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/vectorization/TestRoundVectorFloatAll.java
+++ b/test/hotspot/jtreg/compiler/vectorization/TestRoundVectorFloatAll.java
@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2024, Rivos Inc. 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.
+ */
+
+/**
+ * @test
+ * @bug 8321010
+ * @summary Test vector intrinsic for Math.round(float) in full 32 bits range
+ *
+ * @library /test/lib /
+ * @modules java.base/jdk.internal.math
+ * @requires os.arch == "riscv64" & vm.cpu.features ~= ".*rvv.*"
+ * @run main/othervm -XX:-TieredCompilation -XX:CompileThresholdScaling=0.3 -XX:+UseSuperWord -XX:CompileCommand=compileonly,compiler.vectorization.TestRoundVectorFloatAll::test* compiler.vectorization.TestRoundVectorFloatAll
+ * @run main/othervm -XX:-TieredCompilation -XX:CompileThresholdScaling=0.3 -XX:MaxVectorSize=32 -XX:+UseSuperWord -XX:CompileCommand=compileonly,compiler.vectorization.TestRoundVectorFloatAll::test* compiler.vectorization.TestRoundVectorFloatAll
+ */
+
+package compiler.vectorization;
+
+import java.util.Random;
+import static compiler.lib.golden.GoldenRound.golden_round;
+
+public class TestRoundVectorFloatAll {
+  private static final Random rand = new Random();
+
+  private static final int ITERS  = 11000;
+  private static final int ARRLEN = rand.nextInt(4096-997) + 997;
+  private static final float ADD_INIT = -7500.f;
+
+  public static void main(String args[]) {
+    test();
+  }
+
+  static void test() {
+    float[] input = new float[ARRLEN];
+    int [] res = new int[ARRLEN];
+
+    // Warmup
+    System.out.println("Warmup");
+    for (int i=0; i<ITERS; i++) {
+      test_round(res, input);
+    }
+
+    // Test and verify results
+    System.out.println("Verification");
+    int errn = 0;
+    for (long l = Integer.MIN_VALUE; l <= Integer.MAX_VALUE; l+=ARRLEN) {
+      for (int i = 0; i < ARRLEN; i++) {
+        input[i] = Float.intBitsToFloat((int)(i+l));
+      }
+
+      // run tests
+      test_round(res, input);
+
+      // verify results
+      for (int j = 0; j < ARRLEN; j++) {
+        if (res[j] != golden_round(input[j])) {
+          errn++;
+          System.err.println("round error, input: " + input[j] +
+                             ", res: " + res[j] + "expected: " + golden_round(input[j]) +
+                             ", input hex: " + Float.floatToIntBits(input[j]));
+        }
+      }
+    }
+
+    if (errn > 0) {
+      throw new RuntimeException("There are some round error detected!");
+    }
+  }
+
+  static void test_round(int[] a0, float[] a1) {
+    for (int i = 0; i < a0.length; i+=1) {
+      a0[i] = Math.round(a1[i]);
+    }
+  }
+}