RFR: 8339196: Optimize BufWriterImpl#writeU1/U2/Int/Long

Wed Aug 28 20:05:50 UTC 2024

On Wed, 28 Aug 2024 13:16:03 GMT, Shaojin Wen <swen at openjdk.org> wrote:

> A small optimization makes BufWriterImpl's writeU1/U2/Int/Long methods more C2-friendly and improves performance.

I made an off-list suggestion along this line some time before integration. IIRC it was a decent win back then, and with the merge store optimizations in place it might be even more impactful now.

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PR Comment: https://git.openjdk.org/jdk/pull/20748#issuecomment-2316019489