struct rtx_def *rtl; /* acts as link to register transfer language
(rtl) info */
int length;
- char *pointer;
+ const char *pointer;
};
/* In a COMPLEX_CST node. */
TI_INTEGER_ZERO,
TI_INTEGER_ONE,
+ TI_INTEGER_MINUS_ONE,
TI_NULL_POINTER,
TI_SIZE_ZERO,
TI_PTRDIFF_TYPE,
TI_VA_LIST_TYPE,
+ TI_VOID_LIST_NODE,
+
TI_V4SF_TYPE,
TI_V4SI_TYPE,
TI_V8QI_TYPE,
#define integer_zero_node global_trees[TI_INTEGER_ZERO]
#define integer_one_node global_trees[TI_INTEGER_ONE]
+#define integer_minus_one_node global_trees[TI_INTEGER_MINUS_ONE]
#define size_zero_node global_trees[TI_SIZE_ZERO]
#define size_one_node global_trees[TI_SIZE_ONE]
#define bitsize_zero_node global_trees[TI_BITSIZE_ZERO]
#define ptrdiff_type_node global_trees[TI_PTRDIFF_TYPE]
#define va_list_type_node global_trees[TI_VA_LIST_TYPE]
+/* The node that should be placed at the end of a parameter list to
+ indicate that the function does not take a variable number of
+ arguments. The TREE_VALUE will be void_type_node and there will be
+ no TREE_CHAIN. Language-independent code should not assume
+ anything else about this node. */
+#define void_list_node global_trees[TI_VOID_LIST_NODE]
+
#define main_identifier_node global_trees[TI_MAIN_IDENTIFIER]
#define MAIN_NAME_P(NODE) (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
extern int exact_log2_wide PARAMS ((unsigned HOST_WIDE_INT));
extern int floor_log2_wide PARAMS ((unsigned HOST_WIDE_INT));
+/* Approximate positive square root of a host double. This is for
+ statistical reports, not code generation. */
+extern double approx_sqrt PARAMS ((double));
+
extern char *permalloc PARAMS ((int));
extern char *expralloc PARAMS ((int));
extern tree build PARAMS ((enum tree_code, tree, ...));
extern tree build_nt PARAMS ((enum tree_code, ...));
-extern tree build_parse_node PARAMS ((enum tree_code, ...));
extern tree build_int_2_wide PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT));
extern tree build_real PARAMS ((tree, REAL_VALUE_TYPE));
extern void fixup_unsigned_type PARAMS ((tree));
extern tree build_pointer_type PARAMS ((tree));
extern tree build_reference_type PARAMS ((tree));
+extern tree build_type_no_quals PARAMS ((tree));
extern tree build_index_type PARAMS ((tree));
extern tree build_index_2_type PARAMS ((tree, tree));
extern tree build_array_type PARAMS ((tree, tree));
/* Return 0 if it is safe to evaluate EXPR multiple times,
return 1 if it is safe if EXPR is unsaved afterward, or
return 2 if it is completely unsafe. */
-extern int unsafe_for_reeval PARAMS ((tree));
+extern int unsafe_for_reeval PARAMS ((tree));
+
+/* If non-null, these are language-specific helper functions for
+ unsafe_for_reeval. Return negative to not handle some tree. */
+extern int (*lang_unsafe_for_reeval) PARAMS ((tree));
/* Return 1 if EXP contains a PLACEHOLDER_EXPR; i.e., if it represents a size
or offset that depends on a field within a record.
extern void expand_start_elseif PARAMS ((tree));
extern struct nesting *expand_start_loop PARAMS ((int));
extern struct nesting *expand_start_loop_continue_elsewhere PARAMS ((int));
+extern struct nesting *expand_start_null_loop PARAMS ((void));
extern void expand_loop_continue_here PARAMS ((void));
extern void expand_end_loop PARAMS ((void));
+extern void expand_end_null_loop PARAMS ((void));
extern int expand_continue_loop PARAMS ((struct nesting *));
extern int expand_exit_loop PARAMS ((struct nesting *));
extern int expand_exit_loop_if_false PARAMS ((struct nesting *,
change. Required by any language that supports variadic arguments. */
extern tree (*lang_type_promotes_to) PARAMS ((tree));
+extern tree fold_builtin PARAMS ((tree));
\f
/* The language front-end must define these functions. */
-/* Function of no arguments for initializing options. */
-extern void lang_init_options PARAMS ((void));
-
/* Function of no arguments for initializing lexical scanning. */
extern void init_lex PARAMS ((void));
/* Function of no arguments for initializing the symbol table. */
extern void init_decl_processing PARAMS ((void));
-/* Functions called with no arguments at the beginning and end or processing
- the input source file. */
-extern void lang_init PARAMS ((void));
-extern void lang_finish PARAMS ((void));
-
/* Function to identify which front-end produced the output file. */
extern const char *lang_identify PARAMS ((void));
/* Function called with no arguments to parse and compile the input. */
extern int yyparse PARAMS ((void));
-/* Function called with option as argument
- to decode options starting with -f or -W or +.
- It should return nonzero if it handles the option. */
-extern int lang_decode_option PARAMS ((int, char **));
-
/* Functions for processing symbol declarations. */
/* Function to enter a new lexical scope.
Takes one argument: always zero when called from outside the front end. */
/* In alias.c */
extern void record_component_aliases PARAMS ((tree));
extern HOST_WIDE_INT get_alias_set PARAMS ((tree));
+extern int alias_sets_conflict_p PARAMS ((HOST_WIDE_INT,
+ HOST_WIDE_INT));
+extern int readonly_fields_p PARAMS ((tree));
+extern int objects_must_conflict_p PARAMS ((tree, tree));
/* In c-common.c */
extern HOST_WIDE_INT lang_get_alias_set PARAMS ((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 init_tree_codes PARAMS ((void));
extern void dump_tree_statistics PARAMS ((void));
extern void print_obstack_statistics PARAMS ((const char *,
struct obstack *));
extern void init_obstacks PARAMS ((void));
extern void build_common_tree_nodes PARAMS ((int));
extern void build_common_tree_nodes_2 PARAMS ((int));
+extern void mark_tree_hashtable PARAMS ((void *));
/* In function.c */
extern void setjmp_protect_args PARAMS ((void));
extern void fixup_signed_type PARAMS ((tree));
/* varasm.c */
-extern void make_decl_rtl PARAMS ((tree, const char *, int));
+extern void make_decl_rtl PARAMS ((tree, const char *));
extern void make_decl_one_only PARAMS ((tree));
extern int supports_one_only PARAMS ((void));
extern void variable_section PARAMS ((tree, int));
projects / gcc.git / blobdiff