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From: "hiraditya at msn dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/111806] g++ generates better code for variant<string, bool> at -Os compared to -O3 Date: Sat, 14 Oct 2023 06:05:35 +0000 [thread overview] Message-ID: <bug-111806-4-rQPzZACbck@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-111806-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111806 --- Comment #1 from AK <hiraditya at msn dot com> --- It seems like we could 'sink' the 4 common instructions (of .L2) at -O3 L2: add rsp, 48 xor eax, eax pop rbx ret Or is it due to some kind of tail duplication?
next prev parent reply other threads:[~2023-10-14 6:05 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-10-14 6:02 [Bug c++/111806] New: " hiraditya at msn dot com 2023-10-14 6:05 ` hiraditya at msn dot com [this message] 2023-10-14 15:27 ` [Bug middle-end/111806] " pinskia at gcc dot gnu.org
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