1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.hotspot.amd64; 26 27 import org.graalvm.compiler.api.replacements.Snippet; 28 import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor; 29 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage; 30 import org.graalvm.compiler.hotspot.meta.HotSpotProviders; 31 import org.graalvm.compiler.hotspot.stubs.SnippetStub; 32 import org.graalvm.compiler.options.OptionValues; 33 import org.graalvm.compiler.replacements.nodes.ArrayCompareToNode; 34 import jdk.internal.vm.compiler.word.Pointer; 35 36 import jdk.vm.ci.meta.JavaKind; 37 38 public final class AMD64ArrayCompareToStub extends SnippetStub { 39 40 public static final ForeignCallDescriptor STUB_BYTE_ARRAY_COMPARE_TO_BYTE_ARRAY = new ForeignCallDescriptor( 41 "byteArrayCompareToByteArray", int.class, Pointer.class, Pointer.class, int.class, int.class); 42 public static final ForeignCallDescriptor STUB_BYTE_ARRAY_COMPARE_TO_CHAR_ARRAY = new ForeignCallDescriptor( 43 "byteArrayCompareToCharArray", int.class, Pointer.class, Pointer.class, int.class, int.class); 44 public static final ForeignCallDescriptor STUB_CHAR_ARRAY_COMPARE_TO_BYTE_ARRAY = new ForeignCallDescriptor( 45 "charArrayCompareToByteArray", int.class, Pointer.class, Pointer.class, int.class, int.class); 46 public static final ForeignCallDescriptor STUB_CHAR_ARRAY_COMPARE_TO_CHAR_ARRAY = new ForeignCallDescriptor( 47 "charArrayCompareToCharArray", int.class, Pointer.class, Pointer.class, int.class, int.class); 48 49 public AMD64ArrayCompareToStub(ForeignCallDescriptor foreignCallDescriptor, OptionValues options, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) { 50 super(foreignCallDescriptor.getName(), options, providers, linkage); 51 } 52 53 @Snippet 54 private static int byteArrayCompareToByteArray(Pointer array1, Pointer array2, int length1, int length2) { 55 return ArrayCompareToNode.compareTo(array1, array2, length1, length2, JavaKind.Byte, JavaKind.Byte); 56 } 57 58 @Snippet 59 private static int byteArrayCompareToCharArray(Pointer array1, Pointer array2, int length1, int length2) { 60 return ArrayCompareToNode.compareTo(array1, array2, length1, length2, JavaKind.Byte, JavaKind.Char); 61 } 62 63 @Snippet 64 private static int charArrayCompareToByteArray(Pointer array1, Pointer array2, int length1, int length2) { 65 return ArrayCompareToNode.compareTo(array1, array2, length1, length2, JavaKind.Char, JavaKind.Byte); 66 } 67 68 @Snippet 69 private static int charArrayCompareToCharArray(Pointer array1, Pointer array2, int length1, int length2) { 70 return ArrayCompareToNode.compareTo(array1, array2, length1, length2, JavaKind.Char, JavaKind.Char); 71 } 72 }