JDK-6743188 : incomplete fix for 6700047 C2 failed in idom_no_update
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs14
  • Priority: P2
  • Status: Closed
  • Resolution: Fixed
  • OS: solaris_9
  • CPU: sparc
  • Submitted: 2008-08-29
  • Updated: 2011-03-07
  • Resolved: 2011-03-07
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JDK 6 JDK 7 Other
6u13-revFixed 7Fixed hs11.3Fixed
Related Reports
Relates :  
JDK-2166521 - C2 failed in idom_no_update
Relates :  
JDK-6700047 - C2 failed in idom_no_update
Description
The fix for 6700047 only checks the direct control when it should be checking the control of the containing loop.
Comments
EVALUATION http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/ee8f06bfb27c
03-10-2008
EVALUATION The suggested fix is correct.
29-08-2008
SUGGESTED FIX We should stop further optimization on the loop tree if we perform partial peeling. If there were more general support for recomputing the node placement we could use that but since that doesn't exist we'll just allow the next pass to do it.
29-08-2008