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  1. JDK
  2. JDK-8288992

AArch64: CMN should be handled the same way as CMP

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    • b06
    • aarch64

    Backports

      Description

        At present, cmp(r8, -1) fails at comple time, but cmn(r8, -1) fails at runtime. We should fix cmn() to be the same as cmp().

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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-8291012 AArch64: CMN should be handled the same way as CMP

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

            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-8291621 AArch64: CMN should be handled the same way as CMP

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

            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-8294452 AArch64: CMN should be handled the same way as CMP

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

            Enhancement - null JDK-8206895 aarch64: rework error-prone cmp instuction

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

            Commit Commit openjdk/jdk17u-dev/b9749f41

            Commit Commit openjdk/jdk19u/d0b021be

            Commit Commit openjdk/jdk/cc2b7927

            Review Review openjdk/jdk17u-dev/602

            Review Review openjdk/jdk19u/36

            Review Review openjdk/jdk/9246

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                aph Andrew Haley
                aph Andrew Haley
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                  Updated:
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