Well, I don't think it's valid to call that non-native, given that it has no other mode of operation. x86 hasn't been "native" for a long time either, since it'

Well, I don't think it's valid to call that non-native, given that it has no other mode of operation. x86 hasn't been "native" for a long time either, since it's microcoded at the very least (although not to the point of doing BT perhaps).