RFR: 8259773: Incorrect encoding of AVX-512 kmovq instruction

[Vladimir Ivanov]

On Thu, 14 Jan 2021 11:41:35 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> While working on a prototype for supporting opmask register allocation encountered this bug.
> 
> Encoding for following instruction[1] which spills the value of an opmask register into memory should have 0x91 as the opcode instead of 0x90.
> 
> KMOVQ Address , K1.
> 
> [1] https://www.felixcloutier.com/x86/kmovw:kmovb:kmovq:kmovd

Looks good.

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Marked as reviewed by vlivanov (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2078