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  1. JDK
  2. JDK-8292867

RISC-V: Simplify weak CAS return value handling

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Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 20
    • 19, 20
    • hotspot
    • b13
    • riscv

    Backports

      Description

        I see that current weak CAS implementations in macroAssembler_riscv.cpp return 0 on success, and then invert it in riscv.ad to match the Java's `boolean` result. I think we can just return the final value from MacroAssembler.

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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-8311713 RISC-V: Simplify weak CAS return value handling

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

            Commit Commit openjdk/jdk17u-dev/966fc82d

            Commit Commit openjdk/jdk/f57d3424

            Commit Commit openjdk/riscv-port-jdk17u/b934d814

            Commit Commit(riscv-port) openjdk/riscv-port-jdk11u/adc54159

            Review Review openjdk/jdk17u-dev/1427

            Review Review openjdk/jdk/10006

            Review Review openjdk/riscv-port-jdk17u/43

            Review Review(riscv-port) openjdk/riscv-port-jdk11u/31

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