This PR proposed to add a few benchmarks using superword/autovectorization
------------- Commit messages: - Add benchmarks Changes: https://git.openjdk.org/jdk/pull/21988/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21988&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8343844 Stats: 36 lines in 1 file changed: 36 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/21988.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21988/head:pull/21988 PR: https://git.openjdk.org/jdk/pull/21988