Re: Loop optimization bug with Ada front end on PPC (and probably Alpha)

[Corey Minyard <minyard at acm dot org>]

It just finished bootstrapping successfully.

-Corey

Corey Minyard wrote:

> Not all loops have loop->top set in this situation, because that's 
> only set in bottom entry loops, it seems.
>
> I've made some small changes.  Here's just the ones to unroll.c (I 
> didn't include the move of the macro from loop.c into loop.h).
>
> I'm also thinking that it would be good enough to let the loop run to 
> loop->cont, and not use loop->top at all.  It's bootstrapping right 
> now, so we'll see if this works.  I tried on a small testcase, and it 
> seemed to work.
>
> -Corey