author | ccheung |
Fri, 04 Oct 2013 21:00:43 -0700 | |
changeset 20384 | 49bfb2ec8f8f |
parent 5547 | f4b087cbb361 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009, 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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||
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/** |
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* @test |
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* @bug 6769124 |
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* @summary int value might not be correctly decoded on deopt with c1 on 64 bit |
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* |
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* @run main/othervm -Xcomp -XX:CompileOnly=TestDeoptInt6769124.m TestDeoptInt6769124 |
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*/ |
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public class TestDeoptInt6769124 { |
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static class A { |
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volatile int vl; |
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A(int v) { |
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vl = v; |
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} |
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} |
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static void m(int b) { |
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A a = new A(10); |
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int c; |
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c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt |
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if(c != 20) { |
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System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20"); |
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throw new InternalError(); |
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} |
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} |
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public static void main(String[] args) { |
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m(10); |
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} |
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} |