Re: -ftree-vectorize can't vectorize plus?

[Daniel Berlin]

On 9/11/06, Dorit Nuzman <[EMAIL PROTECTED]> wrote:

>    A silly little testcase which the vectorizer doesn't vectorize:
>
....
> autovecttest.c:11: note: not vectorized: relevant stmt not
> supported: D.1861_9 = (signed char) D.1860_8

Can these type casts (from uchar to schar and back) be cleaned away by some
pass before vectorization,

Uh, what do you mean "cleaned away"?
You can't just legally ignore them, they are changing the overflow behavior.