<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/59621>59621</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
[AMDGPU][MC][GFX11] Incorrect encoding of neg modifier for v_dot2_f32_bf16
</td>
</tr>
<tr>
<th>Labels</th>
<td>
bug,
backend:AMDGPU,
mc
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
dpreobra
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
dpreobra
</td>
</tr>
</table>
<pre>
`v_dot2_f32_bf16` accepts `neg_lo:[0,1,0]` and `neg_hi:[0,1,0]` modifiers, but they are silently ignored and not encoded.
Disassembler fails to decode `v_dot2_f32_bf16` with these modifiers.
An example of failed test:
v_dot2_f32_bf16 v5, v1, v2, v3 neg_hi:[0,1,0]
Expected result:
0x05,0x42,0x1a,0xcc,0x01,0x05,0x0e,0x1c
Actual output:
0x05,0x40,0x1a,0xcc,0x01,0x05,0x0e,0x1c
A fix is pending.
</pre>
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