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  1. JDK
  2. JDK-8055494

Add C2 x86 intrinsic for BigInteger::multiplyToLen() method

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Details

    • Enhancement
    • Resolution: Fixed
    • P3
    • 9
    • 8u40, 9
    • hotspot
    • None
    • b31
    • x86
    • generic

    Backports

      Description

        We see about ~5% performance improvement for SPECjvm2008 crypto.rsa benchmark on Haswell EP.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8057989 Add C2 x86 intrinsic for BigInteger::multiplyToLen() method

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8063280 Add C2 x86 intrinsic for BigInteger::multiplyToLen() method

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8071021 Add C2 x86 intrinsic for BigInteger::multiplyToLen() method

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8083366 Add C2 x86 intrinsic for BigInteger::multiplyToLen() method

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8059139 It should be possible to explicitly disable usage of TZCNT instr w/ -XX:-UseBMI1Instructions

            • P3 - Major loss of function.
            • Resolved

            Enhancement - null JDK-8167199 Add C2 SPARC intrinsic for BigInteger::multiplyToLen() method

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8057758 Tests run TypeProfileLevel=222 crash with guarantee(0) failed: must find derived/base pair

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8080157 assert(allocates2(pc)) failed: not in CodeBuffer memory

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

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                kvn Vladimir Kozlov
                kvn Vladimir Kozlov
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                Dates

                  Created:
                  Updated:
                  Resolved: