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From: "gabravier at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/97743] New: Failure to optimize boolean multiplication to select Date: Fri, 06 Nov 2020 10:58:55 +0000 [thread overview] Message-ID: <bug-97743-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97743 Bug ID: 97743 Summary: Failure to optimize boolean multiplication to select Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: gabravier at gmail dot com Target Milestone: --- int f(bool b) { return b * 743; } This can be optimized to `return b ? 743 : 0;`. This optimization is done by LLVM, but not GCC.
next reply other threads:[~2020-11-06 10:58 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-06 10:58 gabravier at gmail dot com [this message] 2020-11-06 11:03 ` [Bug middle-end/97743] " rguenth at gcc dot gnu.org 2020-11-06 11:17 ` jakub at gcc dot gnu.org 2020-11-06 11:40 ` rguenth at gcc dot gnu.org 2020-11-06 12:11 ` pinskia at gcc dot gnu.org 2020-11-06 12:12 ` pinskia at gcc dot gnu.org 2021-08-18 6:00 ` pinskia at gcc dot gnu.org 2021-08-18 21:13 ` pinskia at gcc dot gnu.org
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