<!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 `libcore/../stdsimd/coresimd/x86/sse3.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>sse3.rs.html -- source</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 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">☰</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></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"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 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Streaming SIMD Extensions 3 (SSE3)</span> <span class="kw">use</span> <span class="ident">coresimd</span>::<span class="ident">simd</span>::<span class="kw-2">*</span>; <span class="kw">use</span> <span class="ident">coresimd</span>::<span class="ident">simd_llvm</span>::{<span class="ident">simd_shuffle2</span>, <span class="ident">simd_shuffle4</span>}; <span class="kw">use</span> <span class="ident">coresimd</span>::<span class="ident">x86</span>::<span class="kw-2">*</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span> <span class="kw">use</span> <span class="ident">stdsimd_test</span>::<span class="ident">assert_instr</span>; <span class="doccomment">/// Alternatively add and subtract packed single-precision (32-bit)</span> <span class="doccomment">/// floating-point elements in `a` to/from packed elements in `b`.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_addsub_ps)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">addsubps</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_addsub_ps</span>(<span class="ident">a</span>: <span class="ident">__m128</span>, <span class="ident">b</span>: <span class="ident">__m128</span>) <span class="op">-></span> <span class="ident">__m128</span> { <span class="ident">addsubps</span>(<span class="ident">a</span>, <span class="ident">b</span>) } <span class="doccomment">/// Alternatively add and subtract packed double-precision (64-bit)</span> <span class="doccomment">/// floating-point elements in `a` to/from packed elements in `b`.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_addsub_pd)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">addsubpd</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_addsub_pd</span>(<span class="ident">a</span>: <span class="ident">__m128d</span>, <span class="ident">b</span>: <span class="ident">__m128d</span>) <span class="op">-></span> <span class="ident">__m128d</span> { <span class="ident">addsubpd</span>(<span class="ident">a</span>, <span class="ident">b</span>) } <span class="doccomment">/// Horizontally add adjacent pairs of double-precision (64-bit)</span> <span class="doccomment">/// floating-point elements in `a` and `b`, and pack the results.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_hadd_pd)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">haddpd</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_hadd_pd</span>(<span class="ident">a</span>: <span class="ident">__m128d</span>, <span class="ident">b</span>: <span class="ident">__m128d</span>) <span class="op">-></span> <span class="ident">__m128d</span> { <span class="ident">haddpd</span>(<span class="ident">a</span>, <span class="ident">b</span>) } <span class="doccomment">/// Horizontally add adjacent pairs of single-precision (32-bit)</span> <span class="doccomment">/// floating-point elements in `a` and `b`, and pack the results.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_hadd_ps)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">haddps</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_hadd_ps</span>(<span class="ident">a</span>: <span class="ident">__m128</span>, <span class="ident">b</span>: <span class="ident">__m128</span>) <span class="op">-></span> <span class="ident">__m128</span> { <span class="ident">haddps</span>(<span class="ident">a</span>, <span class="ident">b</span>) } <span class="doccomment">/// Horizontally subtract adjacent pairs of double-precision (64-bit)</span> <span class="doccomment">/// floating-point elements in `a` and `b`, and pack the results.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_hsub_pd)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">hsubpd</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_hsub_pd</span>(<span class="ident">a</span>: <span class="ident">__m128d</span>, <span class="ident">b</span>: <span class="ident">__m128d</span>) <span class="op">-></span> <span class="ident">__m128d</span> { <span class="ident">hsubpd</span>(<span class="ident">a</span>, <span class="ident">b</span>) } <span class="doccomment">/// Horizontally add adjacent pairs of single-precision (32-bit)</span> <span class="doccomment">/// floating-point elements in `a` and `b`, and pack the results.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_hsub_ps)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">hsubps</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_hsub_ps</span>(<span class="ident">a</span>: <span class="ident">__m128</span>, <span class="ident">b</span>: <span class="ident">__m128</span>) <span class="op">-></span> <span class="ident">__m128</span> { <span class="ident">hsubps</span>(<span class="ident">a</span>, <span class="ident">b</span>) } <span class="doccomment">/// Load 128-bits of integer data from unaligned memory.</span> <span class="doccomment">/// This intrinsic may perform better than `_mm_loadu_si128`</span> <span class="doccomment">/// when the data crosses a cache line boundary.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_lddqu_si128)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">lddqu</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_lddqu_si128</span>(<span class="ident">mem_addr</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span> { <span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">lddqu</span>(<span class="ident">mem_addr</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="kw">_</span>)) } <span class="doccomment">/// Duplicate the low double-precision (64-bit) floating-point element</span> <span class="doccomment">/// from `a`.