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  1. JDK
  2. JDK-8275167

x86 intrinsic for unsignedMultiplyHigh

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    • b21
    • x86

    Description

      Optimize the new Math.unsignedMultiplyHigh using the x86 mul instruction.

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          duplicates

          Enhancement - null JDK-8273058 [macos]UnsignedMultiplyHigh is not implemented as an intrinsic

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

          Enhancement - null JDK-8275821 Optimize random number generators developed in JDK-8248862 using Math.unsignedMultiplyHigh()

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

          Enhancement - null JDK-8287139 aarch64 intrinsic for unsignedMultiplyHigh

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

          Enhancement - null JDK-8315612 RISC-V: intrinsic for unsignedMultiplyHigh

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

          Enhancement - null JDK-8188044 We need Math.unsignedMultiplyHigh

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

          Commit Commit openjdk/jdk/af7c56b8

          Review Review openjdk/jdk/5933

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              sviswanathan Sandhya Viswanathan
              sviswanathan Sandhya Viswanathan
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                Created:
                Updated:
                Resolved: