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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/101591] (a|b) ==/!= a -> (b & ~a) ==/!= 0 on
 gimple
Date: Tue, 27 Jul 2021 20:02:46 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101591

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |DUPLICATE
             Status|ASSIGNED                    |RESOLVED

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #4)
> Not sure if it is cheaper - it's one more operation on GIMPLE so (a|b) =
=3D=3D a
> looks more canonical?

I agree.
I filed the constant one as PR 101650 after not realizing I filed this one
already too :).

So this is a dup of bug 101650 really :).

*** This bug has been marked as a duplicate of bug 101650 ***=