hotspot/test/compiler/intrinsics/mathexact/CompareTest.java
author hseigel
Wed, 01 Mar 2017 08:00:02 -0500
changeset 46194 5596e6f63072
parent 40059 c2304140ed64
permissions -rw-r--r--
8172307: Remove ununsed JVM API JVM_GetModuleByPackageName() Summary: Remove get_module_by_package_name() etc., and unneeded test. Reviewed-by: sspitsyn, gtriantafill
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/*
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 * Copyright (c) 2013, 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 8026722
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 * @summary Verify that the compare after addExact is a signed compare
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 *
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 * @run main compiler.intrinsics.mathexact.CompareTest
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 */
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package compiler.intrinsics.mathexact;
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public class CompareTest {
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    public static long store = 0;
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    public static long addValue = 1231;
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    public static void main(String[] args) {
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        for (int i = 0; i < 20000; ++i) {
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            runTest(i, i);
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            runTest(i-1, i);
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        }
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    }
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    public static long create(long value, int v) {
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        if ((value | v) == 0) {
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            return 0;
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        }
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        // C2 turned this test into unsigned test when a control edge was set on the Cmp
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        if (value < -31557014167219200L || value > 31556889864403199L) {
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            throw new RuntimeException("error");
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        }
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        return value;
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    }
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    public static void runTest(long value, int value2) {
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        long res = Math.addExact(value, addValue);
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        store = create(res, Math.floorMod(value2, 100000));
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    }
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}