<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Oct 27, 2014 at 7:40 PM, Richard Smith <span dir="ltr"><<a href="mailto:richard@metafoo.co.uk" target="_blank">richard@metafoo.co.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><span class="">On Mon, Oct 27, 2014 at 7:09 PM, Sean Silva <span dir="ltr"><<a href="mailto:chisophugis@gmail.com" target="_blank">chisophugis@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote"><span>On Mon, Oct 27, 2014 at 6:16 PM, Robinson, Paul <span dir="ltr"><<a href="mailto:Paul_Robinson@playstation.sony.com" target="_blank">Paul_Robinson@playstation.sony.com</a>></span> 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"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I don't know about Mac, but on my Ubuntu, Intrin.h shows up in the expected place:<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">~/projects/upstream/writeable/obj$ find . -name Intrin.h<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">./Debug+Asserts/lib/clang/3.6.0/include/Intrin.h<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">./Debug+Asserts/lib/clang/3.5.0/include/Intrin.h<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">./Debug+Asserts/lib/clang/3.4/include/Intrin.h<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">./Debug+Asserts/lib/clang/3.5/include/Intrin.h</span></p></div></div></blockquote><div><br></div></span><div>I presume that isn't where existing software for those platforms looks for them.</div></div></div></div></blockquote><div><br></div></span><div>It is, but they do nothing but #include_next the next Intrin.h if you're not targeting win32, so they act as if they don't exist.</div></div></div></div></blockquote><div><br></div><div>Why do they do that?</div><div><br></div><div>-- Sean Silva</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><span><font color="#888888"><div>-- Sean Silva</div></font></span><span><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u><u></u></span></p>
<p class="MsoNormal"><a name="14954a05942ab327_149549de75e26ee1_14954537bdf68e29__MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></a></p>
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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""> Chandler Carruth [mailto:<a href="mailto:chandlerc@google.com" target="_blank">chandlerc@google.com</a>]
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<b>Sent:</b> Monday, October 27, 2014 5:17 PM<br>
<b>To:</b> Robinson, Paul<br>
<b>Cc:</b> Sean Silva; <a href="mailto:cfe-commits@cs.uiuc.edu" target="_blank">cfe-commits@cs.uiuc.edu</a><span><br>
<b>Subject:</b> Re: [PATCH][X86] __builtin_ctz/clz sometimed defined for zero input<u></u><u></u></span></span></p>
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<p class="MsoNormal">On Mon, Oct 27, 2014 at 5:02 PM, Robinson, Paul <<a href="mailto:Paul_Robinson@playstation.sony.com" target="_blank">Paul_Robinson@playstation.sony.com</a>> wrote:<u></u><u></u></p><div><div>
<p class="MsoNormal">That makes lzcntintrin.h completely pointless. They'd just be alternate names for the functions in Intrin.h.<u></u><u></u></p>
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If those names need to be supported for compatibility and portability then it still seems to have a point.<u></u><u></u></p>
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<p class="MsoNormal">Note that Intrin.h doesn't exist on Linux or Mac.<u></u><u></u></p>
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