[vectorIntrinsics] RFR: RFC: Vector API masking support proposal for Arm SVE

[Jie Fu]

On Thu, 4 Mar 2021 02:00:37 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

>> Documents:
>> http://cr.openjdk.java.net/~xgong/rfr/mask/Vector%20API%20masking%20support%20proposal%20for%20Arm%20SVE.pdf
>> http://cr.openjdk.java.net/~xgong/rfr/mask/VectorAPI%20masking%20support.pdf
>
> Hi there, could anyone please take a look at this PR and the proposals? Any feedback is welcome! Thanks a lot!

Good job! 
Thanks @XiaohongGong  and @nsjian .

Just wondering: is there any performance number before and after this enhancement?

There seems some code duplication between inline_vector_nary_operation and inline_vector_nary_mask_operation.
Is it possible to support mask operations in inline_vector_nary_operation(int n)?

Thanks.

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PR: https://git.openjdk.java.net/panama-vector/pull/40