RFR: 8301769: Generational ZGC: Indirect access barriers are never elided

[Roberto Castañeda Lozano]

On Thu, 16 Feb 2023 14:29:08 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Unfortunately, we can't enable the test for PPC64, now. Parts of the optimization and the test don't work out of the box.

Thanks for trying out the tests @TheRealMDoerr. Would you mind sharing their output here? There are two types of test cases: performance tests (unnecessary barriers are elided) and correctness tests (barriers that might be needed are preserved). While the former might fail on different platforms due to limitations in the analysis, I would like to check that none of the latter fail.

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PR: https://git.openjdk.org/zgc/pull/13