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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 24
Affects Version/s: 24
Component/s: hotspot
Labels:
- c1
- performance

Subcomponent:
compiler
Resolved In Build:
b17
CPU:

generic
OS:

generic

When C1 decide to inline a virtual method based on CHA, it will skip type profile if the method is a final method. And it will prevent C2 to optimize it.

causes

JDK-8358951 C2: IntVector.fromMemorySegment does not vectorize with byte[] (performance regression)

Open

relates to

JDK-8341039 compiler/cha/TypeProfileFinalMethod.java fails with assertEquals expected: 0 but was: 2

Resolved

JDK-8326369 Add test to verify bimorphic inlining happens after morphism changes

Resolved

links to

Commit(master) openjdk/jdk/e1c4d303

Review(master) openjdk/jdk/20786

Assignee:: Kuai Wei
Reporter:: Kuai Wei
Votes:: 0 Vote for this issue
Watchers:: 3 Start watching this issue

Created:: 2024-08-30 00:15
Updated:: 2025-06-10 05:58
Resolved:: 2024-09-24 04:10

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