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annotate graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotBackend.java @ 21526:1da7aef31a08

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created com.oracle.graal.hotspot.jvmci package and moved classes destined for future JVMCI module into it (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 19 May 2015 23:16:07 +0200
parents 15a46a918fc1
children 5e868236654f
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1 /*
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2 * Copyright (c) 2012, 2014, 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.amd64;
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24
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25 import static com.oracle.graal.amd64.AMD64.*;
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26 import static com.oracle.graal.api.code.CallingConvention.Type.*;
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27 import static com.oracle.graal.api.code.ValueUtil.*;
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28 import static com.oracle.graal.compiler.common.GraalOptions.*;
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29 import static com.oracle.graal.compiler.common.UnsafeAccess.*;
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30
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31 import java.util.*;
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32
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33 import com.oracle.graal.amd64.*;
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34 import com.oracle.graal.api.code.*;
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35 import com.oracle.graal.api.meta.*;
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36 import com.oracle.graal.asm.*;
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37 import com.oracle.graal.asm.amd64.*;
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38 import com.oracle.graal.asm.amd64.AMD64Assembler.ConditionFlag;
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39 import com.oracle.graal.compiler.gen.*;
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40 import com.oracle.graal.compiler.target.*;
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41 import com.oracle.graal.hotspot.*;
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42 import com.oracle.graal.hotspot.jvmci.*;
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43 import com.oracle.graal.hotspot.meta.*;
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44 import com.oracle.graal.hotspot.stubs.*;
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45 import com.oracle.graal.lir.*;
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46 import com.oracle.graal.lir.amd64.*;
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47 import com.oracle.graal.lir.asm.*;
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48 import com.oracle.graal.lir.framemap.*;
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49 import com.oracle.graal.lir.gen.*;
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50 import com.oracle.graal.nodes.*;
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51 import com.oracle.graal.nodes.spi.*;
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52
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53 /**
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54 * HotSpot AMD64 specific backend.
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55 */
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56 public class AMD64HotSpotBackend extends HotSpotHostBackend {
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57
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58 public AMD64HotSpotBackend(HotSpotGraalRuntimeProvider runtime, HotSpotProviders providers) {
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59 super(runtime, providers);
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60 }
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61
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62 @Override
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63 public FrameMapBuilder newFrameMapBuilder(RegisterConfig registerConfig) {
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64 RegisterConfig registerConfigNonNull = registerConfig == null ? getCodeCache().getRegisterConfig() : registerConfig;
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65 return new AMD64FrameMapBuilder(newFrameMap(registerConfigNonNull), getCodeCache(), registerConfigNonNull);
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66 }
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67
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68 @Override
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69 public FrameMap newFrameMap(RegisterConfig registerConfig) {
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70 return new AMD64FrameMap(getCodeCache(), registerConfig);
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71 }
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72
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73 @Override
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74 public LIRGeneratorTool newLIRGenerator(CallingConvention cc, LIRGenerationResult lirGenRes) {
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75 return new AMD64HotSpotLIRGenerator(getProviders(), getRuntime().getConfig(), cc, lirGenRes);
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76 }
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77
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78 @Override
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79 public LIRGenerationResult newLIRGenerationResult(String compilationUnitName, LIR lir, FrameMapBuilder frameMapBuilder, ResolvedJavaMethod method, Object stub) {
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80 return new AMD64HotSpotLIRGenerationResult(compilationUnitName, lir, frameMapBuilder, stub);
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81 }
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82
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83 @Override
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84 public NodeLIRBuilderTool newNodeLIRBuilder(StructuredGraph graph, LIRGeneratorTool lirGen) {
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85 return new AMD64HotSpotNodeLIRBuilder(getRuntime(), graph, lirGen);
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86 }
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87
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88 @Override
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89 public BytecodeLIRBuilder newBytecodeLIRBuilder(LIRGeneratorTool gen, BytecodeParserTool parser) {
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90 return new AMD64HotSpotBytecodeLIRBuilder(gen, parser);
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91
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92 }
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93
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94 /**
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95 * Emits code to do stack overflow checking.
