comment improvements.
4766
4767 2004-08-14  Roger Sayle  <roger@eyesopen.com>
4768
4769         * c-common.c (shorten_compare, pointer_int_sum,
4770         c_common_truthvalue_conversion, boolean_increment): Replace calls
4771         to build with calls to buildN.
4772         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
4773         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
4774         gimplify_switch_stmt): Likewise.
4775         * c-typeck.c (default_function_array_conversion,
4776         build_component_ref, build_array_ref, build_function_call,
4777         pointer_diff, build_unary_op, build_conditional_expr,
4778         build_compound_expr, build_modify_expr, c_finish_goto_label,
4779         c_finish_goto_ptr, c_finish_return, c_finish_loop,
4780         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
4781         build_binary_op): Likewise.
4782
4783 2004-08-15  Steven Bosscher  <stevenb@suse.de>
4784
4785         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
4786
4787 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4788
4789         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
4790         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
4791         * fixinc/fixincl.x: Rebuilt.
4792
4793 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
4794
4795         * config/mips/mips-protos.h (mips_symbolic_constant_p)
4796         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
4797         (mips_small_data_pattern_p): Declare.
4798         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
4799         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
4800         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
4801         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
4802         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
4803         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
4804         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
4805         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
4806         (pc_or_label_operand, call_insn_operand, move_operand)
4807         (consttable_operand, symbolic_operand, general_symbolic_operand)
4808         (global_got_operand, local_got_operand, stack_operand)
4809         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
4810         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
4811         (mips_small_data_pattern_p): Replace previous small_data_pattern
4812         predicate.  Turn into a bool () (rtx) function.
4813         * config/mips/predicates.md: New file.
4814         * config/mips/mips.md: Include it.  Use the target-independent
4815         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
4816         trap_comparison_operator and equality_op to equality_operator.
4817         Replace uses of small_int with the equivalent const_arith_operand.
4818         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
4819         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
4820         to fcc_reload_operand.
4821         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
4822
4823 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4824
4825         PR libstdc++/17005 partial fix.
4826         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
4827         except when generating ANSI/C89 code.
4828
4829 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
4830
4831         * c-common.c (shorten_compare): Use force_fit_type directly.
4832
4833 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
4834             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
4835             Dave Korn  <dk@artimi.com>
4836
4837         * doc/install.texi (Building): Avoid duplicate reference to GNU
4838         make requirement.
4839         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
4840
4841 2004-08-14  Richard Henderson  <rth@redhat.com>
4842
4843         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
4844         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
4845
4846 2004-08-13  Richard Henderson  <rth@redhat.com>
4847
4848         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
4849         for constant_call_address_operand.
4850         (call_value_pop_1, call_value_1): Likewise.
4851         (sibcall_value_1, call_value_1_rex64): Likewise.
4852
4853 2004-08-13  James E Wilson  <wilson@specifixinc.com>
4854
4855         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
4856         Correct mode from SFmode to DFmode.
4857
4858 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
4859
4860         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
4861         __cstring_object and __image_info sections with the no_dead_strip
4862         attribute.
4863
4864 2004-08-13  Roger Sayle  <roger@eyesopen.com>
4865             David Billinghurst  <David.Billinghurst@riotinto.com>
4866
4867         PR libgfortran/15930
4868         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
4869         * fixinc/fixincl.x: Regenerate.
4870         * fixinc/tests/base/internal/math_core.h: New file.
4871
4872 2004-08-13  Richard Henderson  <rth@redhat.com>
4873
4874         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
4875         (dbxout_function_end): Remove ifdefs for it.
4876         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
4877
4878 2004-08-13  Richard Henderson  <rth@redhat.com>
4879
4880         * Makefile.in (insn-preds.o): Depend on TREE_H.
4881         * genpreds.c (write_insn_preds_c): Include tree.h.
4882         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
4883         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
4884         const48_operand, and_operand, or_operand, mode_width_operand,
4885         mode_mask_operand, mul8_operand, const0_operand,
4886         hard_fp_register_operand, hard_int_register_operand,
4887         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
4888         samegp_function_operand, direct_call_operand, small_symbolic_operand,
4889         global_symbolic_operand, call_operand, symbolic_operand,
4890         dtp16_symbolic_operand, dtp32_symbolic_operand,
4891         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
4892         gottp_symbolic_operand, alpha_comparison_operator,
4893         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
4894         signed_comparison_operator, alpha_fp_comparison_operator,
4895         divmod_operator, fix_operator, aligned_memory_operand,
4896         unaligned_memory_operand, reg_or_unaligned_mem_operand,
4897         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
4898         reg_no_subreg_operand, addition_operation): Move to predicates.md.
4899         (reg_or_const_int_operand): Remove.  Replace all users with
4900         reg_or_cint_operand.
4901         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
4902         (resolve_reload_operand): Split out of aligned_memory_operand.
4903         * config/alpha/alpha-protos.h: Update for exports.
4904         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
4905         * config/alpha/alpha.md: Include predicates.md.
4906         * config/alpha/predicates.md: New file.
4907
4908 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
4909
4910         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
4911         fields with a pointer to the instruction definition.
4912         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
4913         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
4914         (write_attr_case, write_const_num_delay_slots): Update accordingly.
4915         (write_attr_case, write_const_num_delay_slots): Write the name of
4916         an insn next to its case statement.
4917         * genoutput.c (data): Add a filename field.
4918         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
4919         (output_insn_data): Print the location of each insn definition.
4920         * genrecog.c (write_action): Print the name of an insn above
4921         the statement that returns its code.
4922
4923 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
4924
4925         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
4926         * config/libgloss.h: Likewise.
4927         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
4928         * c4x/c4x-modes.def: Likewise.
4929         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
4930         (c4x_rptb_nop_p): Likewise.
4931         (c4x_rptb_valid_p): Likewise.
4932         (c4x_rptb_insert): Likewise.
4933         (c4x_address_conflict): Likewise.
4934         * config/c4x/c4x.md: Likewise.
4935         * config/frv/frv.md: Likewise.
4936         * config/i386/athlon.md: Likewise.
4937         * config/i386/i386.md: Likewise.
4938         * config/i386/predicates.md: Likewise.
4939         * config/ia64/ia64.c: Likewise.
4940         * config/ia64/itanium1.md: Likewise.
4941         * config/ia64/itanium2.md: Likewise.
4942         * config/iq2000/iq2000.md: Likewise.
4943         * config/mcore/mcore.c: Likewise.
4944         * config/mips/mips.c: Likewise.
4945         * config/mips/r3900.h: Likewise.
4946         * config/mips/sb1.md: Likewise.
4947         * config/pa/milli64.S: Likewise.
4948         * config/pa/pa.c: Likewise.
4949         * config/pa/pa.h: Likewise.
4950         * config/rs6000/8540.md: Likewise.
4951
4952 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
4953
4954         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
4955
4956 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
4957
4958         * sh.md (cbranch define_delay) Use cond_delay_slot for
4959         non-anulled condition too.
4960
4961 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
4962
4963         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
4964         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
4965         any_parallel_operand, lmw_operation, stmw_operation,
4966         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
4967         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
4968         any_parallel_operand.
4969         (return_and_restore_fpregs_{si,di}): Same.
4970
4971 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
4972
4973         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
4974         if pred->singleton != PARALLEL, issue a warning and pretend it was.
4975         Also issue a warning for any predicate we don't know about.
4976
4977 2004-08-12  Richard Henderson  <rth@redhat.com>
4978
4979         * config/i386/i386.c (internal_label_prefix): Export.
4980         (internal_label_prefix_len, struct ix86_address,
4981         ix86_decompose_address, maybe_get_pool_constant,
4982         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
4983         memory_address_length): Export.
4984         (any_fp_register_operand, fp_register_operand,
4985         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
4986         x86_64_general_operand, x86_64_szext_general_operand,
4987         x86_64_nonmemory_operand, x86_64_movabs_operand,
4988         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
4989         x86_64_zext_immediate_operand, const_int_1_31_operand,
4990         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
4991         tls_symbolic_operand, global_dynamic_symbolic_operand,
4992         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
4993         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
4994         constant_call_address_operand, const0_operand, const1_operand,
4995         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
4996         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
4997         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
4998         general_no_elim_operand, nonmemory_no_elim_operand,
4999         index_register_operand, q_regs_operand, flags_reg_operand,
5000         non_q_regs_operand, zero_extended_scalar_load_operand,
5001         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
5002         ix86_comparison_operator, ix86_carry_flag_operator,
5003         fcmov_comparison_operator, promotable_binary_operator,
5004         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
5005         mult_operator, div_operator, arith_or_logical_operator,
5006         memory_displacement_operand, cmpsi_operand, long_memory_operand,
5007         aligned_operand): Move to predicates.md as define_predicates.
5008         (tls_symbolic_operand_1): Remove.
5009         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
5010         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
5011         (legitimize_address): Merge tls_symbolic_operand contents.
5012         (ix86_expand_move): Likewise.
5013         * config/i386/i386-protos.h: Update for exports.
5014         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
5015         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
5016         * config/i386/i386.md: Include predicates.md.
5017         * config/i386/predicates.md: New file.
5018
5019 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
5020
5021         PR c++/16924
5022         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
5023         SYMBOL_REF_DECL.
5024         (i386_pe_mark_dllimport): Likewise.
5025         (i386_pe_encode_section_info): Likewise, when overriding
5026         dllimport attribute.
5027
5028 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
5029
5030         * configure.ac: When testing for flex, nm, ar, and bison, check
5031         that they will actually be built.
5032         * configure: Regenerate.
5033
5034 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
5035
5036         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
5037         (MOVE_MAX_PIECES): Define.
5038
5039 2004-08-12  Devang patel  <dpatel@apple.com>
5040
5041         * dbxout.c (dbxout_begin_prologue): New function.
5042         (dbx_debug_hooks): Use new begin prologue hook.
5043         (dbxout_function_end): Emit N_ENSYM.
5044         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
5045
5046 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
5047
5048         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
5049         argument is float*.
5050
5051         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
5052         for vec_dss.
5053
5054         * doc/extend.texi (AltiVec builtins): Fix description for recent
5055         changes.  Update operation list to match current support.
5056
5057 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
5058
5059         * config/s390/s390.c (struct s390_frame_layout): New struct as element
5060         of struct machine_function.
5061         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
5062         changed all uses.
5063         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
5064         changed all uses.
5065         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
5066         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
5067         (s390_frame_area, s390_register_info): New functions.
5068         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
5069         for base register.
5070         (s390_return_addr_rtx, s390_return_address_offset)
5071         (s390_va_start, s390_gimplify_va_arg)
5072         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
5073         layouts.
5074         (s390_frame_info): Functionality partly moved to s390_register_info.
5075         Made adaptions for new stack layout.
5076         (save_gprs, restore_gprs): Changed meaning of second parameter and
5077         adapted all callers.
5078
5079         * config/s390/s390.h (s390_backchain_string): New global variable.
5080         (MASK_BACKCHAIN): Removed definition.
5081         (TARGET_BACKCHAIN): Changed check.
5082         (TARGET_KERNEL_BACKCHAIN): New macro.
5083         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
5084         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
5085         "kernel-backchain".
5086         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
5087
5088         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
5089         as condition.  Adjusted for new stack layout.
5090
5091         * doc/invoke.texi: Added documentation for new option
5092         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
5093         "-mno-backchain".
5094
5095 2004-08-12  Paul Brook  <paul@codesourcery.com>
5096
5097         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
5098         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
5099
5100 2004-08-12  David Daney  <ddaney@avtrex.com>
5101
5102         * java/gcj.texi:  Add subsection on signal usage.
5103
5104 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
5105
5106         * expr.c (move_by_pieces): Set alignment for move to minimum of
5107         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
5108         alignment, but not less than the original alignment.
5109         (move_by_pieces_ninsns): Same.
5110         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
5111         (store_by_pieces_1): Same.
5112
5113 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
5114
5115         PR tree-optimization/16867
5116         * tree.c (is_global_var): New function.
5117         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
5118         Call is_global_var.
5119         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
5120         Update all users.
5121         (is_global_var): Declare.
5122         * tree-dfa.c (dump_variable): Display global and addressable
5123         attributes.
5124         (add_referenced_var): Clarify documentation when marking
5125         variables call-clobbered.
5126         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
5127         instead of needs_to_live_in_memory.
5128         (mark_call_clobbered): If the variable is a tag, mark it
5129         DECL_EXTERNAL.
5130         * tree-gimple.c (is_gimple_reg): Don't check for
5131         TREE_ADDRESSABLE.
5132         (is_gimple_non_addressable): Likewise.
5133         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
5134         needs to be marked call-clobbered.
5135         (setup_pointers_and_addressables): Call is_global_var instead
5136         of needs_to_live_in_memory.
5137         * tree-ssa-dce.c (need_to_preserve_store): Remove.
5138         Update all users with is_global_var.
5139         (mark_stmt_if_obviously_necessary): Fix processing of aliased
5140         stores.  Don't check the virtual definitions.  Rather, check
5141         whether the store is going into global memory.
5142         (find_obviously_necessary_stmts): Get the symbol from the PHI
5143         result.
5144         * tree-ssa-operands.c (get_call_expr_operands): Do not add
5145         clobbering may-defs if the call does not have side effects.
5146
5147 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
5148
5149         PR c++/16276
5150         * output.h (default_function_rodata_section,
5151         default_no_function_rodata_section): New prototypes.
5152         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
5153         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
5154         (TARGET_ASM_OUT): Add it.
5155         * varasm.c (default_function_rodata_section,
5156         default_no_function_rodata_section): New functions.
5157         * final.c (final_scan_insn): Call
5158         targetm.asm_out.function_rodata_section instead of
5159         readonly_data_section.
5160         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
5161         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5162         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5163         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
5164         Likewise.
5165         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5166         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
5167         Likewise.
5168         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
5169         Likewise.
5170         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5171         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
5172         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
5173
5174 2004-08-12  Paul Brook  <paul@codesourcery.com>
5175
5176         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
5177         frame info.
5178         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
5179         DWARF2_UNWIND_INFO.
5180
5181 2004-08-12  Ben Elliston  <bje@au.ibm.com>
5182
5183         PR target/16286
5184         * config/rs6000/altivec.h: Change vector to __vector throughout.
5185         (Except for the `vector' macro itself).
5186
5187 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
5188
5189         * genpreds.c: Add capability to generate predicate bodies as
5190         well as function prototypes.  Write function prototypes for
5191         the generic predicates too.
5192         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
5193         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
5194         (write_match_code, write_predicate_expr, write_one_predicate_function)
5195         (parse_option): New functions.
5196         (output_predicate_decls): Delete.
5197         (main): Read the machine description, process DEFINE_PREDICATE or
5198         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
5199         as appropriate.
5200
5201         * genrecog.c (struct decision_test): Replace index with
5202         struct pred_data pointer.
5203         (next_index): Remove, unused.
5204         (pred_table, preds, special_mode_pred_table): Delete.
5205         (compute_predicate_codes, process_define_predicate): New functions.
5206         (validate_pattern, add_to_sequence, write_switch): Update for
5207         new data structures.
5208         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
5209         Check both error_count and have_error.
5210
5211         * gensupport.c (in_fname, first_predicate): New globals.
5212         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
5213         (predicate_table, last_predicate, old_pred_table)
5214         (old_special_pred_table): New statics.
5215         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
5216         (add_predicate, init_predicate_table): New functions.
5217         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
5218         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
5219         it or max_include_len.  Call init_predicate_table.
5220         (read_rtx): Run the predicate queue after the attribute queue
5221         but before all the others.
5222         * gensupport.h (in_fname, struct pred_data, first_predicate)
5223         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
5224         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
5225         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
5226         * dummy-conditions.c: Don't include bconfig.h, system.h,
5227         coretypes.h, tm.h, or system.h.  Do include stddef.h.
5228         Duplicate declaration of struct c_test from gensupport.h.
5229
5230         * Makefile.in (OBJS-common): Add insn-preds.o.
5231         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
5232         (insn-preds.c, insn-preds.o): New rules.
5233         (s-preds): Also generate insn-preds.c.
5234         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
5235         Update dependencies.
5236         (print-rtl.o, print-rtl1.o): Correct dependencies.
5237
5238         * recog.h: Delete prototypes of predicate functions.
5239
5240         * doc/md.texi (Predicates): New section with complete
5241         documentation of operand/operator predicates.  Remove some
5242         incomplete documentation of predicates from other places.
5243         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
5244         PREDICATE_CODES; indicate that both are deprecated in favor
5245         of define_predicate/define_special_predicate.
5246
5247         * config/ia64/ia64.c: All predicate function definitions moved
5248         to ia64.md, except
5249         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
5250         (ia64_expand_load_address, ia64_expand_move):
5251         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
5252
5253         * config/ia64/ia64.md: All predicates now defined here.
5254         (symbolic_operand): Is now a special predicate.
5255
5256         * config/ia64/ia64.h: Declare ia64_section_threshold.
5257         (PREDICATE_CODES): Delete.
5258
5259 2004-08-12  Richard Henderson  <rth@redhat.com>
5260
5261         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
5262         * c-semantics.c (add_stmt): Set it.
5263         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
5264         before instantiating a variable sized type.
5265
5266 2004-08-12  Richard Henderson  <rth@redhat.com>
5267
5268         * stor-layout.c (round_up, round_down): Move ...
5269         * fold-const.c (round_up, round_down): ... here.  Use
5270         multiple_of_p to avoid any arithmetic at all.
5271
5272 2004-08-12  Richard Henderson  <rth@redhat.com>
5273
5274         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
5275         (gimplify_init_ctor_preeval_1): New.
5276         (gimplify_init_ctor_preeval): New.
5277         (gimplify_init_ctor_eval): New.
5278         (gimplify_init_constructor): Use them.  Always gimplify the LHS
5279         object first.
5280
5281 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
5282
5283         (This patch is part of merge of objc-improvements-branch
5284         into mainline.)
5285
5286         * doc/frontends.texi: Mention Objective-C++ in addition to
5287         Objective-C.
5288         * doc/install.texi: Add 'obj-c++' to list of configurable
5289         languages.
5290         * doc/invoke.texi: Rename Objective-C option headings to
5291         indicate they also apply to Objective-C++.  List file
5292         extensions for Objective-C++ sources.  Mention that
5293         ObjC and ObjC++ compilations may also use C and C++ options,
5294         respectively.  Point users to doc/standards.texi for
5295         further info on ObjC and ObjC++.
5296         * doc/sourcebuild.texi: Mention the objcp/ directory and
5297         the Objective-C++ sources it contains.
5298         * doc/standards.texi: Update link to Apple ObjC site;
5299         add link to gcc readings.html WWW doc.
5300
5301 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
5302
5303         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
5304         and 2004-07-14 changes.
5305
5306 2004-08-12  Paul Brook  <paul@codesourcery.com>
5307
5308         * doc/invoke.texi: Fix typo.
5309
5310 2004-08-11 Devang Patel  <dpatel@apple.com>
5311
5312         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
5313         and -no_dead_strip_inits_and_terms.
5314         (LINK_SPEC): Same.
5315         * doc/invoke.texi (Darwin Options): Document -dead_strip and
5316         -no_dead_strip_inits_and_terms.
5317
5318 2004-08-11  Paul Brook  <paul@codesourcery.com>
5319
5320         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
5321         (arm_load_pic_register): ... to this.
5322         * config/arm/arm.c (arm_finalize_pic): Rename ...
5323         (arm_load_pic_register): ... to this.  Always output insns at the
5324         current location.  Load via low reg in thumb mode.
5325         (arm_expand_prologue): Call arm_load_pic_register.
5326         (thumb_expand_prologue): Ditto.
5327         * config/arm/arm.h (FINALIZE_PIC): Remove.
5328         * config/arm/arm.md (builtin_setjmp_receiver): Call
5329         arm_load_pic_register.
5330
5331 2004-08-11  Paul Brook  <paul@codesourcery.com>
5332
5333         * arm.c (thumb_force_lr_save): Add prototype.
5334         (thumb_compute_save_reg_mask): New function.
5335         (thumb_find_work_register): New function.
5336         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
5337         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
5338         Don't clobber r3 when removing pretend args.
5339         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
5340         (thumb_output_function_prologue): Use new functions.
5341         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
5342         * arm.h (THUMB_REG_PUSHED_P): Remove.
5343
5344 2004-08-11  James E Wilson  <wilson@specifixinc.com>
5345
5346         PR rtl-optimization/16490
5347         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
5348         global_live_at_end for new basic block if already set for other blocks.
5349
5350 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
5351
5352         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
5353
5354         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
5355         (mfcr rlwinm rlwinm patterns): Set length to 12.
5356
5357 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
5358
5359         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
5360         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
5361         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
5362         (start_ssa_stmt_operands): Delete.
5363         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
5364         struct stmt_operands_d.
5365         (build_ssa_operands): New extern entry point.
5366         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
5367         building code, replace with create_ssa_artficial_load_stmt().
5368         * tree-ssa-operands.c (struct voperands_d): Delete.
5369         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
5370         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
5371         (free_uses, free_defs, free_vuses, free_v_may_defs,
5372         free_v_must_defs): Remove dealloc parameter.
5373         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
5374         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
5375         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
5376         vector comparisons, ssa_name reuse, and allocations here.
5377         (verify_start_operands): Delete.
5378         (finalize_ssa_stmt_operands): Set new operands by calling finalize
5379         routines.
5380         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
5381         (append_def, append_usei): Simplify to simple accumulation.
5382         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
5383         duplicates and simple accumulation.
5384         (free_ssa_operands): Free vectors in a stmt_operand structure.
5385         (build_ssa_operands): New. Create a new stmt_operand structure from
5386         a stmt and an old set of stmt_operands.
5387         (get_stmt_operands): Simplify and call build_ssa_operands.
5388         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
5389         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
5390         add_call_read_ops): Don't pass prev_vops around anymore.
5391         (note_addressable): Return if no stmt annotation.
5392         (copy_virtual_operands): Access v_may_def operands through a struct.
5393         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
5394         hash tables without treating the stmt as a real stmt.
5395         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
5396         v_may_def def and use through a struct instead of 2 array elements.
5397         (struct v_may_def_optype_d): Use v_may_def_operand_type.
5398         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
5399
5400 2004-08-11  Nick Clifton  <nickc@redhat.com>
5401
5402         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
5403         this funciton's behaviour.  Return true when the current function
5404         has a section attribute and -mlong-calls is in effect.
5405         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
5406         short-call marker when -mlong-calls is in effect and the function
5407         has a section attribute.
5408
5409 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
5410
5411         * stmt.c (expand_return): If asked to return the RESULT_DECL,
5412         just call expand_value_return on result_rtl.
5413
5414 2004-08-10  Richard Henderson  <rth@redhat.com>
5415
5416         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
5417         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
5418         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
5419         (add_location_or_const_value_attribute): ... not here.  Use
5420         loc_descriptor_from_tree if possible.
5421         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
5422         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
5423         values specially.
5424         (loc_descriptor_from_tree): New.  Update callers.
5425         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
5426         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
5427         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
5428         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
5429         and BUILT_IN_STACK_RESTORE.
5430         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
5431         * stmt.c (expand_stack_alloc): Remove.
5432         * tree-mudflap.c (mx_register_decls): Don't look for
5433         BUILT_IN_STACK_ALLOC.
5434         * tree-nested.c (convert_local_reference): Likewise.
5435         * tree.h (DECL_VALUE_EXPR): New.
5436
5437 2004-08-10  Richard Henderson  <rth@redhat.com>
5438
5439         * stor-layout.c (round_up): Check for 0/1 before dividing.
5440         (round_down): Likewise.
5441
5442         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
5443
5444 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
5445
5446         * config.gcc (arm*-*-eabi*): New target.
5447         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
5448         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5449         * expmed.c (expand_divmod): Try a two-valued divmod function as a
5450         last resort.
5451         * gthr.h: Remove bogus tokens at end of #pragma.
5452         * optabs.c (expand_twoval_binop_libfunc): New function.
5453         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
5454         (prepare_float_lib_cmp): Try reversing the condition.
5455         (debug_optab_libfuncs): New function.
5456         * optabs.h (expand_twoval_binop_libfunc): Declare.
5457         * config/arm/arm.c (arm_init_libfuncs): New function.
5458         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
5459         (TARGET_INIT_LIBFUNCS): Define it.
5460         * config/arm/arm.h (TARGET_BPABI): New macro.
5461         * config/arm/arm-protos.h
5462         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
5463         * config/arm/bpabi.S: New file.
5464         * config/arm/bpabi.c: Likewise.
5465         * config/arm/bpabi.h: Likewise.
5466         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
5467         (__aeabi_drsub): Likewise.
5468         (__aeabi_dsub): Likewise.
5469         (__aeabi_dadd): Likewise.
5470         (__aeabi_ui2d): Likewise.
5471         (__aeabi_i2d): Likewise.
5472         (__aeabi_f2d): Likewise.
5473         (__aeabi_dmul): Likewise.
5474         (__aeabi_ddiv): Likewise.
5475         (__aeabi_cdrcmple): Likewise.
5476         (__aeabi_cdcmpeq): Likewise.
5477         (__aeabi_cdcmple): Likewise.
5478         (__aeabi_dcmpeq): Likewise.
5479         (__aeabi_dcmplt): Likewise.
5480         (__aeabi_dcmple): Likewise.
5481         (__aeabi_dcmpge): Likewise.
5482         (__aeabi_dcmpgt): Likewise.
5483         (__aeabi_dcmpun): Likewise.
5484         (__aeabi_d2iz): Likewise.
5485         (__aeabi_d2uiz): Likewise.
5486         (__aeabi_d2f): Likewise.
5487         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
5488         (__aeabi_frsub): Likewise.
5489         (__aeabi_fsub): Likewise.
5490         (__aeabi_fadd): Likewise.
5491         (__aeabi_ui2f): Likewise.
5492         (__aeabi_i2f): Likewise.
5493         (__aeabi_fmul): Likewise.
5494         (__aeabi_fdiv): Likewise.
5495         (__aeabi_cfrcmple): Likewise.
5496         (__aeabi_cfcmpeq): Likewise.
5497         (__aeabi_cfcmple): Likewise.
5498         (__aeabi_fcmpeq): Likewise.
5499         (__aeabi_fcmplt): Likewise.
5500         (__aeabi_fcmple): Likewise.
5501         (__aeabi_fcmpge): Likewise.
5502         (__aeabi_fcmpgt): Likewise.
5503         (__aeabi_fcmpun): Likewise.
5504         (__aeabi_f2iz): Likewise.
5505         (__aeabi_f2uiz): Likewise.
5506         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
5507         (__aeabi_uidivmod): New function or alias.
5508         (__aeabi_idivmod): Likewise.
5509         (__aeabi_idiv0): Likewise.
5510         (__aeabi_ldiv0): Likewise.
5511         (__aeabi_llsr): Likewise.
5512         (__aeabi_lasr): Likewise.
5513         (__aeabi_llsl): Likewise.
5514         (bpabi.S): Include it.
5515         * config/arm/libgcc-bpabi.ver: New file.
5516         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
5517         (LINK_SPEC): Remove.
5518         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
5519         __aeabi_ulcmp.
5520         * config/arm/t-bpabi: New file.
5521         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
5522         (TARGET_LIB_INT_CMP_BIASED): Likewise.
5523
5524 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
5525
5526         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
5527         * config/rs6000/rs6000.md (clrmemsi): New pattern.
5528         * config/rs6000/rs6000.c (expand_block_clear): New function.
5529         (expand_block_move): Convert alignment to bits.  Use SImode and
5530         HImode for unaligned addresses if not STRICT_ALIGNMENT.
5531
5532 2004-08-10  Caroline Tice  <ctice@apple.com>
5533
5534         * varasm.c (unlikely_section_label): New global variable.
5535         (unlikely_text_section_name): New global variable.
5536         (text_section):  Remove alignment statement.
5537         (unlikely_text_section): Remove alignment statement; use
5538         unlikely_section_label rather than hard-coded string.
5539         (assemble_start_function): Initialize unlikely_section_label and
5540         unlikely_text_section_name;  make sure cold section is properly
5541         aligned at start of function; output unlikely_section_label if
5542         appropriate.
5543
5544 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
5545
5546         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
5547         * config/s390/s390.c (s390_canonicalize_comparison): New function.
5548         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
5549         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
5550         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
5551         ("*tmqi_mem"): Remove SUBREG from pattern.
5552         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
5553         ("*andsi3_cconly"): Likewise.
5554
5555 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5556
5557         PR target/16909
5558         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
5559
5560 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
5561
5562         * doc/sourcebuild.texi (compat testing): Document available test
5563         framework commands.  Use the preferred spelling of DejaGnu.
5564
5565 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
5566
5567         * lambda.h: Add matrix type, and prototypes for remainder of
5568         matrix and vector functions.
5569         (lambda_vector_mult_const): New function.
5570         (lambda_vector_negate): Ditto.
5571         (lambda_vector_add): Ditto.
5572         (lambda_vector_add_mc): Ditto.
5573         (lambda_vector_copy): Ditto.
5574         (lambda_vector_zerop): Ditto.
5575         (lambda_vector_equal): Ditto.
5576         (lambda_vector_min_nz): Ditto.
5577         (lambda_vector_first_nz): Ditto.
5578         (lambda_vector_matrix_mult): Ditto.
5579         * lambda-mat.c: New file.
5580         * Makefile.in (lambda-mat.o): New.
5581
5582 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
5583
5584         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
5585         after linking stmt into the program.
5586         (bsi_remove): Don't call modify_stmt.
5587         * tree-complex.c (update_complex_assignment,
5588         expand_complex_comparison): Call modify_stmt after changing the stmt.
5589         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
5590         removing the stmt.
5591         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
5592         the stmt, and only if needed.
5593         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
5594         expression.
5595         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
5596         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
5597         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
5598         (eliminate_redundant_computations): Don't pass an annotation. Call
5599         modify_stmt rather than setting the annotation directly.
5600         (record_equivalences_from_stmt): Remove unused local 'j'.
5601         (cprop_operand): Take a stmt rather than an annotation as a parameter.
5602         Call modify_stmt.
5603         (cprop_into_stmt): Pass stmt rather than annotation.
5604         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
5605         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
5606         modify_stmt.
5607         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
5608
5609 2004-08-10  Jason Merrill  <jason@redhat.com>
5610
5611         PR middle-end/16948
5612         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
5613         the RESULT_DECL.
5614
5615 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
5616
5617         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
5618         hash function.
5619
5620 2004-08-10  Roger Sayle  <roger@eyesopen.com>
5621
5622         * config/mips/mips.md: New reciprocal square root patterns that
5623         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
5624
5625 2004-08-10  Paul Brook  <paul@codesourcery.com>
5626
5627         * config/arm/arm-protos.h (arm_set_return_address,
5628         thumb_set_return_address): Add prototypes.
5629         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
5630         * config/arm/arm.c (arm_compute_func_type,
5631         use_return_insn, arm_compute_save_reg0_reg12_mask,
5632         arm_compute_save_reg_mask, arm_output_function_prologue,
5633         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
5634         current_function_calls_eh_return.
5635         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
5636         old eh code.
5637         (arm_set_return_address, thumb_set_return_address): New functions.
5638         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
5639         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
5640         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
5641         (epilogue): Use the stackadj register.
5642         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
5643
5644 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
5645
5646         PR target/3144
5647         * expr.c (move_by_pieces_ninsns): Add max_size argument.
5648         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
5649         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
5650         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
5651         but using MOVE_RATIO.
5652         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
5653         (can_store_by_pieces): Change max_size type to unsigned int.
5654         (store_by_pieces_1): Likewise.  Pass max_size to
5655         move_by_pieces_ninsns.
5656         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
5657         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
5658         to move_by_pieces_ninsns.
5659         (STORE_BY_PIECES_P): Define.
5660         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
5661         to move_by_pieces_ninsns.
5662         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
5663
5664         * config/i386/i386.h (CLEAR_RATIO): Define.
5665
5666 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5667
5668         * expr.c (expand_expr_real_1): Add back code that was not dead.
5669
5670 2004-08-09  Andrew Pinski  <apinski@apple.com>
5671
5672         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
5673         which is found to be compatible before returning the aliasing set.
5674
5675 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
5676
5677         * ggc-zone.c (struct alloc_zone): Add statistics counters.
5678         (always_collect): New flag.
5679         (ggc_alloc_zone_1): Update statistics support.  Don't include
5680         overhead in allocated counter.
