diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 66 |
1 files changed, 4 insertions, 62 deletions
@@ -133,7 +133,6 @@ struct tree_common ENUM_BITFIELD(tree_code) code : 8; unsigned side_effects_flag : 1; unsigned constant_flag : 1; - unsigned permanent_flag : 1; unsigned addressable_flag : 1; unsigned volatile_flag : 1; unsigned readonly_flag : 1; @@ -155,6 +154,10 @@ struct tree_common unsigned lang_flag_4 : 1; unsigned lang_flag_5 : 1; unsigned lang_flag_6 : 1; + /* This flag is presently unused. However, language front-ends + should not make use of this flag; it is reserved for future + expansion. */ + unsigned dummy : 1; }; /* The following table lists the uses of each of the above flags and @@ -230,8 +233,6 @@ struct tree_common TREE_CONSTANT in all expressions - permanent_flag: TREE_PERMANENT in all nodes - unsigned_flag: TREE_UNSIGNED in @@ -568,17 +569,6 @@ extern void tree_class_check_failed PARAMS ((const tree, int, if the value is constant. */ #define TREE_CONSTANT(NODE) ((NODE)->common.constant_flag) -/* Nonzero means permanent node; - node will continue to exist for the entire compiler run. - Otherwise it will be recycled at the end of the function. - This flag is always zero if garbage collection is in use. - Try not to use this. Only set it with TREE_SET_PERMANENT. */ -#define TREE_PERMANENT(NODE) ((NODE)->common.permanent_flag) -#define TREE_SET_PERMANENT(NODE) do { \ - if (!ggc_p && current_obstack == &permanent_obstack) \ - TREE_PERMANENT(NODE) = 1; \ -} while (0) - /* In INTEGER_TYPE or ENUMERAL_TYPE nodes, means an unsigned type. In FIELD_DECL nodes, means an unsigned bit field. The same bit is used in functions as DECL_BUILT_IN_NONANSI. */ @@ -890,7 +880,6 @@ struct tree_block #define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type.main_variant) #define TYPE_NONCOPIED_PARTS(NODE) (TYPE_CHECK (NODE)->type.noncopied_parts) #define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type.context) -#define TYPE_OBSTACK(NODE) (TYPE_CHECK (NODE)->type.obstack) #define TYPE_LANG_SPECIFIC(NODE) (TYPE_CHECK (NODE)->type.lang_specific) /* For a VECTOR_TYPE node, this describes a different type which is emitted @@ -1152,7 +1141,6 @@ struct tree_type union tree_node *binfo; union tree_node *noncopied_parts; union tree_node *context; - struct obstack *obstack; HOST_WIDE_INT alias_set; /* Points to a structure whose details depend on the language in use. */ struct lang_type *lang_specific; @@ -1858,9 +1846,7 @@ extern tree integer_types[itk_none]; extern int exact_log2_wide PARAMS ((unsigned HOST_WIDE_INT)); extern int floor_log2_wide PARAMS ((unsigned HOST_WIDE_INT)); -extern char *oballoc PARAMS ((int)); extern char *permalloc PARAMS ((int)); -extern char *savealloc PARAMS ((int)); extern char *expralloc PARAMS ((int)); /* Compute the number of bytes occupied by 'node'. This routine only @@ -1917,8 +1903,6 @@ extern tree build_complex PARAMS ((tree, tree, tree)); extern tree build_string PARAMS ((int, const char *)); extern tree build1 PARAMS ((enum tree_code, tree, tree)); extern tree build_tree_list PARAMS ((tree, tree)); -extern tree build_decl_list PARAMS ((tree, tree)); -extern tree build_expr_list PARAMS ((tree, tree)); extern tree build_decl PARAMS ((enum tree_code, tree, tree)); extern tree build_block PARAMS ((tree, tree, tree, tree, tree)); extern tree build_expr_wfl PARAMS ((tree, const char *, int, int)); @@ -2177,11 +2161,6 @@ extern tree chainon PARAMS ((tree, tree)); /* Make a new TREE_LIST node from specified PURPOSE, VALUE and CHAIN. */ extern tree tree_cons PARAMS ((tree, tree, tree)); -extern tree perm_tree_cons PARAMS ((tree, tree, tree)); -extern tree temp_tree_cons PARAMS ((tree, tree, tree)); -extern tree saveable_tree_cons PARAMS ((tree, tree, tree)); -extern tree decl_tree_cons PARAMS ((tree, tree, tree)); -extern tree expr_tree_cons PARAMS ((tree, tree, tree)); /* Return the last tree node in a chain. */ @@ -2620,34 +2599,9 @@ extern tree gettags PARAMS ((void)); extern tree build_range_type PARAMS ((tree, tree, tree)); -/* Call when starting to parse a declaration: - make expressions in the declaration last the length of the function. - Returns an argument that should be passed to resume_momentary later. */ -extern int suspend_momentary PARAMS ((void)); - -extern int allocation_temporary_p PARAMS ((void)); - -/* Call when finished parsing a declaration: - restore the treatment of node-allocation that was - in effect before the suspension. - YES should be the value previously returned by suspend_momentary. */ -extern void resume_momentary PARAMS ((int)); - /* Called after finishing a record, union or enumeral type. */ extern void rest_of_type_compilation PARAMS ((tree, int)); -/* Save the current set of obstacks, but don't change them. */ -extern void push_obstacks_nochange PARAMS ((void)); - -extern void permanent_allocation PARAMS ((int)); -extern void push_momentary PARAMS ((void)); -extern void clear_momentary PARAMS ((void)); -extern void pop_momentary PARAMS ((void)); -extern void end_temporary_allocation PARAMS ((void)); - -/* Pop the obstack selection stack. */ -extern void pop_obstacks PARAMS ((void)); - /* In alias.c */ extern void record_component_aliases PARAMS ((tree)); extern HOST_WIDE_INT get_alias_set PARAMS ((tree)); @@ -2657,18 +2611,10 @@ extern HOST_WIDE_INT lang_get_alias_set PARAMS ((tree)); /* In tree.c */ extern int really_constant_p PARAMS ((tree)); -extern void push_obstacks PARAMS ((struct obstack *, - struct obstack *)); -extern void pop_momentary_nofree PARAMS ((void)); -extern void preserve_momentary PARAMS ((void)); -extern void saveable_allocation PARAMS ((void)); -extern void temporary_allocation PARAMS ((void)); -extern void resume_temporary_allocation PARAMS ((void)); extern void set_identifier_size PARAMS ((int)); extern int int_fits_type_p PARAMS ((tree, tree)); extern int tree_log2 PARAMS ((tree)); extern int tree_floor_log2 PARAMS ((tree)); -extern void preserve_initializer PARAMS ((void)); extern void preserve_data PARAMS ((void)); extern int object_permanent_p PARAMS ((tree)); extern int type_precision PARAMS ((tree)); @@ -2683,9 +2629,6 @@ extern tree type_hash_lookup PARAMS ((unsigned int, tree)); extern void type_hash_add PARAMS ((unsigned int, tree)); extern unsigned int type_hash_list PARAMS ((tree)); extern int simple_cst_list_equal PARAMS ((tree, tree)); -extern void debug_obstack PARAMS ((char *)); -extern void rtl_in_current_obstack PARAMS ((void)); -extern void rtl_in_saveable_obstack PARAMS ((void)); extern void init_tree_codes PARAMS ((void)); extern void dump_tree_statistics PARAMS ((void)); extern void print_obstack_statistics PARAMS ((const char *, @@ -2702,7 +2645,6 @@ extern int real_twop PARAMS ((tree)); extern void start_identifier_warnings PARAMS ((void)); extern void gcc_obstack_init PARAMS ((struct obstack *)); extern void init_obstacks PARAMS ((void)); -extern void obfree PARAMS ((char *)); extern void build_common_tree_nodes PARAMS ((int)); extern void build_common_tree_nodes_2 PARAMS ((int)); |