loop hoisting fails

[Paulo J. Matos]

On 10/02/11 16:04, Ian Lance Taylor wrote:
> Bother.  I've encountered that problem before and I think I used a
> sledgehammer (a local patch).  It's definitely a bug that gcse doesn't
> consider costs.
>

I think I might try also patching my local gcc. I guess the trick is to 
check for the cost of the alternative before making the replacement in 
gcse, right? Is it possible to have an idea of how you did it?