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>66 0F 73 /3 ib PSRLDQ <em>xmm1</em>, <em>imm8</em></td>
<td>A</td>
<td>V/V</td>
<td>SSE2</td>
<td>Shift <em>xmm1</em> right by <em>imm8</em> while shifting in 0s.</td></tr>
<tr>
<td>VEX.NDD.128.66.0F.WIG 73 /3 ib VPSRLDQ <em>xmm1, xmm2, imm8</em></td>
<td>B</td>
<td>V/V</td>
<td>AVX</td>
<td>Shift <em>xmm2</em> right by <em>imm8</em> bytes while shifting in 0s.<