From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13271 invoked by alias); 20 Dec 2005 06:01:55 -0000 Received: (qmail 13264 invoked by alias); 20 Dec 2005 06:01:54 -0000 Date: Tue, 20 Dec 2005 06:01:00 -0000 Message-ID: <20051220060154.13263.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: "yuri at tsoft dot com" 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/msg02080.txt.bz2 List-Id: ------- Comment #3 from yuri at tsoft dot com 2005-12-20 06:01 ------- Subject: Re: REGREGRESSION: SSE2 vectorized code is many times slower on 4.x.x than on 3.4.4 I run on Athlon64-3200 in i386 compatible mode. Strange. I had he problem with gcc-4.0.1, yesterday I compiled gcc-4.0.2 and same thing. Yuri pinskia at gcc dot gnu dot org wrote: >------- Comment #2 from pinskia at gcc dot gnu dot org 2005-12-20 05:55 ------- >I cannot reproduce this on an Athlon 64 running in either 32 or 64 bit mode. > >Everything I tried shows that 4.x is actually faster than 3.4.4. > > > > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25500