5681         (sweep_pages): Update allocated counter for large pages.  Don'y
5682         include overhead.
5683         (ggc_collect_1): Always collect.
5684         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
5685         whether to collect.
5686         (SCALE, LABEL): New macros.
5687         (ggc_print_statistics): Add statistics support.
5688
5689 2004-08-09  Roger Sayle  <roger@eyesopen.com>
5690
5691         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
5692         (init_expmed): Fix potential overrun problem with "all.reg".
5693         (expand_sdiv2_pow2): Add an alternate implementation for signed
5694         division, if the target provides a suitable conditional move insn.
5695
5696 2004-08-09  Paul Brook  <paul@codesourcery.com>
5697         Richard Henderson  <rth@redhat.com>
5698
5699         * unwind-dw2.c (uw_install_context_1): Update target saved stack
5700         pointer.
5701
5702 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
5703
5704         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
5705         Check DATA limit only if there's no AS limit.  Ignore insanely
5706         low DATA limits.
5707         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
5708         but take care that the AS limit isn't overrun.
5709         * doc/invoke.texi: Update documentation of min-heapsize parameter.
5710
5711 2004-08-09  Jeff Law  <law@redhat.com>
5712
5713         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
5714         (tree-ssa-threadupdate.o): Add dependencies.
5715         * tree-ssa-threadupdate.c: New file.
5716         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
5717         (rewrite_vars_out_of_ssa): Remove prototype.
5718         (cleanup_tree_cfg): Returns a bool.
5719         * tree.h (thread_through_all_blocks): Prototype.
5720         * tree-outof-ssa.c  (SSANORM_*): Move into here.
5721         (remove_ssa_form): Now static.
5722         (rewrite_vars_out_of_ssa): Kill.
5723         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
5724         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
5725         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
5726         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
5727         anything was changed.
5728         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
5729         from the PHI's annotation rather than the edge associated with
5730         the new argument.
5731         * tree-ssa-dom.c (redirection_edges): Kill.
5732         (redirect_edges_and_update_ssa_graph): Kill.
5733         (tree_ssa_dominator_optimize): Do not reset forwardable flag
5734         for blocks anymore.  Do not initialize redirection_edges.
5735         Call thread_through_all_blocks.  Simplify code for cleanup
5736         of the CFG and iterating.  No longer call cleanup_tree_cfg
5737         outside the iteration loop.
5738         (thread_across_edge): No longer mess with forwardable blocks.
5739
5740 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
5741
5742         * explow.c (memory_address): Use memory_address_p.
5743         * recog.c (general_operand): Likewise.
5744         * regrename.c: No need to define REG_OK_STRICT.
5745
5746 2004-08-09  Steven Bosscher  <stevenb@suse.de>
5747
5748         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
5749         New timers.
5750         * gcse.c: Include timevar.h.
5751         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
5752         and global_copy_prop_count.
5753         (local_const_prop_count, local_copy_prop_count): New static globals.
5754         (gcse_main): Set the right timevar for each pass.
5755         (cprop_jump): Increment global_const_prop_count when a constant is
5756         propagated.  Add "GLOBAL" to dump output.
5757         (cprop_insn): Increment global_const_prop_count when a constant is
5758         propagated, or global_copy_prop_count when a copy is propagated.
5759         (do_local_cprop): Likewise for local_const_prop_count and
5760         local_copy_prop_count.
5761         (one_cprop_pass): Initialize const/cprop counters to zero.
5762         Print out results of local and global const/cprop separately.
5763         (bypass_block): Break over-length line.
5764         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
5765         for bb-reorder.o and tracer.o.
5766
5767 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5768
5769         * Makefile.in (GTFILES): Remove stmt.c
5770         (stmt.o): Do not depend on gt-stmt.h.
5771         * emit-rtl.c (emit_line_note): Do not call
5772         set_file_and_line_for_stmt.
5773         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
5774         do everything.
5775         * function.c (free_after_parsing): Do not free STMT field.
5776         (allocate_struct_function): Do not call init_stmt_for_function.
5777         (assign_stack_temp_for_type): Do not accept values of keep
5778         other than 0 or 1.
5779         (init_temp_slots): Do not initialize removed variables.
5780         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
5781         and X_VAR_TEMP_SLOT_LEVEL fields.
5782         * rtl.h (set_file_and_line_for_stmt): Remove.
5783         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
5784         struct stmt_status, cond_stack, case_stack, nesting_stack,
5785         nesting_depth, emit_locus, set_file_and_line_for_stmt,
5786         same_case_target_p, init_stmt_for_function, emit_nop,
5787         expand_start_cond, expand_start_elseif, expand_start_else,
5788         expand_elseif, expand_end_cond): Remove.
5789         (preserve_subexpressions_p): Remove references to CFUN->STMT.
5790         (expand_start_case, expand_end_case_type): Remove, merge into...
5791         (expand_case): ... this one, including other bits from
5792         expand_expr_real_1.  Inline same_case_target_p.  Turn members
5793         of CASE_STACK into local variables.
5794         (emit_case_bit_tests): Inline same_case_target_p.
5795         (add_case_node): Add HEAD argument, return new head of the list,
5796         do not handle default label here.
5797         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
5798         expand_start_elseif, current_nesting_level, expand_start_case,
5799         expand_end_case_type, expand_end_case, add_case_node,
5800         init_stmt_for_function, expand_elseif): Remove prototypes.
5801         (expand_case): Add prototype.
5802
5803 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5804
5805         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
5806
5807 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
5808
5809         * expr.c (var_rtx): Remove.
5810         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
5811         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
5812         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
5813         Abort.
5814         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
5815         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
5816         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
5817
5818 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
5819         Ayal Zaks <zaks@il.ibm.com>
5820
5821         * common.opt (freschedule-modulo-scheduled-loops): New flag.
5822         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
5823         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
5824         when -freschedule-modulo-scheduled-loops flag is not specified.
5825         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
5826         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
5827         More accurate placing of insn in row of partial schedule.
5828         (ps_insn_find_column): New function.
5829         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
5830         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
5831         (schedule_region): Use sched_is_disabled_for_current_region_p.
5832         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
5833
5834 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5835
5836         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
5837         change.
5838
5839 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
5840
5841         * config/i386/i386.c (ix86_expand_clrmem): Properly call
5842         gen_strset for 64bit target.
5843
5844 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
5845
5846         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
5847
5848 2004-08-07  Jason Merrill  <jason@redhat.com>
5849
5850         Make return in memory explicit.
5851         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
5852         (assign_parm_find_data_types): Remove code for old front end
5853         invisible reference handling.
5854         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
5855         (expand_function_end): Likewise.
5856         * gimplify.c (gimplify_return_expr): Handle a dereferenced
5857         RESULT_DECL.
5858         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
5859         (declare_return_variable): Handle DECL_BY_REFERENCE.
5860         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
5861         (cp_genericize_r): Use convert_from_reference.
5862         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
5863         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
5864
5865         * c-common.c (c_warn_unused_result): Check TREE_USED before
5866         warning about a CALL_EXPR with an unused value.
5867
5868 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5869
5870         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
5871         to the compiler.  Use -fshort-wchar by default.
5872
5873 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
5874
5875         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
5876         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
5877         threshhold.
5878         * doc/invoke.texi (param): Document min-crossjump-insns.
5879
5880 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
5881
5882         PR c/13282
5883         * c.opt (Wmissing-field-initializers): New option.
5884         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
5885         * c-typeck.c (pop_init_level): Guard the missing field warning with
5886         warn_missing_field_initializers rather than extra_warnings.
5887         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
5888         some of the explanation from...
5889         (-Wextra): ...here.  Say that the missing field warning can be
5890         seperately controlled by -Wmissing-field-initializers.
5891
5892 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
5893
5894         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
5895         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
5896         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
5897         * tree.def (ENTRY_VALUE_EXPR): Remove.
5898
5899 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
5900
5901         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
5902         the places where it is actually needed.  Don't use repz; stosb
5903         for -Os with sufficiently small constant sizes.
5904         For sufficiently small repz; stos{l,q} repeat counts use a sequence
5905         of stos{l,q} instructions instead.
5906
5907 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5908
5909         PR tree-optimization/16807
5910         * loop-iv.c (dump_iv_info): Dump invariants correctly.
5911         (iv_subreg, iv_extend): Express value of invariant purely in
5912         base field.
5913
5914 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
5915
5916         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
5917         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
5918
5919 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
5920
5921         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
5922         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
5923         pre_dec_operand.
5924         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
5925         pattern until reload is finished to allow better code generation
5926         and split them completely into separate instrunctions.
5927         (*andsi3_split): New pattern.
5928
5929 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
5930
5931         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
5932         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
5933         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5934         * tree.h (handle_dll_attribute): Declare.  Test
5935         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5936         * c-common.h (c_determine_visibility): Declare.
5937         * c-common.c (c_determine_visibility): New function.
5938         * c-decl.c (finish_decl): Use it.
5939         (finish_function): Likewise.
5940         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
5941         zero, by default.  Use #if, not #ifdef, to test it.
5942         * config/arm/arm.c (arm_attribute_table): Use
5943         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
5944         #if.
5945         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
5946         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5947         to 1.
5948         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
5949         * config/i386/i386.c (ix86_attribute_table): Use
5950         handle_dll_attribute for dllimport/dllexport.  Test
5951         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
5952         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
5953         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5954         it to 1.
5955         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
5956         with #if.
5957         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
5958         it to 1.
5959         * doc/extend.texi (dllexport): Clarify and correct documentation.
5960         (dllimport): Likewise.
5961         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
5962         handle_dll_attribute.
5963
5964 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5965
5966         * tree-ssa-loop-manip.c: New file.
5967         * Makefile.in (tree-ssa-loop-manip.o): Add.
5968         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
5969         Declare.
5970         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
5971         form.
5972         (tree_ssa_loop_done): Verify loop closed ssa form.
5973         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
5974
5975 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5976
5977         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
5978         pa_asm_output_aligned_local): New functions.
5979         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
5980         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
5981         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
5982         pa_asm_output_aligned_common.
5983         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5984         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
5985         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5986         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5987         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
5988         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
5989         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
5990         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
5991         common data.
5992
5993 2004-08-05  Andrew Pinski  <apinski@apple.com>
5994
5995         * objc/objc-act.c (build_objc_string_object): Mark the address
5996         expression as constant.
5997
5998 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
5999
6000         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
6001         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
6002         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
6003
6004 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6005
6006         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
6007         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
6008         out, and associated obsolete comments.
6009
6010 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
6011
6012         * tree.h (force_fit_type): Return a tree, take three flags.
6013         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
6014         TREE_CONSTANT_OVERFLOW here.
6015         (int_const_binop, const_binop): Adjust.
6016         (size_int_type): Do sign extension here.
6017         (fold_convert_const, optimize_bit_field_compare,
6018         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
6019         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
6020         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
6021
6022 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6023
6024         PR tree-optimization/16864
6025         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
6026         for ssa names without default_def.
6027
6028 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
6029
6030         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
6031         frame pointer, restore eax with an ebp-relative address.
6032
6033 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
6034
6035         PR 14516
6036         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
6037         * c-common.h (make_rtl_for_local_static): Delete.
6038         * c-decl.c (shadow_tag_warned): Clean up comment.
6039         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
6040         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
6041         * c-semantics.c (make_rtl_for_local_static): Delete.
6042         * expr.c (init_block_move_fn): Use set_user_assembler_name.
6043         (init_block_clear_fn): Likewise.
6044         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
6045         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
6046         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
6047         * tree.h (make_decl_rtl): Remove second parameter.
6048         (set_user_assembler_name): New.
6049         * varasm.c (set_user_assembler_name): New.
6050         (make_decl_rtl): Remove second parameter.  Update callers in many
6051         files.
6052
6053 2004-08-05  Adam Nemet  <anemet@lnxw.com>
6054
6055         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
6056         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
6057         to LynxOS 4.0.
6058         * gthr-lynx.h: New file.
6059         * config/lynx-ng.h: Remove file.
6060         * config/lynx.h: Update to LynxOS 4.0.
6061         * config/t-lynx: New file.
6062         * config/i386/lynx-ng.h: Remove file.
6063         * config/i386/lynx.h: Update to LynxOS 4.0.
6064         * config/rs6000/lynxbase.h: Remove file.
6065         * config/rs6000/lynx.h: Update to LynxOS 4.0.
6066         * config/rs6000/t-lynx: New file.
6067         * doc/install.texi (Options specification): Remove reference to
6068         LynxOS from systems where --with-gnu-as makes a difference.
6069
6070 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
6071
6072         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
6073         __UINTMAX_TYPE__.
6074         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
6075         __INTMAX_MAX__.
6076         (c_cpp_builtins): Call it.
6077         * doc/cpp.texi: Update.
6078
6079 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
6080
6081         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
6082         cost.
6083
6084 2004-08-04  Jan Hubicka  <jh@suse.cz>
6085
6086         * basic-block.h (profile_staus): New global variable.
6087         * cfg.c (profile_status): Declare.
6088         (check_bb_profile): Break out from ....; use profile_status
6089         (dump_flow_info): ... here.
6090         * cfgbuild.c (find_basic_blocks): Set profile_status.
6091         * cfgexpand.c (tree_expand_cfg): Likewise.
6092         * predict.c (estimate_probability): Likewise.
6093         * profile.c (branch_prob): Likewise.
6094         * tree-cfg.c (build_tree_cfg): Likewise.
6095         (dump_function_to_file): Use check_bb_profile.
6096         * tree-pretty-print (dump_bb_header): Likewise.
6097         * tree-profile.c (do_tree_profiling): Cleanup.
6098
6099 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
6100
6101         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
6102         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
6103         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
6104         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
6105         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
6106         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
6107         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
6108         (ggc-none.o, errors.o): Move rule to generators section;
6109         correct dependencies.
6110         (min-insn-modes.o): Move rule to generators section; remove
6111         unnecessary explicit command; correct dependencies.
6112         (print-rtl.o, print-rtl1.o): Correct dependencies.
6113         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
6114         (mostlyclean): Update.
6115
6116         * errors.c: Include bconfig.h not config.h.  Correct comment.
6117         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
6118         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
6119         * print-rtl.c: Don't include tm_p.h.
6120
6121         * rtl.h: Move forward-decl of struct function down where it's
6122         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
6123         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
6124
6125 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6126             Jeff Law  <law@redhat.com>
6127
6128         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
6129         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
6130         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
6131         manipulate the duplicated ssa names.
6132         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
6133         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
6134         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
6135         New functions.
6136         (release_ssa_name): Do not release ssa names that may have multiple
6137         definitions.
6138         * tree.h (release_ssa_name_force, mark_for_rewrite,
6139         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
6140         marked_ssa_names): Declare.
6141         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
6142         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
6143         Update call to rewrite_ssa_into_ssa.
6144
6145 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
6146
6147         * defaults.h (TARGET_DECLSPEC): New macro.
6148         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
6149         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
6150         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
6151         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
6152         __declspec support.
6153         (TARGET_DECLSPEC): Define.
6154         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
6155         __declspec support.
6156         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
6157         __declspec support.
6158         (TARGET_DECLSPEC): Define.
6159         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
6160         __declspec support.
6161         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
6162         support.
6163         * doc/tm.texi (TARGET_DECLSPEC): Document.
6164
6165         * doc/extend.texi: Fix typo in comment.
6166
6167 2004-08-04  Paul Brook  <paul@codesourcery.com>
6168
6169         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
6170         (TARGET_CXX): Use it.
6171         * target.h (struct gcc_target): Add cdtor_returns_this.
6172         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
6173         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
6174         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
6175
6176 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
6177
6178         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
6179         low/high pair. Do range checking directly.
6180         (interpret_integer): Adjust.
6181
6182 2004-08-04  Nick Clifton  <nickc@redhat.com>
6183
6184         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
6185         GCC ABI.
6186         * doc/invoke.texi: Document this new switch and also the -mrenesas
6187         switch.
6188
6189 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
6190
6191         * cfglayout.c (insn_locators_initialize): Update the current
6192         location before initializing a location.
6193
6194 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
6195
6196         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
6197         (dbxout_function_end): Return after emitting the "Lscope" symbol
6198         under the same conditions that this function formerly wasn't called.
6199         Add explanatory comments.
6200
6201         PR 14860
6202         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
6203         on the new decl.
6204
6205         PR 13956
6206         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
6207         functions, broken out of dbxout_block.
6208         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
6209         stabs too, if it contains symbols.  Use the begin_label and
6210         the Lscope label (emitted by dbxout_function_end) for the
6211         range of this block.
6212
6213 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
6214
6215         * doc/install.texi: Update autoconf version requirements.
6216
6217 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
6218
6219         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
6220         * recog.c (general_operand, immediate_operand, nonmemory_operand)
6221         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
6222         * regclass.c (record_reg_classes): Likewise.
6223         * reload.c (find_reloads): Likewise.
6224         * reload1.c (reload): Likewise.
6225
6226 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
6227
6228         * gensupport.c (init_md_reader_args_cb): Renamed from
6229         init_md_reader_args.  Add third option, callback function for
6230         parsing program-specific options.  Add diagnosis of incorrect
6231         number of input files.
6232         (init_md_reader): Fold into init_md_reader_args_cb.
6233         (init_md_reader_args): Now a thin wrapper around
6234         init_md_reader_args_cb.
6235         * gensupport.h: Update prototypes.
6236
6237         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6238         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6239         * genrecog.c: No need to diagnose lack of an input file;
6240         init_md_reader_args will handle it.
6241         * genconditions.c: Likewise, and use init_md_reader_args.
6242         * genconstants.c: Likewise, and no need to call read_md_rtx.
6243
6244 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
6245
6246         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
6247         declarations.
6248
6249 2004-08-03  Mike Stump  <mrs@apple.com>
6250
6251         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
6252         for frameworks.
6253         * doc/invoke.texi (Darwin Options): Update to reflect above.
6254
6255 2004-08-03  Roger Sayle  <roger@eyesopen.com>
6256
6257         PR middle-end/16790
6258         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
6259         truncations, not just global truncations.
6260
6261 2004-08-03  Andrew Pinski  <apinski@apple.com>
6262
6263         PR bootstrap/16865
6264         * loop-iv.c (simplify_using_assignment): Initialize lhs.
6265
6266 2004-08-03  Paul Brook  <paul@codesourcery.com>
6267
6268         * gcc/doc/install.texi: Document MPFR requirement.
6269
6270 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
6271
6272         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
6273         and mmap() explicitly instead of relying on preset autoconf cache
6274         variables.
6275         * configure: Regenerate.
6276
6277 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
6278
6279         PR target/16570
6280         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
6281         to tmake_file.
6282         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
6283         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
6284         to tmake_file.
6285
6286         * config/i386/t-gmm_malloc: New file.
6287         * config/i386/t-pmm_malloc: Likewise.
6288
6289         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
6290
6291 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
6292             Tanguy Fautrà <tfautre@pandora.be>
6293
6294         * config/i386/pmm_malloc.h: New file.
6295
6296 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
6297
6298         * config/i386/gmm_malloc.h: New file.
6299
6300 2004-08-03  Dale Johannesen  <dalej@apple.com>
6301
6302         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
6303         * c-common.c: Include opts.h.
6304         (c_common_get_alias_set): Fix check for a single input file.
6305         * toplev.c: Remove current_file_decl.
6306         * tree.h: Ditto.
6307
6308 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
6309
6310         * config.gcc (arm*-*-symbianelf*): New target.
6311         * config/arm/symbian.h: New file.
6312
6313         * gthr-gnat.c: Add visibility #pragmas.
6314         * gthr-gnat.h : Likewise.
6315         * gthr.h: Likewise.
6316         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
6317         (__ffsDI2): Likewise.
6318         (__clzSI2): Likewise.
6319         (__ctzSI2): Likewise.
6320         (__ctzDI2): Likewise.
6321         (__popcountSI2): Likewise.
6322         (__popcountDI2): Likewise.
6323         (__paritySI2): Likewise.
6324         (__parityDI2): Likewise.
6325         * libgcc2.h: Add visibility #pragmas.
6326         (__clzDI2): Add prototype.
6327         (__clzSI2): Likewise.
6328         (__ctzSI2): Likewise.
6329         (__ffsDI2): Likewise.
6330         (__ffsSI2): Likewise.
6331         (__ctzDI2): Likewise.
6332         (__popcountSI2): Likewise.
6333         (__popcountDI2): Likewise.
6334         (__paritySI2): Likewise.
6335         (__parityDI2): Likewise.
6336         * unwind-dw2-fde.h: Add visibility #pragmas.
6337         * unwind.h: Likewise.
6338
6339 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
6340             Dale Johannesen  <dalej@apple.com>
6341             Roger Sayle  <roger@eyesopen.com>
6342
6343         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
6344         constants more accurately.  Adjust costs for FMA instructions.
6345         Add cases for most logical and float operations.  Recurse into
6346         most operands.
6347
6348 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
6349
6350         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
6351
6352 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
6353
6354         * ra-build.c (conflicts_between_webs): For webs that cross a call add
6355         conflicts to regs_invalidated_by_call.
6356
6357 2004-08-03  Paul Brook  <paul@codesourcery.com>
6358
6359         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
6360
6361 2004-08-03  Jan Hubicka  <jh@suse.cz>
6362
6363         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
6364         ARRAY_REF argument.
6365
6366 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
6367
6368         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
6369         arm968es, arm10e, arm1020e, arm1022e.
6370         * invoke.texi: Update list of ARM cores.
6371         * arm-tune.md: Regenerate.
6372
6373 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
6374
6375         * arm/gentune.sh: New file.
6376         * arm/t-arm: New file.
6377         * arm/arm-tune.md: New file (autogenerated).
6378         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
6379         * arm.md (attribute tune): Delete.  Include arm-tune.md.
6380
6381 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
6382
6383         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
6384         penultimate parameter.  All callers adjusted.
6385         (struct prefix_list): Remove used_flag_ptr.
6386         (find_a_file): Do not set *pl->used_flag_ptr.
6387         (warn_B, warn_std_ptr): Remove.
6388
6389 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
6390             Mostafa Hagog <mustafa@il.ibm.com>
6391
6392         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
6393
6394 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
6395
6396         * dwarf2out.c (output_call_frame_info): Don't change data format
6397         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
6398         label.  Use 'true' not '1'.
6399         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
6400         required.
6401
6402 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
6403
6404         * gdbinit.in: Reflect previous changes to rtunion_def.
6405
6406 2004-08-02  Roger Sayle  <roger@eyesopen.com>
6407
6408         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
6409         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
6410
6411 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6412
6413         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
6414         vec_p_reserve.
6415         * langhooks.h (lang_hooks::builtin_function): Rename parameter
6416         from "class" to "bt_class".
6417
6418 2004-08-02  Paul Brook  <paul@codesourcery.com>
6419
6420         PR rtl-optimization/15068
6421         * flow.c (init_propagate_block_info): Check condition is reversible.
6422
6423 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6424
6425         * gengtype.h (options::info): Change type to const char *.
6426         (enum gc_used_enum): Move out of struct type scope.
6427         * gengtype.c (create_option): Convert initializer for option::info to
6428         appropiate type.
6429         (adjust_field_type, walk_type, write_func_for_structure,
6430         write_root, write_roots): Remove pointless cast.
6431
6432 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
6433
6434         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
6435
6436 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6437
6438         * rtl.h (union rtunion_def): Have all members  start with the
6439         prefix "rt_".
6440         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
6441         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
6442         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
6443         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
6444         access.
6445         * gengtype.c (adjust_field_rtx_def): Likewise.
6446         * rtlanal.c (loc_mentioned_in_p): Likewise.
6447
6448 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
6449
6450         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
6451         Replace uses of mips/elf64.h with mips/elf.h
6452         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
6453         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
6454         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
6455         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
6456         (HANDLE_SYSV_PRAGMA): Delete.
6457         (ASM_OUTPUT_DEF): Fix formatting.
6458         * config/mips/elf64.h: Delete.
6459
6460 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
6461
6462         * config/ia64/ia64.c (got_symbolic_operand): Do require a
6463         symbol+offset operand to have its offset be zero mod 0x3fff
6464         when GOT entries are in use.  Clarify logic in SYMBOL_REF
6465         case.  Clarify comments.
6466         (ia64_expand_load_address): Split a symbol+offset load when
6467         the offset is nonzero mod 0x3fff, not 0x1fff.
6468
6469 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
6470
6471         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
6472         if trying to *store* to a non-offsettable address.
6473         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
6474         a nonoffsettable address.
6475         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
6476         Clean up.
6477         (movti_string): Don't move GPRs to a nonoffsettable address.
6478         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
6479
6480 2004-08-02  Ben Elliston  <bje@au.ibm.com>
6481
6482         PR target/16155
6483         * config/rs6000/altivec.h: Replace typeof with __typeof__.
6484
6485 2004-08-01  Richard Henderson  <rth@redhat.com>
6486
6487         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
6488         variable sized types.
6489
6490 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6491
6492         * doc/invoke.texi: In the MIPS options section, remove the passage
6493         saying that -mexplicit-relocs is usually disabled for -mabicalls
6494         -fno-unit-at-a-time.
6495         * config/mips/mips.c (override_options): Remove the code that enforced
6496         this rule.
6497
6498 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6499
6500         * config/mips/mips.md (cprestore): Provide two alternatives, one for
6501         an in-range offset and one for an out-of-range offset.  Wrap the latter
6502         in .set macro/.set nomacro if it's inside a .set nomacro block.
6503
6504 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
6505
6506         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
6507         (mips_restore_gp): Declare.
6508         * config/mips/mips.c (mips_add_offset): Add a scratch register
6509         argument.  Reimplement in rtl only, reusing MIPS16 logic from
6510         mips_output_mi_thunk.
6511         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
6512         to mips_add_offset.
6513         (mips_gp_save_slot): Delete.
6514         (mips_restore_gp): New function.
6515         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
6516         * config/mips/mips.md (exception_receiver): Turn into a
6517         define_insn_and_split.  Use mips_restore_gp to do the split.
6518         (call_internal, call_value_internal, call_value_multiple_internal): Use
6519         mips_restore_gp to restore $gp.
6520
6521 2004-07-31  Andrew Pinski  <apinski@apple.com>
6522
6523         PR other/16842
6524         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
6525
6526 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
6527
6528         * c-decl.c (diagnose_mismatched_decls): Give error for external
6529         redeclaration of identifier declared with no linkage, not just
6530         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
6531         error for redeclaration with no linkage.
6532
6533 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
6534             Fariborz Jahanian <fjahanian@apple.com>
6535
6536         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
6537         non-offsettable addresses even for DImode.
6538         (rs6000_split_multireg_move): Cope with non-offsettable addresses
6539         being moved into multiple GPRs.
6540
6541         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
6542         to 64.
6543         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
6544         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
6545         to 128.
6546         * config/rs6000/darwin-ldouble.c (isless): New macro.
6547         (inf): New macro.
6548         (nonfinite): New macro.
6549         (FPKINF): Delete.
6550         (_xlqadd): Completely rewrite.
6551         (_xlqmul): Correct overflow handling.
6552         (_xlqdiv): Correct overflow handling.
6553         * config/rs6000/darwin-ldouble-format: New file.
6554
6555 2004-07-30  Roger Sayle  <roger@eyesopen.com>
6556             Richard Henderson  <rth@redhat.com>
6557
6558         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
6559         9 into the equivalent lea instruction.
6560
6561 2004-07-30  Richard Henderson  <rth@redhat.com>
6562
6563         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
6564         with DECL_INITIAL if fb_lvalue.
6565         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
6566         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
6567         with <Cxxx>.
6568         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
6569
6570 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6571
6572         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
6573         pointer escapes through a function call, assume that the
6574         callee will dereference it.
6575         (add_pointed_to_var): Assume that VALUE is always an
6576         ADDR_EXPR.
6577         (collect_points_to_info_r): Only call add_pointed_to_var if
6578         the value is an ADDR_EXPR.
6579
6580 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
6581
6582         * tree-ssa-alias.c (create_alias_map_for): Do not get the
6583         alias set of the inner type of ARRAY_TYPEs.
6584
6585 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6586
6587         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
6588         setting a non-register to UNDEFINED right before the call to
6589         set_lattice_value.
6590
6591 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6592
6593         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
6594
6595 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6596
6597         * tree-ssa.c (verify_flow_sensitive_alias_info): When
6598         comparing points-to sets of different pointers, make sure the
6599         second pointer is actually referenced in the code.
6600
6601 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
6602
6603         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
6604         (got_symbolic_operand): Remove unreachable code.
6605         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
6606         setjmp_operand; add entry for tls_symbolic_operand.
6607         * config/ia64/ia64-protos.h: Remove all prototypes of
6608         predicate functions.
6609
6610 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
6611
6612         * c-common.h (lang_post_pch_load): New variable.
6613         * c-pch.c (lang_post_pch_load): Define it.
6614         (c_common_read_pch): Use it.
6615         * cgraphunit.c (record_call_1): Give the front end a chance to
6616         record additional needed entities when a variable is marked as
6617         needed.
6618         * tlink.c (recompile_files): Robustify.
6619         (scan_linker_output): If a symbol is assigned to a file,
6620         but after recompilation is not present there, issue an error
6621         message.
6622
6623 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6624
6625         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
6626         Take orig_loop argument and pass it to set_level.
6627         (schedule_sm): Pass the correct orig_loop to force_move_till.
6628
6629 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6630
6631         * cfgloop.c (update_latch_info): Update dominator of the new block.
6632         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
6633         info.
6634         * dominance.c (verify_dominators): Check that the dominance tree is
6635         connected.
6636         (recount_dominator): Ignore unreachable blocks.
6637         (iterate_fix_dominators): Cleanup old dominance information before
6638         recomputing it.
6639
6640 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
6641
6642         * tree-ssa-operands.c (get_expr_operands): Revert changes
6643         to ADDR_EXPR processing introduced by:
6644             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6645             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
6646
6647 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
6648
6649         * doc/implement-c.texi: Add C90 subclause references.  Point to
6650         preprocessor documentation instead of duplicating it.  Add points
6651         only present in C90.  Fill in documentation for all points.
6652
6653 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6654
6655         * pa.c (output_movb): Correct typo.
6656
6657 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
6658
6659         * ra.h (single_reg_in_regclass): Declare.
6660         * ra.c (single_reg_in_regclass): Define.
6661         (first_hard_reg): New.
6662         (init_ra): Initialize single_reg_in_regclass.
6663         * ra-colorize.c (ok_class): New.
6664         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
6665
6666 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
6667
6668         * gcov-io.h: Allow zero tag as EOF indicator.
6669         (gcov_is_eof): Remove.
6670         (gcov_truncate): Remove.
6671         * gcov-io.c (gcov_seek): Always SEEK_SET.
6672         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
6673         EOF tag.
6674         * coverage.c (read_counts_file): Don't use gcov_is_eof.
6675         * gcov-dump.c (dump_file): Likewise.
6676         * gcov.c (read_graph_file, read_count_file): Likewise.
6677
6678         * c-decl.c (complete_array_type): Don't gratuitously copy
6679         maxindex.  Check it always has a type.
6680
6681 2004-07-29  Steven Bosscher  <stevenb@suse.de>
6682
6683         * rtl.c (currently_expanding_to_rtl): New.
6684         * rtl.h (currently_expanding_to_rtl): Export it.
6685         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
6686
6687         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
6688         inliner hack.
6689         * config/sh/sh.c: Replace rtx_equal_function_value_matters
6690         with currently_expanding_to_rtl.
6691         * config/sh/sh.md: Likewise.
6692         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
6693
6694 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6695
6696         Introduce sh2a support.
6697         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
6698         * config.gcc: Build multilibs for sh2a and sh2a-single by
6699         default.
6700         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
6701         default.  Split their tests out of the corresponding SH4
6702         multilibs.
6703         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
6704         multilibs for SH2a.
6705         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6706         * config.gcc: Handle sh2a multilibs and cpu selection.
6707         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
6708         * config/sh/t-mlib-sh2a: New.
6709         * config/sh/t-mlib-sh2a-nofpu: New.
6710         * config/sh/t-mlib-sh2a-single: New.
6711         * config/sh/t-mlib-sh2a-single-only: New.
6712         2004-07-09  Nick Clifton  <nickc@redhat.com>
6713         Issue 43400
6714         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
6715         -ml and -m2a are used together.
6716         2004-03-23  DJ Delorie  <dj@redhat.com>
6717         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
6718         when we have a double-sized FPU.
6719         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6720         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
6721         is set.
6722         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
6723         -msh2a-single and -msh2a-single-only
6724         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
6725         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
6726         is set.
6727         2004-02-20  DJ Delorie  <dj@delorie.com>
6728         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
6729         2004-02-20  Fred Fish <fnf@redhat.com>,
6730         Corinna Vinschen <vinschen@redhat.com>
6731         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
6732         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
6733         2004-02-18  DJ Delorie  <dj@redhat.com>
6734         * config/sh/sh.c (broken_move): Add support for movi20.
6735         * config/sh/sh.h: Likewise.
6736         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
6737         * config/sh/sh.md (udivsi3_sh2a): New.
6738         (udivsi3): Call it.
6739         (divsi3_sh2a): New.
6740         (divsi3): Call it.
6741         (mul_r): New.
6742         (ashlsi3_sh2a): New.
6743         (ashrsi3_sh2a): New.
6744         (lshrsi3_sh2a): New.
6745         (movsi_i): Disable for sh2a.
6746         (movsi_ie): Add movi20.
6747         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
6748         sh2a, for -m2a-nofpu mode.
6749         2004-02-13  DJ Delorie  <dj@redhat.com>
6750         * config/sh/lib1funcs.asm: Handle double vs single better.
6751         * config/sh/sh.h: Likewise.
6752         2004-02-09  DJ Delorie  <dj@redhat.com>
6753         * config/sh/crt1.asm: Add support for sh2a.
6754         * config/sh/elf.h: Likewise.
6755         * config/sh/lib1funcs.asm: Likewise.
6756         * config/sh/sh.c: Likewise.
6757         * config/sh/sh.md: Likewise.
6758         * config/sh/sh.h: Likewise.
6759         * config/sh/t-sh: Likewise.
6760
6761 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6762
6763         * config/frv/frv.md (movqi_internal, movhi_internal,
6764         movsi_internal): Add backup alternatives for memory inputs.
6765
6766 2004-07-28  Matt Austern  <austern@apple.com>
6767
6768         * config/darwin.c (darwin_one_byte_bool): New global variable.
6769         * config/darwin.h (darwin_one_byte_bool): Declare.
6770         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
6771         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
6772         value of darwin_one_byte_bool.
6773         * doc/invoke.texi: Document -mone-byte-bool flag.
6774
6775 2004-07-28  Eric Christopher  <echristo@redhat.com>
6776
6777         * c-common.c (c_common_unsafe_for_reeval): Delete.
6778         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
6779         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
6780         * calls.c (fix_unsafe_tree): Delete.
6781         (expand_call): Delete code which used above.
6782         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
6783         * expr.c (expand_expr_real_1): Ditto.
6784         * fold-const.c (non_lvalue): Ditto.
6785         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6786         (lhd_unsafe_for_reeval): Ditto.
6787         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
6788         * langhooks.h (unsafe_for_reeval): Ditto.
6789         (unsave_expr_now): Adjust comment.
6790         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
6791         (estimate_num_insns_1): Ditto.
6792         * tree-pretty-print.c (dump_generic_node): Ditto.
6793         * tree.c (expr_align): Ditto.
6794         (unsave_expr): Delete.
6795         (unsafe_for_reeval): Ditto.
6796         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
6797         * tree.def (UNSAVE_EXPR): Delete.
6798         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
6799
6800 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
6801
6802         * tree.h (enum tls_model): Move ...
6803         * coretypes.h: ... here.
6804
6805 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
6806
6807         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
6808
6809 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6810
6811         * cse.c (validate_canon_reg): New function, split out from...
6812         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
6813
6814 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6815
6816         * tree-ssa-alias.c (maybe_create_global_var): Don't just
6817         return if .GLOBAL_VAR has been created.
6818
6819 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6820
6821         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
6822         every variable that may have aliases, not just tags.
6823
6824 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
6825
6826         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
6827         move_from_CR_eq_bit.
6828         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
6829
6830
6831         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
6832         e500_flip_eq_bit.
6833
6834         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
6835         output_e500_flip_eq_bit.
6836
6837         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
6838         output_e500_flip_eq_bit.
6839         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
6840         output_e500_flip_eq_bit.
6841         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
6842         (print_operand): case D.  Get to EQ bit.
6843
6844 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
6845
6846         * gcov.c (function_summary): Add missing \n.
6847
6848 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
6849
6850         Introduce sh4a support.
6851         * config.gcc: Handle sh4a multilibs and cpu selection.
6852         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
6853         * config/sh/t-mlib-sh4a: New.
6854         * config/sh/t-mlib-sh4al: New.
6855         * config/sh/t-mlib-sh4a-nofpu: New.
6856         * config/sh/t-mlib-sh4a-single: New.
6857         * config/sh/t-mlib-sh4a-single-only: New.
6858         2004-02-20  DJ Delorie  <dj@redhat.com>
6859         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
6860         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
6861         2003-08-22  Eric Christopher  <echristo@redhat.com>
6862         * config/sh/sh4a.md: Update for chip errata.
6863         2003-08-07  Eric Christopher  <echristo@redhat.com>
6864         * config/sh/sh4a.md: New file. sh4a processor description.
6865         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
6866         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
6867         of -m4a-nofpu.
6868         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
6869         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
6870         * doc/invoke.texi (SH Options): Document -m4al.
6871         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
6872         * config/sh/sh.c (expand_block_move): Remove commented-out code
6873         checked in by mistake.
6874         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
6875         single elements from SFmode vectors.
6876         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
6877         register.
6878         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
6879         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
6880         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
6881         sh_fsca_int2sf): Remove variable declarations.
6882         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6883         sh_fsca_int2sf): New functions.
6884         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
6885         sh_fsca_int2sf_rtx): New static variables.
6886         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
6887         sh_fsca_int2sf): Declare.
6888         * config/sh/sh.md: Adjust.
6889         * doc/invoke.texi (SH Options): Document new options.
6890         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
6891         compatibility from SH4 code.
6892         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
6893         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
6894         early.
6895         (memory_movsrc_operand): Renamed to...
6896         (unaligned_load_operand): ... this.  Simplified.
6897         * config/sh/sh.h (PREDICATE_CODES): Adjust.
6898         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
6899         input operand to SImode, and adjust the others.  Introduce
6900         post-increment by peephole.
6901         * config/sh/sh.c (expand_block_move): Give the target address the
6902         same mode as the temp reg.
6903         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
6904         copying.
6905         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
6906         Introduce support for SH4a.
6907         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
6908         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
6909         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
6910         sh_fsca_int2sf): New.
6911         (sh_init_builtins): Initialize them.
6912         (print_operand): Support `d'.
6913         (expand_block_move): Use movua if src is misaligned.
6914         (memory_movsrc_operand): New.
6915         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
6916         and one of the SH4 macros.
6917         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
6918         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
6919         SELECT_SH4A_SINGLE): New.
6920         (TARGET_NONE): Add SH4A_BIT.
6921         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
6922         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
6923         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
6924         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
6925         (enum processor_type): Added PROCESSOR_SH4A.
6926         (PREDICATE_CODES): Add memory_movsrc_operand.
6927         * config/sh/sh.md: Removed unused variables.
6928         (attr cpu): Add sh4a.
6929         (attr type): Add movua, fsrra and fsca.
6930         (prefetch): New, for SH4.
6931         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
6932         (toggle_sz): Set type to fp.
6933         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
6934         (movua, extv, extzv): New.
6935         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
6936         and 4a-single-only.
6937
6938 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6939
6940         * tree-optimize.c (init_tree_optimization_passes): Schedule
6941         pass_may_alias right after the program is renamed into SSA.
6942         * tree-pass.h (PROP_alias): Define.
6943         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
6944         * tree-sra.c (pass_sra): Likewise.
6945         * tree-ssa-ccp.c (pass_ccp): Likewise.
6946         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
6947         * tree-ssa-dce.c (pass_dce): Likewise.
6948         * tree-ssa-dom.c (pass_dominator): Likewise.
6949         * tree-ssa-dse.c (pass_dse): Likewise.
6950         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
6951         * tree-ssa-loop-ch.c (pass_ch): Likewise.
6952         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
6953         * tree-ssa-pre.c (pass_pre): Likewise.
6954         * tree-tailcall.c (pass_tail_recursion): Likewise.
6955         * tree-ssa.c (pass_redundant_phi): Likewise.
6956         * tree-ssa-alias.c (aliases_computed_p): Remove.
6957         Update all users.
6958         (init_alias_info): Do not mark all type tags for renaming
6959         unconditionally.
6960         Clear may_aliases from every symbol.
6961         (setup_pointers_and_addressables): If a pointer has not been
6962         dereferenced and it had a type tag, clear it and mark the old
6963         tag for renaming.
6964
6965 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
6966
6967         PR tree-optimization/16705
6968         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
6969         .GLOBAL_VAR.
6970
6971 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6972
6973         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
6974         check.
6975
6976         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
6977         don't make another one.
6978
6979         PR optimization/15077
6980         * function.h (struct function): Add field saved_static_chain_decl.
6981         Fix comment for static_chain_decl.
6982         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
6983         * tree-inline.h (save_body): Add new arg.
6984         * tree-optimize.c (tree_rest_of_compilation): Handle saving
6985         static_chain_decl.
6986
6987 2004-07-27  Richard Henderson  <rth@redhat.com>
6988
6989         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
6990         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
6991         is_gimple_addressable.
6992         * tree-gimple.c (is_gimple_addressable): Rename from
6993         is_gimple_addr_expr_arg; accept INDIRECT_REF.
6994         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
6995         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
6996         rename to is_gimple_addressable.
6997
6998 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
6999
7000         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
7001
7002 2004-07-27  Richard Henderson  <rth@redhat.com>
7003
7004         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
7005         before rounding.
7006
7007 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
7008
7009         * libgcc2.c: Change all conditionals testing
7010         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
7011         * libgcc2.h: Likewise.
7012         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
7013         TYPE_PRECISION of float80_type to 80.
7014         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
7015         of fpreg_type and float80_type to 80.
7016         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
7017         * config/m68k/netbsd-elf.h:
7018         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
7019         to evaluate to 80 whenever they would formerly have evaluated to 96.
7020         * config/i386/sco5.h: Remove unnecessary redefinition of
7021         LONG_DOUBLE_TYPE_SIZE.
7022         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
7023         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
7024         XFmode, with a bitsize of 80.  Update commentary.
7025         * config/ia64/ia64-modes.def: Likewise.
7026         * config/m68k/m68k-modes.def: Likewise.
7027
7028 2004-07-27  Steven Bosscher  <stevenb@suse.de>
7029
7030         * cfgexpand.c (tree_expand_cfg): Fix comment.
7031
7032         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
7033         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
7034         Remove.
7035         (prepare_function_start): Don't set rtx_equal_function_value_matters.
7036         * integrate.c (copy_rtx_and_substitute): Don't test for it.
7037         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
7038         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
7039         here again.  Update leading comment.
7040         * rtl.c (rtx_equal_function_value_matters): Remove.
7041         (rtx_equal_p): Don't test for it.
7042         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
7043         Likewise.
7044
7045         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
7046         * rtl.c (note_insn_name): Likewise.
7047         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
7048         * final.c (final_scan_insn): Likewise.
7049
7050         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
7051         * passes.c (rest_of_handle_eh): Do it here.
7052
7053         * stmt.c (struct nesting): Remove struct nesting block member.
7054         (struct stmt_status): Remove x_block_start_count field.
7055         (current_block_start_count): Remove.
7056
7057 2004-07-27  Brian Booth  <bbooth@redhat.com>
7058
7059         * tree-optimize.c (register_one_dump_file): Update condition that uses
7060         static_pass_number.
7061         (dup_pass_1): Replace with...
7062         (next_pass_1): This.
7063         (NEXT_PASS): Call next_pass_1.
7064         (DUP_PASS): Remove.
7065         (init_tree_optimization_passes): Remove uses of DUP_PASS.
7066         (execute_one_pass): Update condition that uses
7067         static_pass_number.
7068         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
7069         integer.
7070
7071 2004-07-27  Nick Clifton  <nickc@redhat.com>
7072
7073         * config/m32r/m32r.c: Include integrate.h in order to get the
7074         prototype for get_hard_reg_initial_val().
7075
7076         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
7077         and tidy up indentation.
7078         (final_presence_set): Use absence_set instead, so that if there is
7079         nothing in the "o" pipe the "s" pipe can be scheduled.
7080
7081 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
7082
7083         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
7084         don't have PT_VARS nor PT_MALLOC set.
7085         Clear name tag from pointers that have not been dereferenced.
7086         (set_pt_anything, set_pt_malloc): Forward declare.
7087         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
7088         not type compatibility when determining if a pointer can be
7089         copy propagated.
7090
7091 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
7092
7093         * expr.h (canonicalize_condition, get_condition): Add an int argument.
7094         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
7095         it to check whether the condition is still valid at the jump insn.
7096         * ifcvt.c (noce_get_condition): Likewise.
7097         (noce_get_alt_condition): Update call to canonicalize_condition.
7098         * loop-iv.c (simplify_using_initial_values): Update call to
7099         get_condition.  Remove FIXME.
7100         (check_simple_exit): Update call to get_condition.
7101         * loop-unswitch.c (may_unswitch_on): Likewise.
7102         * loop.c (check_dbra_loop): Likewise.
7103         (canonicalize_condition, get_condition): Add an argument to say whether
7104         the condition must still be valid at INSN.
7105         (get_condition_for_loop): Update call to get_condition.  Require that
7106         the condition be valid at INSN.
7107         * predict.c (estimate_probability): Update call to get_condition.
7108         Remove unused earliest parameter.
7109         (expected_value_to_br_prob): Update call to canonicalize_condition.
7110
7111 2004-07-26  Eric Christopher  <echristo@redhat.com>
7112
7113         * tree-dfa.c (add_referenced_var): Register initializers of global
7114         variables.
7115
7116 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
7117
7118         * config/i386/i386.c (function_arg): Always treat 8-
7119         and 16-byte wide vectors the same, even if MMX/SSE
7120         are disabled.
7121         (contains_128bit_aligned_vector_p): Add comment.
7122
7123 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
7124
7125         * ra.h (enum node_type): Rename to:
7126         (enum ra_node_type).
7127         * ra-colorize.c: Likewise.
7128
7129 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
7130
7131         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
7132         after simplifying the jump.
7133
7134 2004-06-26  Richard Henderson  <rth@redhat.com>
7135
7136         * calls.c (combine_pending_stack_adjustment_and_call): Make
7137         preferred_unit_stack_boundary argument unsigned.  Make
7138         unadjusted_alignment unsigned.
7139         (expand_call): Make preferred_stack_boundary and
7140         preferred_unit_stack_boundary variables unsigned.
7141         * function.c (assign_stack_local_1): Make alignment unsigned.
7142         * function.h (struct function): Make stack_alignment_needed,
7143         preferred_stack_boundary unsigned.
7144         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
7145         (ix86_compute_frame_layout): Make stack_alignment_needed,
7146         preferred_alignment variables unsigned.
7147         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
7148
7149 2004-07-26  Tom Tromey  <tromey@redhat.com>
7150
7151         * tree.h: Fix typo in comment.
7152
7153 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
7154
7155         PR bootstrap/12804
7156         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
7157         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
7158         (ggc_free): Remove incorrect freeing.
7159         (sweep_pages): Advance PP for large pages.  Fix indentation.
7160
7161 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
7162
7163         PR rtl-optimization/16643
7164         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
7165         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
7166         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
7167         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
7168         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
7169         * function.c (thread_prologue_and_epilogue_insns): Likewise.
7170         * rtl.h (tracer): Add a flags parameter.
7171         * tracer.c (tracer): Pass it to cfg_layout_initialise.
7172         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
7173         (rest_of_handle_reorder_blocks): Update calls to tracer and
7174         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
7175         (rest_of_handle_tracer): Pass 0 to tracer.
7176         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
7177
7178 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
7179
7180         PR target/16239
7181         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
7182         f->f.
7183
7184 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
7185
7186         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
7187         (BINFO_BASE_ACCESS): Adjust.
7188         (BINFO_BASE_ACCESS_APPEND): New.
7189         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
7190         * dbxout.c (dbxout_type): Adjust binfo access accessing.
7191         * dwarf2out.c (gen_member_die): Likewise.
7192         * tree-dump.c (deque_and_dump): Likewise.
7193
7194 2004-07-26  Falk Hueffner  <falk@debian.org>
7195
7196         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
7197         costs.
7198
7199 2004-07-25  Roger Sayle  <roger@eyesopen.com>
7200
7201         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
7202         value off of the stack if TARGET_USE_FFREEP.
7203
7204 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
7205
7206         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
7207         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
7208         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
7209         check on invocation of XRESIZEVEC ().
7210
7211 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
7212
7213         * c-common.c (disable_builtin_function): Rename variable n to
7214         new_disabled_builtin.
7215         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
7216         Rename local variable old to old_decl.
7217         * gensupport.c (shift_output_template): Rename parameter old to src.
7218         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
7219         old_rtx and newx to new_rtx.
7220
7221 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
7222
7223         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
7224         of c-pragma.h.
7225         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
7226         enum cpp_ttype.
7227         * c-lex.c: Likewise.
7228
7229 2004-07-25  Roger Sayle  <roger@eyesopen.com>
7230
7231         * fold-const.c (constant_boolean_node): Make extern.
7232         (make_range): Wrap long lines.
7233         (fold_cond_expr_with_comparison): Remove unnecessary call to
7234         pedantic_non_lvalue.  Add missing calls to fold_convert.
7235         (fold_truthop): Add missing calls to fold_convert.
7236         (fold): Likewise.
7237         * tree.h (constant_boolean_node): Add prototype here.
7238         * builtins.c (expand_builtin_strncmp): Add missing calls to
7239         fold_convert.
7240         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
7241         Call fold_convert and constant_boolean_node to correct types.
7242         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
7243         missing call to fold_convert to correct types.
7244
7245 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
7246             Brian Ryner  <bryner@brianryner.com>
7247
7248         PR c++/9283
7249         PR c++/15000
7250         * c-common.c (c_common_attribute_table): Allow
7251         handle_visibility_attribute to be called for types.
7252         (handle_visibility_attribute) When given a type, set the visibility
7253         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
7254         so that we can check later whether the attribute was present. Added
7255         warning if attribute applied to non class type.
7256         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
7257         decls and checking that they are consistent.
7258         * common.opt: Added -fvisibility.
7259         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
7260         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
7261         * flags.h, tree.h: Added assorted support defines for overall patch
7262         * opts.c: Added parsing support for -fvisibility.
7263         * tree.c (build_decl): Set visibility for all decls to be whatever
7264         is in force at that time.
7265         * varasm.c (default_binds_local_p_1): Reworked logic determining
7266         when to make a symbol locally bound.
7267         * doc/invoke.texi: Added documentation for -fvisibility and
7268         -fvisibility-inlines-hidden.
7269
7270 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7271
7272         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
7273         * c-common.c: Add missing casts from void * to other types.
7274         * c-decl.c: Likewise.
7275         * c-format.c: Likewise.
7276         * c-lex.c: Likewise.
7277         * c-pragma.c: Likewise.
7278         * c-typeck.c: Likewise.
7279         * defaults.h: Likewise.
7280         * genconstants.c: Likewise.
7281         * gengtype-lex.l: Likewise.
7282         * genmodes.c: Likewise.
7283         * read-rtl.c: Likewise.
7284         * rtl.c: Likewise.
7285
7286 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7287
7288         * bitmap.c: Use type-safe memory allocation macros from libiberty.
7289         * c-common.c: Likewise.
7290         * c-decl.c: Likewise.
7291         * c-lang.c: Likewise.
7292         * c-lex.c: Likewise.
7293         * c-opts.c: Likewise.
7294         * c-parse.in: Likewise.
7295         * c-typeck.c: Likewise.
7296         * genconditions.c: Likewise.
7297         * gengtype-lex.l: Likewise.
7298         * gengtype-yacc.y: Likewise.
7299         * gengtype.c: Likewise.
7300         * genmodes.c: Likewise.
7301         * gensupport.c: Likewise.
7302         * read-rtl.c: Likewise.
7303         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
7304         htab_find_slot().
7305
7306 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7307
7308         * c-decl.c (groktypename, groktypename_in_param_context): Rename
7309         variable typename to type_name.
7310         * c-lex.c (interpret_float): Likewise.
7311
7312 2004-07-25  Roger Sayle  <roger@eyesopen.com>
7313
7314         * convert.c (convert_to_real, convert_to_integer,
7315         convert_to_complex): Replace calls to build with calls to buildN.
7316         * coverage.c (tree_coverage_counter_ref): Likewise.
7317         * dojump.c (do_jump): Likewise.
7318         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
7319         * emit-rtl.c (component_ref_for_mem_expr,
7320         set_mem_attributes_minus_bitpos): Likewise.
7321         * explow.c (update_nonlocal_goto_save_area): Likewise.
7322         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
7323         expand_mult_add): Likewise.
7324         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
7325         store_constructor, get_inner_reference, expand_expr_real_1,
7326         try_casesi, try_tablejump): Likewise.
7327         * function.c (expand_function_start): Likewise.
7328         * stmt.c (emit_case_bit_tests, expand_end_case_type,
7329         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
7330         * stor-layout.c (place_union_field, layout_type): Likewise.
7331         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
7332         * varasm.c (copy_constant): Likewise.
7333
7334 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7335
7336         * c-common.c: Rename all identifiers named `new'.
7337         * c-decl.c: Likewise.
7338         * gensupport.c: Likewise.
7339         * simplify-rtx.c: Likewise.
7340         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
7341         with XNEW().
7342         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
7343         with XNEWVEC().
7344
7345 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
7346
7347         PR c/15360
7348         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
7349         declarations until after calling pushdecl.
7350         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
7351         "extern" and not on whether the declaration is initialized.
7352
7353 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
7354
7355         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
7356         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
7357         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
7358         "cpplib.h", "c-pragma.h", "c-common.h".
7359         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
7360         (solaris_register_pragmas): New functions.
7361         * config/sol2-protos.h: New file.
7362         * config/sol2.c: New file.
7363         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
7364         (REGISTER_TARGET_PRAGMAS): New macros.
7365         (solaris_pending_aligns, solaris_pending_inits)
7366         (solaris_pending_finis): New variables.
7367         * config/t-sol2 (sol2-c.o): Update dependencies.
7368         (sol2.o): New rule.
7369         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
7370         SUBTARGET_INSERT_ATTRIBUTES.
7371         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
7372         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
7373         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
7374         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
7375         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
7376         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
7377         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
7378         * config/sparc/sparc.c (sparc_attribute_table): New.
7379         (TARGET_INSERT_ATTRIBUTES): Define in terms of
7380         SUBTARGET_INSERT_ATTRIBUTES.
7381         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
7382         is defined.
7383         * doc/extend.texi (Solaris Pragmas): New section.
7384
7385 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7386
7387         * c-common.c: Rename all identifiers named `class' to `cl'.
7388         * c-common.h: Likewise.
7389         * c-parse.in: Likewise.
7390         * c-typeck.c: Likewise.
7391         * genmodes.c: Likewise.
7392         * real.c: Likewise.
7393         * real.h: Likewise.
7394         * recog.c: Likewise.
7395         * recog.h: Likewise.
7396         * regrename.c: Likewise.
7397         * tree.h: Likewise.
7398         * c-common.c (builtin_function_2): Change type of 5th parameter from
7399         int to enum built_in_function. Change type of 8th parameter from int
7400         to bool.
7401         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
7402         with GGC_CNEW().
7403         * c-typeck.c (convert_arguments): Change type of formal_prec from
7404         int to unsigned int.
7405         * genmodes.c (blank_mode): Make a few negative constants unsigned.
7406         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
7407         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
7408         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
7409         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
7410         iterator to for_all_modes () instead of an enum because enums can't
7411         be incremented in C++.
7412
7413
7414 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
7415
7416         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
7417         hard registers.
7418
7419 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7420
7421         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
7422         Handle ARRAY_RANGE_REF like ARRAY_REF.
7423
7424 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
7425
7426         * c-typeck.c (digest_init): Don't allow arrays of signed or
7427         unsigned variants of wchar_t to be initialized by wide string
7428         constants.  Do allow arrays of enumerated types compatible with
7429         wchar_t to be initialized by wide string constants.  Refine tests
7430         distinguishing wide and narrow strings and arrays.  Give specific
7431         error for arrays of other integer types initialized by string
7432         constants.
7433         (output_init_element, process_init_element): Check for
7434         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
7435         initializing with string constants.
7436
7437 2004-07-25  Richard Henderson  <rth@redhat.com>
7438
7439         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
7440         on the RESULT_DECL.
7441         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
7442         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
7443         DECL_IGNORED_P to new decl.
7444
7445 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
7446
7447         * config/ia64/ia64.c (general_xfmode_operand)
7448         (destination_xfmode_operand): Delete.
7449         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
7450         * config/ia64/ia64.md (*movxf_internal): Use general_operand
7451         and destination_operand.
7452
7453 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7454
7455         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
7456         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
7457
7458 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
7459             Zack Weinberg  <zack@codesourcery.com
7460
7461         PR 16684
7462         * c-decl.c (diagnose_mismatched_decls): Don't issue a
7463         redundant-declaration warning the first time a builtin is
7464         declared explicitly.
7465
7466 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7467
7468         * tree.h (staticp): Change return type to bool.
7469
7470 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7471
7472         * c-common.c (c_staticp): Last episode of the staticp saga.
7473
7474 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7475
7476         * c-common.h (c_staticp): Change return type from int to bool.
7477         * tree.c (staticp): Likewise.
7478         * langhooks.h (staticp): Likewise.
7479
7480 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7481
7482         * langhooks-def.h (lhd_staticp): Change return type from int to
7483         bool in prototype to match definition.
7484
7485 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7486
7487         * system.h (bool, true, false): Don't redefine as preprocessor macros
7488         in C++.
7489
7490 2004-07-24  Roger Sayle  <roger@eyesopen.com>
7491
7492         * expmed.c (init_expmed): A signed modulus by a power of two is
7493         considered cheap if its less than or equal to four instructions.
7494
7495 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7496
7497         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
7498         GGC_CNEWVAR): New macros.
7499
7500 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
7501
7502         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
7503         lists.
7504         * c-decl.c: Likewise.
7505         * c-format.c: Likewise.
7506         * c-lex.c: Likewise.
7507         * c-opts.c: Likewise.
7508         * c-pragma.c: Likewise.
7509         * c-typeck.c: Likewise.
7510         * gencheck.c: Likewise.
7511         * genconditions.c: Likewise.
7512         * genconfig.c: Likewise.
7513         * genflags.c: Likewise.
7514         * gengtype.c: Likewise.
7515         * gensupport.c: Likewise.
7516         * ggc-none.c: Likewise.
7517         * langhooks.c: Likewise.
7518         * statistics.h: Likewise.
7519         * stub-objc.c: Likewise.
7520         * java/decl.c: Likewise.
7521
7522 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
7523
7524         * config/m68k/m68k.c (output_scc_di): Fix coding style.
7525         (symbolic_operand): Fix prototype.
7526         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
7527         * config/m68k/m68k.md: Add constants for registers a0 and sp and
7528         use them, change from the "{...}" syntax to the simpler {...}
7529         syntax.
7530         (*cfv4_extendqisi2): Fix destination predicate.
7531         * config/m68k/m68k-protos.h: Remove various declarations also
7532         generated via PREDICATE_CODES.
7533
7534 2004-07-23  Mike Stump  <mrs@apple.com>
7535
7536         * c-typeck.c (convert_for_assignment): Tightened up pointer
7537         converstions that differ in signedness.
7538
7539 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7540
7541         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
7542
7543 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7544
7545         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
7546         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
7547
7548         * gimplify.c (gimplify_compound_lval): Check for no handled
7549         operations, rather than checking for explicit list of nodes.
7550         (is_gimple_addr_expr_arg_or_indirect): New function.
7551         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
7552         redundant setting of TREE_INVARIANT.
7553         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
7554         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
7555
7556 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
7557
7558         PR tree-optimization/16688
7559         PR tree-optimization/16689
7560         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
7561         unnecessary initialization of 'tag'.
7562         (get_tmt_for): Check that the new type tag has the same alias
7563         set as the pointed-to type.
7564         (group_aliases): Only regular variables need to be removed
7565         from the alias set of a name tag.
7566         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
7567         propagation if the two types are not compatible.
7568         (merge_alias_info): Rename from replace_ssa_names_ann.
7569         Add more checking.
7570         (replace_exp_1): If both arguments are SSA_NAMEs, check that
7571         the propagation can be done.
7572         Only call merge_alias_info on pointers.
7573         (propagate_value): Likewise.
7574         * tree-ssa-copyrename.c: Include langhooks.h.
7575         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
7576         to do the merging.
7577         Do not coalesce variables with incompatible types.
7578         (rename_ssa_copies): Call replace_ssa_name_symbol.
7579         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
7580         the same type as the underlying _DECL.
7581         * tree-ssanames.c (replace_ssa_name_symbol): New function.
7582         * tree.h (replace_ssa_name_symbol): Declare.
7583
7584 2004-07-23  Richard Henderson  <rth@redhat.com>
7585
7586         PR c++/16277
7587         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
7588         unshare it properly.
7589         (gimplify_modify_expr_rhs): Push assignment from a conditional into
7590         the conditional for all non-register types.
7591
7592 2004-07-23  Richard Henderson  <rth@redhat.com>
7593
7594         * expr.c (expand_expr_real_1): Don't handle non-local variables.
7595         * expr.h (fix_lexical_addr): Remove.
7596         * function.c (NEED_SEPARATE_AP): Remove.
7597         (fix_lexical_addr): Remove.
7598         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
7599         not null decl_function_context.
7600         (create_alias_vars): Likewise.
7601         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
7602         (simple_goto_p): Likewise.
7603         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
7604         * tree-ssa-ccp.c (get_default_value): Likewise.
7605         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
7606         * tree.c (needs_to_live_in_memory): Likewise.
7607         * tree-flow-inline.h (may_be_aliased): Move...
7608         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
7609         when TREE_STATIC variables may be addressable.
7610
7611 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
7612
7613         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
7614
7615 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
7616
7617         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
7618         bitmap contents if GENERATOR_FILE is defined.
7619         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
7620         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
7621
7622 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
7623
7624         * c-decl.c (start_function): Form composite type of function types
7625         rather than copying type from previous prototype declaration.
7626
7627 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
7628
7629         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
7630         the const qualifier for the second argument in the C++ functions.
7631
7632         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
7633         specific pointer types.
7634
7635         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
7636         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
7637         for vector bool and/or vector pixel, add C++ and C missing support.
7638         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
7639         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
7640         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
7641         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
7642         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
7643         missing C++ and C support for vector bool and/or vector pixel.
7644         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
7645         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
7646         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
7647         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
7648         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
7649         C++ and C types used for vector bool and/or vector pixel.
7650         (vec_st, vec_stl): Add C++ support for vector pixel.
7651         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
7652         (vec_all_ne): Add C++ support for vector pixel.
7653
7654         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
7655         (vec_vmulesb): Add missing C++ function.
7656         (vec_perm): Fix type of third argument in C++ function.
7657         (vec_vsum4shs): Fix C++ function name.
7658         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
7659         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
7660         argument passed to the error handler in C macro.
7661         (vec_nmsub): Remove extra parens around argument names in C macro.
7662         (vec_packpx): Add missing parens in C macro.
7663
7664 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7665
7666         * machmode.def: Remove vector modes.
7667         * config/alpha/alpha-modes.def: Add supported vector modes.
7668         * config/arm/arm-modes.def: Likewise.
7669         * config/frv/frv-modes.def: Likewise.
7670         * config/i386/i386-modes.def: Likewise.
7671         * config/rs6000/rs6000-modes.def: Likewise.
7672         * config/sh/sh-modes.def: Likewise.
7673
7674 2004-07-23  Matthias Klose  <doko@debian.org>
7675
7676         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
7677         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
7678         * config.h: Regenerate.
7679         * configure: Likewise.
7680
7681 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
7682
7683         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
7684         generated SYMBOL_REFs for labels.
7685         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
7686         Change prototype.
7687         (machopic_stub_name): Remove.
7688         (machopic_indirection_name): New function.
7689         (machopic_mcount_stub_name): Likewise.
7690         (machopic_classify_name): Remove.
7691         (machopic_function_base_sym): New function.
7692         (machpoic_classify_symbol): Likewise.
7693         (machopic_classify_ident): Remove.
7694         (machopic_define_ident): Likewise.
7695         (machopic_define_name): Likewise.
7696         (machopic_name_defined_p): Likewise.
7697         (machopic_ident_defined_p): Likewise.
7698         (darwin_strip_name_encoding): Likewise.
7699         (machopic_define_symbol): New function.
7700         * config/darwin.c (hashtab.h): Include.
7701         (machopic_defined_list): Remove.
7702         (machopic_classify_ident): Likewise.
7703         (machopic_classify_name): Likewise.
7704         (machopic_ident_defined_p): Likewise.
7705         (machopic_define_ident): Likewise.
7706         (machopic_define_name): Likewise.
7707         (machopic_symbol_defined_p): New function.
7708         (machopic_classify_symbol): Likewise.
7709         (machopic_data_defined_p): Use machopic_classify_symbol.
7710         (machopic_define_symbol): New function.
7711         (machopic_function_base_sym): New function.
7712         (machopic_non_lazy_pointers): Remove.
7713         (machopic_non_lazy_ptr_name): Likewise.
7714         (machopic_stubs): Likewise.
7715         (machopic_stub_name): Likewise.
7716         (NON_LAZY_POINTER_SUFFIX): New macro.
7717         (STUB_SUFFIX): Likewise.
7718         (machopic_indirection): New structure.
7719         (machopic_indirections): New variable.
7720         (machopic_indirection_hash): New function.
7721         (machopic_indirection_eq): Likewise.
7722         (machopic_indirection_name): Likewise.
7723         (machopic_mcount_stub_name): New function.
7724         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
7725         hash table.
7726         (machopic_indirect_data_reference): Rework to use new functions.
7727         (machopic_indirect_call_target): Likewise.
7728         (machopic_legitimize_pic_address): Likewise.
7729         (machopic_output_indirection): New function.
7730         (machopic_finish): Use it.
7731         (machopic_operand_p): Rework to use new functions.
7732         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
7733         (darwin_strip_name_encoding): Remove.
7734         (update_non_lazy_ptrs): Remove.
7735         (update_stubs): Likewise.
7736         (darwin_non_lazy_pcrel): Use new functions.
7737         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
7738         (ASM_OUTPUT_LABELREF): Likewise.
7739         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
7740         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
7741         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
7742         (TARGET_STRIP_NAME_ENCODING): Do not use
7743         darwin_strip_name_encoding.
7744         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
7745         darwin_strip_name_encoding.
7746         * config/i386/darwin.h (FUNCTION_PROFILER): Use
7747         machopic_mcount_stub_name.
7748         * config/i386/i386.c (x86_output_mi_thunk): Use
7749         machopic_indirection_name, not machopic_stub_name.
7750         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
7751         machopic_function_base_sym.
7752         (print_operand): Use machopic_classify_symbol.
7753         (rs6000_emit_prologue): Use machopic_function_base_sym.
7754         (output_profile_hook): Do not use machopic_stub_name.
7755         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
7756
7757 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7758
7759         PR c/7284
7760         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
7761         as multiplication.
7762
7763 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7764
7765         * doc/implement-c.texi: New file.
7766         * doc/extend.texi (C Implementation): Move to there.
7767         * doc/gcc.texi: Include implement-c.texi.
7768         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
7769
7770 2004-07-22  Jason Merrill  <jason@redhat.com>
7771
7772         * integrate.c (copy_decl_for_inlining): Remove invisible reference
7773         handling.
7774         * tree-inline.c (setup_one_parameter): Likewise.
7775
7776 2004-07-22  Brian Booth  <bbooth@redhat.com>
7777
7778         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
7779         (substitute_and_fold): Propigate into VUSE operands when possible.
7780         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
7781         (cp_lattice_meet): Handle merging of latticevalues when
7782         UNKNOWN_VAL is present.
7783         (visit_stmt): Visit assignments with V_MUST_DEFs.
7784         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
7785         (ccp_fold): Deal with RHS' that are constant and virtual.
7786         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
7787         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
7788         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
7789         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
7790         computing immediate uses.
7791         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
7792         transition.
7793         (replace_vuse_in): New function.
7794         (likely_value): Add check of vuse operands.
7795         (get_default_value): Set the default value of virtually defined
7796         variables to UKNOWN_VAL instead of VARYING.
7797
7798 2004-07-22  Richard Henderson  <rth@redhat.com>
7799
7800         * expr.c (emit_push_insn): Don't use set_mem_attributes.
7801
7802 2004-07-22  Richard Henderson  <rth@redhat.com>
7803
7804         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
7805         variables due to conditional compilation.
7806
7807 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7808
7809         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
7810         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
7811         Release SSA names that have been re-renamed.
7812         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
7813         variable.
7814         * tree-ssa-alias.c (init_alias_info): If aliases have been
7815         computed before, clear existing alias information.
7816         (create_name_tags): Do no fixup PT_ANYTHING pointers.
7817         If the new name tag for a pointer is different than the one it
7818         had before, mark the old tag for renaming.
7819         (replace_may_alias): New function.
7820         (group_aliases): Call it.
7821         (setup_pointers_and_addressables): Always call get_tmt_for.
7822         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
7823         once.
7824         (set_pt_anything): New local function.
7825         (set_pt_malloc): New local function.
7826         (merge_pointed_to_info): Don't merge pointed-to variables from
7827         the original pointer if the destination is pointing to an
7828         unknown location.
7829         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
7830         (add_pointed_to_var): Do not add a variable to the points-to
7831         set if the pointer is already pointing to anywhere.
7832         (collect_points_to_info_r): If the defining statement is a PHI
7833         node, only merge pointed-to information if the argument has
7834         already been visited.
7835         (get_tmt_for): Only create a new tag if the pointer didn't
7836         have one already.
7837         (dump_alias_info): Emit more information.
7838         (dump_points_to_info_for): Likewise.
7839         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
7840         try to get the annotation of an SSA_NAME.
7841         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
7842         alias sets when checking is enabled.
7843         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
7844         (eliminate): Mark basic blocks that will need
7845         EH information cleaned up.
7846         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
7847         predecessor.
7848         Initialize need_eh_cleanup.
7849         (fini_pre): Call tree_purge_all_dead_eh_edges and
7850         cleanup_tree_cfg if needed.
7851         Free need_eh_cleanup.
7852         * tree-ssa.c (verify_ssa_name): New function.
7853         (verify_def): Call it.
7854         Re-arrange to avoid printing too many error messages.
7855         (verify_use): Likewise.
7856         (verify_phi_args): Likewise.
7857         (verify_flow_insensitive_alias_info): New function.
7858         (verify_flow_sensitive_alias_info): New function.
7859         (verify_alias_info): New function.
7860         (verify_ssa): Call verify_alias_info.
7861         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
7862         program.
7863         Re-arrange to avoid printing too many error messages.
7864         * tree-ssanames.c (make_ssa_name): Clear
7865         SSA_NAME_IN_FREE_LIST.
7866         (release_ssa_name): Never release a default definition.
7867         (release_defs): New function.
7868         * tree.h: Declare it.
7869         * tree-ssa-dce.c (remove_dead_stmt): Call it.
7870
7871 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
7872
7873         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
7874         If true, do a depth-first search.  Do a breadht-first search,
7875         otherwise.
7876         (walk_use_def_chains): Add new argument IS_DFS.
7877         Update all users.
7878         * tree-flow.h (walk_use_def_chains): Update prototype.
7879
7880 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
7881
7882         * config/cris/cris.md: Tweak formatting.
7883         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
7884         (mover2side, moverside, movemside, movei, op3, andu): Replace
7885         live define_peephole:s with define_peephole2 near-equivalents.
7886         Delete the rest.
7887         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
7888         word-size modes.
7889         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
7890         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
7891         "*mov_sidesi_mem" respectively.
7892
7893 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
7894
7895         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
7896         (gimplify_build1): Move from tree-complex.c do_unop.
7897         (gimplify_build2): Move from tree-complex.c do_binop.
7898         (gimplify_build3): New.
7899         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
7900         Adjust throughout to call the functions above.
7901         * tree-flow.h: Declare the functions above.
7902         * tree-nested.c (gimplify_val): Rename to...
7903         (tsi_gimplify_val): ... this.
7904
7905         * Makefile.in (tree_complex.o): Update dependencies.
7906         (stor-layout.o): Depend on regs.h.
7907         * c-common.c (handle_vector_size_attribute): Update for
7908         vector types without corresponding vector modes.
7909         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
7910         a corresponding vector mode is not available.
7911         * print-tree.c (print_node): Print nunits for vector types
7912         * regclass.c (have_regs_of_mode): New.
7913         (init_reg_sets_1): Initialize it and use it instead
7914         of allocatable_regs_of_mode.
7915         * regs.h (have_regs_of_mode): Declare it.
7916         * stor-layout.c (layout_type): Pick a mode for vector types.
7917         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
7918         build_replicated_const, do_unop, do_binop, do_plus_minus,
7919         do_negate, expand_vector_piecewise, expand_vector_parallel,
7920         expand_vector_addition, expand_vector_operations_1,
7921         expand_vector_operations, tree_lower_operations,
7922         pass_lower_vector_ssa, pass_pre_expand): New.
7923         (expand_complex_operations, pass_lower_complex): Remove.
7924         * tree-optimize.c (init_tree_optimization_passes): Adjust
7925         pass ordering for changes in tree-complex.c.
7926         * tree-pass.h: Declare new passes.
7927         * tree.c (finish_vector_type): Remove.
7928         (make_vector_type): New.
7929         (build_vector_type_for_mode, build_vector_type): Rewritten.
7930         * tree.def (VECTOR_TYPE): Document where the number of
7931         subparts is stored.
7932         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
7933         (make_vector): Remove declaration.
7934
7935 2004-07-21  Richard Henderson  <rth@redhat.com>
7936
7937         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
7938         TREE_THIS_VOLATILE, may_aliases, or optimization level.
7939         (remove_useless_vars): Dump debugging info.
7940         (expand_used_vars): Move ...
7941         * cfgexpand.c (expand_used_vars): ... here.  Make static.
7942         * tree-flow-inline.h (set_is_used): New.
7943         (set_default_def): Use get_var_ann.
7944         * tree-flow.h: Update decls.
7945         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
7946         (create_ssa_var_map): Use it.
7947         * tree-ssa.c (set_is_used): Remove.
7948
7949 2004-07-22  Ben Elliston  <bje@au.ibm.com>
7950
7951         * gdbinit.in: Set a breakpoint on internal_error.
7952
7953 2004-07-21  Richard Henderson  <rth@redhat.com>
7954
7955         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
7956         to create a new basic block.
7957
7958 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7959
7960         PR c/15052
7961         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
7962         return type on function definitions.  Move other warnings for
7963         qualified return type to -Wreturn-type.  Do not condition any such
7964         warnings on -pedantic.  Update comments.
7965         (start_function): Only copy function type from previous prototype
7966         declaration if return types are compatible.
7967         * c-typeck.c (function_types_compatible_p): Don't condition
7968         warning for incompatibility of volatile qualifiers on the return
7969         type on -pedantic.  Update comment.
7970         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
7971
7972 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7973
7974         * c-typeck.c (set_init_index): Require designator to be of integer
7975         type.
7976
7977 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
7978
7979         PR c/11250
7980         * c-parse.in (init): Change to exprtype.
7981         (primary): Set original_code for STRING to STRING_CST.
7982         Call maybe_warn_string_init for compound literals.
7983         (initdcl, notype_initdcl): Call maybe_warn_string_init.
7984         (initval): Update.
7985         * c-tree.h (maybe_warn_string_init): New.
7986         (pop_init_level, process_init_element): Use struct c_expr.
7987         (struct c_expr): Update comment.
7988         * c-typeck.c (maybe_warn_string_init): New function.
7989         (digest_init): Call it.  Additional parameter strict_string.  All
7990         callers changed.
7991         (output_init_element): Likewise.
7992         (struct constructor_stack): Use struct c_expr for
7993         replacement_value.
7994         (really_start_incremental_init, push_init_level): Update.
7995         (pop_init_level): Update.  Return struct c_expr.
7996         (process_init_level): Update.  Take struct c_expr argument.
7997
7998 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
7999
8000         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
8001         commit.
8002
8003 2004-07-21  Eric Christopher  <echristo@redhat.com>
8004
8005         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
8006         removal.
8007         * c-decl.c (pop_scope): Ditto.
8008         * calls.c (expand_call): Remove call to current_nesting_level,
8009         update comment accordingly. Remove calls to expand_start_target_temps
8010         and expand_end_target_temps.
8011         * cfgexpand.c (construct_init_block): Remove call to
8012         expand_start_bindings_and_block.
8013         (construct_exit_block): Remove call to expand_end_bindings.
8014         * expr.c (safe_from_p): Remove BIND_EXPR handling.
8015         (expand_expr_real_1): Ditto. Fix formatting.
8016         (expand_vars): Delete.
8017         * stmt.c (POPSTACK): Remove block_stack.
8018         (stmt_status): Remove x_block_stack.
8019         (block_stack): Delete.
8020         (expand_start_bindings_and_block): Ditto.
8021         (expand_start_target_temps): Ditto.
8022         (expand_end_target_temps): Ditto.
8023         (current_nesting_level): Ditto.
8024         (warn_about_unused_variables): Ditto.
8025         (expand_end_bindings): Ditto.
8026         * tree.h: Remove declarations for above.
8027
8028 2004-07-21  Steven Bosscher  <stevenb@suse.de>
8029
8030         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
8031         * rtl.c (note_insn_name): Likewise.
8032         * print-rtl.c (print_rtx): Don't print it.
8033         * cfgrtl.h (can_delete_note_p): Don't handle it.
8034         (rtl_delete_block): Likewise.
8035         * passes.c (rest_of_handle_guess_branch_prob): Remove.
8036         (rest_of_compilation): Don't call it.
8037         * predict.c (process_note_predictions, process_note_prediction,
8038         note_prediction_to_br_prob): Remove.
8039         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
8040         * stmt.c (return_prediction): Remove.
8041         (expand_value_return): Don't call it.  Don't add prediction
8042         notes for return statements.
8043
8044 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
8045
8046         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
8047         once.
8048
8049 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
8050
8051         * c-common.c (vector_types_convertible_p): Use vector types'
8052         TYPE_SIZE and TREE_TYPE instead of their mode.
8053         * convert.c (convert_to_integer): Likewise.
8054         (convert_to_vector): Likewise.
8055         * fold-const.c (fold_convert): Likewise.
8056         * varasm.c (output_constant): Likewise.
8057         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
8058         Allow a VECTOR_TYPE initializer to be made of several vectors.
8059         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
8060         of cleared and need_to_clear, and use fold_convert.
8061         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
8062         integer vectors.
8063
8064 2004-07-20  Richard Henderson  <rth@redhat.com>
8065
8066         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
8067         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
8068
8069 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
8070
8071         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
8072         enormous cost if not TARGET_HARD_MUL.
8073
8074 2004-07-20  Andrew Pinski  <apinski@apple.com>
8075
8076         PR target/16557
8077         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
8078         (ASM_SPEC): here.
8079
8080 2004-07-21  Paul brook  <paul@codesourcery.com>
8081
8082         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
8083
8084 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8085
8086         * fold-const.c (operand_equal_p): Temporarily support NULL args.
8087         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
8088         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
8089
8090 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
8091
8092         * rtl.h (plus_constant): Delete.
8093         (plus_constant_wide): Rename to plus_constant.
8094         (plus_constant_for_output_wide): Delete vestigial prototype.
8095         (GEN_INT): Remove unnecessary cast.
8096         * tree.h (build_int_2, size_int_type): Delete.
8097         (build_int_2_wide): Rename to build_int_2.
8098         (size_int_wide): Rename to size_int_kind.
8099         (size_int_type_wide): Rename to size_int_type.
8100         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
8101         Remove unnecessary cast.
8102         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
8103         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
8104         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
8105         (size_int_type_wide): Rename size_int_type.
8106         (int_const_binop): Use size_int_type.
8107         * c-lex.c (interpret_integer): Use build_int_2.
8108         * final.c (split_double): Remove unnecessary casts.
8109         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
8110
8111 2004-07-20  Richard Henderson  <rth@redhat.com>
8112
8113         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
8114         (gimplify_compound_lval): Use is_gimple_tmp_reg.
8115         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
8116         (is_gimple_tmp_reg): New.
8117         * tree-gimple.h (is_gimple_tmp_reg): Declare.
8118
8119 2004-07-20  Richard Henderson  <rth@redhat.com>
8120
8121         * tree-pretty-print.c (dump_generic_node): Dump
8122         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
8123
8124 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
8125
8126         * tree-mudflap.c (mf_set_options_fndecl): New tree.
8127         (mudflap_init): Set it.
8128         (mudflap_register_call): Remove __mf_init call.
8129         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
8130         to pass "-ignore-reads" option to libmudflap if needed.
8131
8132 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
8133
8134         PR c++/14607
8135         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
8136         (MAKE_DECL_ONE_ONLY): Undefine.
8137         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
8138         readonly_data, one_only_data_section, forget_section): New prototypes.
8139         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
8140         functions.
8141         (pa_select_section): Add one-only (COMDAT) support.
8142         * pa.h (struct machine_function): Define.
8143         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
8144         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
8145         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
8146         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
8147         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
8148         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
8149         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
8150         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
8151         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
8152         for EXTRA_SECTION_FUNCTIONS.
8153         * doc/install.texi: Update binutils requirements.
8154
8155 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
8156
8157         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
8158         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
8159         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
8160         size_t.
8161         (struct VEC): Use unsigned for num and alloc.
8162         * vec.c (struct vec_prefix): Likewise.
8163         (vec_o_reserve): Adjust.
8164
8165         * dbxout.c (dbxout_type): Fix printf format.
8166
8167         * tree.h (binfo_member): Remove.
8168         * tree.c (binfo_member): Remove.
8169
8170 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
8171
8172         * tree.h: Include vec.h
8173         (DEF_VEC_P(tree)): New type.
8174         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
8175         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
8176         (BINFO_LANG_SLOT): Remove.
8177         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
8178         (struct tree_binfo): Turn base_binfos into a trailing
8179         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
8180         (binfo_lang_slots): Remove.
8181         * tree.c (binfo_lang_slots): Remove.
8182         (make_tree_binfo_stat): Take a base binfo count, not a
8183         lang slot count.  Adjust.
8184         * Makefile.in (TREE_H): Add vec.h
8185         * alias.c (record_component_aliases): Adjust BINFO access.
8186         * dbxout.c (dbxout_type): Likewise.
8187         * dwarf2out.c (gen_member_die): Likewise.
8188         * sdbout.c (sdbout_one_type): Likewise.
8189         * tree-dump.c (deque_and_dump): Likewise.
8190         * config/i386/i386.c (classify_argument,
8191         contains_128bit_aligned_vector_p): Likewise.
8192         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
8193         * doc/c-tree.texi (Classes): Update BINFO documentation.
8194
8195 2004-07-20  Steven Bosscher  <stevenb@suse.de>
8196
8197         * c-common.h (check_case_value): Remove prototype.
8198         (c_add_case_label): Adjust prototype.
8199         * c-common.c (check_case_value): Make static.
8200         (check_case_bounds): New function.
8201         (c_add_case_label): Use it.  Take new argument orig_type.
8202         * c-typeck.c (struct c_switch): New orig_type field.
8203         (c_start_case): Set it.
8204         (do_case): Pass it to c_add_case_label.
8205         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
8206         cases from here.  Add the labels in reverse order.
8207         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
8208         (add_case_node): Return nothing, don't check for duplicate cases.
8209         Insert new case nodes in a list, not in an AVL tree.
8210         (expand_end_case_type): Don't turn a case tree into a case list.
8211         (case_tree2list): Remove.
8212         * tree.h (add_case_node): Adjust prototype.
8213
8214 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
8215
8216         * genattr.c (struct range, struct function_unit,
8217         write_units, extend_range, init_range): Remove them.
8218         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
8219         Output "#define INSN_SCHEDULING" here.
8220         * genattrtab.c (struct range, struct function_unit_op,
8221         struct function_unit, struct dimension, enum operator,
8222         operate_exp, expand_units, simplify_knowing,
8223         encode_units_mask, simplify_by_exploding,
8224         find_and_mark_used_attributes, unmark_used_attributes,
8225         add_values_to_cover, increment_current_value,
8226         test_for_current_value, simplify_with_current_value,
8227         simplify_with_current_value_aux, gen_unit,
8228         write_unit_name, write_function_unit_info,
8229         write_complex_function, write_toplevel_expr,
8230         find_single_value, extend_range): Remove.
8231         (write_attr_get): Do not handle common_av->value
8232         being an FFS.
8233         (struct attr_desc): Remove func_units_p and blockage_p.
8234         (write_attr_valueq): Do not handle them.
8235         (find_attr): Do not clear them.
8236         (make_internal_attr): Do not initialize them.
8237         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
8238         * sched-vis.c (init_target_units, insn_print_units,
8239         init_block_visualization, print_block_visualization,
8240         visualize_scheduled_insns, visualize_no_unit,
8241         visualize_stall_cycles, visualize_alloc,
8242         visualize_free, target_units, get_visual_tbl_length,
8243         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
8244         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
8245         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
8246         * haifa-sched.c (blockage_range, clear_units,
8247         schedule_unit, actual_hazard, potential_hazard,
8248         insn_unit, unit_last_insn, unit_tick,
8249         actual_hazard_this_instance, potential_hazard,
8250         schedule_unit, max_insn_queue_index_value): Remove.
8251         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
8252         max_insn_queue_index.
8253         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
8254         * doc/md.texi (Processor pipeline description): Remove
8255         references to old pipeline descriptions.
8256         (Automaton pipeline description): Merge with the above.
8257         (Old pipeline description, Comparison of the two descriptions):
8258         Remove.
8259
8260         * bt-load.c (migrate_btr_def): Remove references to
8261         use_pipeline_interface.
8262         * haifa-sched.c (insn_cost, schedule_insn,
8263         schedule_block, advance_one_cycle, sched_init,
8264         queue_to_ready, sched_finish): Likewise.
8265         * modulo-sched.c (sms_schedule, advance_one_cycle,
8266         ps_has_conflicts): Likewise.
8267         * sched-rgn.c (init_ready): Likewise.
8268         (debug_dependencies): Likewise, and remove an "if (1)".
8269         * target.h (use_dfa_pipeline_interface): Remove.
8270         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8271         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8272         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8273         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8274         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8275         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8276         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8277         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8278         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8279         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8280         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8281         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8282         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8283         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8284         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8285         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8286         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8287         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8288         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
8289
8290 2004-07-19  Roger Sayle  <roger@eyesopen.com>
8291
8292         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
8293
8294 2004-07-19  Jeff Law  <law@redhat.com>
8295
8296         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
8297         (get_eq_expr_value): Use it.  Simplify slightly.
8298
8299 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
8300
8301         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
8302         (umulsidi3_32bit_r4000): Likewise.
8303
8304 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
8305
8306         * vec.h: Propagate location information properly.
8307         (VEC_T_iterate): Add result pointer parameter.
8308         (VEC_T_space): New.
8309         (VEC_T_reserve): Use it.
8310
8311 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
8312
8313         * Makefile.in (c-format.o): Depend on c-format.h.
8314         * c-format.h: New file.
8315         (struct format_char_info): Add CHAIN member.
8316         * c-format.c: Move some types and constants to c-format.h.
8317         (format_type_error): Set to -1.
8318         (struct function_format_info): Use an int for format_type.
8319         (decode_format_type): Return an int.  Return format_type_error
8320         on error.
8321         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
8322         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
8323         (scan_char_table, time_char_table, monetary_char_table): Initialize
8324         CHAIN to NULL.
8325         (n_format_types): New variable.
8326         (check_format_info_main): Handle CHAIN in format_char_info.
8327         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
8328         TARGET_N_FORMAT_TYPES.
8329         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
8330         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
8331         * config/sol2-c.c: New file.
8332         * config/t-sol2: New file.
8333         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
8334         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
8335         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
8336
8337         * doc/extend.texi (Target Format Checks): New section.
8338         (Function Attributes): Mention it.
8339         * doc/invoke.texi: Mention target format checks.
8340         * doc/sourcebuild.texi: Mention target format checks.
8341         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
8342         TARGET_FORMAT_TYPES.
8343
8344 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
8345
8346         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
8347         added.
8348         * config/s390/s390.c (regclass_map initializer): Register 35 added to
8349         ADDR_REGS.
8350         (load_multiple_operation, store_multiple_operation): Removed
8351         pointless sanity check.
8352         (s390_decompose_address): Added check for return_address_pointer_rtx.
8353         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
8354         (s390_return_address_offset): New function.
8355         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
8356         (FRAME_REGNO_P): Added check for register 35.
8357         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
8358         REG_ALLOC_ORDER): Appended entry for register 35.
8359         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
8360         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
8361         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
8362         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
8363         is eliminable using stack pointer or hard frame pointer.
8364         (REGISTER_NAMES): Added name for register 35.
8365         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
8366         pointless sanity check.
8367
8368 2004-07-19  Roger Sayle  <roger@eyesopen.com>
8369
8370         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
8371         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
8372         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
8373         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
8374         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
8375         (fold_relational_const): Tidy up handling of floating point
8376         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
8377         transformation; fold_relational_const assumes constant operands.
8378
8379 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
8380
8381         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
8382         directory.
8383
8384 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
8385
8386         * c-tree.h (struct c_expr): Define.
8387         (C_SET_EXP_ORIGINAL_CODE): Remove.
8388         (parser_build_binary_op, build_compound_expr): Update prototypes.
8389         * c-parse.in (%union): Add exprtype.
8390         (FUNC_NAME): Mark as ttype.
8391         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
8392         exprtype.
8393         (expr): Update.  Define directly in terms of expr_no_commas
8394         instead of using nonnull_exprlist.
8395         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
8396         offsetof_member_designator, typespec_nonreserved_nonattr, init,
8397         initval, designator, component_declarator,
8398         component_notype_declarator, enumerator, array_declarator,
8399         condition, exexpr, switch_statement, stmt_nocomp, stmt,
8400         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
8401         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
8402         where appropriate.
8403         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
8404         * c-common.c (c_common_truthvalue_conversion): Don't check
8405         C_EXP_ORIGINAL_CODE.
8406         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
8407         Don't use C_EXP_ORIGINAL_CODE.
8408         (default_conversion, default_function_array_conversion): Don't use
8409         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
8410         (internal_build_compound_expr): Merge into build_compound_expr.
8411         (build_compound_expr): Take two operands instead of a TREE_LIST.
8412         * objc/objc-act.c (get_super_receiver): Update calls to
8413         build_compound_expr.
8414
8415 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
8416
8417         * config/sh/sh.c (sh_use_dfa_interface): Remove.
8418         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
8419         hook_int_void_1.
8420         * config/sh/sh.md: Extract pipeline descriptions
8421         into separate files.
8422         * config/sh/sh1.md: New file, extracted from sh.md.
8423         * config/sh/sh4.md: New file, extracted from sh.md.
8424         * config/sh/shmedia.md: New file, extracted from sh.md
8425         and rewritten using new-style pipeline description.
8426
8427 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
8428
8429         * config/pa/pa.md: Delete the two remaining define_peephole
8430         patterns.
8431
8432 2004-07-18  Steven Bosscher  <stevenb@suse.de>
8433             Joseph S. Myers  <jsm@polyomino.org.uk>
8434
8435         * c-common.c (c_common_truthvalue_conversion): Don't warn if
8436         TREE_NO_WARNING is set.
8437
8438 2004-07-18  Roger Sayle  <roger@eyesopen.com>
8439
8440         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
8441         simplify_builtin_strncmp): Delete.
8442         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
8443         Change argument to accept an arglist instead of an "exp".  Assume
8444         that the return type is always integer_type_node.  Copy missing
8445         transformations from their now obsolete simplify_builtin_*
8446         equivalents.
8447         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
8448         fold_builtin_strcmp and fold_builtin_strncmp.
8449         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
8450         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
8451         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
8452
8453 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
8454
8455         * Makefile.in (tree-alias-common.o): Update dependencies.
8456
8457 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
8458
8459         * cfgloop.c (flow_loop_nested_p): Fix comment.
8460
8461 2004-07-17  Jason Merrill  <jason@redhat.com>
8462
8463         PR c++/16115
8464         * stor-layout.c (relayout_decl): New fn.
8465         * tree.h: Declare it.
8466         (DECL_BY_REFERENCE): New macro.
8467
8468 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
8469
8470         * libgcc2.c (__enable_execute_stack): New symbol.
8471         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
8472         and declare __enable_execute_stack.
8473         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
8474         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
8475         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8476         ENABLE_EXECUTE_STACK.
8477         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
8478         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8479         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8480         ENABLE_EXECUTE_STACK.
8481         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8482         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
8483         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8484         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
8485         ENABLE_EXECUTE_STACK.
8486         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8487         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8488         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8489         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
8490         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
8491         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
8492         (sparc64_initialize_trampoline): Likewise.
8493         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
8494
8495 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8496
8497         * langhooks.h (builtin_function): New langhook.
8498         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
8499         (LANG_HOOKS_INITIALIZER): Update.
8500         * tree.h (builtin_function): Remove.
8501         * doc/tm.texi: Update.
8502         * c-tree.h (builtin_function): Declare.
8503         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
8504         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
8505         config/ia64/ia64.c, config/iq2000/iq2000.c,
8506         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
8507         config/stormy16/stormy16.c: All callers of builtin_function
8508         changed.
8509
8510 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
8511
8512         PR target/16556
8513         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
8514         Remove white space after the backslash.
8515
8516 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
8517
8518         PR rtl-optimization/16294
8519         * resource.c (return_insn_p): New predicate.
8520         (mark_target_live_regs): Use it.  Special-case return insns.
8521         (init_resource_info): Use it.  Don't scan the epilogue past
8522         a return.
8523
8524 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8525
8526         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
8527         destroy dominance information.
8528         * passes.c (rest_of_handle_loop2):  Free dominance information.
8529         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
8530         jump threading.
8531         (thread_jumps): Update dominance information and remove unreachable
8532         blocks.
8533         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
8534         information and remove the unreachable block.
8535
8536 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
8537
8538         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
8539
8540 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
8541
8542         * doc/sourcebuild.texi: Remove libf2c entry.
8543
8544 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
8545
8546         * config/i386/i386.md (movv16qi_internal): Fix typo.
8547
8548 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8549
8550         * final.c (final_scan_insn): Fix broken commit from previous
8551         patch.
8552
8553 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
8554
8555         * c-typeck.c (parser_build_binary_op): Condition warnings for
8556         X<=Y<=Z on -Wparentheses instead of -Wextra.
8557         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
8558         supported for C only.
8559
8560 2004-07-17  Steven Bosscher  <stevenb@suse.de>
8561
8562         * cfgcleanup.c (try_simplify_condjump): Don't remove line
8563         notes to avoid unreachable code warnings.
8564         * toplev.c (backend_init): Don't emit line notes for
8565         unreachable code warnings.
8566
8567         * combine.c (distribute_notes): Don't distribute a
8568         REG_VTABLE_REF note.
8569         * final.c (final_scan_insn): Don't handle it.
8570         * rtl.c (reg_note_name): Remove it.
8571         * rtl.h (enum reg_node): Dito.
8572
8573         * emit-rtl.c (force_line_numbers, restore_line_number_status):
8574         Remove.
8575         * rtl.h (force_line_numbers, restore_line_number_status):
8576         Remove prototypes.
8577
8578         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
8579         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
8580         (using_eh_for_cleanups): Also moved here.
8581
8582         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
8583         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
8584         to expand_start_case and add_case_node.
8585         * stmt.c (struct nesting): Cleanup unused fields condition_code,
8586         last_unconditional_cleanup, nominal_type, printname, and
8587         line_number_status.
8588         (struct fixup_goto): Remove.
8589         (struct stmt_status): Remove x_goto_fixup_chain field.
8590         (goto_fixup_chain): Remove.
8591         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
8592         pushcase, pushcase_range): Remove.
8593         (expand_start_bindings_and_block): Don't set unused fields in
8594         the nesting stack.
8595         (expand_start_case, add_case_node): Cleanup unused formal arguments.
8596         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
8597         instead of emit_jump_if_reachable.
8598         (emit_case_nodes): Likewise.
8599         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
8600         static.
8601         (update_eh_label): Work around left-over exception handing regions.
8602         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
8603         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
8604         (pass_cleanup_cfg_post_optimizing): New pass.
8605         (init_tree_optimization_passes): Run the new pass after all
8606         optimizations.
8607         * tree.h (pushcase, pushcase_range): Remove prototypes.
8608         (expand_start_case, add_case_node): Update prototypes.
8609
8610 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
8611
8612         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
8613
8614 2004-07-16  Richard Henderson  <rth@redhat.com>
8615
8616         * builtins.c (std_expand_builtin_va_arg): Remove.
8617         (expand_builtin_va_arg): Remove.
8618         * expr.h: Don't declare them.
8619         * gimplify.c (mark_decls_volatile_r): Remove.
8620         (copy_if_shared_r): Don't call it.
8621         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
8622         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
8623         * gimple-low.c (lower_stmt): Likewise.
8624         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
8625         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
8626         * tree-ssa-operands.c (get_expr_operands): Likewise.
8627         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
8628         EXPAND_BUILTIN_VA_ARG.
8629         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
8630         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
8631         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
8632         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
8633
8634 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8635
8636         * tree-ssa-pre.c (insert_aux): Break out if we hit
8637         a critical edge.
8638
8639 2004-07-16  Richard Henderson  <rth@redhat.com>
8640
8641         * basic-block.h (remove_fake_exit_edges): Declare.
8642         * cfganal.c (remove_fake_predecessors): Rename from
8643         remove_fake_successors; iterate over predecessors.
8644         (remove_fake_exit_edges): New.
8645         * cfgcleanup.c (try_optimize_cfg): Use it.
8646         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
8647         * predict.c (estimate_probability): Likewise.
8648         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
8649         * tree-cfg.c (make_edges): Likewise.
8650         * tree-ssa-pre.c (fini_pre): Likewise.
8651         * profile.c (instrument_edges): Don't remove_fake_edges.
8652         (branch_prob): Do it earlier here.
8653
8654 2004-07-16  Richard Henderson  <rth@redhat.com>
8655
8656         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
8657         switchification wrt CONSTRUCTOR.  Document the reason.
8658
8659 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
8660
8661         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
8662         that prevented descriptive __mf_check source location strings.
8663
8664 2004-07-16  Richard Henderson  <rth@redhat.com>
8665
8666         * tree-def (WITH_SIZE_EXPR): New.
8667         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
8668         * expr.c (expand_expr_real_1): Likewise.
8669         * gimplify.c (maybe_with_size_expr): New.
8670         (gimplify_arg, gimplify_modify_expr): Use it.
8671         (gimplify_modify_expr_to_memcpy): Take size parameter.
8672         (gimplify_modify_expr_to_memset): Likewise.
8673         (gimplify_expr): Handle WITH_SIZE_EXPR.
8674         * tree-alias-common.c (find_func_aliases): Likewise.
8675         * tree-eh.c (tree_could_trap_p): Likewise.
8676         (tree_could_throw_p): Likewise.
8677         * tree-gimple.c (is_gimple_lvalue): Likewise.
8678         (get_call_expr_in): Likewise.
8679         * tree-inline.c (estimate_num_insns_1): Likewise.
8680         (expand_calls_inline): Likewise.
8681         * tree-nested.c (convert_call_expr): Likewise.
8682         * tree-pretty-print.c (dump_generic_node): Likewise.
8683         * tree-sra.c (sra_walk_expr): Likewise.
8684         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
8685         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
8686         * tree-ssa-operands.c (get_expr_operands): Likewise.
8687         * tree-tailcall.c (find_tail_calls): Likewise.
8688
8689         * calls.c (expand_call): Reset old_stack_allocated after
8690         calling emit_stack_restore.
8691
8692 2004-07-16  Richard Henderson  <rth@redhat.com>
8693
8694         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
8695         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8696         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
8697         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
8698         copy_res_decl_for_inlining.
8699
8700         * tree-inline.c (declare_return_variable): New modify_dest argument.
8701         Use it as the return value, when possible or manditory.  Handle
8702         TREE_ADDRESSABLE types.
8703         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
8704         replacement of CALL_EXPR.
8705
8706 2004-07-16  Richard Henderson  <rth@redhat.com>
8707
8708         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
8709         * gimple-low.c (expand_var_p): Don't check it.
8710         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
8711         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
8712         * tree-ssa-operands.c (add_stmt_operand): Likewise.
8713         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
8714         (find_referenced_vars): Don't call them.
8715         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
8716
8717 2004-07-16  Richard Henderson  <rth@redhat.com>
8718
8719         * function.c (pass_by_reference): True for all variable sized types.
8720
8721 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
8722
8723         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
8724         * tree-pretty-print.c: Include tree-chrec.h.
8725         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
8726         and POLYNOMIAL_CHREC nodes.
8727
8728 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
8729
8730         * builtins.c (expand_builtin_stpcpy): Do not create temporary
8731         reg with VOIDmode.
8732
8733 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8734
8735         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
8736
8737 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
8738
8739         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
8740         to BASE_REGNUM.
8741         * config/s390/s390.c: Likewise.
8742         * config/s390/s390.h: Likewise.
8743
8744 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8745
8746         * config/mips/mips.md (addsi3, adddi3): Remove special handling
8747         of $sp adds.  Remove REGNO checks from mips16 patterns.
8748
8749 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8750
8751         * config/mips/mips.md: Delete outdated comment.
8752
8753 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8754
8755         * config/mips/mips.c (get_float_compare_codes): Delete.
8756         (mips_emit_compare): New function, mostly extracted from
8757         get_float_compare_codes and gen_conditional_branch.
8758         (gen_conditional_branch, gen_conditional_move): Use it.
8759
8760 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
8761
8762         * genautomata.c (add_vect): Speedup by using integers as
8763         bit-vectors for walking through the comb_vect and finding
8764         a match.
8765
8766 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8767
8768         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
8769         operand is an uns_arith_operand; use subtraction otherwise.
8770         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
8771         not just arith_operands.
8772
8773 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8774
8775         * config/mips/mips-protos.h (gen_int_relational): Delete.
8776         (mips_emit_scc): Declare.
8777         * config/mips/mips.c (internal_test): Delete.
8778         (sle_operand, sleu_operand): New functions.
8779         (map_test_to_internal_test, gen_int_relational): Delete.
8780         (mips_emit_binary, mips_relational_operand_ok_p)
8781         (mips_emit_int_relational, mips_zero_if_equal)
8782         (mips_emit_scc): New functions.
8783         (gen_conditional_branch): Rework to use mips_emit_int_relational.
8784         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
8785         sleu_operand.
8786         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
8787         (sltu, sleu): Use mips_emit_scc.
8788         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
8789         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
8790         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
8791
8792 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8793
8794         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
8795
8796 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8797
8798         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
8799         (*sne_[sd]i): Likewise sne_[sd]i_zero.
8800         (*sgt_[sd]i): ...and sgt_[sd]i.
8801         (*slt_[sd]i): ...and slt_[sd]i.
8802         (*sgtu_[sd]i): ...and sgtu_[sd]i.
8803         (*sltu_[sd]i): ...and sltu_[sd]i.
8804         (*sleu_[sd]i): ...and sleu_[sd]i_const.
8805         Name previously unnamed mips16 patterns.  Formatting fixes.
8806
8807 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8808
8809         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
8810         (branch_type): Delete.
8811         (gen_conditional_branch, gen_conditional_move)
8812         (mips_gen_conditional_trap): Update after name change.  Get the
8813         comparison mode from cmp_operands[0].
8814         * config/mips/mips.h (cmp_type, branch_type): Delete.
8815         (cmp_operands): Renamed from branch_cmp.
8816         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
8817         name change.  Don't set branch_type.
8818         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
8819         mode class of cmp_operands[0] rather than branch_type.  Update after
8820         name change.
8821
8822 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8823
8824         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
8825         of 0...255 to 0 when inside a SET.
8826
8827 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
8828
8829         * config/mips/mips.md: Remove mips16 define_peepholes.
8830
8831 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
8832
8833         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
8834         (fini_pre): Remove fake edges.
8835
8836 2004-07-15  Richard Henderson  <rth@redhat.com>
8837
8838         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
8839         (get_indirect_ref_operands, get_call_expr_operands): ... these.
8840
8841 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8842
8843         * vec.h (VEC_address): New function.
8844
8845 2004-07-14  Jason Merrill  <jason@redhat.com>
8846
8847         PR middle-end/15885
8848         * gimplify.c (gimplify_arg): New fn, split out from...
8849         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
8850
8851 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8852
8853         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
8854         generate code which is generated by pushqi1 now
8855         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
8856
8857 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
8858
8859         * combine.c (simplify_set): match the mode of the constant 0 with
8860         the tested operand to match the compare behaviour and the
8861         simplify_relational_operation() expectation.
8862
8863 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8864
8865         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
8866         ("bordered"): Same.
8867
8868 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
8869
8870         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
8871         unconditionally.
8872         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
8873
8874 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8875
8876         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
8877         calls in mips16 code.
8878
8879 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
8880
8881         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
8882         the destination of the li as well as for the neg.
8883
8884 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
8885
8886         g++/15861
8887         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
8888         * cgraph.h: Update declaration.
8889         * c-decl.c (build_cdtor): Update call with default priority.
8890         * coverage.c (create_coverage): Ditto.
8891         * tree-mudflap.c (mf_init_fndecl): New tree.
8892         (mudflap_init): Set it.
8893         (mudflap_register_call): Arrange to call __mf_init before the first
8894         __mf_register call.
8895         (mudflap_finish_file): Mark the mudflap static initializer as extra
8896         high priority, to beat all C++ static constructors.
8897
8898 2004-07-15  Jeff Law  <law@redhat.com>
8899
8900         * loop.c (check_insn_for_givs): Restore check for code labels that was
8901         accidentally deleted by a recent checkin.
8902
8903 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
8904
8905         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
8906         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
8907
8908 2004-07-14  Richard Henderson  <rth@redhat.com>
8909
8910         * print-tree.c (print_node): Fix casts last change.
8911
8912 2004-07-15  Paul Brook  <paul@codesourcery.com>
8913
8914         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
8915         to TARGET_UNWIND_INFO.
8916         * except.c (output_function_exception_table): Ditto.
8917         * except.h: Ditto.
8918         * opts.c (decode_options): Ditto.
8919         * passes.c (rest_of_handle_final): Ditto.
8920         * final.c (final_start_function): Ditto.
8921         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
8922         target hook.
8923         * targhooks.h (default_unwind_emit): Declare.
8924         * targhooks.c (default_unwind_emit): New function.
8925         * target-def.h: Define and use TARGET_UNWIND_EMIT.
8926         * target.h (struct gcc_target): Add unwind_emit.
8927         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
8928         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
8929         Remove IA64_UNWIND_EMIT.
8930         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
8931
8932 2004-07-14  Richard Henderson  <rth@redhat.com>
8933
8934         * print-tree.c (print_node): Handle SSA_NAME.
8935
8936 2004-07-14  James E Wilson  <wilson@specifixinc.com>
8937
8938         PR target/16325
8939         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
8940         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
8941
8942 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
8943
8944         * expr.c (expand_assignment): Reenable bitfield += optimizations.
8945         Use alias set 0 for memory, do proper mode calculations and adjust
8946         address for memories.
8947
8948 2004-07-14  Per Bothner  <per@bothner.com>
8949
8950         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
8951         structure with extra column field.
8952         * tree.c (expand_location):  Also fill in column field.
8953         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
8954         gets confused by the two conditionally-compiled definitions.
8955
8956 2004-07-14  Eric Christopher  <echristo@redhat.com>
8957
8958         * calls.c (expand_call): Fix typo in comment.
8959
8960 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
8961
8962         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
8963         comparision of TFmode.
8964
8965 2004-07-14  Richard Henderson  <rth@redhat.com>
8966
8967         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
8968         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
8969         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
8970         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
8971         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8972         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
8973         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8974         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8975         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8976
8977 2004-07-14  Mike Stump  <mrs@apple.com>
8978
8979         * config/darwin.h (WINT_TYPE): Define to be int to match
8980         system header files.
8981
8982 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
8983
8984         * config/xtensa/xtensa.c (function_arg_advance): Check for args
8985         that must be passed in the stack.
8986         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
8987         arguments if the size is not a constant.
8988
8989 2004-07-14  Per Bothner  <per@bothner.com>
8990
8991         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
8992         instead of EXPR_LOCUS in a boolean context, which is always true
8993         if --enable-mapped-location.
8994         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
8995
8996 2004-07-14  Richard Henderson  <rth@redhat.com>
8997
8998         * dominance.c (struct dom_info): Add fake_exit_edge.
8999         (init_dom_info): Allocate it.
9000         (free_dom_info): Free it.
9001         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
9002         in two passes.
9003         (calc_idoms): Honor fake_exit_edge.
9004
9005 2004-07-13  Jason Merrill  <jason@redhat.com>
9006
9007         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
9008         (rhs_test_for): New fn.
9009         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
9010         * tree-gimple.h: Declare them.
9011         * gimplify.c (gimplify_modify_expr): Use the new fns.
9012
9013 2004-07-14  Richard Henderson  <rth@redhat.com>
9014
9015         * config/arm/arm-protos.h (arm_va_arg): Remove.
9016         * config/arm/arm.c (arm_va_arg): Remove.
9017         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
9018         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
9019
9020 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9021
9022         * pa.c (fix_range): New function to mark a range(s) of registers as
9023         fixed registers.
9024         (override_options): Call fix_range if the -mfixed-range option string
9025         is not empty.
9026         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
9027         * doc/invoke.texi (-mfixed-range): Document new option.
9028
9029 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
9030
9031         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
9032         for TARGET_64BIT.
9033         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
9034
9035 2004-07-14  Roger Sayle  <roger@eyesopen.com>
9036
9037         * expmed.c (expand_sdiv_pow2): New function to expand signed division
9038         by a positive power of two, split out from expand_divmod.  Provide
9039         an alternate implementation when shifts are expensive.  Lower the
9040         threshold for using a branchless implementation to BRANCH_COST >= 2.
9041         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
9042
9043 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
9044
9045         * tree-dfa.c (make_rename_temp): *Really* work just
9046         like create_tmp_var if called while outside SSA form.
9047
9048 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9049
9050         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
9051         for division by zero.
9052         ("umodsi3"): Likewise.
9053
9054 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
9055
9056         * config/mips/mips.c (mips_output_move): When generating mips16 code,
9057         force loads of negative constants to be split.
9058         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
9059         Generalize SImode li/neg splitter to cope with other modes.
9060
9061 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
9062
9063         * expmed.c: Remove more references to QUEUED in the comments.
9064         * expr.c: Likewise.
9065
9066 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
9067
9068         Revert:
9069         2004-07-13  Richard Henderson  <rth@redhat.com>
9070         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
9071         correctly.
9072
9073 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
9074
9075         * tree-dfa.c (make_rename_temp): Work just like
9076         create_tmp_var if called while outside SSA form.
9077
9078 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
9079
9080         * expr.c (enqueue_insn, finish_expr_for_function,
9081         protect_from_queue, queued_subexp_p, mark_queue,
9082         emit_insns_enqueued_after_mark, emit_queue,
9083         expand_increment): Remove.
9084         (store_constructor): Expand increment as an assignment.
9085         (expand_expr_real_1 <case PREINCREMENT_EXPR,
9086         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
9087         case POSTDECREMENT_EXPR>): Abort.
9088         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
9089         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
9090         protect_from_queue, emit_queue, queued_subexp_p): Remove.
9091         * function.h (pending_chain, x_pending_chain): Remove.
9092         * rtl.def (QUEUED): Remove.
9093
9094         * emit-rtl.c (copy_insn_1, copy_most_rtx,
9095         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
9096         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
9097         encode_units_mask): Likewise.
9098         * local-alloc.c (equiv_init_varies_p): Likewise.
9099         * rtl.c (copy_rtx): Likewise.
9100         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
9101         * simplify-rtx.c (simplify_gen_subreg): Likewise.
9102         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
9103
9104         * builtins.c (expand_builtin, expand_builtin_apply,
9105         expand_builtin_mathfn, expand_builtin_mathfn_2,
9106         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
9107         Remove calls to emit_queue and protect_from_queue.
9108         * calls.c (expand_call, precompute_arguments,
9109         precompute_register_parameters, rtx_for_function_call,
9110         store_one_arg): Likewise.
9111         * dojump.c (do_compare_and_jump, do_jump): Likewise.
9112         * explow.c (memory_address): Likewise.
9113         * expmed.c (clear_by_pieces_1, clear_storage,
9114         clear_storage_via_libcall, emit_group_load,
9115         emit_group_store, emit_store_flag,
9116         expand_expr_real_1, store_by_pieces,
9117         store_constructor, store_expr, try_casesi,
9118         try_tablejump): Likewise.
9119         * function.c (expand_pending_sizes): Likewise.
9120         * optabs.c (emit_cmp_and_jump_insns,
9121         emit_conditional_add, emit_conditional_move,
9122         expand_fix, expand_float, prepare_cmp_insn): Likewise.
9123         * stmt.c (emit_case_bit_tests,
9124         expand_asm_expr, expand_computed_goto,
9125         expand_decl_init, expand_end_case_type,
9126         expand_end_stmt_expr, expand_expr_stmt_value,
9127         expand_return, expand_start_case,
9128         optimize_tail_recursion): Likewise.
9129         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
9130         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
9131
9132 2004-07-14  Ben Elliston  <bje@au.ibm.com>
9133
9134         * vec.h: Comment fix.
9135
9136 2004-07-13  Richard Henderson  <rth@redhat.com>
9137
9138         * target.h (struct gcc_target): Add calls.pass_by_reference.
9139         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
9140         * function.c (pass_by_reference): Use the hook.
9141         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
9142         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
9143         (hook_pass_by_reference_must_pass_in_stack): New.
9144         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
9145         (alpha_pass_by_reference): New.
9146         (TARGET_PASS_BY_REFERENCE): New.
9147         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9148         * config/arc/arc.c (arc_pass_by_reference): New.
9149         (TARGET_PASS_BY_REFERENCE): New.
9150         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9151         (FUNCTION_ARG_CALLEE_COPIES): True.
9152         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
9153         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
9154         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
9155         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9156         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9157         * config/cris/cris.c (cris_pass_by_reference): New.
9158         (TARGET_PASS_BY_REFERENCE): New.
9159         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
9160         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
9161         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9162         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
9163         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9164         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
9165         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
9166         (frv_function_arg_pass_by_reference): Remove.
9167         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9168         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
9169         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
9170         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
9171         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9172         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
9173         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
9174         (ia64_pass_by_reference): Rename from
9175         ia64_function_arg_pass_by_reference.
9176         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9177         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9178         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
9179         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
9180         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
9181         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9182         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
9183         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
9184         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
9185         (m32r_pass_by_reference): Adjust prototype.  Make static.
9186         Handle mode sizes correctly.
9187         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9188         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
9189         (m68hc11_function_arg_pass_by_reference): Remove.
9190         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9191         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
9192         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
9193         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9194         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
9195         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
9196         (mips_va_arg): Use pass_by_reference.
9197         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
9198         Handle mode sizes correctly.
9199         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9200         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
9201         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
9202         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
9203         (mmix_pass_by_reference): Rename from
9204         mmix_function_arg_pass_by_reference.
9205         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9206         (FUNCTION_ARG_CALLEE_COPIES): True.
9207         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
9208         (mn10300_pass_by_reference): New.
9209         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9210         (FUNCTION_ARG_CALLEE_COPIES): True.
9211         * config/pa/pa.c (pa_pass_by_reference): New.
9212         (TARGET_PASS_BY_REFERENCE): New.
9213         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9214         (FUNCTION_ARG_CALLEE_COPIES): True.
9215         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
9216         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
9217         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
9218         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9219         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
9220         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
9221         (s390_pass_by_reference): Rename from
9222         s390_function_arg_pass_by_reference.
9223         (s390_function_arg_advance): Don't query pass-by-ref.
9224         (s390_function_arg): Likewise.
9225         (s390_gimplify_va_arg): Use pass_by_reference.
9226         (s390_call_saved_register_used): Likewise.
9227         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9228         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
9229         (shcompact_byref, sh_pass_by_reference): New.
9230         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9231         (SHCOMPACT_BYREF): Remove.
9232         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
9233         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
9234         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
9235         (sparc_gimplify_va_arg): Use pass_by_reference.
9236         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9237         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9238         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
9239         (v850_pass_by_reference): New.
9240         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9241         (FUNCTION_ARG_CALLEE_COPIES): True.
9242         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
9243         FUNCTION_ARG_PASS_BY_REFERENCE docs.
9244
9245 2004-07-14  Richard Henderson  <rth@redhat.com>
9246             Richard Sandiford  <rsandifo@redhat.com>
9247
9248         * config/mips/mips-protos.h (mips_va_arg): Delete.
9249         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
9250         * config/mips/mips.c: Include tree-gimple.h.
9251         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
9252         (mips_arg_info): Remove special handling of must_pass_in_stck args.
9253         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
9254         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
9255
9256 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
9257
9258         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
9259         arguments for COND_EXPR in big-endian adjustment code.
9260
9261 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9262
9263         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
9264         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
9265         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
9266         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
9267
9268 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
9269
9270         PR tree-optimization/16443
9271         * tree-ssa-alias.c: Add more description for
9272         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
9273         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
9274         clobbering of call-clobbered and addressable variables.  If
9275         there are any before aliases have been computed, add them.
9276
9277 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
9278
9279         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
9280         verification.
9281
9282 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
9283
9284         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
9285         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
9286         to the same type.
9287
9288 2004-07-13  Per Bothner  <per@bothner.com>
9289
9290         * collect2.c (main):  Handle --no-demangle and --demangle flags.
9291
9292 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
9293
9294         * Makefile.in (OBJS-common): Add tree-data-ref.o.
9295         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
9296         (tree-data-ref.o): New rule.
9297         * lambda.h: New file.
9298         * tree-data-ref.c: New file.
9299         * tree-data-ref.h: New file.
9300         * tree.c (int_cst_value, tree_fold_gcd): New functions.
9301         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
9302
9303 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9304
9305         PR target/13926
9306         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
9307         * config/sparc/sparc.c (output_ubranch): New function.
9308         * config/sparc/sparc.md (jump pattern): Use it.
9309
9310 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9311
9312         PR target/16494
9313         * config/sparc/sparc.c (output_cbranch): Properly guard
9314         the code handling far branches with TARGET_V9.
9315         * config/sparc/sparc.md (length attribute): Document the
9316         side-effect of having a length greater or equal to 3.
9317
9318 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9319             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
9320
9321         PR target/15186
9322         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
9323         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
9324
9325 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9326             Martin Sebor  <sebor@roguewave.com>
9327
9328         PR target/12602
9329         * doc/invoke.texi (SPARC options): Document -threads
9330         and -pthreads on Solaris.
9331
9332 2004-07-13  Richard Henderson  <rth@redhat.com>
9333
9334         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
9335         by reference.
9336         (ind_gimplify_va_arg_expr): Remove.
9337         * tree.h (ind_gimplify_va_arg_expr): Remove.
9338         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
9339         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
9340         argsp to be null.
9341
9342         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
9343         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
9344         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
9345         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
9346         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
9347
9348 2004-07-13  Richard Henderson  <rth@redhat.com>
9349
9350         * function.c (pass_by_reference): New.
9351         (assign_parm_find_data_types): Use it.
9352         * calls.c (initialize_argument_information): Likewise.
9353         (emit_library_call_value_1): Likewise.
9354         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
9355         * function.h (pass_by_reference): Declare.
9356
9357 2004-07-13  Richard Henderson  <rth@redhat.com>
9358
9359         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
9360         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
9361         * expr.h (MUST_PASS_IN_STACK): Remove.
9362         * system.h (MUST_PASS_IN_STACK): Poison.
9363         * tree.h (must_pass_in_stack_var_size): Declare.
9364         (must_pass_in_stack_var_size_or_pad): Declare.
9365         * calls.c (must_pass_in_stack_var_size): New.
9366         (must_pass_in_stack_var_size_or_pad): Rename from
9367         default_must_pass_in_stack.
9368         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
9369         (TARGET_MUST_PASS_IN_STACK): New.
9370         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
9371         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
9372         (TARGET_MUST_PASS_IN_STACK): New.
9373         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
9374         * config/frv/frv.c (frv_must_pass_in_stack): New.
9375         (TARGET_MUST_PASS_IN_STACK): New.
9376         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
9377         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
9378         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
9379         (ix86_must_pass_in_stack): Make static.
9380         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
9381         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
9382         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
9383         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
9384         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
9385         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
9386         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
9387         (mcore_must_pass_on_stack): Remove.
9388         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
9389         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
9390         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
9391         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
9392         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
9393         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
9394         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
9395         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
9396         (TARGET_MUST_PASS_IN_STACK): New.
9397         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
9398         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
9399         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
9400         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
9401         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
9402         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
9403         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
9404         MUST_PASS_IN_STACK.
9405
9406         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
9407         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
9408         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
9409         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
9410         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
9411         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
9412         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
9413         config/xtensa/xtensa.c: Use target hook.
9414
9415 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
9416
9417         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
9418         * configure: Rebuilt.
9419
9420 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9421
9422         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
9423         * config/mips/mips.h (mips_reg_names): Don't declare.
9424         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
9425         (TARGET_NAME_REGS): Delete.
9426         (TARGET_SWITCHES): Remove -mrnames.
9427         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
9428         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
9429         in REGISTER_NAMES.
9430         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
9431         (override_options): Remove handling of TARGET_NAME_REGS.
9432
9433 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
9434
9435         * config/mips/mips.h (TARGET_*): Boolify.
9436
9437 2004-07-12  Nick Clifton  <nickc@redhat.com>
9438
9439         * config.gcc: Add sh-*-symbianelf target.
9440         * config/sh/sh.c: Add new target macros:
9441         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
9442         TARGET_CXX_IMPORT_EXPORT_CLASS.
9443         (sh_file_start): Create a definition of the .directive section.
9444         (sh_attribute): Add dllimport and dllexport attributes.
9445         * config/sh/symbian-pre.h: New file.
9446         * config/sh/symbian-post.h: New file.
9447         * config/sh/symbian.c: New file. Contains Symbian specific
9448         functions.
9449         * config/sh/sh-protos.h: Add prototypes for new functions
9450         provided by symbian.c.
9451         * config/sh/t-symbian: New file.
9452         * doc/extend.texi: Document support for dllimport and dllexport
9453         attributes by the sh-symbianelf target.
9454
9455 2004-07-12  James E Wilson  <wilson@specifixinc.com>
9456
9457         * Makefile.in (AR): Use @AR@ not ar.
9458         (NM): New.
9459         (AR_FOR_TARGET): Use $(AR) not ar for native.
9460         (NM_FOR_TARGET): Use $(NM) not nm for native.
9461         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
9462         * configure: Regenerate.
9463
9464 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
9465
9466         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
9467         special case.
9468         (ashldi3_sp64): Likewise.
9469
9470 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9471
9472         PR target/16477
9473         * pa.c (function_arg): Update comment.
9474         * pa.h (BLOCK_REG_PADDING): Define.
9475
9476 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9477
9478         PR tree-optimization/16461
9479         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
9480         arguments of phi nodes.
9481
9482 2004-07-12  Devang Patel  <dpatel@apple.com>
9483
9484         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
9485
9486 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
9487
9488         * function.c (expand_function_start): Ensure r_save is in Pmode.
9489         * calls.c (prepare_call_address): Ensure static_chain_value is
9490         in Pmode.
9491         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
9492         r_save_area are in Pmode.
9493         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
9494         fnaddr, and static_chain are in Pmode.
9495
9496 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
9497
9498         PR target/16445
9499         * config/ia64/ia64.c (bundling): Don't count ignored insns.
9500
9501 2004-07-12  Richard Henderson  <rth@redhat.com>
9502
9503         * target.h (struct gcc_target): Move gimplify_va_arg_expr
9504         next to build_builtin_va_list.
9505         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
9506         * builtins.c (gimplify_va_arg_expr): Likewise.
9507         * gimplify.c (copy_if_shared_r): Likewise.
9508
9509 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
9510
9511         * passes.c (rest_of_decl_compilation): Don't defer call of
9512         assemble_variable if its DECL_RTL is already set.
9513
9514 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
9515
9516         * cfgloop.h (struct loop): Add nb_iterations field.
9517         (current_loops): Declare.
9518         * tree-chrec.c (chrec_not_analyzed_yet,
9519         chrec_dont_know, chrec_known, count_ev_in_wider_type,
9520         chrec_contains_symbols_defined_in_loop): Remove the temporary
9521         hooks.
9522         * tree-flow-inline.h (loop_containing_stmt): New function.
9523         * tree-scalar-evolution.c: Add implementation.
9524         * tree-scalar-evolution.h: Add declarations.
9525
9526 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
9527
9528         PR rtl-optimization/15921
9529         * Makefile.in (global.o): Add recog.h.
9530
9531         * global.c (recog.h): Add the include-clause.
9532         (bb_info): New member earlyclobber.
9533         (allocate_bb_info, free_bb_info): Initialize/finish the new
9534         member.
9535         (earlyclobber_regclass, earlyclobber_regclass_length): The new
9536         global variables.
9537         (check_earlyclobber, regclass_intersect,
9538         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
9539         New functions.
9540         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
9541         (make_accurate_live_analysis): Modify pavin.
9542
9543 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
9544
9545         * tree-cfg.c (find_taken_edge): Statically compute the truth
9546         value of a predicate comparing an SSA_NAME to itself.
9547
9548 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9549
9550         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
9551         rs6000 doesn't have shift-and-add or shift-and-sub instructions
9552         by returning the cost of a multiplication plus an addition.
9553
9554 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
9555
9556         PR tree-optimization/14107
9557         * gimplify.c (gimplify_return_expr): Accept a
9558         RETURN_EXPR with an error argument.
9559         * tree-optimize.c (init_tree_optimization_passes):
9560         Run pass_warn_function_return at -O0.
9561
9562 2004-07-12  Roger Sayle  <roger@eyesopen.com>
9563
9564         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
9565         index entry.
9566
9567 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
9568
9569         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
9570         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
9571         * config/mips/3000.md: Add copyright notice.  Remove automota and
9572         function units; use generic ones instead.  Only define reservations
9573         for things that are different from generic.md.  Extend each clause
9574         to include r3900.
9575         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
9576         * config/mips/mips.md: Include them. Remove define_function_units.
9577         (alu, imuldiv): New automata and units.
9578
9579 2004-07-12  Ben Elliston  <bje@au.ibm.com>
9580
9581         * doc/invoke.texi (Optimize Options): Document -frename-registers
9582         not being enabled by default at -O3.
9583
9584 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9585
9586         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
9587         floating point additions, to keep real immediate constant positive.
9588         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
9589         into X + C, and leave positive real constants as X - C.
9590
9591 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9592
9593         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
9594
9595 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9596
9597         PR tree-optimization/15654
9598         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
9599
9600 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9601
9602         * builtins.c (fold_builtin_fputs): Don't bother converting the
9603         return type to integer_type_node, as we've already checked that
9604         the result will be ignored.
9605
9606         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
9607         that signed addition, subtraction, multiplication, division,
9608         remainder, negation and absolute value may potentially trap.
9609
9610         * fold-const.c (fold_ignored_result): New function to strip
9611         non-side-effecting tree nodes from an expression whose result
9612         is ignored.
9613         (fold_convert): Call fold_ignored_result when casting a value
9614         to VOID_TYPE.
9615         (omit_one_operand):  Call fold_ignored_result on the "omitted"
9616         operand when building a COMPOUND_EXPR.
9617         (pedantic_omit_one_operand): Likewise.
9618         * tree.h (fold_ignored_result): Prototype here.
9619         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
9620         when we're going to ignore the result.
9621
9622 2004-07-11  Richard Henderson  <rth@redhat.com>
9623
9624         PR tree-opt/16383
9625         * tree-ssa-ccp.c (fold_stmt_r): Split out...
9626         * tree.c (fields_compatible_p, find_compatible_field): ... new.
9627         * tree.h (fields_compatible_p, find_compatible_field): Declare.
9628         * tree-sra.c (sra_hash_tree): Hash fields by offset.
9629         (sra_elt_eq): Use fields_compatible_p.
9630         (generate_one_element_ref): Use find_compatible_field.
9631
9632 2004-07-11  Richard Henderson  <rth@redhat.com>
9633
9634         PR tree-opt/16422
9635         * tree-sra.c (generate_one_element_init): New.
9636         (generate_element_init): Use it.
9637         (scalarize_init): Push/pop gimplify context around it.
9638         (find_new_referenced_vars_1, find_new_referenced_vars): New.
