openj9

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Adjust IProfiler locked entry assert

1

The TR_IProfiler::releaseAllEntries() function is used with DEBUG to check that all entries in the IProfiler _bcHashTable are unlocked at JVM exit. This function now compensates for a known race condition...

cjjdespres

Mark TR_J9VMServer virtual methods with override

2

The isIndexableDataAdrPresent() and isOffHeapAlocationEnabled() methods override the TR_J9VMBase implementations. They are now marked with override; a compilation error results without it with clang in the default configuration (with -Werror).

cjjdespres

Client Request Cached Methods List from JIT Server

6

Added an option that makes the client request a list of cached methods from the server on bootstrap, and set the count for those methods as scount to improve rampup...

luke-li-2003

Fix fieldAlignment check for AtomicLong on Z

4

"value" field for in AtomicLong is of type "long" and therefore should be aligned to 8-byte boundary. checkFieldAlignmentForAtomicLong was incorrectly checking that the offset of the field is a multiple...

matthewhall2

Implement initial RAM class persistence feature

1

This PR revives RAM class persistence work. It currently rebases/implements: https://github.ibm.com/runtimes/openj9-stratum/pull/7 and https://github.ibm.com/runtimes/openj9-stratum/pull/25. Current considerations/limitations: - No JIT support (i.e. `-Xint` required) - Incompatible with SCC (i.e. `-Xshareclasses:none` required) -...

ThanHenderson

WIP: Accelerate Unsafe CAS Intrinsics on Z

5

Adds support for the following recognized methods: ``` CompareAndExchangeObject //JDK11 CompareAndExchangeReference //JDK17,21 CompareAndExchangeInt //JDK11,17,21 CompareAndExchangeLong //JDK11,17,21 ``` The accelerated CAE code was built on top of the existing accelerated CAS...

IBMJimmyk

Rename Preload attribute to LoadableDescriptors

9

Fixes: https://github.com/eclipse-openj9/openj9/issues/19611 I tried to split commits as follows for easier reviewing: 1. Test changes 2. VM logic changes 3. VM renaming and formatting

theresa-m

Valhalla tests to use standard Java array convention

3

Addressing https://github.com/eclipse-openj9/openj9/pull/20317#pullrequestreview-2355506301

theresa-m

Fix ValueTypeArrayTestsJIT test failures

4

Once https://github.com/eclipse-openj9/openj9/pull/19911 is merged ValueTypeArrayTests can create null restricted arrays. There are a few test failures in the JIT variations. I suspect most of them are related to the change...

theresa-m

Valhalla tests should use migrated value classes

1

Jep 401 migrates existing ValueBased classes (such as java/lang/Integer) to be value classes. Right now these classes are compiled into `jdk/lib/valueclasses/java.base-valueclasses.jar` and can be used by patching them into the...

theresa-m