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  1. JDK
  2. JDK-8282389

Add new vector operations to count leading and trailing zeros.

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    • generic
    • generic

    Description

      - Add support for new vector operations CLZ (count number of leading zeros) and CTZ (could number of trailing zeros) for all the integral vector types(Byte/Short/Integer/Long).
      - Add validation and performance tests corresponding the these operations in existing VectorAPI JTREG/JMH suite.

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          relates to

          Sub-task - The sub-task of the issue JDK-8283145 [vector] Add the compiler IR and aarch64 support for count leading and trailing zeros

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

          Enhancement - null JDK-8284503 Java API definition and Compiler IR changes for newly proposed operation in VectorAPI - incubation 4

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

          Sub-task - The sub-task of the issue JDK-8284962 Add new vector operations to count leading and trailing zeros.

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

          Commit Commit openjdk/panama-vector/801f1fde

          Review Review openjdk/panama-vector/176

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              jbhateja Jatin Bhateja
              jbhateja Jatin Bhateja
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                Updated:
                Resolved: