In the 2.6.35 kernel I have a choice of:
The first option seems best but I'd like confirmation. I have no idea whether there is a specific -mcpu / -march flag for this processor. Are there any other tricks to optimise software for this processor.
I run Gentoo if that makes any difference.
UPDATE: I have found answer 2 from AMD themselves: http://www.amddevcentral.com/CPU/GNU/Pages/default.aspx