RFR: 8284960: Integration of JEP 426: Vector API (Fourth Incubator) [v3]

[Jatin Bhateja]

On Thu, 19 May 2022 15:33:49 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> Do you mean it's important to apply the transformation at the right node (pick the right node as the root) and it is hard to make a decision during GVN?
>
> Yes, that what I meant, but with recently added Node::Flag_is_predicated_using_blend it could be possible to move this transformation ahead into idealization routines of reverse/reverse bytes IR nodes.

Addressed this after internally discussing with Sandhya. Moved the transforms from final graph re-shaping back to vector intrinsic routines.

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PR: https://git.openjdk.java.net/jdk/pull/8425