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/*
* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2025, Rivos 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
* @key randomness
* @bug 8318220
* @summary Test ReverseI intrinsic
*
* @library /test/lib /
* @requires os.arch == "riscv64" & vm.cpu.features ~= ".*zbkb.*"
* @run main/othervm compiler.c2.riscv64.TestIntegerReverse
*/
package compiler.c2.riscv64;
import compiler.lib.ir_framework.*;
import java.util.Random;
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;
import static compiler.lib.golden.GoldenReverse.golden_reverse_integer;
public class TestIntegerReverse {
static Random r = Utils.getRandomInstance();
static final int ITERS = 11000;
static final int ARRLEN = 997;
static int input[] = new int[ARRLEN];
static int outputI[] = new int[ARRLEN];
static long outputL[] = new long[ARRLEN];
static int err;
public static void main(String args[]) {
TestFramework.runWithFlags("-XX:-TieredCompilation", "-XX:CompileThresholdScaling=0.3",
"-XX:+UnlockDiagnosticVMOptions", "-XX:-UseRVV"); // Only test scalar version
}
@Test
@IR(counts = {IRNode.REVERSE_I, "> 0"})
static void test_reverse_ia(int[] input, int[] outputI) {
for (int i = 0; i < input.length; i+=1) {
outputI[i] = Integer.reverse(input[i]);
}
}
@Test
@IR(counts = {IRNode.REVERSE_I, "> 0"})
static void test_reverse_la(int[] input, long[] outputL) {
for (int i = 0; i < input.length; i+=1) {
outputL[i] = Integer.reverse(input[i]);
}
}
@Test
@IR(counts = {IRNode.REVERSE_I, "> 0"})
static void test_reverse_l(int input, long expected) {
if (Integer.reverse(input) != expected) {
err++;
System.out.println("Test failure, input: " + input +
", actual: " + Integer.reverse(input) +
", expected: " + expected);
}
}
@Run(test = {"test_reverse_ia", "test_reverse_la", "test_reverse_l"})
@Warmup(ITERS)
static void test(RunInfo runInfo) {
// Initialize
for (int i = 0; i < ARRLEN; i++) {
input[i] = r.nextInt();
}
input[0] = 0;
input[1] = 1;
input[2] = -1;
input[3] = Integer.MIN_VALUE;
input[4] = Integer.MAX_VALUE;
test_reverse_ia(input, outputI);
test_reverse_la(input, outputL);
for (int i = 0; i < ARRLEN; i++) {
test_reverse_l(input[i], golden_reverse_integer(input[i]));
}
// skip test/verify when warming up
if (runInfo.isWarmUp()) {
return;
}
test_reverse_ia(input, outputI);
test_reverse_la(input, outputL);
for (int i = 0; i < ARRLEN; i++) {
int golden_val = golden_reverse_integer(input[i]);
Asserts.assertEquals(outputI[i], golden_val,
"Test failure (integer array), input: " + input[i] +
", actual: " + outputI[i] +
", expected: " + golden_val);
Asserts.assertEquals(outputL[i], (long)golden_val,
"Test failure (long array), input: " + input[i] +
", actual: " + outputL[i] +
", expected: " + (long)golden_val);
}
err = 0;
for (int i = 0; i < ARRLEN; i++) {
test_reverse_l(input[i], golden_reverse_integer(input[i]));
}
Asserts.assertTrue(err == 0, "Some tests(" + err + ") failed, check previous log for details");
}
}
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