[PATCH 3/8] sparc: Rewrite everything

[David Miller]

From: Richard Henderson <rth@twiddle.net>
Date: Wed, 29 Oct 2014 13:44:37 -0700

> The one other microarchitecture question I had was wrt call/ret paring.
> 
> I was assuming that, for predition purposes, "ret" vs "jmp" must be based on
> the register used -- %i7 or %o7.  Thus my call ... jmp %o7+const hopefully
> keeps any call/return prediction stack in sync?

Yes, that should ensure a return address stack prediction hit.