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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/109901] Optimization opportunity: ((((a) > (b)) - ((a) < (b))) < 0) -> ((a) < (b))
Date: Thu, 18 May 2023 01:12:54 +0000 [thread overview]
Message-ID: <bug-109901-4-jp4Pi8rqKd@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-109901-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109901
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #3)
> (In reply to Andrew Pinski from comment #1)
> > bool0 - bool1 == 0 -> !bool0 & !bool1 -> !(bool0 | bool1)
> Sorry I messed this one up:
> bool0 - bool1 == 0 -> (bool0 & bool1) | (!bool0 & !bool1)
or rather just bool0 == bool1
next prev parent reply other threads:[~2023-05-18 1:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-18 0:43 [Bug middle-end/109901] New: " richard.yao at alumni dot stonybrook.edu
2023-05-18 0:56 ` [Bug tree-optimization/109901] " pinskia at gcc dot gnu.org
2023-05-18 1:07 ` pinskia at gcc dot gnu.org
2023-05-18 1:08 ` pinskia at gcc dot gnu.org
2023-05-18 1:11 ` pinskia at gcc dot gnu.org
2023-05-18 1:12 ` pinskia at gcc dot gnu.org [this message]
2023-05-18 1:13 ` pinskia at gcc dot gnu.org
2023-05-18 1:43 ` richard.yao at alumni dot stonybrook.edu
2023-05-18 4:12 ` richard.yao at alumni dot stonybrook.edu
2023-05-27 3:33 ` richard.yao at alumni dot stonybrook.edu
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