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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/lithium-codegen.h" | 5 #include "src/lithium-codegen.h" |
6 | 6 |
7 #include <sstream> | 7 #include <sstream> |
8 | 8 |
9 #include "src/v8.h" | 9 #include "src/v8.h" |
10 | 10 |
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146 // Copy the string before recording it in the assembler to avoid | 146 // Copy the string before recording it in the assembler to avoid |
147 // issues when the stack allocated buffer goes out of scope. | 147 // issues when the stack allocated buffer goes out of scope. |
148 size_t length = builder.position(); | 148 size_t length = builder.position(); |
149 Vector<char> copy = Vector<char>::New(static_cast<int>(length) + 1); | 149 Vector<char> copy = Vector<char>::New(static_cast<int>(length) + 1); |
150 MemCopy(copy.start(), builder.Finalize(), copy.length()); | 150 MemCopy(copy.start(), builder.Finalize(), copy.length()); |
151 masm()->RecordComment(copy.start()); | 151 masm()->RecordComment(copy.start()); |
152 } | 152 } |
153 | 153 |
154 | 154 |
155 void LCodeGenBase::DeoptComment(const Deoptimizer::Reason& reason) { | 155 void LCodeGenBase::DeoptComment(const Deoptimizer::Reason& reason) { |
156 std::ostringstream os; | 156 masm()->RecordDeoptReason(reason.deopt_reason, reason.raw_position); |
157 os << ";;; deoptimize at " << HSourcePosition(reason.raw_position) << " " | |
158 << reason.mnemonic; | |
159 if (reason.detail != NULL) os << ": " << reason.detail; | |
160 Comment("%s", os.str().c_str()); | |
161 } | 157 } |
162 | 158 |
163 | 159 |
164 int LCodeGenBase::GetNextEmittedBlock() const { | 160 int LCodeGenBase::GetNextEmittedBlock() const { |
165 for (int i = current_block_ + 1; i < graph()->blocks()->length(); ++i) { | 161 for (int i = current_block_ + 1; i < graph()->blocks()->length(); ++i) { |
166 if (!graph()->blocks()->at(i)->IsReachable()) continue; | 162 if (!graph()->blocks()->at(i)->IsReachable()) continue; |
167 if (!chunk_->GetLabel(i)->HasReplacement()) return i; | 163 if (!chunk_->GetLabel(i)->HasReplacement()) return i; |
168 } | 164 } |
169 return -1; | 165 return -1; |
170 } | 166 } |
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187 chunk_->AddDeprecationDependency(map); | 183 chunk_->AddDeprecationDependency(map); |
188 } | 184 } |
189 | 185 |
190 | 186 |
191 void LCodeGenBase::AddStabilityDependency(Handle<Map> map) { | 187 void LCodeGenBase::AddStabilityDependency(Handle<Map> map) { |
192 if (!map->is_stable()) return Retry(kMapBecameUnstable); | 188 if (!map->is_stable()) return Retry(kMapBecameUnstable); |
193 chunk_->AddStabilityDependency(map); | 189 chunk_->AddStabilityDependency(map); |
194 } | 190 } |
195 | 191 |
196 } } // namespace v8::internal | 192 } } // namespace v8::internal |
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