[vectorIntrinsics+mask] RFR: 8271273: Java API and IR changes for masked compare operation

[Jatin Bhateja]

On Mon, 26 Jul 2021 09:33:38 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> - Re-organized the Java API implementation to use one common entry point of masked/non-masked vector compare operation.
> - Intrinsic side changes to absorb newly passed mask if target support predicated instructions else handled appropriately by performing vector AND b/w comparison result and explicit mask.

Hi Reviewers, comments have been addressed. Thanks

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PR: https://git.openjdk.java.net/panama-vector/pull/103