undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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/*
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* Copyright (c) 2023, 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.DoubleVector;
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import jdk.incubator.vector.FloatVector;
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import jdk.incubator.vector.IntVector;
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import jdk.incubator.vector.LongVector;
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import jdk.incubator.vector.ShortVector;
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import jdk.incubator.vector.VectorSpecies;
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import jdk.incubator.vector.VectorOperators;
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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 8297753
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* @key randomness
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* @library /test/lib /
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* @requires os.arch=="aarch64"
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* @summary Add optimized rules for vector compare with zero on NEON
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* @modules jdk.incubator.vector
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*
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* @run driver compiler.vectorapi.VectorCompareWithZeroTest
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*/
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public class VectorCompareWithZeroTest {
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private static final VectorSpecies<Byte> B_SPECIES = ByteVector.SPECIES_PREFERRED;
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private static final VectorSpecies<Short> S_SPECIES = ShortVector.SPECIES_PREFERRED;
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private static final VectorSpecies<Integer> I_SPECIES = IntVector.SPECIES_PREFERRED;
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private static final VectorSpecies<Long> L_SPECIES = LongVector.SPECIES_PREFERRED;
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private static final VectorSpecies<Float> F_SPECIES = FloatVector.SPECIES_PREFERRED;
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private static final VectorSpecies<Double> D_SPECIES = DoubleVector.SPECIES_PREFERRED;
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private static final int LENGTH = 1024;
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private static final Random RD = Utils.getRandomInstance();
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private static byte[] ba;
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private static boolean[] br;
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private static short[] sa;
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private static boolean[] sr;
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private static int[] ia;
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private static boolean[] ir;
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private static long[] la;
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private static boolean[] lr;
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private static float[] fa;
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private static boolean[] fr;
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private static double[] da;
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private static boolean[] dr;
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static {
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ba = new byte[LENGTH];
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sa = new short[LENGTH];
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ia = new int[LENGTH];
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la = new long[LENGTH];
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fa = new float[LENGTH];
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da = new double[LENGTH];
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br = new boolean[LENGTH];
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sr = new boolean[LENGTH];
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ir = new boolean[LENGTH];
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lr = new boolean[LENGTH];
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fr = new boolean[LENGTH];
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dr = new boolean[LENGTH];
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for (int i = 0; i < LENGTH; i++) {
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ba[i] = (byte) RD.nextInt(25);
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sa[i] = (short) RD.nextInt(25);
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ia[i] = RD.nextInt(25);
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la[i] = RD.nextLong(25);
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fa[i] = RD.nextFloat(25.0F);
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da[i] = RD.nextDouble(25.0);
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}
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}
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interface ByteOp {
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boolean apply(byte a);
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}
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interface ShortOp {
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boolean apply(short a);
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}
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interface IntOp {
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boolean apply(int a);
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}
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interface LongOp {
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boolean apply(long a);
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}
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interface FloatOp {
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boolean apply(float a);
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}
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interface DoubleOp {
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boolean apply(double a);
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}
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private static void assertArrayEquals(byte[] a, boolean[] r, ByteOp f) {
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for (int i = 0; i < B_SPECIES.length(); i++) {
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Asserts.assertEquals(f.apply(a[i]), r[i]);
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}
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}
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private static void assertArrayEquals(short[] a, boolean[] r, ShortOp f) {
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for (int i = 0; i < S_SPECIES.length(); i++) {
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Asserts.assertEquals(f.apply(a[i]), r[i]);
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}
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}
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private static void assertArrayEquals(int[] a, boolean[] r, IntOp f) {
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for (int i = 0; i < I_SPECIES.length(); i++) {
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Asserts.assertEquals(f.apply(a[i]), r[i]);
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}
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}
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private static void assertArrayEquals(long[] a, boolean[] r, LongOp f) {
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for (int i = 0; i < L_SPECIES.length(); i++) {
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Asserts.assertEquals(f.apply(a[i]), r[i]);
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}
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}
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private static void assertArrayEquals(float[] a, boolean[] r, FloatOp f) {
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for (int i = 0; i < F_SPECIES.length(); i++) {
