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  1. JDK
  2. JDK-8080588 VarHandles development
  3. JDK-8155739

[TESTBUG] VarHandles/Unsafe tests for weakCAS should allow spurious failures

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    • Sub-task
    • Resolution: Fixed
    • P2
    • 9
    • None
    • core-libs
    • None

    Description

      Current tests work with weakCAS/CAE as if they are similar to the stronger forms. This only works on x86, but not on the weaker memory model machines, where weak versions are significantly simpler and can actually see spurious failures. See e.g.:
       http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2016-April/022717.html

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          Sub-task - The sub-task of the issue JDK-8141635 Implement VarHandles/Unsafe intrinsics on POWER

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

          Enhancement - null JDK-8141633 Implement VarHandles/Unsafe intrinsics on AArch64

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

          Enhancement - null JDK-8141634 Implement VarHandles/Unsafe intrinsics on SPARC

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8292407 Improve Weak CAS VarHandle/Unsafe tests resilience under spurious failures

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8292360 [riscv] WeakCompareAndSet fails for some tests

          • P3 - Major loss of function.
          • Resolved

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              shade Aleksey Shipilev
              shade Aleksey Shipilev
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                Created:
                Updated:
                Resolved: