Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8284459

Add x86 back-end implementation for LEADING and TRAILING ZEROS COUNT operations

XMLWordPrintable

      - Extend SLP vectorizer to auto-vectorize following Java SE APIs.
           1) Integer.numberOfLeadingZeros()
           2) Long.numberOfLeadingZeros()
           3) Integer.numberOfTrailingZeros()
           4) Long.numberOfTrailingZeros()

      - Add optimized X86 backend implementation for VectorOperations.LEADING_ZERO_COUNT and VectorOperations.TRAILING_ZEROS_COUNT
        for AVX512 and legacy targets.

            jbhateja Jatin Bhateja
            jbhateja Jatin Bhateja
            Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

              Created:
              Updated:
              Resolved: