[PATCH][libgcc-math] Vectorized intrinsics for x86_64

Michael Matz matz@suse.de
Fri Apr 7 15:37:00 GMT 2006


Hi,

On Fri, 7 Apr 2006, H. J. Lu wrote:

> On Fri, Apr 07, 2006 at 03:56:02PM +0200, Richard Guenther wrote:
> > On Fri, 7 Apr 2006, H. J. Lu wrote:
> > 
> > > The code is specific to Opteron. Shouldn't it be neutral to Opteron
> > > and Nocona?
> > 
> > Can you elaborate?
> > 
> 
> My first quick glance shows that at least there is an issue of choices
> of movlpd vs. movsd and movsd vs. movapd, which are very different
> bewteen Opteron and Nocona.

Ah yes, that difference.  We probably can change this if the performance 
hit is not too high.


Ciao,
Michael.



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