[lilliput-jdk17u:lilliput] RFR: 8304331: [Lilliput/JDK17] Fix RTM locking

[Aleksey Shipilev]

On Thu, 16 Mar 2023 10:01:42 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> Some RTM locking tests are currently failing:
> 
> compiler/rtm/cli/TestUseRTMLockingOptionWithBiasedLocking.java
> compiler/rtm/locking/TestRTMRetryCount.java
> compiler/rtm/locking/TestRTMTotalCountIncrRate.java
> compiler/rtm/locking/TestUseRTMAfterLockInflation.java
> compiler/rtm/locking/TestUseRTMForInflatedLocks.java
> compiler/rtm/locking/TestUseRTMForStackLocks.java
> compiler/rtm/method_options/TestUseRTMLockElidingOption.java
> 
> Most are because there's a jmpb in UseRTMLocking parts that fails because of longer locking code with Lilliput. One test is failing because it checks a warning message when somebody tries +UseBiasedLocking together with RTM locking, but Lilliput forces biased locking to be off, so the warning never appears. I problem-listed that test.
> 
> Testing:
>  - [x] all tests listed above

Marked as reviewed by shade (Reviewer).

test/hotspot/jtreg/ProblemList.txt line 180:

> 178: gc/arguments/TestCompressedClassFlags.java 1234567 generic-all
> 179: 
> 180: # Dispabled because Lilliput forces -UseBiasedLocking

Unrelated, but typo: "Dispabled"

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PR: https://git.openjdk.org/lilliput-jdk17u/pull/12