[m-dev.] 4 tag bits

[Julien Fischer]

On Wed, 6 Jul 2016, Zoltan Somogyi wrote:

> On Wed, 6 Jul 2016 10:58:45 +1000 (AEST), Julien Fischer <jfischer at opturion.com> wrote:
>
>> Sure, although the use of the extra tag bit should be optional to
>> begin with.
>
> Great. Another grade component :-(

Not in a significant sense, since it only affects the value of
MR_GRADE_VAR and the way we generate that value already handles varying
numbers of tag bits.

Julien.