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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [mc][gfx8][disassembler] Failed to decode v_mqsad_u32_u8"
href="https://bugs.llvm.org/show_bug.cgi?id=33639">33639</a>
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<th>Summary</th>
<td>[mc][gfx8][disassembler] Failed to decode v_mqsad_u32_u8
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Backend: AMDGPU
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dpreobrazhensky@luxoft.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
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<div>
<pre>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)</pre>
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