add OM_CACHE_LINE_SIZE and use smaller size on SPARCv9 and X64

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    • Type: Sub-task
    • Resolution: Fixed
    • Priority: P4
    • 15
    • Affects Version/s: 8u72, 9, 14
    • Component/s: hotspot
    • b09
    • x86_64, sparc_64
    • generic

      Add support for OM_CACHE_LINE_SIZE and use a 64 byte
      cache line size on SPARCv9 and X64 CPUs.

      This subtask is split off from the Async Monitor Deflation project
      that is tracked by JDK-8153224.

            Assignee:
            Daniel Daugherty
            Reporter:
            Daniel Daugherty
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              Created:
              Updated:
              Resolved: