and <em>xmm1</em>, add to <em>xmm2/mem</em> and put result in <em>xmm0</em>.</td></tr>
<tr>
<td>
<p>VEX.DDS.LIG.128.66.0F38.W0 B9 /r</p>
<p>VFMADD231SS <em>xmm0, xmm1, xmm2/m32</em></p></td>
<td>A</td>
<td>V/V</td>
<td>FMA</td>
<td>Multiply scalar single-precision floating-point value from <em>xmm1</em> and <em>xmm2/mem</em>, add to <em>xmm0</em> and put result in <em>xmm0</em>.</td></tr></table>
<h3>Instruction Operand Encoding</h3>
<table>
<tr>
<td>Op/En</td>
<td>Operand 1</td>
<td>Operand 2</td>
<td>Oper