[Bug tree-optimization/18557] Inefficient code generated by -ftree-vectorize on Alpha

[dberlin at dberlin dot org]

------- 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 :)



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18557