RFR: 8342382: Implement JEP 522: G1 GC: Improve Throughput by Reducing Synchronization [v55]

[Andrew Haley]

On Fri, 12 Sep 2025 08:27:01 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Other idea: set count = noreg to prevent usage after it is used under the other name.

That wouldn't have solved the aliasing problem, because count and end were being used as aliases for a register in _the same instruction_!

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PR Review Comment: https://git.openjdk.org/jdk/pull/23739#discussion_r2357941045