From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14896 invoked by alias); 16 Aug 2009 14:08:04 -0000 Received: (qmail 14888 invoked by uid 22791); 16 Aug 2009 14:08:03 -0000 X-SWARE-Spam-Status: No, hits=-0.4 required=5.0 tests=AWL,BAYES_00,SARE_SUB_ENC_UTF8,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mailout1.go2.pl (HELO mailout1.go2.pl) (193.17.41.11) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 16 Aug 2009 14:07:57 +0000 Received: from mailout1.go2.pl (unknown [10.0.0.105]) by mailout1.go2.pl (Postfix) with ESMTP id DD2305F0002; Sun, 16 Aug 2009 16:07:54 +0200 (CEST) Received: from o2.pl (unknown [10.0.0.36]) by mailout1.go2.pl (Postfix) with SMTP; Sun, 16 Aug 2009 16:07:54 +0200 (CEST) Subject: =?UTF-8?Q?Re:_GCC_4..4.x_speed_regression_-_help=3F?= From: =?UTF-8?Q?ami=5Fstuff?= To: =?UTF-8?Q?ami=5Fstuff?= Cc: gcc@gcc.gnu.org In-Reply-To: <2fdfa587.3e8d2013.4a87ec55.d57bd@o2.pl> References: <2fdfa587.3e8d2013.4a87ec55.d57bd@o2.pl> Mime-Version: 1.0 Message-ID: <74af2d11.6acc4366.4a8812b9.bdfcd@o2.pl> Date: Mon, 17 Aug 2009 00:39:00 -0000 X-Originator: 212.67.149.145 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org X-SW-Source: 2009-08/txt/msg00273.txt.bz2 Hi, The problematic source code is deflate.c from libz. CFLAGS=3D-O3 -DUSE_MMAP -m68060 -fomit-frame-pointer When I compile all source code with GCC 4.4.1, I get slow minigzip binary. When I compile all source code with GCC 4.4.1 except deflate.c (this one I compile with GCC 3.4.0), I get minigzip binary with normal speed. Regards