Variable Expansion Optimization

[Giovanni Bajo]

Mark Mitchell wrote:

> I'd hope that soon we'd be able to get rid of the RTL-based loop
> unroller, but I'm perfectly willing to believe that day to be a ways
> away...

Especially if you consider that we have *2* loop unrollers (that is, the old
one is still around and kicking). BTW, Zdenek, what is the status on this? I
thought we could remove the old loop unroller (and/or optimizer?) after the new
one was merged?

Giovanni Bajo