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  1. JDK
  2. JDK-8224592

AArch64: Membar handling needs adjusting to support ZGC

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Details

    • Bug
    • Resolution: Withdrawn
    • P3
    • tbd
    • 13
    • hotspot
    • aarch64
    • generic

    Description

      ZGC adds a more than one CAS, which causes problems when the ideal graph is processed for generating ldxr, stlxr instructions.
      Roland Westerlin has supplied a fix for this issue, during this discussion:
      https://mail.openjdk.java.net/pipermail/aarch64-port-dev/2018-November/006526.html

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          relates to

          Enhancement - null JDK-8214527 AArch64: ZGC for Aarch64

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8224675 Late GC barrier insertion for ZGC

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

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              smonteith Stuart Monteith
              smonteith Stuart Monteith
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              Dates

                Created:
                Updated:
                Resolved: