From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8064 invoked by alias); 19 Dec 2010 16:07:26 -0000 Received: (qmail 8055 invoked by uid 22791); 19 Dec 2010 16:07:25 -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; Sun, 19 Dec 2010 16:07:21 +0000 From: "paulius.zaleckas at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/46972] __thread storage class variable gets optimized out on ARM 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: paulius.zaleckas at gmail dot com 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: 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: Sun, 19 Dec 2010 16:07:00 -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: 2010-12/txt/msg02293.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46972 --- Comment #4 from Paulius Zaleckas 2010-12-19 16:07:15 UTC --- Created attachment 22823 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22823 diff with and without -fsection-anchors I have found out that it is -fsection-anchors optimization causing this bug. Attached -S assembler output diff with and without this option.