<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `_mm256_unpackhi_epi64` fn in crate `core`."><meta name="keywords" content="rust, rustlang, rust-lang, _mm256_unpackhi_epi64"><title>core::arch::x86::_mm256_unpackhi_epi64 - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script><link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../../core/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a><div class="sidebar-elems"><p class='location'><a href='../../index.html'>core</a>::<wbr><a href='../index.html'>arch</a>::<wbr><a href='index.html'>x86</a></p><script>window.sidebarCurrent = {name: '_mm256_unpackhi_epi64', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Function <a href='../../index.html'>core</a>::<wbr><a href='../index.html'>arch</a>::<wbr><a href='index.html'>x86</a>::<wbr><a class="fn" href=''>_mm256_unpackhi_epi64</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version 1.27.0'>1.27.0</span><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../../src/core/up/stdsimd/coresimd/x86/avx2.rs.html#3881-3884' title='goto source code'>[src]</a></span></h1><pre class='rust fn'>pub unsafe fn _mm256_unpackhi_epi64(a: <a class="struct" href="../../../core/arch/x86/struct.__m256i.html" title="struct core::arch::x86::__m256i">__m256i</a>, b: <a class="struct" href="../../../core/arch/x86/struct.__m256i.html" title="struct core::arch::x86::__m256i">__m256i</a>) -> <a class="struct" href="../../../core/arch/x86/struct.__m256i.html" title="struct core::arch::x86::__m256i">__m256i</a></pre><div class='stability'><div class='stab portability'>This is supported on <strong>x86 and target feature <code>avx2</code></strong> only.</div></div><div class='docblock'><p>Unpack and interleave 64-bit integers from the high half of each
128-bit lane of <code>a</code> and <code>b</code>.</p>
<pre class="rust rust-example-rendered">
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">arch</span>::<span class="ident">x86</span>::<span class="kw-2">*</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">arch</span>::<span class="ident">x86_64</span>::<span class="kw-2">*</span>;
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm256_setr_epi64x</span>(<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>);
<span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">_mm256_setr_epi64x</span>(<span class="number">0</span>,<span class="op">-</span><span class="number">1</span>,<span class="op">-</span><span class="number">2</span>,<span class="op">-</span><span class="number">3</span>);
<span class="kw">let</span> <span class="ident">c</span> <span class="op">=</span> <span class="ident">_mm256_unpackhi_epi64</span>(<span class="ident">a</span>, <span class="ident">b</span>);
<span class="kw">let</span> <span class="ident">expected</span> <span class="op">=</span> <span class="ident">_mm256_setr_epi64x</span>(<span class="number">1</span>,<span class="op">-</span><span class="number">1</span>, <span class="number">3</span>,<span class="op">-</span><span class="number">3</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">_mm256_movemask_epi8</span>(<span class="ident">_mm256_cmpeq_epi8</span>(<span class="ident">c</span>, <span class="ident">expected</span>)), <span class="op">!</span><span class="number">0</span>);
<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bcfg_attr(not(dox)%2C%20no_std)%5D%0A%23%5Bcfg(not(dox))%5D%0Aextern%20crate%20std%20as%20real_std%3B%0A%23%5Bcfg(not(dox))%5D%0A%23%5Bmacro_use%5D%0Aextern%20crate%20stdsimd%20as%20std%3B%0A%23%5Bcfg(target_arch%20%3D%20%22x86%22)%5D%0Ause%20std%3A%3Aarch%3A%3Ax86%3A%3A*%3B%0A%23%5Bcfg(target_arch%20%3D%20%22x86_64%22)%5D%0Ause%20std%3A%3Aarch%3A%3Ax86_64%3A%3A*%3B%0A%0Afn%20main()%20%7B%0A%20%20%20%20if%20is_x86_feature_detected!(%22avx2%22)%20%7B%0A%20%20%20%20%20%20%20%20%23%5Btarget_feature(enable%20%3D%20%22avx2%22)%5D%0A%20%20%20%20%20%20%20%20unsafe%20fn%20worker()%20%7B%0Alet%20a%20%3D%20_mm256_setr_epi64x(0%2C%201%2C%202%2C%203)%3B%0Alet%20b%20%3D%20_mm256_setr_epi64x(0%2C-1%2C-2%2C-3)%3B%0A%0Alet%20c%20%3D%20_mm256_unpackhi_epi64(a%2C%20b)%3B%0A%0Alet%20expected%20%3D%20_mm256_setr_epi64x(1%2C-1%2C%203%2C-3)%3B%0Aassert_eq!(_mm256_movemask_epi8(_mm256_cmpeq_epi8(c%2C%20expected))%2C%20!0)%3B%0A%0A%20%20%20%20%20%20%20%20%7D%0A%20%20%20%20%20%20%20%20unsafe%20%7B%20worker()%3B%20%7D%0A%20%20%20%20%7D%0A%7D">Run</a></pre>
<p><a href="https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_unpackhi_epi64">Intel's documentation</a></p>
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