201 #define atomic64_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new))  in ATOMIC_OPS()  argument
204 #define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new))  in ATOMIC_OPS()  argument
214  * Returns the old value of @v.  in ATOMIC_OPS()
218 	int c, new, old;  in ATOMIC_OPS()  local
221 	"1:	ldl_l	%[old],%[mem]\n"  in ATOMIC_OPS()
222 	"	cmpeq	%[old],%[u],%[c]\n"  in ATOMIC_OPS()
223 	"	addl	%[old],%[a],%[new]\n"  in ATOMIC_OPS()
231 	: [old] "=&r"(old), [new] "=&r"(new), [c] "=&r"(c)  in ATOMIC_OPS()
235 	return old;  in ATOMIC_OPS()
246  * Returns the old value of @v.
250 	s64 c, new, old;  in atomic64_fetch_add_unless()  local
253 	"1:	ldq_l	%[old],%[mem]\n"  in atomic64_fetch_add_unless()
254 	"	cmpeq	%[old],%[u],%[c]\n"  in atomic64_fetch_add_unless()
255 	"	addq	%[old],%[a],%[new]\n"  in atomic64_fetch_add_unless()
263 	: [old] "=&r"(old), [new] "=&r"(new), [c] "=&r"(c)  in atomic64_fetch_add_unless()
267 	return old;  in atomic64_fetch_add_unless()
272  * atomic64_dec_if_positive - decrement by 1 if old value positive
275  * The function returns the old value of *v minus 1, even if
280 	s64 old, tmp;  in atomic64_dec_if_positive()  local
283 	"1:	ldq_l	%[old],%[mem]\n"  in atomic64_dec_if_positive()
284 	"	subq	%[old],1,%[tmp]\n"  in atomic64_dec_if_positive()
285 	"	ble	%[old],2f\n"  in atomic64_dec_if_positive()
292 	: [old] "=&r"(old), [tmp] "=&r"(tmp)  in atomic64_dec_if_positive()
296 	return old - 1;  in atomic64_dec_if_positive()