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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/109960] [10/11/12/13/14 Regression] missing
 combining of `(a&1) != 0 || (a&2)!=0` into `(a&3)!=0`
Date: Thu, 25 May 2023 00:45:15 +0000
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X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: missed-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109960

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
We could have a pattern that does:

`(a & CST) !=3D 0 ? 1: (bool)a` -> `a & (CST|1) !=3D 0` to fix this I think=
.=