8218550: Add test omitted from JDK-8212043
authorpli
Wed, 06 Feb 2019 16:25:58 +0000
changeset 53658 6268e0cdb008
parent 53657 3954d70e1c50
child 53659 da5dc7e654aa
8218550: Add test omitted from JDK-8212043 Summary: Add test case omitted from fix for JDK-8212043 Reviewed-by: shade
test/hotspot/jtreg/compiler/intrinsics/math/TestFpMinMaxIntrinsics.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/intrinsics/math/TestFpMinMaxIntrinsics.java	Wed Feb 06 16:25:58 2019 +0000
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 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.
+ */
+
+/*
+ * @test
+ * @bug 8212043
+ * @summary Test compiler intrinsics of floating-point Math.min/max
+ *
+ * @run main/othervm -Xint compiler.intrinsics.math.TestFpMinMaxIntrinsics
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions
+ *                   -Xcomp -XX:TieredStopAtLevel=1
+ *                   -XX:CompileOnly=java/lang/Math
+ *                   compiler.intrinsics.math.TestFpMinMaxIntrinsics
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions
+ *                   -Xcomp -XX:-TieredCompilation
+ *                   -XX:CompileOnly=java/lang/Math
+ *                   compiler.intrinsics.math.TestFpMinMaxIntrinsics
+ */
+
+package compiler.intrinsics.math;
+
+import java.util.Arrays;
+
+public class TestFpMinMaxIntrinsics {
+
+    private static final float fPos     =  15280.0f;
+    private static final float fNeg     = -55555.5f;
+    private static final float fPosZero =      0.0f;
+    private static final float fNegZero =     -0.0f;
+    private static final float fPosInf  = Float.POSITIVE_INFINITY;
+    private static final float fNegInf  = Float.NEGATIVE_INFINITY;
+    private static final float fNaN     = Float.NaN;
+
+    private static final double dPos     =  482390926662501720.0;
+    private static final double dNeg     = -333333333333333333.3;
+    private static final double dPosZero =                   0.0;
+    private static final double dNegZero =                  -0.0;
+    private static final double dPosInf  = Double.POSITIVE_INFINITY;
+    private static final double dNegInf  = Double.NEGATIVE_INFINITY;
+    private static final double dNaN     = Double.NaN;
+
+    private static final float[][] f_cases = {
+        //     a         b         min       max
+        {     fPos,     fPos,     fPos,     fPos },
+        {     fPos,     fNeg,     fNeg,     fPos },
+        { fPosZero, fNegZero, fNegZero, fPosZero },
+        { fNegZero, fNegZero, fNegZero, fNegZero },
+        {     fPos,  fPosInf,     fPos,  fPosInf },
+        {     fNeg,  fNegInf,  fNegInf,     fNeg },
+        {     fPos,     fNaN,     fNaN,     fNaN },
+        {  fNegInf,     fNaN,     fNaN,     fNaN },
+    };
+
+    private static final double[][] d_cases = {
+        //     a         b         min       max
+        {     dPos,     dPos,     dPos,     dPos },
+        {     dPos,     dNeg,     dNeg,     dPos },
+        { dPosZero, dNegZero, dNegZero, dPosZero },
+        { dNegZero, dNegZero, dNegZero, dNegZero },
+        {     dPos,  dPosInf,     dPos,  dPosInf },
+        {     dNeg,  dNegInf,  dNegInf,     dNeg },
+        {     dPos,     dNaN,     dNaN,     dNaN },
+        {  dNegInf,     dNaN,     dNaN,     dNaN },
+    };
+
+    private static void fTest(float[] row) {
+        float min = Math.min(row[0], row[1]);
+        float max = Math.max(row[0], row[1]);
+        if (Float.isNaN(min) && Float.isNaN(max)
+                && Float.isNaN(row[2]) && Float.isNaN(row[3])) {
+            // Return if all of them are NaN
+            return;
+        }
+        if (min != row[2] || max != row[3]) {
+            throw new AssertionError("Unexpected result of float min/max: " +
+                    "a = " + row[0] + ", b = " + row[1] + ", " +
+                    "result = (" + min + ", " + max + "), " +
+                    "expected = (" + row[2] + ", " + row[3] + ")");
+        }
+    }
+
+    private static void dTest(double[] row) {
+        double min = Math.min(row[0], row[1]);
+        double max = Math.max(row[0], row[1]);
+        if (Double.isNaN(min) && Double.isNaN(max)
+                && Double.isNaN(row[2]) && Double.isNaN(row[3])) {
+            // Return if all of them are NaN
+            return;
+        }
+        if (min != row[2] || max != row[3]) {
+            throw new AssertionError("Unexpected result of double min/max" +
+                    "a = " + row[0] + ", b = " + row[1] + ", " +
+                    "result = (" + min + ", " + max + "), " +
+                    "expected = (" + row[2] + ", " + row[3] + ")");
+        }
+    }
+
+    public static void main(String[] args) {
+        Arrays.stream(f_cases).forEach(TestFpMinMaxIntrinsics::fTest);
+        Arrays.stream(d_cases).forEach(TestFpMinMaxIntrinsics::dTest);
+        System.out.println("PASS");
+    }
+}
+