JDK-6525524 : Revive OptoScheduling on x86 platforms
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 7
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2007-02-15
  • Updated: 2010-04-02
  • Resolved: 2007-05-24
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 6 JDK 7 Other
6u4Fixed 7Fixed hs10Fixed
Related Reports
Relates :  
Description
When enabled on x86 platforms, OptoScheduling often crashes.  This bug is intended to encompass all C2 scheduling problems resulting in VM failure.

Additional scheduling cleanups may also be addressed.

Comments
SUGGESTED FIX PRT webrev for message cleanup: http://prt-web.sfbay.sun.com/net/prt-archiver.sfbay/data/archived_workspaces/main/c2_baseline/2007/20070420153449.rasbold.c2_baseline0/workspace/webrevs/webrev-2007.04.20/index.html
23-04-2007

SUGGESTED FIX PRT webrev for code deletion: http://prt-web.sfbay.sun.com/net/prt-archiver.sfbay/data/archived_workspaces/main/c2_baseline/2007/20070411070330.rasbold.c2_baseline0/workspace/webrevs/webrev-2007.04.11/index.html
13-04-2007

SUGGESTED FIX PRT webrev for crash fixes: http://prt-web.sfbay.sun.com/net/prt-archiver.sfbay/data/archived_workspaces/main/c2_baseline/2007/20070409150054.rasbold.c2_baseline0/workspace/webrevs/webrev-2007.04.09/index.html
10-04-2007

EVALUATION The are roughly four parts to this fix: elimination of crashes, deletion of dead code, refactoring of parameters, and (possibly) fixing of any missed dependecncies.
10-04-2007