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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://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 1.8.14"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Ruby: sparc.c 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="../../doxygen.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="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Ruby  <span id="projectnumber">1.9.3p551(2014-11-13revision48407)</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.14 --> <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&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('../../',false,false,'search.php','Search'); }); /* @license-end */</script> <div id="main-nav"></div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">sparc.c</div> </div> </div><!--header--> <div class="contents"> <a href="../../d6/d8a/sparc_8c.html">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"> Flush register windows on sparc.</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"> This function is in a separate file to prevent inlining. The "flushw"</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> assembler instruction used on sparcv9 flushes all register windows</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> except the current one, so if it is inlined, the current register</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> window of the process executing the instruction will not be flushed</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> correctly.</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> See http://bugs.ruby-lang.org/issues/5244 for discussion.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">*********************************************************************/</span></div><div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="../../d6/d8a/sparc_8c.html#aca6c0d3f9a92971386e0041de1cb0993"> 12</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d6/d8a/sparc_8c.html#aca6c0d3f9a92971386e0041de1cb0993">rb_sparc_flush_register_windows</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> {</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keyword">asm</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifdef __GNUC__</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  __volatile__</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">/* This condition should be in sync with one in configure.in */</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#if defined(__sparcv9) || defined(__sparc_v9__) || defined(__arch64__)</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"># ifdef __GNUC__</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  (<span class="stringliteral">"flushw"</span> : : : <span class="stringliteral">"%o7"</span>)</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> # <span class="keywordflow">else</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  (<span class="stringliteral">"flushw"</span>)</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"># endif </span><span class="comment">/* __GNUC__ */</span><span class="preprocessor"></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  (<span class="stringliteral">"ta 0x03"</span>)</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> #endif</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  ;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> }</div><div class="ttc" id="sparc_8c_html_aca6c0d3f9a92971386e0041de1cb0993"><div class="ttname"><a href="../../d6/d8a/sparc_8c.html#aca6c0d3f9a92971386e0041de1cb0993">rb_sparc_flush_register_windows</a></div><div class="ttdeci">void rb_sparc_flush_register_windows(void)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d8a/sparc_8c_source.html#l00012">sparc.c:12</a></div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="../../doxygen.png" alt="doxygen"/> </a> 1.8.14 </small></address> </body> </html>
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