.</td></tr>
<tr>
<td>
<p>0F 22 /<em>r</em></p>
<p>MOV CR0–CR7, <em>r64</em></p></td>
<td>RM</td>
<td>Valid</td>
<td>N.E.</td>
<td>Move <em>r64</em> to extended control register.</td></tr>
<tr>
<td>
<p>REX.R + 0F 22 /0</p>
<p>MOV CR8, <em>r64</em></p></td>
<td>RM</td>
<td>Valid</td>
<td>N.E.</td>
<td>Move <em>r64</em> to extended CR8.<sup>1</sup></td></tr></table>
<p><strong>NOTE:</strong></p>
<p>1.</p>
<p>MOV CR* instructions, except for MOV CR8, are serializing instructions. MOV CR8 is not architecturall