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...lm of pattern-matching. > > The inverse form (always propagating NaNs) is not widely natively > supported. > > I think AArch64 *might* have it? > It does. In fact, even armv7 has a NaN-propagating min/max: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0489i/CIHDEEBE.html -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20140912/932d64f4/attachment.html>

> On Sep 12, 2014, at 10:27 AM, Dan Gohman <dan433584 at gmail.com> wrote: > > > More generally, I don’t see a compelling reason for LLVM to add intrinsic support for the version you’re proposing. Your choice can easily be expanded into IR, and does not have the wide hardware support (particularly in GPUs) that the IEEE version does. > > The IEEE version can also be