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) 2025, NVIDIA CORPORATION & 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 compiler.lib.ir_framework.*;
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import jdk.incubator.vector.*;
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import jdk.test.lib.Asserts;
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/**
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* @test
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* @bug 8366588
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* @key randomness
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* @library /test/lib /
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* @summary VectorAPI: Re-intrinsify VectorMask.laneIsSet where the input index is a variable
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* @modules jdk.incubator.vector
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*
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* @run driver compiler.vectorapi.VectorMaskLaneIsSetTest
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*/
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public class VectorMaskLaneIsSetTest {
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static final VectorSpecies<Byte> B_SPECIES = ByteVector.SPECIES_MAX;
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static final VectorSpecies<Short> S_SPECIES = ShortVector.SPECIES_MAX;
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static final VectorSpecies<Integer> I_SPECIES = IntVector.SPECIES_MAX;
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static final VectorSpecies<Float> F_SPECIES = FloatVector.SPECIES_MAX;
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static final VectorSpecies<Long> L_SPECIES = LongVector.SPECIES_MAX;
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static final VectorSpecies<Double> D_SPECIES = DoubleVector.SPECIES_MAX;
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static final int LENGTH = 512;
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static boolean[] ma;
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static VectorMask<Byte> mask_b;
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static VectorMask<Short> mask_s;
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static VectorMask<Integer> mask_i;
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static VectorMask<Long> mask_l;
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static VectorMask<Float> mask_f;
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static VectorMask<Double> mask_d;
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static {
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ma = new boolean[LENGTH];
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for (int i = 0; i < LENGTH; i++) {
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ma[i] = i % 2 == 0;
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}
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mask_b = VectorMask.fromArray(B_SPECIES, ma, 0);
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mask_s = VectorMask.fromArray(S_SPECIES, ma, 0);
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mask_i = VectorMask.fromArray(I_SPECIES, ma, 0);
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mask_l = VectorMask.fromArray(L_SPECIES, ma, 0);
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mask_f = VectorMask.fromArray(F_SPECIES, ma, 0);
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mask_d = VectorMask.fromArray(D_SPECIES, ma, 0);
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}
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@Test
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@IR(counts = { IRNode.VECTOR_MASK_LANE_IS_SET, "= 6" }, applyIfCPUFeature = { "asimd", "true" })
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@IR(counts = { IRNode.VECTOR_MASK_TO_LONG, "= 6" }, applyIfCPUFeatureOr = { "avx2", "true", "rvv", "true" })
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public static void testVectorMaskLaneIsSetByte_const() {
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Asserts.assertEquals(ma[0], mask_b.laneIsSet(0));
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Asserts.assertEquals(ma[0], mask_s.laneIsSet(0));
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Asserts.assertEquals(ma[0], mask_i.laneIsSet(0));
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Asserts.assertEquals(ma[0], mask_l.laneIsSet(0));
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Asserts.assertEquals(ma[0], mask_f.laneIsSet(0));
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Asserts.assertEquals(ma[0], mask_d.laneIsSet(0));
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}
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@Test
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@IR(counts = { IRNode.VECTOR_MASK_LANE_IS_SET, "= 1" }, applyIfCPUFeature = { "asimd", "true" })
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@IR(counts = { IRNode.VECTOR_MASK_TO_LONG, "= 1" }, applyIfCPUFeatureOr = { "avx", "true", "rvv", "true" })
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public static boolean testVectorMaskLaneIsSet_Byte_variable(int i) {
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return mask_b.laneIsSet(i);
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}
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@Run(test = "testVectorMaskLaneIsSet_Byte_variable")
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public static void testVectorMaskLaneIsSet_Byte_variable_runner() {
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Asserts.assertEquals(ma[0], testVectorMaskLaneIsSet_Byte_variable(0));
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}
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@Test
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@IR(counts = { IRNode.VECTOR_MASK_LANE_IS_SET, "= 1" }, applyIfCPUFeature = { "asimd", "true" })
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@IR(counts = { IRNode.VECTOR_MASK_TO_LONG, "= 1" }, applyIfCPUFeatureOr = { "avx", "true", "rvv", "true" })
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public static boolean testVectorMaskLaneIsSet_Short_variable(int i) {
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return mask_s.laneIsSet(i);
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}
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@Run(test = "testVectorMaskLaneIsSet_Short_variable")
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public static void testVectorMaskLaneIsSet_Short_variable_runner() {
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Asserts.assertEquals(ma[0], testVectorMaskLaneIsSet_Short_variable(0));
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}
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@Test
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@IR(counts = { IRNode.VECTOR_MASK_LANE_IS_SET, "= 1" }, applyIfCPUFeature = { "asimd", "true" })
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@IR(counts = { IRNode.VECTOR_MASK_TO_LONG, "= 1" }, applyIfCPUFeatureOr = { "avx", "true", "rvv", "true" })
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public static boolean testVectorMaskLaneIsSet_Int_variable(int i) {
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return mask_i.laneIsSet(i);
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}
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@Run(test = "testVectorMaskLaneIsSet_Int_variable")
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public static void testVectorMaskLaneIsSet_Int_variable_runner() {
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Asserts.assertEquals(ma[0], testVectorMaskLaneIsSet_Int_variable(0));
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}
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@Test
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@IR(counts = { IRNode.VECTOR_MASK_LANE_IS_SET, "= 1" }, applyIfCPUFeature = { "asimd", "true" })
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@IR(counts = { IRNode.VECTOR_MASK_TO_LONG, "= 1" }, applyIfCPUFeatureOr = { "avx2", "true", "rvv", "true" })
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public static boolean testVectorMaskLaneIsSet_Long_variable(int i) {
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return mask_l.laneIsSet(i);
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}
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@Run(test = "testVectorMaskLaneIsSet_Long_variable")
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public static void testVectorMaskLaneIsSet_Long_variable_runner() {
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Asserts.assertEquals(ma[0], testVectorMaskLaneIsSet_Long_variable(0));
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}
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@Test
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@IR(counts = { IRNode.VECTOR_MASK_LANE_IS_SET, "= 1" }, applyIfCPUFeature = { "asimd", "true" })
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@IR(counts = { IRNode.VECTOR_MASK_TO_LONG, "= 1" }, applyIfCPUFeatureOr = { "avx", "true", "rvv", "true" })
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public static boolean testVectorMaskLaneIsSet_Float_variable(int i) {
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return mask_f.laneIsSet(i);
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}
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@Run(test = "testVectorMaskLaneIsSet_Float_variable")
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public static void testVectorMaskLaneIsSet_Float_variable_runner() {
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Asserts.assertEquals(ma[0], testVectorMaskLaneIsSet_Float_variable(0));
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}
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@Test
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@IR(counts = { IRNode.VECTOR_MASK_LANE_IS_SET, "= 1" }, applyIfCPUFeature = { "asimd", "true" })
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@IR(counts = { IRNode.VECTOR_MASK_TO_LONG, "= 1" }, applyIfCPUFeatureOr = { "avx2", "true", "rvv", "true" })
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public static boolean testVectorMaskLaneIsSet_Double_variable(int i) {
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return mask_d.laneIsSet(i);
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}
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@Run(test = "testVectorMaskLaneIsSet_Double_variable")
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public static void testVectorMaskLaneIsSet_Double_variable_runner() {
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Asserts.assertEquals(ma[0], testVectorMaskLaneIsSet_Double_variable(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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.start();
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}
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}
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