Files
simdjson-simdjson/westmere_2simd_8h_source.html
T
2023-09-20 15:16:39 +00:00

445 lines
62 KiB
HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>simdjson: include/simdjson/westmere/simd.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygen-awesome.css" rel="stylesheet" type="text/css"/>
<link href="doxygen-awesome-sidebar-only.css" rel="stylesheet" type="text/css"/>
<link href="doxygen-awesome-sidebar-only-darkmode-toggle.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectlogo"><img alt="Logo" src="logotiny.png"/></td>
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">simdjson
&#160;<span id="projectnumber">3.3.0</span>
</div>
<div id="projectbrief">Ridiculously Fast JSON</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.1 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('westmere_2simd_8h_source.html',''); initResizable(); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="headertitle">
<div class="title">simd.h</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="preprocessor">#ifndef SIMDJSON_WESTMERE_SIMD_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="preprocessor">#define SIMDJSON_WESTMERE_SIMD_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160; </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="preprocessor">#ifndef SIMDJSON_CONDITIONAL_INCLUDE</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &quot;simdjson/westmere/base.h&quot;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#include &quot;simdjson/westmere/bitmanipulation.h&quot;</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;simdjson/internal/simdprune_tables.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// SIMDJSON_CONDITIONAL_INCLUDE</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacesimdjson.html">simdjson</a> {</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="keyword">namespace </span>westmere {</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="keyword">namespace </span>simd {</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Child&gt;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="keyword">struct </span>base {</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; __m128i value;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; <span class="comment">// Zero constructor</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; simdjson_inline base() : value{__m128i()} {}</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; <span class="comment">// Conversion from SIMD register</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; simdjson_inline base(<span class="keyword">const</span> __m128i _value) : value(_value) {}</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="comment">// Conversion to SIMD register</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; simdjson_inline <span class="keyword">operator</span> <span class="keyword">const</span> __m128i&amp;() <span class="keyword">const</span> { <span class="keywordflow">return</span> this-&gt;value; }</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; simdjson_inline <span class="keyword">operator</span> __m128i&amp;() { <span class="keywordflow">return</span> this-&gt;value; }</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="comment">// Bit operations</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; simdjson_inline Child operator|(<span class="keyword">const</span> Child other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_or_si128(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; simdjson_inline Child operator&amp;(<span class="keyword">const</span> Child other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_and_si128(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; simdjson_inline Child operator^(<span class="keyword">const</span> Child other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_xor_si128(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; simdjson_inline Child bit_andnot(<span class="keyword">const</span> Child other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_andnot_si128(other, *<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; simdjson_inline Child&amp; operator|=(<span class="keyword">const</span> Child other) { <span class="keyword">auto</span> this_cast = <span class="keyword">static_cast&lt;</span>Child*<span class="keyword">&gt;</span>(<span class="keyword">this</span>); *this_cast = *this_cast | other; <span class="keywordflow">return</span> *this_cast; }</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; simdjson_inline Child&amp; operator&amp;=(<span class="keyword">const</span> Child other) { <span class="keyword">auto</span> this_cast = <span class="keyword">static_cast&lt;</span>Child*<span class="keyword">&gt;</span>(<span class="keyword">this</span>); *this_cast = *this_cast &amp; other; <span class="keywordflow">return</span> *this_cast; }</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; simdjson_inline Child&amp; operator^=(<span class="keyword">const</span> Child other) { <span class="keyword">auto</span> this_cast = <span class="keyword">static_cast&lt;</span>Child*<span class="keyword">&gt;</span>(<span class="keyword">this</span>); *this_cast = *this_cast ^ other; <span class="keywordflow">return</span> *this_cast; }</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; };</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Mask=simd8&lt;<span class="keywordtype">bool</span>&gt;&gt;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">struct </span>base8: base&lt;simd8&lt;T&gt;&gt; {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">typedef</span> uint16_t bitmask_t;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keyword">typedef</span> uint32_t bitmask2_t;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; simdjson_inline base8() : base&lt;simd8&lt;T&gt;&gt;() {}</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; simdjson_inline