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96 *
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97 * @param afterFrameInit specifies if the stack pointer has already been adjusted to allocate
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98 * the current frame
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99 * @param isVerifiedEntryPoint specifies if the code buffer is currently at the verified entry
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100 * point
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101 */
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102 protected static void emitStackOverflowCheck(CompilationResultBuilder crb, int pagesToBang, boolean afterFrameInit, boolean isVerifiedEntryPoint) {
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103 if (pagesToBang > 0) {
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104
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105 AMD64MacroAssembler asm = (AMD64MacroAssembler) crb.asm;
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106 int frameSize = crb.frameMap.frameSize();
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107 if (frameSize > 0) {
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108 int lastFramePage = frameSize / unsafe.pageSize();
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109 // emit multiple stack bangs for methods with frames larger than a page
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110 for (int i = 0; i <= lastFramePage; i++) {
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111 int disp = (i + pagesToBang) * unsafe.pageSize();
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112 if (afterFrameInit) {
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113 disp -= frameSize;
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114 }
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diff changeset
115 crb.blockComment("[stack overflow check]");
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diff changeset
116 int pos = asm.position();
8167
7f57c30575c8 Make AMD64Address a low-level representation for use by the assembler only.
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parents: 8166
diff changeset
117 asm.movq(new AMD64Address(rsp, -disp), AMD64.rax);
14031
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diff changeset
118 assert i > 0 || !isVerifiedEntryPoint || asm.position() - pos >= PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE;
7808
932a45568706 Move stack banging code to the AMD64-specific code.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
119 }
932a45568706 Move stack banging code to the AMD64-specific code.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
120 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
121 }
932a45568706 Move stack banging code to the AMD64-specific code.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
122 }
932a45568706 Move stack banging code to the AMD64-specific code.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 7530
diff changeset
123
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diff changeset
124 /**
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125 * The size of the instruction used to patch the verified entry point of an nmethod when the
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parents: 12610
diff changeset
126 * nmethod is made non-entrant or a zombie (e.g. during deopt or class unloading). The first
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127 * instruction emitted at an nmethod's verified entry point must be at least this length to
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af7d328b2cc7 minor renamings
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parents: 13234
diff changeset
128 * ensure mt-safe patching.
13223
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diff changeset
129 */
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130 public static final int PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE = 5;
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131
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diff changeset
132 /**
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133 * Emits code at the verified entry point and return point(s) of a method.
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diff changeset
134 */
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parents:
diff changeset
135 class HotSpotFrameContext implements FrameContext {
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parents:
diff changeset
136
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diff changeset
137 final boolean isStub;
13223
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diff changeset
138 final boolean omitFrame;
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diff changeset
139
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diff changeset
140 HotSpotFrameContext(boolean isStub, boolean omitFrame) {
9451
3ccda80d466b stack overflow check and deopt/exception handler entry points are omitted from compiled stubs
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diff changeset
141 this.isStub = isStub;
13223
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diff changeset
142 this.omitFrame = omitFrame;
9451
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143 }
3ccda80d466b stack overflow check and deopt/exception handler entry points are omitted from compiled stubs
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diff changeset
144
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Doug Simon <doug.simon@oracle.com>
parents: 13229
diff changeset
145 public boolean hasFrame() {
7e237378923d made the frameContext of a CompilationResultBuilder always non-null and added FrameContext.hasFrame() to determine if a frame is actually generated
Doug Simon <doug.simon@oracle.com>
parents: 13229
diff changeset
146 return !omitFrame;
7e237378923d made the frameContext of a CompilationResultBuilder always non-null and added FrameContext.hasFrame() to determine if a frame is actually generated
Doug Simon <doug.simon@oracle.com>
parents: 13229
diff changeset
147 }
7e237378923d made the frameContext of a CompilationResultBuilder always non-null and added FrameContext.hasFrame() to determine if a frame is actually generated
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parents: 13229
diff changeset
148
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parents:
diff changeset
149 @Override
13227
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Doug Simon <doug.simon@oracle.com>
parents: 13223
diff changeset
150 public void enter(CompilationResultBuilder crb) {
1a66453f73db renamed TargetMethodAssembler to CompilationResultBuilder
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parents: 13223
diff changeset
151 FrameMap frameMap = crb.frameMap;
5233
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parents:
