JDK-6345033 : X64: enable load-widen code generation patterns
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 6
  • Priority: P4
  • Status: Closed
  • Resolution: Duplicate
  • OS: generic
  • CPU: x86
  • Submitted: 2005-11-02
  • Updated: 2013-11-01
  • Resolved: 2009-04-02
Related Reports
Duplicate :  
JDK-6797305 - Add LoadUB and LoadUI opcode class
Description
The load-widen patterns should be enabled for x64 platforms.  There was no noticable
improvement on jbb2k with them enabled, but there might be on other benchmarks.
Would be good code gen hygiene as well.