JDK-6890673 : Eliminate allocations immediately after EA
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs17
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: solaris
  • CPU: x86
  • Submitted: 2009-10-12
  • Updated: 2012-03-22
  • Resolved: 2012-01-20
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JDK 7 JDK 8 Other
7u4Fixed 8Fixed hs23Fixed
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Description
Currently non-escaping allocations are eliminated during macro nodes expansion after all ideal optimizations.
It may prevent to do more aggressive (loop and split-if) optimizations. Eliminate allocations and related locks
immediately after escape analysis. Also move EA after first IGVN optimization which cleanup ideal graph.

Comments
EVALUATION http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/1bd45abaa507
22-03-2012

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-emb/hotspot/rev/1bd45abaa507
15-12-2011

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/1bd45abaa507
16-11-2011