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annotate graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/BoxingSnippets.java @ 21556:48c1ebd24120

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renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents b1530a6cce8c
children 942793d2a513
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.replacements;
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24
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25 import static com.oracle.graal.compiler.common.GraalOptions.*;
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26 import static com.oracle.graal.replacements.SnippetTemplate.*;
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27
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28 import java.util.*;
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29
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30 import com.oracle.graal.api.replacements.*;
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31 import com.oracle.graal.compiler.common.type.*;
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32 import com.oracle.graal.nodes.*;
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33 import com.oracle.graal.nodes.calc.*;
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34 import com.oracle.graal.nodes.extended.*;
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35 import com.oracle.graal.nodes.spi.*;
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36 import com.oracle.graal.nodes.util.*;
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37 import com.oracle.graal.phases.util.*;
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38 import com.oracle.graal.replacements.SnippetTemplate.AbstractTemplates;
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39 import com.oracle.graal.replacements.SnippetTemplate.Arguments;
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40 import com.oracle.graal.replacements.SnippetTemplate.SnippetInfo;
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41 import com.oracle.jvmci.code.*;
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42 import com.oracle.jvmci.debug.*;
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43 import com.oracle.jvmci.meta.*;
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44
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45 public class BoxingSnippets implements Snippets {
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46
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47 @Snippet
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48 public static Object booleanValueOf(boolean value) {
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49 valueOfCounter.inc();
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50 return PiNode.piCast(Boolean.valueOf(value), StampFactory.forNodeIntrinsic());
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51 }
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52
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53 @Snippet
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54 public static Object byteValueOf(byte value) {
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55 valueOfCounter.inc();
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56 return PiNode.piCast(Byte.valueOf(value), StampFactory.forNodeIntrinsic());
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57 }
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58
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59 @Snippet
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60 public static Object charValueOf(char value) {
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61 valueOfCounter.inc();
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62 return PiNode.piCast(Character.valueOf(value), StampFactory.forNodeIntrinsic());
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63 }
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64
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65 @Snippet
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66 public static Object doubleValueOf(double value) {
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67 valueOfCounter.inc();
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68 return PiNode.piCast(Double.valueOf(value), StampFactory.forNodeIntrinsic());
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69 }
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70
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71 @Snippet
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72 public static Object floatValueOf(float value) {
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73 valueOfCounter.inc();
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74 return PiNode.piCast(Float.valueOf(value), StampFactory.forNodeIntrinsic());
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75 }
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76
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77 @Snippet
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78 public static Object intValueOf(int value) {
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79 valueOfCounter.inc();
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80 return PiNode.piCast(Integer.valueOf(value), StampFactory.forNodeIntrinsic());
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81 }
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82
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83 @Snippet
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84 public static Object longValueOf(long value) {
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85 valueOfCounter.inc();
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86 return PiNode.piCast(Long.valueOf(value), StampFactory.forNodeIntrinsic());
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87 }
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88
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89 @Snippet
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90 public static Object shortValueOf(short value) {
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91 valueOfCounter.inc();
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92 return PiNode.piCast(Short.valueOf(value), StampFactory.forNodeIntrinsic());
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93 }
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94
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95 @Snippet
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96 public static boolean booleanValue(Boolean value) {
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97 valueOfCounter.inc();
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98 return value.booleanValue();
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99 }
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100
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101 @Snippet
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102 public static byte byteValue(Byte value) {
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103 valueOfCounter.inc();
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104 return value.byteValue();
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105 }
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106
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107 @Snippet
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108 public static char charValue(Character value) {
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109 valueOfCounter.inc();
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110 return value.charValue();
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111 }
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112
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113 @Snippet
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114 public static double doubleValue(Double value) {
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115 valueOfCounter.inc();
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116 return value.doubleValue();
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117 }
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118
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119 @Snippet
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120 public static float floatValue(Float value) {
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121 valueOfCounter.inc();
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122 return value.floatValue();
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123 }
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124
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125 @Snippet
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126 public static int intValue(Integer value) {
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127 valueOfCounter.inc();
