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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/103393] [12 Regression] Generating 256bit register
 usage with -mprefer-avx128 -mprefer-vector-width=128
Date: Fri, 26 Nov 2021 11:48:38 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103393

--- Comment #18 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
No.  Generic vectors need to work too.  And those always do use the standard
optabs.=