>
<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 38 05 /r<sup>1</sup> PHSUBW <em>mm1, mm2/m64</em></td>
<td>RM</td>
<td>V/V</td>
<td>SSSE3</td>
<td>Subtract 16-bit signed integers horizontally, pack to <em>mm1</em>.</td></tr>
<tr>
<td>66 0F 38 05 /r PHSUBW <em>xmm1, xmm2/m128</em></td>
<td>RM</td>
<td>V/V</td>
<td>SSSE3</td>
<td>Subtract 16-bit signed integers horizontally, pack to <em>xmm1</em>.</td></tr>
