v_2 := v.Args[2]
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (AtomicCompareAndSwap32 ptr old new_ mem)
	// result: (CMPXCHGLlock ptr old new_ mem)
	for {
		ptr := v_0
		old := v_1
		new_ := v_2
		mem := v_3
		v.reset(OpAMD64CMPXCHGLlock)
		v.AddArg4(ptr, old, new_, mem)
		return true
	}
}
func rewriteValueAMD64_OpAtomicCompareAndSwap64(v *Value) bool {