Mercurial > hg > graal-compiler
view test/compiler/6769124/TestArrayCopy6769124.java @ 15061:570132161721
Fix incorrect register allocator flags on (Un)CompressPointer ops.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Fri, 11 Apr 2014 12:07:21 +0200 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /** * @test * @bug 6769124 * @summary arraycopy may crash the VM with c1 on 64 bit */ public class TestArrayCopy6769124 { public static void main(String[] args) { int k = 1 << 31; for(int j = 0; j <1000000; j++) { int i = -1; while(i < 10) { i++; } int m = k * i; int[] O1 = new int[20]; int[] O2 = new int[20]; System.arraycopy(O1, i, O2, i, 1); //will crash on amd64 System.arraycopy(O1, m, O2, m, 1); //will crash on sparcv9 } } }