 Integers with Signed Saturation</h1>


<table>
<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 EC /<em>r</em><sup>1</sup> PADDSB <em>mm, mm/m64</em></td>
<td>A</td>
<td>V/V</td>
<td>MMX</td>
<td>Add packed signed byte integers from <em>mm/m64 and mm</em> and saturate the results.</td></tr>
<tr>
<td>66 0F EC /<em>r</em> PADDSB <em>xmm1, xmm2/m128</em></td>
<td>A</td>
<td>V/V</td>
<td>SSE2</td>
<td>Add packed