From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11762 invoked by alias); 6 Nov 2007 15:52:57 -0000 Received: (qmail 11534 invoked by uid 48); 6 Nov 2007 15:52:45 -0000 Date: Tue, 06 Nov 2007 15:52:00 -0000 Message-ID: <20071106155245.11533.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/34005] [4.3 Regression] ICE: verify_ssa failed (expected an SSA_NAME object) In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "tbm at cyrius 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: 2007-11/txt/msg00498.txt.bz2 ------- Comment #2 from tbm at cyrius dot com 2007-11-06 15:52 ------- When I change the testcase slightly I get a difference ICE: tbm@devel-tbm:~$ /usr/lib/gcc-snapshot/bin/gcc -c -O2 -ftree-vectorize vnc-Unwrap2.c vnc-Unwrap2.c: In function 'XdmcpUnwrap': vnc-Unwrap2.c:4: error: control flow in the middle of basic block 3 vnc-Unwrap2.c:4: error: control flow in the middle of basic block 3 vnc-Unwrap2.c:4: error: control flow in the middle of basic block 3 vnc-Unwrap2.c:4: error: control flow in the middle of basic block 3 vnc-Unwrap2.c:4: error: control flow in the middle of basic block 3 vnc-Unwrap2.c:4: error: control flow in the middle of basic block 3 vnc-Unwrap2.c:4: internal compiler error: verify_flow_info failed /* Testcase by Martin Michlmayr */ void XdmcpUnwrap (unsigned char *output, int k) { int i; unsigned char blocks[2][8]; k = (k == 0) ? 1 : 0; for (i = 0; i < 8; i++) output[i] = blocks[k][i]; } -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34005