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comparison c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotXirGenerator.java @ 1416:1b41af477605

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Added HotSpotVM project Java source files.
author Thomas Wuerthinger <thomas.wuerthinger@gmail.com>
date Wed, 23 Jun 2010 16:36:58 +0200
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children 2c41834aa270
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1415:712c7ff1afc1 1416:1b41af477605
1 /*
2 * Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
3 *
4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
5 * that is described in this document. In particular, and without limitation, these intellectual property
6 * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
7 * more additional patents or pending patent applications in the U.S. and in other countries.
8 *
9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun
10 * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
11 * supplements.
12 *
13 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
14 * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
15 * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
16 * U.S. and other countries.
17 *
18 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
19 * Company, Ltd.
20 */
21 package com.sun.hotspot.c1x;
22
23 import java.util.ArrayList;
24 import java.util.List;
25
26 import com.sun.cri.ci.CiKind;
27 import com.sun.cri.ri.RiField;
28 import com.sun.cri.ri.RiMethod;
29 import com.sun.cri.ri.RiType;
30 import com.sun.cri.ri.RiType.Representation;
31 import com.sun.cri.xir.CiXirAssembler;
32 import com.sun.cri.xir.RiXirGenerator;
33 import com.sun.cri.xir.XirArgument;
34 import com.sun.cri.xir.XirSite;
35 import com.sun.cri.xir.XirSnippet;
36 import com.sun.cri.xir.XirTemplate;
37 import com.sun.cri.xir.CiXirAssembler.XirOperand;
38
39 /**
40 *
41 * @author Thomas Wuerthinger
42 *
43 */
44 public class HotSpotXirGenerator extends RiXirGenerator {
45
46 private XirTemplate[] emptyTemplates = new XirTemplate[CiKind.values().length];
47
48 @Override
49 public List<XirTemplate> buildTemplates(CiXirAssembler asm) {
50
51 List<XirTemplate> templates = new ArrayList<XirTemplate>();
52 for (int i=0; i<CiKind.values().length; i++) {
53
54 CiKind curKind = CiKind.values()[i];
55
56 if (curKind == CiKind.Float || curKind == CiKind.Double) continue;
57
58 if (CiKind.values()[i] == CiKind.Void) {
59 asm.restart(CiKind.values()[i]);
60 emptyTemplates[i] = asm.finishTemplate("empty-" + CiKind.values()[i]);
61 } else {
62 asm.restart();
63 XirOperand result = asm.createTemp("result", CiKind.values()[i]);
64 emptyTemplates[i] = asm.finishTemplate(result, "empty-" + CiKind.values()[i]);
65 }
66 templates.add(emptyTemplates[i]);
67 }
68
69
70 return templates;
71 }
72
73 @Override
74 public XirSnippet genArrayLength(XirSite site, XirArgument array) {
75 return new XirSnippet(emptyTemplates[CiKind.Int.ordinal()]);
76 }
77
78 @Override
79 public XirSnippet genArrayLoad(XirSite site, XirArgument array,
80 XirArgument index, XirArgument length, CiKind elementKind,
81 RiType elementType) {
82 return new XirSnippet(emptyTemplates[elementKind.ordinal()]);
83 }
84
85 @Override
86 public XirSnippet genArrayStore(XirSite site, XirArgument array,
87 XirArgument index, XirArgument length, XirArgument value,
88 CiKind elementKind, RiType elementType) {
89 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
90 }
91
92 @Override
93 public XirSnippet genCheckCast(XirSite site, XirArgument receiver,
94 XirArgument hub, RiType type) {
95 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
96 }
97
98 @Override
99 public XirSnippet genEntrypoint(XirSite site) {
100 return null;
101 }
102
103 @Override
104 public XirSnippet genGetField(XirSite site, XirArgument receiver,
105 RiField field) {
106 return new XirSnippet(emptyTemplates[field.kind().ordinal()]);
107 }
108
109 @Override
110 public XirSnippet genGetStatic(XirSite site, XirArgument staticTuple,
111 RiField field) {
112 return new XirSnippet(emptyTemplates[field.kind().ordinal()]);
113 }
114
115 @Override
116 public XirSnippet genInstanceOf(XirSite site, XirArgument receiver,
117 XirArgument hub, RiType type) {
118 return new XirSnippet(emptyTemplates[CiKind.Boolean.ordinal()]);
119 }
120
121 @Override
122 public XirSnippet genIntrinsic(XirSite site, XirArgument[] arguments,
123 RiMethod method) {
124 return null;
125 }
126
127 @Override
128 public XirSnippet genInvokeInterface(XirSite site, XirArgument receiver,
129 RiMethod method) {
130 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
131 }
132
133 @Override
134 public XirSnippet genInvokeSpecial(XirSite site, XirArgument receiver,
135 RiMethod method) {
136 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
137 }
138
139 @Override
140 public XirSnippet genInvokeStatic(XirSite site, RiMethod method) {
141 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
142 }
143
144 @Override
145 public XirSnippet genInvokeVirtual(XirSite site, XirArgument receiver,
146 RiMethod method) {
147 return new XirSnippet(emptyTemplates[CiKind.Word.ordinal()]);
148 }
149
150 @Override
151 public XirSnippet genMonitorEnter(XirSite site, XirArgument receiver) {
152 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
153 }
154
155 @Override
156 public XirSnippet genMonitorExit(XirSite site, XirArgument receiver) {
157 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
158 }
159
160 @Override
161 public XirSnippet genNewArray(XirSite site, XirArgument length,
162 CiKind elementKind, RiType componentType, RiType arrayType) {
163 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
164 }
165
166 @Override
167 public XirSnippet genNewInstance(XirSite site, RiType type) {
168 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
169 }
170
171 @Override
172 public XirSnippet genNewMultiArray(XirSite site, XirArgument[] lengths,
173 RiType type) {
174 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
175 }
176
177 @Override
178 public XirSnippet genPutField(XirSite site, XirArgument receiver,
179 RiField field, XirArgument value) {
180 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
181 }
182
183 @Override
184 public XirSnippet genPutStatic(XirSite site, XirArgument staticTuple,
185 RiField field, XirArgument value) {
186 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
187 }
188
189 @Override
190 public XirSnippet genResolveClass(XirSite site, RiType type,
191 Representation representation) {
192 return new XirSnippet(emptyTemplates[CiKind.Object.ordinal()]);
193 }
194
195 @Override
196 public XirSnippet genSafepoint(XirSite site) {
197 return new XirSnippet(emptyTemplates[CiKind.Void.ordinal()]);
198 }
199
200 }