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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/hotspot/jtreg/compiler/vectorapi/VectorMaskedNotTest.java
+++ b/test/hotspot/jtreg/compiler/vectorapi/VectorMaskedNotTest.java
@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package compiler.vectorapi;
+
+import compiler.lib.ir_framework.*;
+
+import java.util.Random;
+
+import jdk.incubator.vector.IntVector;
+import jdk.incubator.vector.LongVector;
+import jdk.incubator.vector.VectorMask;
+import jdk.incubator.vector.VectorOperators;
+import jdk.incubator.vector.VectorSpecies;
+
+import jdk.test.lib.Asserts;
+import jdk.test.lib.Utils;
+
+/**
+ * @test
+ * @bug 8288397
+ * @key randomness
+ * @library /test/lib /
+ * @requires vm.cpu.features ~= ".*sve.*"
+ * @summary AArch64: Fix register issues in SVE backend match rules
+ * @modules jdk.incubator.vector
+ *
+ * @run driver compiler.vectorapi.VectorMaskedNotTest
+ */
+
+public class VectorMaskedNotTest {
+    private static final VectorSpecies<Integer> I_SPECIES = IntVector.SPECIES_MAX;
+    private static final VectorSpecies<Long> L_SPECIES = LongVector.SPECIES_MAX;
+
+    private static int LENGTH = 128;
+    private static final Random RD = Utils.getRandomInstance();
+
+    private static int[] ia;
+    private static int[] ir;
+    private static long[] la;
+    private static long[] lr;
+    private static boolean[] m;
+
+    static {
+        ia = new int[LENGTH];
+        ir = new int[LENGTH];
+        la = new long[LENGTH];
+        lr = new long[LENGTH];
+        m = new boolean[LENGTH];
+
+        for (int i = 0; i < LENGTH; i++) {
+            ia[i] = RD.nextInt(25);
+            la[i] = RD.nextLong(25);
+            m[i] = RD.nextBoolean();
+        }
+    }
+
+    @Test
+    @Warmup(10000)
+    @IR(counts = { IRNode.VNOT_I_MASKED, ">= 1" })
+    public static void testIntNotMasked() {
+        VectorMask<Integer> mask = VectorMask.fromArray(I_SPECIES, m, 0);
+        IntVector av = IntVector.fromArray(I_SPECIES, ia, 0);
+        av.lanewise(VectorOperators.NOT, mask).add(av).intoArray(ir, 0);
+
+        // Verify results
+        for (int i = 0; i < I_SPECIES.length(); i++) {
+            if (m[i]) {
+                Asserts.assertEquals((~ia[i]) + ia[i], ir[i]);
+            } else {
+                Asserts.assertEquals(ia[i] + ia[i], ir[i]);
+            }
+        }
+    }
+
+    @Test
+    @Warmup(10000)
+    @IR(counts = { IRNode.VNOT_L_MASKED, ">= 1" })
+    public static void testLongNotMasked() {
+        VectorMask<Long> mask = VectorMask.fromArray(L_SPECIES, m, 0);
+        LongVector av = LongVector.fromArray(L_SPECIES, la, 0);
+        av.lanewise(VectorOperators.NOT, mask).add(av).intoArray(lr, 0);
+
+        // Verify results
+        for (int i = 0; i < L_SPECIES.length(); i++) {
+            if (m[i]) {
+                Asserts.assertEquals((~la[i]) + la[i], lr[i]);
+            } else {
+                Asserts.assertEquals(la[i] + la[i], lr[i]);
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        TestFramework.runWithFlags("--add-modules=jdk.incubator.vector",
+                                   "-XX:UseSVE=1");
+    }
+}