RFR: 8295069: [PPC64] Performance regression after JDK-8290025 [v4]

Tue Oct 11 13:39:36 UTC 2022

On Mon, 10 Oct 2022 22:28:02 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> I have a proposal to mitigate the performance regression (see JBS issue) on PPC64 significantly. We get most of the performance back. Please review. Implemented like on aarch64, now. Also use 64 bit load for `uint64_t _nmethod_disarm_value` (not relevant for Little Endian).
>
> Martin Doerr has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Use 64 bit load for _nmethod_disarm_value. (Makes a difference on Big Endian\!)

Changes look good to me.

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Marked as reviewed by lucy (Reviewer).

PR: https://git.openjdk.org/jdk/pull/10632