diff changeset
152 int frameSize = frameMap.frameSize();
13227
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parents: 13223
diff changeset
153 AMD64MacroAssembler asm = (AMD64MacroAssembler) crb.asm;
13223
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154 if (omitFrame) {
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diff changeset
155 if (!isStub) {
78c808233ff1 ensure instruction at verified entry point is safely patchable (GRAAL-605)
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parents: 12610
diff changeset
156 asm.nop(PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE);
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diff changeset
157 }
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diff changeset
158 } else {
14031
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twisti
parents: 13895
diff changeset
159 int verifiedEntryPointOffset = asm.position();
13310
733cccc125ed added subqWide to AMD64Assembler
Doug Simon <doug.simon@oracle.com>
parents: 13252
diff changeset
160 if (!isStub && pagesToBang > 0) {
733cccc125ed added subqWide to AMD64Assembler
Doug Simon <doug.simon@oracle.com>
parents: 13252
diff changeset
161 emitStackOverflowCheck(crb, pagesToBang, false, true);
14031
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twisti
parents: 13895
diff changeset
162 assert asm.position() - verifiedEntryPointOffset >= PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE;
5233
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parents:
diff changeset
163 }
14031
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twisti
parents: 13895
diff changeset
164 if (!isStub && asm.position() == verifiedEntryPointOffset) {
13310
733cccc125ed added subqWide to AMD64Assembler
Doug Simon <doug.simon@oracle.com>
parents: 13252
diff changeset
165 asm.subqWide(rsp, frameSize);
14031
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parents: 13895
diff changeset
166 assert asm.position() - verifiedEntryPointOffset >= PATCHED_VERIFIED_ENTRY_POINT_INSTRUCTION_SIZE;
13223
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diff changeset
167 } else {
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diff changeset
168 asm.decrementq(rsp, frameSize);
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169 }
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diff changeset
170 if (ZapStackOnMethodEntry.getValue()) {
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diff changeset
171 final int intSize = 4;
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diff changeset
172 for (int i = 0; i < frameSize / intSize; ++i) {
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diff changeset
173 asm.movl(new AMD64Address(rsp, i * intSize), 0xC1C1C1C1);
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174 }
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175 }
18123
3c7e73362d6a Encapsulate FrameMap.registerConfig & FrameMap.target.
Josef Eisl <josef.eisl@jku.at>
parents: 16895
diff changeset
176 CalleeSaveLayout csl = frameMap.getRegisterConfig().getCalleeSaveLayout();
13223
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177 if (csl != null && csl.size != 0) {
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diff changeset
178 int frameToCSA = frameMap.offsetToCalleeSaveArea();
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diff changeset
179 assert frameToCSA >= 0;
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diff changeset
180 asm.save(csl, frameToCSA);
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181 }
5233
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parents:
diff changeset
182 }
efbb1e33e2f3 removed XIR prologue and epilogues - architecture and runtime specific subclass of Backend is now used instead
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
183 }
efbb1e33e2f3 removed XIR prologue and epilogues - architecture and runtime specific subclass of Backend is now used instead
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
184
efbb1e33e2f3 removed XIR prologue and epilogues - architecture and runtime specific subclass of Backend is now used instead
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parents:
diff changeset
185 @Override
13227
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parents: 13223
diff changeset
186 public void leave(CompilationResultBuilder crb) {
13223
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diff changeset
187 if (!omitFrame) {
13227
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parents: 13223
diff changeset
188 AMD64MacroAssembler asm = (AMD64MacroAssembler) crb.asm;
18123
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Josef Eisl <josef.eisl@jku.at>
parents: 16895
diff changeset
189 CalleeSaveLayout csl = crb.frameMap.getRegisterConfig().getCalleeSaveLayout();
5233
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parents:
diff changeset
190
13223
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diff changeset
191 if (csl != null && csl.size != 0) {
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diff changeset
192 // saved all registers, restore all registers
13227
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parents: 13223
diff changeset
193 int frameToCSA = crb.frameMap.offsetToCalleeSaveArea();
13223
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parents: 12610
diff changeset
194 asm.restore(csl, frameToCSA);
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diff changeset
195 }
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diff changeset
196
13227
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parents: 13223
diff changeset
197 int frameSize = crb.frameMap.frameSize();
13223
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diff changeset
198 asm.incrementq(rsp, frameSize);
5233
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Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
199 }
efbb1e33e2f3 removed XIR prologue and epilogues - architecture and runtime specific subclass of Backend is now used instead
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
200 }
efbb1e33e2f3 removed XIR prologue and epilogues - architecture and runtime specific subclass of Backend is now used instead
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
201 }
efbb1e33e2f3 removed XIR prologue and epilogues - architecture and runtime specific subclass of Backend is now used instead
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
202
efbb1e33e2f3 removed XIR prologue and epilogues - architecture and runtime specific subclass of Backend is now used instead
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
203 @Override
14032
d1c1f103d42c renamed com.oracle.graal.asm.AbstractAssembler to com.oracle.graal.asm.Assembler
twisti
parents: 14031
diff changeset
204 protected Assembler createAssembler(FrameMap frameMap) {
18123
3c7e73362d6a Encapsulate FrameMap.registerConfig & FrameMap.target.
Josef Eisl <josef.eisl@jku.at>
parents: 16895
diff changeset
205 return new AMD64MacroAssembler(getTarget(), frameMap.getRegisterConfig());
9432
6680389bd36f Make assembler creation in backend more extensible.
Roland Schatz <roland.schatz@oracle.com>
parents: 9415
diff changeset
206 }
6680389bd36f Make assembler creation in backend more extensible.
Roland Schatz <roland.schatz@oracle.com>
parents: 9415
diff changeset
207
6680389bd36f Make assembler creation in backend more extensible.
Roland Schatz <roland.schatz@oracle.com>
parents: 9415
diff changeset
208 @Override
18149
aed00dc20923 Pass FrameMap to Backend.newCompilationResultBuilder().
Josef Eisl <josef.eisl@jku.at>
parents: 18148
diff changeset
209 public CompilationResultBuilder newCompilationResultBuilder(LIRGenerationResult lirGenRen, FrameMap frameMap, CompilationResult compilationResult, CompilationResultBuilderFactory factory) {
5251
467de393651a optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
Doug Simon <doug.simon@oracle.com>
parents: 5242
diff changeset
210 // Omit the frame if the method:
7530
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
211 // - has no spill slots or other slots allocated during register allocation
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
212 // - has no callee-saved registers
5e3d1a68664e applied mx eclipseformat to all Java files
Doug Simon <doug.simon@oracle.com>
parents: 7300
diff changeset
213 // - has no incoming arguments passed on the stack
10761
dd7a8807378b cannot omit frame for compiled methods that make a foreign call (GRAAL-362)
Doug Simon <doug.simon@oracle.com>
parents: 10732
diff changeset
214 // - has no deoptimization points
dd7a8807378b cannot omit frame for compiled methods that make a foreign call (GRAAL-362)
Doug Simon <doug.simon@oracle.com>
parents: 10732
diff changeset
215 // - makes no foreign calls (which require an aligned stack)
14809
73774616a6b3 Decoupled LIRGenerator and LIRGenerationResult.
Josef Eisl <josef.eisl@jku.at>
parents: 14807
diff changeset
216 AMD64HotSpotLIRGenerationResult gen = (AMD64HotSpotLIRGenerationResult) lirGenRen;
14796
f5b3292b4ded Restrict access to members of LIRGenerator.
Josef Eisl <josef.eisl@jku.at>
parents: 14142
diff changeset
217 LIR lir = gen.getLIR();
14807
c3242028cc44 Introduce specialized LIRGenerationResults for Targets if needed.
Josef Eisl <josef.eisl@jku.at>
parents: 14804
diff changeset
218 assert gen.getDeoptimizationRescueSlot() == null || frameMap.frameNeedsAllocating() : "method that can deoptimize must have a frame";
10761
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Doug Simon <doug.simon@oracle.com>
parents: 10732
diff changeset
219 boolean omitFrame = CanOmitFrame.getValue() && !frameMap.frameNeedsAllocating() && !lir.hasArgInCallerFrame() && !gen.hasForeignCall();
5251
467de393651a optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
Doug Simon <doug.simon@oracle.com>
parents: 5242
diff changeset
220
9613
0c17815817a4 removed LIRGenerator.method field
Doug Simon <doug.simon@oracle.com>
parents: 9612
diff changeset
221 Stub stub = gen.getStub();
14032
d1c1f103d42c renamed com.oracle.graal.asm.AbstractAssembler to com.oracle.graal.asm.Assembler
twisti
parents: 14031
diff changeset
222 Assembler masm = createAssembler(frameMap);
13223
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Doug Simon <doug.simon@oracle.com>
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diff changeset
223 HotSpotFrameContext frameContext = new HotSpotFrameContext(stub != null, omitFrame);
13229
325b4e4efb60 added CompilationResultBuilderFactory to support peep-hole instrumentation of methods as their code is emitted
Doug Simon <doug.simon@oracle.com>
parents: 13227
diff changeset
224 CompilationResultBuilder crb = factory.createBuilder(getCodeCache(), getForeignCalls(), frameMap, masm, frameContext, compilationResult);
15180
7a9531f50cd8 renamed com.oracle.graal.api.code.CompilationResult.frameSize to totalFrameSize
twisti
parents: 15176
diff changeset
225 crb.setTotalFrameSize(frameMap.totalFrameSize());
14807
c3242028cc44 Introduce specialized LIRGenerationResults for Targets if needed.
