RFR: 8340189: 8339531 incorrect for Big Endian platforms

[Martin Doerr]

On Tue, 15 Oct 2024 07:57:46 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> Are you able to run the `SegmentBulkMismatch` benchmark on the various BE platforms?

Thanks for the hint. I've run it with the old implementation before [JDK-8339531](https://bugs.openjdk.org/browse/JDK-8339531) but with the new micro benchmark and the current implementation with your fix on Power8 Big Endian. Some benchmarks are faster now, some a little slower, but I couldn't see any significant regression. So, I guess we can live with it.

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PR Comment: https://git.openjdk.org/jdk/pull/21258#issuecomment-2413932956