JDK-7079673 : JSR 292: C1 should inline bytecoded method handle adapters
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs22
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2011-08-16
  • Updated: 2011-10-07
  • Resolved: 2011-09-30
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JDK 7 JDK 8 Other
7u2Fixed 8Fixed hs22Fixed
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Description
The current JSR 292 support in C1 always does an invoke for method handle invokes which results in a lot of C2I-I2C transfers.  This results in very poor performance.

Comments
EVALUATION See main CR
2011-09-14

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/a32de5085326
2011-09-08

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/a32de5085326
2011-09-01