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/*
* Copyright (c) 2022, 2024, Oracle and/or its affiliates. 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 8288112
* @summary Auto-vectorization of ReverseBytes operations.
* @requires vm.compiler2.enabled
* @requires (os.simpleArch == "x64" & vm.cpu.features ~= ".*avx2.*") | os.simpleArch == "AArch64" |
* (os.simpleArch == "riscv64" & vm.cpu.features ~= ".*zvbb.*")
* @library /test/lib /
* @run driver compiler.vectorization.TestReverseBytes
*/
package compiler.vectorization;
import compiler.lib.ir_framework.*;
import java.util.Random;
public class TestReverseBytes {
private static final int ARRLEN = 1024;
private static final int ITERS = 11000;
private static long [] linp;
private static long [] lout;
private static int [] iinp;
private static int [] iout;
private static short [] sinp;
private static short [] sout;
private static char [] cinp;
private static char [] cout;
public static void setup() {
Random r = new Random(1024);
linp = new long[ARRLEN];
lout = new long[ARRLEN];
iinp = new int[ARRLEN];
iout = new int[ARRLEN];
sinp = new short[ARRLEN];
sout = new short[ARRLEN];
cinp = new char[ARRLEN];
cout = new char[ARRLEN];
for(int i = 0; i < ARRLEN; i++) {
linp[i] = r.nextLong();
iinp[i] = r.nextInt();
sinp[i] = (short)r.nextInt();
cinp[i] = (char)r.nextInt();
}
}
public static void main(String args[]) {
setup();
TestFramework.runWithFlags("-XX:-TieredCompilation",
"-XX:CompileThresholdScaling=0.3");
System.out.println("PASSED");
}
@Test
@IR(counts = {IRNode.REVERSE_BYTES_VL, "> 0"})
public void test_reverse_bytes_long(long[] lout, long[] linp) {
for (int i = 0; i < lout.length; i+=1) {
lout[i] = Long.reverseBytes(linp[i]);
}
}
@Run(test = {"test_reverse_bytes_long"}, mode = RunMode.STANDALONE)
public void kernel_test_reverse_bytes_long() {
setup();
for (int i = 0; i < ITERS; i++) {
test_reverse_bytes_long(lout , linp);
}
}
@Test
@IR(counts = {IRNode.REVERSE_BYTES_VI, "> 0"})
public void test_reverse_bytes_int(int[] iout, int[] iinp) {
for (int i = 0; i < iout.length; i+=1) {
iout[i] = Integer.reverseBytes(iinp[i]);
}
}
@Run(test = {"test_reverse_bytes_int"}, mode = RunMode.STANDALONE)
public void kernel_test_reverse_bytes_int() {
setup();
for (int i = 0; i < ITERS; i++) {
test_reverse_bytes_int(iout , iinp);
}
}
@Test
@IR(counts = {IRNode.REVERSE_BYTES_VS, "> 0"})
public void test_reverse_bytes_short(short[] sout, short[] sinp) {
for (int i = 0; i < sout.length; i+=1) {
sout[i] = Short.reverseBytes(sinp[i]);
}
}
@Run(test = {"test_reverse_bytes_short"}, mode = RunMode.STANDALONE)
public void kernel_test_reverse_bytes_short() {
setup();
for (int i = 0; i < ITERS; i++) {
test_reverse_bytes_short(sout , sinp);
}
}
@Test
@IR(counts = {IRNode.REVERSE_BYTES_VS, "> 0"})
public void test_reverse_bytes_char(char[] cout, char[] cinp) {
for (int i = 0; i < cout.length; i+=1) {
cout[i] = Character.reverseBytes(cinp[i]);
}
}
@Run(test = {"test_reverse_bytes_char"}, mode = RunMode.STANDALONE)
public void kernel_test_reverse_bytes_char() {
setup();
for (int i = 0; i < ITERS; i++) {
test_reverse_bytes_char(cout , cinp);
}
}
}
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