Josef Eisl <josef.eisl@jku.at>
parents: 14804
diff changeset
226 StackSlot deoptimizationRescueSlot = gen.getDeoptimizationRescueSlot();
9451
3ccda80d466b stack overflow check and deopt/exception handler entry points are omitted from compiled stubs
Doug Simon <doug.simon@oracle.com>
parents: 9415
diff changeset
227 if (deoptimizationRescueSlot != null && stub == null) {
13227
1a66453f73db renamed TargetMethodAssembler to CompilationResultBuilder
Doug Simon <doug.simon@oracle.com>
parents: 13223
diff changeset
228 crb.compilationResult.setCustomStackAreaOffset(frameMap.offsetForStackSlot(deoptimizationRescueSlot));
8282
59744882ddeb moved logic for reserving a special area/slot in a frame (e.g., for use during deoptimization) out of FrameMap and into platform specific backend class
Doug Simon <doug.simon@oracle.com>
parents: 8281
diff changeset
229 }
9200
9be78aeab2e1 temporaries are recorded for compiled stubs, allowing for better register allocation around calls to such stubs (GRAAL-210)
Doug Simon <doug.simon@oracle.com>
parents: 8370
diff changeset
230
9be78aeab2e1 temporaries are recorded for compiled stubs, allowing for better register allocation around calls to such stubs (GRAAL-210)
Doug Simon <doug.simon@oracle.com>
parents: 8370
diff changeset
231 if (stub != null) {
12610
62fb4919edc9 cleaned up mechanism for saving registers and updating the callee save maps in stubs
Doug Simon <doug.simon@oracle.com>
parents: 12580
diff changeset
232 Set<Register> definedRegisters = gatherDefinedRegisters(lir);
14807
c3242028cc44 Introduce specialized LIRGenerationResults for Targets if needed.
Josef Eisl <josef.eisl@jku.at>
parents: 14804
diff changeset
233 updateStub(stub, definedRegisters, gen.getCalleeSaveInfo(), frameMap);
9338
0266549ff6e0 added support from compiled stubs to be installed as RuntimeStubs and to be able to directly call C/C++ runtime functions (GRAAL-81)
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parents: 9200
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234 }
0266549ff6e0 added support from compiled stubs to be installed as RuntimeStubs and to be able to directly call C/C++ runtime functions (GRAAL-81)
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parents: 9200
diff changeset
235
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236 return crb;
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parents: 9200
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237 }
9200
9be78aeab2e1 temporaries are recorded for compiled stubs, allowing for better register allocation around calls to such stubs (GRAAL-210)
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parents: 8370
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238
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parents:
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239 @Override
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240 public void emitCode(CompilationResultBuilder crb, LIR lir, ResolvedJavaMethod installedCodeOwner) {
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241 AMD64MacroAssembler asm = (AMD64MacroAssembler) crb.asm;
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242 FrameMap frameMap = crb.frameMap;
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parents: 16895
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243 RegisterConfig regConfig = frameMap.getRegisterConfig();
12431
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244 HotSpotVMConfig config = getRuntime().getConfig();
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diff changeset
245 Label verifiedEntry = new Label();
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parents:
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246
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parents:
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247 // Emit the prefix
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248 emitCodePrefix(installedCodeOwner, crb, asm, regConfig, config, verifiedEntry);
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parents: 12431
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249
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diff changeset
250 // Emit code for the LIR
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parents: 14032
diff changeset
251 emitCodeBody(installedCodeOwner, crb, lir);
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parents: 12431
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252
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parents: 12431
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253 // Emit the suffix
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Doug Simon <doug.simon@oracle.com>
parents: 20872
diff changeset
254 emitCodeSuffix(installedCodeOwner, crb, asm, config, frameMap);
20003
422e60a2f4b9 Implement dynamic instruction counters on assembly level
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19830
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255
422e60a2f4b9 Implement dynamic instruction counters on assembly level
Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19830
diff changeset
256 // Profile assembler instructions
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Stefan Anzinger <stefan.anzinger@oracle.com>
parents: 19830
diff changeset
257 profileInstructions(lir, crb);
12502
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parents: 12431
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258 }
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parents: 12431
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259
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diff changeset
260 /**
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261 * Emits the code prior to the verified entry point.