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Asserts.assertEquals(f.apply(a[i]), r[i]);
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}
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}
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private static void assertArrayEquals(double[] a, boolean[] r, DoubleOp f) {
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for (int i = 0; i < D_SPECIES.length(); i++) {
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Asserts.assertEquals(f.apply(a[i]), r[i]);
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}
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}
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@Test
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@IR(counts = { IRNode.VMASK_CMP_ZERO_I_NEON, ">= 1" })
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public static void testByteVectorEqualToZero() {
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ByteVector av = ByteVector.fromArray(B_SPECIES, ba, 0);
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av.compare(VectorOperators.EQ, 0).intoArray(br, 0);
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}
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@Run(test = "testByteVectorEqualToZero")
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public static void testByteVectorEqualToZero_runner() {
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testByteVectorEqualToZero();
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assertArrayEquals(ba, br, (a) -> (a == (byte) 0 ? true : false));
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}
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@Test
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@IR(counts = { IRNode.VMASK_CMP_ZERO_I_NEON, ">= 1" })
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public static void testShortVectorNotEqualToZero() {
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ShortVector av = ShortVector.fromArray(S_SPECIES, sa, 0);
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av.compare(VectorOperators.NE, 0).intoArray(sr, 0);
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}
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@Run(test = "testShortVectorNotEqualToZero")
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public static void testShortVectorNotEqualToZero_runner() {
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testShortVectorNotEqualToZero();
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assertArrayEquals(sa, sr, (a) -> (a != (short) 0 ? true : false));
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}
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@Test
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@IR(counts = { IRNode.VMASK_CMP_ZERO_I_NEON, ">= 1" })
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public static void testIntVectorGreaterEqualToZero() {
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IntVector av = IntVector.fromArray(I_SPECIES, ia, 0);
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av.compare(VectorOperators.GE, 0).intoArray(ir, 0);
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}
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@Run(test = "testIntVectorGreaterEqualToZero")
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public static void testIntVectorGreaterEqualToZero_runner() {
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testIntVectorGreaterEqualToZero();
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assertArrayEquals(ia, ir, (a) -> (a >= 0 ? true : false));
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}
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@Test
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@IR(counts = { IRNode.VMASK_CMP_ZERO_L_NEON, ">= 1" })
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public static void testLongVectorGreaterThanZero() {
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LongVector av = LongVector.fromArray(L_SPECIES, la, 0);
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av.compare(VectorOperators.GT, 0).intoArray(lr, 0);
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}
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@Run(test = "testLongVectorGreaterThanZero")
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public static void testLongVectorGreaterThanZero_runner() {
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testLongVectorGreaterThanZero();
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assertArrayEquals(la, lr, (a) -> (a > 0 ? true : false));
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}
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@Test
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@IR(counts = { IRNode.VMASK_CMP_ZERO_F_NEON, ">= 1" })
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public static void testFloatVectorLessEqualToZero() {
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FloatVector av = FloatVector.fromArray(F_SPECIES, fa, 0);
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av.compare(VectorOperators.LE, 0).intoArray(fr, 0);
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}
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@Run(test = "testFloatVectorLessEqualToZero")
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public static void testFloatVectorLessEqualToZero_runner() {
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testFloatVectorLessEqualToZero();
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assertArrayEquals(fa, fr, (a) -> (a <= 0.0F ? true : false));
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}
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@Test
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@IR(counts = { IRNode.VMASK_CMP_ZERO_D_NEON, ">= 1" })
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public static void testDoubleVectorLessThanZero() {
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DoubleVector av = DoubleVector.fromArray(D_SPECIES, da, 0);
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av.compare(VectorOperators.LT, 0).intoArray(dr, 0);
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}
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@Run(test = "testDoubleVectorLessThanZero")
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public static void testDoubleVectorLessThanZero_runner() {
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testDoubleVectorLessThanZero();
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assertArrayEquals(da, dr, (a) -> (a < 0.0 ? true : false));
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}
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@Test
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@IR(failOn = { IRNode.VMASK_CMP_ZERO_I_NEON })
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public static void testIntVectorUnsignedCondition() {
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IntVector av = IntVector.fromArray(I_SPECIES, ia, 0);
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av.compare(VectorOperators.UGT, 0).intoArray(ir, 0);
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}
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@Test
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@IR(failOn = { IRNode.VMASK_CMP_ZERO_L_NEON })
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public static void testLongVectorUnsignedCondition() {
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LongVector av = LongVector.fromArray(L_SPECIES, la, 0);
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av.compare(VectorOperators.UGE, 0).intoArray(lr, 0);
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}
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public static void main(String[] args) {
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TestFramework testFramework = new TestFramework();
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testFramework.setDefaultWarmup(10000)
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.addFlags("--add-modules=jdk.incubator.vector")
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.addFlags("-XX:UseSVE=0")
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.start();
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}
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}
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