RFR: 8271589: fatal error with variable shift count integer rotate operation.

[Jatin Bhateja]

On Mon, 2 Aug 2021 16:24:20 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Problem seen on targets which do not support variable vector shifts, in such a case vector rotation node inferred by auto-vectorizer are not disintegrable into LeftShift/RightShift and Or operations.
>
> I assume `TestLongVectRotate.java` should be also updated.
> 
> And you need add cases for Long type vector shifts if they can be generated.

Hi @vnkozlov, I have responded to your individual comments, please let me know if there are more comments.

-------------

PR: https://git.openjdk.java.net/jdk/pull/4956