Logical AND NOT of Packed Double Precision Floating-Point Values</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>66 0F 55 /r ANDNPD xmm1, xmm2/m128</td>
<td>A</td>
<td>V/V</td>
<td>SSE2</td>
<td>Return the bitwise logical AND NOT of packed double-precision floating-point values in xmm1 and xmm2/mem.</td></tr>
<tr>
<td>VEX.NDS.128.66.0F 55 /r VANDNPD xmm1, xmm2, xmm3/m128</td>
<td>B</td>
<td>V/V</td>
