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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/111364] `MAX_EXPR<a, b> <= a` is not optimized to `a >= b`
Date: Tue, 12 Sep 2023 00:36:06 +0000 [thread overview]
Message-ID: <bug-111364-4-QVTCdVlHfl@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-111364-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111364
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
diff --git a/gcc/match.pd b/gcc/match.pd
index 51985c1bad4..bf49c167792 100644
--- a/gcc/match.pd
+++ b/gcc/match.pd
@@ -3902,9 +3902,9 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
(maxmin @0 (bit_not @1))))
/* MIN (X, Y) == X -> X <= Y */
-(for minmax (min min max max)
- cmp (eq ne eq ne )
- out (le gt ge lt )
+(for minmax (min min min min max max max max)
+ cmp (eq ne lt ge eq ne gt le )
+ out (le gt gt le ge lt lt ge )
(simplify
(cmp:c (minmax:c @0 @1) @0)
(if (ANY_INTEGRAL_TYPE_P (TREE_TYPE (@0)))
next prev parent reply other threads:[~2023-09-12 0:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-10 21:11 [Bug tree-optimization/111364] New: " pinskia at gcc dot gnu.org
2023-09-10 21:11 ` [Bug tree-optimization/111364] " pinskia at gcc dot gnu.org
2023-09-12 0:14 ` pinskia at gcc dot gnu.org
2023-09-12 0:36 ` pinskia at gcc dot gnu.org [this message]
2023-09-12 0:36 ` pinskia at gcc dot gnu.org
2023-09-12 5:36 ` pinskia at gcc dot gnu.org
2023-09-12 15:40 ` pinskia at gcc dot gnu.org
2023-09-13 12:07 ` cvs-commit at gcc dot gnu.org
2023-09-13 12:08 ` pinskia at gcc dot gnu.org
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