GitLab

	unprototyped function pointer casts on integer constants.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35638 138bc75d-0d04-0410-961f-82ee72b054a4

	or ISO C89 instead of ANSI C.
	* c-decl.c (grokdeclarator, xref_tag, finish_struct,
	build_enumerator, do_case): Likewise.
	* c-lex.c (parse_float, yylex): Likewise.
	* c-parse.in: Likewise.
	* c-typeck.c (common_type, build_array_ref, build_binary_op,
	build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
	build_c_cast, convert_for_assignment, set_init_index,
	set_init_label, c_expand_start_case): Likewise.
	* toplev.c (documented_lang_options, display_help): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35576 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35539 138bc75d-0d04-0410-961f-82ee72b054a4

	before the name.
	(lex_line): Glue @ onto the beginning of identifiers and
	string constants, in Objective-C mode.
	(output_token, spell_token): Handle CPP_OSTRING.
	(can_paste, maybe_paste_with_next): Handle pasting @ onto the
	beginning of a NAME or a STRING, in objc mode.

	* cpplib.c (get_define_node): Do not permit identifiers that
	begin with @ to be #defined.
	* cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
	* cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.

	* c-lang.c, objc/objc-act.c (build_objc_string): Delete.
	* c-tree.h (build_objc_string): Delete prototype.
	* objc/objc-tree.def: Delete OBJC_STRING_CST.
	* c-lex.c (yylex): Use build_string for all three kinds of strings.

	* gcc.dg/cpp/20000625-2.c: Don't expect a warning on line 4.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35470 138bc75d-0d04-0410-961f-82ee72b054a4

definitions.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35367 138bc75d-0d04-0410-961f-82ee72b054a4

	concatenation only once per line.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35290 138bc75d-0d04-0410-961f-82ee72b054a4

	labels in traditional C.

	* c-parse.in (unop +): Warn about the unary plus operator for
	traditional C.

	* c-typeck.c (store_init_value): Warn about automatic aggregate
	initialization for traditional C.

	* invoke.texi (-Wtraditional): Document new warnings.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34997 138bc75d-0d04-0410-961f-82ee72b054a4

	* c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
	lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.

	* c-parse.in (stmt): Delete unused variables.

	* convert.c (convert_to_vector): Likewise.

	* gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.

	* tree.c (finish_vector_type): Prototype.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34987 138bc75d-0d04-0410-961f-82ee72b054a4

	* c-common.h (build_stmt): Declare.
	(build_continue_stmt): Likewise.
	(build_break_stmt): Likewise.
	(build_return_stmt): Likewise.

	* c-decl.c (do_case): Rewrite to do what previously done in
	c-parse.in.

	* c-semantics.c (build_stmt): Define.
	(build_return_stmt): Likewise.
	(build_break_stmt): Likewise.
	(build_continue_stmt): Likewise.
	(build_case_label): Likewise.

	* c-parse.in (BREAK): Change to build tree, then generate RTL.
	(CONTINUE): Likewise.
	(RETURN): Likewise.
	(CASE): Likewise.
	(DEFAULT): Likewise.

	* c-parse.y: Regenerate.
	* c-pasre.c: Likewise.

	* cp/semantics.c (finish_for_stmt): Remove call to emit_line_note.
	(finish_continue_stmt): Likewise.
	(begin_for_stmt): Remove call to note_level_for_for.
	(finish_goto_stmt): Change call from build_min_nt
	to build_stmt.
	(finish_expr_stmt): Likewise.
	(begin_if_stmt): Likewise.
	(begin_while_stmt): Likewise.
	(finish_while_stmt): Likewise.
	(finish_return_stmt): Likewise.
	(begin_for_stmt): Likewise.
	(finish_for_stmt): Likewise.
	(finish_break_stmt): Likewise.
	(begin_switch_stmt): Likewise.
	(finish_case_label): Likewise.
	(genrtl_try_block): Likewise.
	(begin_try_block): Likewise.
	(begin_handler): Likewise.
	(begin_compound_stmt): Likewise.
	(finish_asm_stmt): Likewise.
	(finish_label_stmt): Likewise.
	(add_decl_stmt): Likewise.
	(finish_subobject): Likewise.
	(finish_decl_cleanup): Likewise.
	(finish_named_return_value): Likewise.
	(setup_vtbl_ptr): Likewise.
	(add_scope_stmt): Likewise.
	* cp/decl.c (finish_constructor_body): Likewise.
	(finish_destructor_body): Likewise.
	* cp/optimize.c (copy_body_r): Likewise.
	(initialize_inlined_parameters): Likewise.
	(declare_return_variable): Likewise.
	(expand_call_inline): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34943 138bc75d-0d04-0410-961f-82ee72b054a4

	(primary: IDENTIFIER): Just call build_external_ref.
	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
	Regenerate.
	* c-lex.c (lastiddecl): Remove.
	(yylex): Replace all instances of lastiddecl with local
	variables.

	* c-typeck.c (build_external_ref): New function.  Treat decls
	with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
	Look up the decl from the id here.  Call lookup_objc_ivar.
	* c-lang.c (lookup_objc_ivar): Stub.
	* objc/objc-act.c (lookup_objc_ivar): New function.

	* c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
	* c-lex.h: Don't declare lastiddecl.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34602 138bc75d-0d04-0410-961f-82ee72b054a4

	(COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
	* c-decl.c (grokdeclarator): Use VOID_TYPE_P.
	(get_parm_info): Likewise.
	(store_parm_decls): Likewise.
	(combine_parm_decls): Likewise.
	(finish_function): Likewise.
	* c-typeck.c (build_function_call): Likewise.
	(build_binary_op): Likewise.
	(build_conditional_expr): Likewise.
	(internal_build_compound_expr): Likewise.
	(convert_for_assignment): Likewise.
	* stmt.c (expend_expr_stmt): Likewise.
	(warn_if_unused_value): Likewise.
	(expand_return): Likewise.
	* c-parse.in (primary): Likewise.
	* c-parse.y, c-parse.c, c-parse.h: Regenerate.
	* objc/objc-parse.y, objc/objc-parse.c: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34402 138bc75d-0d04-0410-961f-82ee72b054a4

	* Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
	(tree.o): Depend on output.h.

	* c-decl.c (pending_invalid_xref_file,
	current_function_prototype_file): Constify.
	(pushdecl): Constify a local char *.
	(define_label): Constify filename parameter.
	* c-lex.c (init_parse): Constify parameter and return value.
	* c-typeck.c (c_expand_asm_operands): Constify filename parameter.
	* c-tree.h: Update prototypes.
	* c-parse.in: Constify filename member of %union, and if_stmt_file.
	* c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
	objc/objc-parse.c: Regenerate.

	* dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
	* dwarfout.h: Update prototypes.
	* expr.c (expand_expr): Constify a local char *.
	* flags.h: Constify main_input_filename.
	* function.c (expand_function_end): Constify filename parameter.
	* genrecog.c (make_insn_sequence): Use a character array for
	c_test_pos.
	(main): Remove unused variables.
	* input.h: Constify input_filename, main_input_filename, and
	file_stack.name.  Update prototypes.
	* output.h: Declare first_global_object_name and
	weak_global_object_name here, as const char *.
	* stmt.c (expand_asm_operands): Constify filename parameter.
	* toplev.c (compile_file, push_srcloc, debug_start_source_file):
	Constify filename parameter.
	(input_filename, main_input_filename): Constify.
	* toplev.h: Update prototypes.
	* tree.c: Include output.h.  Don't declare
	first_global_object_name or weak_global_object_name.  Clean up string
	bashing in get_file_function_name_long.
	* tree.h (struct tree_decl): Constify filename member.
	(input_filename): Constify.
	Update prototypes.
	* varasm.c (first_global_object_name, weak_global_object_name):
	Constify.
	(assemble_start_function, assemble_variable): Clean up string bashing.

	* gcc.c: Constify all spec-related strings initialized,
	transitively, from string constants.  Constify all strings
	and string variables related to multilibs.
	(set_spec, read_specs): Cast argument to free to PTR.
	(used_arg): Do not modify multilib_matches.  Use strncmp plus
	length comparison to compare multilib switches.
	* genmultilib: Constify everything declared in multilib.h.

ch:
	* ch-tree.h: Update prototypes.  Remove prototypes for
	functions declared elsewhere.
	* decl.c (define_label): Constify filename parameter.
	* grant.c (globalize_decl, set_default_grant_file): Constify
	local char * variables.  Don't declare
	first_global_object_name or asm_out_file.
	* lang.c (chill_real_input_filename): Constify.
	* lex.c (init_parse): Constify parameter and return value.
	* parse.c: Don't declare input_filename.
	(ch_expand_asm_operands): Constify filename parameter.
	(parse_multi_dimension_case_action): Constify local char *.
	* satisfy.c (safe_satisfy_decl): Constify local char *.

cp:
	* cp-tree.h: Constify tree_srcloc.filename, tinst_level.file,
	and pending_inline.filename.  Update prototypes.
	* decl.c (define_label): Constify filename parameter.
	* decl2.c (warn_if_unknown_interface): Constify local char *.
	* input.c Constify input_source.filename. Don't declare
	input_filename or lineno.  Constify filename parameter to feed_input.
	* lex.c (init_parse): Constify parameter and return value.
	(cp_pragma_interface, cp_pragma_implementation): Constify
	filename argument.
	(reinit_parse_for_method, reinit_parse_for_block,
	reinit_parse_for_expr, feed_defarg, handle_cp_pragma):
	Constify local char *.
	* pt.c: Don't declare lineno or input_filename.
	(print_template_context, tsubst_friend_function, tsubst_decl,
	tsubst, instantiate_decl): Constify local char *.
	* semantics.c (expand_body): Constify local char *.
	* tree.c (build_srcloc): Constify filename parameter.
	* typeck.c (c_expand_asm_operands): Constify filename
	parameter.

f:
	* com.c (ffecom_subscript_check_): Constify array_name
	parameter. Clean up string bashing.
	(ffecom_arrayref_, ffecom_char_args_x_): Constify array_name
	parameter.
	(ffecom_do_entry_, ffecom_gen_sfuncdef_, ffecom_start_progunit_,
	ffecom_sym_transform_, ffecom_sym_transform_assign_): Constify
	local char *.
	(init_parse): Constify parameter and return value.
	* lex.c: Include dwarfout.h instead of prototyping dwarfout_*
	functions here.
	(ffelex_file_pop_, ffelex_file_push_): Constify filename parameter.
	(ffelex_hash_, ffelex_include_): Constify local char *.
	* std.c (ffestd_exec_end): Constify local char *.
	* where.c (ffewhere_file_new): Constify filename parameter.
	* where.h: Update prototypes.

java:
	* check_init.c (check_init): Constify local char *.
	* class.c (push_class): Constify local char *.
	* java_tree.h: Update prototypes.
	* jcf-io.c (open_class): Constify filename parameter and
	return value.
	(find_class): Remove redundant string copy.  Cast return from
	open_class.
	* jcf-parse.c (read_class, parse_class_file, yyparse):
	Constify local char *.
	* jcf-write.c (generate_bytecode_insns, generate_classfile):
	Constify local char *.
	* jcf.h (JCF): Constify filename and classname.
	(JCF_FINISH): Cast args to FREE to char * when appropriate.
	* lang.c (init_parse): Constify parameter and return value.
	* lex.c (java_get_line_col): Constify filename parameter.
	* parse.h: Constify parser_ctxt.filename.  Update prototypes.
	* parse.y (java_parser_context_suspend,
	issue_warning_error_from_context, safe_layout_class): Constify
	local char *.
	* parse.c: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33804 138bc75d-0d04-0410-961f-82ee72b054a4

	(objc_tree_index, objc_global_trees): Convert most of the
	static tree variables into a static array with previous names
	as defines.
	(objc_ellipsis_node): New variable.
	(lang_init): Call objc_act_parse_init and c_parse_init.
	Create objc_ellipsis_node.
	(build_selector_translation_table): Use objc_ellipsis_node instead
	of (tree)1.
	(hack_method_prototype): Likewise.
	(get_arg_type_list): Likewise.
	(start_method_def): Likewise.
	(continue_method_def): Likewise.
	(gen_method_decl): Likewise.
	(ggc_mark_imp_list): New function.
	(ggc_mark_hash_table): New function.
	(objc_act_parse_init): New function.
	* objc/objc-act.h (objc_ellipsis_node): Add extern variable.
	* c-parse.in (c_parse_init): For objc add roots of objc specific
	local tree variables.
	* objc/objc-parse.y: Rebuilt.
	* objc/objc-parse.c: Rebuilt.
	(opt_parm_list): Use objc_ellipsis_node instead of (tree)1.

	* Object.m (strlen): Provide prototype on all 64bit platforms,
	not only alpha.
	* sarray.c (memcpy): Likewise.
	* encoding.c (objc_layout_finish_structure): Don't use
	ROUND_TYPE_ALIGN on sparc.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33092 138bc75d-0d04-0410-961f-82ee72b054a4

        since it is used to generate c-parse.y.
        * objc-parse.c, objc-parse.y: Regenerated.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32840 138bc75d-0d04-0410-961f-82ee72b054a4

	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
	Regenerated.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32648 138bc75d-0d04-0410-961f-82ee72b054a4

	* c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
	Regenerated.
	* c-tree.h (min_precision): Move declaration to here.
	* c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
	(build_unary_op, add_pending_init): Use bit_position.
	(pending_init_member, process_init_element): Likewise.
	(really_start_incremental_init, push_init_level, pop_init_level):
	Don't make copies of nodes or modify them in place, use consistent
	types when tracking positions, and use tree routines computations.
	(set_init_index, output_init_element): Likewise.
	(output_pending_init_elements, process_init_element): Likewise.
	* dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
	tree_low_cst and int_bit_position; also minor cleanup.
	(dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
	(print_cst_octal): Precision is unsigned.
	(dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
	* dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
	(simple_type_align_in_bits): Result is unsigned int.
	Use tree_int_low_cst and host_integerp.
	(simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
	(field_byte_offset): Result is HOST_WIDE_INT.
	Change types of internal variables so alignments are unsigned int,
	offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
	Use host_integerp, tree_low_cst, and int_bit_position.
	(add_bit_offset_attribute): Likewise.
	(add_data_member_location_attribute): Use tree_cst_low.
	(add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
	(add_bit_size_attribute): Use tree_low_cst.
	(add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
	* dwarfout.c: Similar changes to dwarf2out.c.
	* expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
	* genoutput.c (n_occurences): Return -1 for null string.
	(strip_whitespace): Accept null string and make into function.
	(scan_operands): Reflect above changes.
	* sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
	(sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
	* ssa.c (rename_registers): Add missing cast of arg to bzero.
	* tree.c (int_size_in_bytes): Check for too big to represent.
	(bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
	* tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
	New declarations.
	(min_precision): Delete from here.
	* varasm.c (decode_addr_const): Use host_integerp, bit_position,
	and int_bit_position.
	* objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
	(encode_method_def): Likewise.
	(build_ivar_list_initializer): Use int_bit_position.
	(generate_shared_structures): Convert size.
	(encode_type, encode_complete_bitfield): Use integer_zerop.
	(encode_bitfield): Use tree_low_cst and int_bit_position.
	* ch/typeck.c (min_precision): New function.
	(build_chill_slice): Use host_integerp and tree_low_cst.
	(expand_constant_to_buffer): Likewise and also int_bit_position.
	LO is unsigned HOST_WIDE_INT
	(build_chill_array_ref_1): Make `i' be HOST_WIDE_INT; use tree_low_cst.
	(extract_constant_from_buffer): Sizes are now HOST_WIDE_INT.
	Use host_integerp and tree_low_cst.
	(build_chill_bin_type): Use host_integerp and tree_low_cst.
	(layout_chill_range_type): Use tree_int_cst_sgn, compare_tree_int,
	tree_low_cst, and min_precision.
	(apply_chill_array_layout): Cleanups for types of variables
	and use tree_int_cst_sgn, compare_tree_int, and tree_low_cst.
	(apply_chill_field_layout): Likewise.
	* cp/class.c (build_vbase_path): Use integer_zerop.
	(build_vtable_entry): Use tree_low_cst.
	(get_vfield_offset): Use bit_position.
	(dfs_modify_vtables): New variable vindex_val; `i' is HOST_WIDE_INT.
	Use tree_low_cst.
	(check_bitfield_decl): Set DECL_SIZE using convert.
	(build_base_field): Set DECL_SIZE and DECL_SIZE_UNIT using size_binop.
	(layout_virtual_bases): DSIZE is unsigned HOST_WIDE_INT.
	Use tree_low_cst.
	(finish_struct_1): Use bit_position.
	(dump_class_hierarchy): Use tree_low_cst.
	* cp/cp-tree.h (min_precision): Add declaration.
	* cp/decl.c (xref_tag, xref_basetypes): Use tree_low_cst.
	* cp/error.c (dump_type_suffix): Use host_integerp and tree_low_cst.
	(dump_expr): Use integer_zerop, host_integerp, and tree_low_cst.
	* cp/expr.c (cplus_expand_constant): Use bit_position.
	* cp/init.c (build_vec_init): Use host_integerp and tree_low_cst.
	* cp/rtti.c (get_base_offset): Use bit_position.
	* cp/typeck.c (build_binary_op): Use integer_zerop, compare_tree_int,
	host_integerp, and tree_low_cst.
	(pointer_int_sum): Use integer_zerop.
	(build_component_addr): Use bit_position.
	* java/class.c (make_field_value): Properly handle sizes.
	(get_dispatch_vector): Use tree_low_cst and host_integerp.
	(layout_class_method): Count using trees.
	* java/decl.c (push_promoted_type): Set TYPE_{MIN,MAX}_VALUE with
	copy_node.
	* java/expr.c (java_array_data_offset): Use int_bit_position.
	(build_newarray, build_anewarray): Use host_integerp and tree_low_cst.
	(build_invokevirtual): Use tree_low_cst and do computations with trees.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32607 138bc75d-0d04-0410-961f-82ee72b054a4

	* c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
	* c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
	__ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
	__unbounded, __unbounded__): New keywords.
	* c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32540 138bc75d-0d04-0410-961f-82ee72b054a4

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32172 138bc75d-0d04-0410-961f-82ee72b054a4

	* c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
	Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31698 138bc75d-0d04-0410-961f-82ee72b054a4

	c-typeck.c, objc/objc-act.c: Remove all references to obstack
	functions obsoleted by GC, such as push_obstacks_nochange,
	end_temporary_allocation, savealloc, saveable_tree_cons, etc.
	and code which existed only to decide whether or not to call
	them.  Remove now-unused NESTED argument from start_function;
	all callers changed.  Do not change behavior based on ggc_p.
	The use of the ixp_obstack in c-iterate.c and the util_obstack
	in objc/objc-act.c remain; these are not obsoleted by garbage
	collection.
	* c-tree.h: Update prototype for start_function.

	* c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31611 138bc75d-0d04-0410-961f-82ee72b054a4

	(RESTORE_WARN_FLAGS): Unpack it.
	Change semantic type of extension to ttype.
	* c-common.c (split_specs_attrs): Expect an INTEGER_CST.
	* c-parse.y, c-parse.c, objc/objc-parse.y,
	objc/objc-parse.c: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31478 138bc75d-0d04-0410-961f-82ee72b054a4

        * c-common.h: Likewise.
        * c-decl.c: Likewise.
        * c-iterate.c: Likewise.
        * c-lang.c: Likewise.
        * c-lex.c: Likewise.
        * c-lex.h: Likewise.
        * c-parse.in: Likewise.
        * c-pragma.c: Likewise.
        * c-pragma.h: Likewise.
        * c-tree.h: Likewise.
        * c-typeck.c: Likewise.
        * objc/objc-act.c: Likewise.
        * objc/objc-act.h: Likewise.


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	* c-parse.in (string action): Do not warn about ANSI string
	concatenation in system headers.  Affects C parser only.
	* c-parse.y, c-parse.c, c-parse.h: Rebuild.


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        concatenation is utilized.

        * invoke.texi (-Wtraditional): Document it.


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        * cccp.c (special_symbol): Likewise.

        * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.

        * dwarf2out.c (base_type_die): Likewise.

        * global.c (allocno_compare): Likewise.

        * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.

        * regclass.c (fix_register): Likewise.

        * rtl.h (fix_register): Likewise.

        * stupid.c (stupid_reg_compare): Likewise.

        * toplev.c (decode_f_option): Likewise.

        * tree.c (build_complex_type): Likewise.


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        (%expect): Update.
        * c-parse.y: Regenerate.
        * c-parse.c: Likewise.
        * objc/objc-parse.y: Likewise.
        * objc/objc-parse.c: Likewise.
        * c-decl.c (finish_struct): Don't sort the fields.
        (field_decl_cmp): Delete unused function.


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        along with pedantic.
        (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
        Set the type of extension to itype rather than $<itype>1 kludge.
        * extend.texi (Alternate Keywords): Adjust documentation.
        * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.


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	(c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
	$(out_object_file)): Depend on ggc.h.
	* c-common.c: Include "ggc.h".
	(combine_strings): If doing GC, use ggc_alloc_string.
	* c-decl.c: Include "ggc.h".
	(ggc_p): Define with value 0.
	(mark_binding_level): New function.
	(init_decl_processing): Add GC roots.
	(mark_c_function_context): New function.
	(lang_mark_false_label_stack): New function.
	(lang_mark_tree): New function.
	(lang_cleanup_tree): New function.
	* c-lang.c: Include "ggc.h".
	(lang_init): Call c_parse_init.
	* c-lex.c: Include "ggc.h".
	(check_linenum): If doing GC, don't copy filenames to permanent
	obstack.
	* c-parse.in: Include "ggc.h".
	(c_parse_init): New function.
	* c-tree.h (c_parse_init, mark_c_function_context): Declare.
	* objc/Make-lang.in (objc-parse.o): Depend on ggc.h.

	* except.c (mark_eh_state): Mark more state.
	* function.c (mark_function_state): Likewise.
	* ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
	(ggc_alloc_string) [GGC_DUMP]: Fix typo.
	* toplev.c (mark_file_stack): New function.
	(compile_file): If doing GC, use ggc_alloc_string on input filename.
	(main): Add root for input_file_stack.

	* i386.c: Include "ggc.h".
	(ix86_mark_machine_status): New function.
	(override_options): Set mark_machine_status.


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	Delete elt NEXT.
	(c_function_chain): Delete.
	(push_c_function_context): New arg F.  Don't warn about nested
	functions here.  Fill LANGUAGE elt of F.  Delete code to update
	c_function_chain.  Don't call push_function_context.
	(pop_c_function_context): New arg F.  Restore from there instead of
	from c_function_chain.  Don't call pop_function_context.  Clear out
	LANGUAGE field of F when done.
	* c-lang.c: Include "function.h"
	(lang_init): Initialize save_lang_status and restore_lang_status.
	* c-parse.in (nested_function, nested_function_notype): Warn about
	nested functions.  Call push_function_context/pop_function_context
	instead of the _c_ variants.
	* c-tree.h (push_c_function_context, pop_c_function_context): Update
	prototype.
	* Makefile.in (c-lang.o): Update dependencies.

	* emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
	regno_pointer_flag, regno_pointer_align.
	(gen_reg_rtx): Use xrealloc to enlarge them.
	(free_emit_status): New function.
	* function.c (mark_machine_status, mark_lang_status): New variables.
	(assign_stack_local_1): Renamed from assign_outer_stack_local.  Merge
	in some bits from assign_stack_local.  All callers changed to use new
	name.
	(assign_stack_local): Just call assign_stack_local_1.
	(free_after_compilation): New function.
	(put_reg_into_stack): Simplify to always call assign_stack_local_1.
	(trampoline_address): Likewise.
	(assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
	(prepare_function_start): Explicitly clear some more variables.
	* function.h (struct function): New elt can_garbage_collect.
	(mark_machine_status, mark_lang_status): Declare variables.
	(free_after_compilation, free_emit_status, free_varasm_status,
	init_varasm_status): Declare functions.
	* toplev.c (rest_of_compilation): Call free_after_compilation when
	done with the current function.
	* varasm.c (free_varasm_status): New function.


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        part of compstmt handling in primary.
        (primary): Use it.  Add an error clause.
        (compstmt_nostart): Renamed from compstmt; remove all
        initial invocations of compstmt_start.
        (compstmt): New.


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	* dwarf2out.c (language_string): Remove declaration.

	* dwarfout.c (language_string): Likewise.

	* toplev.c (language_string, init_parse, finish_parse): Likewise.

	* tree.h (language_string, init_parse, finish_parse): Declare.

	* i386/sun386.h (language_string): Remove declaration.

	* mips.h (language_string): Likewise.

	* nextstep.h (language_string): Likewise.

	* nextstep21.h (language_string): Likewise.

	* rs6000.c (language_string): Likewise.

In ch:
	* parse.c (language_string): Constify.
In cp:
	* parse.y (language_string): Constify.
In f:
	* com.c (language_string): Constify.
In java:
	* lang.c (language_string): Constify.


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	(linemode): New variable.
	(parse_float): imag, conversion_errno, and type are output only.
	(yylex): Adjust.  Move initial '.' case into main switch.
	Use linemode.
	(handle_generic_pragma): Just deal with tokens.
	(readescape): Use ISXDIGIT and ISGRAPH.
	* c-parse.in: Add END_OF_LINE token.

	* c-lex.c (lang_init): Generalize.
	(nextchar): Remove.  Replace uses with UNGETC.
	(skip_white_space): Handle linemode here.  Optimize for cpplib.
	(skip_white_space_on_line): Remove.
	(extend_token_buffer_to): New fn.
	(extend_token_buffer): Use it.
	(read_line_number, check_newline): Just deal with tokens.
	(token_getch, token_put_back): New fns.
	(yylex): Use them.  More cpplib optimizations.  Simplify.

	* c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
	(consume_string): Make this smart about USE_CPPLIB.
	(check_newline): Rewrite to be intelligent about USE_CPPLIB.
	(yylex): Rewrite to be intelligent about USE_CPPLIB.
	Also, clean up cases where we redundantly set token_buffer[0].
	(read_line_number): New fn.
	(ignore_escape_flag): New variable.


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        and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
        (expand_builtin_next_arg): Accept ARGLIST not EXP.
        (stabilize_va_list): New function.
        (std_expand_builtin_va_start): New function.
        (expand_builtin_va_start): New function.
        (get_varargs_alias_set): New function.
        (std_expand_builtin_va_arg): New function.
        (expand_builtin_va_arg): New function.
        (expand_builtin_va_end): New function.
        (expand_builtin_va_copy): New function.
        (expand_builtin): Call them.
        * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
        __builtin_{varargs_start,stdarg_start,end,copy}.
        (build_va_arg): New function.
        * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
        (build_va_arg): Declare.
        * c-decl.c (ptr_type_node, va_list_type_node): New.
        * c-parse.gperf (__builtin_va_arg): New.
        * c-parse.in (VA_ARG): New token.
        (unary_expr): Recognize it.
        * expr.c (expand_expr): Expand VA_ARG_EXPR.
        * expr.h (std_expand_builtin_va_start): Declare.
        (std_expand_builtin_va_arg): Declare.
        (expand_builtin_va_arg): Declare.
        (get_varargs_alias_set): Declare.
        * tree.def (VA_ARG_EXPR): New.
        * tree.h (BUILT_IN_VARARGS_START): New.
        (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
        (ptr_type_node, va_list_type_node): Declare.
        * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
        * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
        * m88k.h, m88k.c: Likewise.
        * mn10300.h, mn10300.c: Likewise.
        * pa.h, pa.c: Likewise.
        * rs6000.h, rs6000.c: Likewise.
        * sh.h, sh.c: Likewise.
        * sparc.h, sparc.c: Likewise.

        * emit-rtl.c (operand_subword): Copy alias set.
        (change_address): Likewise.


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        (%expect): Update.
        * c-parse.y: Regenerate.
        * c-parse.c: Likewise.
        * objc/objc-parse.c: Likewise.
        * objc/objc-parse.y: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26663 138bc75d-0d04-0410-961f-82ee72b054a4

        calling C_SET_EXP_ORIGINAL_CODE.


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        on a LABEL_DECL.
        * c-parse.in (label): Parse attributes after a label, and call
        `decl_attributes' to handle them.
        * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
        * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
        generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
        * invoke.texi: Note that labels can be marked `unused'.


