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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">I’ll be happy to run it for you. Do you want Intel64, x86 or both? The Intel compiler doesn’t have a –Oz option. It has –Os and –O[123].<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Also, FWIW, one of the Intel compiler experts on BT will comment on this thread, and on our rules for BT usage later this afternoon.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Kevin B. Smith<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<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""> llvmdev-bounces@cs.uiuc.edu [mailto:llvmdev-bounces@cs.uiuc.edu]
<b>On Behalf Of </b>Chris Sears<br>
<b>Sent:</b> Friday, January 23, 2015 9:37 AM<br>
<b>To:</b> Stephen Canon<br>
<b>Cc:</b> LLVM Developers Mailing List<br>
<b>Subject:</b> Re: [LLVMdev] X86TargetLowering::LowerToBT<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">Constant mask case.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">Sanjay, could you run this through the Intel compiler with the appropriate flags?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">They have an -O2 but I couldn't find an equivalent -Oz.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">For LLVM, it generates BTQ for testing bits 32-63.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.5pt"><o:p> </o:p></span></p>
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