------- Additional Comments From dberlin at dberlin dot org 2004-11-19 03:42
-------
Subject: Re: Inefficient code generated by
-ftree-vectorize on Alpha
On Fri, 2004-11-19 at 00:04 +0000, pinskia at gcc dot gnu dot org wrote:
> ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-19
> 00:04 -------
> Confirmed.
> One issue is that we don't fold stuff:
> D.1061 = 8 - 1;
> D.1065 = 2 - 1;
We correctly rely on CCP to clean it up :)
Having every single pass fold every statement it generates isn't
necessarily a win when CCP will do it for you :)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18557
