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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/94892] (x >> 31) + 1 not getting narrowed to
 compare
Date: Sun, 28 May 2023 23:15:43 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94892

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #6)
> Two things we should simplify:
>   _4 =3D _3 >> 31;
>   _4 !=3D -1
>=20
> Into:
>   _3 >=3D 0 (if _3 is signed, otherwise false)
>=20
> (this will solve f0)

See bug 85234 comment #5 on handle that one (g and g2).=