From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28294 invoked by alias); 29 Jun 2011 15:52:02 -0000 Received: (qmail 28282 invoked by uid 22791); 29 Jun 2011 15:52:01 -0000 X-SWARE-Spam-Status: No, hits=-2.7 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_TX 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; Wed, 29 Jun 2011 15:51:48 +0000 From: "torvald at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/49581] New: [trans-mem] save/restore of thread-local data in nested txns is missing X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: torvald 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: Message-ID: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Wed, 29 Jun 2011 15:52:00 -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/msg02851.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49581 Summary: [trans-mem] save/restore of thread-local data in nested txns is missing Product: gcc Version: trans-mem Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned@gcc.gnu.org ReportedBy: torvald@gcc.gnu.org Created attachment 24632 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24632 test case In the attached test case, stores to x[5] and x[6] in the nested txn do not get rolled back. This happens if the nested txn is restarted by the TM runtime library, or if the nested txn is aborted via __transaction_cancel.