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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/103850] missed optimization in AVX code
Date: Tue, 28 Dec 2021 10:24:52 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103850

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is due to not scheduling on x86 before register allocation.
Adding -fschedule-insns seems to get the slow kernel to be the same speed as
the fast kernel.=