From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24579 invoked by alias); 28 Oct 2010 17:14:52 -0000 Received: (qmail 24571 invoked by uid 22791); 28 Oct 2010 17:14:52 -0000 X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,MISSING_MID X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 28 Oct 2010 17:14:48 +0000 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/46200] [4.6 Regression] optimization regression in simple pointer loop X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: WAITING X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.6.0 X-Bugzilla-Changed-Fields: Status CC In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Thu, 28 Oct 2010 17:14:00 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2010-10/txt/msg02417.txt.bz2 Message-ID: <20101028171400.qdLyAKu9gfZkhTbgdnuyQJgGsMr8MqulN0e9IKxSw9I@z> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46200 H.J. Lu changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |WAITING CC| |hjl.tools at gmail dot com, | |mkuvyrkov at gmail dot com --- Comment #2 from H.J. Lu 2010-10-28 17:14:28 UTC --- Does -mtune=generic have regressions? The current -mtune=core2 is slower than -mtune=generic. Maxim, could you please try this tescase with your Core 2/Core i7 changes?