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From: "guihaoc at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/105414] constant folding for fmin/max(snan,
 snan) is wrong
Date: Thu, 28 Apr 2022 08:10:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105414

--- Comment #6 from HaoChen Gui <guihaoc at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #4)
> I think you want
>=20
>  (if (!tree_expr_maybe_signaling_nan_p (@0))
> ...
>=20
> instead.

Thanks so much for comments. Do we have a way to return a NaN directly in
match.pd when both arguments are sNaN?=