Fix problems with identities about &
Fix problems with identities about &

The ones function was generating more problems, that the
problems it was fixing. At this moment there is a know bug,
because we are not expanding the most significant bit, so
some cases can be missed.

8l/scc,k0gaMSX/scc,k0gaMSX/kcc,k0gaMSX/scc,8l/scc,8l/scc,k0gaMSX/kcc,k0gaMSX/scc