From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22575 invoked by alias); 24 Jul 2014 13:23:49 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 22161 invoked by uid 55); 24 Jul 2014 13:23:41 -0000 From: "ktkachov at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/61876] Converting __builtin_round + cast into __builtin_lround is not always equivalent in regards to math errno Date: Thu, 24 Jul 2014 13:23:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 4.10.0 X-Bugzilla-Keywords: missed-optimization, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: ktkachov at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: ktkachov at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-07/txt/msg01616.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61876 --- Comment #4 from ktkachov at gcc dot gnu.org --- Author: ktkachov Date: Thu Jul 24 13:23:05 2014 New Revision: 212989 URL: https://gcc.gnu.org/viewcvs?rev=212989&root=gcc&view=rev Log: PR 61876: Do not convert cast + __builtin_round into __builtin_lround unless -fno-math-errno is used. PR middle-end/61876 * convert.c (convert_to_integer): Do not convert BUILT_IN_ROUND and cast when flag_errno_math is on. Modified: trunk/gcc/ChangeLog trunk/gcc/convert.c