Why are there only i686 and i586 Version of glibc and kernel?

[Balint Cristian]

On Monday 31 May 2004 09:39, Jakub Jelinek wrote:
> On Mon, May 31, 2004 at 09:22:04AM +0200, dragoran wrote:
> > Why not add a glibc and kernel which are optimized for pentium 4 in FC3 
> > ? This would increase the perfomance on newer PC but also works on older 
> > ones by still including the i686 and i586 versions.
> 
> Starting with FC3, .i386.rpm and .i686.rpm packages will be compiled
> with -march{3,6}86 -mtune=pentium4, so although they will run on
> i386 (resp. i686), they will be optimized for P4 (Athlons and newer AMD
> chips run P4 optimized code without noticeable performance hit).

Hi !

Is there difference betwwen -mtune=pentium4 and -mtune=athlon ?
Pentium4 sounds intel-ish centric but what about AMD ?.


cristian