From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5358 invoked by alias); 20 Dec 2005 06:36:51 -0000 Received: (qmail 5347 invoked by uid 48); 20 Dec 2005 06:36:49 -0000 Date: Tue, 20 Dec 2005 06:36:00 -0000 Message-ID: <20051220063649.5346.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/25500] REGREGRESSION: SSE2 vectorized code is many times slower on 4.x.x than on 3.4.4 In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "pinskia at gcc dot gnu 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: 2005-12/txt/msg02091.txt.bz2 List-Id: ------- Comment #8 from pinskia at gcc dot gnu dot org 2005-12-20 06:36 ------- Can you show what the output of "gcc -v" for the 3.4 compiler and the 4.0 compiler? This looks like just a different using arch by default. a Compiler compiled for i686 by default gives the good code but code compiled for i386 give bad code. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25500