9639         * gimplify.c (gimplify_expr): Allow SSA_NAME.
9640
9641 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9642
9643         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
9644         combine.c's combine_insn_cost.
9645         * rtl.h (insn_rtx_cost): Prototype here.
9646         * combine.c (combine_insn_cost): Delete function.
9647         (combine_validate_cost): Update callers of combine_insn_cost to
9648         call insn_rtx_cost instead.
9649         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
9650         requesting the rtx_cost of call and/or jump instructions.
9651
9652         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
9653         rtx_cost directly.  Don't request/use the cost of call or jump
9654         instructions.  Return -1 if the cost of any instruction can't be
9655         determined (or the BB contains a function call).
9656         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
9657         -1 (i.e. can't determine the cost of any instruction or the basic
9658         block contains a subroutine call).
9659         (find_if_case_2): Likewise.
9660
9661 2004-07-11  Roger Sayle  <roger@eyesopen.com>
9662
9663         * rs6000.c (struct processor_costs): Change semantics of fields to
9664         include the COST_N_INSNS scaling, and update all initializers.
9665         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
9666         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
9667         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
9668         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
9669
9670 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9671
9672         * LANGUAGES: Remove obsolete information.
9673
9674 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9675
9676         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
9677         SIGBUS signal frames, the PSW address points *to* the faulting
9678         instruction, not after it.
9679
9680 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9681
9682         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
9683         added to TLS symbol addresses.
9684
9685 2004-07-11  Richard Henderson  <rth@redhat.com>
9686
9687         * expmed.c (init_expmed): Use stack-local structures for
9688         temporary rtl.  Don't recognize shifts.
9689
9690 2004-07-11  Richard Henderson  <rth@redhat.com>
9691
9692         * expr.c (store_expr): Don't fiddle subreg promotion for types
9693         with precision smaller than the mode.
9694
9695 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9696
9697         * tree.h (all_types_permanent): Remove.
9698
9699 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9700
9701         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
9702         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
9703         * langhooks.c (lhd_clear_binding_stack): Remove.
9704         * langhooks-def.h (lhd_clear_binding_stack,
9705         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9706         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
9707         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
9708         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9709         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
9710         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
9711         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
9712         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
9713         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
9714         * tree.h (poplevel): Don't declare.
9715         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
9716         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
9717         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
9718         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
9719         Remove.
9720
9721 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
9722
9723         PR tree-optimization/16437
9724         * c-common.c (shorten_compare): Don't mark result of conversion to
9725         narrower signed type as overflowing.
9726         * fold-const.c (decode_field_reference): Determine whether
9727         signedness comes from outer type using precision rather than size.
9728
9729 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9730
9731         * configure.ac:  Alphabetize --enable-checking list, add
9732         missing valgrind entry.
9733         * configure:  Regenerate.
9734
9735 2004-07-11  Phil Edwards  <phil@codesourcery.com>
9736
9737         * doc/install.texi (Testing):  Fix syntax in "make check" example.
9738
9739 2004-07-10  James E Wilson  <wilson@specifixinc.com>
9740
9741         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
9742
9743 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9744
9745         PR rtl-optimization/16001
9746         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
9747         niter_expr.
9748
9749 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
9750
9751         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
9752
9753 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
9754             James Morrison  <phython@gcc.gnu.org>
9755
9756         * doc/contrib.texi (Contributors): Add gfortran contributors and
9757         fix a couple of typos.
9758
9759 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9760
9761         PR rtl-optimization/15387
9762         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
9763         to incoming args space correctly.
9764
9765 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9766
9767         * pa.c (output_indirect_call): Only use %r2 as the link register in
9768         indirect calls with the long PA 2.0 pc-relative branch.
9769
9770 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
9771
9772         * config/i386/i386.c (override_options): Pick a 64-bit CPU
9773         for the default tuning if TARGET_64BIT.
9774
9775 2004-07-10  Richard Henderson  <rth@redhat.com>
9776
9777         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
9778         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
9779
9780 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
9781
9782         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
9783         * expmed.c (store_bit_field, extract_bit_field): Remove last
9784         argument.
9785         * builtins.c (expand_builtin_signbit): Adjust callers.
9786         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
9787         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
9788         * ifcvt.c (noce_emit_move_insn): Likewise.
9789         * stmt.c (expand_return): Likewise.
9790         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
9791         store_field, expand_expr_real_1): Likewise.
9792
9793 2004-07-10  Richard Henderson  <rth@redhat.com>
9794
9795         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
9796
9797 2004-07-09  Mike Stump  <mrs@apple.com>
9798
9799         * config/darwin.c (no_dead_strip): Add.
9800         (HAVE_DEAD_STRIP): Add.
9801         (darwin_emit_unwind_label): Ensure that we don't dead code strip
9802         the .eh label.
9803
9804 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9805
9806         * tree-ssa-loop-im.c: New file.
9807         * Makefile.in (tree-ssa-loop-im.o): Add.
9808         * cfgloop.c (superloop_at_depth): New function.
9809         * cfgloop.h (superloop_at_depth): Declare.
9810         * common.opt (ftree-lim): New flag.
9811         * expr.c (array_ref_up_bound): New function.
9812         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
9813         * timevar.def (TV_LIM): New timevar.
9814         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
9815         computing immediate uses of a phi node.
9816         * tree-flow.h (struct tree_ann_common_d): Add aux field.
9817         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
9818         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
9819         * tree-pass.h (pass_lim): Declare.
9820         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
9821         functions.
9822         (pass_lim): New pass structure.
9823         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
9824         * tree.c (in_array_bounds_p): New function.
9825         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
9826         (in_array_bounds_p, array_ref_up_bound): Declare.
9827         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
9828         * doc/passes.texi (tree-ssa-loop-im.c): Document.
9829
9830 2004-07-09  Richard Henderson  <rth@redhat.com>
9831
9832         * builtins.c (expand_builtin_stpcpy): Don't modify len.
9833
9834         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
9835         with prejudice.
9836
9837 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
9838
9839         * flags.h: Delete redundant prototypes that are being generated
9840         in options.h from common.opt.
9841         * common.opt: Add in the expository comments formerly in flags.h.
9842
9843 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9844
9845         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
9846         available for use only when TARGET_MMX/_SSE is set, and check for
9847         variable argument function if any register count is non-zero.
9848         (function_arg): Correctly suppress repeated warnings for passing SSE
9849         vectors are arguments without SSE enabled.
9850         (ix86_function_arg_boundary): Without SSE enabled, the use of what
9851         would be SSE register modes does no longer influence the alignment.
9852
9853 2004-07-09  Richard Henderson  <rth@redhat.com>
9854
9855         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
9856         Always align upward to arg boundary.  Use size_in_bytes/round_up.
9857         Maintain type-correctness of constants.
9858         * stor-layout.c (round_up, round_down): Special-case powers of 2.
9859
9860 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9861
9862         * config/sparc/sparc.c (*_costs): Scale instruction costs
9863         by COSTS_N_INSNS.
9864         (sparc_rtx_costs): Adjust as appropriate.
9865
9866 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9867
9868         * config/i386/mm3dnow.h: New.
9869         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
9870
9871 2004-07-09  Richard Henderson  <rth@redhat.com>
9872
9873         * simplify-rtx.c (simplify_const_relational_operation): Only
9874         look at bounds of scalar integers.
9875
9876 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9877
9878         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
9879
9880 2004-07-09  Andrew Pinski  <apinski@apple.com>
9881
9882         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
9883         always referenced.
9884         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
9885         UOBJC_METACLASS_decl.
9886
9887 2004-07-09  James E Wilson  <wilson@specifixinc.com>
9888
9889         PR target/16364
9890         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
9891         do return a parallel if hfa_mode == XFmode and mode == TImode.
9892
9893 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9894
9895         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
9896         permissible for unary plus.
9897
9898 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9899
9900         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
9901         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
9902         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
9903         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
9904         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
9905         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
9906         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
9907         (BUILTIN_xxxIMAX): New.
9908         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
9909         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
9910         BUILT_IN_PARITYIMAX.
9911
9912 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
9913
9914         * config/sparc/sparc.h (processor_costs): Define.
9915         (sparc_costs): Declare.
9916         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
9917         hypersparc_costs, sparclet_costs, ultrasparc_costs,
9918         ultrasparc3_costs): New.
9919         (sparc_override_options): Set sparc_costs as appropriate.
9920         (sparc_rtx_costs): Use sparc_costs instead of messy
9921         conditionals.
9922
9923 2004-07-09  Steven Bosscher  <stevenb@suse.de>
9924
9925         * doc/md.texi (Processor pipeline description): Mention that
9926         the old pipeline description is deprecated.
9927
9928         * config/rs6000/7450.md (automaton ppc7450): Split up, move
9929         mciu_7450 function unit to...
9930         (automaton ppc7450mciu): ...new automaton.
9931
9932         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
9933         (schedule_block): Don't consider inserting bubbles.
9934         (sched_init): Don't initialize DFA bubbles.
9935         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
9936         TARGET_SCHED_DFA_BUBBLE): Remove.
9937         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
9938         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
9939         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
9940
9941         * stmt.c (conditional_context): Remove prototype.
9942         * tree.h (conditional_context): Remove.
9943         * tree-cfg.c (pre_insert_on_edge): Remove.
9944
9945         * c-common.h (c_expand_asm_operands): Remove prototype.
9946         * c-typeck.c (c_expand_asm_operands): Remove.
9947
9948 2004-07-09  Jan Beulich  <jbeulich@novell.com>
9949
9950         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
9951         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
9952         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
9953         and V8QI are class SSE. All sufficiently small remaining vector modes
9954         must be passed in one or two integer registers.
9955         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
9956         returned in memory.
9957         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
9958         __builtin_ia32_pmuludq128 have non-uniform argument and return types
9959         and must thus be handled explicitly.
9960         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
9961         MMX and XMM regs.
9962         (movv8qi_internal, movv4hi_internal, movv2si_internal,
9963         movv2sf_internal): Permit moving between MMX and XMM registers (since
9964         MMX areguments and return values are passed in XMM registers).
9965         (sse2_umulsidi3): Correct type and mode.
9966
9967 2004-07-09  Richard Henderson  <rth@redhat.com>
9968
9969         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
9970
9971 2004-07-09  Eric Christopher  <echristo@redhat.com>
9972
9973         * config/rs6000/40x.md: Split into two automatons.
9974
9975 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
9976             Andrew Pinski  <apinski@apple.com>
9977
9978         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
9979         on when we have more than one input file.
9980         (c_common_parse_file): Restore loop over all input files.
9981         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
9982
9983         * c-decl.c (set_type_context): New function.
9984         (pop_scope): Use it to set context of types.  When we
9985         encounter a TYPE_DECL, set the context of the attached type too.
9986         (pop_file_scope): Don't call cpp_undef_all here.
9987         (diagnose_mismatched_decls): Do not complain about a second
9988         definition of an 'extern inline' function if it's not in the
9989         same translation unit.  Do not complain about inline
9990         declaration after use if the use was in a different
9991         translation unit.
9992         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
9993         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
9994         the external scope.
9995         (pushdecl_top_level): Likewise.
9996         (grokdeclarator): Clarify what is going on with setting
9997         DECL_EXTERNAL on function types, a little.
9998         (c_write_global_declarations): Don't do anything if
9999         -fsyntax-only or errors have been encountered.
10000
10001 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
10002
10003         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
10004
10005 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10006
10007         PR target/16459
10008         * pa.c (output_indirect_call): Use %r2 as the link register when
10009         calling $$dyncall with a pc-relative branch.
10010
10011 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
10012
10013         * doc/install.texi (Binaries): Mention OpenPKG.
10014
10015 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
10016
10017         Fix PR tree-optimization/15555
10018         * tree-dfa.c (dump_variable): If the variable is a pointer
10019         SSA_NAME, also dump its points-to information.
10020         * tree-flow.h (struct ptr_info_def): Add field
10021         is_dereferenced.
10022         (dump_points_to_info_for): Declare.
10023         (debug_points_to_info_for): Declare.
10024         * tree-optimize.c (init_tree_optimization_passes): Add a
10025         second alias analysis pass after DOM2.
10026         Move pass_del_pta to a later spot.
10027         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
10028         create a name tags when we find a dereferenced pointer.  Just
10029         mark the pointer dereferenced.
10030         (collect_points_to_info_for): Move code to clear points-to
10031         information to create_name_tags.
10032         (create_name_tags): New function.
10033         (compute_flow_sensitive_aliasing): Call it.
10034         (setup_pointers_and_addressables): Mark type tags for renaming
10035         here instead of ...
10036         (create_memory_tag): ... here.
10037         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
10038         (dump_points_to_info_for): Declare extern.
10039         (debug_points_to_info_for): New function.
10040
10041 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
10042
10043         * config/arc/arc.md: Switch to DFA-based scheduler description.
10044         * config/arc/arc.c: Switch to DFA-based scheduler description.
10045
10046 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
10047
10048         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
10049         pointer.
10050
10051 2004-07-09  Richard Henderson  <rth@redhat.com>
10052
10053         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
10054         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10055         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
10056         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
10057
10058         * config/v850/v850-protos.h (v850_va_arg): Remove.
10059         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10060         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
10061         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
10062         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
10063         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
10064
10065 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
10066
10067         PR target/12133
10068         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
10069         and DImode to use +/-4k offset.
10070
10071 2004-07-09  Richard Henderson  <rth@redhat.com>
10072
10073         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
10074         Remove.
10075         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10076         (xstormy16_gimplify_va_arg_expr): Rewrite from
10077         xstormy16_expand_builtin_va_arg.
10078         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
10079
10080         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
10081         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
10082
10083         * config/sh/sh-protos.h (sh_va_arg): Remove.
10084         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10085         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
10086         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
10087
10088         * config/pa/pa-protos.h (hppa_va_arg): Remove.
10089         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10090         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
10091         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
10092
10093         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
10094         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10095         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
10096         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
10097
10098 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
10099
10100         * config/sparc/sparc.md (return): Rewrite length formula.
10101         * config/sparc/sparc.c (output_return): Pass 1 as 5th
10102         argument to final_scan_insn when in a delay slot.
10103         (output_sibcall): Likewise.
10104
10105 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
10106
10107         * arm.c (arm_cpp_interwork): New variable.
10108         (arm_override_options): Set it if TARGET_INTERWORK was on the command
10109         line.
10110         * arm.h (arm_cpp_interwork): Declare it.
10111         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
10112         __THUMB_INTERWORK__ in the preprocessor.
10113
10114 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
10115
10116         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
10117
10118 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
10119
10120         PR target/16416
10121         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
10122         Override default settings to account for -m32 and -m64.
10123
10124 2004-07-08  Randolph Chung  <tausq@debian.org>
10125
10126         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
10127
10128 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
10129
10130         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
10131         before comparing it as such.
10132
10133 2004-07-08  Richard Henderson  <rth@redhat.com>
10134
10135         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
10136         temporary.  Use bit arithmetic to align.
10137
10138 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
10139
10140         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
10141         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
10142         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
10143         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
10144         add_labels_and_missing_jumps, find_jump_block,
10145         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
10146         Likewise.
10147         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
10148         link_btr_uses, move_btr_def): Likewise.
10149         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
10150         expand_builtin_expect_jump): Likewise.
10151         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
10152         * calls.c (expand_call, emit_library_call_value_1): Likewise.
10153         * cfganal.c (forwarder_block_p): Likewise.
10154         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
10155         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
10156         find_bb_boundaries): Likewise.
10157         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10158         merge_blocks_move_predecessor_nojumps,
10159         merge_blocks_move_successor_nojumps, insns_match_p,
10160         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
10161         try_optimize_cfg): Likewise.
10162         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
10163         * cfglayout.c (skip_insns_after_block, label_for_bb,
10164         record_effective_endpoints, insn_locators_initialize,
10165         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
10166         * cfgmainloop.c (create_loop_notes): Likewise.
10167         * cfgrtl.c (delete_insn, delete_insn_chain,
10168         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
10169         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
10170         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
10171         redirect_branch_edge, force_nonfallthru_and_redirect,
10172         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
10173         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
10174         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
10175         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
10176         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
10177         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
10178         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
10179         * combine.c (combine_instructions, can_combine_p, try_combine,
10180         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
10181         distribute_notes, distribute_links, insn_cuid): Likewise.
10182         * cse.c (fold_rtx, cse_insn, cse_around_loop,
10183         invalidate_skipped_block, cse_set_around_loop,
10184         cse_end_of_basic_block, cse_main, cse_basic_block,
10185         cse_condition_code_reg): Likewise.
10186         * cselib.c (cselib_process_insn): Likewise.
10187         * ddg.c (create_ddg): Likewise.
10188         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
10189         Likewise.
10190         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
10191         gen_label_die, dwarf2out_var_location): Likewise.
10192         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
10193         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
10194         last_call_insn, active_insn_p, next_label, prev_label,
10195         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
10196         add_insn_before, remove_insn, add_function_usage_to,
10197         reorder_insns, find_line_note, remove_unnecessary_notes,
10198         emit_insn_after_1, classify_insn): Likewise.
10199         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
10200         connect_post_landing_pads, sjlj_mark_call_sites,
10201         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
10202         can_throw_internal, can_throw_external, set_nothrow_function_flags,
10203         convert_to_eh_region_ranges): Likewise.
10204         * explow.c (optimize_save_area_alloca): Likewise.
10205         * expr.c (expand_expr_real): Likewise.
10206         * final.c (insn_current_reference_address, compute_alignments,
10207         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
10208         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
10209         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
10210         propagate_block_delete_insn, propagate_one_insn,
10211         init_propagate_block_info, propagate_block, libcall_dead_p,
10212         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
10213         Likewise.
10214         * function.c (instantiate_virtual_regs, reorder_blocks_1,
10215         expand_function_start, expand_function_end, contains,
10216         thread_prologue_and_epilogue_insns,
10217         reposition_prologue_and_epilogue_notes): Likewise.
10218         * gcse.c (constprop_register, bypass_conditional_jumps,
10219         insert_insn_end_bb, gcse_after_reload): Likewise.
10220         * genemit.c (gen_expand, gen_split): Likewise.
10221         * genpeep.c (gen_peephole, main): Likewise.
10222         * global.c (build_insn_chain): Likewise.
10223         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
10224         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
10225         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
10226         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
10227         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
10228         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
10229         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
10230         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
10231         dead_or_predicable): Likewise.
10232         * integrate.c (try_constants): Likewise.
10233         * jump.c (rebuild_jump_labels, cleanup_barriers,
10234         purge_line_number_notes, init_label_info, mark_all_labels,
10235         squeeze_notes, get_label_before, get_label_after,
10236         reversed_comparison_code_parts, simplejump_p, pc_set,
10237         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
10238         delete_barrier, delete_prior_computation, delete_computation,
10239         delete_related_insns, delete_for_peephole, redirect_jump):
10240         Likewise.
10241         * lcm.c (optimize_mode_switching): Likewise.
10242         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
10243         Likewise.
10244         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
10245         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
10246         * loop-iv.c (simplify_using_assignment): Likewise.
10247         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
10248         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
10249         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
10250         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
10251         check_insn_for_givs, check_final_value, update_giv_derive,
10252         basic_induction_var, product_cheap_p, check_dbra_loop,
10253         loop_insn_first_p, last_use_this_basic_block,
10254         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
10255         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
10256         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
10257         sms_schedule_by_order): Likewise.
10258         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
10259         * postreload.c (reload_cse_simplify_operands, reload_combine,
10260         reload_cse_move2add): Likewise.
10261         * predict.c (can_predict_insn_p, estimate_probability,
10262         expected_value_to_br_prob, process_note_predictions): Likewise.
10263         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
10264         * profile.c (branch_prob): Likewise.
10265         * ra-build.c (live_out_1, livethrough_conflicts_bb,
10266         detect_webs_set_in_cond_jump): Likewise.
10267         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
10268         ra_print_rtl_with_bb): Likewise.
10269         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
10270         * recog.c (next_insn_tests_no_inequality, find_single_use,
10271         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
10272         * reg-stack.c (next_flags_user, record_label_references,
10273         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
10274         compensate_edge, convert_regs_1): Likewise.
10275         * regclass.c (scan_one_insn): Likewise.
10276         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
10277         regmove_optimize, fixup_match_1, single_set_for_csa,
10278         combine_stack_adjustments_for_block): Likewise.
10279         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
10280         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
10281         find_equiv_reg): Likewise.
10282         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
10283         reload_as_needed, emit_input_reload_insns, do_output_reload,
10284         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
10285         Likewise.
10286         * reorg.c (find_end_label, emit_delay_sequence,
10287         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
10288         get_jump_flags, rare_destination, mostly_true_jump,
10289         try_merge_delay_insns, redundant_insn, own_thread_p,
10290         fill_simple_delay_slots, fill_slots_from_thread,
10291         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
10292         dbr_schedule): Likewise.
10293         * resource.c (find_basic_block, next_insn_no_annul,
10294         find_dead_or_set_registers, mark_target_live_regs): Likewise.
10295         * rtl.h (RTX_PREV): Likewise.
10296         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
10297         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
10298         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
10299         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
10300         tablejump_p, computed_jump_p, insns_safe_to_move_p,
10301         find_first_parameter_load, can_hoist_insn_p): Likewise.
10302         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
10303         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
10304         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
10305         schedule_ebbs): Likewise.
10306         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
10307         is_conditionally_protected, can_schedule_ready_p,
10308         add_branch_dependences, debug_dependencies): Likewise.
10309         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
10310         Likewise.
10311         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
10312         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
10313         set_dominates_use, ujump_to_loop_cont): Likewise.
10314         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
10315         * varasm.c (output_constant_pool_1): Likewise.
10316
10317 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10318
10319         * tree-scalar-evolution.c: New file.
10320         * tree-scalar-evolution.h: New file.
10321         * tree-ssa-loop-niter.c: New file.
10322         * Makefile.in (SCEV_H): New.
10323         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
10324         * cfgloop.h (struct loop): Add bounds field.
10325         * tree-flow.h (struct tree_niter_desc): New type.
10326         (number_of_iterations_cond, number_of_iterations_exit,
10327         loop_niter_by_eval, find_loop_niter_by_eval,
10328         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
10329         free_numbers_of_iterations_estimates): Declare.
10330         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
10331         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
10332         * doc/invoke.texi (max-iterations-to-track): Document.
10333
10334 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
10335
10336         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
10337         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
10338         (MODE_AFTER): Add cast appropriately.
10339         * config/sh/sh.md (movdi splitter): Likewise.
10340         (casesi_worker_2): Add const qualifier appropriately.
10341         (eh_return): Remove unused variable.
10342         (insv): Initialize v;
10343
10344 2004-07-08  Richard Henderson  <rth@redhat.com>
10345
10346         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
10347         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10348         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
10349         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
10350         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
10351
10352         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
10353         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10354         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
10355         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
10356
10357         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
10358         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10359         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
10360         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
10361
10362         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
10363         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10364         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
10365         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
10366
10367         * config/i860/i860-protos.h (i860_va_arg): Remove.
10368         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10369         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
10370         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
10371
10372 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
10373
10374         * system.h: Prototype getpagesize if missing.
10375         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
10376         * configure: Regenerate.
10377         * config.in: Regenerate.
10378
10379 2004-07-08  Richard Henderson  <rth@redhat.com>
10380
10381         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
10382         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10383         (fr30_gimplify_va_arg_expr): New.
10384         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
10385         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
10386
10387 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
10388
10389         PR target/16414
10390         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
10391         of asm_noperands result.
10392
10393 2004-07-08  Richard Henderson  <rth@redhat.com>
10394
10395         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
10396         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10397         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
10398         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
10399
10400 2004-07-08  Richard Henderson  <rth@redhat.com>
10401
10402         * builtins.c (ind_gimplify_va_arg_expr): New.
10403         * tree.h (ind_gimplify_va_arg_expr): Declare.
10404         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
10405
10406 2004-07-08  Jan Beulich  <jbeulich@novell.com>
10407
10408         * expmed.c (extract_bit_field): Correct condition to use vec_extract
10409         patterns also on vector elements other than the first one.
10410         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
10411         break statements.
10412
10413 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
10414
10415         * config/rs6000/darwin-ldouble.c: Correct reference
10416         to the Linnainmaa paper.
10417
10418 2004-07-08  Richard Henderson  <rth@redhat.com>
10419
10420         * config/arc/arc-protos.h (arc_va_arg): Remove.
10421         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10422         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
10423         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
10424
10425         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
10426         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
10427         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
10428         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
10429
10430 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10431
10432         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
10433
10434 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10435
10436         * c-decl.c (static_ctors, static_dtors): Make static.
10437         (pop_file_scope): Call c_common_write_pch and
10438         cgraph_finalize_compilation_unit here.
10439         (build_cdtor): Moved here from c-objc-common.c; simplify.
10440         (c_write_global_declarations_1): Clarify comment.
10441         (c_write_global_declarations): Close the external scope before
10442         doing anything else.  Call build_cdtor, cgraph_optimize, and
10443         mudflap_finish_file here.
10444         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
10445         Clarify comment.
10446         * c-objc-common.c: No need to include cgraph.h.
10447         (build_cdtor): Moved to c-decl.c.
10448         (c_objc_common_finish_file): Delete.
10449         * c-tree.h: Update to match.
10450         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
10451         (generate_static_references): Set TREE_USED before calling finish_decl.
10452         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
10453         on the static_instances_decl.
10454
10455 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
10456
10457         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
10458         decls when there is only one input translation unit.
10459         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
10460         change of 2004-07-05; do not treat declarations with
10461         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
10462         * opts.c (cur_in_fname): Delete.
10463         * opts.h: Likewise.
10464         * tree.c: Revert changes of 2004-07-05; no special treatment
10465         for TRANSLATION_UNIT_DECLs.
10466         * Makefile.in (tree.o): Update dependencies.
10467
10468 2004-07-08  Roger Sayle  <roger@eyesopen.com>
10469
10470         * builtins.c (fold_builtin_strcpy): Merge functionality from
10471         simplify_builtin_strcpy.  Add additional len argument.  No longer
10472         static.  Remove function prototype.
10473         (fold_builtin_strncpy): Likewise integrate functionality from
10474         simplify_builtin_strncpy.  Add additional slen argument.  No
10475         longer static.  Remove function prototype.
10476         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
10477         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
10478         types of "ignore" and "unlocked" parameters to bool.
10479         (fold_builtin_1):  Add additional ignore argument.  Call renamed
10480         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
10481         builtins.  Update arguments to fold_builtin_strncpy and
10482         fold_builtin_strcpy.  Add function prototype.
10483         (fold_builtin): Add additional Boolean ignore argument to pass
10484         to fold_builtin_1.
10485         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
10486         and fold_builtin_strncpy instead of simplify_builtin_fputs,
10487         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
10488
10489         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
10490         simplify_builtin_strncpy): Delete function prototypes.
10491         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
10492         fold_builtin_strncpy): Add function prototypes here.
10493         (fold_builtin): Update function prototype with new "bool ignore".
10494
10495         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
10496         (ccp_fold_builtin):  Update call to fold_builtin.  Call
10497         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
10498         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
10499         simplify_builtin_strncpy respectively.
10500         * fold-const.c (fold): Update call to fold_builtin.
10501
10502 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10503
10504         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
10505         to strcpy.
10506
10507         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
10508         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
10509         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
10510         * calls.c: Remove ifdefs of macros above.
10511         * functions.c: Likewise.
10512         * expr.c: Likewise.
10513
10514 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10515
10516         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
10517         (arch attribute): Delete.
10518         (current_function_calls_alloca attribute): Rename into calls_alloca.
10519         (calls_eh_return): New attribute.
10520         (leaf_function): Likewise.
10521         (length attribute): Fix formula for sibcalls.
10522         (return insn): Correctly compute the 'length' attribute.
10523         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
10524
10525 2004-07-08  Richard Henderson  <rth@redhat.com>
10526
10527         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
10528         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
10529         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
10530         * tree-eh.c (lower_eh_constructs_1): Likewise.
10531         * tree-sra.c (sra_walk_modify_expr): Likewise.
10532         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
10533         (eliminate_unnecessary_stmts): Likewise.
10534         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10535         * tree-tailcall.c (optimize_tail_call): Likewise.
10536         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
10537
10538 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10539             Jakub Jelinek  <jakub@redhat.com>
10540
10541         * config/i386/i386.c (override_options): Enable
10542         SSE prefetches with -mtune, as long as we are
10543         compiling for i686 or higher.  All i686 processors
10544         accept SSE prefetches as NOPS, some i586's don't.
10545
10546 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10547
10548         PR target/10567
10549         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
10550
10551 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10552
10553         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
10554         the handling of clobbering ASM_EXPRs.
10555
10556 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10557
10558         PR target/16430
10559         * config/sparc/sparc.c (function_value): In 64-bit mode,
10560         return the aggregates larger than 16 bytes like unions.
10561
10562 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10563
10564         PR target/16199
10565         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
10566         'temp' is zero, generate new pseudos as needed and emit the
10567         sequence of insns in single-assignment form.  Resync comments
10568         with code.
10569         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
10570         function before reload.
10571
10572 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
10573
10574         * vec.c (vec_assert_fail): Remove duplicate 'function'.
10575
10576         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
10577
10578         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
10579         Allocation is signed.
10580         (VEC_reserve): Return flag, allocation is signed.
10581
10582 2004-07-08  Richard Henderson  <rth@redhat.com>
10583
10584         * tree-ssa-ccp.c (fold_stmt): Get type directly from
10585         OBJ_TYPE_REF_OBJECT.
10586
10587 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
10588             Neil Booth  <neil@daikokuya.co.uk>
10589
10590         PR c/2511
10591         PR c/3325
10592         * c-decl.c (finish_struct): Ensure bit-fields are given the
10593         correct type.
10594         * c-common.c (c_common_signed_or_unsigned_type): For C, require
10595         the precision to match as well as the mode.
10596         * expr.c (reduce_to_bit_field_precision): New function.
10597         (expand_expr_real_1): Reduce expressions of bit-field type to
10598         proper precision.
10599         * langhooks.h (reduce_bit_field_operations): New hook.
10600         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
10601         Define.
10602         * c-lang.c, objc/objc-lang.c
10603         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
10604         * objc/objc-act.c (check_ivars): Convert types to bit-field types
10605         before checking.
10606         * tree.c (build_nonstandard_integer_type): New function.
10607         * tree.h (build_nonstandard_integer_type): New prototype.
10608         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
10609         conversions between integer and boolean types as useless.
10610
10611 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10612
10613         * c-common.c (c_common_nodes_and_builtins): Do not
10614         create __builtin_ptrdiff_t and __builtin_size_t.
10615
10616 2004-07-08  Andrew Pinski  <apinski@apple.com>
10617
10618         * Makefile.in (libbackend.o): Add -combine to the gcc
10619         command line.
10620
10621 2004-07-08  Nick Clifton  <nickc@redhat.com>
10622
10623         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
10624         Set to -Os.
10625
10626 2004-07-08  Richard Henderson  <rth@redhat.com>
10627
10628         * except.c (expand_eh_region_start, expand_eh_region_end,
10629         expand_eh_handler, expand_eh_region_end_cleanup,
10630         expand_start_all_catch, expand_start_catch, expand_end_catch,
10631         expand_end_all_catch, expand_eh_region_end_allowed,
10632         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
10633         expand_eh_region_end_fixup): Remove.
10634         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
10635         cleanups, outer_cleanups, label_chain, exception_region.
10636         (struct goto_fixup): Remove stack_level, cleanup_list_list.
10637         (struct label_chain): Remove.
10638         (struct stmt_status): Remove x_stack_block_stack.
10639         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
10640         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
10641         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
10642         end_cleanup_deferral, last_cleanup_this_contour,
10643         containing_blocks_have_cleanups_or_stack_level,
10644         any_pending_cleanups): Remove.
10645         (expand_null_return_1): Take no arguments.
10646         (expand_label, expand_naked_return, expand_return,
10647         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
10648         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
10649         expand_end_case_type): Don't use any of them.
10650         * calls.c (expand_call): Likewise.
10651         * dojump.c (do_jump): Likewise.
10652         * function.c (expand_function_end): Likewise.
10653         * expr.c (store_expr, expand_expr_real_1): Likewise.
10654         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
10655         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
10656         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
10657         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
10658         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
10659         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
10660         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
10661         for WITH_CLEANUP_EXPR.
10662         (gimple_push_cleanup): Likewise.
10663         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
10664         * print-tree.c (print_node): Likewise.