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        `__func__'.
        * c-decl.c (flag_isoc9x): Set to 1 by default.
        (c_decode_option): Handle -std= option.  Remove -flang-isoc9x.
        (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
        * c-parse.in: Allow constructors in ISO C 9x.
        Rewrite designator list handling.
        Allow [*] parameters.
        Don't warn about comma at end of enum definition for ISO C 9x.
        * cccp.c (c9x): New variable.
        (rest_extension): New variable.
        (print_help): Document new -std= option.
        (main): Recognize -std= option.  Set c9x appropriately.
        (create_definition): Recognize ISO C 9x vararg macros.
        * gcc.c (default_compilers): Adjust specs for -std options.
        (option_map): Add --std.
        (display_help): Document -std.
        * toplev.c (documented_lang_options): Add -std and remove
        -flang-isoc9x.
        * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
        or REAL_VALUE_HTOF based on base of the constants.
        * fold-const.c (real_hex_to_f): New function.  Replacement function
        for hex FP conversion if REAL_ARITHMETIC is not defined.
        * real.c (asctoeg): Add handling of hex FP constants.
        * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
        real_hex_to_f.


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	* Makefile.in (OBJS): Add splay-tree.o.
	(c-common.o): Depend on rtl.h.
	(splay-tree.o): List dependencies and provide build rule.
	* rtl.h (record_alias_subset): New function.
	* alias.c: Include splay-tree.h.
	(alias_set_entry): New type.
	(CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
	(DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
	(mems_in_disjoin_alias_sets_p): New function.
	(alias_set_compare): Likewise.
	(insert_subset_children): Likewise.
	(get_alias_set_entry): Likewise.
	* tree.h (TYPE_RESTRICT): New macro.
	(TYPE_UNQUALIFIED): New manifest constant.
	(TYPE_QUAL_CONST): Likewise
	(TYPE_QUAL_VOLATILE): Likewise.
	(TYPE_QUAL_RESTRICT): Likewise.
	(tree_type): Add restrict_flag.  Reduce count of free bits.
	(DECL_POINTER_ALIAS_SET): New macro.
	(DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
	(tree_decl): Add pointer_alias_set.
	(build_qualified_type): New function.
	(build_type_variant): Define in terms of build_qualified_type.
	* tree.c (set_type_quals): New function.
	(make_node): Initializae DECL_POINTER_ALIAS_SET.
	(build_type_attribute_variant): Use build_qualified_type and
	set_type_quals.
	(build_type_variant): Rename, and modify, to become...
	(build_qualified_type): New function.
	(build_complex_type): Use set_type_quals.
	* c-tree.h (C_TYPE_OBJECT_P): New macro.
	(C_TYPE_FUNCTION_P): Likewise.
	(C_TYPE_INCOMPLETE_P): Likewise.
	(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
	(c_apply_type_quals_to_decl): New function.
	(c_build_qualified_type): New function.
	(c_build_type_variant): Define in terms of c_build_qualified_type.
	(flag_isoc9x): Declare.
	* c-typeck.c (qualify_type): Use c_build_qualified_type.
	(common_type): Change to use TYPE_QUALS.
	(comptypes): Likewise.
	(convert_for_assignment): Likewise.
	* c-aux-info.c (gen_type): Likewise.  Deal with `restrict'.
	* c-decl.c (flag_isoc9x): Define.
	(c_decode_option): Handle -flang-isoc9x.
	(grokdeclarator): Update to handle restrict.  Use TYPE_QUALS,
	c_build_qualified_type, etc.  Use c_apply_type_quals_to_decl.
	* c-lex.c (init_lex): Deal with restrict.
	(init_lex): Don't treat restrict as a reserved word in
	-traditional mode, or without -flang-isoc9x.
	* c-lex.h (rid): Add RID_RESTRICT.
	* c-parse.gperf (restrict, __restrict, __restrict__): Make
	equivalent to RID_RESTRICT.
	* c-parse.in (TYPE_QUAL): Update comment.
	* c-common.c: Include rtl.h.
	(c_find_base_decl): New function.
	(c_build_type_variant): Rename, and modify, to become ...
	(c_build_qualified_type): New function.
	(c_apply_type_quals_to_decl): Likewise.
	(c_get_alias_set): For INDIRECT_REFs, check to see if we can find
	a particular alias set for the reference.
	* toplev.c (documented_lang_options): Add -flang-isoc9x.


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