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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 [thread overview]
Message-ID: <bug-101591-4-uYSCHFnGCd@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-101591-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101591
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) == 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 ***
prev parent reply other threads:[~2021-07-27 20:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-23 4:02 [Bug tree-optimization/101591] New: " pinskia at gcc dot gnu.org
2021-07-23 4:02 ` [Bug tree-optimization/101591] " pinskia at gcc dot gnu.org
2021-07-23 4:08 ` pinskia at gcc dot gnu.org
2021-07-23 4:15 ` pinskia at gcc dot gnu.org
2021-07-27 10:36 ` rguenth at gcc dot gnu.org
2021-07-27 20:02 ` pinskia at gcc dot gnu.org [this message]
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