[jdk22u] Integrated: 8310513: [s390x] Intrinsify recursive ObjectMonitor locking

[Amit Kumar]

On Wed, 10 Apr 2024 04:07:28 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [47df1459](https://github.com/openjdk/jdk/commit/47df14590c003ccb1607ec0edfe999fcf2aebd86) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Amit Kumar on 10 Apr 2024 and was reviewed by Lutz Schmidt and Martin Doerr.
> 
> Thanks!
> 
> 
> Tested `{tier1} X {fastdebug}` with `-XX:-TieredCompilation` and do not see any new failure appearing. 
> 
> Benchmarking Result: 
> 
> 
> ./build/linux-s390x-server-release/jdk/bin/java -Xms4g -Xmx4g -jar dacapo-9.12-MR1-bach.jar h2 -s huge -t 1 -n 1
> 
> With Patch: 
> ===== DaCapo 9.12-MR1 h2 PASSED in 148008 msec =====
> ===== DaCapo 9.12-MR1 h2 PASSED in 152460 msec =====
> ===== DaCapo 9.12-MR1 h2 PASSED in 151682 msec =====
> ===== DaCapo 9.12-MR1 h2 PASSED in 146845 msec =====
> 
> 
> Without Patch: 
> ===== DaCapo 9.12-MR1 h2 PASSED in 192967 msec =====
> ===== DaCapo 9.12-MR1 h2 PASSED in 206936 msec =====
> ===== DaCapo 9.12-MR1 h2 PASSED in 191804 msec =====
> ===== DaCapo 9.12-MR1 h2 PASSED in 196735 msec =====

This pull request has now been integrated.

Changeset: 5eb11e5e
Author:    Amit Kumar <amitkumar at openjdk.org>
Committer: Lutz Schmidt <lucy at openjdk.org>
URL:       https://git.openjdk.org/jdk22u/commit/5eb11e5ee1fb813529af77803990cb62aa38e249
Stats:     79 lines in 1 file changed: 32 ins; 14 del; 33 mod

8310513: [s390x] Intrinsify recursive ObjectMonitor locking

Reviewed-by: lucy
Backport-of: 47df14590c003ccb1607ec0edfe999fcf2aebd86

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PR: https://git.openjdk.org/jdk22u/pull/134