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128 return value.intValue();
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129 }
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130
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131 @Snippet
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132 public static long longValue(Long value) {
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133 valueOfCounter.inc();
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134 return value.longValue();
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135 }
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136
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137 @Snippet
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138 public static short shortValue(Short value) {
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139 valueOfCounter.inc();
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140 return value.shortValue();
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141 }
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142
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143 public static FloatingNode canonicalizeBoxing(BoxNode box, MetaAccessProvider metaAccess, ConstantReflectionProvider constantReflection) {
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144 ValueNode value = box.getValue();
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145 if (value.isConstant()) {
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146 JavaConstant sourceConstant = value.asJavaConstant();
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147 if (sourceConstant.getKind() != box.getBoxingKind() && sourceConstant.getKind().isNumericInteger()) {
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148 switch (box.getBoxingKind()) {
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149 case Boolean:
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150 sourceConstant = JavaConstant.forBoolean(sourceConstant.asLong() != 0L);
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151 break;
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152 case Byte:
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153 sourceConstant = JavaConstant.forByte((byte) sourceConstant.asLong());
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154 break;
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155 case Char:
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156 sourceConstant = JavaConstant.forChar((char) sourceConstant.asLong());
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157 break;
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158 case Short:
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159 sourceConstant = JavaConstant.forShort((short) sourceConstant.asLong());
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160 break;
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161 }
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162 }
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163 JavaConstant boxedConstant = constantReflection.boxPrimitive(sourceConstant);
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164 if (boxedConstant != null && sourceConstant.getKind() == box.getBoxingKind()) {
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165 return ConstantNode.forConstant(boxedConstant, metaAccess, box.graph());
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166 }
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167 }
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168 return null;
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169 }
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170
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171 public static class Templates extends AbstractTemplates {
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172
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173 private final EnumMap<Kind, SnippetInfo> boxSnippets = new EnumMap<>(Kind.class);
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174 private final EnumMap<Kind, SnippetInfo> unboxSnippets = new EnumMap<>(Kind.class);
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175
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176 public Templates(Providers providers, SnippetReflectionProvider snippetReflection, TargetDescription target) {
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177 super(providers, snippetReflection, target);
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178 for (Kind kind : new Kind[]{Kind.Boolean, Kind.Byte, Kind.Char, Kind.Double, Kind.Float, Kind.Int, Kind.Long, Kind.Short}) {
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179 boxSnippets.put(kind, snippet(BoxingSnippets.class, kind.getJavaName() + "ValueOf"));
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180 unboxSnippets.put(kind, snippet(BoxingSnippets.class, kind.getJavaName() + "Value"));
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181 }
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182 }
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183
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184 public void lower(BoxNode box, LoweringTool tool) {
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185 FloatingNode canonical = canonicalizeBoxing(box, providers.getMetaAccess(), providers.getConstantReflection());
10074
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parents: 10064
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186 // if in AOT mode, we don't want to embed boxed constants.
13378
16d99e9d77ad Options: rename flag (AOTCompilation -> ImmutableCode)
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187 if (canonical != null && !ImmutableCode.getValue()) {
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188 box.graph().replaceFloating(box, canonical);
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189 } else {
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190 Arguments args = new Arguments(boxSnippets.get(box.getBoxingKind()), box.graph().getGuardsStage(), tool.getLoweringStage());
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191 args.add("value", box.getValue());
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192
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193 SnippetTemplate template = template(args);
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194 Debug.log("Lowering integerValueOf in %s: node=%s, template=%s, arguments=%s", box.graph(), box, template, args);
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bba234a1670e grouped provider values/parameters into a Providers object (GRAAL-511)
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195 template.instantiate(providers.getMetaAccess(), box, DEFAULT_REPLACER, tool, args);
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196 GraphUtil.killWithUnusedFloatingInputs(box);
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197 }
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198 }
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199
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200 public void lower(UnboxNode unbox, LoweringTool tool) {
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75a67ebd50e8 Introduce a LoweringStage so that lowerings can be conditional on one of the three times that lowering is performed by default
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201 Arguments args = new Arguments(unboxSnippets.get(unbox.getBoxingKind()), unbox.graph().getGuardsStage(), tool.getLoweringStage());
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202 args.add("value", unbox.getValue());
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203
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204 SnippetTemplate template = template(args);
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205 Debug.log("Lowering integerValueOf in %s: node=%s, template=%s, arguments=%s", unbox.graph(), unbox, template, args);
19838
8aa5bd9935b3 Turn UnboxNode into a fixed node.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19775
diff changeset
206 template.instantiate(providers.getMetaAccess(), unbox, DEFAULT_REPLACER, args);
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207 }
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208 }
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209
9864
063a712fe8d8 converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9602
diff changeset
210 private static final SnippetCounter.Group integerCounters = SnippetCounters.getValue() ? new SnippetCounter.Group("Integer intrinsifications") : null;
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211 private static final SnippetCounter valueOfCounter = new SnippetCounter(integerCounters, "valueOf", "valueOf intrinsification");
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212
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213 }