71 lines
2.3 KiB
Java
71 lines
2.3 KiB
Java
/*
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* Copyright (c) 2020, Huawei Technologies Co., Ltd. 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 8235762
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* @summary JVM crash in SWPointer during C2 compilation
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*
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* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
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-XX:CompileCommand=compileonly,compiler.loopopts.superword.TestSearchAlignment::vMeth
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* compiler.loopopts.superword.TestSearchAlignment
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*/
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package compiler.loopopts.superword;
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public class TestSearchAlignment {
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public static final int N = 400;
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public static byte bArr[] = new byte[N];
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public static int iArr[] = new int[N];
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public static long lArr[] = new long[N];
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public static void vMeth(byte bArg, int iArg, long lArg) {
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int i = N - 1;
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do {
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iArr[i - 1] += iArg;
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iArr[i] += iArg;
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lArr[i - 1] = lArg;
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bArr[i - 1] = bArg;
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} while (--i > 0);
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}
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public void mainTest() {
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byte b = 0;
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int i = 0;
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long l = 0;
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for (int j = 0; j < N; ++j) {
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vMeth(b, i, l);
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}
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}
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public static void main(String[] args) {
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TestSearchAlignment _instance = new TestSearchAlignment();
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for (int i = 0; i < 10; i++) {
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_instance.mainTest();
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}
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System.out.println("Test passed.");
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}
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}
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