base8(<span class="keyword">const</span> __m128i _value) : base&lt;simd8&lt;T&gt;&gt;(_value) {}</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">friend</span> simdjson_inline Mask <a class="code" href="namespacesimdjson_1_1_s_i_m_d_j_s_o_n___i_m_p_l_e_m_e_n_t_a_t_i_o_n_1_1ondemand.html#aab771b17058b0c93bdd0a8679c2c4d84">operator==</a>(<span class="keyword">const</span> simd8&lt;T&gt; lhs, <span class="keyword">const</span> simd8&lt;T&gt; rhs) { <span class="keywordflow">return</span> _mm_cmpeq_epi8(lhs, rhs); }</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> SIZE = <span class="keyword">sizeof</span>(base&lt;simd8&lt;T&gt;&gt;::value);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">template</span>&lt;<span class="keywordtype">int</span> N=1&gt;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; simdjson_inline simd8&lt;T&gt; prev(<span class="keyword">const</span> simd8&lt;T&gt; prev_chunk)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordflow">return</span> _mm_alignr_epi8(*<span class="keyword">this</span>, prev_chunk, 16 - N);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; };</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment">// SIMD byte mask type (returned by things like eq and gt)</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">struct </span>simd8&lt;bool&gt;: base8&lt;bool&gt; {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keyword">static</span> simdjson_inline simd8&lt;bool&gt; splat(<span class="keywordtype">bool</span> _value) { <span class="keywordflow">return</span> _mm_set1_epi8(uint8_t(-(!!_value))); }</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; simdjson_inline simd8&lt;bool&gt;() : base8() {}</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; simdjson_inline simd8&lt;bool&gt;(<span class="keyword">const</span> __m128i _value) : base8&lt;bool&gt;(_value) {}</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="comment">// Splat constructor</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; simdjson_inline simd8&lt;bool&gt;(<span class="keywordtype">bool</span> _value) : base8&lt;bool&gt;(splat(_value)) {}</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; simdjson_inline <span class="keywordtype">int</span> to_bitmask()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_movemask_epi8(*<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; simdjson_inline <span class="keywordtype">bool</span> any()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !_mm_testz_si128(*<span class="keyword">this</span>, *<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; simdjson_inline simd8&lt;bool&gt; operator~()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *<span class="keyword">this</span> ^ <span class="keyword">true</span>; }</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; };</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">struct </span>base8_numeric: base8&lt;T&gt; {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keyword">static</span> simdjson_inline simd8&lt;T&gt; splat(T _value) { <span class="keywordflow">return</span> _mm_set1_epi8(_value); }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keyword">static</span> simdjson_inline simd8&lt;T&gt; zero() { <span class="keywordflow">return</span> _mm_setzero_si128(); }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">static</span> simdjson_inline simd8&lt;T&gt; load(<span class="keyword">const</span> T values[16]) {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">return</span> _mm_loadu_si128(<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span>__m128i *<span class="keyword">&gt;</span>(values));</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// Repeat 16 values as many times as necessary (usually for lookup tables)</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keyword">static</span> simdjson_inline simd8&lt;T&gt; repeat_16(</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; T v0, T v1, T v2, T v3, T v4, T v5, T v6, T v7,</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; T v8, T v9, T v10, T v11, T v12, T v13, T v14, T v15</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; ) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">return</span> simd8&lt;T&gt;(</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; v0, v1, v2, v3, v4, v5, v6, v7,</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; v8, v9, v10,v11,v12,v13,v14,v15</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; );</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; simdjson_inline base8_numeric() : base8&lt;T&gt;() {}</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; simdjson_inline base8_numeric(<span class="keyword">const</span> __m128i _value) : base8&lt;T&gt;(_value) {}</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="comment">// Store to array</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; simdjson_inline <span class="keywordtype">void</span> store(T dst[16])<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_storeu_si128(<span class="keyword">reinterpret_cast&lt;</span>__m128i *<span class="keyword">&gt;</span>(dst), *<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="comment">// Override to distinguish from bool version</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; simdjson_inline simd8&lt;T&gt; operator~()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *<span class="keyword">this</span> ^ 0xFFu; }</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="comment">// Addition/subtraction are the same for signed and unsigned</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; simdjson_inline simd8&lt;T&gt; operator+(<span class="keyword">const</span> simd8&lt;T&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_add_epi8(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; simdjson_inline