RFR: 8279668: x86: AVX2 versions of vpxor should be asserted [v2]

[Aleksey Shipilev]

On Mon, 10 Jan 2022 12:01:17 GMT, Quan Anh Mai <duke at openjdk.java.net> wrote:

> What I mean is an assert similar to:
> https://github.com/openjdk/jdk/blob/e52bdf0a10d05aee93783d8d4e3a3b349cf4c174/src/hotspot/cpu/x86/assembler_x86.cpp#L2032

Ah, I see! Added in new commit.

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

PR: https://git.openjdk.java.net/jdk/pull/7005