<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 17, 2016 at 4:48 PM, Justin Lebar via llvm-commits <span dir="ltr"><<a href="mailto:llvm-commits@lists.llvm.org" target="_blank">llvm-commits@lists.llvm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">jlebar added a comment.<br>
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Justin Bogner wrote in an email to the list:<br>
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> I'm a bit less comfortable with this change than I was with the other<br>
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> one - it's more of a straight performance hack this way, whereas the<br>
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> other way fit better in a future where target-specific intrinsics are<br>
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> more of a first class idea.<br>
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> I'll let others comment on whether or not this is worth it as a<br>
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> hopefully temporary thing for the performance gain in the short term.<br>
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</span>Anyone else want to chime in here? To me it seems like a relatively simple change that gets us a substantial win,</blockquote><div><br></div><div>Sorry if I missed it, but do you have perf measurements posted somewhere?</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"> but I hear Justin B.'s position as well.<br>
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<a href="https://reviews.llvm.org/D22949" rel="noreferrer" target="_blank">https://reviews.llvm.org/<wbr>D22949</a><br>
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