public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "ldalessandro at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/97681] New: noinline attribute ignored on constexpr function Date: Mon, 02 Nov 2020 21:11:46 +0000 [thread overview] Message-ID: <bug-97681-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97681 Bug ID: 97681 Summary: noinline attribute ignored on constexpr function Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: ldalessandro at gmail dot com Target Milestone: --- GCC inlines function marked noinline when the function is marked as `constexpr`, even if it is not used in `constexpr` context. https://godbolt.org/z/b94Kje ``` [[gnu::noinline]] constexpr auto a() { return 1; } [[gnu::noinline]] auto b() { return 2; } int main() { int i = a(); int j = b(); return i + j; } ``` ``` b(): mov eax, 2 ret main: call b() add eax, 1 ret ```
next reply other threads:[~2020-11-02 21:11 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-02 21:11 ldalessandro at gmail dot com [this message] 2020-11-02 21:15 ` [Bug c++/97681] " jakub at gcc dot gnu.org 2020-11-02 21:17 ` ldalessandro at gmail dot com 2020-11-02 21:20 ` jakub at gcc dot gnu.org 2020-11-02 21:28 ` ldalessandro at gmail dot com 2020-11-02 22:42 ` ldalessandro at gmail dot com 2020-11-03 7:23 ` rguenth at gcc dot gnu.org 2020-11-03 9:47 ` jakub at gcc dot gnu.org 2021-11-29 2:05 ` pinskia at gcc dot gnu.org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-97681-4@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).