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/*
* Copyright (c) 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.
*/
package compiler.vectorapi;
/*
* @test
* @bug 8329555
* @modules jdk.incubator.vector
*
* @run main/othervm -Xbatch -XX:+TieredCompilation compiler.vectorapi.TestBiMorphicMismatchedMemSegment
*/
import jdk.incubator.vector.ByteVector;
import java.lang.foreign.MemorySegment;
import java.nio.ByteOrder;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.atomic.AtomicLong;
import java.util.stream.IntStream;
public class TestBiMorphicMismatchedMemSegment {
public static void main(String[] args) {
AtomicLong aLong = new AtomicLong();
IntStream.range(0, 10000).forEach(j -> {
byte[] bytes = new byte[64];
ThreadLocalRandom.current().nextBytes(bytes);
var byteSegment = MemorySegment.ofArray(bytes);
var byteFragment = ByteVector.SPECIES_PREFERRED.fromMemorySegment(byteSegment, 0, ByteOrder.LITTLE_ENDIAN);
float[] floats = new float[128];
byte[] targetBytes = new byte[512];
var floatSegment = MemorySegment.ofArray(floats);
var targetByteSegment = MemorySegment.ofArray(targetBytes);
byteFragment.intoMemorySegment(floatSegment, ThreadLocalRandom.current().nextInt(0, 448), ByteOrder.LITTLE_ENDIAN);
byteFragment.intoMemorySegment(targetByteSegment, ThreadLocalRandom.current().nextInt(0, 448), ByteOrder.LITTLE_ENDIAN);
var l = 0;
for (int i = 0; i < floats.length; i++) {
l += (int) floats[i];
}
aLong.addAndGet(l);
});
System.out.println(aLong.get());
}
}
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