From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23495 invoked by alias); 20 Dec 2010 09:26:37 -0000 Received: (qmail 23482 invoked by uid 22791); 20 Dec 2010 09:26:36 -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; Mon, 20 Dec 2010 09:26:33 +0000 From: "eres at il dot ibm.com" To: gcc-bugs@gcc.gnu.org Subject: [Bug testsuite/47013] FAIL: gcc.dg/sms-*.c scan-rtl-dump-times sms "SMS succeeded" * X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: testsuite X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: eres at il dot ibm.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: Mon, 20 Dec 2010 09:26:00 -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/msg02341.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47013 --- Comment #2 from revital eres 2010-12-20 09:26:21 UTC --- The testcases fail (even when adding the flags mentioned before) due to the decision to apply SMS when stage_count greater than 1. If stage_count is 1 it means the new SMSed kernel includes instructions from a single iteration of the original loop -- in that case SMS fails and leaves the scheduling task to the scheduler. In r146278 SMS has been applied also when SC equals 1 so the testcases passed with that version.