/* * 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()); } }