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  1. JDK
  2. JDK-8181809

PPC64: Leverage mtfprd/mffprd on POWER8

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 9, 10
    • Fix Version/s: 10
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b21
    • CPU:
      ppc
    • OS:
      linux

      Description

      For POWER7 and earlier, we always have to go through memory when moving between a floating point register and an integer register, however this restriction is removed in POWER8 with the introduction of the mtfprd and mffprd instructions.

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            • Assignee:
              mbrandy Matthew Brandyberry
              Reporter:
              gromero Gustavo Romero
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              • Created:
                Updated:
                Resolved: