On Friday 20 February 2009 20:37:50 Cactus wrote:
> On Feb 20, 8:18 pm, ja...@njkfrudils.plus.com wrote:
> > On Friday 20 February 2009 16:42:19 Jason Martin wrote:
> > > > On Friday 20 February 2009 14:12:19 ja...@njkfrudils.plus.com wrote:
> > > >
> > > > What happened to core-2 mul_basecase and sqr_basecase ? , no-wonder
> > > > core-2 benchmarks are crap
> > >
> > > There aren't any :-)  I was just using Gaudry's code for those
> > > routines.
> >
> > When you said the addmul is nearly optimal , I just assumed that the
> > basecase was as well..
> >
> > > Should be able to use your amd64 code for those even on core2.  The
> > > only big difference would be in inc/dec instructions which we can
> > > easily replace with "add" or even "lea" depending on if we need to
> > > preserve the carry bit for the loop.
> >
> > If that is the main/only change then I'll do it tomorrow and merge into
> > trunk , I dont want to spend much time on it now , I want to get on with
> > the new division code (get the low hanging fruit first)
> >
> > > I've got a little time next week, so I'll look at merging your code to
> > > core-2 then (unless you do it first).
> > >
> > > --jason
>
> Will I be able to easily see these changes so I can mirror them for
> Windows?
>
> Can I assume that a compare between the amd64 and core2 versions after
> you do this will tell me what I need to do on Windows?
>
>     Brian
>

Yes and Yes , should be just inc/dec to add/sub/lea etc

> 


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