From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5590 invoked by alias); 13 Jul 2004 17:56:37 -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 5581 invoked by alias); 13 Jul 2004 17:56:36 -0000 Date: Tue, 13 Jul 2004 17:56:00 -0000 Message-ID: <20040713175636.5580.qmail@sourceware.org> From: "dberlin at dberlin dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040623135616.16158.belyshev@lubercy.com> References: <20040623135616.16158.belyshev@lubercy.com> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug tree-optimization/16158] [3.5 Regression] O(N^2) in tree-ssa-pre.c X-Bugzilla-Reason: CC X-SW-Source: 2004-07/txt/msg01598.txt.bz2 List-Id: ------- Additional Comments From dberlin at dberlin dot org 2004-07-13 17:56 ------- Subject: Re: [3.5 Regression] O(N^2) in tree-ssa-pre.c >> >> This is *not* a 3.5 regression, because tree-ssa-pre.c didn't exist >> before 3.5 >> :) > > But the compile time is a regression though so that makes it a > regression. > > :) > There is no compile time regression for this case anymore. PRE takes no timeable amount of time anymore (with checking off. With checking on, it's 0% or 1%, at 0.1 seconds) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16158