From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22247 invoked by alias); 23 Sep 2011 09:30:19 -0000 Received: (qmail 22238 invoked by uid 22791); 23 Sep 2011 09:30:18 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 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; Fri, 23 Sep 2011 09:30:05 +0000 From: "amonakov at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/50489] [UPC/IA64] mis-schedule of MEM ref with -ftree-vectorize and -fschedule-insns2 Date: Fri, 23 Sep 2011 10:11:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: amonakov at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: CC 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: 2011-09/txt/msg01623.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50489 Alexander Monakov changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |amonakov at gcc dot gnu.org --- Comment #3 from Alexander Monakov 2011-09-23 09:30:01 UTC --- Does the problem vanish if you add -fno-strict-aliasing? One more thing, you mention -O2 in the flags, but then refer to selective scheduler, which is only enabled at -O3. Perhaps you meant Haifa scheduler.