[Cbe-oss-dev] [patch 3/3] cell: prevent alignment interrupt on local store

[Gabriel Paubert]

On Thu, Apr 12, 2007 at 04:38:10PM +1000, Benjamin Herrenschmidt wrote:
> On Thu, 2007-04-12 at 08:33 +0200, Olaf Hering wrote:
> > On Thu, Apr 12, Benjamin Herrenschmidt wrote:
> > 
> > > Gets altivec and stops working on POWER5 ? no deal :-)
> > 
> > If there is a significant performance gain (not only 9%) and if
> > -mcpu=$cell does not generate instructions that wont work on other
> > altivec capable cpus and if rpm gets a target ppcaltivec.rpm (or
> > similar), as separate binary tree can be done.
> 
> -mcpu=cell can possibly generate things that won't run on 970 and 74xx.
> There are some new altivec instructions among others...

Any pointer to a document describing the differences?

	Regards,
	Gabriel