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<p class="MsoNormal">Hi Arnold,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The attached patch enables floating-point subtraction reductions in fast-math mode.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m not sure why it wasn’t enabled before – the logic seems sound and I can’t find any FP math pitfalls.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This, coupled with making the loop vectorizer run before SLP, should give us about 10% in sphinx3 in SPEC.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cheers,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">James<o:p></o:p></p>
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