On Thu, May 28, 2015 at 5:51 PM, Yuri Rumyantsev wrote:
> Richard,
>
> First of all, I don't think that it is possible to write out test for
> outer-loop vectorization with zero-step reference because of possible
> loop-carried dependencies and run-time aliasing is not supported for
> outer-loop.
Richard,
First of all, I don't think that it is possible to write out test for
outer-loop vectorization with zero-step reference because of possible
loop-carried dependencies and run-time aliasing is not supported for
outer-loop. If there are no such dependencies pre or pdse does
hoisting (sinking
On Thu, May 28, 2015 at 1:00 PM, Yuri Rumyantsev wrote:
> Hi All,
>
> Here is a simple patch which removes restriction on outer-loop
> vectorization - allow references in inner-loop with zero step. This
> case was found in one important benchmark.
>
> Bootstrap and regression testing did not show
