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  1. JDK
  2. JDK-8261553

Efficient mask generation using BMI2 BZHI instruction

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 17
    • Fix Version/s: 17
    • Component/s: hotspot
    • Labels:
      None
    • Subcomponent:
    • Resolved In Build:
      b11
    • CPU:
      x86

      Description

      BMI2 BHZI instruction can be used to optimize the instruction sequence
      used for mask generation at various place in array copy stubs and partial in-lining for small copy operations.

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              Assignee:
              jbhateja Jatin Bhateja
              Reporter:
              jbhateja Jatin Bhateja
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                Created:
                Updated:
                Resolved: