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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/NewObjectSnippets.java @ 9015:92d2bedb5dfc

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Change of Snippet template and instantiation process
author Christian Wimmer <christian.wimmer@oracle.com>
date Thu, 11 Apr 2013 14:22:03 -0700
parents 9f56bb503db4
children 5e1465ec46d6
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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.hotspot.replacements;
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24
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25 import static com.oracle.graal.api.code.UnsignedMath.*;
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26 import static com.oracle.graal.hotspot.replacements.HotSpotSnippetUtils.*;
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27 import static com.oracle.graal.nodes.extended.UnsafeArrayCastNode.*;
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28 import static com.oracle.graal.nodes.extended.UnsafeCastNode.*;
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29 import static com.oracle.graal.replacements.SnippetTemplate.*;
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30 import static com.oracle.graal.replacements.nodes.BranchProbabilityNode.*;
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31 import static com.oracle.graal.replacements.nodes.ExplodeLoopNode.*;
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32
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33 import com.oracle.graal.api.code.*;
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34 import com.oracle.graal.api.meta.*;
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35 import com.oracle.graal.debug.*;
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36 import com.oracle.graal.hotspot.meta.*;
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37 import com.oracle.graal.hotspot.nodes.*;
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38 import com.oracle.graal.nodes.*;
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39 import com.oracle.graal.nodes.java.*;
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40 import com.oracle.graal.nodes.spi.*;
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41 import com.oracle.graal.nodes.type.*;
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42 import com.oracle.graal.phases.*;
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43 import com.oracle.graal.replacements.*;
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44 import com.oracle.graal.replacements.Snippet.ConstantParameter;
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45 import com.oracle.graal.replacements.Snippet.VarargsParameter;
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46 import com.oracle.graal.replacements.SnippetTemplate.AbstractTemplates;
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47 import com.oracle.graal.replacements.SnippetTemplate.Arguments;
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48 import com.oracle.graal.replacements.SnippetTemplate.SnippetInfo;
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49 import com.oracle.graal.replacements.nodes.*;
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50 import com.oracle.graal.word.*;
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51
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52 /**
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53 * Snippets used for implementing NEW, ANEWARRAY and NEWARRAY.
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54 */
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55 public class NewObjectSnippets implements Snippets {
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56
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57 @Snippet
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58 public static Word allocate(int size) {
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59 Word thread = thread();
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60 Word top = readTlabTop(thread);
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61 Word end = readTlabEnd(thread);
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62 Word newTop = top.add(size);
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63 /*
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64 * this check might lead to problems if the TLAB is within 16GB of the address space end
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65 * (checked in c++ code)
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66 */
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67 if (newTop.belowOrEqual(end)) {
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68 probability(FAST_PATH_PROBABILITY);
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69 writeTlabTop(thread, newTop);
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70 return top;
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71 }
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72 return Word.zero();
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73 }
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74
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75 @Snippet
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76 public static Object initializeObject(Word memory, Word hub, Word prototypeMarkWord, @ConstantParameter int size, @ConstantParameter boolean fillContents, @ConstantParameter boolean locked) {
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77
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78 Object result;
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79 if (memory.equal(0)) {
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80 new_stub.inc();
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81 result = NewInstanceStubCall.call(hub);
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82 } else {
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83 probability(FAST_PATH_PROBABILITY);
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84 if (locked) {
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85 formatObject(hub, size, memory, thread().or(biasedLockPattern()), fillContents);
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86 } else {
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87 formatObject(hub, size, memory, prototypeMarkWord, fillContents);
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88 }
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89 result = memory.toObject();
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90 }
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91 /*
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92 * make sure that the unsafeCast is anchored after initialization, see ReadAfterCheckCast
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93 * and CheckCastSnippets
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94 */
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95 BeginNode anchorNode = BeginNode.anchor(StampFactory.forNodeIntrinsic());
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96 return unsafeCast(verifyOop(result), StampFactory.forNodeIntrinsic(), anchorNode);
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97 }
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98
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99 @Snippet
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100 public static Object initializeArray(Word memory, Word hub, int length, int allocationSize, Word prototypeMarkWord, @ConstantParameter int headerSize, @ConstantParameter boolean fillContents,
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101 @ConstantParameter boolean locked) {
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102 if (locked) {
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103 return initializeArray(memory, hub, length, allocationSize, thread().or(biasedLockPattern()), headerSize, fillContents);
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104 } else {
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105 return initializeArray(memory, hub, length, allocationSize, prototypeMarkWord, headerSize, fillContents);
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106 }
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107 }
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108
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109 private static Object initializeArray(Word memory, Word hub, int length, int allocationSize, Word prototypeMarkWord, int headerSize, boolean fillContents) {
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110 Object result;
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111 if (memory.equal(0)) {
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112 newarray_stub.inc();
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113 result = NewArrayStubCall.call(hub, length);
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114 } else {
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115 probability(FAST_PATH_PROBABILITY);
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116 newarray_loopInit.inc();
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117 formatArray(hub, allocationSize, length, headerSize, memory, prototypeMarkWord, fillContents);
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118 result = memory.toObject();
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119 }
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120 BeginNode anchorNode = BeginNode.anchor(StampFactory.forNodeIntrinsic());
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121 return unsafeArrayCast(verifyOop(result), length, StampFactory.forNodeIntrinsic(), anchorNode);
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122 }
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123
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124 /**
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125 * Maximum array length for which fast path allocation is used.
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126 */
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127 public static final int MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH = 0x00FFFFFF;
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128
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129 @Snippet
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130 public static Object allocateArrayAndInitialize(int length, @ConstantParameter int alignment, @ConstantParameter int headerSize, @ConstantParameter int log2ElementSize,
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131 @ConstantParameter boolean fillContents, @ConstantParameter ResolvedJavaType type) {
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132 if (!belowThan(length, MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH)) {
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133 probability(DEOPT_PATH_PROBABILITY);
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134 // This handles both negative array sizes and very large array sizes
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135 DeoptimizeNode.deopt(DeoptimizationAction.None, DeoptimizationReason.RuntimeConstraint);
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136 }
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137 int allocationSize = computeArrayAllocationSize(length, alignment, headerSize, log2ElementSize);
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138 Word memory = TLABAllocateNode.allocateVariableSize(allocationSize);
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139 return InitializeArrayNode.initialize(memory, length, allocationSize, type, fillContents, false);
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140 }
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141
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142 /**
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143 * Computes the size of the memory chunk allocated for an array. This size accounts for the
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144 * array header size, boy size and any padding after the last element to satisfy object
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145 * alignment requirements.
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146 *
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147 * @param length the number of elements in the array
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148 * @param alignment the object alignment requirement
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149 * @param headerSize the size of the array header
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150 * @param log2ElementSize log2 of the size of an element in the array
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151 */
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152 public static int computeArrayAllocationSize(int length, int alignment, int headerSize, int log2ElementSize) {
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153 int size = (length << log2ElementSize) + headerSize + (alignment - 1);
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154 int mask = ~(alignment - 1);
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155 return size & mask;
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156 }
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157
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158 /**
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159 * Calls the runtime stub for implementing MULTIANEWARRAY.
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160 */
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161 @Snippet
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162 public static Object newmultiarray(Word hub, @ConstantParameter int rank, @VarargsParameter int[] dimensions) {
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163 Word dims = DimensionsNode.allocaDimsArray(rank);
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164 ExplodeLoopNode.explodeLoop();
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165 for (int i = 0; i < rank; i++) {
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166 dims.writeInt(i * 4, dimensions[i], ANY_LOCATION);
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167 }
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168 return NewMultiArrayStubCall.call(hub, rank, dims);
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169 }
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170
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171 /**
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172 * Maximum size of an object whose body is initialized by a sequence of zero-stores to its
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173 * fields. Larger objects have their bodies initialized in a loop.
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174 */
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175 private static final int MAX_UNROLLED_OBJECT_ZEROING_SIZE = 10 * wordSize();
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176
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177 /**
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178 * Formats some allocated memory with an object header zeroes out the rest.
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179 */
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180 private static void formatObject(Word hub, int size, Word memory, Word compileTimePrototypeMarkWord, boolean fillContents) {
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181 Word prototypeMarkWord = useBiasedLocking() ? hub.readWord(prototypeMarkWordOffset(), PROTOTYPE_MARK_WORD_LOCATION) : compileTimePrototypeMarkWord;
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182 initializeObjectHeader(memory, prototypeMarkWord, hub);
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183 if (fillContents) {
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184 if (size <= MAX_UNROLLED_OBJECT_ZEROING_SIZE) {
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185 new_seqInit.inc();
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186 explodeLoop();
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187 for (int offset = 2 * wordSize(); offset < size; offset += wordSize()) {
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188 memory.writeWord(offset, Word.zero(), ANY_LOCATION);
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189 }
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190 } else {
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191 new_loopInit.inc();
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192 for (int offset = 2 * wordSize(); offset < size; offset += wordSize()) {
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193 memory.writeWord(offset, Word.zero(), ANY_LOCATION);
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194 }
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195 }
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196 }
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197 }
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198
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199 /**
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200 * Formats some allocated memory with an object header zeroes out the rest.
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201 */
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202 public static void formatArray(Word hub, int allocationSize, int length, int headerSize, Word memory, Word prototypeMarkWord, boolean fillContents) {
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203 memory.writeInt(arrayLengthOffset(), length, ANY_LOCATION);
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204 /*
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205 * store hub last as the concurrent garbage collectors assume length is valid if hub field
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206 * is not null
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207 */
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208 initializeObjectHeader(memory, prototypeMarkWord, hub);
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209 if (fillContents) {
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210 for (int offset = headerSize; offset < allocationSize; offset += wordSize()) {
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211 memory.writeWord(offset, Word.zero(), ANY_LOCATION);
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212 }
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213 }
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214 }
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215
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216 public static class Templates extends AbstractTemplates {
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217
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218 private final SnippetInfo allocate = snippet(NewObjectSnippets.class, "allocate");
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219 private final SnippetInfo initializeObject = snippet(NewObjectSnippets.class, "initializeObject");
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220 private final SnippetInfo initializeArray = snippet(NewObjectSnippets.class, "initializeArray");
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221 private final SnippetInfo allocateArrayAndInitialize = snippet(NewObjectSnippets.class, "allocateArrayAndInitialize");
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222 private final SnippetInfo newmultiarray = snippet(NewObjectSnippets.class, "newmultiarray");
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223
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224 private final boolean useTLAB;
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225
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226 public Templates(CodeCacheProvider runtime, Replacements replacements, TargetDescription target, boolean useTLAB) {
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227 super(runtime, replacements, target);
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228 this.useTLAB = useTLAB;
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229 }
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230
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diff changeset
231 /**
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232 * Lowers a {@link NewInstanceNode}.
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233 */
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234 @SuppressWarnings("unused")
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235 public void lower(NewInstanceNode newInstanceNode, LoweringTool tool) {
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236 StructuredGraph graph = (StructuredGraph) newInstanceNode.graph();
7084
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diff changeset
237 HotSpotResolvedObjectType type = (HotSpotResolvedObjectType) newInstanceNode.instanceClass();
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diff changeset
238 ConstantNode hub = ConstantNode.forConstant(type.klass(), runtime, graph);
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diff changeset
239 int size = instanceSize(type);
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240
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241 ValueNode memory;
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242 if (!useTLAB) {
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diff changeset
243 memory = ConstantNode.defaultForKind(target.wordKind, graph);
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244 } else {
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diff changeset
245 ConstantNode sizeNode = ConstantNode.forInt(size, graph);
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246 TLABAllocateNode tlabAllocateNode = graph.add(new TLABAllocateNode(sizeNode));
5760
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diff changeset
247 graph.addBeforeFixed(newInstanceNode, tlabAllocateNode);
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diff changeset
248 memory = tlabAllocateNode;
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249 }
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diff changeset
250 InitializeObjectNode initializeNode = graph.add(new InitializeObjectNode(memory, type, newInstanceNode.fillContents(), newInstanceNode.locked()));
5760
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diff changeset
251 graph.replaceFixedWithFixed(newInstanceNode, initializeNode);
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diff changeset
252 }
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253
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Doug Simon <doug.simon@oracle.com>
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diff changeset
254 /**
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diff changeset
255 * Lowers a {@link NewArrayNode}.
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256 */
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diff changeset
257 @SuppressWarnings("unused")
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258 public void lower(NewArrayNode newArrayNode, LoweringTool tool) {
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diff changeset
259 StructuredGraph graph = (StructuredGraph) newArrayNode.graph();
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diff changeset
260 ValueNode lengthNode = newArrayNode.length();
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diff changeset
261 TLABAllocateNode tlabAllocateNode;
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diff changeset
262 ResolvedJavaType elementType = newArrayNode.elementType();
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6525
diff changeset
263 ResolvedJavaType arrayType = elementType.getArrayClass();
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6525
diff changeset
264 Kind elementKind = elementType.getKind();
5760
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Doug Simon <doug.simon@oracle.com>
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diff changeset
265 final int alignment = target.wordSize;
7099
3656236c7d27 Cleanup of Kind class: remove use of Unsafe class
Christian Wimmer <christian.wimmer@oracle.com>
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diff changeset
266 final int headerSize = HotSpotRuntime.getArrayBaseOffset(elementKind);
5760
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diff changeset
267 final Integer length = lengthNode.isConstant() ? Integer.valueOf(lengthNode.asConstant().asInt()) : null;
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diff changeset
268 int log2ElementSize = CodeUtil.log2(target.sizeInBytes(elementKind));
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diff changeset
269 if (!useTLAB) {
7105
f1f32b695d1e Make constructors of Constant private to ensure proper encapuslation of the type-overloaded primitive field; reduce to one constructor that sets all fields.
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diff changeset
270 ConstantNode zero = ConstantNode.defaultForKind(target.wordKind, graph);
9015
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271 /*
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272 * value for 'size' doesn't matter as it isn't used since a stub call will be made
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273 * anyway for both allocation and initialization - it just needs to be non-null
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274 */
5760
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275 ConstantNode size = ConstantNode.forInt(-1, graph);
6511
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diff changeset
276 InitializeArrayNode initializeNode = graph.add(new InitializeArrayNode(zero, lengthNode, size, arrayType, newArrayNode.fillContents(), newArrayNode.locked()));
5760
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diff changeset
277 graph.replaceFixedWithFixed(newArrayNode, initializeNode);
7352
00e3c2e4e43c Re-enable fast array allocation/initialization.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7351
diff changeset
278 } else if (length != null && belowThan(length, MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH)) {
5760
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diff changeset
279 // Calculate aligned size
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
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diff changeset
280 int size = computeArrayAllocationSize(length, alignment, headerSize, log2ElementSize);
5760
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diff changeset
281 ConstantNode sizeNode = ConstantNode.forInt(size, graph);
6954
0e20ad1ea98b removed WordStamp (and a nasty bug associated with its misusage)
Doug Simon <doug.simon@oracle.com>
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282 tlabAllocateNode = graph.add(new TLABAllocateNode(sizeNode));
5760
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diff changeset
283 graph.addBeforeFixed(newArrayNode, tlabAllocateNode);
6511
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diff changeset
284 InitializeArrayNode initializeNode = graph.add(new InitializeArrayNode(tlabAllocateNode, lengthNode, sizeNode, arrayType, newArrayNode.fillContents(), newArrayNode.locked()));
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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diff changeset
285 graph.replaceFixedWithFixed(newArrayNode, initializeNode);
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diff changeset
286 } else {
9015
92d2bedb5dfc Change of Snippet template and instantiation process
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diff changeset
287 Arguments args = new Arguments(allocateArrayAndInitialize);
92d2bedb5dfc Change of Snippet template and instantiation process
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diff changeset
288 args.add("length", lengthNode);
92d2bedb5dfc Change of Snippet template and instantiation process
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diff changeset
289 args.addConst("alignment", alignment);
92d2bedb5dfc Change of Snippet template and instantiation process
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diff changeset
290 args.addConst("headerSize", headerSize);
92d2bedb5dfc Change of Snippet template and instantiation process
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diff changeset
291 args.addConst("log2ElementSize", log2ElementSize);
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diff changeset
292 args.addConst("fillContents", newArrayNode.fillContents());
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diff changeset
293 args.addConst("type", arrayType);
92d2bedb5dfc Change of Snippet template and instantiation process
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294
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diff changeset
295 SnippetTemplate template = template(args);
92d2bedb5dfc Change of Snippet template and instantiation process
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diff changeset
296 Debug.log("Lowering allocateArrayAndInitialize in %s: node=%s, template=%s, arguments=%s", graph, newArrayNode, template, args);
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diff changeset
297 template.instantiate(runtime, newArrayNode, DEFAULT_REPLACER, args);
5760
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298 }
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299 }
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diff changeset
300
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
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diff changeset
301 @SuppressWarnings("unused")
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diff changeset
302 public void lower(TLABAllocateNode tlabAllocateNode, LoweringTool tool) {
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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diff changeset
303 StructuredGraph graph = (StructuredGraph) tlabAllocateNode.graph();
5805
013081f7771b consolidated 2 separate size fields in TLABAllocate into 1
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parents: 5772
diff changeset
304 ValueNode size = tlabAllocateNode.size();
9015
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diff changeset
305 Arguments args = new Arguments(allocate).add("size", size);
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306
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diff changeset
307 SnippetTemplate template = template(args);
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parents: 8898
diff changeset
308 Debug.log("Lowering fastAllocate in %s: node=%s, template=%s, arguments=%s", graph, tlabAllocateNode, template, args);
92d2bedb5dfc Change of Snippet template and instantiation process
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diff changeset
309 template.instantiate(runtime, tlabAllocateNode, DEFAULT_REPLACER, args);
5760
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diff changeset
310 }
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diff changeset
311
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diff changeset
312 @SuppressWarnings("unused")
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parents: 5720
diff changeset
313 public void lower(InitializeObjectNode initializeNode, LoweringTool tool) {
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
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diff changeset
314 StructuredGraph graph = (StructuredGraph) initializeNode.graph();
7084
9ba90252ce08 HotSpotResolvedJavaType is now the HotSpot implementation of ResolvedJavaType,
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 7081
diff changeset
315 HotSpotResolvedObjectType type = (HotSpotResolvedObjectType) initializeNode.type();
7060
06d5f450f32b rename: ResolvedJavaType.isArrayClass() -> ResolvedJavaType.isArray()
Doug Simon <doug.simon@oracle.com>
parents: 7035
diff changeset
316 assert !type.isArray();
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6568
diff changeset
317 ConstantNode hub = ConstantNode.forConstant(type.klass(), runtime, graph);
7544
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
318 int size = instanceSize(type);
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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parents: 5720
diff changeset
319 ValueNode memory = initializeNode.memory();
9015
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diff changeset
320
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parents: 8898
diff changeset
321 Arguments args = new Arguments(initializeObject);
92d2bedb5dfc Change of Snippet template and instantiation process
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parents: 8898
diff changeset
322 args.add("memory", memory);
92d2bedb5dfc Change of Snippet template and instantiation process
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parents: 8898
diff changeset
323 args.add("hub", hub);
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
324 args.add("prototypeMarkWord", type.prototypeMarkWord());
92d2bedb5dfc Change of Snippet template and instantiation process
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parents: 8898
diff changeset
325 args.addConst("size", size).addConst("fillContents", initializeNode.fillContents());
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
326 args.addConst("locked", initializeNode.locked());
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
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diff changeset
327
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parents: 8898
diff changeset
328 SnippetTemplate template = template(args);
92d2bedb5dfc Change of Snippet template and instantiation process
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parents: 8898
diff changeset
329 Debug.log("Lowering initializeObject in %s: node=%s, template=%s, arguments=%s", graph, initializeNode, template, args);
92d2bedb5dfc Change of Snippet template and instantiation process
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diff changeset
330 template.instantiate(runtime, initializeNode, DEFAULT_REPLACER, args);
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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diff changeset
331 }
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
332
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
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diff changeset
333 @SuppressWarnings("unused")
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
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diff changeset
334 public void lower(InitializeArrayNode initializeNode, LoweringTool tool) {
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
335 StructuredGraph graph = (StructuredGraph) initializeNode.graph();
7084
9ba90252ce08 HotSpotResolvedJavaType is now the HotSpot implementation of ResolvedJavaType,
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 7081
diff changeset
336 HotSpotResolvedObjectType type = (HotSpotResolvedObjectType) initializeNode.type();
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6525
diff changeset
337 ResolvedJavaType elementType = type.getComponentType();
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
338 assert elementType != null;
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6568
diff changeset
339 ConstantNode hub = ConstantNode.forConstant(type.klass(), runtime, graph);
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6525
diff changeset
340 Kind elementKind = elementType.getKind();
7099
3656236c7d27 Cleanup of Kind class: remove use of Unsafe class
Christian Wimmer <christian.wimmer@oracle.com>
parents: 7098
diff changeset
341 final int headerSize = HotSpotRuntime.getArrayBaseOffset(elementKind);
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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diff changeset
342 ValueNode memory = initializeNode.memory();
9015
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diff changeset
343
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diff changeset
344 Arguments args = new Arguments(initializeArray);
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diff changeset
345 args.add("memory", memory);
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diff changeset
346 args.add("hub", hub);
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parents: 8898
diff changeset
347 args.add("length", initializeNode.length());
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diff changeset
348 args.add("allocationSize", initializeNode.allocationSize());
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
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diff changeset
349 args.add("prototypeMarkWord", type.prototypeMarkWord());
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
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diff changeset
350 args.addConst("headerSize", headerSize);
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parents: 8898
diff changeset
351 args.addConst("fillContents", initializeNode.fillContents());
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parents: 8898
diff changeset
352 args.addConst("locked", initializeNode.locked());
92d2bedb5dfc Change of Snippet template and instantiation process
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parents: 8898
diff changeset
353
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
354 SnippetTemplate template = template(args);
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
355 Debug.log("Lowering initializeArray in %s: node=%s, template=%s, arguments=%s", graph, initializeNode, template, args);
92d2bedb5dfc Change of Snippet template and instantiation process
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parents: 8898
diff changeset
356 template.instantiate(runtime, initializeNode, DEFAULT_REPLACER, args);
5563
6a2671066204 added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
357 }
6431
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
358
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
359 @SuppressWarnings("unused")
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
360 public void lower(NewMultiArrayNode newmultiarrayNode, LoweringTool tool) {
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
361 StructuredGraph graph = (StructuredGraph) newmultiarrayNode.graph();
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
362 int rank = newmultiarrayNode.dimensionCount();
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
363 ValueNode[] dims = new ValueNode[rank];
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
364 for (int i = 0; i < newmultiarrayNode.dimensionCount(); i++) {
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
365 dims[i] = newmultiarrayNode.dimension(i);
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
366 }
7084
9ba90252ce08 HotSpotResolvedJavaType is now the HotSpot implementation of ResolvedJavaType,
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 7081
diff changeset
367 HotSpotResolvedObjectType type = (HotSpotResolvedObjectType) newmultiarrayNode.type();
6950
41938af2b3d8 modifications to support non-perm-gen changes in HotSpot
Doug Simon <doug.simon@oracle.com>
parents: 6568
diff changeset
368 ConstantNode hub = ConstantNode.forConstant(type.klass(), runtime, graph);
9015
92d2bedb5dfc Change of Snippet template and instantiation process
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parents: 8898
diff changeset
369
92d2bedb5dfc Change of Snippet template and instantiation process
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diff changeset
370 Arguments args = new Arguments(newmultiarray);
92d2bedb5dfc Change of Snippet template and instantiation process
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parents: 8898
diff changeset
371 args.add("hub", hub);
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
372 args.addConst("rank", rank);
92d2bedb5dfc Change of Snippet template and instantiation process
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parents: 8898
diff changeset
373 args.addVarargs("dimensions", int.class, StampFactory.forKind(Kind.Int), dims);
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
374 template(args).instantiate(runtime, newmultiarrayNode, DEFAULT_REPLACER, args);
6431
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
375 }
7544
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
376
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
377 private static int instanceSize(HotSpotResolvedObjectType type) {
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
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378 int size = type.instanceSize();
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
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379 assert (size % wordSize()) == 0;
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
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380 assert size >= 0;
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
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381 return size;
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
382 }
5563
6a2671066204 added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
383 }
6a2671066204 added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
384
5772
2f7a03583a32 added counters for code paths through the new object snippets
Doug Simon <doug.simon@oracle.com>
parents: 5770
diff changeset
385 private static final SnippetCounter.Group countersNew = GraalOptions.SnippetCounters ? new SnippetCounter.Group("NewInstance") : null;
2f7a03583a32 added counters for code paths through the new object snippets
Doug Simon <doug.simon@oracle.com>
parents: 5770
diff changeset
386 private static final SnippetCounter new_seqInit = new SnippetCounter(countersNew, "tlabSeqInit", "TLAB alloc with unrolled zeroing");
2f7a03583a32 added counters for code paths through the new object snippets
Doug Simon <doug.simon@oracle.com>
parents: 5770
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387 private static final SnippetCounter new_loopInit = new SnippetCounter(countersNew, "tlabLoopInit", "TLAB alloc with zeroing in a loop");
2f7a03583a32 added counters for code paths through the new object snippets
Doug Simon <doug.simon@oracle.com>
parents: 5770
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388 private static final SnippetCounter new_stub = new SnippetCounter(countersNew, "stub", "alloc and zeroing via stub");
2f7a03583a32 added counters for code paths through the new object snippets
Doug Simon <doug.simon@oracle.com>
parents: 5770
diff changeset
389
7145
6c46172c04bf consolidated new_type_array and new_object_array stubs into one as there no difference between them
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
390 private static final SnippetCounter.Group countersNewArray = GraalOptions.SnippetCounters ? new SnippetCounter.Group("NewArray") : null;
6c46172c04bf consolidated new_type_array and new_object_array stubs into one as there no difference between them
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
391 private static final SnippetCounter newarray_loopInit = new SnippetCounter(countersNewArray, "tlabLoopInit", "TLAB alloc with zeroing in a loop");
6c46172c04bf consolidated new_type_array and new_object_array stubs into one as there no difference between them
Doug Simon <doug.simon@oracle.com>
parents: 7143
diff changeset
392 private static final SnippetCounter newarray_stub = new SnippetCounter(countersNewArray, "stub", "alloc and zeroing via stub");
5563
6a2671066204 added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
393 }