[jdk21u-dev] Integrated: 8341146: RISC-V: Unnecessary fences used for load-acquire in template interpreter

[Gui Cao]

On Fri, 11 Oct 2024 00:47:51 GMT, Gui Cao <gcao at openjdk.org> wrote:

> Hi, The same issue also exists in the jdk21u. I would like to backport 8341146 to jdk21u-dev. becasue jdk21u-dev not have [JDK-8301997](https://bugs.openjdk.org/browse/JDK-8301997), so this backport is not clean. This is a risc-v specific change, risk is low. 
> 
> ### Testing on SOPHON SG2042 (release) 
> - [x] JCstress
> - [x] Run tier1 tests
> - [x] ~5% improvement on SPECJbb2005 score (-Xint -XX:+UseParallelGC)

This pull request has now been integrated.

Changeset: f9070df1
Author:    Gui Cao <gcao at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/f9070df111dc36fa7b48b53fb9f6841239fdf3ae
Stats:     7 lines in 2 files changed: 0 ins; 7 del; 0 mod

8341146: RISC-V: Unnecessary fences used for load-acquire in template interpreter

Reviewed-by: fjiang, fyang
Backport-of: a4ca6267e17815153f8fa119db19b97b1da2bd84

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PR: https://git.openjdk.org/jdk21u-dev/pull/1044