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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/NewObjectSnippets.java @ 21543:93c50cefb9e8

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moved GraalInternalError to com.oracle.jvmci.common and renamed it to JVMCIError (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Mon, 25 May 2015 23:30:34 +0200
parents de0cf192779c
children 5324104ac4f3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2012, 2015, 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.compiler.common.GraalOptions.*;
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27 import static com.oracle.graal.hotspot.jvmci.HotSpotMetaAccessProvider.*;
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28 import static com.oracle.graal.hotspot.nodes.CStringNode.*;
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29 import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
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30 import static com.oracle.graal.hotspot.replacements.NewObjectSnippets.Options.*;
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31 import static com.oracle.graal.nodes.PiArrayNode.*;
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32 import static com.oracle.graal.nodes.extended.BranchProbabilityNode.*;
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33 import static com.oracle.graal.replacements.SnippetTemplate.*;
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34 import static com.oracle.graal.replacements.nodes.ExplodeLoopNode.*;
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35
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36 import com.oracle.graal.api.code.*;
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37 import com.oracle.graal.api.meta.*;
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38 import com.oracle.graal.api.replacements.*;
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39 import com.oracle.graal.compiler.common.type.*;
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40 import com.oracle.graal.debug.*;
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41 import com.oracle.graal.graph.Node.ConstantNodeParameter;
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42 import com.oracle.graal.graph.Node.NodeIntrinsic;
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43 import com.oracle.graal.hotspot.*;
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44 import com.oracle.graal.hotspot.jvmci.*;
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45 import com.oracle.graal.hotspot.meta.*;
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46 import com.oracle.graal.hotspot.nodes.*;
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47 import com.oracle.graal.hotspot.nodes.type.*;
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48 import com.oracle.graal.hotspot.word.*;
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49 import com.oracle.graal.nodes.*;
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50 import com.oracle.graal.nodes.debug.*;
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51 import com.oracle.graal.nodes.extended.*;
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52 import com.oracle.graal.nodes.java.*;
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53 import com.oracle.graal.nodes.spi.*;
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54 import com.oracle.graal.nodes.util.*;
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55 import com.oracle.graal.options.*;
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56 import com.oracle.graal.replacements.*;
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57 import com.oracle.graal.replacements.Snippet.ConstantParameter;
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58 import com.oracle.graal.replacements.Snippet.VarargsParameter;
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59 import com.oracle.graal.replacements.SnippetTemplate.AbstractTemplates;
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60 import com.oracle.graal.replacements.SnippetTemplate.Arguments;
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61 import com.oracle.graal.replacements.SnippetTemplate.SnippetInfo;
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62 import com.oracle.graal.replacements.nodes.*;
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63 import com.oracle.graal.word.*;
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64 import com.oracle.jvmci.common.*;
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65
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66 /**
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67 * Snippets used for implementing NEW, ANEWARRAY and NEWARRAY.
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68 */
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69 public class NewObjectSnippets implements Snippets {
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70
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71 public static final LocationIdentity INIT_LOCATION = NamedLocationIdentity.mutable("Initialization");
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72
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73 static class Options {
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74
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75 //@formatter:off
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76 @Option(help = "", type = OptionType.Debug)
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77 static final OptionValue<Boolean> ProfileAllocations = new OptionValue<>(false);
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78 //@formatter:on
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79 }
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80
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81 static enum ProfileMode {
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82 AllocatingMethods,
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83 InstanceOrArray,
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84 AllocatedTypes,
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85 AllocatedTypesInMethods,
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86 Total
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87 }
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88
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89 public static final ProfileMode PROFILE_MODE = ProfileMode.AllocatedTypes;
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90
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91 @Fold
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92 private static String createName(String path, String typeContext) {
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93 switch (PROFILE_MODE) {
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94 case AllocatingMethods:
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95 return "";
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96 case InstanceOrArray:
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97 return path;
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98 case AllocatedTypes:
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99 case AllocatedTypesInMethods:
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100 return typeContext;
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101 case Total:
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102 return "bytes";
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103 default:
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104 throw JVMCIError.shouldNotReachHere();
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105 }
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106 }
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107
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108 @Fold
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109 private static boolean doProfile() {
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110 return ProfileAllocations.getValue();
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111 }
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112
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113 protected static void profileAllocation(String path, long size, String typeContext) {
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114 if (doProfile()) {
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115 String name = createName(path, typeContext);
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116
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117 boolean context = PROFILE_MODE == ProfileMode.AllocatingMethods || PROFILE_MODE == ProfileMode.AllocatedTypesInMethods;
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118 DynamicCounterNode.counter(name, "number of bytes allocated", size, context);
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119 DynamicCounterNode.counter(name, "number of allocations", 1, context);
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120 }
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121 }
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122
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123 public static void emitPrefetchAllocate(Word address, boolean isArray) {
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124 if (config().allocatePrefetchStyle > 0) {
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diff changeset
125 // Insert a prefetch for each allocation only on the fast-path
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diff changeset
126 // Generate several prefetch instructions.
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parents: 13150
diff changeset
127 int lines = isArray ? config().allocatePrefetchLines : config().allocateInstancePrefetchLines;
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diff changeset
128 int stepSize = config().allocatePrefetchStepSize;
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diff changeset
129 int distance = config().allocatePrefetchDistance;
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parents: 13150
diff changeset
130 ExplodeLoopNode.explodeLoop();
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parents: 13150
diff changeset
131 for (int i = 0; i < lines; i++) {
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diff changeset
132 PrefetchAllocateNode.prefetch(address, Word.signed(distance));
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diff changeset
133 distance += stepSize;
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parents: 13150
diff changeset
134 }
785bbb619238 Basic allocation prefetching support
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parents: 13150
diff changeset
135 }
785bbb619238 Basic allocation prefetching support
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parents: 13150
diff changeset
136 }
785bbb619238 Basic allocation prefetching support
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parents: 13150
diff changeset
137
5563
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parents:
diff changeset
138 @Snippet
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139 public static Object allocateInstance(@ConstantParameter int size, KlassPointer hub, Word prototypeMarkWord, @ConstantParameter boolean fillContents, @ConstantParameter Register threadRegister,
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parents: 13505
diff changeset
140 @ConstantParameter boolean constantSize, @ConstantParameter String typeContext) {
7035
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diff changeset
141 Object result;
12789
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142 Word thread = registerAsWord(threadRegister);
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143 Word top = readTlabTop(thread);
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144 Word end = readTlabEnd(thread);
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diff changeset
145 Word newTop = top.add(size);
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parents: 9602
diff changeset
146 if (useTLAB() && probability(FAST_PATH_PROBABILITY, newTop.belowOrEqual(end))) {
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parents: 9602
diff changeset
147 writeTlabTop(thread, newTop);
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diff changeset
148 emitPrefetchAllocate(newTop, false);
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parents: 15889
diff changeset
149 result = formatObject(hub, size, top, prototypeMarkWord, fillContents, constantSize, true);
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parents: 9602
diff changeset
150 } else {
5772
2f7a03583a32 added counters for code paths through the new object snippets
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parents: 5770
diff changeset
151 new_stub.inc();
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63b6ad88b08f Consolidation of new allocation stubs to use the standard ForeignCallNode.
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152 result = newInstance(HotSpotBackend.NEW_INSTANCE, hub);
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parents: 6504
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153 }
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diff changeset
154 profileAllocation("instance", size, typeContext);
11752
7e7edb86fb43 Refactor the handling of unsafe casts to distinguish between word-object-conversions, PiNode-like type information, and real unsafe casts.
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parents: 11732
diff changeset
155 return piCast(verifyOop(result), StampFactory.forNodeIntrinsic());
5624
7d25723b7699 added oop verification to NewInstanceSnippets when -XX:+VerifyOops is enabled
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parents: 5616
diff changeset
156 }
7d25723b7699 added oop verification to NewInstanceSnippets when -XX:+VerifyOops is enabled
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parents: 5616
diff changeset
157
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63b6ad88b08f Consolidation of new allocation stubs to use the standard ForeignCallNode.
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parents: 19613
diff changeset
158 @NodeIntrinsic(ForeignCallNode.class)
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parents: 19613
diff changeset
159 public static native Object newInstance(@ConstantNodeParameter ForeignCallDescriptor descriptor, KlassPointer hub);
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parents: 19613
diff changeset
160
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parents: 13505
diff changeset
161 @Snippet
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parents: 20836
diff changeset
162 public static Object allocateInstanceDynamic(Class<?> type, @ConstantParameter boolean fillContents, @ConstantParameter Register threadRegister) {
18502
f38677340519 Add memory operations to MetaspacePointer
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parents: 18491
diff changeset
163 KlassPointer hub = ClassGetHubNode.readClass(type);
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parents: 18491
diff changeset
164 if (probability(FAST_PATH_PROBABILITY, !hub.isNull())) {
16386
9ce3b1efc4e7 InstanceKlass::_init_state only exists for InstanceKlasses
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parents: 16238
diff changeset
165 if (probability(FAST_PATH_PROBABILITY, isInstanceKlassFullyInitialized(hub))) {
18502
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parents: 18491
diff changeset
166 int layoutHelper = readLayoutHelper(hub);
13582
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parents: 13578
diff changeset
167 /*
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parents: 13578
diff changeset
168 * src/share/vm/oops/klass.hpp: For instances, layout helper is a positive number,
be5006687c43 Add initialization checks to Unsafe.allocateInstance intrinsic
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parents: 13578
diff changeset
169 * the instance size. This size is already passed through align_object_size and
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parents: 13578
diff changeset
170 * scaled to bytes. The low order bit is set if instances of this class cannot be
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171 * allocated using the fastpath.
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diff changeset
172 */
13631
11c46696a655 Add probabilities to NewObjectSnippets.allocateInstanceDynamic
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parents: 13582
diff changeset
173 if (probability(FAST_PATH_PROBABILITY, (layoutHelper & 1) == 0)) {
13582
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parents: 13578
diff changeset
174 Word prototypeMarkWord = hub.readWord(prototypeMarkWordOffset(), PROTOTYPE_MARK_WORD_LOCATION);
19904
15ef790fec92 NewObjectSnippets: work around problems with late binding of snippet parameters in GraphBuilderPlugins.
Josef Eisl <josef.eisl@jku.at>
parents: 19856
diff changeset
175 /*
15ef790fec92 NewObjectSnippets: work around problems with late binding of snippet parameters in GraphBuilderPlugins.
Josef Eisl <josef.eisl@jku.at>
parents: 19856
diff changeset
176 * FIXME(je,ds): we should actually pass typeContext instead of "" but late
15ef790fec92 NewObjectSnippets: work around problems with late binding of snippet parameters in GraphBuilderPlugins.
Josef Eisl <josef.eisl@jku.at>
parents: 19856
diff changeset
177 * binding of parameters is not yet supported by the GraphBuilderPlugin system.
15ef790fec92 NewObjectSnippets: work around problems with late binding of snippet parameters in GraphBuilderPlugins.
Josef Eisl <josef.eisl@jku.at>
parents: 19856
diff changeset
178 */
15ef790fec92 NewObjectSnippets: work around problems with late binding of snippet parameters in GraphBuilderPlugins.
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parents: 19856
diff changeset
179 return allocateInstance(layoutHelper, hub, prototypeMarkWord, fillContents, threadRegister, false, "");
13582
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180 }
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181 }
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parents: 13505
diff changeset
182 }
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diff changeset
183 return dynamicNewInstanceStub(type);
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184 }
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parents: 13505
diff changeset
185
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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parents: 5720
diff changeset
186 /**
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187 * Maximum array length for which fast path allocation is used.
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diff changeset
188 */
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diff changeset
189 public static final int MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH = 0x00FFFFFF;
5760
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diff changeset
190
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parents: 5720
diff changeset
191 @Snippet
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parents: 18377
diff changeset
192 public static Object allocateArray(KlassPointer hub, int length, Word prototypeMarkWord, @ConstantParameter int headerSize, @ConstantParameter int log2ElementSize,
14101
2ec05c3f773b fix overzeroing of new storage, refactor zeroing and unroll zeroing of small arrays
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parents: 13631
diff changeset
193 @ConstantParameter boolean fillContents, @ConstantParameter Register threadRegister, @ConstantParameter boolean maybeUnroll, @ConstantParameter String typeContext) {
15634
172484b8f800 don't deopt on large array allocations
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parents: 15261
diff changeset
194 return allocateArrayImpl(hub, length, prototypeMarkWord, headerSize, log2ElementSize, fillContents, threadRegister, maybeUnroll, typeContext, false);
10542
554f67e4ff3f Use slow-path stub call instead of deopt in lowering of DynamicNewArrayNode.
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parents: 10456
diff changeset
195 }
9688
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Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
196
18401
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parents: 18377
diff changeset
197 private static Object allocateArrayImpl(KlassPointer hub, int length, Word prototypeMarkWord, int headerSize, int log2ElementSize, boolean fillContents,
e7ab82e7cc37 Move metaspace pointer handling to hotspot specific WordTypeRewriter.
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parents: 18377
diff changeset
198 @ConstantParameter Register threadRegister, @ConstantParameter boolean maybeUnroll, String typeContext, boolean skipNegativeCheck) {
9688
0d0645267c32 simplify NewObjectSnippets
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parents: 9602
diff changeset
199 Object result;
0d0645267c32 simplify NewObjectSnippets
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parents: 9602
diff changeset
200 int alignment = wordSize();
7147
88d626e2c2a8 added TLAB fast refill stub for array allocation
Doug Simon <doug.simon@oracle.com>
parents: 7145
diff changeset
201 int allocationSize = computeArrayAllocationSize(length, alignment, headerSize, log2ElementSize);
12789
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parents: 12767
diff changeset
202 Word thread = registerAsWord(threadRegister);
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
203 Word top = readTlabTop(thread);
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
204 Word end = readTlabEnd(thread);
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
205 Word newTop = top.add(allocationSize);
21489
b3f1d8b23037 Fix probabilities for new array instances.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 21456
diff changeset
206 if (probability(FREQUENT_PROBABILITY, skipNegativeCheck || belowThan(length, MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH)) && useTLAB() &&
b3f1d8b23037 Fix probabilities for new array instances.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 21456
diff changeset
207 probability(FAST_PATH_PROBABILITY, newTop.belowOrEqual(end))) {
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
208 writeTlabTop(thread, newTop);
13255
785bbb619238 Basic allocation prefetching support
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13150
diff changeset
209 emitPrefetchAllocate(newTop, true);
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
210 newarray_loopInit.inc();
14766
390d72c7cc04 SnippetCounters: HotSpot stubs are not allowed to embed oops, thus exclude them in stubs
Bernhard Urban <bernhard.urban@jku.at>
parents: 14763
diff changeset
211 result = formatArray(hub, allocationSize, length, headerSize, top, prototypeMarkWord, fillContents, maybeUnroll, true);
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
212 } else {
19856
63b6ad88b08f Consolidation of new allocation stubs to use the standard ForeignCallNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19613
diff changeset
213 result = newArray(HotSpotBackend.NEW_ARRAY, hub, length);
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
214 }
11873
8a201c64cd18 in-depth profiling of allocations and monitors
Lukas Stadler <lukas.stadler@jku.at>
parents: 11845
diff changeset
215 profileAllocation("array", allocationSize, typeContext);
11752
7e7edb86fb43 Refactor the handling of unsafe casts to distinguish between word-object-conversions, PiNode-like type information, and real unsafe casts.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 11732
diff changeset
216 return piArrayCast(verifyOop(result), length, StampFactory.forNodeIntrinsic());
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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parents: 5720
diff changeset
217 }
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
218
19856
63b6ad88b08f Consolidation of new allocation stubs to use the standard ForeignCallNode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19613
diff changeset
219 @NodeIntrinsic(ForeignCallNode.class)
63b6ad88b08f Consolidation of new allocation stubs to use the standard ForeignCallNode.
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parents: 19613
diff changeset
220 public static native Object newArray(@ConstantNodeParameter ForeignCallDescriptor descriptor, KlassPointer hub, int length);
63b6ad88b08f Consolidation of new allocation stubs to use the standard ForeignCallNode.
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parents: 19613
diff changeset
221
10586
110434bc2913 Remove unnecessary class.
Roland Schatz <roland.schatz@oracle.com>
parents: 10542
diff changeset
222 public static final ForeignCallDescriptor DYNAMIC_NEW_ARRAY = new ForeignCallDescriptor("dynamic_new_array", Object.class, Class.class, int.class);
13578
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
223 public static final ForeignCallDescriptor DYNAMIC_NEW_INSTANCE = new ForeignCallDescriptor("dynamic_new_instance", Object.class, Class.class);
10586
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parents: 10542
diff changeset
224
110434bc2913 Remove unnecessary class.
Roland Schatz <roland.schatz@oracle.com>
parents: 10542
diff changeset
225 @NodeIntrinsic(ForeignCallNode.class)
110434bc2913 Remove unnecessary class.
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parents: 10542
diff changeset
226 public static native Object dynamicNewArrayStub(@ConstantNodeParameter ForeignCallDescriptor descriptor, Class<?> elementType, int length);
110434bc2913 Remove unnecessary class.
