--- /dev/null 2016-11-30 09:15:00.709218985 +0100 +++ new/test/compiler/floatingpoint/TestFMA.java 2016-12-09 17:30:02.389755961 +0100 @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2016, Red Hat, 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 8162338 + * @summary intrinsify fused mac operations + * @run main/othervm -XX:-BackgroundCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestFMA + * + */ + +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; + +// Test all fused mac instructions that can be generated +public class TestFMA { + + @Test(args = {5.0F, 10.0F, 7.0F}, res = 57.0F) + static float test1(float a, float b, float c) { + return Math.fma(a, b, c); + } + + @Test(args = {5.0D, 10.0D, 7.0D}, res = 57.0D) + static double test2(double a, double b, double c) { + return Math.fma(a, b, c); + } + + @Test(args = {5.0F, 10.0F, 7.0F}, res = -43.0F) + static float test3(float a, float b, float c) { + return Math.fma(-a, b, c); + } + + @Test(args = {5.0D, 10.0D, 7.0D}, res = -43.0D) + static double test4(double a, double b, double c) { + return Math.fma(-a, b, c); + } + + @Test(args = {5.0F, 10.0F, 7.0F}, res = -43.0F) + static float test5(float a, float b, float c) { + return Math.fma(a, -b, c); + } + + @Test(args = {5.0D, 10.0D, 7.0D}, res = -43.0D) + static double test6(double a, double b, double c) { + return Math.fma(a, -b, c); + } + + @Test(args = {5.0F, 10.0F, 7.0F}, res = -57.0F) + static float test7(float a, float b, float c) { + return Math.fma(-a, b, -c); + } + + @Test(args = {5.0D, 10.0D, 7.0D}, res = -57.0D) + static double test8(double a, double b, double c) { + return Math.fma(-a, b, -c); + } + + @Test(args = {5.0F, 10.0F, 7.0F}, res = -57.0F) + static float test9(float a, float b, float c) { + return Math.fma(a, -b, -c); + } + + @Test(args = {5.0D, 10.0D, 7.0D}, res = -57.0D) + static double test10(double a, double b, double c) { + return Math.fma(a, -b, -c); + } + + @Test(args = {5.0F, 10.0F, 7.0F}, res = 43.0F) + static float test11(float a, float b, float c) { + return Math.fma(a, b, -c); + } + + @Test(args = {5.0D, 10.0D, 7.0D}, res = 43.0D) + static double test12(double a, double b, double c) { + return Math.fma(a, b, -c); + } + + static public void main(String[] args) throws Exception { + TestFMA t = new TestFMA(); + for (Method m : t.getClass().getDeclaredMethods()) { + if (m.getName().matches("test[0-9]+?")) { + t.doTest(m); + } + } + } + + @Retention(RetentionPolicy.RUNTIME) + @interface Test { + double[] args(); + double res(); + } + + void doTest(Method m) throws Exception { + String name = m.getName(); + System.out.println("Testing " + name); + Class retType = m.getReturnType(); + Test test = m.getAnnotation(Test.class); + double[] args = test.args(); + double expected = test.res(); + + for (int i = 0; i < 20000; i++) { + if (retType == double.class) { + Object res = m.invoke(null, (double)args[0], (double)args[1], (double)args[2]); + if ((double)res != expected) { + throw new RuntimeException(name + " failed : " + (double)res + " != " + expected); + } + } else { + Object res = m.invoke(null, (float)args[0], (float)args[1], (float)args[2]); + if ((float)res != (float)expected) { + throw new RuntimeException(name + " failed : " + (float)res + " != " + (float)expected); + } + } + } + } +}