hotspot/test/compiler/6769124/TestUnalignedLoad6769124.java
author duke
Wed, 05 Jul 2017 17:50:24 +0200
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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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 * @test
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 * @bug 6769124
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 * @summary unaligned load may fail with c1 on 64 bit
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 */
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public class TestUnalignedLoad6769124 {
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    static long l1v = 0x200000003L;
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    static long l2v = 0x400000005L;
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    static double d1v = Double.MAX_VALUE;
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    static double d2v = Double.MIN_VALUE;
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    public static void main(String[] args) {
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        long l1 = l1v;
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        double d1 = d1v;
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        long l2 = l2v;
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        double d2 = d2v;
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        // Run long enough to induce an OSR
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        for (int i = 0; i < 10000000; i++) {
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        }
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        boolean error = false;
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        if (l1 != l1v) {
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            System.out.println(l1 + " != " + l1v);
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            error = true;
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        }
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        if (l2 != l2v) {
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            System.out.println(l2 + " != " + l2v);
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            error = true;
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        }
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        if (d1 != d1v) {
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            System.out.println(d1 + " != " + d1v);
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            error = true;
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        }
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        if (d2 != d2v) {
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            System.out.println(d2 + " != " + d2v);
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            error = true;
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        }
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        if (error) {
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            throw new InternalError();
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        }
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    }
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}