simd8&lt;T&gt; operator-(<span class="keyword">const</span> simd8&lt;T&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_sub_epi8(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; simdjson_inline simd8&lt;T&gt;&amp; operator+=(<span class="keyword">const</span> simd8&lt;T&gt; other) { *<span class="keyword">this</span> = *<span class="keyword">this</span> + other; <span class="keywordflow">return</span> *<span class="keyword">static_cast&lt;</span>simd8&lt;T&gt;*<span class="keyword">&gt;</span>(<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; simdjson_inline simd8&lt;T&gt;&amp; operator-=(<span class="keyword">const</span> simd8&lt;T&gt; other) { *<span class="keyword">this</span> = *<span class="keyword">this</span> - other; <span class="keywordflow">return</span> *<span class="keyword">static_cast&lt;</span>simd8&lt;T&gt;*<span class="keyword">&gt;</span>(<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="comment">// Perform a lookup assuming the value is between 0 and 16 (undefined behavior for out of range values)</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> L&gt;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; simdjson_inline simd8&lt;L&gt; lookup_16(simd8&lt;L&gt; lookup_table)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordflow">return</span> _mm_shuffle_epi8(lookup_table, *<span class="keyword">this</span>);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="comment">// Copies to &#39;output&quot; all bytes corresponding to a 0 in the mask (interpreted as a bitset).</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="comment">// Passing a 0 value for mask would be equivalent to writing out every byte to output.</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="comment">// Only the first 16 - count_ones(mask) bytes of the result are significant but 16 bytes</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="comment">// get written.</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="comment">// Design consideration: it seems like a function with the</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="comment">// signature simd8&lt;L&gt; compress(uint32_t mask) would be</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="comment">// sensible, but the AVX ISA makes this kind of approach difficult.</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> L&gt;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; simdjson_inline <span class="keywordtype">void</span> compress(uint16_t mask, L * output)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keyword">using</span> internal::thintable_epi8;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keyword">using</span> internal::BitsSetTable256mul2;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keyword">using</span> internal::pshufb_combine_table;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">// this particular implementation was inspired by work done by @animetosho</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="comment">// we do it in two steps, first 8 bytes and then second 8 bytes</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; uint8_t mask1 = uint8_t(mask); <span class="comment">// least significant 8 bits</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; uint8_t mask2 = uint8_t(mask &gt;&gt; 8); <span class="comment">// most significant 8 bits</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="comment">// next line just loads the 64-bit values thintable_epi8[mask1] and</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="comment">// thintable_epi8[mask2] into a 128-bit register, using only</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="comment">// two instructions on most compilers.</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; __m128i shufmask = _mm_set_epi64x(thintable_epi8[mask2], thintable_epi8[mask1]);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="comment">// we increment by 0x08 the second half of the mask</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; shufmask =</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; _mm_add_epi8(shufmask, _mm_set_epi32(0x08080808, 0x08080808, 0, 0));</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="comment">// this is the version &quot;nearly pruned&quot;</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; __m128i pruned = _mm_shuffle_epi8(*<span class="keyword">this</span>, shufmask);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="comment">// we still need to put the two halves together.</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="comment">// we compute the popcount of the first half:</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordtype">int</span> pop1 = BitsSetTable256mul2[mask1];</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="comment">// then load the corresponding mask, what it does is to write</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="comment">// only the first pop1 bytes from the first 8 bytes, and then</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="comment">// it fills in with the bytes from the second 8 bytes + some filling</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="comment">// at the end.</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; __m128i compactmask =</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; _mm_loadu_si128(<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span>__m128i *<span class="keyword">&gt;</span>(pshufb_combine_table + pop1 * 8));</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; __m128i answer = _mm_shuffle_epi8(pruned, compactmask);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; _mm_storeu_si128(<span class="keyword">reinterpret_cast&lt;</span>__m128i *<span class="keyword">&gt;</span>(output), answer);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; }</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> L&gt;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; simdjson_inline simd8&lt;L&gt; lookup_16(</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; L replace0, L replace1, L replace2, L replace3,</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; L replace4, L replace5, L replace6, L replace7,</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; L replace8, L replace9, L replace10, L replace11,</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; L replace12, L replace13, L replace14, L replace15)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordflow">return</span> lookup_16(simd8&lt;L&gt;::repeat_16(</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; replace0, replace1, replace2, replace3,</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; replace4, replace5, replace6, replace7,</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; replace8, replace9, replace10, replace11,</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; replace12, replace13, replace14, replace15</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; ));</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; }</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; };</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="comment">// Signed bytes</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keyword">struct </span>simd8&lt;int8_t&gt; : base8_numeric&lt;int8_t&gt; {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; simdjson_inline simd8() : base8_numeric&lt;int8_t&gt;() {}</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; simdjson_inline simd8(<span class="keyword">const</span> __m128i _value) : base8_numeric&lt;int8_t&gt;(_value) {}</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="comment">// Splat constructor</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; simdjson_inline simd8(int8_t _value) : simd8(splat(_value)) {}</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="comment">// Array constructor</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; simdjson_inline simd8(<span class="keyword">const</span> int8_t* values) : simd8(load(values)) {}</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="comment">// Member-by-member initialization</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; simdjson_inline simd8(</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; int8_t v0, int8_t v1, int8_t v2, int8_t v3, int8_t v4, int8_t v5, int8_t v6, int8_t v7,</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; int8_t v8, int8_t v9, int8_t v10, int8_t v11, int8_t v12, int8_t v13, int8_t v14, int8_t v15</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; ) : simd8(_mm_setr_epi8(</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; v0, v1, v2, v3, v4, v5, v6, v7,</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; v8, v9, v10,v11,v12,v13,v14,v15</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; )) {}</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">// Repeat 16 values as many times as necessary (usually for lookup tables)</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; simdjson_inline <span class="keyword">static</span> simd8&lt;int8_t&gt; repeat_16(</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; int8_t v0, int8_t v1, int8_t v2, int8_t v3, int8_t v4, int8_t v5, int8_t v6, int8_t v7,</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; int8_t v8, int8_t v9, int8_t v10, int8_t v11, int8_t v12, int8_t v13, int8_t v14, int8_t v15</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; ) {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordflow">return</span> simd8&lt;int8_t&gt;(</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; v0, v1, v2, v3, v4, v5, v6, v7,</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; v8, v9, v10,v11,v12,v13,v14,v15</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; );</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="comment">// Order-sensitive comparisons</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; simdjson_inline simd8&lt;int8_t&gt; max_val(<span class="keyword">const</span> simd8&lt;int8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_max_epi8(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; simdjson_inline simd8&lt;int8_t&gt; min_val(<span class="keyword">const</span> simd8&lt;int8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_min_epi8(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; simdjson_inline simd8&lt;bool&gt; operator&gt;(<span class="keyword">const</span> simd8&lt;int8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_cmpgt_epi8(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; simdjson_inline simd8&lt;bool&gt; operator&lt;(<span class="keyword">const</span> simd8&lt;int8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_cmpgt_epi8(other, *<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; };</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="comment">// Unsigned bytes</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keyword">struct </span>simd8&lt;uint8_t&gt;: base8_numeric&lt;uint8_t&gt; {</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; simdjson_inline simd8() : base8_numeric&lt;uint8_t&gt;() {}</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; simdjson_inline simd8(<span class="keyword">const</span> __m128i _value) : base8_numeric&lt;uint8_t&gt;(_value) {}</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="comment">// Splat constructor</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; simdjson_inline simd8(uint8_t _value) : simd8(splat(_value)) {}</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="comment">// Array constructor</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; simdjson_inline simd8(<span