Peter Maydell writes:
> Commit c10b97092 changed some field names in rldicr and rldimi patterns
> but forgot to update the constraints to match the change. Since the
> field (previously 'rb' and now 'sh') is an immediate rather than a
> register number, the correct fix
Commit c10b97092 changed some field names in rldicr and rldimi patterns
but forgot to update the constraints to match the change. Since the
field (previously 'rb' and now 'sh') is an immediate rather than a
register number, the correct fix is to just delete the constraint
since we don't need to