[PATCH] Faster x^(2^m) for mpexp using __sqr

[Ryan S. Arnold]

On Wed, Feb 13, 2013 at 2:19 AM, Siddhesh Poyarekar <siddhesh@redhat.com> wrote:
> Ryan, are the ppc bits OK?

In principle this looks fine but I'd like to see some comments
regarding what is happening in the while loops.

I'm not fond of the redundant code but that's how mpa.c is done at the
moment for powerpc.  Perhaps we can merge in the future.
Ryan