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  1. JDK
  2. JDK-8213754

PPC64: Add Intrinsics for isDigit/isLowerCase/isUpperCase/isWhitespace

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    • Subcomponent:
    • Resolved In Build:
      b24
    • CPU:
      ppc
    • OS:
      linux

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        Description

        POWER9 supports some interesting new instructions to compare a byte against a range/byte array (like cmprb and cmpeqb) that can be used to improve the performance of Character methods like isDigit/isLowerCase/isUpperCase/isWhitespace.

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                Assignee:
                mhorie Michihiro Horie
                Reporter:
                gromero Gustavo Romero
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