__futex_atomic_op1 57 arch/ia64/include/asm/futex.h __futex_atomic_op1("xchg4 %1=[%2],%3", ret, oldval, uaddr, __futex_atomic_op1 54 arch/x86/include/asm/futex.h __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg); __futex_atomic_op1 57 arch/x86/include/asm/futex.h __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval,