be 1111b, VEX.L must be 0, otherwise the instruction will #UD.</p>
<h2 id="effective-operand-size">Effective Operand Size<a class="anchor" href="#effective-operand-size">
			¶
		</a></h2>
<table>
<tr>
<th>Operating mode/size</th>
<th>Operand1</th>
<th>Operand 2</th>
<th>Result</th></tr>
<tr>
<td>16 bit</td>
<td>xmm</td>
<td>xmm/m128</td>
<td>ECX</td></tr>
<tr>
<td>32 bit</td>
<td>xmm</td>
<td>xmm/m128</td>
<td>ECX</td></tr>
<tr>
<td>64 bit</td>
<td>xmm</td>
<td>xmm/m128</td>
<td>ECX</td></tr></table>
<h2 i