ble>
<tr>
<th>Opcode/Instruction</th>
<th>Op/En</th>
<th>64/32 bit Mode Support</th>
<th>CPUID Feature Flag</th>
<th>Description</th></tr>
<tr>
<td>NP 0F F6 /<em>r</em><sup>1</sup> PSADBW <em>mm1, mm2/m64</em></td>
<td>A</td>
<td>V/V</td>
<td>SSE</td>
<td>Computes the absolute differences of the packed unsigned byte integers from <em>mm2 /m64</em> and <em>mm1</em>; differences are then summed to produce an unsigned word integer result.</td></tr>
<tr>
<td>66 0F F6 /<em>r</em> PSADBW <em>xmm1</em>, <em>xmm2/m