Improve array equals intrinsic on SPARC

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 9
    • Affects Version/s: hs18, 9
    • Component/s: hotspot
    • b120
    • sparc
    • solaris_10

      MacroAssembler::array_equals() currently emits a 4-byte array comparison loop on SPARC but we can do a 8-byte comparison if the array addresses are doubleword aligned. The intrinsic is used for byte/char Arrays.equals() and String.equals().

        1. EqualsBench.java
          3 kB
          Tobias Hartmann

            Assignee:
            Tobias Hartmann
            Reporter:
            Vladimir Kozlov
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