From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8692 invoked by alias); 3 May 2013 08:59:33 -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 8656 invoked by uid 48); 3 May 2013 08:59:30 -0000 From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/57066] [4.7/4.8 Regression] std::logb(-inf) returns wrong value Date: Fri, 03 May 2013 08:59:00 -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-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: mpolacek at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: mpolacek at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.4 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 X-SW-Source: 2013-05/txt/msg00154.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57066 --- Comment #9 from Marek Polacek 2013-05-03 08:59:30 UTC --- Author: mpolacek Date: Fri May 3 08:59:14 2013 New Revision: 198571 URL: http://gcc.gnu.org/viewcvs?rev=198571&root=gcc&view=rev Log: PR tree-optimization/57066 * builtins.c (fold_builtin_logb): Return +Inf for -Inf. * gcc.dg/torture/builtin-logb-1.c: Adjust testcase. Modified: branches/gcc-4_7-branch/gcc/ChangeLog branches/gcc-4_7-branch/gcc/builtins.c branches/gcc-4_7-branch/gcc/testsuite/ChangeLog branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/builtin-logb-1.c