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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/interpreter/bytecode-array-builder.h" | 7 #include "src/interpreter/bytecode-array-builder.h" |
8 #include "src/interpreter/bytecode-array-iterator.h" | 8 #include "src/interpreter/bytecode-array-iterator.h" |
9 #include "test/unittests/test-utils.h" | 9 #include "test/unittests/test-utils.h" |
10 | 10 |
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233 factory->NewStringFromStaticChars("function_b"), MaybeHandle<Code>(), | 233 factory->NewStringFromStaticChars("function_b"), MaybeHandle<Code>(), |
234 false); | 234 false); |
235 builder.CreateClosure(shared_info2, NOT_TENURED); | 235 builder.CreateClosure(shared_info2, NOT_TENURED); |
236 | 236 |
237 // Emit wide variant of literal creation operations. | 237 // Emit wide variant of literal creation operations. |
238 builder.CreateRegExpLiteral(factory->NewStringFromStaticChars("wide_literal"), | 238 builder.CreateRegExpLiteral(factory->NewStringFromStaticChars("wide_literal"), |
239 0, 0) | 239 0, 0) |
240 .CreateArrayLiteral(factory->NewFixedArray(2), 0, 0) | 240 .CreateArrayLiteral(factory->NewFixedArray(2), 0, 0) |
241 .CreateObjectLiteral(factory->NewFixedArray(2), 0, 0); | 241 .CreateObjectLiteral(factory->NewFixedArray(2), 0, 0); |
242 | 242 |
| 243 // Longer jumps requiring ConstantWide operand |
| 244 builder.Jump(&start).JumpIfNull(&start).JumpIfUndefined(&start); |
| 245 // Perform an operation that returns boolean value to |
| 246 // generate JumpIfTrue/False |
| 247 builder.CompareOperation(Token::Value::EQ, reg, Strength::WEAK) |
| 248 .JumpIfTrue(&start) |
| 249 .CompareOperation(Token::Value::EQ, reg, Strength::WEAK) |
| 250 .JumpIfFalse(&start); |
| 251 // Perform an operation that returns a non-boolean operation to |
| 252 // generate JumpIfToBooleanTrue/False. |
| 253 builder.BinaryOperation(Token::Value::ADD, reg, Strength::WEAK) |
| 254 .JumpIfTrue(&start) |
| 255 .BinaryOperation(Token::Value::ADD, reg, Strength::WEAK) |
| 256 .JumpIfFalse(&start); |
| 257 |
243 builder.Return(); | 258 builder.Return(); |
244 | 259 |
245 // Generate BytecodeArray. | 260 // Generate BytecodeArray. |
246 Handle<BytecodeArray> the_array = builder.ToBytecodeArray(); | 261 Handle<BytecodeArray> the_array = builder.ToBytecodeArray(); |
247 CHECK_EQ(the_array->frame_size(), | 262 CHECK_EQ(the_array->frame_size(), |
248 builder.fixed_register_count() * kPointerSize); | 263 builder.fixed_register_count() * kPointerSize); |
249 | 264 |
250 // Build scorecard of bytecodes encountered in the BytecodeArray. | 265 // Build scorecard of bytecodes encountered in the BytecodeArray. |
251 std::vector<int> scorecard(Bytecodes::ToByte(Bytecode::kLast) + 1); | 266 std::vector<int> scorecard(Bytecodes::ToByte(Bytecode::kLast) + 1); |
252 Bytecode final_bytecode = Bytecode::kLdaZero; | 267 Bytecode final_bytecode = Bytecode::kLdaZero; |
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666 iterator.Advance(); | 681 iterator.Advance(); |
667 CHECK_EQ(iterator.current_bytecode(), Bytecode::kJump); | 682 CHECK_EQ(iterator.current_bytecode(), Bytecode::kJump); |
668 CHECK_EQ(iterator.GetImmediateOperand(0), -2); | 683 CHECK_EQ(iterator.GetImmediateOperand(0), -2); |
669 iterator.Advance(); | 684 iterator.Advance(); |
670 } | 685 } |
671 CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn); | 686 CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn); |
672 iterator.Advance(); | 687 iterator.Advance(); |
673 CHECK(iterator.done()); | 688 CHECK(iterator.done()); |
674 } | 689 } |
675 | 690 |
| 691 |
676 } // namespace interpreter | 692 } // namespace interpreter |
677 } // namespace internal | 693 } // namespace internal |
678 } // namespace v8 | 694 } // namespace v8 |
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