From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22383 invoked by alias); 29 Mar 2006 09:01:47 -0000 Received: (qmail 22081 invoked by alias); 29 Mar 2006 09:01:39 -0000 Date: Wed, 29 Mar 2006 09:01:00 -0000 Message-ID: <20060329090139.22080.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/26900] Number of iterations not know for simple loop In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rakdver at atrey dot karlin dot mff dot cuni dot cz" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2006-03/txt/msg02828.txt.bz2 List-Id: ------- Comment #6 from rakdver at atrey dot karlin dot mff dot cuni dot cz 2006-03-29 09:01 ------- Subject: Re: Number of iterations not know for simple loop > I thought if we know that we are looking at the loop header copy condition that > we _know_ that the loop runs at least once, so we can avoid trying to prove > that again using fold. How? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26900