[PPC] add dcbzl opcode for PPC970

[Alan Modra]

On Fri, Apr 30, 2004 at 03:25:02PM +1000, Ben Elliston wrote:
> +{ "dcbzl",   XCMPL(31,1014,1), XRT_MASK,POWER4,            { RA, RB } },

I don't particularly like the use of XCMPL here, which is supposed to be
"An X form comparison instruction".  I suppose you could change the name
of the XCMPL macro and fix the comment.  Perhaps XOPL "An X form 
instruction with the L bit specified".  OK with that change.

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre