Saving to 32 bits of GPRs in signal context

[Benjamin Herrenschmidt]

On Wed, 2007-05-30 at 21:48 +0900, Hiroyuki Machida wrote:
> 
> I think same framework as proposed at follwoing URLs,  works.
> http://penguinppc.org/dev/glibc/glibc-powerpc-cpu-addon.html
> http://sources.redhat.com/ml/libc-alpha/2006-01/msg00094.html

Yeah, it would make sense to define a new feature bit to trigger
automatic loading of optimized libs...

Steve, how hard do you think it would be to extend AT_HWCAP ? Like
adding an AT_HWCAP2 or something like that ?

Ben.