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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/111972] [14 regression] missed vectorzation
 for bool a = j != 1; j = (long int)a;
Date: Fri, 27 Oct 2023 06:11:27 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111972

--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #8)
> These should work:
>=20
> (simplify
>  (convert (eq one_zero_valued_p@1 one_zero_valued_p@2))
>  (if (types_match (type, TREE_TYPE (@1)))
>   (bit_xor @1 (bit_xor! @2 { build_one_cst (type); }))))
>=20
> (simplify
>  (convert (ne one_zero_valued_p@1 one_zero_valued_p@2))
>  (if (types_match (type, TREE_TYPE (@1)))
>   (bit_xor @1 @2})))
>=20
>=20
> Will test tomorrow.

Maybe we don't need the types_match either ...
But then we need a convert. That would fix PR 110637 too.=