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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 - [AVX512] Add support for V4FMA instructions"
href="https://bugs.llvm.org/show_bug.cgi?id=37757">37757</a>
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<th>Summary</th>
<td>[AVX512] Add support for V4FMA instructions
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: X86
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>maks@fb.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>E.g. for v4fmaddps:
$ cho 'v4fmaddps 0x0(%rbp),%zmm0,%zmm4' | llvm-mc -assemble -arch=x86-64
-show-encoding -x86-asm-syntax=att -mcpu=knl
.text
<stdin>:1:1: error: invalid instruction mnemonic 'v4fmaddps'
v4fmaddps 0x0(%rbp),%zmm0,%zmm4
^~~~~~~~~
$ echo '0x62 0xf2 0x7f 0x48 0x9a 0x65 0x00' | llvm-mc -disassemble -arch=x86-64
-show-encoding -x86-asm-syntax=att -mcpu=knl
.text
<stdin>:1:1: warning: invalid instruction encoding
0x62 0xf2 0x7f 0x48 0x9a 0x65 0x00</pre>
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