16 #define atomic_read(v)		((v)->counter)  argument
17 #define atomic_set(v,i)		(((v)->counter) = (i))  argument
22 static __inline__ int atomic_add_return(int a, atomic_t *v)  in atomic_add_return()  argument
28 	add	%0,%2,%0\n\  in atomic_add_return()
31 	: "=&r" (t), "=m" (*v)  in atomic_add_return()
32 	: "r" (a), "r" (v), "m" (*v)  in atomic_add_return()
38 static __inline__ int atomic_sub_return(int a, atomic_t *v)  in atomic_sub_return()  argument
44 	subf	%0,%2,%0\n\  in atomic_sub_return()
47 	: "=&r" (t), "=m" (*v)  in atomic_sub_return()
48 	: "r" (a), "r" (v), "m" (*v)  in atomic_sub_return()
54 static __inline__ int atomic_inc_return(atomic_t *v)  in atomic_inc_return()  argument
59 1:	lwarx	%0,0,%2\n\  in atomic_inc_return()
61 	stwcx.	%0,0,%2\n\  in atomic_inc_return()
63 	: "=&r" (t), "=m" (*v)  in atomic_inc_return()
64 	: "r" (v), "m" (*v)  in atomic_inc_return()
70 static __inline__ int atomic_dec_return(atomic_t *v)  in atomic_dec_return()  argument
75 1:	lwarx	%0,0,%2\n\  in atomic_dec_return()
77 	stwcx.	%0,0,%2\n\  in atomic_dec_return()
79 	: "=&r" (t), "=m" (*v)  in atomic_dec_return()
80 	: "r" (v), "m" (*v)  in atomic_dec_return()
86 #define atomic_add(a, v)		((void) atomic_add_return((a), (v)))  argument
87 #define atomic_sub(a, v)		((void) atomic_sub_return((a), (v)))  argument
88 #define atomic_sub_and_test(a, v)	(atomic_sub_return((a), (v)) == 0)  argument
89 #define atomic_inc(v)			((void) atomic_inc_return((v)))  argument
90 #define atomic_dec(v)			((void) atomic_dec_return((v)))  argument
91 #define atomic_dec_and_test(v)		(atomic_dec_return((v)) == 0)  argument