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  1. JDK
  2. JDK-8150394

aarch64: add support for 8.1 LSE CAS instructions

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    • Enhancement
    • Status: Resolved
    • P4
    • Resolution: Fixed
    • 9
    • 9
    • hotspot
    • None
    • b112
    • aarch64
    • linux

    Backports

      Description

        armv8.1 LSE supports compare and swap instructions.

        Using CAS has significant performance benefits over using exclusive regions on large multi core systems.

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                enevill Ed Nevill
                enevill Ed Nevill
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                  Created:
                  Updated:
                  Resolved: