From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3635 invoked by alias); 20 May 2012 20:03:48 -0000 Received: (qmail 3563 invoked by uid 22791); 20 May 2012 20:03:46 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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, 20 May 2012 20:03:34 +0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/53411] [4.8 Regression] ICE in move_unallocated_pseudos Date: Sun, 20 May 2012 20:04:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: ice-on-valid-code, ra X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Status Keywords Last reconfirmed Component Ever Confirmed Summary 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: 2012-05/txt/msg01952.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53411 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Keywords| |ice-on-valid-code, ra Last reconfirmed| |2012-05-20 Component|c |middle-end Ever Confirmed|0 |1 Summary|segfault |[4.8 Regression] ICE in | |move_unallocated_pseudos --- Comment #1 from Andrew Pinski 2012-05-20 19:26:39 UTC --- Confirmed. (gdb) p i $1 = 144 (gdb) l 4004 for (i = first_moveable_pseudo; i < last_moveable_pseudo; i++) 4005 if (reg_renumber[i] < 0) 4006 { 4007 int idx = i - first_moveable_pseudo; 4008 rtx other_reg = VEC_index (rtx, pseudo_replaced_reg, idx); 4009 rtx def_insn = DF_REF_INSN (DF_REG_DEF_CHAIN (i)); 144 does not exist in the IR as far as I can tell.