jdk-24/test/hotspot/jtreg/compiler/vectorapi/VectorReinterpretTest.java
2021-01-22 00:13:58 +00:00

78 lines
2.7 KiB
Java

/*
* Copyright (C) 2021 THL A29 Limited, a Tencent company. 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.vectorapi;
import jdk.incubator.vector.ByteVector;
import jdk.incubator.vector.VectorOperators;
import jdk.incubator.vector.VectorSpecies;
/*
* @test
* @bug 8259775
* @summary Incorrect code-gen for VectorReinterpret operation
* @modules jdk.incubator.vector
* @run main/othervm -Xbatch compiler.vectorapi.VectorReinterpretTest
*/
public class VectorReinterpretTest {
static final VectorSpecies<Byte> SPECIES_128 = ByteVector.SPECIES_128;
static final VectorSpecies<Byte> SPECIES_256 = ByteVector.SPECIES_256;
static final VectorSpecies<Byte> SPECIES_512 = ByteVector.SPECIES_512;
static byte[] a = new byte[64];
private static void test256_128_256() {
ByteVector av = ByteVector.fromArray(SPECIES_256, a, 0);
ByteVector bv = (ByteVector)av.reinterpretShape(SPECIES_128, 0);
ByteVector cv = (ByteVector)bv.reinterpretShape(SPECIES_256, 0);
if (bv.reduceLanes(VectorOperators.ADD) != 16 ||
cv.reduceLanes(VectorOperators.ADD) != 16) {
throw new Error("Failed");
}
}
private static void test512_256_512() {
ByteVector av = ByteVector.fromArray(SPECIES_512, a, 0);
ByteVector bv = (ByteVector)av.reinterpretShape(SPECIES_256, 0);
ByteVector cv = (ByteVector)bv.reinterpretShape(SPECIES_512, 0);
if (bv.reduceLanes(VectorOperators.ADD) != 32 ||
cv.reduceLanes(VectorOperators.ADD) != 32) {
throw new Error("Failed");
}
}
public static void main(String[] args) {
for (int i = 0; i < a.length; i++) {
a[i] = 1;
}
for (int i = 0; i < 100000; i++) {
test256_128_256();
test512_256_512();
}
}
}