From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11160 invoked by alias); 17 Feb 2013 08:41:16 -0000 Received: (qmail 10903 invoked by uid 48); 17 Feb 2013 08:40:54 -0000 From: "ubizjak at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/54073] [4.7 Regression] SciMark Monte Carlo test performance has seriously decreased in recent GCC releases Date: Sun, 17 Feb 2013 08:41:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: ubizjak at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.3 X-Bugzilla-Changed-Fields: Message-ID: 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 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: 2013-02/txt/msg01721.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073 --- Comment #17 from Uros Bizjak 2013-02-17 08:40:52 UTC --- (In reply to comment #16) > I have done quite a bit of analysis on cmov performance across x86 > architectures, so I will share here in case it helps: I have moved this discussion to PR56309. Let's keep this PR open for eventual backport of the patch in Comment #13 to 4.7 branch.