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_movedup_pd)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">movddup</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_movedup_pd</span>(<span class="ident">a</span>: <span class="ident">__m128d</span>) <span class="op">-></span> <span class="ident">__m128d</span> { <span class="ident">simd_shuffle2</span>(<span class="ident">a</span>, <span class="ident">a</span>, [<span class="number">0</span>, <span class="number">0</span>]) } <span class="doccomment">/// Load a double-precision (64-bit) floating-point element from memory</span> <span class="doccomment">/// into both elements of return vector.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_loaddup_pd)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">movddup</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_loaddup_pd</span>(<span class="ident">mem_addr</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">f64</span>) <span class="op">-></span> <span class="ident">__m128d</span> { <span class="ident">_mm_load1_pd</span>(<span class="ident">mem_addr</span>) } <span class="doccomment">/// Duplicate odd-indexed single-precision (32-bit) floating-point elements</span> <span class="doccomment">/// from `a`.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_movehdup_ps)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">movshdup</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_movehdup_ps</span>(<span class="ident">a</span>: <span class="ident">__m128</span>) <span class="op">-></span> <span class="ident">__m128</span> { <span class="ident">simd_shuffle4</span>(<span class="ident">a</span>, <span class="ident">a</span>, [<span class="number">1</span>, <span class="number">1</span>, <span class="number">3</span>, <span class="number">3</span>]) } <span class="doccomment">/// Duplicate even-indexed single-precision (32-bit) floating-point elements</span> <span class="doccomment">/// from `a`.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_moveldup_ps)</span> <span class="attribute">#[<span class="ident">inline</span>]</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">movsldup</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_moveldup_ps</span>(<span class="ident">a</span>: <span class="ident">__m128</span>) <span class="op">-></span> <span class="ident">__m128</span> { <span class="ident">simd_shuffle4</span>(<span class="ident">a</span>, <span class="ident">a</span>, [<span class="number">0</span>, <span class="number">0</span>, <span class="number">2</span>, <span class="number">2</span>]) } <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">improper_ctypes</span>)]</span> <span class="kw">extern</span> <span class="string">"C"</span> { <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse3.addsub.ps"</span>]</span> <span class="kw">fn</span> <span class="ident">addsubps</span>(<span class="ident">a</span>: <span class="ident">__m128</span>, <span class="ident">b</span>: <span class="ident">__m128</span>) <span class="op">-></span> <span class="ident">__m128</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse3.addsub.pd"</span>]</span> <span class="kw">fn</span> <span class="ident">addsubpd</span>(<span class="ident">a</span>: <span class="ident">__m128d</span>, <span class="ident">b</span>: <span class="ident">__m128d</span>) <span class="op">-></span> <span class="ident">__m128d</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse3.hadd.pd"</span>]</span> <span class="kw">fn</span> <span class="ident">haddpd</span>(<span class="ident">a</span>: <span class="ident">__m128d</span>, <span class="ident">b</span>: <span class="ident">__m128d</span>) <span class="op">-></span> <span class="ident">__m128d</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse3.hadd.ps"</span>]</span> <span class="kw">fn</span> <span class="ident">haddps</span>(<span class="ident">a</span>: <span class="ident">__m128</span>, <span class="ident">b</span>: <span class="ident">__m128</span>) <span class="op">-></span> <span class="ident">__m128</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse3.hsub.pd"</span>]</span> <span class="kw">fn</span> <span class="ident">hsubpd</span>(<span class="ident">a</span>: <span class="ident">__m128d</span>, <span class="ident">b</span>: <span class="ident">__m128d</span>) <span class="op">-></span> <span class="ident">__m128d</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse3.hsub.ps"</span>]</span> <span class="kw">fn</span> <span class="ident">hsubps</span>(<span class="ident">a</span>: <span class="ident">__m128</span>, <span class="ident">b</span>: <span class="ident">__m128</span>) <span class="op">-></span> <span class="ident">__m128</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse3.ldu.dq"</span>]</span> <span class="kw">fn</span> <span class="ident">lddqu</span>(<span class="ident">mem_addr</span>: <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i8x16</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="ident">coresimd</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">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_addsub_ps</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="number">5.0</span>, <span class="number">0.0</span>, <span class="op">-</span><span class="number">10.0</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">100.0</span>, <span class="number">20.0</span>, <span class="number">0.0</span>, <span class="op">-</span><span class="number">5.0</span>); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_addsub_ps</span>(<span class="ident">a</span>, <span class="ident">b</span>); <span class="ident">assert_eq_m128</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_ps</span>(<span class="number">99.0</span>, <span class="number">25.0</span>, <span class="number">0.0</span>, <span class="op">-</span><span class="number">15.0</span>)); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_addsub_pd</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_pd</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="number">5.0</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">_mm_setr_pd</span>(<span class="op">-</span><span class="number">100.0</span>, <span class="number">20.0</span>); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_addsub_pd</span>(<span class="ident">a</span>, <span class="ident">b</span>); <span class="ident">assert_eq_m128d</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_pd</span>(<span