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  1. JDK
  2. JDK-8220441

[PPC64] Clobber memory effect missing for memory barriers in atomics

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    • Subcomponent:
    • Resolved In Build:
      b12
    • CPU:
      ppc

      Backports

        Description

        The atomics in atomic_aix/linux_ppc.hpp use inline assembler memory barriers. They need a "clobber memory" effect in order to get handled correctly by C++ compilers.
        We haven't seen issues so far, but we should avoid problems with future compiler versions.

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            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8222847 [PPC64] Clobber memory effect missing for memory barriers in atomics

            • P3 - Major loss of function.
            • Resolved

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                • Assignee:
                  mdoerr Martin Doerr
                  Reporter:
                  mdoerr Martin Doerr
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                  • Created:
                    Updated:
                    Resolved: