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  1. JDK
  2. JDK-8256973

Intrinsic creation for VectorMask query (lastTrue,firstTrue,trueCount) APIs

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 17
    • Fix Version/s: 17
    • Component/s: hotspot
    • Subcomponent:
    • Resolved In Build:
      b23
    • CPU:
      x86

      Description

      Currently VectorMask.trueCount/firstTrue/lastTrue() implementation iterates over underlined boolean array to count/ascertain the position of true bits.
      To create intrinsics for these APIs and emit efficient jit sequence for X86 target.

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              Assignee:
              jbhateja Jatin Bhateja
              Reporter:
              luhenry Ludovic Henry
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                Updated:
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