From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28871 invoked by alias); 31 Mar 2006 22:41:16 -0000 Received: (qmail 28541 invoked by alias); 31 Mar 2006 22:41:10 -0000 Date: Fri, 31 Mar 2006 22:41:00 -0000 Message-ID: <20060331224110.28540.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/26944] [4.1/4.2 Regression] -ftree-ch generates worse code In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "dberlin at dberlin dot org" 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/msg03112.txt.bz2 List-Id: ------- Comment #3 from dberlin at gcc dot gnu dot org 2006-03-31 22:41 ------- Subject: Re: [4.1/4.2 Regression] -ftree-ch generates worse code > Compare pretmp.28_49 with pretmp.32_11, why are the arguments in a different > order? Is there something unstable in the PRE algorithm? > No, we just call fold on the expressions we build, and whatever it gives us, we use :) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26944