public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "gabravier at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/98966] New: Failure to optimize conditional or with 1 based on boolean condition to direct or Date: Wed, 03 Feb 2021 23:53:19 +0000 [thread overview] Message-ID: <bug-98966-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98966 Bug ID: 98966 Summary: Failure to optimize conditional or with 1 based on boolean condition to direct or 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(int m, bool c) { return c ? (m | 1) : m; } This can be optimized to `return m | c;`. This transformation is done by LLVM, but not by GCC.
next reply other threads:[~2021-02-03 23:53 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-03 23:53 gabravier at gmail dot com [this message] 2021-07-28 21:24 ` [Bug tree-optimization/98966] " pinskia at gcc dot gnu.org 2022-11-26 18:53 ` pinskia at gcc dot gnu.org 2022-11-26 19:00 ` pinskia at gcc dot gnu.org 2023-02-18 2:30 ` gabravier at gmail dot com 2023-02-18 2:36 ` 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-98966-4@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).