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* 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.
*
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package org.graalvm.compiler.truffle.test;
import org.junit.Test;
import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration;
import org.graalvm.compiler.truffle.substitutions.TruffleGraphBuilderPlugins;
import com.oracle.truffle.api.ExactMath;
public class ExactMathTest extends GraalCompilerTest {
@Override
protected GraphBuilderConfiguration editGraphBuilderConfiguration(GraphBuilderConfiguration conf) {
TruffleGraphBuilderPlugins.registerExactMathPlugins(conf.getPlugins().getInvocationPlugins());
return super.editGraphBuilderConfiguration(conf);
}
@Test
public void testAdd() {
test("add", 1, 2);
test("add", Integer.MAX_VALUE, 2);
test("add", Integer.MIN_VALUE, -1);
test("add", -1, 2);
}
@Test
public void testMul() {
test("mul", 1, 2);
test("mul", -1, 2);
test("mul", Integer.MIN_VALUE, 1);
test("mul", Integer.MIN_VALUE, 2);
test("mul", Integer.MIN_VALUE, Integer.MIN_VALUE);
test("mul", Integer.MAX_VALUE, 1);
test("mul", Integer.MAX_VALUE, 2);
test("mul", Integer.MAX_VALUE, Integer.MAX_VALUE);
}
@Test
public void testSub() {
test("sub", 1, 2);
test("sub", Integer.MIN_VALUE, 2);
}
@Test
public void testMulHigh() {
test("mulHigh", 7, 15);
test("mulHigh", Integer.MAX_VALUE, 15);
test("mulHigh", Integer.MIN_VALUE, 15);
}
@Test
public void testMulHighUnsigned() {
test("mulHighUnsigned", 7, 15);
test("mulHighUnsigned", Integer.MAX_VALUE, 15);
test("mulHighUnsigned", 15, Integer.MAX_VALUE);
test("mulHighUnsigned", Integer.MAX_VALUE, Integer.MAX_VALUE);
test("mulHighUnsigned", 15, Integer.MIN_VALUE);
test("mulHighUnsigned", Integer.MIN_VALUE, 15);
test("mulHighUnsigned", Integer.MIN_VALUE, Integer.MIN_VALUE);
}
@Test
public void testLongAdd() {
test("longAdd", (long) Integer.MAX_VALUE, 2L);
test("longAdd", Long.MAX_VALUE, 2L);
}
@Test
public void testLongMul() {
test("longMul", (long) Integer.MAX_VALUE, 2L);
test("longMul", (long) Integer.MIN_VALUE, 2L);
test("longMul", Long.MAX_VALUE, 2L);
test("longMul", Long.MAX_VALUE, 1L);
test("longMul", Long.MAX_VALUE, Long.MAX_VALUE);
test("longMul", Long.MIN_VALUE, Long.MIN_VALUE);
test("longMul", Long.MIN_VALUE, Long.MAX_VALUE);
}
@Test
public void testLongSub() {
test("longSub", (long) Integer.MIN_VALUE, 2L);
test("longSub", Long.MIN_VALUE, 2L);
}
@Test
public void testLongMulHigh() {
test("longMulHigh", 7L, 15L);
test("longMulHigh", Long.MAX_VALUE, 15L);
test("longMulHigh", 15L, Long.MAX_VALUE);
test("longMulHigh", Long.MAX_VALUE, Long.MAX_VALUE);
test("longMulHigh", Long.MIN_VALUE, 15L);
test("longMulHigh", 15L, Long.MIN_VALUE);
test("longMulHigh", Long.MIN_VALUE, Long.MIN_VALUE);
}
@Test
public void testLongMulHighUnsigned() {
test("longMulHighUnsigned", 7L, 15L);
test("longMulHighUnsigned", Long.MAX_VALUE, 15L);
test("longMulHighUnsigned", Long.MIN_VALUE, 15L);
}
public static int add(int a, int b) {
return ExactMath.addExact(a, b);
}
public static int mul(int a, int b) {
return ExactMath.multiplyExact(a, b);
}
public static int sub(int a, int b) {
return ExactMath.subtractExact(a, b);
}
public static int mulHigh(int a, int b) {
return ExactMath.multiplyHigh(a, b);
}
public static int mulHighUnsigned(int a, int b) {
return ExactMath.multiplyHighUnsigned(a, b);
}
public static long longAdd(long a, long b) {
return ExactMath.addExact(a, b);
}
public static long longMul(long a, long b) {
return ExactMath.multiplyExact(a, b);
}
public static long longSub(long a, long b) {
return ExactMath.subtractExact(a, b);
}
public static long longMulHigh(long a, long b) {
return ExactMath.multiplyHigh(a, b);
}
public static long longMulHighUnsigned(long a, long b) {
return ExactMath.multiplyHighUnsigned(a, b);
}
}