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parents: 14888
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262 *
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263 * @param installedCodeOwner see {@link Backend#emitCode}
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diff changeset
264 */
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265 public void emitCodePrefix(ResolvedJavaMethod installedCodeOwner, CompilationResultBuilder crb, AMD64MacroAssembler asm, RegisterConfig regConfig, HotSpotVMConfig config, Label verifiedEntry) {
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diff changeset
266 HotSpotProviders providers = getProviders();
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parents: 15292
diff changeset
267 if (installedCodeOwner != null && !installedCodeOwner.isStatic()) {
21413
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parents: 20872
diff changeset
268 crb.recordMark(config.MARKID_UNVERIFIED_ENTRY);
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diff changeset
269 CallingConvention cc = regConfig.getCallingConvention(JavaCallee, null, new JavaType[]{providers.getMetaAccess().lookupJavaType(Object.class)}, getTarget(), false);
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parents: 7300
diff changeset
270 Register inlineCacheKlass = rax; // see definition of IC_Klass in
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parents: 7300
diff changeset
271 // c1_LIRAssembler_x86.cpp
6470
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parents: 6462
diff changeset
272 Register receiver = asRegister(cc.getArgument(0));
8167
7f57c30575c8 Make AMD64Address a low-level representation for use by the assembler only.
Roland Schatz <roland.schatz@oracle.com>
parents: 8166
diff changeset
273 AMD64Address src = new AMD64Address(receiver, config.hubOffset);
5233
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parents:
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274
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diff changeset
275 if (config.useCompressedClassPointers) {
10732
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Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10666
diff changeset
276 Register register = r10;
13520
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Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 13318
diff changeset
277 AMD64HotSpotMove.decodeKlassPointer(asm, register, providers.getRegisters().getHeapBaseRegister(), src, config.getKlassEncoding());
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parents: 13318
diff changeset
278 if (config.narrowKlassBase != 0) {
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parents: 13318
diff changeset
279 // The heap base register was destroyed above, so restore it
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parents: 13318
diff changeset
280 asm.movq(providers.getRegisters().getHeapBaseRegister(), config.narrowOopBase);
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parents: 13318
diff changeset
281 }
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parents: 10666
diff changeset
282 asm.cmpq(inlineCacheKlass, register);
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Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10666
diff changeset
283 } else {
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parents: 10666
diff changeset
284 asm.cmpq(inlineCacheKlass, src);
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parents: 10666
diff changeset
285 }
13227
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Doug Simon <doug.simon@oracle.com>
parents: 13223
diff changeset
286 AMD64Call.directConditionalJmp(crb, asm, getForeignCalls().lookupForeignCall(IC_MISS_HANDLER), ConditionFlag.NotEqual);
5233
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parents:
diff changeset
287 }
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Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
288
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parents:
diff changeset
289 asm.align(config.codeEntryAlignment);
21413
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Doug Simon <doug.simon@oracle.com>
parents: 20872
diff changeset
290 crb.recordMark(config.MARKID_OSR_ENTRY);
13245
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diff changeset
291 asm.bind(verifiedEntry);
21413
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Doug Simon <doug.simon@oracle.com>
parents: 20872
diff changeset
292 crb.recordMark(config.MARKID_VERIFIED_ENTRY);
12502
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parents: 12431
diff changeset
293 }
5233
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parents:
diff changeset
294
12502
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diff changeset
295 /**
13223
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parents: 12610
diff changeset
296 * Emits the code which starts at the verified entry point.
