RFR: 8265816: Handle new VectorMaskCast node for x86

Fri Apr 23 01:47:26 UTC 2021

On Fri, 23 Apr 2021 01:15:37 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

> To eliminate unnecessary vector mask conversion during unboxing a
> VectorMaskCast node was added as part of JDK-8264104 for aarch64. This patch handles the x86 side of it.
> 
> Please review.
> 
> Best Regards,
> Sandhya

Is there a small program which can be used to verify the effect of this opt?
I just want to learn how this kind of opt works, not to require a jtreg test.
Thanks.

-------------

PR: https://git.openjdk.java.net/jdk/pull/3645