RFR: 8264104: Eliminate unnecessary vector mask conversion during VectorUnbox for floating point VectorMask [v2]

Thu Apr 8 10:10:28 UTC 2021

On Thu, 8 Apr 2021 03:41:40 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

> So does it look good for you if the VectorMaskCast is limited to the masking cast with the same element size?

Yes, I'm fine with focusing on no-op case for now. 
Moreover, both vector length and element size should match to reuse the very same bit representation of the mask.

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PR: https://git.openjdk.java.net/jdk/pull/3238