From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1400 invoked by alias); 13 Oct 2004 14:24:19 -0000 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 Received: (qmail 1391 invoked by uid 48); 13 Oct 2004 14:24:18 -0000 Date: Wed, 13 Oct 2004 14:24:00 -0000 Message-ID: <20041013142418.1390.qmail@sourceware.org> From: "kazu at cs dot umass dot edu" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20041013031331.17966.kazu@cs.umass.edu> References: <20041013031331.17966.kazu@cs.umass.edu> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug tree-optimization/17966] a quadratic behavior in thread_jumps X-Bugzilla-Reason: CC X-SW-Source: 2004-10/txt/msg01754.txt.bz2 List-Id: ------- Additional Comments From kazu at cs dot umass dot edu 2004-10-13 14:24 ------- Andrew, Regarding your patch, if we have exactly one basic block immediately preceding EXIT_BLOCK_PTR, and that block happens to be a forwarder block, your algorithm terminates without doing any further work. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17966