ASM_INPUT
ASM_INPUT("0" (v), "m" (*addr)));
ASM_INPUT("S" (v), "b" (low), "c" (high)),
ASM_INPUT("S" (v), "b" (low), "c" (high)),
ASM_INPUT(in), clobbers)
__alternative_atomic64(f, f, ASM_OUTPUT(out), ASM_INPUT(in), clobbers)