From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C647F3858D28; Mon, 30 Jan 2023 18:40:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C647F3858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1675104047; bh=aLc9UlnOn6GzzxUIxAKrd+r/0mpTcQRe7XEHiykp4pU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=tBKcVO06QBQBHU1TdedsRI95YCNRnlb+mYkK8ct75ZEPITZ2chAQBAk9KGJYS5BrT X61GcDZ6sa7kmMDfL5SKtHG2mt9wABWk5SgHyKJMc6AiPDOBf56fyeffnfOKhdzbHf 2BFIVnH1UOtYf/YBnWI5zeBfYNeSAnfoTf3j8wC8= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/48783] ~0ULL % (a / (a & -a)) == 0 is not optimized to false on the tree level Date: Mon, 30 Jan 2023 18:40:46 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 4.5.2 X-Bugzilla-Keywords: missed-optimization, TREE X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cf_known_to_work Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D48783 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Known to work| |5.1.0 --- Comment #7 from Andrew Pinski --- Note the reduced testcase in comment #4 has been fixed since GCC 5 but I th= ink the original issue is still there ...=