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From: "liuhongt at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/115406] [15 Regression] wrong code with vector compare
 at -O0 with -mavx512f since r15-920-gb6c6d5abf0d31c
Date: Tue, 11 Jun 2024 03:39:58 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D115406

--- Comment #4 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---

>=20
> and for _2 =3D VIEW_CONVERT_EXPR<vector(1) signed char>(_1); we explicitly
> clear the upper bits due to PR113576, and then we get 1 hit the abort.
It's not VIEW_CONVERT_EXPR clear the uppper bits, but _1 =3D { -1 };=