6dc1ccac6b
Arraycopy converted as a series of loads/stores uses wrong slice for loads Reviewed-by: kvn, thartmann
59 lines
2.0 KiB
Java
59 lines
2.0 KiB
Java
/*
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* Copyright (c) 2018, 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 8200282
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* @summary arraycopy converted as a series of loads/stores uses wrong slice for loads
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*
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* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,ACasLoadsStoresBadMem::not_inlined ACasLoadsStoresBadMem
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*
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*/
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public class ACasLoadsStoresBadMem {
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public static void main(String[] args) {
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int[] dst = new int[5];
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for (int i = 0; i < 20_000; i++) {
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test1(dst, 1);
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for (int j = 1; j < 5; j++) {
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if (dst[j] != j) {
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throw new RuntimeException("Bad copy ");
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}
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}
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}
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}
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private static void test1(int[] dst, int dstPos) {
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int[] src = new int[4];
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not_inlined();
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src[0] = 1;
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src[1] = 2;
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src[2] = 3;
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src[3] = 4;
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System.arraycopy(src, 0, dst, dstPos, 4);
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}
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private static void not_inlined() {
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}
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}
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