src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64.test/src/org/graalvm/compiler/core/aarch64/test/AArch64MultiplyLongTest.java
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* Copyright (c) 2019, 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
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*
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* 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).
*
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* 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.core.aarch64.test;
import org.junit.Test;
public class AArch64MultiplyLongTest extends AArch64MatchRuleTest {
public long signedMulLong(int a, int b) {
return a * (long) b;
}
public long signedMulLongFromShort(short a, short b) {
return (long) a * b;
}
public long signedMulLongFromChar(char a, char b) {
return a * (long) b;
}
public long signedMulLongFromByte(byte a, byte b) {
return (long) a * b;
}
@Test
public void testSignedMulLong() {
test("signedMulLong", 0x12345678, 0x87654321);
checkLIR("signedMulLong", op -> op.name().equals("SMULL"), 1);
test("signedMulLongFromShort", (short) 32767, (short) -32768);
checkLIR("signedMulLongFromShort", op -> op.name().equals("SMULL"), 1);
test("signedMulLongFromChar", (char) 59999, (char) 65535);
checkLIR("signedMulLongFromChar", op -> op.name().equals("SMULL"), 1);
test("signedMulLongFromByte", (byte) 10, (byte) -256);
checkLIR("signedMulLongFromByte", op -> op.name().equals("SMULL"), 1);
}
public long signedMNegLong1(int a, int b) {
return -(a * (long) b);
}
public long signedMNegLong2(int a, int b) {
return a * (-(long) b);
}
@Test
public void testSignedMNegLong() {
test("signedMNegLong1", 0x89abcdef, 0xfedcba98);
checkLIR("signedMNegLong1", op -> op.name().equals("SMNEGL"), 1);
test("signedMNegLong2", 0x89abcdef, 0xfedcba98);
checkLIR("signedMNegLong2", op -> op.name().equals("SMNEGL"), 1);
}
public long signedMAddLong1(int a, int b, long c) {
return c + a * (long) b;
}
public long signedMAddLong2(int a, int b, long c) {
return a * (long) b + c;
}
@Test
public void testSignedMAddLong() {
test("signedMAddLong1", 0x22228888, 0xaaaacccc, 0x123456789abcdL);
checkLIR("signedMAddLong1", op -> op.name().equals("SMADDL"), 1);
test("signedMAddLong2", 0x22228888, 0xaaaacccc, 0x123456789abcdL);
checkLIR("signedMAddLong2", op -> op.name().equals("SMADDL"), 1);
}
public long signedMSubLong(int a, int b, long c) {
return c - a * (long) b;
}
@Test
public void testSignedMSubLong() {
test("signedMSubLong", 0x99995555, 0xeeeebbbb, 0x3456789abcdefL);
checkLIR("signedMSubLong", op -> op.name().equals("SMSUBL"), 1);
}
}