hotspot/test/compiler/intrinsics/unsafe/HeapByteBufferTest.java
author vdeshpande
Fri, 26 Aug 2016 12:20:09 -0700
changeset 41362 e09e871860a7
parent 40072 08c515bbbdea
child 40631 ed82623d7831
permissions -rw-r--r--
8154122: Intrinsify fused mac operations Summary: added FMA intrinsics on x86 Reviewed-by: kvn, aph, darcy
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/*
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 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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 * Copyright (c) 2016, Red Hat Inc. 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 8026049 8151163
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 * @summary Verify that byte buffers are correctly accessed.
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 * @modules java.base/jdk.internal.misc
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 * @library /testlibrary
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 *
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 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-UseUnalignedAccesses -Djdk.test.lib.random.seed=0
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 *      HeapByteBufferTest
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 * @run main/othervm -Djdk.test.lib.random.seed=0
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 *      HeapByteBufferTest
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 */
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public class HeapByteBufferTest extends ByteBufferTest {
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    public HeapByteBufferTest(long iterations, boolean direct) {
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        super(iterations, direct);
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    }
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    public static void main(String[] args) {
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        // The number of iterations is high to ensure that tiered
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        // compilation kicks in all the way up to C2.
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        long iterations = 100000;
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        if (args.length > 0)
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            iterations = Long.parseLong(args[0]);
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        new HeapByteBufferTest(iterations, false).run();
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    }
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}