class="keyword">const</span> uint8_t* values) : simd8(load(values)) {}</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="comment">// Member-by-member initialization</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; simdjson_inline simd8(</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; uint8_t v0, uint8_t v1, uint8_t v2, uint8_t v3, uint8_t v4, uint8_t v5, uint8_t v6, uint8_t v7,</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; uint8_t v8, uint8_t v9, uint8_t v10, uint8_t v11, uint8_t v12, uint8_t v13, uint8_t v14, uint8_t v15</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; ) : simd8(_mm_setr_epi8(</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; v0, v1, v2, v3, v4, v5, v6, v7,</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; v8, v9, v10,v11,v12,v13,v14,v15</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; )) {}</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="comment">// Repeat 16 values as many times as necessary (usually for lookup tables)</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; simdjson_inline <span class="keyword">static</span> simd8&lt;uint8_t&gt; repeat_16(</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; uint8_t v0, uint8_t v1, uint8_t v2, uint8_t v3, uint8_t v4, uint8_t v5, uint8_t v6, uint8_t v7,</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; uint8_t v8, uint8_t v9, uint8_t v10, uint8_t v11, uint8_t v12, uint8_t v13, uint8_t v14, uint8_t v15</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; ) {</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordflow">return</span> simd8&lt;uint8_t&gt;(</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; v0, v1, v2, v3, v4, v5, v6, v7,</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; v8, v9, v10,v11,v12,v13,v14,v15</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; );</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="comment">// Saturated math</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; simdjson_inline simd8&lt;uint8_t&gt; saturating_add(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_adds_epu8(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; simdjson_inline simd8&lt;uint8_t&gt; saturating_sub(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_subs_epu8(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; </div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="comment">// Order-specific operations</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; simdjson_inline simd8&lt;uint8_t&gt; max_val(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_max_epu8(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; simdjson_inline simd8&lt;uint8_t&gt; min_val(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_min_epu8(*<span class="keyword">this</span>, other); }</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="comment">// Same as &gt;, but only guarantees true is nonzero (&lt; guarantees true = -1)</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; simdjson_inline simd8&lt;uint8_t&gt; gt_bits(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this-&gt;saturating_sub(other); }</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <span class="comment">// Same as &lt;, but only guarantees true is nonzero (&lt; guarantees true = -1)</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; simdjson_inline simd8&lt;uint8_t&gt; lt_bits(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> other.saturating_sub(*<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; simdjson_inline simd8&lt;bool&gt; operator&lt;=(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> other.max_val(*<span class="keyword">this</span>) == other; }</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; simdjson_inline simd8&lt;bool&gt; operator&gt;=(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> other.min_val(*<span class="keyword">this</span>) == other; }</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; simdjson_inline simd8&lt;bool&gt; operator&gt;(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this-&gt;gt_bits(other).any_bits_set(); }</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; simdjson_inline simd8&lt;bool&gt; operator&lt;(<span class="keyword">const</span> simd8&lt;uint8_t&gt; other)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> this-&gt;gt_bits(other).any_bits_set(); }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; </div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="comment">// Bit-specific operations</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; simdjson_inline simd8&lt;bool&gt; bits_not_set()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *<span class="keyword">this</span> == uint8_t(0); }</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; simdjson_inline simd8&lt;bool&gt; bits_not_set(simd8&lt;uint8_t&gt; bits)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (*<span class="keyword">this</span> &amp; bits).bits_not_set(); }</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; simdjson_inline simd8&lt;bool&gt; any_bits_set()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> ~this-&gt;bits_not_set(); }</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; simdjson_inline simd8&lt;bool&gt; any_bits_set(simd8&lt;uint8_t&gt; bits)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> ~this-&gt;bits_not_set(bits); }</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; simdjson_inline <span class="keywordtype">bool</span> is_ascii()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_movemask_epi8(*<span class="keyword">this</span>) == 0; }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; simdjson_inline <span class="keywordtype">bool</span> bits_not_set_anywhere()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_testz_si128(*<span class="keyword">this</span>, *<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; simdjson_inline <span class="keywordtype">bool</span> any_bits_set_anywhere()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !bits_not_set_anywhere(); }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; simdjson_inline <span class="keywordtype">bool</span> bits_not_set_anywhere(simd8&lt;uint8_t&gt; bits)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_testz_si128(*<span class="keyword">this</span>, bits); }</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; simdjson_inline <span class="keywordtype">bool</span> any_bits_set_anywhere(simd8&lt;uint8_t&gt; bits)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> !bits_not_set_anywhere(bits); }</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <span class="keyword">template</span>&lt;<span class="keywordtype">int</span> N&gt;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; simdjson_inline simd8&lt;uint8_t&gt; shr()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> simd8&lt;uint8_t&gt;(_mm_srli_epi16(*<span class="keyword">this</span>, N)) &amp; uint8_t(0xFFu &gt;&gt; N); }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; <span class="keyword">template</span>&lt;<span class="keywordtype">int</span> N&gt;</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; simdjson_inline simd8&lt;uint8_t&gt; shl()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> simd8&lt;uint8_t&gt;(_mm_slli_epi16(*<span class="keyword">this</span>, N)) &amp; uint8_t(0xFFu &lt;&lt; N); }</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; <span class="comment">// Get one of the bits and make a bitmask out of it.</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="comment">// e.g. value.get_bit&lt;7&gt;() gets the high bit</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="keyword">template</span>&lt;<span class="keywordtype">int</span> N&gt;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; simdjson_inline <span class="keywordtype">int</span> get_bit()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _mm_movemask_epi8(_mm_slli_epi16(*<span class="keyword">this</span>, 7-N)); }</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; };</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; </div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keyword">struct </span>simd8x64 {</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; <span class="keyword">static</span> constexpr <span class="keywordtype">int</span> NUM_CHUNKS = 64 / <span class="keyword">sizeof</span>(simd8&lt;T&gt;);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; static_assert(NUM_CHUNKS == 4, <span class="stringliteral">&quot;Westmere kernel should use four registers per 64-byte block.&quot;</span>);</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <span class="keyword">const</span> simd8&lt;T&gt; chunks[NUM_CHUNKS];</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; </div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; simd8x64(<span class="keyword">const</span> simd8x64&lt;T&gt;&amp; o) = <span class="keyword">delete</span>; <span class="comment">// no copy allowed</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; simd8x64&lt;T&gt;&amp; operator=(<span class="keyword">const</span> simd8&lt;T&gt;&amp; other) = <span class="keyword">delete</span>; <span class="comment">// no assignment allowed</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; simd8x64() = <span class="keyword">delete</span>; <span class="comment">// no default constructor allowed</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; </div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; simdjson_inline simd8x64(<span class="keyword">const</span> simd8&lt;T&gt; chunk0, <span class="keyword">const</span> simd8&lt;T&gt; chunk1, <span class="keyword">const</span> simd8&lt;T&gt; chunk2, <span class="keyword">const</span> simd8&lt;T&gt; chunk3) : chunks{chunk0, chunk1, chunk2, chunk3} {}</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; simdjson_inline simd8x64(<span class="keyword">const</span> T ptr[64]) : chunks{simd8&lt;T&gt;::load(ptr), simd8&lt;T&gt;::load(ptr+16), simd8&lt;T&gt;::load(ptr+32), simd8&lt;T&gt;::load(ptr+48)} {}</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; simdjson_inline <span class="keywordtype">void</span> store(T ptr[64])<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; this-&gt;chunks[0].store(ptr+<span class="keyword">sizeof</span>(simd8&lt;T&gt;)*0);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; this-&gt;chunks[1].store(ptr+<span class="keyword">sizeof</span>(simd8&lt;T&gt;)*1);</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; this-&gt;chunks[2].store(ptr+<span class="keyword">sizeof</span>(simd8&lt;T&gt;)*2);</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; this-&gt;chunks[3].store(ptr+<span class="keyword">sizeof</span>(simd8&lt;T&gt;)*3);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; }</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; </div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; simdjson_inline simd8&lt;T&gt; reduce_or()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="keywordflow">return</span> (this-&gt;chunks[0] | this-&gt;chunks[1]) | (this-&gt;chunks[2] | this-&gt;chunks[3]);</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; }</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; </div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; simdjson_inline uint64_t compress(uint64_t mask, T * output)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; this-&gt;chunks[0].compress(uint16_t(mask), output);</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; this-&gt;chunks[1].compress(uint16_t(mask &gt;&gt; 16), output + 16 - count_ones(mask &amp; 0xFFFF));</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; this-&gt;chunks[2].compress(uint16_t(mask &gt;&gt; 32), output + 32 - count_ones(mask &amp; 0xFFFFFFFF));</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; this-&gt;chunks[3].compress(uint16_t(mask &gt;&gt; 48), output + 48 - count_ones(mask &amp; 0xFFFFFFFFFFFF));</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; <span class="keywordflow">return</span> 64 - count_ones(mask);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; }</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; </div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; simdjson_inline uint64_t to_bitmask()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; uint64_t r0 = uint32_t(this-&gt;chunks[0].to_bitmask() );</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; uint64_t r1 = this-&gt;chunks[1].to_bitmask() ;</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; uint64_t r2 = this-&gt;chunks[2].to_bitmask() ;</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; uint64_t r3 = this-&gt;chunks[3].to_bitmask() ;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; <span class="keywordflow">return</span> r0 | (r1 &lt;&lt; 16) | (r2 &lt;&lt; 32) | (r3 &lt;&lt; 48);</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; }</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; </div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; simdjson_inline uint64_t eq(<span class="keyword">const</span> T m)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; <span class="keyword">const</span> simd8&lt;T&gt; mask = simd8&lt;T&gt;::splat(m);</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <span class="keywordflow">return</span> simd8x64&lt;bool&gt;(</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; this-&gt;chunks[0] == mask,</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; this-&gt;chunks[1] == mask,</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; this-&gt;chunks[2] == mask,</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; this-&gt;chunks[3] == mask</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; ).to_bitmask();</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; }</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; </div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; simdjson_inline uint64_t eq(<span class="keyword">const</span> simd8x64&lt;uint8_t&gt; &amp;other)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; <span class="keywordflow">return</span> simd8x64&lt;bool&gt;(</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; this-&gt;chunks[0] == other.chunks[0],</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; this-&gt;chunks[1] == other.chunks[1],</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; this-&gt;chunks[2] == other.chunks[2],</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; this-&gt;chunks[3] == other.chunks[3]</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; ).to_bitmask();</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; }</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; simdjson_inline uint64_t lteq(<span class="keyword">const</span> T m)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; <span class="keyword">const</span> simd8&lt;T&gt; mask = simd8&lt;T&gt;::splat(m);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; <span class="keywordflow">return</span> simd8x64&lt;bool&gt;(</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; this-&gt;chunks[0] &lt;= mask,</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; this-&gt;chunks[1] &lt;= mask,</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; this-&gt;chunks[2] &lt;= mask,</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; this-&gt;chunks[3] &lt;= mask</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; ).to_bitmask();</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; }</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; }; <span class="comment">// struct simd8x64&lt;T&gt;</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; </div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160;} <span class="comment">// namespace simd</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160;} <span class="comment">// unnamed namespace</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160;} <span class="comment">// namespace westmere</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160;} <span class="comment">// namespace simdjson</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// SIMDJSON_WESTMERE_SIMD_INPUT_H</span></div>
<div class="ttc" id="anamespacesimdjson_1_1_s_i_m_d_j_s_o_n___i_m_p_l_e_m_e_n_t_a_t_i_o_n_1_1ondemand_html_aab771b17058b0c93bdd0a8679c2c4d84"><div class="ttname"><a href="namespacesimdjson_1_1_s_i_m_d_j_s_o_n___i_m_p_l_e_m_e_n_t_a_t_i_o_n_1_1ondemand.html#aab771b17058b0c93bdd0a8679c2c4d84">simdjson::SIMDJSON_IMPLEMENTATION::ondemand::operator==</a></div><div class="ttdeci">simdjson_unused simdjson_inline bool operator==(const raw_json_string &amp;a, std::string_view c) noexcept</div><div class="ttdoc">Comparisons between raw_json_string and std::string_view instances are potentially unsafe: the user i...</div><div class="ttdef"><b>Definition:</b> <a href="raw__json__string-inl_8h_source.html#l00139">raw_json_string-inl.h:139</a></div></div>
<div class="ttc" id="anamespacesimdjson_html"><div class="ttname"><a href="namespacesimdjson.html">simdjson</a></div><div class="ttdoc">The top level simdjson namespace, containing everything the library provides.</div><div class="ttdef"><b>Definition:</b> <a href="arm64_2base_8h_source.html#l00008">base.h:8</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_49a0b2767ded4a45005c5d6720a18cd1.html">simdjson</a></li><li class="navelem"><a class="el" href="dir_0d145e48adcb2584d6aad0aa1d711d9e.html">westmere</a></li><li class="navelem"><b>simd.h</b></li>
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </li>
</ul>
</div>
</body>
</html>