From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18086 invoked by alias); 28 Jul 2010 15:34:03 -0000 Received: (qmail 18012 invoked by uid 48); 28 Jul 2010 15:33:41 -0000 Date: Wed, 28 Jul 2010 15:34:00 -0000 Message-ID: <20100728153341.18011.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/45063] [4.6 Regression] ICE: Segmentation fault (cc1) compiling matmul_i1.c In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "danglin at gcc dot gnu dot org" 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: 2010-07/txt/msg03106.txt.bz2 ------- Comment #7 from danglin at gcc dot gnu dot org 2010-07-28 15:33 ------- 0x00317ea8 : ldw -cc(sp),r19 0x00317eac : copy ret0,r23 0x00317eb0 : stw r19,-34(sp) 0x00317eb4 : copy r5,r24 0x00317eb8 : ldi 50,r26 0x00317ebc : b,l 0x30d394,rp 0x00317ec0 : ldi 7,r25 The op1 value is loaded from the stack frame at -0xcc. The frame value appears to be set here: 0x00317e48 : stw r19,-cc(sp) Breakpoint 3, 0x00317e48 in iv_number_of_iterations (loop=0x40296580, desc=0x9b62d8) at ../../gcc/gcc/loop-iv.c:2605 2605 bound = GEN_INT (((unsigned HOST_WIDEST_INT) 1 << (size - 1 ) << 1) - 1); (gdb) p/x $r19 $10 = 0x0 (gdb) p size $11 = 31 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45063