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  1. JDK
  2. JDK-8277180

Intrinsify recursive ObjectMonitor locking for C2 x64 and A64

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    • b25

    Backports

      Description

        The C2 fast_lock and fast_unlock intrinsics don't support recursive ObjectMonitor locking. Some workload can significantly benefit from this.

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            backported by

            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-8281227 Intrinsify recursive ObjectMonitor locking for C2 x64 and A64

            • 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-8281303 Intrinsify recursive ObjectMonitor locking for C2 x64 and A64

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8263864 ~17% regression for DaCapo h2 after JDK-8253064

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

            Enhancement - null JDK-8281043 Intrinsify recursive ObjectMonitor locking for PPC64

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

            Enhancement - null JDK-8253064 monitor list simplifications and getting rid of TSM

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

            Enhancement - null JDK-8277431 riscv: Intrinsify recursive ObjectMonitor locking for C2

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

            Commit Commit openjdk/jdk17u-dev/dba064ae

            Commit Commit openjdk/jdk/d93b238f

            Review Review openjdk/jdk17u-dev/126

            Review Review openjdk/jdk/6406

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                eosterlund Erik Österlund
                eosterlund Erik Österlund
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                  Created:
                  Updated:
                  Resolved: