[lkml]   [2002]   [Sep]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 2.4/2.5] Athlon CFLAGS
On Sun, Sep 08, 2002 at 09:28:11PM +0200, Daniel Mehrmann wrote:
> Hi Alan,
> i add for the AMD Athlon family some optimize compilerflags.
> Gcc 3.1 and 3.2 support more specific Athlon instructions as 3.0 or 2.95x.
> This patch for 2.4.19, 2.4.20-pre5 and 2.5.33 set a new "-march" flag:
> Athlon TB/Duron += -march=athlon-tbird
> Athlon XP/Athlon4/Duron += -march=athlon-xp
> Athlon MP += -march=athlon-mp

I thought these were all just gcc aliases for the same options ?
It's been a while since I looked at the gcc option parser, so I've
forgotten exactly what happens, but at least you missed the
bogus athlon-4 option.

Are the gains between all these options really worth the added
complexity ?


| Dave Jones.
| SuSE Labs
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:28    [W:0.051 / U:0.588 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site