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.ArrayEqualsNode;
34 import org.graalvm.compiler.replacements.nodes.ArrayRegionEqualsNode;
35 import jdk.internal.vm.compiler.word.Pointer;
36
37 import jdk.vm.ci.meta.JavaKind;
38
39 public final class AMD64ArrayEqualsStub extends SnippetStub {
40
41 public static final ForeignCallDescriptor STUB_BOOLEAN_ARRAY_EQUALS = new ForeignCallDescriptor(
42 "booleanArraysEquals", boolean.class, Pointer.class, Pointer.class, int.class);
43 public static final ForeignCallDescriptor STUB_BYTE_ARRAY_EQUALS = new ForeignCallDescriptor(
44 "byteArraysEquals", boolean.class, Pointer.class, Pointer.class, int.class);
45 public static final ForeignCallDescriptor STUB_CHAR_ARRAY_EQUALS = new ForeignCallDescriptor(
46 "charArraysEquals", boolean.class, Pointer.class, Pointer.class, int.class);
47 public static final ForeignCallDescriptor STUB_SHORT_ARRAY_EQUALS = new ForeignCallDescriptor(
48 "shortArraysEquals", boolean.class, Pointer.class, Pointer.class, int.class);
49 public static final ForeignCallDescriptor STUB_INT_ARRAY_EQUALS = new ForeignCallDescriptor(
50 "intArraysEquals", boolean.class, Pointer.class, Pointer.class, int.class);
51 public static final ForeignCallDescriptor STUB_LONG_ARRAY_EQUALS = new ForeignCallDescriptor(
52 "longArraysEquals", boolean.class, Pointer.class, Pointer.class, int.class);
53 public static final ForeignCallDescriptor STUB_FLOAT_ARRAY_EQUALS = new ForeignCallDescriptor(
54 "floatArraysEquals", boolean.class, Pointer.class, Pointer.class, int.class);
55 public static final ForeignCallDescriptor STUB_DOUBLE_ARRAY_EQUALS = new ForeignCallDescriptor(
56 "doubleArraysEquals", boolean.class, Pointer.class, Pointer.class, int.class);
57
58 public static final ForeignCallDescriptor STUB_BYTE_ARRAY_EQUALS_DIRECT = new ForeignCallDescriptor(
59 "byteArraysEqualsDirect", boolean.class, Pointer.class, Pointer.class, int.class);
60 public static final ForeignCallDescriptor STUB_CHAR_ARRAY_EQUALS_DIRECT = new ForeignCallDescriptor(
61 "charArraysEqualsDirect", boolean.class, Pointer.class, Pointer.class, int.class);
62 public static final ForeignCallDescriptor STUB_CHAR_ARRAY_EQUALS_BYTE_ARRAY = new ForeignCallDescriptor(
63 "charArrayEqualsByteArray", boolean.class, Pointer.class, Pointer.class, int.class);
64
65 public AMD64ArrayEqualsStub(ForeignCallDescriptor foreignCallDescriptor, OptionValues options, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) {
66 super(foreignCallDescriptor.getName(), options, providers, linkage);
67 }
68
69 @Snippet
70 private static boolean booleanArraysEquals(Pointer array1, Pointer array2, int length) {
71 return ArrayEqualsNode.equals(array1, array2, length, JavaKind.Boolean);
72 }
73
74 @Snippet
75 private static boolean byteArraysEquals(Pointer array1, Pointer array2, int length) {
76 return ArrayEqualsNode.equals(array1, array2, length, JavaKind.Byte);
77 }
78
79 @Snippet
80 private static boolean charArraysEquals(Pointer array1, Pointer array2, int length) {
81 return ArrayEqualsNode.equals(array1, array2, length, JavaKind.Char);
82 }
83
84 @Snippet
85 private static boolean shortArraysEquals(Pointer array1, Pointer array2, int length) {
86 return ArrayEqualsNode.equals(array1, array2, length, JavaKind.Short);
87 }
88
89 @Snippet
90 private static boolean intArraysEquals(Pointer array1, Pointer array2, int length) {
91 return ArrayEqualsNode.equals(array1, array2, length, JavaKind.Int);
92 }
93
94 @Snippet
95 private static boolean longArraysEquals(Pointer array1, Pointer array2, int length) {
96 return ArrayEqualsNode.equals(array1, array2, length, JavaKind.Long);
97 }
98
99 @Snippet
100 private static boolean floatArraysEquals(Pointer array1, Pointer array2, int length) {
101 return ArrayEqualsNode.equals(array1, array2, length, JavaKind.Float);
102 }
103
104 @Snippet
105 private static boolean doubleArraysEquals(Pointer array1, Pointer array2, int length) {
106 return ArrayEqualsNode.equals(array1, array2, length, JavaKind.Double);
107 }
108
109 @Snippet
110 private static boolean byteArraysEqualsDirect(Pointer array1, Pointer array2, int length) {
111 return ArrayRegionEqualsNode.regionEquals(array1, array2, length, JavaKind.Byte, JavaKind.Byte);
112 }
113
114 @Snippet
115 private static boolean charArraysEqualsDirect(Pointer array1, Pointer array2, int length) {
116 return ArrayRegionEqualsNode.regionEquals(array1, array2, length, JavaKind.Char, JavaKind.Char);
117 }
118
119 @Snippet
120 private static boolean charArrayEqualsByteArray(Pointer array1, Pointer array2, int length) {
121 return ArrayRegionEqualsNode.regionEquals(array1, array2, length, JavaKind.Char, JavaKind.Byte);
122 }
123 }