From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24286 invoked by alias); 24 Jun 2011 10:02:04 -0000 Received: (qmail 24276 invoked by uid 22791); 24 Jun 2011 10:02:04 -0000 X-SWARE-Spam-Status: No, hits=-2.7 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_ZJ 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, 24 Jun 2011 10:01:50 +0000 From: "ubizjak at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/49515] [4.7 Regression] gcc.dg/torture/tls/thr-init-2.c -O2 -fpic execution test failure 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: ubizjak at gmail dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.0 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 Date: Fri, 24 Jun 2011 10:02:00 -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: 2011-06/txt/msg02156.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49515 --- Comment #4 from Uros Bizjak 2011-06-24 10:01:28 UTC --- (In reply to comment #1) > The code difference you show cannot be the real problem. The register > allocator has made a poorer choice in 4.7, leading to an extra move, > but the code that you show is exactly equivalent. The move is actually a sign extension instruction, so 4.7 code looks more correct to me.