PowerPC 440 mbar and tlbwe instructions

[Alan Modra]

On Tue, Dec 09, 2003 at 06:59:34PM -0800, Zack Weinberg wrote:
>         * ppc-opc.c (MO): Make optional.
>         (RAO, RSO, SHO): New optional forms of RA, RS, SH operands.
>         (tlbwe): Accept for both PPC403 and BOOKE.  Make all operands optional.

Looks OK to me, except that the comment in tc-ppc.c saying "There is
never more than one optional operand" needs updating.  I think you
should mention that in the case of more than one optional operand they
are either all present or all absent.

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre