[jdk17u] RFR: 8316566: RISC-V: Zero extended narrow oop passed to Atomic::cmpxchg

Wed Oct 4 08:33:39 UTC 2023

Hi all,

This pull request contains a backport of commit [2d154fcd](https://github.com/openjdk/jdk/commit/2d154fcd0de0612f58abbc5027f409b9b2eb0dc2) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Robbin Ehn on 28 Sep 2023 and was reviewed by Ludovic Henry and Fei Yang.

Thanks!

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Commit messages:
 - Backport 2d154fcd0de0612f58abbc5027f409b9b2eb0dc2

Changes: https://git.openjdk.org/jdk17u/pull/381/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u&pr=381&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316566
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u/pull/381.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u.git pull/381/head:pull/381

PR: https://git.openjdk.org/jdk17u/pull/381