From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23503 invoked by alias); 19 Jan 2012 14:39:29 -0000 Received: (qmail 23384 invoked by uid 22791); 19 Jan 2012 14:39:28 -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; Thu, 19 Jan 2012 14:39:15 +0000 From: "krebbel at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/51856] [4.7 Regression] ICE in reload_cse_simplify_operands Date: Thu, 19 Jan 2012 14:59:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: krebbel at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P4 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 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: 2012-01/txt/msg02160.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51856 --- Comment #3 from Andreas Krebbel 2012-01-19 14:38:46 UTC --- Created attachment 26379 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26379 Fix I've introduced that bug with: http://gcc.gnu.org/ml/gcc-patches/2011-03/msg01527.html So it's fair to hit s390 first :( In find_reloads_subreg_address the -1 value is not properly propagated from find_reloads_address invocation so find_reloads wrongly assumes that the address has been fully reloaded into a register.