From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18144 invoked by alias); 4 Apr 2013 15:49:06 -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 17846 invoked by uid 48); 4 Apr 2013 15:49:01 -0000 From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/48186] ICE: SIGFPE (division by zero) in maybe_hot_frequency_p at predict.c:129 with --param hot-bb-frequency-fraction=0 on basic code Date: Thu, 04 Apr 2013 15:49:00 -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: ice-on-valid-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: --- 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: 2013-04/txt/msg00428.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48186 --- Comment #3 from Marek Polacek 2013-04-04 15:49:00 UTC --- Author: mpolacek Date: Thu Apr 4 15:48:25 2013 New Revision: 197487 URL: http://gcc.gnu.org/viewcvs?rev=197487&root=gcc&view=rev Log: PR tree-optimization/48186 * predict.c (maybe_hot_frequency_p): Return false if HOT_BB_FREQUENCY_FRACTION is 0. (cgraph_maybe_hot_edge_p): Likewise. * gcc.dg/pr48186.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr48186.c Modified: trunk/gcc/ChangeLog trunk/gcc/predict.c trunk/gcc/testsuite/ChangeLog