auto vectorization in gcc

[Daniel Berlin]

On Thursday, July 17, 2003, at 3:55 PM, Steven Bosscher wrote:

> Op do 17-07-2003, om 21:42 schreef law@redhat.com:
>> In message <1058450952.3307.60.camel@frodo.toronto.redhat.com>, Diego 
>> Novillo w
>> rites:
>>> I don't think there's much risk in duplicating effort at the moment.
>>> I'm not aware of anybody working on vectorization today.
>> Agreed.  Hell, we really don't have anyone even working on the loop
>> optimizer for trees yet.  Given that we're going to need an unroller
>> and basic loop opts, that might be a great place to start.
>
> Huh? Aldy Hernandez sort-of announced he was going to work on an
> autovectorization pass following the Larsen paper
> (http://gcc.gnu.org/ml/gcc/2003-06/msg00175.html,
> http://citeseer.nj.nec.com/larsen00exploiting.html, etc.).
>
> And dberlin had his loop normalization pass, but this work was put on
> hold pending the IV work Sebastian Pop was (is?) doing (Pop how's that
> coming? ;-).


I've also been working on various other loop optimizations (strength 
reduction) now that PRE and points-to work.

>