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From: "terra at gnome dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/102725] -fno-builtin leads to call of strlen since r12-4283-g6f966f06146be768 Date: Sat, 03 Jun 2023 01:56:48 +0000 [thread overview] Message-ID: <bug-102725-4-6R2pM5vCTu@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-102725-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102725 M Welinder <terra at gnome dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |terra at gnome dot org --- Comment #10 from M Welinder <terra at gnome dot org> --- mystrlen and strlen are not equivalent, so gcc is wrong in turning the former into a call of the latter. Specifically: mystrlen preserves errno, strlen need not do that. (C99 section 7.5 item 3.) (Repeating the comment from over in bug 56888.)
next prev parent reply other threads:[~2023-06-03 1:56 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-13 8:18 [Bug tree-optimization/102725] New: [12 Regression] " marxin at gcc dot gnu.org 2021-10-13 8:31 ` [Bug tree-optimization/102725] " pinskia at gcc dot gnu.org 2021-10-13 8:38 ` [Bug tree-optimization/102725] " marxin at gcc dot gnu.org 2021-10-13 8:46 ` pinskia at gcc dot gnu.org 2021-10-13 11:36 ` rguenth at gcc dot gnu.org 2021-12-29 13:11 ` marxin at gcc dot gnu.org 2022-07-18 22:44 ` pinskia at gcc dot gnu.org 2023-02-08 17:45 ` pinskia at gcc dot gnu.org 2023-06-03 0:42 ` vincent.riviere at freesbee dot fr 2023-06-03 1:16 ` pinskia at gcc dot gnu.org 2023-06-03 1:56 ` terra at gnome dot org [this message] 2023-12-17 17:58 ` pinskia at gcc dot gnu.org 2023-12-17 19:56 ` gjl at gcc dot gnu.org
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