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  1. JDK
  2. JDK-6978249

spill between cpu and fpu registers when those moves are fast

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    Details

    • Type: Enhancement
    • Status: Closed
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: hs19
    • Fix Version/s: hs19
    • Component/s: hotspot
    • Labels:
      None
    • Subcomponent:
    • Resolved In Build:
      b06
    • CPU:
      x86
    • OS:
      solaris_9
    • Verification:
      Not verified

      Backports

        Description

        On some architectures moves between CPU and FPU registers are fast so the can be used for spilling instead of the stack. We should add some support for this and look into enabling it by default for chips where it's fast.

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                Assignee:
                never Tom Rodriguez
                Reporter:
                never Tom Rodriguez
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