From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16545 invoked by alias); 31 Oct 2007 11:22:35 -0000 Received: (qmail 16465 invoked by uid 48); 31 Oct 2007 11:22:25 -0000 Date: Wed, 31 Oct 2007 11:22:00 -0000 Message-ID: <20071031112225.16464.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/33953] [4.3 regression] internal compiler error: vector VEC(tree,base) index domain error, in vectorizable_operation at tree-vect-transform.c:4017 In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "irar at il dot ibm dot com" 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: 2007-10/txt/msg02784.txt.bz2 ------- Comment #6 from irar at il dot ibm dot com 2007-10-31 11:22 ------- (In reply to comment #2) > Uh, the VEC_* stuff used there looks like a mess. It's not clear who allocates > and what the size should be. I'll take a look and fix if necessary. > For example vect_get_vec_defs_for_stmt_copy > doesn't allocate the VECs which is exactly what causes the problem here. vect_get_vec_defs_for_stmt_copy is not called here, it is used to create vector copies in case of multiple types in the loop. It should reuse the VEC used for the first copy. I think, there is indeed a problem here. We should overwrite the existing entries and not push the new ones. I'll look into this. > > Reducing. > Thanks, Ira -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33953