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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 #ifndef V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_ | 5 #ifndef V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_ |
6 #define V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_ | 6 #define V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/base/smart-pointers.h" | 9 #include "src/base/smart-pointers.h" |
10 #include "src/builtins.h" | 10 #include "src/builtins.h" |
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211 compiler::Node* BytecodeSignedOperand(int operand_index, | 211 compiler::Node* BytecodeSignedOperand(int operand_index, |
212 OperandSize operand_size); | 212 OperandSize operand_size); |
213 compiler::Node* BytecodeUnsignedOperand(int operand_index, | 213 compiler::Node* BytecodeUnsignedOperand(int operand_index, |
214 OperandSize operand_size); | 214 OperandSize operand_size); |
215 | 215 |
216 // Jump relative to the current bytecode by |jump_offset| if the | 216 // Jump relative to the current bytecode by |jump_offset| if the |
217 // |condition| is true. Helper function for JumpIfWordEqual and | 217 // |condition| is true. Helper function for JumpIfWordEqual and |
218 // JumpIfWordNotEqual. | 218 // JumpIfWordNotEqual. |
219 void JumpConditional(compiler::Node* condition, compiler::Node* jump_offset); | 219 void JumpConditional(compiler::Node* condition, compiler::Node* jump_offset); |
220 | 220 |
221 // Returns BytecodeOffset() advanced by delta bytecodes. Note: this does not | 221 // Updates and returns BytecodeOffset() advanced by the current bytecode's |
222 // update BytecodeOffset() itself. | 222 // size. Traces the exit of the current bytecode. |
223 compiler::Node* Advance(); | |
224 | |
225 // Updates and returns BytecodeOffset() advanced by delta bytecodes. | |
226 // Traces the exit of the current bytecode. | |
223 compiler::Node* Advance(int delta); | 227 compiler::Node* Advance(int delta); |
224 compiler::Node* Advance(compiler::Node* delta); | 228 compiler::Node* Advance(compiler::Node* delta); |
225 | 229 |
230 // Load the bytecode at |bytecode_offset|. | |
231 compiler::Node* LoadBytecode(compiler::Node* bytecode_offset); | |
232 | |
233 // Look ahead for Star and inline it, will bind the next bytecode to dispatch | |
234 // to, to |target_bytecode| and its offset to |target_offset|. | |
235 void StarDispatchLookahead(Variable& target_bytecode); | |
236 | |
237 // Build code for Star at |target_offset| and bind |target_offset| to the | |
238 // next offset after Star | |
239 void InlineStar(); | |
240 | |
226 // Starts next instruction dispatch at |new_bytecode_offset|. | 241 // Starts next instruction dispatch at |new_bytecode_offset|. |
227 compiler::Node* DispatchTo(compiler::Node* new_bytecode_offset); | 242 compiler::Node* DispatchTo(compiler::Node* new_bytecode_offset); |
228 | 243 |
244 // Dispatch to |target_bytecode| at |new_bytecode_offset|. | |
245 // |target_bytecode| should be equivalent to loading from the offset. | |
246 compiler::Node* DispatchToBytecode(compiler::Node* target_bytecode, | |
247 compiler::Node* new_bytecode_offset); | |
248 | |
229 // Dispatch to the bytecode handler with code offset |handler|. | 249 // Dispatch to the bytecode handler with code offset |handler|. |
230 compiler::Node* DispatchToBytecodeHandler(compiler::Node* handler, | 250 compiler::Node* DispatchToBytecodeHandler(compiler::Node* handler, |
231 compiler::Node* bytecode_offset); | 251 compiler::Node* bytecode_offset); |
232 | 252 |
233 // Dispatch to the bytecode handler with code entry point |handler_entry|. | 253 // Dispatch to the bytecode handler with code entry point |handler_entry|. |
234 compiler::Node* DispatchToBytecodeHandlerEntry( | 254 compiler::Node* DispatchToBytecodeHandlerEntry( |
235 compiler::Node* handler_entry, compiler::Node* bytecode_offset); | 255 compiler::Node* handler_entry, compiler::Node* bytecode_offset); |
236 | 256 |
237 OperandScale operand_scale() const { return operand_scale_; } | 257 OperandScale operand_scale() const { return operand_scale_; } |
238 | 258 |
239 Bytecode bytecode_; | 259 Bytecode bytecode_; |
260 CodeStubAssembler::Variable bytecode_offset_; | |
rmcilroy
2016/07/19 20:18:27
nit - move one down with other variables.
klaasb
2016/07/20 09:26:24
Done.
| |
240 OperandScale operand_scale_; | 261 OperandScale operand_scale_; |
241 CodeStubAssembler::Variable interpreted_frame_pointer_; | 262 CodeStubAssembler::Variable interpreted_frame_pointer_; |
242 CodeStubAssembler::Variable accumulator_; | 263 CodeStubAssembler::Variable accumulator_; |
243 AccumulatorUse accumulator_use_; | 264 AccumulatorUse accumulator_use_; |
244 bool made_call_; | 265 bool made_call_; |
245 | 266 |
246 bool disable_stack_check_across_call_; | 267 bool disable_stack_check_across_call_; |
247 compiler::Node* stack_pointer_before_call_; | 268 compiler::Node* stack_pointer_before_call_; |
248 | 269 |
249 DISALLOW_COPY_AND_ASSIGN(InterpreterAssembler); | 270 DISALLOW_COPY_AND_ASSIGN(InterpreterAssembler); |
250 }; | 271 }; |
251 | 272 |
252 } // namespace interpreter | 273 } // namespace interpreter |
253 } // namespace internal | 274 } // namespace internal |
254 } // namespace v8 | 275 } // namespace v8 |
255 | 276 |
256 #endif // V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_ | 277 #endif // V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_ |
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