JDK-6667615 : Escape Analysis: extend MDO to cache arguments escape state
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs12
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: solaris_10
  • CPU: sparc
  • Submitted: 2008-02-26
  • Updated: 2011-04-20
  • Resolved: 2011-04-20
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JDK 6 Other
6u14Fixed hs12Fixed
Description
EA uses byte code escape analyzer to determine the escape state of an allocation passed
as an argument to a not inlined call. bcEscapeAnalyzer looks recursively on bytecode
of the method and methods this method calls. It is expensive to do in each call site.
Use MDO to cache arguments escape state.
Comments
EVALUATION See description.
12-03-2008