JDK-7160161 : Missed safepoint in non-Counted loop
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 8-pool
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2012-04-09
  • Updated: 2013-09-04
  • Resolved: 2012-09-05
The Version table provides details related to the release that this issue/RFE will be addressed.

Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

To download the current JDK release, click here.
JDK 7 JDK 8 Other
7u40Fixed 8Fixed hs24Fixed
Related Reports
Relates :  
JDK-7147733 - The 'for each' loop breaks thread scheduling in mixed mode for 1.5, 1.6 and 1.7
Description
Missing safepoint in non-Counted loop.
Comments
EVALUATION Do not remove safepoints during peeling optimization. Improve the code in IdealLoopTree::counted_loop() to eliminate all others safepoints in a loop (but not in this loop's nested loops) which have a safepoint on dominating path.
29-08-2012
EVALUATION http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/0acd345fd810
29-08-2012
EVALUATION Loop peeling optimization removes needed safepoints from peeled iteration of inner loop during OSR compilation of VirtualMachineLiveLock$InterleavedTask::run() method.
09-04-2012