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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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217 return *this; | 217 return *this; |
218 } | 218 } |
219 | 219 |
220 | 220 |
221 BytecodeArrayBuilder& BytecodeArrayBuilder::Return() { | 221 BytecodeArrayBuilder& BytecodeArrayBuilder::Return() { |
222 Output(Bytecode::kReturn); | 222 Output(Bytecode::kReturn); |
223 return *this; | 223 return *this; |
224 } | 224 } |
225 | 225 |
226 | 226 |
| 227 BytecodeArrayBuilder& BytecodeArrayBuilder::Call(Register callable, |
| 228 Register receiver, |
| 229 size_t arg_count) { |
| 230 if (FitsInByteOperand(arg_count)) { |
| 231 Output(Bytecode::kCall, callable.ToOperand(), receiver.ToOperand(), |
| 232 static_cast<uint8_t>(arg_count)); |
| 233 } else { |
| 234 UNIMPLEMENTED(); |
| 235 } |
| 236 return *this; |
| 237 } |
| 238 |
| 239 |
227 size_t BytecodeArrayBuilder::GetConstantPoolEntry(Handle<Object> object) { | 240 size_t BytecodeArrayBuilder::GetConstantPoolEntry(Handle<Object> object) { |
228 // These constants shouldn't be added to the constant pool, the should use | 241 // These constants shouldn't be added to the constant pool, the should use |
229 // specialzed bytecodes instead. | 242 // specialzed bytecodes instead. |
230 DCHECK(!object.is_identical_to(isolate_->factory()->undefined_value())); | 243 DCHECK(!object.is_identical_to(isolate_->factory()->undefined_value())); |
231 DCHECK(!object.is_identical_to(isolate_->factory()->null_value())); | 244 DCHECK(!object.is_identical_to(isolate_->factory()->null_value())); |
232 DCHECK(!object.is_identical_to(isolate_->factory()->the_hole_value())); | 245 DCHECK(!object.is_identical_to(isolate_->factory()->the_hole_value())); |
233 DCHECK(!object.is_identical_to(isolate_->factory()->true_value())); | 246 DCHECK(!object.is_identical_to(isolate_->factory()->true_value())); |
234 DCHECK(!object.is_identical_to(isolate_->factory()->false_value())); | 247 DCHECK(!object.is_identical_to(isolate_->factory()->false_value())); |
235 | 248 |
236 size_t* entry = constants_map_.Find(object); | 249 size_t* entry = constants_map_.Find(object); |
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260 temporary_register_next_ = reg_index; | 273 temporary_register_next_ = reg_index; |
261 } | 274 } |
262 | 275 |
263 | 276 |
264 bool BytecodeArrayBuilder::OperandIsValid(Bytecode bytecode, int operand_index, | 277 bool BytecodeArrayBuilder::OperandIsValid(Bytecode bytecode, int operand_index, |
265 uint8_t operand_value) const { | 278 uint8_t operand_value) const { |
266 OperandType operand_type = Bytecodes::GetOperandType(bytecode, operand_index); | 279 OperandType operand_type = Bytecodes::GetOperandType(bytecode, operand_index); |
267 switch (operand_type) { | 280 switch (operand_type) { |
268 case OperandType::kNone: | 281 case OperandType::kNone: |
269 return false; | 282 return false; |
| 283 case OperandType::kCount: |
270 case OperandType::kImm8: | 284 case OperandType::kImm8: |
271 case OperandType::kIdx: | 285 case OperandType::kIdx: |
272 return true; | 286 return true; |
273 case OperandType::kReg: { | 287 case OperandType::kReg: { |
274 Register reg = Register::FromOperand(operand_value); | 288 Register reg = Register::FromOperand(operand_value); |
275 if (reg.is_parameter()) { | 289 if (reg.is_parameter()) { |
276 int parameter_index = reg.ToParameterIndex(parameter_count_); | 290 int parameter_index = reg.ToParameterIndex(parameter_count_); |
277 return parameter_index >= 0 && parameter_index < parameter_count_; | 291 return parameter_index >= 0 && parameter_index < parameter_count_; |
278 } else { | 292 } else { |
279 return (reg.index() >= 0 && reg.index() < temporary_register_next_); | 293 return (reg.index() >= 0 && reg.index() < temporary_register_next_); |
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368 | 382 |
369 Register TemporaryRegisterScope::NewRegister() { | 383 Register TemporaryRegisterScope::NewRegister() { |
370 count_++; | 384 count_++; |
371 last_register_index_ = builder_->BorrowTemporaryRegister(); | 385 last_register_index_ = builder_->BorrowTemporaryRegister(); |
372 return Register(last_register_index_); | 386 return Register(last_register_index_); |
373 } | 387 } |
374 | 388 |
375 } // namespace interpreter | 389 } // namespace interpreter |
376 } // namespace internal | 390 } // namespace internal |
377 } // namespace v8 | 391 } // namespace v8 |
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