EVEX.LIG.F3.0F.W1 78 /r VCVTTSS2USI r64, xmm1/m32{sae}</td>
<td>A</td>
<td>V/N.E.<sup>1</sup></td>
<td>AVX512F</td>
<td>Convert one single-precision floating-point value from xmm1/m32 to one unsigned quadword integer in r64 using truncation.</td></tr></table>
<blockquote>
<p>1. For this specific instruction, EVEX.W in non-64 bit is ignored; the instructions behaves as if the W0 version is used.</p></blockquote>
<h2 id="instruction-operand-encoding">Instruction Operand Encoding<a class="anchor" href="#instru