td>Subtract quadword integer in <em>mm1 </em>from <em>mm2 /m64</em>.</td></tr>
<tr>
<td>
<p>66 0F FB /<em>r</em></p>
<p>PSUBQ <em>xmm1</em>, <em>xmm2/m128</em></p></td>
<td>RM</td>
<td>V/V</td>
<td>SSE2</td>
<td>Subtract packed quadword integers in <em>xmm1 </em>from<em> xmm2 /m128</em>.</td></tr>
<tr>
<td>
<p>VEX.NDS.128.66.0F.WIG FB/r</p>
<p>VPSUBQ <em>xmm1, xmm2, xmm3/m128</em></p></td>
<td>RVM</td>
<td>V/V</td>
<td>AVX</td>
<td>Subtract packed quadword integers in <em>xmm3/m128</em> from <em>xmm2</em>.<