jdk-24/test/hotspot/jtreg/compiler/arraycopy/TestTailCallInArrayCopyStub.java
Tobias Hartmann cccc95358d 8329258: TailCall should not use frame pointer register for jump target
Co-authored-by: Fei Yang <fyang@openjdk.org>
Reviewed-by: rcastanedalo, aph
2024-05-02 11:38:00 +00:00

59 lines
2.2 KiB
Java

/*
* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
/*
* @test
* @key stress randomness
* @bug 8329258
* @summary Test correct execution of the tail call at the end of the arraycopy stub.
* @requires vm.compiler2.enabled
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbatch -XX:-TieredCompilation
* -XX:+StressGCM -XX:+StressLCM
* -XX:CompileCommand=quiet -XX:CompileCommand=compileonly,*::test
* compiler.arraycopy.TestTailCallInArrayCopyStub
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xbatch -XX:-TieredCompilation
* -XX:+StressGCM -XX:+StressLCM -XX:StressSeed=75451718
* -XX:CompileCommand=quiet -XX:CompileCommand=compileonly,*::test
* compiler.arraycopy.TestTailCallInArrayCopyStub
*/
package compiler.arraycopy;
public class TestTailCallInArrayCopyStub {
public static void test(byte[] src, byte[] dst) {
try {
System.arraycopy(src, -1, dst, 0, src.length);
} catch (Exception e) {
// Expected
}
}
public static void main(String[] args) {
byte[] array = new byte[5];
for (int i = 0; i < 10_000; ++i) {
test(array, array);
}
}
}