d></tr>
<tr>
<td>RM</td>
<td>ModRM:reg (w)</td>
<td>ModRM:r/m (r)</td>
<td>NA</td>
<td>NA</td></tr>
<tr>
<td>MR</td>
<td>ModRM:r/m (w)</td>
<td>ModRM:reg (r)</td>
<td>NA</td>
<td>NA</td></tr></table>
<h2 id="description">Description<a class="anchor" href="#description">
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		</a></h2>
<p>Performs a byte swap operation on the data copied from the second operand (source operand) and store the result in the first operand (destination operand). The source operand can be a general-purpose register, or memory 