[jdk17u-dev] Integrated: 8277503: compiler/onSpinWait/TestOnSpinWaitAArch64DefaultFlags.java failed with "OnSpinWaitInst with the expected value 'isb' not found."

[Evgeny Astigeevich]

On Wed, 19 Jan 2022 16:00:18 GMT, Evgeny Astigeevich <duke at openjdk.java.net> wrote:

> The backport of JDK-8277137 "Set OnSpinWaitInst/OnSpinWaitInstCount defaults to "isb"/1 for Arm Neoverse N1" adds a new test: TestOnSpinWaitAArch64DefaultFlags.java. The test has a bug. It fails on release builds.
> This is a backport of the test fix. The original patch removed the test from test/hotspot/jtreg/ProblemList.txt. This change causes a conflict in ProblemList.txt because the test does not exist and is not excluded in jdk17.
> The change to the test applies cleanly.
> 
> As the backport does not change anything in JVM sources, it can be tested with TestOnSpinWaitAArch64DefaultFlags.java on fastdebug and release builds.
> 
> Tested: release and fastdebug builds
> 
> - `make test TEST=hotspot/jtreg/compiler/onSpinWait/TestOnSpinWaitAArch64DefaultFlags.java`: Passed

This pull request has now been integrated.

Changeset: 43ddf822
Author:    Evgeny Astigeevich <eastig at amazon.com>
Committer: Paul Hohensee <phh at openjdk.org>
URL:       https://git.openjdk.java.net/jdk17u-dev/commit/43ddf82214c1b0721fb5afc35aec6f2f6b800644
Stats:     2 lines in 1 file changed: 1 ins; 0 del; 1 mod

8277503: compiler/onSpinWait/TestOnSpinWaitAArch64DefaultFlags.java failed with "OnSpinWaitInst with the expected value 'isb' not found."

Reviewed-by: phh
Backport-of: 7b2d823e842e6a66dbe46b048da44ca9e5485c75

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PR: https://git.openjdk.java.net/jdk17u-dev/pull/107