From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16760 invoked by alias); 15 Jan 2003 10:16:05 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 16723 invoked by uid 71); 15 Jan 2003 10:16:03 -0000 Resent-Date: 15 Jan 2003 10:16:03 -0000 Resent-Message-ID: <20030115101603.16721.qmail@sources.redhat.com> Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer) Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org Resent-Reply-To: gcc-gnats@gcc.gnu.org, amnon_cohen@yahoo.com Received: (qmail 14193 invoked by uid 61); 15 Jan 2003 10:10:56 -0000 Message-Id: <20030115101056.14192.qmail@sources.redhat.com> Date: Wed, 15 Jan 2003 10:16:00 -0000 From: amnon_cohen@yahoo.com Reply-To: amnon_cohen@yahoo.com To: gcc-gnats@gcc.gnu.org X-Send-Pr-Version: gnatsweb-2.9.3 (1.1.1.1.2.31) Subject: optimization/9319: slower code generated for simple loop on linux X-SW-Source: 2003-01/txt/msg00932.txt.bz2 List-Id: >Number: 9319 >Category: optimization >Synopsis: slower code generated for simple loop on linux >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: pessimizes-code >Submitter-Id: net >Arrival-Date: Wed Jan 15 02:16:02 PST 2003 >Closed-Date: >Last-Modified: >Originator: amnon_cohen@yahoo.com >Release: gcc 3.2.1 >Organization: >Environment: Red Hat Linux 2.3.9-13 >Description: For the simple loop attached gcc3.2.1 -O3 produces code which runs 40% slower than code produced by gcc 3.0 >How-To-Repeat: gcc -c -O3 loop3.c >Fix: >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: application/octet-stream; name="loop3.c" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="loop3.c" CmludCBsb29wMyhpbnQgbikgewoJaW50IGk9MCxzPTA7Cgl3aGlsZSAoMSkgewoJCWlmIChpID49 IG4pCgkJCWJyZWFrOwoJCWVsc2UgewoJCQlzKz1pOwoJCQlpICsrOwoJCQl9CgkJfQoJcmV0dXJu IHM7Cn0KCg==