RFR: 8266054: VectorAPI rotate operation optimization [v10]

[Jatin Bhateja]

On Tue, 27 Jul 2021 02:52:13 GMT, Eric Liu <eliu at openjdk.org> wrote:

>> @sviswa7, SLP flow will either have a constant 8bit shift value or a variable shift present in vector, this also include broadcasted non-constant shift value or a shift value beyond 8 bit.
>
> It would be better comment here, since the correctness relay on some others.

@theRealELiu , @sviswa7 , comment already exist in code,  I guess I mentioned incorrectly earlier on this thread, rectified my comments.

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PR: https://git.openjdk.java.net/jdk/pull/3720