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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 26
Affects Version/s: 26
Component/s: hotspot
Labels:
- c2
- c2-loopopts

Subcomponent:
compiler
Resolved In Build:
b20

Currently ReassociateInvariants is only enabled for int counted loops. I noticed, enabling it for long counted loops helps RCE. It also seems like something that would help any loop.

duplicates

JDK-8326001 Reassociate binary operators for LongCountedLoops

Closed

relates to

JDK-8360204 C2 SuperWord: missing RCE with MemorySegment.getAtIndex

Open

JDK-8365982 C2 SuperWord: missing RCE / strange Multiversioning with MemorySegment.set

Open

links to

Commit(master) openjdk/jdk/ff6a0170

Review(master) openjdk/jdk/27666

Assignee:: Roland Westrelin

Reporter:: Roland Westrelin

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: 2025-10-07 00:29

Updated:: 2025-10-20 17:03

Resolved:: 2025-10-16 00:41

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