I'm curious: is this actually how one is meant to floor/ceil on SSE2? For that much work, couldn't you set MXCSR? http://dss.stephanierct.com/DevBlog/?p=8
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@cmuratori Careful, on a machine that ONLY has SSE2, MXCSR has a very different performance to a modern core (where you'd use SSE4) -
@cmuratori I don't remember exactly when they started renaming MXCSR. Maybe Agner knows?
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