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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/103660] Sub-optimal code with relational operators Date: Wed, 23 Aug 2023 03:45:01 +0000 [thread overview] Message-ID: <bug-103660-4-dOoCV2tfDH@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-103660-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103660 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot gnu.org --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Actually: ``` (for (op plus bit_ior bit_xor) (simplify (op (cond @0 @1 integer_zero_p) (cond @2 @3 integer_zero_p)) (with { bool wascmp; } (if (bitwise_inverted_equal_p (@0, @2, wascmp)) (cond @0 @1 @3) ) ) ) ) ``` Should fix this. Well that replaces the pattern that was added in r13-4620-g4d9db4bdd458 and extends it to for plus and bit_xor.
next prev parent reply other threads:[~2023-08-23 3:45 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-11 13:14 [Bug c/103660] New: " david at westcontrol dot com 2021-12-12 23:58 ` [Bug tree-optimization/103660] " pinskia at gcc dot gnu.org 2023-08-23 3:45 ` pinskia at gcc dot gnu.org [this message] 2023-08-23 4:45 ` pinskia at gcc dot gnu.org 2023-08-23 4:49 ` pinskia at gcc dot gnu.org
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