class="number">99.0</span>, <span class="number">25.0</span>)); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_hadd_pd</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_pd</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="number">5.0</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">_mm_setr_pd</span>(<span class="op">-</span><span class="number">100.0</span>, <span class="number">20.0</span>); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_hadd_pd</span>(<span class="ident">a</span>, <span class="ident">b</span>); <span class="ident">assert_eq_m128d</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_pd</span>(<span class="number">4.0</span>, <span class="op">-</span><span class="number">80.0</span>)); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_hadd_ps</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="number">5.0</span>, <span class="number">0.0</span>, <span class="op">-</span><span class="number">10.0</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">100.0</span>, <span class="number">20.0</span>, <span class="number">0.0</span>, <span class="op">-</span><span class="number">5.0</span>); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_hadd_ps</span>(<span class="ident">a</span>, <span class="ident">b</span>); <span class="ident">assert_eq_m128</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_ps</span>(<span class="number">4.0</span>, <span class="op">-</span><span class="number">10.0</span>, <span class="op">-</span><span class="number">80.0</span>, <span class="op">-</span><span class="number">5.0</span>)); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_hsub_pd</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_pd</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="number">5.0</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">_mm_setr_pd</span>(<span class="op">-</span><span class="number">100.0</span>, <span class="number">20.0</span>); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_hsub_pd</span>(<span class="ident">a</span>, <span class="ident">b</span>); <span class="ident">assert_eq_m128d</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_pd</span>(<span class="op">-</span><span class="number">6.0</span>, <span class="op">-</span><span class="number">120.0</span>)); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_hsub_ps</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="number">5.0</span>, <span class="number">0.0</span>, <span class="op">-</span><span class="number">10.0</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">100.0</span>, <span class="number">20.0</span>, <span class="number">0.0</span>, <span class="op">-</span><span class="number">5.0</span>); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_hsub_ps</span>(<span class="ident">a</span>, <span class="ident">b</span>); <span class="ident">assert_eq_m128</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">6.0</span>, <span class="number">10.0</span>, <span class="op">-</span><span class="number">120.0</span>, <span class="number">5.0</span>)); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_lddqu_si128</span>() { <span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">rustfmt</span>, <span class="ident">rustfmt_skip</span>)]</span> <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_epi8</span>( <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">10</span>, <span class="number">11</span>, <span class="number">12</span>, <span class="number">13</span>, <span class="number">14</span>, <span class="number">15</span>, <span class="number">16</span>, ); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_lddqu_si128</span>(<span class="kw-2">&</span><span class="ident">a</span>); <span class="ident">assert_eq_m128i</span>(<span class="ident">a</span>, <span class="ident">r</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_movedup_pd</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_pd</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="number">5.0</span>); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_movedup_pd</span>(<span class="ident">a</span>); <span class="ident">assert_eq_m128d</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_pd</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="op">-</span><span class="number">1.0</span>)); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_movehdup_ps</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="number">5.0</span>, <span class="number">0.0</span>, <span class="op">-</span><span class="number">10.0</span>); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_movehdup_ps</span>(<span class="ident">a</span>); <span class="ident">assert_eq_m128</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_ps</span>(<span class="number">5.0</span>, <span class="number">5.0</span>, <span class="op">-</span><span class="number">10.0</span>, <span class="op">-</span><span class="number">10.0</span>)); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_moveldup_ps</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="number">5.0</span>, <span class="number">0.0</span>, <span class="op">-</span><span class="number">10.0</span>); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_moveldup_ps</span>(<span class="ident">a</span>); <span class="ident">assert_eq_m128</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_ps</span>(<span class="op">-</span><span class="number">1.0</span>, <span class="op">-</span><span class="number">1.0</span>, <span class="number">0.0</span>, <span class="number">0.0</span>)); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse3"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_loaddup_pd</span>() { <span class="kw">let</span> <span class="ident">d</span> <span class="op">=</span> <span class="op">-</span><span class="number">5.0</span>; <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_loaddup_pd</span>(<span class="kw-2">&</span><span class="ident">d</span>); <span class="ident">assert_eq_m128d</span>(<span class="ident">r</span>, <span class="ident">_mm_setr_pd</span>(<span class="ident">d</span>, <span class="ident">d</span>)); } } </pre> </section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search 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