On Wed, Jul 25, 2007 at 10:18:42AM -0400, Paul Koning wrote:

> But that way of using S7 isn't ABI conformant.

The kernel doesn't have to be ABI conformant.

>  Stephen> I think it's just '-ffixed-23'.
> 
> Not in the stock GCC...

http://gcc.gnu.org/onlinedocs/gcc-4.2.1/gcc/Code-Gen-Options.html#Code-Gen-Options

Andrew