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<div id="projectname">simdjson
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 <span id="projectnumber">3.1.5</span>
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<div class="title">isadetection.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* From</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">https://github.com/endorno/pytorch/blob/master/torch/lib/TH/generic/simd/simd.h</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">Highly modified.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">Copyright (c) 2016- Facebook, Inc (Adam Paszke)</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">Copyright (c) 2014- Facebook, Inc (Soumith Chintala)</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">Copyright (c) 2011-2014 Idiap Research Institute (Ronan Collobert)</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">Copyright (c) 2012-2014 Deepmind Technologies (Koray Kavukcuoglu)</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">Copyright (c) 2011-2012 NEC Laboratories America (Koray Kavukcuoglu)</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">Copyright (c) 2011-2013 NYU (Clement Farabet)</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">Copyright (c) 2006-2010 NEC Laboratories America (Ronan Collobert, Leon Bottou,</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">Iain Melvin, Jason Weston) Copyright (c) 2006 Idiap Research Institute</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">(Samy Bengio) Copyright (c) 2001-2004 Idiap Research Institute (Ronan Collobert,</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">Samy Bengio, Johnny Mariethoz)</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">All rights reserved.</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">Redistribution and use in source and binary forms, with or without</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">modification, are permitted provided that the following conditions are met:</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">1. Redistributions of source code must retain the above copyright</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> notice, this list of conditions and the following disclaimer.</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">2. Redistributions in binary form must reproduce the above copyright</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> notice, this list of conditions and the following disclaimer in the</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> documentation and/or other materials provided with the distribution.</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">3. Neither the names of Facebook, Deepmind Technologies, NYU, NEC Laboratories</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">America and IDIAP Research Institute nor the names of its contributors may be</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> used to endorse or promote products derived from this software without</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> specific prior written permission.</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span> </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">POSSIBILITY OF SUCH DAMAGE.</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#ifndef SIMDJSON_INTERNAL_ISADETECTION_H</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#define SIMDJSON_INTERNAL_ISADETECTION_H</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <cstdint></span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <cstdlib></span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#if defined(_MSC_VER)</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <intrin.h></span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#elif defined(HAVE_GCC_GET_CPUID) && defined(USE_GCC_GET_CPUID)</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include <cpuid.h></span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">namespace </span><a class="code" href="namespacesimdjson.html">simdjson</a> {</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">namespace </span>internal {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">enum</span> instruction_set {</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  DEFAULT = 0x0,</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  NEON = 0x1,</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  AVX2 = 0x4,</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  SSE42 = 0x8,</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  PCLMULQDQ = 0x10,</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  BMI1 = 0x20,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  BMI2 = 0x40,</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  ALTIVEC = 0x80,</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  AVX512F = 0x100,</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  AVX512DQ = 0x200,</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  AVX512IFMA = 0x400,</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  AVX512PF = 0x800,</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  AVX512ER = 0x1000,</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  AVX512CD = 0x2000,</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  AVX512BW = 0x4000,</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  AVX512VL = 0x8000,</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  AVX512VBMI2 = 0x10000</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> };</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#if defined(__PPC64__)</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">static</span> <span class="keyword">inline</span> uint32_t detect_supported_architectures() {</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> instruction_set::ALTIVEC;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> }</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#elif defined(__aarch64__) || defined(_M_ARM64)</span></div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">static</span> <span class="keyword">inline</span> uint32_t detect_supported_architectures() {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> instruction_set::NEON;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#elif defined(__x86_64__) || defined(_M_AMD64) </span><span class="comment">// x64</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">// Can be found on Intel ISA Reference for CPUID</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> constexpr uint32_t cpuid_avx2_bit = 1 << 5; </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> constexpr uint32_t cpuid_bmi1_bit = 1 << 3; </div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> constexpr uint32_t cpuid_bmi2_bit = 1 << 8; </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> constexpr uint32_t cpuid_avx512f_bit = 1 << 16; </div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> constexpr uint32_t cpuid_avx512dq_bit = 1 << 17; </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> constexpr uint32_t cpuid_avx512ifma_bit = 1 << 21; </div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> constexpr uint32_t cpuid_avx512pf_bit = 1 << 26; </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> constexpr uint32_t cpuid_avx512er_bit = 1 << 27; </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> constexpr uint32_t cpuid_avx512cd_bit = 1 << 28; </div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> constexpr uint32_t cpuid_avx512bw_bit = 