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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: repo-valhalla
Affects Version/s: repo-valhalla
Component/s: hotspot
Labels:
- lw3
- lworld

Subcomponent:
runtime

UseBiasedLocking was made default during merge work, there are greater issues with mark word use: ~~JDK-8247298~~.

Ensure there is further testing with and without UseBiasedLocking, and set the default back to false once ~~JDK-8247298~~ is resolved.

blocks

JDK-8255045 [lworld] LoadNode::Value() use of markWord::prototype() may strip type bits

Resolved

JDK-8255046 [lworld] JIT should make use of array layout encoding in markWord

Resolved

relates to

JDK-8255396 [lworld] locking breaks oopDesc is_flatArray/is_nullfreeArray type checks

Resolved

JDK-8247298 [lworld] Review use of oopDesc & mark word for alternative inline type behavior

Closed

links to

Commit openjdk/valhalla/3a7c9fe6

Review openjdk/valhalla/234

(1 links to)

Assignee:: David Simms

Reporter:: David Simms

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Created:: 2020-06-09 23:20

Updated:: 2020-10-26 07:16

Resolved:: 2020-10-21 01:27

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