1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
|
/*
* 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);
}
}
}
}
}
|