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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/114523] bpf: ssa-phiopt optimization generates
 unverifiable code.
Date: Thu, 28 Mar 2024 19:31:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114523

--- Comment #11 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The bpf verifier is just plain broken when it comes to subreg usage. So aft=
er
every 32bit usage you need to output a zero extend. To fix that.=