0408b23bcf
Co-authored-by: Xiaohong Gong <xgong@openjdk.org> Co-authored-by: Igor Ignatyev <iignatyev@openjdk.org> Reviewed-by: kvn, jiefu
83 lines
2.7 KiB
Java
83 lines
2.7 KiB
Java
/*
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* Copyright (c) 2021, 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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package compiler.vectorapi;
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import jdk.incubator.vector.ByteVector;
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import jdk.incubator.vector.Vector;
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import jdk.incubator.vector.VectorSpecies;
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import java.util.Arrays;
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import jdk.test.lib.format.ArrayDiff;
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/*
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* @test
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* @bug 8259353 8259601
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* @summary VectorReinterpretNode is incorrectly optimized out
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* @modules jdk.incubator.vector
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* @library /test/lib
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*
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* @run main compiler.vectorapi.Test8259353
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*/
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public class Test8259353 {
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static final VectorSpecies<Byte> SPECIES_128 = ByteVector.SPECIES_128;
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static final VectorSpecies<Byte> SPECIES_64 = ByteVector.SPECIES_64;
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static final byte[] a = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
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static final byte[] b = new byte[16];
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static final byte[] c = new byte[16];
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static final byte[] r = {0, 1, 2, 3, 4, 5, 6, 7, 0, 0, 0, 0, 0, 0, 0, 0};
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private static void func() {
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var av = ByteVector.fromArray(SPECIES_128, a, 0);
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var bv = (ByteVector)av.reinterpretShape(SPECIES_64, 0);
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bv.intoArray(b, 0);
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var cv = (ByteVector)bv.reinterpretShape(SPECIES_128, 0);
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cv.intoArray(c, 0);
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}
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public static void main(String[] args) {
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for (int i = 0; i < 100000; i++) {
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func();
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}
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System.out.println("a: " + Arrays.toString(a));
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System.out.println("b: " + Arrays.toString(b));
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System.out.println("c: " + Arrays.toString(c));
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var diff = ArrayDiff.of(b, r);
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if (!diff.areEqual()) {
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throw new AssertionError("b array is unexpected: " + diff.format());
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}
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diff = ArrayDiff.of(c, r);
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if (!diff.areEqual()) {
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throw new AssertionError("c array is unexpected: " + diff.format());
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}
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}
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}
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