<!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 `_mm_loadh_pi` fn in crate `core`."><meta name="keywords" content="rust, rustlang, rust-lang, _mm_loadh_pi"><title>core::arch::x86::_mm_loadh_pi - 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: '_mm_loadh_pi', 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=''>_mm_loadh_pi</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version '></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/sse.rs.html#1141-1146' title='goto source code'>[src]</a></span></h1><pre class='rust fn'>pub unsafe fn _mm_loadh_pi(a: <a class="struct" href="../../../core/arch/x86/struct.__m128.html" title="struct core::arch::x86::__m128">__m128</a>, p: *const <a class="struct" href="../../../core/arch/x86/struct.__m64.html" title="struct core::arch::x86::__m64">__m64</a>) -> <a class="struct" href="../../../core/arch/x86/struct.__m128.html" title="struct core::arch::x86::__m128">__m128</a></pre><div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>stdsimd </code><a href="https://github.com/rust-lang/rust/issues/48556">#48556</a>)</div><div class='stab portability'>This is supported on <strong>x86 and target feature <code>sse</code></strong> only.</div></div><div class='docblock'><p>Set the upper two single-precision floating-point values with 64 bits of
data loaded from the address <code>p</code>; the lower two values are passed through
from <code>a</code>.</p>
<p>This corresponds to the <code>MOVHPS</code> / <code>MOVHPD</code> / <code>VMOVHPD</code> instructions.</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">_mm_setr_ps</span>(<span class="number">1.0</span>, <span class="number">2.0</span>, <span class="number">3.0</span>, <span class="number">4.0</span>);
<span class="kw">let</span> <span class="ident">data</span>: [<span class="ident">f32</span>; <span class="number">4</span>] <span class="op">=</span> [<span class="number">5.0</span>, <span class="number">6.0</span>, <span class="number">7.0</span>, <span class="number">8.0</span>];
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_loadh_pi</span>(<span class="ident">a</span>, <span class="ident">data</span>[..].<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="kw">_</span>) ;
<span class="comment">// assert_eq!(r, _mm_setr_ps(1.0, 2.0, 5.0, 6.0));</span><a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(stdsimd)%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%0A%0A%2F%2F%20The%20real%20main%20function%0Afn%20main()%20%7B%0A%20%20%20%20if%20is_x86_feature_detected!(%22sse%22)%20%7B%0A%20%20%20%20%20%20%20%20%23%5Btarget_feature(enable%20%3D%20%22sse%22)%5D%0A%20%20%20%20%20%20%20%20unsafe%20fn%20worker()%20%7B%0A%0Alet%20a%20%3D%20_mm_setr_ps(1.0%2C%202.0%2C%203.0%2C%204.0)%3B%0Alet%20data%3A%20%5Bf32%3B%204%5D%20%3D%20%5B5.0%2C%206.0%2C%207.0%2C%208.0%5D%3B%0Alet%20r%20%3D%20_mm_loadh_pi(a%2C%20data%5B..%5D.as_ptr()%20as%20*const%20_)%20%3B%0A%2F%2F%20assert_eq!(r%2C%20_mm_setr_ps(1.0%2C%202.0%2C%205.0%2C%206.0))%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&version=nightly">Run</a></pre>
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