F00FC708
ICLASS:     CMPXCHG8B_LOCK
CATEGORY:   SEMAPHORE
EXTENSION:  BASE
IFORM:      CMPXCHG8B_LOCK_MEMq
ISA_SET:    PENTIUMREAL
ATTRIBUTES: HLE_ACQ_ABLE HLE_REL_ABLE LOCKED 
SHORT:      lock cmpxchg8b qword ptr [eax]