git: openjdk/jdk: 8290322: Optimize Vector.rearrange over byte vectors for AVX512BW targets.

[Jatin Bhateja]

Changeset: 38a81913
Author:    Jatin Bhateja <jbhateja at openjdk.org>
Date:      2022-08-22 23:59:58 +0000
URL:       https://git.openjdk.org/jdk/commit/38a81913d33c856d64b7c26f934026815a482e43

8290322: Optimize Vector.rearrange over byte vectors for AVX512BW targets.

Reviewed-by: kvn, sviswanathan

! src/hotspot/cpu/x86/assembler_x86.cpp
! src/hotspot/cpu/x86/assembler_x86.hpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.cpp
! src/hotspot/cpu/x86/c2_MacroAssembler_x86.hpp
! src/hotspot/cpu/x86/x86.ad
+ test/micro/org/openjdk/bench/jdk/incubator/vector/RearrangeBytesBenchmark.java