From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5897 invoked by alias); 22 Sep 2004 16:37:39 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 5890 invoked by uid 48); 22 Sep 2004 16:37:38 -0000 Date: Wed, 22 Sep 2004 16:37:00 -0000 Message-ID: <20040922163738.5889.qmail@sourceware.org> From: "berndtrog at yahoo dot com" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040921180641.17589.berndtrog@yahoo.com> References: <20040921180641.17589.berndtrog@yahoo.com> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug tree-optimization/17589] segfault while running code compiled with -ftree-vectorize X-Bugzilla-Reason: CC X-SW-Source: 2004-09/txt/msg02577.txt.bz2 List-Id: ------- Additional Comments From berndtrog at yahoo dot com 2004-09-22 16:37 ------- Hmm, now I've used -D "2004-09-17 00:00:00" for the checkout. It still segfaults: When I use gdb to run it, I get: Program received signal SIGSEGV, Segmentation fault. 0x080484a7 in main1 () 1: x/i $eip 0x80484a7 : movdqa (%edx),%xmm0 (gdb) info registers eax 0x1 1 ecx 0xbffff3c4 -1073744956 edx 0xbffff3c4 -1073744956 ^ According to http://developer.intel.com/design/Pentium4/manuals/25366614.pdf, when the source or destination operand is a memory operand, the operand must be aligned on a 16-byte boundary or a general-protection exception (#GP) will be generated. Could this be OS related? (I'm using Linux 2.4.25, CONFIG_MPENTIUM4=y) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17589