[PATCH 2/2] Optimize 64-bit mpn_add_N and mpn_sub_N for sparc T3 and later.

[David Miller]

From: David Miller <davem at davemloft.net>
Date: Thu, 07 Mar 2013 01:06:55 -0500 (EST)

> I'll test your routines with the obvious fix in a moment.

With the one-liner fix both of your new implementations work.

submul_1 is now much better, about 5.8 cycles per limb on T4.