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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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/interpreter/bytecode-array-builder.h" | 5 #include "src/interpreter/bytecode-array-builder.h" |
6 | 6 |
7 namespace v8 { | 7 namespace v8 { |
8 namespace internal { | 8 namespace internal { |
9 namespace interpreter { | 9 namespace interpreter { |
10 | 10 |
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1054 } | 1054 } |
1055 | 1055 |
1056 | 1056 |
1057 Register TemporaryRegisterScope::NewRegister() { | 1057 Register TemporaryRegisterScope::NewRegister() { |
1058 int allocated = builder_->BorrowTemporaryRegister(); | 1058 int allocated = builder_->BorrowTemporaryRegister(); |
1059 allocated_.push_back(allocated); | 1059 allocated_.push_back(allocated); |
1060 return Register(allocated); | 1060 return Register(allocated); |
1061 } | 1061 } |
1062 | 1062 |
1063 | 1063 |
1064 bool TemporaryRegisterScope::AllocatedRegister(Register reg) const { | |
oth
2015/10/27 12:30:23
Suggest renaming to RegisterIsAllocated() to match
rmcilroy
2015/10/27 13:13:24
Renamed to RegisterIsAllocatedInThisScope() to be
| |
1065 for (auto i = allocated_.begin(); i != allocated_.end(); i++) { | |
1066 if (*i == reg.index()) return true; | |
1067 } | |
1068 return false; | |
1069 } | |
1070 | |
1071 | |
1064 void TemporaryRegisterScope::PrepareForConsecutiveAllocations(size_t count) { | 1072 void TemporaryRegisterScope::PrepareForConsecutiveAllocations(size_t count) { |
1065 if (static_cast<int>(count) > next_consecutive_count_) { | 1073 if (static_cast<int>(count) > next_consecutive_count_) { |
1066 next_consecutive_register_ = | 1074 next_consecutive_register_ = |
1067 builder_->PrepareForConsecutiveTemporaryRegisters(count); | 1075 builder_->PrepareForConsecutiveTemporaryRegisters(count); |
1068 next_consecutive_count_ = static_cast<int>(count); | 1076 next_consecutive_count_ = static_cast<int>(count); |
1069 } | 1077 } |
1070 } | 1078 } |
1071 | 1079 |
1072 | 1080 |
1073 Register TemporaryRegisterScope::NextConsecutiveRegister() { | 1081 Register TemporaryRegisterScope::NextConsecutiveRegister() { |
1074 DCHECK_GE(next_consecutive_register_, 0); | 1082 DCHECK_GE(next_consecutive_register_, 0); |
1075 DCHECK_GT(next_consecutive_count_, 0); | 1083 DCHECK_GT(next_consecutive_count_, 0); |
1076 builder_->BorrowConsecutiveTemporaryRegister(next_consecutive_register_); | 1084 builder_->BorrowConsecutiveTemporaryRegister(next_consecutive_register_); |
1077 allocated_.push_back(next_consecutive_register_); | 1085 allocated_.push_back(next_consecutive_register_); |
1078 next_consecutive_count_--; | 1086 next_consecutive_count_--; |
1079 return Register(next_consecutive_register_++); | 1087 return Register(next_consecutive_register_++); |
1080 } | 1088 } |
1081 | 1089 |
1082 } // namespace interpreter | 1090 } // namespace interpreter |
1083 } // namespace internal | 1091 } // namespace internal |
1084 } // namespace v8 | 1092 } // namespace v8 |
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