78 lines
2.7 KiB
Java
78 lines
2.7 KiB
Java
/*
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* Copyright (c) 2021, 2023, 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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* @key stress randomness
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* @bug 8259227
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* @summary Verify that zero check is executed before division/modulo operation.
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* @requires vm.compiler2.enabled
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* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=compiler.loopopts.TestDivZeroDominatedBy::test
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* -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM -XX:StressSeed=917280111 compiler.loopopts.TestDivZeroDominatedBy
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* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=compiler.loopopts.TestDivZeroDominatedBy::test
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* -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM compiler.loopopts.TestDivZeroDominatedBy
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*/
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package compiler.loopopts;
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public class TestDivZeroDominatedBy {
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public static int iFld = 1;
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public static int iFld1 = 2;
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public static int iFld2 = 3;
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public static int iArrFld[] = new int[10];
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public static double dFld = 1.0;
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public static void test() {
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int x = 1;
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int y = 2;
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int z = 3;
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iFld = y;
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iArrFld[5] += iFld1;
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int i = 1;
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do {
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for (int j = 0; j < 10; j++) {
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iFld2 += iFld2;
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iFld1 = iFld2;
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int k = 1;
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do {
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iArrFld[k] = y;
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z = iFld2;
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dFld = x;
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try {
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y = iArrFld[k];
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iArrFld[8] = 5;
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iFld = (100 / z);
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} catch (ArithmeticException a_e) {}
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} while (++k < 2);
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}
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} while (++i < 10);
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}
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public static void main(String[] strArr) {
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test();
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}
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}
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