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  1. JDK
  2. JDK-8189616

[s390] Remove definition and all uses of STCK instruction

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 10
    • Fix Version/s: 10
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b31
    • CPU:
      s390x

      Description

      We do not really use this instruction and want to discourage any use.

      In the near future (starting with z14), this instruction bears a significant performance penalty. Replacement would be STCKF (if strict monotonicity across all cores is not required) or STCKE

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            Assignee:
            lucy Lucy Schmidt
            Reporter:
            lucy Lucy Schmidt
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              Updated:
              Resolved: