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  1. JDK
  2. JDK-8331558

AArch64: optimize integer remainder

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Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 23
    • None
    • hotspot
    • b23

    Description

      On some Arm processors, a separate multiply/subtract is actually faster than the combined instruction. We should detect such processors and do the fastest thing.

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          is cloned by

          Enhancement - null JDK-8333343 [REDO] AArch64: optimize integer remainder

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8332066 AArch64: Math test failures since JDK-8331558

          • P1 - Blocks development and/or testing work, production could not run.
          • Closed

          Enhancement - null JDK-8316708 Augment WorstCaseTests with more cases

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

          Commit Commit openjdk/jdk/dab92c51

          Review Review openjdk/jdk/19093

          Activity

            People

              eliu Eric Liu
              aph Andrew Haley
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              Dates

                Created:
                Updated:
                Resolved: