--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Float.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. 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 8138583
+ * @summary Add C2 AArch64 Superword support for scalar sum reduction optimizations : float abs & neg test
+ * @requires os.arch=="aarch64"
+ *
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
+ *      -XX:CompileThresholdScaling=0.1
+ *      -XX:+SuperWordReductions
+ *      -XX:LoopMaxUnroll=2
+ *      compiler.loopopts.superword.SumRedAbsNeg_Double
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
+ *      -XX:CompileThresholdScaling=0.1
+ *      -XX:-SuperWordReductions
+ *      -XX:LoopMaxUnroll=2
+ *      compiler.loopopts.superword.SumRedAbsNeg_Double
+ *
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
+ *      -XX:CompileThresholdScaling=0.1
+ *      -XX:+SuperWordReductions
+ *      -XX:LoopMaxUnroll=4
+ *      compiler.loopopts.superword.SumRedAbsNeg_Double
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
+ *      -XX:CompileThresholdScaling=0.1
+ *      -XX:-SuperWordReductions
+ *      -XX:LoopMaxUnroll=4
+ *      compiler.loopopts.superword.SumRedAbsNeg_Double
+ *
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
+ *      -XX:CompileThresholdScaling=0.1
+ *      -XX:+SuperWordReductions
+ *      -XX:LoopMaxUnroll=8
+ *      compiler.loopopts.superword.SumRedAbsNeg_Double
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
+ *      -XX:CompileThresholdScaling=0.1
+ *      -XX:-SuperWordReductions
+ *      -XX:LoopMaxUnroll=8
+ *      compiler.loopopts.superword.SumRedAbsNeg_Double
+ *
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
+ *      -XX:CompileThresholdScaling=0.1
+ *      -XX:+SuperWordReductions
+ *      -XX:LoopMaxUnroll=16
+ *      compiler.loopopts.superword.SumRedAbsNeg_Double
+ * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
+ *      -XX:CompileThresholdScaling=0.1
+ *      -XX:-SuperWordReductions
+ *      -XX:LoopMaxUnroll=16
+ *      compiler.loopopts.superword.SumRedAbsNeg_Double
+ */
+
+package compiler.loopopts.superword;
+
+public class SumRedAbsNeg_Float {
+    public static void main(String[] args) throws Exception {
+        float[] a = new float[256 * 1024];
+        float[] b = new float[256 * 1024];
+        float[] c = new float[256 * 1024];
+        float[] d = new float[256 * 1024];
+        sumReductionInit(a, b, c);
+        float total = 0;
+        float valid = (float) 4.611686E18;
+
+        for (int j = 0; j < 2000; j++) {
+            total = sumReductionImplement(a, b, c, d, total);
+        }
+
+        if (total == valid) {
+            System.out.println("Success");
+        } else {
+            System.out.println("Invalid sum of elements variable in total: " + total);
+            System.out.println("Expected value = " + valid);
+            throw new Exception("Failed");
+        }
+    }
+
+    public static void sumReductionInit(
+            float[] a,
+            float[] b,
+            float[] c) {
+        for (int j = 0; j < 1; j++) {
+            for (int i = 0; i < a.length; i++) {
+                a[i] = i * 1 + j;
+                b[i] = i * 1 - j;
+                c[i] = i + j;
+            }
+        }
+    }
+
+    public static float sumReductionImplement(
+            float[] a,
+            float[] b,
+            float[] c,
+            float[] d,
+            float total) {
+        for (int i = 0; i < a.length; i++) {
+            d[i] = Math.abs(-a[i] * -b[i]) + Math.abs(-a[i] * -c[i]) + Math.abs(-b[i] * -c[i]);
+            total += d[i];
+        }
+        return total;
+    }
+
+}