107 lines
3.5 KiB
Java
107 lines
3.5 KiB
Java
/*
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* Copyright (c) 2022, Arm Limited. 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 compiler.lib.ir_framework.*;
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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.VectorMask;
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import jdk.incubator.vector.VectorOperators;
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import jdk.incubator.vector.VectorSpecies;
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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 8290485
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* @key randomness
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* @library /test/lib /
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* @summary [vectorapi] REVERSE_BYTES for byte type should not emit any instructions
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* @requires vm.compiler2.enabled
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* @requires (os.simpleArch == "x64" & vm.cpu.features ~= ".*avx2.*") | os.arch == "aarch64" |
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* (os.arch == "riscv64" & vm.cpu.features ~= ".*zvbb.*")
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* @modules jdk.incubator.vector
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*
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* @run driver compiler.vectorapi.VectorReverseBytesTest
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*/
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public class VectorReverseBytesTest {
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private static final VectorSpecies<Byte> B_SPECIES = ByteVector.SPECIES_MAX;
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private static int LENGTH = 1024;
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private static final Random RD = Utils.getRandomInstance();
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private static byte[] input;
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private static byte[] output;
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private static boolean[] m;
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static {
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input = new byte[LENGTH];
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output = new byte[LENGTH];
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m = new boolean[LENGTH];
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for (int i = 0; i < LENGTH; i++) {
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input[i] = (byte) RD.nextInt(25);
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m[i] = RD.nextBoolean();
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}
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}
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@Test
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@IR(failOn = IRNode.REVERSE_BYTES_VB)
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public static void testReverseBytesV() {
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for (int i = 0; i < LENGTH; i += B_SPECIES.length()) {
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ByteVector v = ByteVector.fromArray(B_SPECIES, input, i);
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v.lanewise(VectorOperators.REVERSE_BYTES).intoArray(output, i);
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}
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// Verify results
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for (int i = 0; i < LENGTH; i++) {
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Asserts.assertEquals(input[i], output[i]);
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}
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}
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@Test
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@IR(failOn = IRNode.REVERSE_BYTES_VB)
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@IR(failOn = IRNode.VECTOR_BLEND_B)
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public static void testReverseBytesVMasked() {
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VectorMask<Byte> mask = VectorMask.fromArray(B_SPECIES, m, 0);
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for (int i = 0; i < LENGTH; i += B_SPECIES.length()) {
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ByteVector v = ByteVector.fromArray(B_SPECIES, input, i);
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v.lanewise(VectorOperators.REVERSE_BYTES, mask).intoArray(output, i);
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}
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// Verify results
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for (int i = 0; i < LENGTH; i++) {
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Asserts.assertEquals(input[i], output[i]);
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}
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}
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public static void main(String[] args) {
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TestFramework.runWithFlags("--add-modules=jdk.incubator.vector");
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}
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}
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