I believe it's failing on 64-bit because that's a 32-bit indirect jump. 64-bit needs jmp *%rdx.<span></span><br><br>On Wednesday, November 14, 2012, Shaltiel, Alon  wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">






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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Shaltiel, Alon
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<b>Sent:</b> Wednesday, November 14, 2012 11:39 AM<br>
<b>To:</b> '<a href="javascript:_e({}, 'cvml', 'llvmdev@cs.uiuc.edu');" target="_blank">llvmdev@cs.uiuc.edu</a>'<br>
<b>Subject:</b> Clang error - CPU feature not currently enabled<u></u><u></u></span></p>
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<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">Hello,</span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">I’m trying to use clang to compile a file on Mac OS (x86_64) and get the following error.</span><u></u><u></u></p>

<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif""> </span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:28.3pt;text-autospace:none"><span style="font-family:"Helvetica","sans-serif""><inline asm>:4:2: error: instruction requires a CPU feature not currently enabled</span><u></u><u></u></p>

<p class="MsoNormal" style="margin-left:28.3pt;text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">        jmp *%edx
</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:28.3pt;text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">        ^</span><u></u><u></u></p>
<p class="MsoNormal" style="margin-left:28.3pt;text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">fatal error: error in backend: Error parsing inline asm</span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif""> </span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">This file
<i>does</i> compile on an Ubuntu 32bit machine</span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif""> </span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">I checked on google and didn’t find anything helpful about it.</span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">Does anyone know what CPU feature this instruction requires?</span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif""> </span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">Thanks,</span><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-family:"Helvetica","sans-serif"">Alon<span style="color:#1f497d"><u></u><u></u></span></span></p>
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<p class="MsoNormal" style="text-autospace:none"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">PS<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Sorry for the Subject mistake in the last email<u></u><u></u></span></p>

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</blockquote><br><br>-- <br>~Craig<br>