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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [mc][gfx9][disassembler] Failed to decode v_mad_mix* opcodes"
href="https://bugs.llvm.org/show_bug.cgi?id=33592">33592</a>
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<th>Summary</th>
<td>[mc][gfx9][disassembler] Failed to decode v_mad_mix* opcodes
</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>
<tr>
<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_mad_mix* opcodes.
An example of failed test:
0x05,0x00,0xa0,0xd3,0x01,0x00,0xfd,0x07
Expected result:
v_mad_mix_f32 v5, s1, 0, v255
Actual result:
Assertion failed: idx < size(), file
D:\__LLVM_GIT_MASTER\llvm\include\llvm/ADT/SmallVector.h, line 153
Wrote crash dump file "E:\TMP\llvm-mc.exe-698d5b.dmp"
#0 0x006230b9 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x2d30b9)
#1 0x016f15db (C:\Windows\system32\ucrtbased.dll+0xb15db)
#2 0x016f2ba2 (C:\Windows\system32\ucrtbased.dll+0xb2ba2)
#3 0x016f6fe4 (C:\Windows\system32\ucrtbased.dll+0xb6fe4)
#4 0x016f55ca (C:\Windows\system32\ucrtbased.dll+0xb55ca)
#5 0x016f777a (C:\Windows\system32\ucrtbased.dll+0xb777a)
#6 0x0040d493 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0xbd493)
#7 0x003b6bdd (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x66bdd)
#8 0x008e9863 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x599863)
#9 0x008e5f89 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x595f89)
#10 0x008e6bca (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x596bca)
#11 0x004e4f8f (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x194f8f)
#12 0x004c5b1c (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x175b1c)
#13 0x003c54b4 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x754b4)
#14 0x003c510a (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x7510a)
#15 0x0039a8ac (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x4a8ac)
#16 0x008e05ee (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x5905ee)
#17 0x008e0470 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x590470)
#18 0x008e030d (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x59030d)
#19 0x008e0608 (D:\__LLVM_GIT_MASTER\build\Debug\bin\llvm-mc.exe+0x590608)
#20 0x75c5336a (C:\Windows\syswow64\kernel32.dll+0x1336a)
#21 0x77eb9902 (C:\Windows\SysWOW64\ntdll.dll+0x39902)
#22 0x77eb98d5 (C:\Windows\SysWOW64\ntdll.dll+0x398d5)</pre>
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