auto vectorization in gcc

[Michael Matz]

Hi,

On Thu, 17 Jul 2003, Richard Henderson wrote:

> The tree level is *more* capable than the rtl level at representing
> vector types (and thus operations).  I think all we need is some small
> amount of info from the target about vector widths and memory blocking,
> and then the transformation should happen at the tree level.

I agree.  Autovectorization should be much easier on tree level.  The
required transformations are complicated enough as is, without having to
deal with RTL issues.


Ciao,
Michael.