68 lines
1.9 KiB
Java
68 lines
1.9 KiB
Java
/*
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* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 6973329
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* @summary C2 with Zero based COOP produces code with broken anti-dependency on x86
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*
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* @run main/othervm -Xbatch -Xcomp
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* -XX:CompileCommand=compileonly,compiler.c2.Test6973329::*
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* compiler.c2.Test6973329
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*/
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package compiler.c2;
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public class Test6973329 {
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static class A {
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A next;
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int n;
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public int get_n() {
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return n + 1;
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}
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}
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A a;
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void test(A new_next) {
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A prev_next = a.next;
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a.next = new_next;
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if (prev_next == null) {
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a.n = a.get_n();
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}
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}
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public static void main(String args[]) {
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Test6973329 t = new Test6973329();
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t.a = new A();
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t.a.n = 1;
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t.test(new A());
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if (t.a.n != 2) {
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System.out.println("Wrong value: " + t.a.n + " expected: 2");
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System.exit(97);
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}
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}
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}
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