From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-114926-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 29169 invoked by alias); 17 Oct 2004 16:17:13 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 29147 invoked by uid 48); 17 Oct 2004 16:17:12 -0000
Date: Sun, 17 Oct 2004 16:17:00 -0000
Message-ID: <20041017161712.29146.qmail@sourceware.org>
From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
In-Reply-To: <20041017123619.18040.aj@gcc.gnu.org>
References: <20041017123619.18040.aj@gcc.gnu.org>
Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug tree-optimization/18040] [4.0 Regression] ICE in for_each_index, at tree-ssa-loop-im.c:178
X-Bugzilla-Reason: CC
X-SW-Source: 2004-10/txt/msg02313.txt.bz2
List-Id: <gcc-bugs.sourceware.org>


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-10-17 16:17 -------
The bug shows up in .sra:
  <L3>:;
!   D.1674 = (struct 
    {
      object:: * __pfn;
      int __delta;
!   }) iftmp.0;
!   D.1675_16 = D.1674.__pfn;
    if (D.1675_16 != 0B) goto <L5>; else goto <L10>;
  
  <L5>:;
--- ...,... ----
 
+   # SR.18_51 = PHI <SR.18_58(5), SR.18_60(4)>;
+   # SR.17_6 = PHI <SR.17_57(5), SR.17_59(4)>;
  <L3>:;
!   SR.20_53 = ((struct 
    {
      object:: * __pfn;
      int __delta;
!   }) iftmp.0).__delta;
!   iftmp.0.__delta = SR.18_51;
!   iftmp.0.__pfn = SR.17_6;
!   SR.19_56 = ((struct 
!   {
!     object:: * __pfn;
!     int __delta;
!   }) iftmp.0).__pfn;
!   D.1675_16 = SR.19_56;
    if (D.1675_16 != 0B) goto <L5>; else goto <L10>;
  

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18040