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<!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="Source to the Rust file `src/libcore/../stdsimd/crates/core_arch/src/x86_64/avx.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>avx.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../../../../../../../normalize1.35.0.css"><link rel="stylesheet" type="text/css" href="../../../../../../../../rustdoc1.35.0.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../../../../../../dark1.35.0.css"><link rel="stylesheet" type="text/css" href="../../../../../../../../light1.35.0.css" id="themeStyle"><script src="../../../../../../../../storage1.35.0.js"></script><noscript><link rel="stylesheet" href="../../../../../../../../noscript1.35.0.css"></noscript><link rel="shortcut icon" href="../../../../../../../../favicon1.35.0.ico"><style type="text/css">#crate-search{background-image:url("../../../../../../../../down-arrow1.35.0.svg");}</style></head><body class="rustdoc source"><!--[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">&#9776;</div><a href='../../../../../../../../core/index.html'><img src='../../../../../../../../rust-logo1.35.0.png' alt='logo' width='100'></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../../../../../../brush1.35.0.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../../../../../../theme1.35.0.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../../../../../../../settings.html"><img src="../../../../../../../../wheel1.35.0.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><div class="example-wrap"><pre class="rust ">
<span class="doccomment">//! Advanced Vector Extensions (AVX)</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! The references are:</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! - [Intel 64 and IA-32 Architectures Software Developer&#39;s Manual Volume 2:</span>
<span class="doccomment">//! Instruction Set Reference, A-Z][intel64_ref]. - [AMD64 Architecture</span>
<span class="doccomment">//! Programmer&#39;s Manual, Volume 3: General-Purpose and System</span>
<span class="doccomment">//! Instructions][amd64_ref].</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! [Wikipedia][wiki] provides a quick overview of the instructions available.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! [intel64_ref]: http://www.intel.de/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-instruction-set-reference-manual-325383.pdf</span>
<span class="doccomment">//! [amd64_ref]: http://support.amd.com/TechDocs/24594.pdf</span>
<span class="doccomment">//! [wiki]: https://en.wikipedia.org/wiki/Advanced_Vector_Extensions</span>

<span class="kw">use</span> <span class="kw">crate</span>::{
    <span class="ident">core_arch</span>::{<span class="ident">simd_llvm</span>::<span class="kw-2">*</span>, <span class="ident">x86</span>::<span class="kw-2">*</span>},
    <span class="ident">mem</span>::<span class="ident">transmute</span>,
};

<span class="doccomment">/// Copies `a` to result, and insert the 64-bit integer `i` into result</span>
<span class="doccomment">/// at the location specified by `index`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [Intel&#39;s documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_insert_epi64)</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">2</span>)]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">&quot;avx&quot;</span>)]</span>
<span class="comment">// This intrinsic has no corresponding instruction.</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">&quot;simd_x86&quot;</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">&quot;1.27.0&quot;</span>)]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm256_insert_epi64</span>(<span class="ident">a</span>: <span class="ident">__m256i</span>, <span class="ident">i</span>: <span class="ident">i64</span>, <span class="ident">index</span>: <span class="ident">i32</span>) <span class="op">-&gt;</span> <span class="ident">__m256i</span> {
    <span class="ident">transmute</span>(<span class="ident">simd_insert</span>(<span class="ident">a</span>.<span class="ident">as_i64x4</span>(), (<span class="ident">index</span> <span class="kw">as</span> <span class="ident">u32</span>) <span class="op">&amp;</span> <span class="number">3</span>, <span class="ident">i</span>))
}

<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
    <span class="kw">use</span> <span class="ident">stdsimd_test</span>::<span class="ident">simd_test</span>;

    <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">x86</span>::<span class="kw-2">*</span>;

    <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">&quot;avx&quot;</span>)]</span>
    <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm256_insert_epi64</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">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>);
        <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm256_insert_epi64</span>(<span class="ident">a</span>, <span class="number">0</span>, <span class="number">3</span>);
        <span class="kw">let</span> <span class="ident">e</span> <span class="op">=</span> <span class="ident">_mm256_setr_epi64x</span>(<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">0</span>);
        <span class="ident">assert_eq_m256i</span>(<span class="ident">r</span>, <span class="ident">e</span>);
    }
}
</pre></div>
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