From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25140 invoked by alias); 23 Mar 2012 20:51:32 -0000 Received: (qmail 25128 invoked by uid 22791); 23 Mar 2012 20:51:31 -0000 X-SWARE-Spam-Status: No, hits=-2.7 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 Mar 2012 20:51:09 +0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/52693] New: Wrong code with SRA and arrays Date: Fri, 23 Mar 2012 20:51:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia 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 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: 2012-03/txt/msg02076.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52693 Bug #: 52693 Summary: Wrong code with SRA and arrays Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned@gcc.gnu.org ReportedBy: pinskia@gcc.gnu.org With the attach testcase, SRA does the following replacement which seems wrong: value = stack.l[D.4470_102]; With value_77 = MEM[(struct exprList_s *)&stack]; value$u_620 = MEM[(struct exprList_s *)&stack].u; At -O1.