[llvm-bugs] [Bug 33639] New: [mc][gfx8][disassembler] Failed to decode v_mqsad_u32_u8

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=33639

            Bug ID: 33639
           Summary: [mc][gfx8][disassembler] Failed to decode
                    v_mqsad_u32_u8
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AMDGPU
          Assignee: unassignedbugs at nondot.org
          Reporter: dpreobrazhensky at luxoft.com
                CC: llvm-bugs at lists.llvm.org

Disassembler failed to decode v_mqsad_u32_u8.

An example of a failed test:

    0x05,0x00,0xe7,0xd1,0x80,0x04,0x0c,0x04

Expected:

    v_mqsad_u32_u8 v[5:8], 0, s2, v[3:6]

Actual:

    Encoding of this operand type is not supported yet.
    UNREACHABLE executed at
D:\__LLVM_GIT_MASTER\llvm\lib\Target\AMDGPU\MCTargetDesc\SIMCCodeEmitter.cpp:401!
    Wrote crash dump file "D:\TEMP\llvm-mc.exe-a15d83.dmp"
    #0 0x00d9db29 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x2ddb29)
    #1 0x597e15db (C:\Windows\system32\ucrtbased.dll+0xb15db)
    #2 0x597e2ba2 (C:\Windows\system32\ucrtbased.dll+0xb2ba2)
    #3 0x00d377c9 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x2777c9)
    #4 0x00bc753b (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x10753b)
    #5 0x00baf349 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0xef349)
    #6 0x00bc71ae (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x1071ae)
    #7 0x00c3b8ef (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x17b8ef)
    #8 0x00c406b6 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x1806b6)
    #9 0x00b35484 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x75484)
    #10 0x00b350da (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x750da)
    #11 0x00b0a87c (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x4a87c)
    #12 0x0105b2be (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x59b2be)
    #13 0x0105b140 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x59b140)
    #14 0x0105afdd (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x59afdd)
    #15 0x0105b2d8 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x59b2d8)
    #16 0x7688336a (C:\Windows\syswow64\kernel32.dll+0x1336a)
    #17 0x774b9902 (C:\Windows\SysWOW64\ntdll.dll+0x39902)
    #18 0x774b98d5 (C:\Windows\SysWOW64\ntdll.dll+0x398d5)

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