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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 8318221
* @summary Test ReverseL intrinsic
*
* @library /test/lib /
* @requires os.arch == "riscv64" & vm.cpu.features ~= ".*zbkb.*"
* @run main/othervm compiler.c2.riscv64.TestLongReverse
*/
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_long;
public class TestLongReverse {
static Random r = Utils.getRandomInstance();
static final int ITERS = 11000;
static final int ARRLEN = 997;
static long input[] = new long[ARRLEN];
static long output[] = new long[ARRLEN];
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_L, "> 0"})
static void test_reverse(long[] input, long[] output) {
for (int i = 0; i < input.length; i+=1) {
output[i] = Long.reverse(input[i]);
}
}
@Run(test = "test_reverse")
@Warmup(ITERS)
static void test(RunInfo runInfo) {
// Initialize
for (int i = 0; i < ARRLEN; i++) {
input[i] = r.nextLong();
}
input[0] = 0L;
input[1] = 1L;
input[2] = -1L;
input[3] = Long.MIN_VALUE;
input[4] = Long.MAX_VALUE;
test_reverse(input, output);
// skip test/verify when warming up
if (runInfo.isWarmUp()) {
return;
}
test_reverse(input, output);
for (int i = 0; i < ARRLEN; i++) {
long golden_val = golden_reverse_long(input[i]);
Asserts.assertEquals(output[i], golden_val,
"Test failure, input: " + input[i] +
", actual: " + output[i] +
", expected: " + golden_val);
}
}
}
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