1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2019, Red Hat Inc. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 26 27 package org.graalvm.compiler.hotspot.replacements; 28 29 import org.graalvm.compiler.api.replacements.ClassSubstitution; 30 import org.graalvm.compiler.api.replacements.MethodSubstitution; 31 import org.graalvm.compiler.hotspot.HotSpotBackend; 32 import org.graalvm.compiler.nodes.ComputeObjectAddressNode; 33 import org.graalvm.compiler.word.Word; 34 import jdk.internal.vm.compiler.word.WordFactory; 35 36 @ClassSubstitution(className = "jdk.internal.util.ArraysSupport", optional = true) 37 public class ArraysSupportSubstitutions { 38 39 @SuppressWarnings("unused") 40 @MethodSubstitution(isStatic = true) 41 static int vectorizedMismatch(Object a, long aOffset, Object b, long bOffset, int length, int log2ArrayIndexScale) { 42 Word aAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(a, aOffset)); 43 Word bAddr = WordFactory.unsigned(ComputeObjectAddressNode.get(b, bOffset)); 44 45 return HotSpotBackend.vectorizedMismatch(aAddr, bAddr, length, log2ArrayIndexScale); 46 } 47 }