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/*
* Copyright (c) 2024, 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.
*/
package compiler.c2;
import jdk.internal.misc.Unsafe;
import jdk.test.lib.Asserts;
/**
* @test TestCastX2P
* @summary AArch64: remove extra register copy when converting from long to pointer.
* @bug 8336245
* @library /test/lib
* @modules java.base/jdk.internal.misc
* @run main/othervm -XX:-TieredCompilation compiler.c2.TestCastX2P
*/
public class TestCastX2P {
public static final int LEN = 2040;
static final Unsafe UNSAFE = Unsafe.getUnsafe();
public static long lseed = 0xbeef;
public static int iseed = 0xbeef;
public static short sseed = (short) (0xef);
public static byte bseed = (byte) (0xe);
public static long off1 = 16;
public static long off2 = 32;
public static long off3 = 64;
public static class TestLong {
private static long address = UNSAFE.allocateMemory(LEN);
static {
for (int k = 0; k < 10_000; k++) {
for (int i = 0; i < LEN/2; i++) {
UNSAFE.putLong(address+i, lseed);
}
}
UNSAFE.putLong(address + off1 + 1030, lseed);
UNSAFE.putLong(address + 1023, lseed);
UNSAFE.putLong(address + off2 + 1001, lseed);
}
}
public static class TestLongIndirect {
private static long address = UNSAFE.allocateMemory(LEN);
static {
for (int k = 0; k < 1000; k++) {
for (int i = 0; i < LEN/2; i++) {
UNSAFE.putLong(address+i, lseed);
}
}
UNSAFE.putLong(address + off1, lseed);
UNSAFE.putLong(address + off1 + off2, lseed);
UNSAFE.putLong(address + off3, lseed);
}
}
public static class TestInt {
private static long address = UNSAFE.allocateMemory(LEN);
static {
for (int k = 0; k < 10_000; k++) {
for (int i = 0; i < LEN/2; i++) {
UNSAFE.putInt(address+i, iseed);
}
}
UNSAFE.putInt(address + off1 + 274, iseed);
UNSAFE.putInt(address + 278, iseed);
UNSAFE.putInt(address + off2 + 282, iseed);
}
}
public static class TestIntIndirect {
private static long address = UNSAFE.allocateMemory(LEN);
static {
for (int k = 0; k < 1000; k++) {
for (int i = 0; i < LEN/2; i++) {
UNSAFE.putInt(address+i, iseed);
}
}
UNSAFE.putInt(address + off1, iseed);
UNSAFE.putInt(address + off1 + off2, iseed);
UNSAFE.putInt(address + off3, iseed);
}
}
public static class TestShort {
private static long address = UNSAFE.allocateMemory(LEN);
static {
for (int k = 0; k < 10_000; k++) {
for (int i = 0; i < LEN/2; i++) {
UNSAFE.putShort(address+i, sseed);
}
}
UNSAFE.putShort(address + off1 + 257, sseed);
UNSAFE.putShort(address + 277, sseed);
UNSAFE.putShort(address + off2 + 283, sseed);
}
}
public static class TestShortIndirect {
private static long address = UNSAFE.allocateMemory(LEN);
static {
for (int k = 0; k < 1000; k++) {
for (int i = 0; i < LEN/2; i++) {
UNSAFE.putShort(address+i, sseed);
}
}
UNSAFE.putShort(address + off1, sseed);
UNSAFE.putShort(address + off1 + off2, sseed);
UNSAFE.putShort(address + off3, sseed);
}
}
public static class TestByte {
private static long address = UNSAFE.allocateMemory(LEN);
static {
for (int k = 0; k < 10_000; k++) {
for (int i = 0; i < LEN/2; i++) {
UNSAFE.putByte(address+i, bseed);
}
}
UNSAFE.putByte(address + off1 + 257, bseed);
UNSAFE.putByte(address + 277, bseed);
UNSAFE.putByte(address + off2 + 283, bseed);
}
}
public static class TestByteIndirect {
private static long address = UNSAFE.allocateMemory(LEN);
static {
for (int k = 0; k < 1000; k++) {
for (int i = 0; i < LEN/2; i++) {
UNSAFE.putByte(address+i, bseed);
}
}
UNSAFE.putByte(address + off1, bseed);
UNSAFE.putByte(address + off1 + off2, bseed);
UNSAFE.putByte(address + off3, bseed);
}
}
static void test() {
TestLong t1 = new TestLong();
Asserts.assertEquals(UNSAFE.getLong(t1.address + off1 + 1030), lseed, "put long failed!");
Asserts.assertEquals(UNSAFE.getLong(t1.address + 1023), lseed, "put long failed!");
Asserts.assertEquals(UNSAFE.getLong(t1.address + off2 + 1001), lseed, "put long failed!");
TestLongIndirect t2 = new TestLongIndirect();
Asserts.assertEquals(UNSAFE.getLong(t2.address + off1), lseed, "put long failed!");
Asserts.assertEquals(UNSAFE.getLong(t2.address + off1 + off2), lseed, "put long failed!");
Asserts.assertEquals(UNSAFE.getLong(t2.address + off3), lseed, "put long failed!");
TestInt t3 = new TestInt();
Asserts.assertEquals(UNSAFE.getInt(t3.address + off1 + 274), iseed, "put int failed!");
Asserts.assertEquals(UNSAFE.getInt(t3.address + 278), iseed, "put int failed!");
Asserts.assertEquals(UNSAFE.getInt(t3.address + off2 + 282), iseed, "put int failed!");
TestIntIndirect t4 = new TestIntIndirect();
Asserts.assertEquals(UNSAFE.getInt(t4.address + off1), iseed, "put int failed!");
Asserts.assertEquals(UNSAFE.getInt(t4.address + off1 + off2), iseed, "put int failed!");
Asserts.assertEquals(UNSAFE.getInt(t4.address + off3), iseed, "put int failed!");
TestShort t5 = new TestShort();
Asserts.assertEquals(UNSAFE.getShort(t5.address + off1 + 257), sseed, "put short failed!");
Asserts.assertEquals(UNSAFE.getShort(t5.address + 277), sseed, "put short failed!");
Asserts.assertEquals(UNSAFE.getShort(t5.address + off2 + 283), sseed, "put short failed!");
TestShortIndirect t6 = new TestShortIndirect();
Asserts.assertEquals(UNSAFE.getShort(t6.address + off1), sseed, "put short failed!");
Asserts.assertEquals(UNSAFE.getShort(t6.address + off1 + off2), sseed, "put short failed!");
Asserts.assertEquals(UNSAFE.getShort(t6.address + off3), sseed, "put short failed!");
TestByte t7 = new TestByte();
Asserts.assertEquals(UNSAFE.getByte(t7.address + off1 + 257), bseed, "put byte failed!");
Asserts.assertEquals(UNSAFE.getByte(t7.address + 277), bseed, "put byte failed!");
Asserts.assertEquals(UNSAFE.getByte(t7.address + off2 + 283), bseed, "put byte failed!");
TestByteIndirect t8 = new TestByteIndirect();
Asserts.assertEquals(UNSAFE.getByte(t8.address + off1), bseed, "put byte failed!");
Asserts.assertEquals(UNSAFE.getByte(t8.address + off1 + off2), bseed, "put byte failed!");
Asserts.assertEquals(UNSAFE.getByte(t8.address + off3), bseed, "put byte failed!");
}
public static void main(String[] strArr) {
test();
}
}
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