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| 103 | <a href="asmlib_8hpp.xhtml">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2017-2018 ARM Limited.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * SPDX-License-Identifier: MIT</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of this software and associated documentation files (the "Software"), to</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * deal in the Software without restriction, including without limitation the</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * sell copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * copies or substantial portions of the Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#ifdef __aarch64__</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Macro to use in assembler to get a preload. Needed because of various</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// workarounds needed to get working preload behaviour.</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">//</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Code using these macros needs to clobber x20 and x21 as they might be</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// used by the workaround.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// "Correct" version</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#define ASM_PREFETCH(address) "PRFM PLDL1KEEP, " address "\n"</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#define ASM_PREFETCHL2(address) "PRFM PLDL2KEEP, " address "\n"</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#define ASM_PREFETCHW(address) "PRFM PSTL1KEEP, " address "\n"</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define ASM_PREFETCHWL2(address) "PRFM PSTL2KEEP, " address "\n"</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// Lee's uarchsim hack</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">//#define ASM_PREFETCH(address) "LDNP x20, x21, " address "\n"</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// No preload at all</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">//#define ASM_PREFETCH(address) ""</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// "Correct" versions for AArch32</span></div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8"> 47</a></span> <span class="preprocessor">#define ASM_PREFETCH(address) "PLD " address "\n"</span></div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="asmlib_8hpp.xhtml#a262a34c328c613ca472b4a07450cd259"> 48</a></span> <span class="preprocessor">#define ASM_PREFETCHW(address) "PLDW " address "\n"</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/*</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * Do some prefetches.</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> */</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> prefetch_6x(<span class="keyword">const</span> T *pfp) {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  __asm __volatile (</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp]]"</span>)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #64]"</span>)</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #128]"</span>)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #192]"</span>)</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #256]"</span>)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #320]"</span>)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  :</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  : [pfp] <span class="stringliteral">"r"</span> (pfp)</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  : <span class="stringliteral">"memory"</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  );</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> prefetch_5x(<span class="keyword">const</span> T *pfp) {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  __asm __volatile (</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp]]"</span>)</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #64]"</span>)</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #128]"</span>)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #192]"</span>)</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #256]"</span>)</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  :</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  : [pfp] <span class="stringliteral">"r"</span> (pfp)</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  : <span class="stringliteral">"memory"</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  );</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> prefetch_4x(<span class="keyword">const</span> T *pfp) {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  __asm __volatile (</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp]]"</span>)</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #64]"</span>)</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #128]"</span>)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #192]"</span>)</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  :</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  : [pfp] <span class="stringliteral">"r"</span> (pfp)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  : <span class="stringliteral">"memory"</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  );</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> prefetch_3x(<span class="keyword">const</span> T *pfp) {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  __asm __volatile (</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp]]"</span>)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #64]"</span>)</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #128]"</span>)</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  :</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  : [pfp] <span class="stringliteral">"r"</span> (pfp)</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  : <span class="stringliteral">"memory"</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  );</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> prefetch_2x(<span class="keyword">const</span> T *pfp) {</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  __asm __volatile (</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp]]"</span>)</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp], #64]"</span>)</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  :</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  : [pfp] <span class="stringliteral">"r"</span> (pfp)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  : <span class="stringliteral">"memory"</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  );</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> prefetch_1x(<span class="keyword">const</span> T *pfp) {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  __asm __volatile (</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a>(<span class="stringliteral">"[%[pfp]]"</span>)</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  :</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  : [pfp] <span class="stringliteral">"r"</span> (pfp)</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  : <span class="stringliteral">"memory"</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  );</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="ttc" id="asmlib_8hpp_xhtml_aaca0205a239e6ef80e4e2788837579e8"><div class="ttname"><a href="asmlib_8hpp.xhtml#aaca0205a239e6ef80e4e2788837579e8">ASM_PREFETCH</a></div><div class="ttdeci">#define ASM_PREFETCH(address)</div><div class="ttdef"><b>Definition:</b> <a href="asmlib_8hpp_source.xhtml#l00047">asmlib.hpp:47</a></div></div> |
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| Jenkins | 4ba87db | 2019-05-23 17:11:51 +0100 | [diff] [blame^] | 110 | <li class="footer">Generated on Thu May 23 2019 17:11:20 for Compute Library by |
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