A small optimization makes BufWriterImpl's writeU1/U2/Int/Long methods more C2-friendly and improves performance.
------------- Commit messages: - refactor - optimize BufWriterImpl#writeU1/U2/Int/Long Changes: https://git.openjdk.org/jdk/pull/20748/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20748&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8339196 Stats: 42 lines in 1 file changed: 32 ins; 3 del; 7 mod Patch: https://git.openjdk.org/jdk/pull/20748.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20748/head:pull/20748 PR: https://git.openjdk.org/jdk/pull/20748
