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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/59739] missed optimization: attribute ((pure)) with aggregate returns Date: Tue, 09 Apr 2024 07:07:58 +0000 [thread overview] Message-ID: <bug-59739-4-6FbOtEmzt3@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-59739-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59739 --- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- From PR 108635 (via PR 45115), a C++20 testcase where we should be able to optimize into one call of `operator<=>`: #include <compare> struct S { std::weak_ordering operator<=>(const S&) const __attribute__((const)); }; int compare3way(S& a, S& b) { return (a < b) ? -1 : (a > b) ? 1 : 0; }
prev parent reply other threads:[~2024-04-09 7:08 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-01-09 16:43 [Bug c++/59739] New: missed optimization: attribute ((pure)) could be honored more often joerg.richter@pdv-fs.de 2014-01-15 16:16 ` [Bug c++/59739] " joerg.richter@pdv-fs.de 2015-03-19 9:19 ` paolo.carlini at oracle dot com 2015-03-19 22:11 ` hubicka at gcc dot gnu.org 2015-03-20 10:58 ` [Bug c++/59739] missed optimization: attribute ((pure)) with aggregate returns rguenth at gcc dot gnu.org 2021-12-20 20:28 ` pinskia at gcc dot gnu.org 2024-04-09 7:06 ` pinskia at gcc dot gnu.org 2024-04-09 7:07 ` pinskia at gcc dot gnu.org [this message]
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