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  1. JDK
  2. JDK-8321215

Incorrect x86 instruction encoding for VSIB addressing mode

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    • b27
    • x86

    Backports

      Description

        For instructions that use VSIB addressing mode (gather/scatter), the assembler incorrectly sets EVEX.X bit when the VSIB vector register is in the range XMM16 ... XMM23.

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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-8321951 Incorrect x86 instruction encoding for VSIB addressing mode

            • 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-8321953 Incorrect x86 instruction encoding for VSIB addressing mode

            • 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-8321986 Incorrect x86 instruction encoding for VSIB addressing mode

            • 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-8322407 Incorrect x86 instruction encoding for VSIB addressing mode

            • 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-8322699 Incorrect x86 instruction encoding for VSIB addressing mode

            • 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-8323326 Incorrect x86 instruction encoding for VSIB addressing mode

            • P3 - Major loss of function.
            • Resolved
            duplicates

            Bug - A problem which impairs or prevents the functions of the product. JDK-8318048 Incorrect register encoding of AVX-512 instruction for vector indexed load

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

            Enhancement - null JDK-8205528 Base64 encoding algorithm using AVX512 instructions

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

            Commit Commit openjdk/jdk11u-dev/666bf87e

            Commit Commit openjdk/jdk17u-dev/7973bfe4

            Commit Commit openjdk/jdk21u-dev/8695daa2

            Commit Commit openjdk/jdk/027b5dbb

            Review Review openjdk/jdk11u-dev/2427

            Review Review openjdk/jdk17u-dev/2014

            Review Review openjdk/jdk21u-dev/67

            Review Review openjdk/jdk21u/418

            Review Review openjdk/jdk/16957

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