14921
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Josef Eisl <josef.eisl@jku.at>
parents: 14888
diff changeset
297 *
12502
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diff changeset
298 * @param installedCodeOwner see {@link Backend#emitCode}
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parents: 12431
diff changeset
299 */
14065
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 14032
diff changeset
300 public void emitCodeBody(ResolvedJavaMethod installedCodeOwner, CompilationResultBuilder crb, LIR lir) {
5dec26f3d4a4 Use LIR instead of LIRGenerator as parameter in emitCode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 14032
diff changeset
301 crb.emit(lir);
12502
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parents: 12431
diff changeset
302 }
5233
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parents:
diff changeset
303
12502
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parents: 12431
diff changeset
304 /**
28f56bf7c06a added support code for Truffle to inject special tail-call code into the prefix of OptimizedCallTarget.call(PackedFrame, Arguments)
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parents: 12431
diff changeset
305 * @param installedCodeOwner see {@link Backend#emitCode}
21413
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Doug Simon <doug.simon@oracle.com>
parents: 20872
diff changeset
306 * @param config
12502
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parents: 12431
diff changeset
307 */
21413
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Doug Simon <doug.simon@oracle.com>
parents: 20872
diff changeset
308 public void emitCodeSuffix(ResolvedJavaMethod installedCodeOwner, CompilationResultBuilder crb, AMD64MacroAssembler asm, HotSpotVMConfig config, FrameMap frameMap) {
12502
28f56bf7c06a added support code for Truffle to inject special tail-call code into the prefix of OptimizedCallTarget.call(PackedFrame, Arguments)
Doug Simon <doug.simon@oracle.com>
parents: 12431
diff changeset
309 HotSpotProviders providers = getProviders();
13227
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Doug Simon <doug.simon@oracle.com>
parents: 13223
diff changeset
310 HotSpotFrameContext frameContext = (HotSpotFrameContext) crb.frameContext;
13234
7e237378923d made the frameContext of a CompilationResultBuilder always non-null and added FrameContext.hasFrame() to determine if a frame is actually generated
Doug Simon <doug.simon@oracle.com>
parents: 13229
diff changeset
311 if (!frameContext.isStub) {
12429
5124eeec1a7b split HotSpotRuntime into separate provider implementations
Doug Simon <doug.simon@oracle.com>
parents: 12363
diff changeset
312 HotSpotForeignCallsProvider foreignCalls = providers.getForeignCalls();
21413
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Doug Simon <doug.simon@oracle.com>
parents: 20872
diff changeset
313 crb.recordMark(config.MARKID_EXCEPTION_HANDLER_ENTRY);
13227
1a66453f73db renamed TargetMethodAssembler to CompilationResultBuilder
Doug Simon <doug.simon@oracle.com>
parents: 13223
diff changeset
314 AMD64Call.directCall(crb, asm, foreignCalls.lookupForeignCall(EXCEPTION_HANDLER), null, false, null);
21413
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Doug Simon <doug.simon@oracle.com>
parents: 20872
diff changeset
315 crb.recordMark(config.MARKID_DEOPT_HANDLER_ENTRY);
15456
bb97b75d1d65 AMD64: implemented DeoptimizationStub.deoptimizationHandler
twisti
parents: 15338
diff changeset
316 AMD64Call.directCall(crb, asm, foreignCalls.lookupForeignCall(DEOPTIMIZATION_HANDLER), null, false, null);
5251
467de393651a optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
Doug Simon <doug.simon@oracle.com>
parents: 5242
diff changeset
317 } else {
467de393651a optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
Doug Simon <doug.simon@oracle.com>
parents: 5242
diff changeset
318 // No need to emit the stubs for entries back into the method since
467de393651a optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
Doug Simon <doug.simon@oracle.com>
parents: 5242
diff changeset
319 // it has no calls that can cause such "return" entries
13829
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Doug Simon <doug.simon@oracle.com>
parents: 13520
diff changeset
320
fd267819dbdb fixed or removed incorrect assertions
Doug Simon <doug.simon@oracle.com>
parents: 13520
diff changeset
321 if (frameContext.omitFrame) {
fd267819dbdb fixed or removed incorrect assertions
Doug Simon <doug.simon@oracle.com>
parents: 13520
diff changeset
322 // Cannot access slots in caller's frame if my frame is omitted
14065
5dec26f3d4a4 Use LIR instead of LIRGenerator as parameter in emitCode.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 14032
diff changeset
323 assert !frameMap.accessesCallerFrame();
13829
fd267819dbdb fixed or removed incorrect assertions
Doug Simon <doug.simon@oracle.com>
parents: 13520
diff changeset
324 }
5251
467de393651a optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
Doug Simon <doug.simon@oracle.com>
parents: 5242
diff changeset
325 }
5233
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Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
326 }
13837
ed3a1471e133 Add the Graal Native Function Interface
Matthias Grimmer <grimmer@ssw.jku.at>
parents: 13829
diff changeset
327
5233
efbb1e33e2f3 removed XIR prologue and epilogues - architecture and runtime specific subclass of Backend is now used instead
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
328 }