1 << 30; </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> constexpr uint32_t cpuid_avx512vl_bit = 1U << 31; </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> constexpr uint32_t cpuid_avx512vbmi2_bit = 1 << 6; </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> constexpr uint32_t cpuid_sse42_bit = 1 << 20; </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> constexpr uint32_t cpuid_pclmulqdq_bit = 1 << 1; </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> cpuid(uint32_t *eax, uint32_t *ebx, uint32_t *ecx,</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  uint32_t *edx) {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">#if defined(_MSC_VER)</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">int</span> cpu_info[4];</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  __cpuid(cpu_info, *eax);</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  *eax = cpu_info[0];</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  *ebx = cpu_info[1];</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  *ecx = cpu_info[2];</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  *edx = cpu_info[3];</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#elif defined(HAVE_GCC_GET_CPUID) && defined(USE_GCC_GET_CPUID)</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  uint32_t level = *eax;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  __get_cpuid(level, eax, ebx, ecx, edx);</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#else</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  uint32_t a = *eax, b, c = *ecx, d;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span>(<span class="stringliteral">"cpuid\n\t"</span> : <span class="stringliteral">"+a"</span>(a), <span class="stringliteral">"=b"</span>(b), <span class="stringliteral">"+c"</span>(c), <span class="stringliteral">"=d"</span>(d));</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  *eax = a;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  *ebx = b;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  *ecx = c;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  *edx = d;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">static</span> <span class="keyword">inline</span> uint32_t detect_supported_architectures() {</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  uint32_t eax, ebx, ecx, edx;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  uint32_t host_isa = 0x0;</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  </div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// ECX for EAX=0x7</span></div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  eax = 0x7;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  ecx = 0x0;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  cpuid(&eax, &ebx, &ecx, &edx);</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (ebx & cpuid_avx2_bit) {</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  host_isa |= instruction_set::AVX2;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (ebx & cpuid_bmi1_bit) {</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  host_isa |= instruction_set::BMI1;</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (ebx & cpuid_bmi2_bit) {</div>
|
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  host_isa |= instruction_set::BMI2;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (ebx & cpuid_avx512f_bit) {</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  host_isa |= instruction_set::AVX512F;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (ebx & cpuid_avx512dq_bit) {</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  host_isa |= instruction_set::AVX512DQ;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (ebx & cpuid_avx512ifma_bit) {</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  host_isa |= instruction_set::AVX512IFMA;</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  </div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (ebx & cpuid_avx512pf_bit) {</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  host_isa |= instruction_set::AVX512PF;</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (ebx & cpuid_avx512er_bit) {</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  host_isa |= instruction_set::AVX512ER;</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> (ebx & cpuid_avx512cd_bit) {</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  host_isa |= instruction_set::AVX512CD;</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (ebx & cpuid_avx512bw_bit) {</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  host_isa |= instruction_set::AVX512BW;</div>
|
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
|
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  </div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (ebx & cpuid_avx512vl_bit) {</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  host_isa |= instruction_set::AVX512VL;</div>
|
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
|
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (ecx & cpuid_avx512vbmi2_bit) {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  host_isa |= instruction_set::AVX512VBMI2;</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div>
|
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
|
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// EBX for EAX=0x1</span></div>
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|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  eax = 0x1;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  cpuid(&eax, &ebx, &ecx, &edx);</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (ecx & cpuid_sse42_bit) {</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  host_isa |= instruction_set::SSE42;</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> (ecx & cpuid_pclmulqdq_bit) {</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  host_isa |= instruction_set::PCLMULQDQ;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span> host_isa;</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> }</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#else </span><span class="comment">// fallback</span></div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="keyword">static</span> <span class="keyword">inline</span> uint32_t detect_supported_architectures() {</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> instruction_set::DEFAULT;</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> }</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  </div>
|
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor">#endif </span><span class="comment">// end SIMD extension detection code</span></div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> } <span class="comment">// namespace internal</span></div>
|
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> } <span class="comment">// namespace simdjson</span></div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
|
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#endif </span><span class="comment">// SIMDJSON_INTERNAL_ISADETECTION_H</span></div>
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<div class="ttc" id="anamespacesimdjson_html"><div class="ttname"><a href="namespacesimdjson.html">simdjson</a></div><div class="ttdoc">We want to support argument-dependent lookup (ADL).</div><div class="ttdef"><b>Definition:</b> <a href="arm64_2bitmanipulation_8h_source.html#l00004">bitmanipulation.h:4</a></div></div>
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