web/docs/group__pico__bit__ops.html

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 104 <div class="header">
 105   <div class="summary">
 106 <a href="#func-members">Functions</a>  </div>
 107   <div class="headertitle"><div class="title">pico_bit_ops<div class="ingroups"><a class="el" href="group__runtime.html">Runtime Infrastructure</a></div></div></div>
 108 </div><!--header-->
 109 <div class="contents">
 110
 111 <p>Optimized bit manipulation functions.
 112 <a href="#details">More...</a></p>
 113 <table class="memberdecls">
 114 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 115 Functions</h2></td></tr>
 116 <tr class="memitem:ga57349f36f6d8838074f3e6bc80e1fb51"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__bit__ops.html#ga57349f36f6d8838074f3e6bc80e1fb51">__rev</a> (uint32_t bits)</td></tr>
 117 <tr class="memdesc:ga57349f36f6d8838074f3e6bc80e1fb51"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reverse the bits in a 32 bit word.  <a href="group__pico__bit__ops.html#ga57349f36f6d8838074f3e6bc80e1fb51">More...</a><br /></td></tr>
 118 <tr class="separator:ga57349f36f6d8838074f3e6bc80e1fb51"><td class="memSeparator" colspan="2">&#160;</td></tr>
 119 <tr class="memitem:gac1a8a9f33a121962e66afe23952efd82"><td class="memItemLeft" align="right" valign="top">uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__pico__bit__ops.html#gac1a8a9f33a121962e66afe23952efd82">__revll</a> (uint64_t bits)</td></tr>
 120 <tr class="memdesc:gac1a8a9f33a121962e66afe23952efd82"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reverse the bits in a 64 bit double word.  <a href="group__pico__bit__ops.html#gac1a8a9f33a121962e66afe23952efd82">More...</a><br /></td></tr>
 121 <tr class="separator:gac1a8a9f33a121962e66afe23952efd82"><td class="memSeparator" colspan="2">&#160;</td></tr>
 122 </table>
 123 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 124 <p >Optimized bit manipulation functions. </p>
 125 <p >Additionally provides replacement implementations of the compiler built-ins __builtin_popcount, __builtin_clz and __bulitin_ctz </p>
 126 <h2 class="groupheader">Function Documentation</h2>
 127 <a id="ga57349f36f6d8838074f3e6bc80e1fb51" name="ga57349f36f6d8838074f3e6bc80e1fb51"></a>
 128 <h2 class="memtitle"><span class="permalink"><a href="#ga57349f36f6d8838074f3e6bc80e1fb51">&#9670;&nbsp;</a></span>__rev()</h2>
 129
 130 <div class="memitem">
 131 <div class="memproto">
 132       <table class="memname">
 133         <tr>
 134           <td class="memname">uint32_t __rev </td>
 135           <td>(</td>
 136           <td class="paramtype">uint32_t&#160;</td>
 137           <td class="paramname"><em>bits</em></td><td>)</td>
 138           <td></td>
 139         </tr>
 140       </table>
 141 </div><div class="memdoc">
 142
 143 <p>Reverse the bits in a 32 bit word. </p>
 144 <dl class="params"><dt>Parameters</dt><dd>
 145   <table class="params">
 146     <tr><td class="paramname">bits</td><td>32 bit input </td></tr>
 147   </table>
 148   </dd>
 149 </dl>
 150 <dl class="section return"><dt>Returns</dt><dd>the 32 input bits reversed </dd></dl>
 151
 152 </div>
 153 </div>
 154 <a id="gac1a8a9f33a121962e66afe23952efd82" name="gac1a8a9f33a121962e66afe23952efd82"></a>
 155 <h2 class="memtitle"><span class="permalink"><a href="#gac1a8a9f33a121962e66afe23952efd82">&#9670;&nbsp;</a></span>__revll()</h2>
 156
 157 <div class="memitem">
 158 <div class="memproto">
 159       <table class="memname">
 160         <tr>
 161           <td class="memname">uint64_t __revll </td>
 162           <td>(</td>
 163           <td class="paramtype">uint64_t&#160;</td>
 164           <td class="paramname"><em>bits</em></td><td>)</td>
 165           <td></td>
 166         </tr>
 167       </table>
 168 </div><div class="memdoc">
 169
 170 <p>Reverse the bits in a 64 bit double word. </p>
 171 <dl class="params"><dt>Parameters</dt><dd>
 172   <table class="params">
 173     <tr><td class="paramname">bits</td><td>64 bit input </td></tr>
 174   </table>
 175   </dd>
 176 </dl>
 177 <dl class="section return"><dt>Returns</dt><dd>the 64 input bits reversed </dd></dl>
 178
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 183
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