10665         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
10666         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
10667         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
10668         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
10669         (GOTO_SUBROUTINE_EXPR): Remove.
10670         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
10671         (DECL_TOO_LATE): Remove.
10672         * except.h, tree.h: Update decls.
10673
10674 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
10675
10676         * explow.c (optimize_save_area_alloca): Do not accept parameters.
10677         * passes.c (rest_of_handle_final): Handle symout.
10678         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
10679         Push timevar here.
10680         (rest_of_handle_sched): Break out SMS.  Remove ifs for
10681         flag_schedule_insns and flag_modulo_sched.
10682         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
10683         collect at the end.
10684         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
10685         (rest_of_handle_partition_blocks, rest_of_handle_sms,
10686         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
10687         rest_of_handle_mode_switching, rest_of_handle_jump,
10688         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
10689         rest_of_handle_jump2, rest_of_handle_postreload,
10690         rest_of_handle_flow2, rest_of_clean_state,
10691         rest_of_handle_shorten_branches,
10692         rest_of_handle_prologue_epilogue,
10693         rest_of_handle_branch_target_load_optimize): New.
10694         (rest_of_compilation): Call the above.  Remove ggc_collect
10695         calls moved to rest_of_handle_*.
10696         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
10697
10698         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
10699         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
10700         * except.h (set_nothrow_function_flags): Update comment.
10701         * function.c (current_function_nothrow): Remove.
10702         * output.h (current_function_nothrow): Remove.
10703         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
10704         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
10705
10706 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
10707
10708         PR bootstrap/16326
10709         * reorg.c: Revert 2004-06-30 change.
10710         (find_end_label): If HAVE_epilogue and !HAVE_return,
10711         return 0 instead of creating a label at the end of the insn chain.
10712         (optimize_skip): Account for the failure mode of find_end_label.
10713         (fill_simple_delay_slots): Likewise.
10714         (fill_slots_from_thread): Likewise.
10715         (relax_delay_slots): Likewise.
10716
10717 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
10718
10719         * tree-flow.h (addressable_vars): Declare.
10720         * tree-ssa-alias.c (addressable_vars): Define.
10721         (setup_pointers_and_addressables): Add addressable variables
10722         to addressable_vars.
10723         * tree-ssa-operands.c (get_stmt_operands): Move
10724         handling of ASM_EXPRs ...
10725         (get_asm_expr_operands): ... here.
10726         When the ASM_EXPR clobbers memory, also clobber addressable
10727         variables.
10728         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
10729         (delete_tree_ssa): Reset addressable_vars.
10730
10731 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10732             Richard Henderson  <rth@redhat.com>
10733
10734         * varasm.c (assemble_variable): Use assemble_zeros for
10735         zero-initialized variables.
10736         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
10737         for SECCAT_BSS and SECCAT_TBSS.
10738
10739 2004-07-07  Jan Beulich  <jbeulich@novell.com>
10740
10741         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
10742
10743         * expmed.c (emit_store_flag): Also special-case double-word
10744         (in-)equality comparison against -1.
10745
10746         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
10747         passing arguments the containers for which are registers.
10748
10749         * calls.c (emit_library_call_value_1): Use mode of function parameter
10750         rather than that of argument since constants have none.
10751
10752 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
10753
10754         Introduce H8SX support.
10755         * expr.c (expand_strcpy): Renamed and moved to...
10756         * builtins.c (expand_movstr): ... here.  Tweak.
10757         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
10758         computed or has side effects.
10759         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
10760         unused, or if mempcpy fails.  Adjust the return value in the
10761         latter case.  Use movstr if everything else fails.
10762         * doc/md.texi (movstr): Document.
10763         (movmemM, clrmemM): Fix explanation of memory block operands.
10764         * config/h8300/h8300.md (stpcpy): Renamed to...
10765         (movstr): ... this.  Adjust.
10766         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
10767         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
10768         movmem* and clrstr* to clrmem*.
10769         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
10770         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
10771         GENERAL_REGS, always.
10772         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
10773         getting the stack pointer as addr.
10774         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
10775         from general_operand_dst.
10776         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
10777         variant of...
10778         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
10779         instead of requiring it to match only before reload.
10780         (stpcpy_internal_normal): New, normal-mode variant of...
10781         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
10782         `D' instead of requiring it to match only before reload.
10783         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
10784         mode argument.
10785         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
10786         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
10787         h8300_get_index.
10788         * config/h8300/h8300.md (attr type): Add call.
10789         (attr can_delay): If type is call, set it no.
10790         (call, call_value): Set type to call.
10791         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
10792         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
10793         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
10794         * tree.c (get_narrower): Don't narrow integral types into
10795         non-integral types.
10796         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
10797         frame_size *before* the first use.
10798         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
10799         on input.
10800         (peephole2): Don't widen instructions that push SP.  Move
10801         decrement of SP to the end of all stm-generating peepholes.
10802         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10803         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
10804         and OR to set it to all ones.
10805         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
10806         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
10807         (call, call_value): Set can_delay to "no".
10808         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
10809         * config/h8300/h8300.md (extzv): Make subreg check more robust.
10810         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10811         * config/h8300/h8300.md (*brabit): Remove.
10812         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
10813         zero_extract.  Use bit_memory_operand as the predicate for
10814         operand 1 and 'WU' as the constraint.  Check the difference
10815         between the base length and the final one when deciding which
10816         type of branch to use.
10817         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10818         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
10819         Use convert_move to extend the result for TARGET_H8300SX.  Check
10820         for QImode memory references.  Optimize the case where the
10821         destination is a paradoxical subreg.
10822         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10823         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
10824         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
10825         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
10826         * config/h8300/h8300.md: Include mova.md
10827         (length_table): Add mova and mova_zero.
10828         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
10829         after all constant addresses for '%R', '%X', '%T' and '%S'.
10830         (h8300_mova_length): New function.
10831         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
10832         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
10833         dependencies for s-config, etc.
10834         * config/h8300/gemova.sh: New file.
10835         * config/h8300/mova.md: Generated.
10836         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
10837         * config/h8300/h8300.c (h8300_bitfield_length): New.
10838         (nibble_operand): Adjust.
10839         (h8300_binary_length): Handle conditional binary op.
10840         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
10841         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
10842         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
10843         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
10844         constraints.  WU is introduced as a variant of U that requires a
10845         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
10846         * config/h8300/h8300.md (attr type): Added bitbranch.
10847         (attr length_table): Added bitfield and bitbranch.
10848         (attr length): Compute bitbranch length.
10849         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
10850         least-significant bit of a byte.
10851         (brabit, brabc, brabs): New.
10852         (insv, extzv): Emit bfst and bfld on H8300SX.
10853         (bfld, bfst, seq, sne): New.
10854         (bstzhireg, cmpstz, bstz, bistz): New.
10855         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
10856         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
10857         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
10858         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
10859         (h8sx_unary_memory_operator): New function.
10860         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
10861         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
10862         * config/h8300/h8300.md: Add peepholes to combine reloads and
10863         arithmetic insns.
10864         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10865         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
10866         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
10867         (and?i, ior?i, xor?i): Likewise.
10868         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
10869         * config/h8300/h8300.c: Move enums and prototypes to head of file.
10870         Various whitespace fixes.
10871         (h8300_constant_length): New function, split out from...
10872         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
10873         (h8300_classify_operand): Use IN_RANGE.
10874         (h8300_classify_operand): Use h8300_constant_length.
10875         (h8300_short_move_mem_p): Tighten size check.
10876         (h8sx_mergeable_memrefs_p): Tighten equality check.
10877         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
10878         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
10879         for -msx.
10880         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
10881         * config/h8300/crtn.asm: Likewise.
10882         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
10883         if __H8300SX__ is defined.
10884         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
10885         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
10886         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
10887         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
10888         addresses as mode-dependent.
10889         * config/h8300/h8300.c (print_operand_address): Update call to
10890         h8300_get_index.
10891         (h8300_get_index): Take a mode argument.  Rework to fix an
10892         earlier misunderstanding.
10893         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
10894         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
10895         into a register if TARGET_H8300SX.
10896         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
10897         TARGET_H8300SX.  Also disable related define_splits.
10898         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
10899         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
10900         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
10901         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10902         * config/h8300/h8300.h (OK_FOR_Z): New macro.
10903         (EXTRA_CONSTRAINT_STR): Check it.
10904         * config/h8300/h8300.c (h8300_classify_operand): Accept null
10905         class arguments.
10906         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
10907         * config/h8300/h8300.md (length_table): Add mov_imm4.
10908         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
10909         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
10910         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
10911         be a label.
10912         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
10913         * config/h8300/h8300.c (h8300_reorg): New function.
10914         (TARGET_MACHINE_DEPENDENT_REORG): Define.
10915         * config/h8300/h8300.md (length): Subtract the length of the
10916         delay slot from (pc) when checking the range of forward branches.
10917         (delay_slot, can_delay): New attributes.
10918         (define_delay): Add bra/s handling.
10919         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
10920         (jump): Add delayed-branch handling.
10921         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
10922         * expr.c (expand_strcpy): New function.
10923         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
10924         (expand_builtin_stpcpy): Likewise.
10925         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
10926         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
10927         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
10928         handling to improve register allocation for -fno-omit-frame-pointer.
10929         (h8sx_split_movmd): Delete, moving er6 handling into...
10930         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
10931         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
10932         (movmd): Add calls to copy_rtx.
10933         (movmd_internal): In the second alternative, allow the initial and
10934         final destination registers to be different .  Update the splitter
10935         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
10936         instead of h8sx_split_movmd.
10937         (stpcpy, movsd): New expanders.
10938         (movsd_internal): New define_insn.
10939         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
10940         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
10941         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
10942         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
10943         and DESTINATION_REGS.
10944         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
10945         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
10946         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
10947         (h8300_move_ratio): Declare.
10948         (MOVE_RATIO): Use it.
10949         * config/h8300/h8300.c (h8300_move_ratio): New variable.
10950         (h8300_init_once): Initialize it.
10951         (h8300_reg_class_from_letter): New function.
10952         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
10953         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
10954         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
10955         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
10956         (movstrsi, movmd): New expanders.
10957         (movmd_internal): New insn.
10958         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
10959         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
10960         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
10961         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
10962         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
10963         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10964         * config/h8300/h8300.c (nibble_operand): Fix warning.
10965         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
10966         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
10967         (movsf_h8300h): Disable for TARGET_H8300SX.
10968         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10969         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
10970         h8300_stm_parallel and h8300_return_parallel.
10971         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
10972         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
10973         h8300_stm_parallel, h8300_return_parallel): New functions.
10974         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
10975         if TARGET_H8300SX.  Use h8300_push_pop.
10976         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
10977         and final pop when generating h8sx code.  Always emit some form
10978         of return insn.
10979         * config/h8300/h8300.md: Don't enforce register alignment in
10980         stm peepholes if TARGET_H8300SX.
10981         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
10982         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
10983         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
10984         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
10985         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
10986         (MULTILIB_DIRNAMES): Add a directory for it.
10987         (MULTILIB_MATCHES): Delete.
10988         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
10989         * final.c (walk_alter_subreg): Handle addresses with subregs
10990         inside a ZERO_EXTEND or AND.
10991         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
10992         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
10993         if TARGET_H8300SX.
10994         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
10995         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
10996         @(dd,Rn.w) and @(dd,ERn.L).
10997         (h8300_displacement_size): Take the whole address as argument.
10998         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
10999         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
11000         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
11001         (h8sx_mergeable_memrefs_p): Declare.
11002         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
11003         (HAVE_PRE_INCREMENT): Likewise.
11004         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
11005         addresses for TARGET_H8300SX,
11006         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
11007         and POST_DEC.
11008         (movb_length_table, movl_length_table): New tables.
11009         (movw_length_table): Define to movb_length_table.
11010         (h8300_displacement_size): New, split out from...
11011         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
11012         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
11013         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
11014         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
11015         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
11016         (compute_plussi_length, compute_plussi_cc): Update accordingly.
11017         (h8sx_unary_shift_operator): Get the mode from the operator.
11018         (binary_shift_operator): Likewise.
11019         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
11020         a memory reference, check whether the reference is offsettable.
11021         (length_table): Add movb, movw and movl.
11022         (movqi): Add new h8sx pattern.  Don't force one operand to be a
11023         register when generating h8sx code.
11024         (movhi, movsi, movsf): Likewise.
11025         (movstrictqi): Use the length_table attribute.
11026         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
11027         (addqi3): Split into a define_expand and define_insn.  Don't accept
11028         memory operands in the expander.  Use h8300_operands_match_p to
11029         check for matching operands in the define_insn.
11030         (subqi3, negqi2, one_cmplqi2): Likewise.
11031         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
11032         in any patterns that are unused in h8sx code.  In the h8sx patterns,
11033         use h8300_operands_match_p to check whether operands match.
11034         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
11035         one_cmpl[hs]i3): Likewise.
11036         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
11037         in the expander.
11038         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
11039         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
11040         (h8300_insn_length_from_table): Add a second parameter.
11041         (output_h8sx_shift): Declare.
11042         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
11043         (EXTRA_CONSTRAINT): Replace with...
11044         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
11045         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
11046         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
11047         and h8sx_binary_shift_operator.
11048         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
11049         for TARGET_H8300SX.
11050         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
11051         (bit_memory_operand, fix_bit_operand): Likewise.
11052         (h8300_length_table_for_insn): Remove.
11053         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
11054         instructions.
11055         (h8300_short_immediate_length, h8300_binary_length): New functions.
11056         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
11057         (output_plussi): Use sub to add negative constants.
11058         (compute_plussi_length): Adjust accordingly.
11059         (h8sx_single_shift_type): New enum.
11060         (h8sx_single_shift, h8sx_unary_shift_operator,
11061         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
11062         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
11063         single h8sx instruction.  Return false in this case.
11064         * config/h8300/h8300.md (length_table): Add short_immediate.
11065         (length): Pass the operand array to h8300_insn_length_from_table.
11066         (adjust_length): Assume "no" for insns with a length_table attribute.
11067         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
11068         (*addhi3_h8300hs): Don't use for h8sx.
11069         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
11070         and sub.w #xx:3.
11071         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
11072         1's predicate to nonimmediate_operand.  Only skip default expansion
11073         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
11074         for single h8sx shift instructions.
11075         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
11076         * config/h8300/h8300.c (nibble_operand): Split out of...
11077         (reg_or_nibble_operand): ... this.
11078         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
11079         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
11080         umulhisi3): Introduce expand, and introduce separate insns for
11081         sign- or zero-extended REG and already-extended CONST_INT.
11082         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
11083         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
11084         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
11085         (subhi3): Likewise.  Don't accept immediates for operand 1.
11086         Remove the early clobber from second alternative of the h8300s pattern.
11087         (subsi3): Generalize for h8sx.  Force operand 2 into a register
11088         on plain h8300 targets.
11089         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
11090         (subsi3_h8300h): Generalize for h8sx.
11091         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
11092         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
11093         * config/h8300/h8300.c (reg_or_nibble_operand): New.
11094         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
11095         (TARGET_H8300SXMUL): New.
11096         (CONST_OK_FOR_P): New.
11097         (CONST_OK_FOR_LETTER_P): Adjust.
11098         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
11099         umulhisi3): Accept 4-bit immediate on H8SX.
11100         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
11101         (udivsi3, divhi3, udivsi3, divsi3): New.
11102         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
11103         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
11104         * config/h8300/h8300.h (OK_FOR_Q): New macro.
11105         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
11106         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
11107         Add ADDRESSOF to the bit_operand entry.
11108         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
11109         (h8300_src_operand): Likewise.
11110         (bit_operand): Check nonimmediate_operand rather than general_operand.
11111         Accept any nonimmediate_operand in h8sx code.
11112         (h8300_and_costs): Initialize operands[1].
11113         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
11114         (h8300_operand_class): New enum.
11115         (h8300_length_table): New typedef.
11116         (addb_length_table, addw_length_table, addl_length_table,
11117         logicl_length_table): New tables.
11118         (logicb_length_table, logicw_length_table): New macros.
11119         (h8300_classify_operand, h8300_length_from_table,
11120         h8300_length_table_for_insn, h8300_unary_length,
11121         h8300_insn_length_from_table): New functions.
11122         (output_plussi): Only use adds and subs for register destinations.
11123         Disable redundant clause.
11124         (compute_plussi_cc): Likewise.
11125         (compute_plussi_length): Likewise.  Use h8300_length_from_table
11126         to work out the length of an insn.
11127         (output_logical_op): Only use narrower immediate instructions
11128         if the destination is a register.
11129         (compute_logical_op_cc): Likewise.
11130         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
11131         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
11132         * config/h8300/h8300.md (length_table): New attribute.
11133         (length): When an instruction has a length_table attribute, use
11134         h8300_insn_length_from_table to calculate its default length.
11135         (cmpqi): Use h8300_dst_operand for the first operand and
11136         h8300_src_operand for the second.
11137         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
11138         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
11139         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
11140         iorsi3, xorhi3, xorsi3): Likewise.
11141         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
11142         so that it allows any combination of operands for TARGET_H8300SX.
11143         (iorqi3, xorqi3): Likewise.
11144         (cmpqi): Use the length_table attribute.
11145         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
11146         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
11147         (cmpqi): Add 'Q' constraint.
11148         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
11149         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
11150         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
11151         * config/h8300/h8300.h (MASK_H8300SX): New macro.
11152         (TARGET_H8300S): True for both -ms and -msx.
11153         (TARGET_H8300SX): New macro.
11154         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
11155         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
11156         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
11157         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
11158         [Temporary change.]
11159         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
11160         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
11161         16-bit pointers and 32-bit ints.
11162         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
11163         CONST_DOUBLE with mode no wider than SImode.
11164         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
11165         output operand.
11166         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
11167         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
11168         or SUBREG thereof.
11169         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
11170         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
11171         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
11172
11173 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
11174
11175         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
11176
11177 2004-07-07  Per Bothner  <per@bothner.com>
11178
11179         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
11180
11181 2004-07-07  Mike Stump  <mrs@apple.com>
11182
11183         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
11184         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
11185         (machopic_finish): Likewise.
11186
11187 2004-07-07  Richard Henderson  <rth@redhat.com>
11188
11189         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
11190         through any value-preserving cast.
11191
11192 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
11193
11194         * function.c (assign_parm_find_data_types): Call
11195         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
11196
11197 2004-07-07  Steven Bosscher  <stevenb@suse.de>
11198
11199         * tree-cfg.c (group_case_labels): Remove case labels that have
11200         the same target as the default case.
11201
11202 2004-07-07  Steven Bosscher  <stevenb@suse.de>
11203
11204         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
11205         regardless of DECL_LANG_SPECIFIC being present or not.
11206         * tree.h (DECL_NUM_STMTS): Purge.
11207
11208 2004-07-07  Andrew Pinski  <apinski@apple.com>
11209
11210         * configure: Regenerate with the right autoconf.
11211
11212 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
11213
11214         * ifcvt.c (total_bb_rtx_cost): New function.
11215         (find_if_case_1): Compare rtx_cost of basic block to cost of
11216         BRANCH_COST insns.
11217         (find_if_case_2): Same.
11218
11219 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11220
11221         PR target/10567
11222         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
11223         (output_return): Likewise.
11224         (output_sibcall): Abort if !flag_delayed_branch.
11225         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
11226         (emit_and_preserve): New function.
11227         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
11228         indirect jump to the thunked-to function if !flag_delayed_branch.
11229         * config/sparc/sparc.md (delayed_branch): New attribute.
11230         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
11231         attribute to compute the length of the insn.
11232         (goto_handler_and_restore): Likewise.
11233
11234 2004-07-07  Andrew Pinski  <apinski@apple.com>
11235
11236         PR tree-optimization/15777
11237         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
11238
11239         * expr.c (expand_expr_real_1): Fix formating.
11240         BUFFER_REF and IN_EXPR are dead.
11241         * fold-const.c (non_lvalue): BUFFER_REF is dead.
11242         * tree-inline.c (estimate_num_insns_1): Likewise.
11243         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
11244         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
11245         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
11246
11247 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
11248
11249         * collect2.c (dump_file): Don't call cplus_demangle if
11250         HAVE_LD_DEMANGLE is defined.
11251         (main): Pass "--demangle" to ld if no_demangle is not 0 and
11252         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
11253         if HAVE_LD_DEMANGLE is defined.
11254
11255         * configure.ac (--with-demangler-in-ld): Added
11256         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
11257         --with-demangler-in-ld is used.
11258         * config.in: Regenerated.
11259         * configure: Likewise.
11260
11261 2004-07-07  Roger Sayle  <roger@eyesopen.com>
11262
11263         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
11264         for simple floating point operations "fp", double precision
11265         multiplication "dmul", and single and double precision division
11266         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
11267         (ppc630_cost): New table split from ppc620_cost, to distinguish
11268         differences in floating point latencies.
11269         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
11270         (rs6000_rtx_costs): Add support for single and double precision
11271         floating point addition, subtraction, multiplication, division,
11272         fused-multiply-add, fused-multiply-sub, negation, absolute value
11273         and negative absolute value.  Tweak MEM case to use prefered idiom.
11274
11275 2004-07-07  Richard Henderson  <rth@redhat.com>
11276
11277         * tree-flow-inline.h (may_propagate_copy): Move...
11278         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
11279         attempt to copy between types requiring conversion.
11280         * tree-flow.h (may_propagate_copy): Update decl.
11281         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
11282
11283 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
11284
11285         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
11286         from -mtune= option.
11287
11288 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
11289
11290         * builtins.c: Rename movstr*, except for movstrict*, to
11291         movmem* and clrstr* to clrmem*.
11292         * expr.c: Likewise.
11293         * expr.h: Likewise.
11294         * genopinit.c: Likewise.
11295         * integrate.c: Likewise.
11296         * local-alloc.c: Likewise.
11297         * optabs.c: Likewise.
11298         * optabs.h: Likewise.
11299         * config/alpha/alpha.h: Likewise.
11300         * config/alpha/alpha.md: Likewise.
11301         * config/arm/arm-protos.h: Likewise.
11302         * config/arm/arm.c: Likewise.
11303         * config/arm/arm.md: Likewise.
11304         * config/avr/avr.md: Likewise.
11305         * config/c4x/c4x.c: Likewise.
11306         * config/c4x/c4x.md: Likewise.
11307         * config/frv/frv.md: Likewise.
11308         * config/i386/i386-protos.h: Likewise.
11309         * config/i386/i386.c: Likewise.
11310         * config/i386/i386.h: Likewise.
11311         * config/i386/i386.md: Likewise.
11312         * config/i860/i860.c: Likewise.
11313         * config/i860/i860.md: Likewise.
11314         * config/ip2k/ip2k.md: Likewise.
11315         * config/ip2k/libgcc.S: Likewise.
11316         * config/ip2k/t-ip2k: Likewise.
11317         * config/m32r/m32r.c: Likewise.
11318         * config/m32r/m32r.md: Likewise.
11319         * config/mcore/mcore.md: Likewise.
11320         * config/mips/mips.c: Likewise.
11321         * config/mips/mips.md: Likewise.
11322         * config/ns32k/ns32k.c: Likewise.
11323         * config/ns32k/ns32k.h: Likewise.
11324         * config/ns32k/ns32k.md: Likewise.
11325         * config/pa/pa.c: Likewise.
11326         * config/pa/pa.md: Likewise.
11327         * config/pdp11/pdp11.h: Likewise.
11328         * config/pdp11/pdp11.md: Likewise.
11329         * config/rs6000/rs6000.c: Likewise.
11330         * config/rs6000/rs6000.md: Likewise.
11331         * config/s390/s390-protos.h: Likewise.
11332         * config/s390/s390.c: Likewise.
11333         * config/s390/s390.md: Likewise.
11334         * config/sh/lib1funcs.asm: Likewise.
11335         * config/sh/sh.c: Likewise.
11336         * config/sh/sh.md: Likewise.
11337         * config/sh/t-sh: Likewise.
11338         * config/sparc/sparc.h: Likewise.
11339         * config/vax/vax.md: Likewise.
11340         * config/xtensa/xtensa.c: Likewise.
11341         * config/xtensa/xtensa.md: Likewise.
11342         * doc/invoke.texi: Likewise.
11343         * doc/md.texi: Likewise.
11344         * doc/rtl.texi: Likewise.
11345
11346 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
11347
11348         PR target/16407
11349         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
11350         * config/mips/mips.c (mips_declare_common_object): New function,
11351         mostly split out from...
11352         (mips_output_aligned_decl_common): ...here.
11353         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
11354         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
11355         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
11356         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
11357
11358 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11359
11360         PR c/16392
11361         * function.c (assign_parms): Fix typo from previous change.
11362
11363 2004-07-07  Jason Merrill  <jason@redhat.com>
11364
11365         PR c++/15815
11366         * doc/extend.texi (C++ Interface): Correct information and
11367         discourage use.
11368
11369 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
11370
11371         PR target/16130
11372         PR target/16142
11373         PR target/16143
11374         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
11375         insn.
11376
11377 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11378
11379         PR target/1679.
11380         * config/m32r/m32r.c (m32r_function_symbol): New function:
11381         Generate a symbol name RTX with the correct m32r specific flags
11382         set.
11383         (block_move_call): Use new function to generate correct symbol.
11384         * config/m32r/m32r-protos.h: Add prototype for new funcion.
11385         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
11386         function.
11387
11388 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
11389
11390         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
11391         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
11392         TYPE_BINFO_BASETYPE): Remove.
11393         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
11394         to ...
11395         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
11396         here.
11397         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
11398         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
11399         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
11400         (struct tree_binfo): Rename base_types to base_binfos.
11401         * alias.c (record_component_aliases): Adjust BINFO macros.
11402         * dbxout.c (dbxout_type): Likewise.
11403         * dwarf2out.c (gen_member_die): Likewise.
11404         * sdbout.c (sdbout_one_type): Likewise.
11405         * tree-dump.c (deque_and_dump): Likewise.
11406         * config/i386/i386.c (classify_argument,
11407         contains_128bit_aligned_vector_p): Likewise.
11408
11409 2004-07-07  Nick Clifton  <nickc@redhat.com>
11410
11411         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
11412         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
11413
11414 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
11415
11416         * vec.h: Fix the example use.
11417
11418 2004-07-06  Richard Henderson  <rth@redhat.com>
11419
11420         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
11421         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
11422         * tree-inline.c (copy_body_r, setup_one_parameter,
11423         initialize_inlined_parameters, expand_call_inline,
11424         declare_inline_vars): Don't check it.
11425         (expand_calls_inline): Remove old version, rename new version
11426         from gimple_expand_calls_inline.
11427         * tree-optimize.c (execute_gimple): Remove.
11428         (pass_gimple): Don't run anything.
11429
11430 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11431
11432         * doc/sourcebuild.texi: Use semicolons instead of commas in
11433         section title.
11434
11435 2004-07-06  Richard Henderson  <rth@redhat.com>
11436
11437         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
11438         (sra_walk_modify_expr, scan_init): Likewise.
11439         (generate_element_zero): Check visited before scanning children.
11440         (generate_element_init): Set visited on error.
11441         (scalarize_init): Handle generate_element_init failure similar
11442         to use_block_copy.
11443
11444 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
11445
11446         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
11447         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
11448
11449 2004-07-06  Richard Henderson  <rth@redhat.com>
11450
11451         * config/i386/i386.c (legitimize_pic_address): Make static.
11452         (legitimize_address): Handle CONST with TLS operand.
11453         (ix86_expand_move): Don't call legitimize_pic_address directly.
11454         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
11455
11456 2004-07-06  Roger Sayle  <roger@eyesopen.com>
11457
11458         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
11459         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
11460         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
11461         is currently executed unconditionally, i.e. not in "else_bb".
11462
11463 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11464
11465         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
11466         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11467         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
11468         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11469         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
11470         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11471         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
11472         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11473         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
11474         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11475         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
11476         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11477         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
11478         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11479         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
11480         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
11481
11482 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11483
11484         * dojump.c (do_jump): REFERENCE_EXPR is dead.
11485         * expr.c (expand_expr_real_1): Ditto.
11486         * tree-inline.c (estimate_num_insns_1): Ditto.
11487         * tree-pretty-print.c (dump_generic_node): Ditto.
11488         (op_symbol): Ditto.
11489         * tree.def: Ditto.
11490
11491 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
11492
11493         * tree-ssa-pre.c (reference_node_pool): New pool.
11494         (find_or_generate_expression): Class 'r' is okay too.
11495         (create_value_expr_from): Ditto.
11496         (add_to_sets): LHS should not include vuses.
11497         (eliminate): Ditto.
11498         (compute_avail): Reverse ordering of tests.
11499         Valuize INDIRECT_REF as well.
11500
11501 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
11502
11503         PR rtl-optimization/16380
11504         * loop.c (check_dbra_loop): Sink comparison instructions if they
11505         do something other than set cc0.
11506
11507 2004-07-06  James E Wilson  <wilson@specifixinc.com>
11508
11509         * doc/interface.texi (longjmp and automatic variables): Delete
11510         paragraph recommending taking the address of a variable.
11511
11512 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11513
11514         * vec.h (VEC_embedded_alloc): Remove.
11515         (VEC_embedded_size, VEC_embedded_init): New.
11516         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
11517         MEM_STAT_INFO.
11518         (VEC_truncate): New.
11519         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
11520         (vec_embedded_alloc): Remove.
11521         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
11522         (vec_embedded_alloc): Remove.
11523
11524 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
11525
11526         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
11527         (gt-langhooks.h): Remove.
11528
11529 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
11530
11531         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
11532
11533 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
11534
11535         * config/sparc/sparc.c (get_pc_symbol): Rename into
11536         add_pc_to_pic_symbol.
11537         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
11538         (load_pic_register): Account for previous changes.
11539         Use reg_names.  Don't create the label twice.
11540         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
11541         UNSPEC_LOAD_PCREL_SYM.
11542         (get_pc): Rename into load_pcrel_sym.  Add predicate to
11543         operands.  Remove condition.
11544
11545 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
11546
11547         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
11548         RECORD, UNION & QUAL_UNION is actually a binfo.
11549
11550         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
11551         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
11552         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
11553         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
11554         * dwarf2out.c (add_data_member_location_attribute): Likewise.
11555         (gen_inheritance_die): Likewise.
11556         * tree-dump.c (deque_and_dump): Likewise.
11557         * doc/c-tree.texi (Binfos): Add under reconstruction note.
11558
11559 2004-07-06  Steven Bosscher  <stevenb@suse.de>
11560
11561         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11562         Define.
11563         * config/mcore/mcore.md: Model memory latency with a simple DFA
11564         pipeline description instead of a define_function_unit.
11565
11566 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11567
11568         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
11569         * langhooks.h (var_mod_type_p): Likewise.
11570         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
11571         * expr.c (count_type_elements): Properly handle return from
11572         array_type_nelts and properly test for overflow.
11573         * gimplify.c (gimplify_init_constructor): Properly handle return
11574         from array_type_nelts.
11575         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
11576         * integrate.c (copy_decl_for_inlining): Correct comments.
11577         * tree-inline.c (remap_decl): Update comments, remove dead code,
11578         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
11579         (remap_type): Only remap if variably modified by vars in function
11580         being inlined.
11581         (copy_body_r): Use compatible_type langhooks to see when can fold.
11582         (setup_one_parameter): Don't remap type.
11583         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
11584         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
11585         compute TREE_INVARIANT for decl case.
11586         (find_var_from_fn): New function.
11587         (variably_modified_type_p): Add arg and call new function.
11588         * tree.h (variably_modified_type_p): Add extra arg.
11589
11590 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
11591
11592         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
11593         (goto_handler_and_restore_v9): Delete disabled insn.
11594         (goto_handler_and_restore_v9_sp64): Likewise.
11595
11596 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11597
11598         * calls.c (load_register_parameters): Call expand_shift instead
11599         of expand_binop with ashl_optab (or other shift optab) directly.
11600         * expr.c (emit_group_load, emit_group_store): Likewise.
11601         * function.c (assign_parm_setup_block): Likewise.
11602         * stmt.c (shift_return_value): Likewise.
11603
11604 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
11605
11606         * expr.c (expand_assignment): Disable the bitfield += optimizations.
11607
11608 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11609
11610         * doc/sourcebuild.texi: Revert previous patch.
11611
11612 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11613
11614         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
11615         TARGET_MEM_FUNCTIONS.
11616         * system.h: Poison TARGET_MEM_FUNCTIONS.
