57 lines
2.0 KiB
Java
57 lines
2.0 KiB
Java
/*
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* Copyright (c) 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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/* @test
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* @bug 8305324
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* @summary C2: Wrong execution of vectorizing Interger.reverseBytes
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* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileCommand=compileonly,compiler.vectorization.TestNarrowedIntegerReverseBytes::* compiler.vectorization.TestNarrowedIntegerReverseBytes
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*/
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package compiler.vectorization;
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public class TestNarrowedIntegerReverseBytes {
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static final int LEN = 33;
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static byte byteArray[] = new byte[LEN];
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static void test() {
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for (int i = 0; i < LEN; i++) {
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byteArray[i] = (byte) Integer.reverseBytes(i);
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}
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}
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public static void main(String[] strArr) {
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for (int i = 0; i < 2; i++) {
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test();
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}
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for (int i = 0; i < byteArray.length; i++) {
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if (byteArray[i] != 0) {
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System.err.println("FAILED: all the elements should be zero");
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System.exit(1);
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}
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}
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System.out.println("PASSED");
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}
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}
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