 r32a.</td></tr>
<tr>
<td>
<p>VEX.NDS.LZ. 0F38.W1 F2 /r</p>
<p>ANDN r64a, r64b, r/m64</p></td>
<td>RVM</td>
<td>V/NE</td>
<td>BMI1</td>
<td>Bitwise AND of inverted r64b with r/m64, store result in r64a.</td></tr></table>
<h3>Instruction Operand Encoding</h3>
<table>
<tr>
<td>Op/En</td>
<td>Operand 1</td>
<td>Operand 2</td>
<td>Operand 3</td>
<td>Operand 4</td></tr>
<tr>
<td>RVM</td>
<td>ModRM:reg (w)</td>
<td>VEX.vvvv (r)</td>
<td>ModRM:r/m (r)</td>
<td>NA</td></tr></table>
<h2>Description</h2>
<p>Performs 