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parents: 10542
diff changeset
227
13578
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parents: 13505
diff changeset
228 public static Object dynamicNewInstanceStub(Class<?> elementType) {
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
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parents: 13505
diff changeset
229 return dynamicNewInstanceStubCall(DYNAMIC_NEW_INSTANCE, elementType);
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Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
230 }
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
231
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
232 @NodeIntrinsic(ForeignCallNode.class)
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
233 public static native Object dynamicNewInstanceStubCall(@ConstantNodeParameter ForeignCallDescriptor descriptor, Class<?> elementType);
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
234
10027
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Roland Schatz <roland.schatz@oracle.com>
parents: 9896
diff changeset
235 @Snippet
12789
e3d1e4f635e9 pass thread register into allocation snippets instead of getting it from the host provider
Doug Simon <doug.simon@oracle.com>
parents: 12767
diff changeset
236 public static Object allocateArrayDynamic(Class<?> elementType, int length, @ConstantParameter boolean fillContents, @ConstantParameter Register threadRegister) {
18340
a0381103324b More folding of constant classes and NodeClass references
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18307
diff changeset
237 Word hub = loadWordFromObject(elementType, arrayKlassOffset(), CLASS_ARRAY_KLASS_LOCATION);
21489
b3f1d8b23037 Fix probabilities for new array instances.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 21456
diff changeset
238 if (probability(BranchProbabilityNode.NOT_FREQUENT_PROBABILITY, hub.equal(Word.zero()) || !belowThan(length, MAX_ARRAY_FAST_PATH_ALLOCATION_LENGTH))) {
10586
110434bc2913 Remove unnecessary class.
Roland Schatz <roland.schatz@oracle.com>
parents: 10542
diff changeset
239 return dynamicNewArrayStub(DYNAMIC_NEW_ARRAY, elementType, length);
10027
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Roland Schatz <roland.schatz@oracle.com>
parents: 9896
diff changeset
240 }
e561e0a6f727 DynamicNewArrayNode
Roland Schatz <roland.schatz@oracle.com>
parents: 9896
diff changeset
241
18401
e7ab82e7cc37 Move metaspace pointer handling to hotspot specific WordTypeRewriter.
Roland Schatz <roland.schatz@oracle.com>
parents: 18377
diff changeset
242 KlassPointer klass = KlassPointer.fromWord(hub);
e7ab82e7cc37 Move metaspace pointer handling to hotspot specific WordTypeRewriter.
Roland Schatz <roland.schatz@oracle.com>
parents: 18377
diff changeset
243 int layoutHelper = readLayoutHelper(klass);
10027
e561e0a6f727 DynamicNewArrayNode
Roland Schatz <roland.schatz@oracle.com>
parents: 9896
diff changeset
244 //@formatter:off
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245 // from src/share/vm/oops/klass.hpp:
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246 //
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247 // For arrays, layout helper is a negative number, containing four
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248 // distinct bytes, as follows:
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249 // MSB:[tag, hsz, ebt, log2(esz)]:LSB
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250 // where:
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251 // tag is 0x80 if the elements are oops, 0xC0 if non-oops
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252 // hsz is array header size in bytes (i.e., offset of first element)
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253 // ebt is the BasicType of the elements
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254 // esz is the element size in bytes
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255 //@formatter:on
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256
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257 int headerSize = (layoutHelper >> layoutHelperHeaderSizeShift()) & layoutHelperHeaderSizeMask();
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258 int log2ElementSize = (layoutHelper >> layoutHelperLog2ElementSizeShift()) & layoutHelperLog2ElementSizeMask();
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259 Word prototypeMarkWord = hub.readWord(prototypeMarkWordOffset(), PROTOTYPE_MARK_WORD_LOCATION);
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260
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261 return allocateArrayImpl(klass, length, prototypeMarkWord, headerSize, log2ElementSize, fillContents, threadRegister, false, "dynamic type", true);
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262 }
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263
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264 /**
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265 * Calls the runtime stub for implementing MULTIANEWARRAY.
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266 */
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267 @Snippet
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268 public static Object newmultiarray(Word hub, @ConstantParameter int rank, @VarargsParameter int[] dimensions) {
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269 Word dims = DimensionsNode.allocaDimsArray(rank);
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270 ExplodeLoopNode.explodeLoop();
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271 for (int i = 0; i < rank; i++) {
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272 dims.writeInt(i * 4, dimensions[i], INIT_LOCATION);
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273 }
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274 return newArrayCall(HotSpotBackend.NEW_MULTI_ARRAY, hub, rank, dims);
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275 }
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276
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277 @NodeIntrinsic(ForeignCallNode.class)
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278 public static native Object newArrayCall(@ConstantNodeParameter ForeignCallDescriptor descriptor, Word hub, int rank, Word dims);
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279
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280 /**
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281 * Maximum number of long stores to emit when zeroing an object with a constant size. Larger
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282 * objects have their bodies initialized in a loop.
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283 */
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284 private static final int MAX_UNROLLED_OBJECT_ZEROING_STORES = 8;
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285
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286 /**
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287 * Zero uninitialized memory in a newly allocated object, unrolling as necessary and ensuring
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288 * that stores are aligned.
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289 *
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290 * @param size number of bytes to zero
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291 * @param memory beginning of object which is being zeroed
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292 * @param constantSize is @ size} known to be constant in the snippet
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293 * @param startOffset offset to begin zeroing. May not be word aligned.
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294 * @param manualUnroll maximally unroll zeroing
5563
6a2671066204 added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
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parents:
diff changeset
295 */
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296 private static void zeroMemory(int size, Word memory, boolean constantSize, int startOffset, boolean manualUnroll, boolean useSnippetCounters) {
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297 ReplacementsUtil.runtimeAssert((size & 0x7) == 0, "unaligned object size");
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298 int offset = startOffset;
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299 if ((offset & 0x7) != 0) {
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300 memory.writeInt(offset, 0, INIT_LOCATION);
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301 offset += 4;
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302 }
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diff changeset
303 ReplacementsUtil.runtimeAssert((offset & 0x7) == 0, "unaligned offset");
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304 if (manualUnroll && ((size - offset) / 8) <= MAX_UNROLLED_OBJECT_ZEROING_STORES) {
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diff changeset
305 ReplacementsUtil.staticAssert(!constantSize, "size shouldn't be constant at instantiation time");
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306 // This case handles arrays of constant length. Instead of having a snippet variant for
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307 // each length, generate a chain of stores of maximum length. Once it's inlined the
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308 // break statement will trim excess stores.
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diff changeset
309 if (useSnippetCounters) {
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diff changeset
310 new_seqInit.inc();
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diff changeset
311 }
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diff changeset
312 explodeLoop();
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diff changeset
313 for (int i = 0; i < MAX_UNROLLED_OBJECT_ZEROING_STORES; i++, offset += 8) {
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diff changeset
314 if (offset == size) {
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diff changeset
315 break;
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316 }
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diff changeset
317 memory.initializeLong(offset, 0, INIT_LOCATION);
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318 }
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319 } else {
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diff changeset
320 // Use Word instead of int to avoid extension to long in generated code
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diff changeset
321 Word off = Word.signed(offset);
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diff changeset
322 if (constantSize && ((size - offset) / 8) <= MAX_UNROLLED_OBJECT_ZEROING_STORES) {
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parents: 14763
diff changeset
323 if (useSnippetCounters) {
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parents: 14763
diff changeset
324 new_seqInit.inc();
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diff changeset
325 }
6355
892d3c82febe add support for fillConents to NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 6328
diff changeset
326 explodeLoop();
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parents: 6328
diff changeset
327 } else {
14766
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diff changeset
328 if (useSnippetCounters) {
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diff changeset
329 new_loopInit.inc();
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diff changeset
330 }
13578
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
331 }
14101
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diff changeset
332 for (; off.rawValue() < size; off = off.add(8)) {
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diff changeset
333 memory.initializeLong(off, 0, INIT_LOCATION);
5760
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parents: 5720
diff changeset
334 }
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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diff changeset
335 }
14101
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diff changeset
336 }
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diff changeset
337
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diff changeset
338 /**
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339 * Formats some allocated memory with an object header and zeroes out the rest. Disables asserts
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340 * since they can't be compiled in stubs.
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diff changeset
341 */
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diff changeset
342 public static Object formatObjectForStub(KlassPointer hub, int size, Word memory, Word compileTimePrototypeMarkWord) {
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diff changeset
343 return formatObject(hub, size, memory, compileTimePrototypeMarkWord, true, false, false);
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344 }
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345
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346 /**
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347 * Formats some allocated memory with an object header and zeroes out the rest.
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diff changeset
348 */
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diff changeset
349 protected static Object formatObject(KlassPointer hub, int size, Word memory, Word compileTimePrototypeMarkWord, boolean fillContents, boolean constantSize, boolean useSnippetCounters) {
18502
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diff changeset
350 Word prototypeMarkWord = useBiasedLocking() ? hub.readWord(prototypeMarkWordOffset(), PROTOTYPE_MARK_WORD_LOCATION) : compileTimePrototypeMarkWord;
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diff changeset
351 initializeObjectHeader(memory, prototypeMarkWord, hub);
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diff changeset
352 if (fillContents) {
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diff changeset
353 zeroMemory(size, memory, constantSize, instanceHeaderSize(), false, useSnippetCounters);
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diff changeset
354 }
9688
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parents: 9602
diff changeset
355 return memory.toObject();
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parents: 5720
diff changeset
356 }
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
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diff changeset
357
18699
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parents: 18674
diff changeset
358 @Snippet
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diff changeset
359 protected static void verifyHeap(@ConstantParameter Register threadRegister) {
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diff changeset
360 Word thread = registerAsWord(threadRegister);
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diff changeset
361 Word topValue = readTlabTop(thread);
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diff changeset
362 if (!topValue.equal(Word.zero())) {
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diff changeset
363 Word topValueContents = topValue.readWord(0, MARK_WORD_LOCATION);
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diff changeset
364 if (topValueContents.equal(Word.zero())) {
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parents: 18674
diff changeset
365 AssertionSnippets.vmMessageC(AssertionSnippets.ASSERTION_VM_MESSAGE_C, true, cstring("overzeroing of TLAB detected"), 0L, 0L, 0L);
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
366 }
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
367 }
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
368 }
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
369
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
370 /**
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
371 * Formats some allocated memory with an object header and zeroes out the rest.
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
372 */
18401
e7ab82e7cc37 Move metaspace pointer handling to hotspot specific WordTypeRewriter.
Roland Schatz <roland.schatz@oracle.com>
parents: 18377
diff changeset
373 public static Object formatArray(KlassPointer hub, int allocationSize, int length, int headerSize, Word memory, Word prototypeMarkWord, boolean fillContents, boolean maybeUnroll,
14766
390d72c7cc04 SnippetCounters: HotSpot stubs are not allowed to embed oops, thus exclude them in stubs
Bernhard Urban <bernhard.urban@jku.at>
parents: 14763
diff changeset
374 boolean useSnippetCounters) {
11845
7b51e43b05cd NewObjectSnippets: don't use a seperate location for initializing the array length field
Bernhard Urban <bernhard.urban@jku.at>
parents: 11773
diff changeset
375 memory.writeInt(arrayLengthOffset(), length, INIT_LOCATION);
9015
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
376 /*
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
377 * store hub last as the concurrent garbage collectors assume length is valid if hub field
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
378 * is not null
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
379 */
7868
7a5bbcc36bb2 add location identity to Pointer read and write operations
Lukas Stadler <lukas.stadler@jku.at>
parents: 7701
diff changeset
380 initializeObjectHeader(memory, prototypeMarkWord, hub);
6355
892d3c82febe add support for fillConents to NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 6328
diff changeset
381 if (fillContents) {
16084
b37dbfdfbbfb assertion mechanism for snippets and stubs
Lukas Stadler <lukas.stadler@oracle.com>
parents: 15889
diff changeset
382 zeroMemory(allocationSize, memory, false, headerSize, maybeUnroll, useSnippetCounters);
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
383 }
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
384 return memory.toObject();
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
385 }
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
386
9015
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
387 public static class Templates extends AbstractTemplates {
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
388
20178
7ba8fb19d56d Check that snippets only access locations that are either accessed by the replacee, or are private to the snippet.
Roland Schatz <roland.schatz@oracle.com>
parents: 19904
diff changeset
389 private final SnippetInfo allocateInstance = snippet(NewObjectSnippets.class, "allocateInstance", INIT_LOCATION, MARK_WORD_LOCATION, HUB_WRITE_LOCATION, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
7ba8fb19d56d Check that snippets only access locations that are either accessed by the replacee, or are private to the snippet.
Roland Schatz <roland.schatz@oracle.com>
parents: 19904
diff changeset
390 private final SnippetInfo allocateArray = snippet(NewObjectSnippets.class, "allocateArray", INIT_LOCATION, MARK_WORD_LOCATION, HUB_WRITE_LOCATION, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
7ba8fb19d56d Check that snippets only access locations that are either accessed by the replacee, or are private to the snippet.
Roland Schatz <roland.schatz@oracle.com>
parents: 19904
diff changeset
391 private final SnippetInfo allocateArrayDynamic = snippet(NewObjectSnippets.class, "allocateArrayDynamic", INIT_LOCATION, MARK_WORD_LOCATION, HUB_WRITE_LOCATION, TLAB_TOP_LOCATION,
7ba8fb19d56d Check that snippets only access locations that are either accessed by the replacee, or are private to the snippet.
Roland Schatz <roland.schatz@oracle.com>
parents: 19904
diff changeset
392 TLAB_END_LOCATION);
7ba8fb19d56d Check that snippets only access locations that are either accessed by the replacee, or are private to the snippet.
Roland Schatz <roland.schatz@oracle.com>
parents: 19904
diff changeset
393 private final SnippetInfo allocateInstanceDynamic = snippet(NewObjectSnippets.class, "allocateInstanceDynamic", INIT_LOCATION, MARK_WORD_LOCATION, HUB_WRITE_LOCATION, TLAB_TOP_LOCATION,
7ba8fb19d56d Check that snippets only access locations that are either accessed by the replacee, or are private to the snippet.
Roland Schatz <roland.schatz@oracle.com>
parents: 19904
diff changeset
394 TLAB_END_LOCATION);
20836
aff67777d2ea Better verification in assertSnippetKills.
Roland Schatz <roland.schatz@oracle.com>
parents: 20178
diff changeset
395 private final SnippetInfo newmultiarray = snippet(NewObjectSnippets.class, "newmultiarray", INIT_LOCATION, TLAB_TOP_LOCATION, TLAB_END_LOCATION);
18699
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
396 private final SnippetInfo verifyHeap = snippet(NewObjectSnippets.class, "verifyHeap");
9015
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
397
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 14908
diff changeset
398 public Templates(HotSpotProviders providers, TargetDescription target) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 14908
diff changeset
399 super(providers, providers.getSnippetReflection(), target);
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
400 }
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
401
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
402 /**
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
403 * Lowers a {@link NewInstanceNode}.
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
404 */
13505
75a67ebd50e8 Introduce a LoweringStage so that lowerings can be conditional on one of the three times that lowering is performed by default
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13268
diff changeset
405 public void lower(NewInstanceNode newInstanceNode, HotSpotRegistersProvider registers, LoweringTool tool) {
9602
19c5a07c7843 Introduce a graph() method that returns a StructuredGraph, to make many explicit casts unnecessary
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9516
diff changeset
406 StructuredGraph graph = newInstanceNode.graph();
7084
9ba90252ce08 HotSpotResolvedJavaType is now the HotSpot implementation of ResolvedJavaType,
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 7081
diff changeset
407 HotSpotResolvedObjectType type = (HotSpotResolvedObjectType) newInstanceNode.instanceClass();
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
408 assert !type.isArray();
18481
f91e40c4bb47 Create separate stamps for Klass* and Method*, and make them hotspot specific.
Roland Schatz <roland.schatz@oracle.com>
parents: 18401
diff changeset
409 ConstantNode hub = ConstantNode.forConstant(KlassPointerStamp.klassNonNull(), type.klass(), providers.getMetaAccess(), graph);
7544
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
410 int size = instanceSize(type);
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
411
13505
75a67ebd50e8 Introduce a LoweringStage so that lowerings can be conditional on one of the three times that lowering is performed by default
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13268
diff changeset
412 Arguments args = new Arguments(allocateInstance, graph.getGuardsStage(), tool.getLoweringStage());
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
413 args.addConst("size", size);
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
414 args.add("hub", hub);
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
415 args.add("prototypeMarkWord", type.prototypeMarkWord());
10760
59d2d6a30d29 Re-enable omission of array initialization for G1.
Roland Schatz <roland.schatz@oracle.com>
parents: 10745
diff changeset
416 args.addConst("fillContents", newInstanceNode.fillContents());
12789
e3d1e4f635e9 pass thread register into allocation snippets instead of getting it from the host provider
Doug Simon <doug.simon@oracle.com>
parents: 12767
diff changeset
417 args.addConst("threadRegister", registers.getThreadRegister());
13578
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
418 args.addConst("constantSize", true);
16478
1f1ac8857d92 moved toJavaName(JavaType type, boolean qualified) from MetaUtil to be a default method in JavaType
Doug Simon <doug.simon@oracle.com>
parents: 16386
diff changeset
419 args.addConst("typeContext", ProfileAllocations.getValue() ? type.toJavaName(false) : "");
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
420
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
421 SnippetTemplate template = template(args);
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
422 Debug.log("Lowering allocateInstance in %s: node=%s, template=%s, arguments=%s", graph, newInstanceNode, template, args);
12054
bba234a1670e grouped provider values/parameters into a Providers object (GRAAL-511)
Doug Simon <doug.simon@oracle.com>
parents: 12052
diff changeset
423 template.instantiate(providers.getMetaAccess(), newInstanceNode, DEFAULT_REPLACER, args);
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
424 }
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
425
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
426 /**
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
427 * Lowers a {@link NewArrayNode}.
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
428 */
18515
8b87897f5b42 introduced HotSpotGraalRuntimeProvder interface
Doug Simon <doug.simon@oracle.com>
parents: 18502
diff changeset
429 public void lower(NewArrayNode newArrayNode, HotSpotRegistersProvider registers, HotSpotGraalRuntimeProvider runtime, LoweringTool tool) {
9602
19c5a07c7843 Introduce a graph() method that returns a StructuredGraph, to make many explicit casts unnecessary
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9516
diff changeset
430 StructuredGraph graph = newArrayNode.graph();
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
431 ResolvedJavaType elementType = newArrayNode.elementType();
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
432 HotSpotResolvedObjectType arrayType = (HotSpotResolvedObjectType) elementType.getArrayClass();
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
433 Kind elementKind = elementType.getKind();
18481
f91e40c4bb47 Create separate stamps for Klass* and Method*, and make them hotspot specific.
Roland Schatz <roland.schatz@oracle.com>
parents: 18401
diff changeset
434 ConstantNode hub = ConstantNode.forConstant(KlassPointerStamp.klassNonNull(), arrayType.klass(), providers.getMetaAccess(), graph);
21528
513f8d0ae27d merge fixes
Doug Simon <doug.simon@oracle.com>
parents: 21526
diff changeset
435 final int headerSize = runtime.getJVMCIRuntime().getArrayBaseOffset(elementKind);
12796
68ff7abbfae5 renamed HotSpotHostLoweringProvider to HotSpotLoweringProvider
Doug Simon <doug.simon@oracle.com>
parents: 12789
diff changeset
436 HotSpotLoweringProvider lowerer = (HotSpotLoweringProvider) providers.getLowerer();
15889
8184c00fefd2 Factor out VM-independent part of DefaultHotSpotLoweringProvider into DefaultJavaLoweringProvider
Christian Wimmer <christian.wimmer@oracle.com>
parents: 15634
diff changeset
437 int log2ElementSize = CodeUtil.log2(lowerer.arrayScalingFactor(elementKind));
9015
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
438
13505
75a67ebd50e8 Introduce a LoweringStage so that lowerings can be conditional on one of the three times that lowering is performed by default
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13268
diff changeset
439 Arguments args = new Arguments(allocateArray, graph.getGuardsStage(), tool.getLoweringStage());
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
440 args.add("hub", hub);
16238
db5b41891078 let ArrayLengthNode implement Canonicalizable.Binary
Lukas Stadler <lukas.stadler@oracle.com>
parents: 16084
diff changeset
441 ValueNode length = newArrayNode.length();
db5b41891078 let ArrayLengthNode implement Canonicalizable.Binary
Lukas Stadler <lukas.stadler@oracle.com>
parents: 16084
diff changeset
442 args.add("length", length.isAlive() ? length : graph.addOrUniqueWithInputs(length));
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
443 args.add("prototypeMarkWord", arrayType.prototypeMarkWord());
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
444 args.addConst("headerSize", headerSize);
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
445 args.addConst("log2ElementSize", log2ElementSize);
10760
59d2d6a30d29 Re-enable omission of array initialization for G1.
Roland Schatz <roland.schatz@oracle.com>
parents: 10745
diff changeset
446 args.addConst("fillContents", newArrayNode.fillContents());
12789
e3d1e4f635e9 pass thread register into allocation snippets instead of getting it from the host provider
Doug Simon <doug.simon@oracle.com>
parents: 12767
diff changeset
447 args.addConst("threadRegister", registers.getThreadRegister());
16238
db5b41891078 let ArrayLengthNode implement Canonicalizable.Binary
Lukas Stadler <lukas.stadler@oracle.com>
parents: 16084
diff changeset
448 args.addConst("maybeUnroll", length.isConstant());
16478
1f1ac8857d92 moved toJavaName(JavaType type, boolean qualified) from MetaUtil to be a default method in JavaType
Doug Simon <doug.simon@oracle.com>
parents: 16386
diff changeset
449 args.addConst("typeContext", ProfileAllocations.getValue() ? arrayType.toJavaName(false) : "");
9015
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
450
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
451 SnippetTemplate template = template(args);
9688
0d0645267c32 simplify NewObjectSnippets
Lukas Stadler <lukas.stadler@jku.at>
parents: 9602
diff changeset
452 Debug.log("Lowering allocateArray in %s: node=%s, template=%s, arguments=%s", graph, newArrayNode, template, args);
12054
bba234a1670e grouped provider values/parameters into a Providers object (GRAAL-511)
Doug Simon <doug.simon@oracle.com>
parents: 12052
diff changeset
453 template.instantiate(providers.getMetaAccess(), newArrayNode, DEFAULT_REPLACER, args);
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
454 }
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5720
diff changeset
455
13578
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
456 public void lower(DynamicNewInstanceNode newInstanceNode, HotSpotRegistersProvider registers, LoweringTool tool) {
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
457 Arguments args = new Arguments(allocateInstanceDynamic, newInstanceNode.graph().getGuardsStage(), tool.getLoweringStage());
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
458 args.add("type", newInstanceNode.getInstanceType());
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
459 args.addConst("fillContents", newInstanceNode.fillContents());
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
460 args.addConst("threadRegister", registers.getThreadRegister());
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
461
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
462 SnippetTemplate template = template(args);
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
463 template.instantiate(providers.getMetaAccess(), newInstanceNode, DEFAULT_REPLACER, args);
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
464 }
d8143c431d63 Add DynamicNewInstanceNode and use it to intrinsify Unsafe.allocateInstance
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 13505
diff changeset
465
13505
75a67ebd50e8 Introduce a LoweringStage so that lowerings can be conditional on one of the three times that lowering is performed by default
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13268
diff changeset
466 public void lower(DynamicNewArrayNode newArrayNode, HotSpotRegistersProvider registers, LoweringTool tool) {
16238
db5b41891078 let ArrayLengthNode implement Canonicalizable.Binary
Lukas Stadler <lukas.stadler@oracle.com>
parents: 16084
diff changeset
467 StructuredGraph graph = newArrayNode.graph();
13505
75a67ebd50e8 Introduce a LoweringStage so that lowerings can be conditional on one of the three times that lowering is performed by default
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13268
diff changeset
468 Arguments args = new Arguments(allocateArrayDynamic, newArrayNode.graph().getGuardsStage(), tool.getLoweringStage());
10027
e561e0a6f727 DynamicNewArrayNode
Roland Schatz <roland.schatz@oracle.com>
parents: 9896
diff changeset
469 args.add("elementType", newArrayNode.getElementType());
16238
db5b41891078 let ArrayLengthNode implement Canonicalizable.Binary
Lukas Stadler <lukas.stadler@oracle.com>
parents: 16084
diff changeset
470 ValueNode length = newArrayNode.length();
db5b41891078 let ArrayLengthNode implement Canonicalizable.Binary
Lukas Stadler <lukas.stadler@oracle.com>
parents: 16084
diff changeset
471 args.add("length", length.isAlive() ? length : graph.addOrUniqueWithInputs(length));
10760
59d2d6a30d29 Re-enable omission of array initialization for G1.
Roland Schatz <roland.schatz@oracle.com>
parents: 10745
diff changeset
472 args.addConst("fillContents", newArrayNode.fillContents());
12789
e3d1e4f635e9 pass thread register into allocation snippets instead of getting it from the host provider
Doug Simon <doug.simon@oracle.com>
parents: 12767
diff changeset
473 args.addConst("threadRegister", registers.getThreadRegister());
10027
e561e0a6f727 DynamicNewArrayNode
Roland Schatz <roland.schatz@oracle.com>
parents: 9896
diff changeset
474
e561e0a6f727 DynamicNewArrayNode
Roland Schatz <roland.schatz@oracle.com>
parents: 9896
diff changeset
475 SnippetTemplate template = template(args);
12054
bba234a1670e grouped provider values/parameters into a Providers object (GRAAL-511)
Doug Simon <doug.simon@oracle.com>
parents: 12052
diff changeset
476 template.instantiate(providers.getMetaAccess(), newArrayNode, DEFAULT_REPLACER, args);
10027
e561e0a6f727 DynamicNewArrayNode
Roland Schatz <roland.schatz@oracle.com>
parents: 9896
diff changeset
477 }
e561e0a6f727 DynamicNewArrayNode
Roland Schatz <roland.schatz@oracle.com>
parents: 9896
diff changeset
478
13505
75a67ebd50e8 Introduce a LoweringStage so that lowerings can be conditional on one of the three times that lowering is performed by default
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13268
diff changeset
479 public void lower(NewMultiArrayNode newmultiarrayNode, LoweringTool tool) {
9602
19c5a07c7843 Introduce a graph() method that returns a StructuredGraph, to make many explicit casts unnecessary
Christian Wimmer <christian.wimmer@oracle.com>
parents: 9516
diff changeset
480 StructuredGraph graph = newmultiarrayNode.graph();
6431
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
481 int rank = newmultiarrayNode.dimensionCount();
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
482 ValueNode[] dims = new ValueNode[rank];
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
483 for (int i = 0; i < newmultiarrayNode.dimensionCount(); i++) {
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
484 dims[i] = newmultiarrayNode.dimension(i);
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
485 }
7084
9ba90252ce08 HotSpotResolvedJavaType is now the HotSpot implementation of ResolvedJavaType,
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 7081
diff changeset
486 HotSpotResolvedObjectType type = (HotSpotResolvedObjectType) newmultiarrayNode.type();
18481
f91e40c4bb47 Create separate stamps for Klass* and Method*, and make them hotspot specific.
Roland Schatz <roland.schatz@oracle.com>
parents: 18401
diff changeset
487 ConstantNode hub = ConstantNode.forConstant(KlassPointerStamp.klassNonNull(), type.klass(), providers.getMetaAccess(), graph);
9015
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
488
13505
75a67ebd50e8 Introduce a LoweringStage so that lowerings can be conditional on one of the three times that lowering is performed by default
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13268
diff changeset
489 Arguments args = new Arguments(newmultiarray, graph.getGuardsStage(), tool.getLoweringStage());
9015
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
490 args.add("hub", hub);
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
491 args.addConst("rank", rank);
92d2bedb5dfc Change of Snippet template and instantiation process
Christian Wimmer <christian.wimmer@oracle.com>
parents: 8898
diff changeset
492 args.addVarargs("dimensions", int.class, StampFactory.forKind(Kind.Int), dims);
12054
bba234a1670e grouped provider values/parameters into a Providers object (GRAAL-511)
Doug Simon <doug.simon@oracle.com>
parents: 12052
diff changeset
493 template(args).instantiate(providers.getMetaAccess(), newmultiarrayNode, DEFAULT_REPLACER, args);
6431
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6420
diff changeset
494 }
7544
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
495
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
496 private static int instanceSize(HotSpotResolvedObjectType type) {
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
497 int size = type.instanceSize();
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
498 assert size >= 0;
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
499 return size;
5d9c23b8dbb8 factored out common code in NewObjectSnippets
Doug Simon <doug.simon@oracle.com>
parents: 7530
diff changeset
500 }
18699
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
501
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
502 public void lower(VerifyHeapNode verifyHeapNode, HotSpotRegistersProvider registers, HotSpotGraalRuntimeProvider runtime, LoweringTool tool) {
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
503 if (runtime.getConfig().cAssertions) {
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
504 Arguments args = new Arguments(verifyHeap, verifyHeapNode.graph().getGuardsStage(), tool.getLoweringStage());
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
505 args.addConst("threadRegister", registers.getThreadRegister());
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
506
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
507 SnippetTemplate template = template(args);
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
508 template.instantiate(providers.getMetaAccess(), verifyHeapNode, DEFAULT_REPLACER, args);
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
509 } else {
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
510 GraphUtil.removeFixedWithUnusedInputs(verifyHeapNode);
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
511 }
08b17b738500 Add hooks for verifying heap from generated code
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 18674
diff changeset
512 }
5563
6a2671066204 added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
513 }
6a2671066204 added NewInstanceSnippets for lowering NewInstanceNodes (currently disabled by default)
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
514
9864
063a712fe8d8 converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9793
diff changeset
515 private static final SnippetCounter.Group countersNew = SnippetCounters.getValue() ? new SnippetCounter.Group("NewInstance") : null;
5772
2f7a03583a32 added counters for code paths through the new object snippets
Doug Simon <doug.simon@oracle.com>
parents: 5770
diff changeset
516 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
diff changeset
517 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
diff changeset
518 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
519
9864
063a712fe8d8 converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents: 9793
diff changeset
520 private static final SnippetCounter.Group countersNewArray = SnippetCounters.getValue() ? new SnippetCounter.Group("NewArray") : null;
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
521 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
522 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
523 }