Changing CFLAGS for i386 packages on x86_64 (benchmarks included)

[dragoran]

Dave Jones wrote:
> On Sun, Jul 16, 2006 at 02:10:22PM +0200, dragoran wrote:
>  > I did same benchmarks using flops.c (attached) the results are attached 
>  > to it seems that
>  > -march=k8 -mtune=k8 -m32 is the fastes but not by much ...
>  > the last one (-m64) is weird (much slower!!) no -OX was used.
>
> If you were running a recent kernel from rawhide, you may want
> to re-run these tests, as there was an fpu optimisation in there
> that may have been responsible for spurious sigfpe's that some
> apps have been getting. If that patch was to blame, then it's
> possible there may have been other side-effects.
>
>   
I have run this benchmarks on my FC5 box I can my rawhide box later if 
this helps fixing this bug...
> Todays rawhide has it reverted.
>
> 		Dave
>
>