20 #define ATOMIC_INIT(i)  { (i) }  argument
23 #define atomic_set(v, i)	(((v)->counter) = i)  argument
26 static inline int __atomic_##op##_return(int i, atomic_t *v)		\
38 		: "m" (v->counter), #asm_con (i)			\
60 #define IS_21BIT_CONST(i)						\  in ATOMIC_OP_RETURN()  argument
61 	(__builtin_constant_p(i) && ((i) >= -1048575) && ((i) <= 1048576))  in ATOMIC_OP_RETURN()
70 static inline int atomic_add_return(int i, atomic_t *v)  in ATOMIC_OP_RETURN()
72 	if (IS_21BIT_CONST(i))  in ATOMIC_OP_RETURN()
73 		return __atomic_sub_return(-i, v);  in ATOMIC_OP_RETURN()
75 	return __atomic_add_return(i, v);  in ATOMIC_OP_RETURN()
85 static inline int atomic_sub_return(int i, atomic_t *v)  in atomic_sub_return()  argument
87 	if (IS_21BIT_CONST(i))  in atomic_sub_return()
88 		return __atomic_sub_return(i, v);  in atomic_sub_return()
90 	return __atomic_add_return(-i, v);  in atomic_sub_return()
149 static inline int atomic_sub_if_positive(int i, atomic_t *v)  in atomic_sub_if_positive()  argument
163 		: "m"(v->counter), "ir"(i)  in atomic_sub_if_positive()
172 #define atomic_sub(i, v)	(void)atomic_sub_return(i, v)  argument
173 #define atomic_add(i, v)	(void)atomic_add_return(i, v)  argument
180 #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)  argument
183 #define atomic_add_negative(i, v) (atomic_add_return(i, v) < 0)  argument