return C_UAUTO32K_16
		}
		if l&7 == 0 {
			return C_UAUTO32K
		}
	}
	if l <= 65520 && (l&15) == 0 {
		return C_UAUTO64K
	}
	return C_LAUTO
}

func oregclass(l int64) int {
	return autoclass(l) - C_ZAUTO + C_ZOREG
}

/*
 * given an offset v and a class c (see above)
 * return the offset value to use in the instruction,
 * scaled if necessary
 */