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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: repo-valhalla
Affects Version/s: repo-valhalla
Component/s: hotspot
Labels:
- lw401
- lw401-ea2
- lworld

Subcomponent:
runtime

Initial support includes:

(1) Removing old external null marker support
(2) Field layout computation allowing atomic and nullable flattening
(3) Interpreter getfield/putfield for new flat fields on x64 and aarch64

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Heap flattening for JEP 401.pdf
14 kB
2024-10-23 08:20

blocks

JDK-8341760 Revisit/redesign Unsafe accesses to flat fields

Open

JDK-8341761 JNI accesses to flat fields

Open

JDK-8341762 Redesign flat arrays to support new flat layouts

Open

JDK-8341764 Interpreter aaload/aastore for new flat arrays on x64 and aarch64

Open

JDK-8341768 Revisit/redesign Unsafe accesses to new flat arrays

Open

JDK-8341769 JNI accesses to new flat arrays

Open

JDK-8341770 Revisit VM options controlling flattening

Open

JDK-8341771 Heap dump recognizing new flat fields formats

Open

JDK-8341767 [lworld] JIT support for nullable, atomic, flat arrays

Open

JDK-8341759 [lworld] JIT support for nullable, atomic, flat fields

In Progress

JDK-8341758 [lworld] C1 getfield/putfield for new flat fields on x64 and aarch64

Closed

JDK-8341765 [lworld] C1 aaload/aastore for new flat arrays on x64 and aarch64

Closed

relates to

JDK-8317278 JVM implementation of value classes and objects

In Progress

JDK-8346702 [lworld] ShouldNotReachHere in FieldLayout::remove_null_marker()

Open

links to

Commit(lworld) openjdk/valhalla/d420fbdf

Review(lworld) openjdk/valhalla/1275

(7 blocks, 2 relates to, 2 links to)

Assignee:: Frederic Parain

Reporter:: Lois Foltan

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Created:: 2024-10-08 09:57

Updated:: 1 week ago 00:25

Resolved:: 2024-10-30 11:21

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