11617         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
11618         bcmp_libfunc, bzero_libfunc): Remove.
11619         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
11620         bzero_libfunc.
11621         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
11622         * doc/standards.texi: Don't mention calling BSD string functions.
11623         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
11624         * config/vax/t-memfuncs: New.
11625         * config/memcmp.c, config/memcpy.c, config/memmove.c,
11626         config/memset.c: New.
11627         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
11628         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
11629         vax/t-memfuncs.
11630         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
11631         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
11632         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
11633         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
11634         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
11635         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
11636         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
11637         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
11638         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
11639         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
11640
11641 2004-07-05  Richard Henderson  <rth@redhat.com>
11642
11643         * function.c (assign_parm_setup_reg): Properly rename variables in
11644         FUNCTION_ARG_CALLEE_COPIES section.
11645
11646 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11647
11648         * tree-mudflap.c: Include cgraph.h.
11649         (mf_init_extern_trees): Rename to mudflap_init.  Export.
11650         Rewrite to create synthetic declarations instead of looking
11651         up declarations from mf-runtime.h.
11652         (mf_make_builtin, mf_make_cache_struct_type): New functions.
11653         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
11654         Correct commentary.
11655         (execute_mudflap_function_decls, mudflap_register_call):
11656         Don't call mf_init_extern_trees.
11657         (mudflap_finish_file): Use cgraph_build_static_cdtor.
11658
11659         * tree-mudflap.h: Update prototypes.
11660         * c-mudflap.c: Delete file.
11661         * c-common.c: Include tree-mudflap.h.
11662         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
11663         * Makefile.in: Remove all references to c-mudflap.o.
11664         Update dependencies.
11665
11666 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11667
11668         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
11669         displacements with the spatial-locality cache-control completer.
11670
11671 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
11672
11673         * langhooks.c: Don't include gt-langhooks.h.
11674         (var_labelno): Delete.
11675         (lhd_set_decl_assembler_name): Do not append a distinguishing
11676         number to file-scope internal-linkage declarations for the first
11677         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
11678         the declaration itself (if at block scope), or its containing
11679         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
11680         number.
11681
11682         * opts.c (cur_in_fname): New global.
11683         * opts.h: Declare it.
11684         * tree.c: Include opts.h.
11685         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
11686         DECL_UID equal to cur_in_fname.
11687         (copy_node_stat): Do not change DECL_UID when copying a
11688         TRANSLATION_UNIT_DECL.
11689         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
11690         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
11691
11692         * c-decl.c (c_static_assembler_name): Delete.
11693         * c-tree.h (c_static_assembler_name): Delete prototype.
11694         * c-lang.c, objc/objc-lang.c: Don't override
11695         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
11696
11697         * Makefile.in (tree.o): Update dependencies.
11698         (GTFILES): Remove langhooks.c.
11699
11700 2004-07-05  Roger Sayle  <roger@eyesopen.com>
11701
11702         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
11703         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
11704         Normalize "X % C" as "X % -C" for signed modulus and negative C.
11705         Optimize "X % -Y" as "X % Y" for signed modulus.
11706         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
11707         into "((unsigned) X % Y) == 0".
11708
11709 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
11710
11711         * sourcebuild.texi (Config Fragments): Use @comma{} in
11712         cross-reference to section title.
11713
11714 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11715
11716         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
11717         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
11718         (gimplify_target_expr, gimplify_expr): Likewise.
11719         (copy_if_shared_r): No longer need special case for BIND_EXPR.
11720         (unshare_body, unvisit_body): Only look at nested if BODY_P is
11721         whole function.
11722         (gimplify_compound_lval): See if we can strip any useless conversion.
11723         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
11724         from RHS, not LHS.
11725         (gimplify_modify_expr_to_memset): Likewise.
11726         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
11727         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
11728         (declare_inline_vars): Likewise.
11729         (walk_type_fields): New function.
11730         (walk_tree): Use it.
11731         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
11732
11733         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
11734         (sra_walk_modify_expr): Allow init function to fail.
11735         (scan_init): Now returns bool.
11736         (generate_element_init): If can't understand INIT, return false.
11737         (scalarize_init): Return false if generate_element_init does.
11738
11739         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
11740         print bounds.
11741
11742         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
11743         bounds if bounds aren't constant.
11744
11745         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
11746
11747         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
11748         to type hooks; remove bogus PARAMS.
11749
11750 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
11751
11752         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
11753         * dwarf2out.c (add_data_member_location_attribute): Check for
11754         TREE_BINFO.
11755         * tree.c (tree_node_kinds): Add "binfos".
11756         (binfo_lang_slots): New.
11757         (make_node_stat): Add TREE_BINFO.
11758         (make_tree_binfo_stat): New.
11759         (tree_node_structure): Add TREE_BINFO.
11760         * tree.def (TREE_BINFO): New.
11761         * tree.h (REC_OR_UNION_CHECK): Rename to ...
11762         (RECORD_OR_UNION_CHECK): ... here.
11763         (NOT_RECORD_OR_UNION_CHECK): New.
11764         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
11765         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
11766         RECORD_OR_UNION_CHECK.
11767         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
11768         (TYPE_LANG_SLOT_1): New.
11769         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
11770         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
11771         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
11772         (BINFO_ELTS): Remove.
11773         (BINFO_LANG_SLOT): New.
11774         (struct tree_binfo): New.
11775         (binfo_lang_slots): Declare.
11776         (enum tree_node_structure_enum): Add TS_BINFO.
11777         (union tree_node): Add binfo.
11778         (make_tree_binfo_stat): Declare.
11779         (make_tree_binfo): New.
11780         (enum tree_node_kind): Add binfo_kind.
11781
11782         * objc/objc-act.c (start_class, objc_declare_protocols,
11783         start_protocols): Use TYPE_LANG_SLOT_1.
11784         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
11785         to ...
11786         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
11787         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
11788         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
11789         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
11790
11791 2004-07-05  Steven Bosscher  <stevenb@suse.de>
11792
11793         * rtl.h (struct rtx_def): Remove the integrated flag.
11794         Use the return_val flag for MEM_SCALAR_P.
11795         Reshuffle and update flags in CLEAR_RTX_FLAGS.
11796
11797 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
11798
11799         PR target/16357
11800         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
11801         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
11802         move_by_pieces.
11803
11804 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
11805
11806         * var-tracking.c: Fix some comments.
11807         (frame_stack_adjust): New.
11808         (vt_stack_adjustments): Init stack_adjust of entry block to
11809         minus stack adjustment of function prologue.
11810         (adjust_stack_reference): Do not adjust if adjustment == 0.
11811         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
11812         (emit_notes_in_bb): Likewise.
11813         (vt_add_function_parameters): Do not adjust locations of
11814         function arguments.
11815         (vt_initialize): Compute the stack adjustment of function
11816         prologue and offset the initial "location" of frame_base_decl
11817         from the stack pointer after prologue.
11818
11819 2004-07-04  Richard Henderson  <rth@redhat.com>
11820
11821         * function.c (struct assign_parm_data_all): New.
11822         (struct assign_parm_data_one): New.
11823         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
11824         assign_parm_find_data_types, assign_parms_setup_varargs,
11825         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
11826         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
11827         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
11828         assign_parm_setup_block, assign_parm_setup_reg,
11829         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
11830         (assign_parms): ... here.
11831
11832 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
11833
11834         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
11835         now are bitmap_set_t's.
11836         (bitmap_insert_into_set): No point in inserting the value if
11837         it's invariant.
11838         (bitmap_set_contains): New function.
11839         (bitmap_set_replace_value): Add comment on why we do it
11840         this way.
11841         (set_contains): Removed.
11842         (bitmap_set_subtract_from_value_set): New name of
11843         set_subtract now that it's arguments are two different
11844         types of sets.
11845         Update callers.
11846         (bitmap_find_leader): Change algorithm used.
11847         (find_or_generate_expression): Update use of functions for new
11848         bitmap sets.
11849         (create_expression_by_pieces): Ditto.
11850         (insert_aux): Ditto.
11851         (insert): Ditto.
11852         (add_to_sets): Ditto.
11853         (init_pre): Ditto.
11854         (execute_pre): Ditto.
11855         (compute_avail): Ditto.
11856         Also ignore virtual phis.
11857
11858 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11859
11860         * combine.c (simplify_comparison): Fix comment typo.
11861
11862 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11863
11864         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
11865         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
11866         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
11867         (output_restore): Change parameter from 'insn' to 'pat'.
11868         (output_return): Adjust call to output_restore.
11869         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
11870         Adjust call to output_restore.
11871
11872 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11873
11874         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
11875         and assert system is bsd.
11876
11877 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
11878
11879         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
11880         (TARGET_SWITCHES): Remove -mdebugc.
11881         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
11882         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
11883         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
11884         (sle_[sd]i_reg): Delete.
11885
11886 2004-07-04  Steven Bosscher  <stevenb@suse.de>
11887
11888         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
11889         Define.
11890         * config/iq2000/iq2000.md: Translate old pipeline description to an
11891         equivalent new one.
11892
11893 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11894
11895         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
11896         Ensure the replacement rhs is valid gimple before performing
11897         the substitution.  Return false if these sanity checks fail.
11898         (fold_stmt): Only set changed to true, if set_rhs returns true.
11899         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
11900         succeeds.
11901
11902 2004-07-04  Richard Henderson  <rth@redhat.com>
11903
11904         PR c/16348
11905         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
11906
11907 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
11908
11909         * configure.ac (ranlib_flags): New variable.
11910         * Makefile.in (RANLIB_FLAGS): New variable.
11911         (libbackend.a): Use it.
11912         * configure: Regenerated.
11913
11914 2004-07-04  Roger Sayle  <roger@eyesopen.com>
11915
11916         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
11917         a "sign mask" instead of using ashr_optab directly.
11918
11919 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
11920
11921         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
11922         * doc/cppopts.texi: Clarify processing of command-line defines.
11923
11924 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
11925
11926         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
11927
11928 2004-07-04  Richard Henderson  <rth@redhat.com>
11929
11930         * rtl.def (ADDRESSOF): Remove.
11931         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
11932         (find_base_term, memrefs_conflict_p): Likewise.
11933         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
11934         (fold_rtx, cse_insn, set_live_p): Likewise.
11935         * dwarf2out.c (mem_loc_descriptor): Likewise.
11936         (add_location_or_const_value_attribute): Likewise.
11937         * emit-rtl.c (copy_insn_1): Likewise.
11938         * explow.c (memory_address): Likewise.
11939         * expmed.c (store_split_bit_field): Likewise.
11940         * expr.c (expand_expr_real_1): Likewise.
11941         * function.c (instantiate_decl
11942         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
11943         * genrecog.c (preds, validate_pattern): Likewise.
11944         * integrate.c (copy_rtx_and_substitute): Likewise.
11945         * recog.c (general_operand, register_operand): Likewise.
11946         (memory_address_p): Likwise.
11947         * reload1.c (eliminate_regs, elimination_effects): Likewise.
11948         * rtl.c (copy_rtx): Likewise.
11949         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
11950         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
11951         * rtlhooks.c (gen_lowpart_general): Likewise.
11952         * stmt.c (expand_asm_operands): Likewise.
11953         * web.c (entry_register, replace_ref, web_main): Likewise.
11954         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
11955         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
11956         * config/arm/arm.c (thumb_rtx_costs): Likewise.
11957         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
11958         * config/frv/frv.c (move_destination_operand, move_source_operand,
11959         condexec_dest_operand, condexec_source_operand,
11960         condexec_memory_operand): Likewise.
11961         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
11962         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
11963         (destination_xfmode_operand): Likewise.
11964         * config/mips/mips.h (PREDICATE_CODES): Likewise.
11965         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
11966         * config/s390/s390.c (general_s_operand): Likewise.
11967         * config/s390/s390.md (mov*): Likewise.
11968         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
11969
11970         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
11971         * expr.c (expand_expr_real_1): Likewise.
11972         * stmt.c (expand_decl): Likewise.
11973         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
11974
11975         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
11976         postponed_insns, put_var_into_stack, put_reg_into_stack,
11977         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
11978         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
11979         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
11980         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
11981         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
11982         purge_bitfield_addressof_replacements, purge_addressof_replacements,
11983         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
11984         struct insns_for_mem_walk_info, insns_for_mem_walk,
11985         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
11986         setjmp_protect_args): Remove.
11987         (push_function_context_to): Don't handle var_refs_queue.
11988         (pop_function_context_from, free_after_compilation): Likewise.
11989         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
11990         (assign_parms, allocate_struct_function): Likewise.
11991         (use_register_for_decl): New.
11992         (expand_function_end): Don't setjmp_protect.
11993         * function.h (struct emit_status): Update commentary.
11994         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
11995         (max_parm_reg, parm_reg_stack_loc): Remove.
11996         * passes.c (DFI_addressof): Remove.
11997         (dump_file_info): Remove addressof.
11998         (rest_of_handle_addressof): Remove.
11999         (rest_of_compilation): Don't call it.
12000         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
12001         * stmt.c (expand_decl): Use use_register_for_decl.
12002         * tree.h: Update decls.
12003         * web.c (mark_addressof): Remove.
12004         * doc/invoke.texi (-dF): Remove.
12005
12006 2004-07-03  Richard Henderson  <rth@redhat.com>
12007
12008         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
12009         instead of gen_mem_addressof.
12010         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
12011         TImode output register.
12012
12013 2004-07-03  Richard Henderson  <rth@redhat.com>
12014
12015         PR tree-optimization/16341
12016         * tree-sra.c (sra_walk_function): Increment to next stmt before
12017         processing the current stmt.
12018         (sra_insert_after): Always use BSI_SAME_STMT.
12019
12020 2004-07-03  Richard Henderson  <rth@redhat.com>
12021
12022         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
12023         fp plus with minus.
12024
12025 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
12026
12027         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
12028         with tree_int_cst_equal.
12029
12030 2004-07-03  Andreas Schwab  <schwab@suse.de>
12031
12032         * config/ia64/ia64.md: Define new attribute "empty".
12033         (prologue_use, nop_x, insn_group_barrier): Set it.
12034
12035         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
12036         skip over "empty" insns.
12037
12038 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12039
12040         * tree-inline.c (initialize_inlined_parameters): Pass proper function
12041         context to gimplify_body.
12042         (walk_tree): Don't walk into types twice.
12043         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
12044
12045         * tree-sra.c (generate_element_init): Remove any useless conversions.
12046
12047         * gimplify.c (gimplify_conversion): Remove stripping useless
12048         conversions from here.
12049         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
12050         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
12051         Unshare before substituting PLACEHOLDER_EXPR.
12052         (gimplify_modify_expr_to_memset): Likewise.
12053         Pass address of TO to memset, not TO itself.
12054         (gimplify_init_constructor): Make copy of OBJECT so we have it each
12055         time we make an expression (to match a PLACEHOLDER_EXPR).
12056
12057         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
12058         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
12059         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
12060         * tree-ssa-dom.c (local_fold): Likewise.
12061
12062         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
12063         * langhooks.h (strct lang_hooks): New field type_max_size.
12064         * function.c (assign_temp): Call it.
12065
12066 2004-07-03  Steven Bosscher  <stevenb@suse.de>
12067
12068         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
12069         * config/sh/sh.md: Convert the SH1 pipeline description to
12070         a DFA model.
12071
12072 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
12073
12074         * c-decl.c (struct c_binding): Remove contour field; add
12075         depth, invisible, nested fields.
12076         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
12077         (B_IN_EXTERNAL_SCOPE): New convenience macros.
12078         (bind): Add invisible and nested arguments. Initialize
12079         new fields of struct c_binding; adjust loop scanning for
12080         insertion point.
12081         (free_binding_and_advance): Clear structure with memset.
12082         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
12083         in file scope, even if it's in external scope too.
12084         (pushdecl): Adjust to match.  Create invisible file-scope
12085         declarations for block-scope forward declarations of static functions.
12086         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
12087         (undeclared_variable, lookup_label, declare_label, define_label)
12088         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
12089         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
12090         (store_parm_decls_oldstyle): Adjust to match.
12091         (diagnose_mismatched_decls): Correct handling of linkage clashes.
12092         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
12093
12094         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
12095         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
12096
12097 2004-07-02  Richard Henderson  <rth@redhat.com>
12098
12099         * c-decl.c (grokdeclarator): Don't frob current_function_decl
12100         around variable_size.
12101         (set_decl_nonlocal): Remove.
12102         (store_parm_decls): Add stmts for pending sizes.
12103         * calls.c (calls_function, calls_function_1): Remove.
12104         (precompute_arguments): Don't call it.
12105         * cfgexpand.c (set_save_expr_context): Remove.
12106         (tree_expand_cfg): Don't call it.
12107         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
12108         (dwarf2out_finish): Likewise.
12109         * expr.c (emit_block_move): Adjust addresses to BLKmode.
12110         (store_constructor): Don't pre-evaluate SAVE_EXPR.
12111         (safe_from_p): Don't queue SAVE_EXPRs.
12112         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
12113         or build plain VAR_DECLs.
12114         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
12115         (fold): Likewise.
12116         (fold_checksum_tree): Don't special-case SAVE_EXPR.
12117         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
12118         (put_var_into_stack): Don't handle SAVE_EXPR.
12119         (gen_mem_addressof): Likewise.
12120         * function.h (struct function): Remove x_save_expr_regs.
12121         (save_expr_regs): Remove.
12122         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
12123         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
12124         * stor-layout.c (variable_size): Don't set it.
12125         (force_type_save_exprs, force_type_save_exprs_1): Remove.
12126         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
12127         all callers.  Don't set SAVE_EXPR_CONTEXT.
12128         * tree-inline.h (remap_save_expr): Update decl.
12129         * tree.c (save_expr): Update build size.
12130         (first_rtl_op): Don't handle SAVE_EXPR.
12131         (unsave_expr_1, contains_placeholder_p): Likewise.
12132         (decl_function_context): Likewise.
12133         * tree.def (SAVE_EXPR): Remove args 1 and 2.
12134         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
12135         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
12136
12137 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
12138
12139         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
12140         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
12141         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
12142         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
12143         some first-person references and patronizing comments.  Based on
12144         printed manual.
12145         * doc/invoke.texi: Don't reference fortran@gnu.org.
12146         * doc/trouble.texi (Warning when a non-void function value is
12147         ignored): Rewrite.  From Russ Allbery and Chris Devers.
12148
12149 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
12150
12151         * tree-ssa-pre.c (bitmap_set_t): New.
12152         (bb_value_sets): avail_out is now a bitmap_set_t.
12153         (bitmap_find_leader): New function.
12154         (bitmap_value_insert_into_set): Ditto.
12155         (bitmap_set_copy): Ditto.
12156         (bitmap_value_replace_in_set): Ditto.
12157         (bitmap_set_contains_value): Ditto.
12158         (bitmap_set_new): Ditto.
12159         (bitmap_set_pool): New pool.
12160         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
12161         (insert_aux): Ditto.
12162         (add_to_sets): Ditto.
12163         (compute_avail): Ditto
12164         (eliminate): Ditto.
12165         (init_pre): Ditto.
12166         (fini_pre): Ditto.
12167         (execute_pre): Ditto.
12168
12169 2004-07-02  Roger Sayle  <roger@eyesopen.com>
12170
12171         * config/rs6000/rs6000.c (struct processor_costs): New structure
12172         used to hold instruction latencies/sizes for processor types.
12173         (rs6000_cost): New global variable pointing to current CPU's costs.
12174         (rs6000_override_options): Initialize rs6000_cost to point to the
12175         appropriate cost table based upon rs6000_cpu and optimize_size.
12176         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
12177         timings inline.
12178
12179 2004-07-02  Richard Henderson  <rth@redhat.com>
12180
12181         * expmed.c (make_tree): Don't use SET_DECL_RTL.
12182
12183 2004-07-02  Steven Bosscher  <stevenb@suse.de>
12184
12185         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
12186
12187 2004-07-01  Richard Henderson  <rth@redhat.com>
12188
12189         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
12190         (alpha_gp_save_rtx): Use assign_stack_local instead of
12191         gen_mem_addressof.
12192
12193 2004-07-01  Richard Henderson  <rth@redhat.com>
12194
12195         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
12196         (alpha_rtx_cost_data): Update to match.
12197         (alpha_rtx_cost_size): New.
12198         (alpha_rtx_costs): Honor optimize_size.
12199
12200 2004-07-01  Richard Henderson  <rth@redhat.com>
12201
12202         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
12203         * cfgexpand.c (tree_expand_cfg): Do it here.
12204         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
12205         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
12206         * config/mips/mips.c (mips_output_mi_thunk): And here.
12207         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
12208         * config/sh/sh.c (sh_output_mi_thunk): And here.
12209         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
12210
12211 2004-07-01  Richard Henderson  <rth@redhat.com>
12212
12213         * tree.def (RTL_EXPR): Remove.
12214         * c-typeck.c (lvalue_p): Don't handle it.
12215         * expr.c (safe_from_p): Likewise.
12216         (expand_expr_real_1): Likewise.
12217         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
12218         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
12219         * gengtype.c (adjust_field_tree_exp): Likewise.
12220         * stmt.c (warn_if_unused_value): Likewise.
12221         * tree-gimple.c (recalculate_side_effects): Likewise.
12222         * tree-pretty-print.c (dump_generic_node): Likewise.
12223         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
12224         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
12225         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
12226
12227         * stmt.c (struct stmt_status): Remove x_last_expr_type,
12228         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
12229         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
12230         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
12231         all the bits that tracked last_expr.
12232         (expand_end_bindings): Don't track last_expr.
12233         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
12234         (clear_last_expr): Remove.
12235         (expand_asm): Don't call it.
12236         (expand_asm_operands, expand_end_cond): Likewise.
12237         (expand_naked_return, expand_null_return_1): Likewise.
12238         * c-typeck.c (c_begin_compound_stmt): Likewise.
12239         * cfgexpand.c (expand_block): Use expand_expr_stmt.
12240         * expr.c (expand_expr_real_1): Likewise.
12241         * tree.h: Update prototypes.
12242
12243         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
12244         (struct emit_status): Remove sequence_rtl_expr.
12245         (struct function): Remove x_rtl_expr_chain.
12246         (seq_rtl_expr, rtl_expr_chain): Remove.
12247         * function.c (struct temp_slot): Remove rtl_expr.
12248         (assign_stack_temp_for_type): Don't set it.
12249         (free_temp_slots, pop_temp_slots): Don't check it.
12250         (free_after_compilation): Don't clear x_rtl_expr_chain.
12251         (fixup_var_refs): Don't search it.
12252         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
12253         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
12254         or seq_rtl_expr.
12255         (push_topmost_sequence): Likewise.
12256         (end_sequence, init_emit): Likewise.
12257         (start_sequence_for_rtl_expr): Remove.
12258         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
12259         * rtl.h (preserve_rtl_expr_result): Remove.
12260
12261 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
12262
12263         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
12264         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
12265         typos.
12266
12267 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
12268
12269         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
12270         (STANDARD_STARTFILE_PREFIX_2): Define.
12271         (standard_startfile_prefix_1): Initialize to
12272         STANDARD_STARTFILE_PREFIX_1.
12273         (standard_startfile_prefix_2): Initialize to
12274         STANDARD_STARTFILE_PREFIX_2.
12275         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
12276         (STANDARD_STARTFILE_PREFIX_1): Define.
12277         (STANDARD_STARTFILE_PREFIX_2): Define.
12278         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
12279         (STANDARD_STARTFILE_PREFIX_2): Document.
12280
12281 2004-07-01  Richard Henderson  <rth@redhat.com>
12282
12283         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
12284         in order to disable scalarization.  Instead set a flag and wait
12285         for a candidate decl.
12286
12287 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
12288
12289         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
12290         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
12291         Use terminology "testsuite" and "enumerated".
12292
12293 2004-07-01  Richard Henderson  <rth@redhat.com>
12294
12295         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
12296         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
12297         (initial_return_save): Likewise.
12298         (flush_queued_reg_saves): Remap register numbers.
12299         (dwarf2out_return_reg): Likewise.
12300
12301 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12302
12303         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
12304
12305         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
12306         access functions for lower bound and element size and only output
12307         if lower bound nonzero or element size not same as that of type.
12308         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
12309
12310 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12311
12312         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
12313
12314 2004-07-01  Per Bothner  <per@bothner.com>
12315
12316         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
12317
12318 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
12319
12320         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
12321         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
12322         first operand.  Don't optimize if the bitfield is volatile.
12323
12324 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12325
12326         * c-pretty-print.c (pp_c_postfix_expression): Handle
12327         floating-point comparison operators.
12328         (pp_c_expression): Pass floating-point comparison
12329         operators to pp_c_postfix_expression.
12330
12331 2004-07-01  Roger Sayle  <roger@eyesopen.com>
12332
12333         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
12334         rtx_cost instead of "had_mult" to determine whether the transformed
12335         expression is cheaper than the original.
12336
12337 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
12338
12339         * alias.c (get_alias_set, canon_rtx, get_addr,
12340         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
12341         Use MEM_P.
12342         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
12343         expand_builtin): Likewise.
12344         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
12345         Likewise.
12346         * combine.c (can_combine_p, combinable_i3pat, try_combine,
12347         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
12348         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
12349         record_dead_and_set_regs_1, get_last_value_validate,
12350         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
12351         * cse.c (check_dependence, canon_hash, equiv_constant,
12352         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
12353         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
12354         count_reg_usage): Likewise.
12355         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
12356         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
12357         cselib_record_sets): Likewise.
12358         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
12359         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
12360         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
12361         * df.c (df_uses_record): Likewise.
12362         * dojump (do_jump): Likewise.
12363         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
12364         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
12365         decl_start_label): Likewise.
12366         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
12367         operand_subword, change_address_1, make_safe_from): Likewise.
12368         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
12369         stabilize, force_not_mem): Likewise.
12370         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
12371         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
12372         * expr.c (convert_move, convert_modes, emit_block_move,
12373         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
12374         emit_move_insn_1, expand_assignment, store_expr,
12375         store_constructor_field, store_constructor, store_field,
12376         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
12377         Likewise.
12378         * final.c (cleanup_subreg_operands, alter_subreg,
12379         get_mem_expr_from_op): Likewise.
12380         * flow.c (notice_stack_pointer_modification_1,
12381         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
12382         Likewise.
12383         * function.c (mark_temp_addr_taken, preserve_temp_slots,
12384         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
12385         optimize_bit_field, flush_addressof, purge_addressof_1,
12386         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
12387         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
12388         keep_stack_depressed): Likewise.
12389         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
12390         noce_process_if_block, find_memory): Likewise.
12391         * integrate.c (subst_constants, allocate_initial_values): Likewise.
12392         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
12393         update_equiv_regs): Likewise.
12394         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
12395         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
12396         * optabs.c (expand_abs, emit_unop_insn): Likewise.
12397         * passes.c (rest_of_handle_final): Likewise.
12398         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
12399         move2add_note_store): Likewise.
12400         * ra-build.c (detect_remat_webs): Likewise.
12401         * ra-debug.c (dump_static_insn_cost): Likewise.
12402         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
12403         * recog.c (validate_change, apply_change_group, cancel_changes,
12404         validate_replace_rtx_1, general_operand, register_operand,
12405         nonmemory_operand, push_operand, pop_operand, memory_operand,
12406         indirect_operand, asm_operand_ok, offsettable_memref_p,
12407         offsettable_nonstrict_memref_p, constrain_operands,
12408         store_data_bypass_p): Likewise.
12409         * reg-stack.c (subst_stack_regs_pat): Likewise.
12410         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
12411         copy_cost, reg_scan_mark_refs): Likewise.
12412         * regmove.c (optimize_reg_copy_3, stack_memref_p,
12413         combine_stack_adjustments_for_block): Likewise.
12414         * regrename.c (copyprop_hardreg_forward_1): Likewise.
12415         * reload.c (can_reload_into, push_reload, decompose, immune_p,
12416         find_reloads, find_reloads_address, find_reloads_address_1,
12417         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
12418         find_equiv_reg): Likewise.
12419         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
12420         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
12421         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
12422         delete_address_reloads): Likewise.
12423         * resource.c (mark_referenced_resources): Likewise.
12424         * rtlanal.c (get_jump_table_offset, count_occurrences,
12425         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
12426         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
12427         num_sign_bit_copies1): Likewise.
12428         * rtlhooks.c (gen_lowpart_general): Likewise.
12429         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
12430         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
12431         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
12432         sdbout_global_decl): Likewise.
12433         * simplify-rtx.c (simplify_subreg): Likewise.
12434         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
12435         expand_anon_union_decl, expand_end_case_type): Likewise.
12436         * unroll.c (calculate_giv_inc): Likewise.
12437         * var-tracking.c (stack_adjust_offset_pre_post,
12438         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
12439         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
12440         vt_add_function_parameters): Likewise.
12441         * varasm.c (make_var_volatile, notice_global_symbol,
12442         assemble_external, decode_addr_const, mark_weak,
12443         default_encode_section_info): Likewise.
12444
12445 2004-07-01  Steven Bosscher  <stevenb@suse.de>
12446
12447         * stmt.c (check_seenlabel): Remove.
12448         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
12449
12450 2004-07-01  Richard Henderson  <rth@redhat.com>
12451
12452         * function.h (struct function): Remove x_function_call_count.
12453         (function_call_count): Remove.
12454         * calls.c (expand_call): Don't set it.
12455         * integrate.c (copy_rtx_and_substitute): Likewise.
12456
12457         * function.h (struct function): Remove x_cleanup_label.
12458         (cleanup_label): Remove.
12459         * stmt.c (expand_value_return): Don't use it.
12460         * function.c (free_after_compilation): Don't set it.
12461         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
12462         * cfgexpand.c (tree_expand_cfg): Update call.
12463         * tree.h (expand_function_start): Update decl.
12464
12465 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
12466
12467         PR c/1027
12468         * c-lang.c (c_initialize_diagnostics): Move from here ...
12469         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
12470         (c_tree_printer): Use pretty-printer to format %T.
12471         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
12472         before '*' if not C++.
12473         (pp_c_direct_abstract_declarator): Don't try to print array upper
12474         bound for flexible array members.
12475         * c-tree.h: Include "diagnostic.h".
12476         (c_initialize_diagnostics): Declare.
12477         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
12478         * c-format.c (format_type_warning): New function.  Improve
12479         diagnostics for incorrect format argument types.
12480         (check_format_types): Use it.  Add two parameters.  Use the
12481         TYPE_MAIN_VARIANT of wanted_type.
12482         (check_format_info_main): Pass new parameters to
12483         check_format_types.
12484         (struct format_wanted_type): Update comment.
12485
12486 2004-07-01  Nick Clifton  <nickc@redhat.com>
12487
12488         * target.h (struct gcc_target): Add new field to struct cxx:
12489         import_export_class.
12490         * target-def.h (TARGET_CXX): Initialise the new field.
12491         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
12492         the new field.
12493         * doc/tm.texi: Document the new target hook.
12494
12495 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12496
12497         * builtins.c (fold_builtin_classify): Fix typo.
12498
12499 2004-07-01  Richard Henderson  <rth@redhat.com>
12500
12501         * function.c (identify_blocks, identify_blocks_1): Remove.
12502         * function.h (identify_blocks): Remove.
12503         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
12504
12505 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
12506
12507         * builtins.c (fold_builtin_classify): New.
12508         (fold_builtin_unordered_cmp): Fix commentary.
12509         (fold_builtin): Use it.
12510         * builtins.def: Define builtins for isnan,
12511         isnanf, isnanl, finite, finitef, finitel,
12512         isinf, isinff, isinfl.
12513
12514 2004-07-01  Richard Henderson  <rth@redhat.com>
12515
12516         * function.h (struct function): Remove dont_emit_block_notes.
12517         * gimple-low.c (lower_function_body): Don't set it.
12518         * cfgexpand.c (expand_block): Don't check it.
12519         * cfglayout.c (insn_locators_initialize): Likewise.
12520         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
12521         * passes.c (rest_of_compilation): Likewise.
12522         * stmt.c (expand_start_bindings_and_block): Likewise.
12523         (expand_end_bindings): Likewise.
12524
12525 2004-07-01  Richard Henderson  <rth@redhat.com>
12526
12527         * cgraph.h (cgraph_build_static_cdtor): Declare.
12528         * cgraphunit.c (cgraph_build_static_cdtor): New.
12529         * c-objc-common.c (build_cdtor): Use it.
12530         * coverage.c (create_coverage): Likewise.
12531         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
12532         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
12533
12534 See ChangeLog.11 for earlier changes.