[PATCH] sim: bfin: update AV and AC ASTAT bits with acc negation

[Mike Frysinger]

On Tue, Mar 22, 2011 at 10:13 PM, Mike Frysinger wrote:
> The Acc=-Acc insn can overflow or carry with edge values, so make sure
> we update the ASTAT bits accordingly to match the hardware.  Also fix
> a thinko where we always updated AC0 even when working with A1 regs.

committed
-mike