[PATCH] fix gas/gcc incompatibility regression on sparc (PR gas/13441)

[David Miller]

From: Mikael Pettersson <mikpe@it.uu.se>
Date: Sun, 27 Nov 2011 21:25:15 +0100

> Before that change gas did not require any explicit option to
> accept instructions for later architecture revisions; it would
> however record the minimum architecture revision needed by the
> translation unit.

Let's not go back in time.

We've made changes to gcc such that it, f.e., adds -Av8 when it
wants to use hw multiply and divide instructions.