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<p class="MsoNormal"><span style="font-family:"Courier New";color:#44546A">Can cos() trap? We have a constrained intrinsic for it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#44546A"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Cameron McInally <cameron.mcinally@nyu.edu> <br>
<b>Sent:</b> Tuesday, October 02, 2018 3:18 PM<br>
<b>To:</b> Kevin Neal <Kevin.Neal@sas.com><br>
<b>Cc:</b> Sanjay Patel <spatel@rotateright.com>; LLVM Developers Mailing List <llvm-dev@lists.llvm.org><br>
<b>Subject:</b> Re: [llvm-dev] [FPEnv] FNEG instruction<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p><b><i><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:red">EXTERNAL</span></i></b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:red">
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<p class="MsoNormal">On Tue, Oct 2, 2018 at 12:09 PM Kevin Neal <<a href="mailto:Kevin.Neal@sas.com">Kevin.Neal@sas.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New";color:#44546A">If we don’t have constrained intrinsics for some of the fp math instructions then aren’t we risking non-strict optimizations?</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">So far we've only added constrained FP intrinsics for operations that have side effects (i.e. can trap). <span style="color:#44546A"><o:p></o:p></span></p>
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