[jdk11u-dev] RFR: 8279668: x86: AVX2 versions of vpxor should be asserted

[Goetz Lindenmaier]

On Thu, 10 Mar 2022 11:47:42 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to prevent SIGILLs on incompatible hardware.
> 
> Additional testing:
>  - [x] Linux x86_64 fastdebug with -XX:UseAVX=1

LGTM, only copyright resolved. (a candidate for /clean)

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Marked as reviewed by goetz (Reviewer).

PR: https://git.openjdk.java.net/jdk11u-dev/pull/872