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From: "glisse at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/100929] gcc fails to optimize less to min for SIMD code
Date: Mon, 07 Jun 2021 06:02:36 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100929

--- Comment #4 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Denis Yaroshevskiy from comment #3)
> Is what @Andrew Pinski copied enough?

I think so (it is missing the command line), although one example with an
integer type could also help in case floats turn out to have a different is=
sue.

> -ftrapping-math causes clang to stop doing this optimisation.

Note that -ftrapping-math is on by default with gcc (PR 54192), but
-fno-trapping-math wouldn't solve your problem, we are missing other things=
.=