From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1817 invoked by alias); 15 Dec 2009 07:10:11 -0000 Received: (qmail 1682 invoked by uid 48); 15 Dec 2009 07:09:58 -0000 Date: Tue, 15 Dec 2009 07:10:00 -0000 Message-ID: <20091215070958.1680.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/42108] [4.4/4.5 Regression] 50% performance regression In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "tkoenig at gcc dot gnu dot org" 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 X-SW-Source: 2009-12/txt/msg01434.txt.bz2 ------- Comment #36 from tkoenig at gcc dot gnu dot org 2009-12-15 07:09 ------- If it is any help, code which traps for a do loop is illegal Fortran, so the compiler may do anything in this case anyway. Is there a function like __builtin_i_dont_care_if_this_traps_or_not_if_it_traps_its_the_users_fault ? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42108