Backport of [JDK-8310459](https://bugs.openjdk.java.net/browse/JDK-8310459). Applies cleanly.
Thanks, Tobias ------------- Commit messages: - 8310459: [BACKOUT] 8304450: [vectorapi] Refactor VectorShuffle implementation Changes: https://git.openjdk.org/jdk21/pull/68/files Webrev: https://webrevs.openjdk.org/?repo=jdk21&pr=68&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8310459 Stats: 3895 lines in 64 files changed: 1169 ins; 1819 del; 907 mod Patch: https://git.openjdk.org/jdk21/pull/68.diff Fetch: git fetch https://git.openjdk.org/jdk21.git pull/68/head:pull/68 PR: https://git.openjdk.org/jdk21/pull/68
