diff options
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 94 |
1 files changed, 90 insertions, 4 deletions
@@ -335,10 +335,6 @@ extern const char * built_in_names[(int) END_BUILTINS]; #define CASE_FLT_FN(FN) case FN: case FN##F: case FN##L #define CASE_FLT_FN_REENT(FN) case FN##_R: case FN##F_R: case FN##L_R #define CASE_INT_FN(FN) case FN: case FN##L: case FN##LL - -/* An array of _DECL trees for the above. */ -extern GTY(()) tree built_in_decls[(int) END_BUILTINS]; -extern GTY(()) tree implicit_built_in_decls[(int) END_BUILTINS]; /* In an OMP_CLAUSE node. */ @@ -5918,4 +5914,94 @@ is_lang_specific (tree t) /* In gimple-low.c. */ extern bool block_may_fallthru (const_tree); + +/* Functional interface to the builtin functions. */ + +/* The builtin_info structure holds the FUNCTION_DECL of the standard builtin + function, and a flag that says if the function is available implicitly, or + whether the user has to code explicit calls to __builtin_<xxx>. */ + +typedef struct GTY(()) builtin_info_type_d { + tree decl[(int)END_BUILTINS]; + bool implicit_p[(int)END_BUILTINS]; +} builtin_info_type; + +extern GTY(()) builtin_info_type builtin_info; + +/* Valid builtin number. */ +#define BUILTIN_VALID_P(FNCODE) \ + (IN_RANGE ((int)FNCODE, ((int)BUILT_IN_NONE) + 1, ((int) END_BUILTINS) - 1)) + +/* Return the tree node for an explicit standard builtin function or NULL. */ +static inline tree +builtin_decl_explicit (enum built_in_function fncode) +{ + gcc_checking_assert (BUILTIN_VALID_P (fncode)); + + return builtin_info.decl[(size_t)fncode]; +} + +/* Return the tree node for an implicit builtin function or NULL. */ +static inline tree +builtin_decl_implicit (enum built_in_function fncode) +{ + size_t uns_fncode = (size_t)fncode; + gcc_checking_assert (BUILTIN_VALID_P (fncode)); + + if (!builtin_info.implicit_p[uns_fncode]) + return NULL_TREE; + + return builtin_info.decl[uns_fncode]; +} + +/* Set explicit builtin function nodes and whether it is an implicit + function. */ + +static inline void +set_builtin_decl (enum built_in_function fncode, tree decl, bool implicit_p) +{ + size_t ufncode = (size_t)fncode; + + gcc_checking_assert (BUILTIN_VALID_P (fncode) + && (decl != NULL_TREE || !implicit_p)); + + builtin_info.decl[ufncode] = decl; + builtin_info.implicit_p[ufncode] = implicit_p; +} + +/* Set the implicit flag for a builtin function. */ + +static inline void +set_builtin_decl_implicit_p (enum built_in_function fncode, bool implicit_p) +{ + size_t uns_fncode = (size_t)fncode; + + gcc_checking_assert (BUILTIN_VALID_P (fncode) + && builtin_info.decl[uns_fncode] != NULL_TREE); + + builtin_info.implicit_p[uns_fncode] = implicit_p; +} + +/* Return whether the standard builtin function can be used as an explicit + function. */ + +static inline bool +builtin_decl_explicit_p (enum built_in_function fncode) +{ + gcc_checking_assert (BUILTIN_VALID_P (fncode)); + return (builtin_info.decl[(size_t)fncode] != NULL_TREE); +} + +/* Return whether the standard builtin function can be used implicitly. */ + +static inline bool +builtin_decl_implicit_p (enum built_in_function fncode) +{ + size_t uns_fncode = (size_t)fncode; + + gcc_checking_assert (BUILTIN_VALID_P (fncode)); + return (builtin_info.decl[uns_fncode] != NULL_TREE + && builtin_info.implicit_p[uns_fncode]); +} + #endif /* GCC_TREE_H */ |