83 lines
3.0 KiB
Java
83 lines
3.0 KiB
Java
/*
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* Copyright (c) 2022, 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 java.util.Random;
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import jdk.incubator.vector.ByteVector;
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import jdk.incubator.vector.DoubleVector;
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import jdk.incubator.vector.ShortVector;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.Utils;
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/*
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* @test
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* @bug 8278948
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* @summary Intermediate integer promotion vector length encoding is calculated incorrectly on x86
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* @modules jdk.incubator.vector
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* @library /test/lib
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:CompileThreshold=100 -XX:UseAVX=1
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* compiler.vectorapi.Test8278948
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*/
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public class Test8278948 {
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static final int INVOCATIONS = 10000;
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static final Random random = Utils.getRandomInstance();
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static final byte[] BYTES = new byte[8];
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static final short[] SHORTS = new short[4];
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static final double[] DOUBLES = new double[4];
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public static void main(String[] args) {
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for (int i = 0; i < INVOCATIONS; i++) {
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for (int j = 0; j < DOUBLES.length; j++) {
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BYTES[j] = (byte)random.nextInt();
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}
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bytesToDoubles();
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for (int j = 0; j < DOUBLES.length; j++) {
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Asserts.assertEquals((double)BYTES[j], DOUBLES[j]);
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}
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for (int j = 0; j < DOUBLES.length; j++) {
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SHORTS[j] = (short)random.nextInt();
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}
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shortsToDoubles();
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for (int j = 0; j < DOUBLES.length; j++) {
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Asserts.assertEquals((double)SHORTS[j], DOUBLES[j]);
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}
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}
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}
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static void bytesToDoubles() {
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((DoubleVector)ByteVector.fromArray(ByteVector.SPECIES_64, BYTES, 0)
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.castShape(DoubleVector.SPECIES_256, 0))
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.intoArray(DOUBLES, 0);
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}
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static void shortsToDoubles() {
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((DoubleVector)ShortVector.fromArray(ShortVector.SPECIES_64, SHORTS, 0)
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.castShape(DoubleVector.SPECIES_256, 0))
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.intoArray(DOUBLES, 0);
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}
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}
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