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  1. JDK
  2. JDK-8314056

Remove runtime platform check from frem/drem

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    • b13
    • x86, x86_64
    • generic

    Description

      This fix adds about 4% performance by removing the runtime platform type check and moving code to stubGenerator.

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. JDK-8312188 Performance regression in SharedRuntime::frem/drem() on non-Windows x86 after JDK-8302191

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. JDK-8312233 Performance regression in SharedRuntime::frem/drem() on x86 with AVX2 after JDK-8308966

          • P3 - Major loss of function.
          • Closed
          relates to

          Enhancement - null JDK-8308966 Add intrinsic for float/double modulo for x86 AVX2 and AVX512

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

          Enhancement - null JDK-8302191 Performance degradation for float/double modulo on Linux

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

          Bug - A problem which impairs or prevents the functions of the product. JDK-8312188 Performance regression in SharedRuntime::frem/drem() on non-Windows x86 after JDK-8302191

          • P2 - Crashes, loss of data, severe memory leak.
          • Closed

          Enhancement - null JDK-8308966 Add intrinsic for float/double modulo for x86 AVX2 and AVX512

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

          Commit Commit openjdk/jdk/ce2a7ea4

          Review Review openjdk/jdk/15210

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              sgibbons Scott Gibbons
              sgibbons Scott Gibbons
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              Dates

                Created:
                Updated:
                Resolved: