Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame^] | 1 | // Copyright 2010 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #ifndef V8_IA32_LITHIUM_IA32_H_ |
| 29 | #define V8_IA32_LITHIUM_IA32_H_ |
| 30 | |
| 31 | #include "hydrogen.h" |
| 32 | #include "lithium-allocator.h" |
| 33 | #include "safepoint-table.h" |
| 34 | |
| 35 | namespace v8 { |
| 36 | namespace internal { |
| 37 | |
| 38 | // Forward declarations. |
| 39 | class LCodeGen; |
| 40 | class LEnvironment; |
| 41 | class Translation; |
| 42 | class LGapNode; |
| 43 | |
| 44 | |
| 45 | // Type hierarchy: |
| 46 | // |
| 47 | // LInstruction |
| 48 | // LAccessArgumentsAt |
| 49 | // LArgumentsElements |
| 50 | // LArgumentsLength |
| 51 | // LBinaryOperation |
| 52 | // LAddI |
| 53 | // LApplyArguments |
| 54 | // LArithmeticD |
| 55 | // LArithmeticT |
| 56 | // LBitI |
| 57 | // LBoundsCheck |
| 58 | // LCmpID |
| 59 | // LCmpIDAndBranch |
| 60 | // LCmpJSObjectEq |
| 61 | // LCmpJSObjectEqAndBranch |
| 62 | // LCmpT |
| 63 | // LDivI |
| 64 | // LInstanceOf |
| 65 | // LInstanceOfAndBranch |
| 66 | // LLoadKeyedFastElement |
| 67 | // LLoadKeyedGeneric |
| 68 | // LModI |
| 69 | // LMulI |
| 70 | // LPower |
| 71 | // LShiftI |
| 72 | // LSubI |
| 73 | // LCallConstantFunction |
| 74 | // LCallFunction |
| 75 | // LCallGlobal |
| 76 | // LCallKeyed |
| 77 | // LCallKnownGlobal |
| 78 | // LCallNamed |
| 79 | // LCallRuntime |
| 80 | // LCallStub |
| 81 | // LConstant |
| 82 | // LConstantD |
| 83 | // LConstantI |
| 84 | // LConstantT |
| 85 | // LDeoptimize |
| 86 | // LFunctionLiteral |
| 87 | // LGlobalObject |
| 88 | // LGlobalReceiver |
| 89 | // LLabel |
| 90 | // LLayzBailout |
| 91 | // LLoadGlobal |
| 92 | // LMaterializedLiteral |
| 93 | // LArrayLiteral |
| 94 | // LObjectLiteral |
| 95 | // LRegExpLiteral |
| 96 | // LOsrEntry |
| 97 | // LParameter |
| 98 | // LRegExpConstructResult |
| 99 | // LStackCheck |
| 100 | // LStoreKeyed |
| 101 | // LStoreKeyedFastElement |
| 102 | // LStoreKeyedGeneric |
| 103 | // LStoreNamed |
| 104 | // LStoreNamedField |
| 105 | // LStoreNamedGeneric |
| 106 | // LUnaryOperation |
| 107 | // LArrayLength |
| 108 | // LBitNotI |
| 109 | // LBranch |
| 110 | // LCallNew |
| 111 | // LCheckFunction |
| 112 | // LCheckInstanceType |
| 113 | // LCheckMap |
| 114 | // LCheckPrototypeMaps |
| 115 | // LCheckSmi |
| 116 | // LClassOfTest |
| 117 | // LClassOfTestAndBranch |
| 118 | // LDeleteProperty |
| 119 | // LDoubleToI |
| 120 | // LHasCachedArrayIndex |
| 121 | // LHasCachedArrayIndexAndBranch |
| 122 | // LHasInstanceType |
| 123 | // LHasInstanceTypeAndBranch |
| 124 | // LInteger32ToDouble |
| 125 | // LIsNull |
| 126 | // LIsNullAndBranch |
| 127 | // LIsObject |
| 128 | // LIsObjectAndBranch |
| 129 | // LIsSmi |
| 130 | // LIsSmiAndBranch |
| 131 | // LLoadNamedField |
| 132 | // LLoadNamedGeneric |
| 133 | // LNumberTagD |
| 134 | // LNumberTagI |
| 135 | // LPushArgument |
| 136 | // LReturn |
| 137 | // LSmiTag |
| 138 | // LStoreGlobal |
| 139 | // LTaggedToI |
| 140 | // LThrow |
| 141 | // LTypeof |
| 142 | // LTypeofIs |
| 143 | // LTypeofIsAndBranch |
| 144 | // LUnaryMathOperation |
| 145 | // LValueOf |
| 146 | // LUnknownOSRValue |
| 147 | |
| 148 | #define LITHIUM_ALL_INSTRUCTION_LIST(V) \ |
| 149 | V(BinaryOperation) \ |
| 150 | V(Constant) \ |
| 151 | V(Call) \ |
| 152 | V(MaterializedLiteral) \ |
| 153 | V(StoreKeyed) \ |
| 154 | V(StoreNamed) \ |
| 155 | V(UnaryOperation) \ |
| 156 | LITHIUM_CONCRETE_INSTRUCTION_LIST(V) |
| 157 | |
| 158 | |
| 159 | #define LITHIUM_CONCRETE_INSTRUCTION_LIST(V) \ |
| 160 | V(AccessArgumentsAt) \ |
| 161 | V(AddI) \ |
| 162 | V(ApplyArguments) \ |
| 163 | V(ArgumentsElements) \ |
| 164 | V(ArgumentsLength) \ |
| 165 | V(ArithmeticD) \ |
| 166 | V(ArithmeticT) \ |
| 167 | V(ArrayLength) \ |
| 168 | V(ArrayLiteral) \ |
| 169 | V(BitI) \ |
| 170 | V(BitNotI) \ |
| 171 | V(BoundsCheck) \ |
| 172 | V(Branch) \ |
| 173 | V(CallConstantFunction) \ |
| 174 | V(CallFunction) \ |
| 175 | V(CallGlobal) \ |
| 176 | V(CallKeyed) \ |
| 177 | V(CallKnownGlobal) \ |
| 178 | V(CallNamed) \ |
| 179 | V(CallNew) \ |
| 180 | V(CallRuntime) \ |
| 181 | V(CallStub) \ |
| 182 | V(CheckFunction) \ |
| 183 | V(CheckInstanceType) \ |
| 184 | V(CheckMap) \ |
| 185 | V(CheckPrototypeMaps) \ |
| 186 | V(CheckSmi) \ |
| 187 | V(CmpID) \ |
| 188 | V(CmpIDAndBranch) \ |
| 189 | V(CmpJSObjectEq) \ |
| 190 | V(CmpJSObjectEqAndBranch) \ |
| 191 | V(CmpMapAndBranch) \ |
| 192 | V(CmpT) \ |
| 193 | V(CmpTAndBranch) \ |
| 194 | V(ConstantD) \ |
| 195 | V(ConstantI) \ |
| 196 | V(ConstantT) \ |
| 197 | V(DeleteProperty) \ |
| 198 | V(Deoptimize) \ |
| 199 | V(DivI) \ |
| 200 | V(DoubleToI) \ |
| 201 | V(FunctionLiteral) \ |
| 202 | V(Gap) \ |
| 203 | V(GlobalObject) \ |
| 204 | V(GlobalReceiver) \ |
| 205 | V(Goto) \ |
| 206 | V(InstanceOf) \ |
| 207 | V(InstanceOfAndBranch) \ |
| 208 | V(Integer32ToDouble) \ |
| 209 | V(IsNull) \ |
| 210 | V(IsNullAndBranch) \ |
| 211 | V(IsObject) \ |
| 212 | V(IsObjectAndBranch) \ |
| 213 | V(IsSmi) \ |
| 214 | V(IsSmiAndBranch) \ |
| 215 | V(HasInstanceType) \ |
| 216 | V(HasInstanceTypeAndBranch) \ |
| 217 | V(HasCachedArrayIndex) \ |
| 218 | V(HasCachedArrayIndexAndBranch) \ |
| 219 | V(ClassOfTest) \ |
| 220 | V(ClassOfTestAndBranch) \ |
| 221 | V(Label) \ |
| 222 | V(LazyBailout) \ |
| 223 | V(LoadElements) \ |
| 224 | V(LoadGlobal) \ |
| 225 | V(LoadKeyedFastElement) \ |
| 226 | V(LoadKeyedGeneric) \ |
| 227 | V(LoadNamedField) \ |
| 228 | V(LoadNamedGeneric) \ |
| 229 | V(ModI) \ |
| 230 | V(MulI) \ |
| 231 | V(NumberTagD) \ |
| 232 | V(NumberTagI) \ |
| 233 | V(NumberUntagD) \ |
| 234 | V(ObjectLiteral) \ |
| 235 | V(OsrEntry) \ |
| 236 | V(Parameter) \ |
| 237 | V(Power) \ |
| 238 | V(PushArgument) \ |
| 239 | V(RegExpLiteral) \ |
| 240 | V(Return) \ |
| 241 | V(ShiftI) \ |
| 242 | V(SmiTag) \ |
| 243 | V(SmiUntag) \ |
| 244 | V(StackCheck) \ |
| 245 | V(StoreGlobal) \ |
| 246 | V(StoreKeyedFastElement) \ |
| 247 | V(StoreKeyedGeneric) \ |
| 248 | V(StoreNamedField) \ |
| 249 | V(StoreNamedGeneric) \ |
| 250 | V(SubI) \ |
| 251 | V(TaggedToI) \ |
| 252 | V(Throw) \ |
| 253 | V(Typeof) \ |
| 254 | V(TypeofIs) \ |
| 255 | V(TypeofIsAndBranch) \ |
| 256 | V(UnaryMathOperation) \ |
| 257 | V(UnknownOSRValue) \ |
| 258 | V(ValueOf) |
| 259 | |
| 260 | |
| 261 | #define DECLARE_INSTRUCTION(type) \ |
| 262 | virtual bool Is##type() const { return true; } \ |
| 263 | static L##type* cast(LInstruction* instr) { \ |
| 264 | ASSERT(instr->Is##type()); \ |
| 265 | return reinterpret_cast<L##type*>(instr); \ |
| 266 | } |
| 267 | |
| 268 | |
| 269 | #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic) \ |
| 270 | virtual void CompileToNative(LCodeGen* generator); \ |
| 271 | virtual const char* Mnemonic() const { return mnemonic; } \ |
| 272 | DECLARE_INSTRUCTION(type) |
| 273 | |
| 274 | |
| 275 | #define DECLARE_HYDROGEN_ACCESSOR(type) \ |
| 276 | H##type* hydrogen() const { \ |
| 277 | return H##type::cast(hydrogen_value()); \ |
| 278 | } |
| 279 | |
| 280 | |
| 281 | class LInstruction: public ZoneObject { |
| 282 | public: |
| 283 | LInstruction() |
| 284 | : hydrogen_value_(NULL) { } |
| 285 | virtual ~LInstruction() { } |
| 286 | |
| 287 | virtual void CompileToNative(LCodeGen* generator) = 0; |
| 288 | virtual const char* Mnemonic() const = 0; |
| 289 | virtual void PrintTo(StringStream* stream) const; |
| 290 | virtual void PrintDataTo(StringStream* stream) const { } |
| 291 | |
| 292 | // Declare virtual type testers. |
| 293 | #define DECLARE_DO(type) virtual bool Is##type() const { return false; } |
| 294 | LITHIUM_ALL_INSTRUCTION_LIST(DECLARE_DO) |
| 295 | #undef DECLARE_DO |
| 296 | virtual bool IsControl() const { return false; } |
| 297 | |
| 298 | void set_environment(LEnvironment* env) { environment_.set(env); } |
| 299 | LEnvironment* environment() const { return environment_.get(); } |
| 300 | bool HasEnvironment() const { return environment_.is_set(); } |
| 301 | |
| 302 | void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } |
| 303 | LPointerMap* pointer_map() const { return pointer_map_.get(); } |
| 304 | bool HasPointerMap() const { return pointer_map_.is_set(); } |
| 305 | |
| 306 | void set_result(LOperand* operand) { result_.set(operand); } |
| 307 | LOperand* result() const { return result_.get(); } |
| 308 | bool HasResult() const { return result_.is_set(); } |
| 309 | |
| 310 | void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; } |
| 311 | HValue* hydrogen_value() const { return hydrogen_value_; } |
| 312 | |
| 313 | void set_deoptimization_environment(LEnvironment* env) { |
| 314 | deoptimization_environment_.set(env); |
| 315 | } |
| 316 | LEnvironment* deoptimization_environment() const { |
| 317 | return deoptimization_environment_.get(); |
| 318 | } |
| 319 | bool HasDeoptimizationEnvironment() const { |
| 320 | return deoptimization_environment_.is_set(); |
| 321 | } |
| 322 | |
| 323 | private: |
| 324 | SetOncePointer<LEnvironment> environment_; |
| 325 | SetOncePointer<LPointerMap> pointer_map_; |
| 326 | SetOncePointer<LOperand> result_; |
| 327 | HValue* hydrogen_value_; |
| 328 | SetOncePointer<LEnvironment> deoptimization_environment_; |
| 329 | }; |
| 330 | |
| 331 | |
| 332 | class LGapResolver BASE_EMBEDDED { |
| 333 | public: |
| 334 | LGapResolver(const ZoneList<LMoveOperands>* moves, LOperand* marker_operand); |
| 335 | const ZoneList<LMoveOperands>* ResolveInReverseOrder(); |
| 336 | |
| 337 | private: |
| 338 | LGapNode* LookupNode(LOperand* operand); |
| 339 | bool CanReach(LGapNode* a, LGapNode* b, int visited_id); |
| 340 | bool CanReach(LGapNode* a, LGapNode* b); |
| 341 | void RegisterMove(LMoveOperands move); |
| 342 | void AddResultMove(LOperand* from, LOperand* to); |
| 343 | void AddResultMove(LGapNode* from, LGapNode* to); |
| 344 | void ResolveCycle(LGapNode* start); |
| 345 | |
| 346 | ZoneList<LGapNode*> nodes_; |
| 347 | ZoneList<LGapNode*> identified_cycles_; |
| 348 | ZoneList<LMoveOperands> result_; |
| 349 | LOperand* marker_operand_; |
| 350 | int next_visited_id_; |
| 351 | int bailout_after_ast_id_; |
| 352 | }; |
| 353 | |
| 354 | |
| 355 | class LParallelMove : public ZoneObject { |
| 356 | public: |
| 357 | LParallelMove() : move_operands_(4) { } |
| 358 | |
| 359 | void AddMove(LOperand* from, LOperand* to) { |
| 360 | move_operands_.Add(LMoveOperands(from, to)); |
| 361 | } |
| 362 | |
| 363 | bool IsRedundant() const; |
| 364 | |
| 365 | const ZoneList<LMoveOperands>* move_operands() const { |
| 366 | return &move_operands_; |
| 367 | } |
| 368 | |
| 369 | void PrintDataTo(StringStream* stream) const; |
| 370 | |
| 371 | private: |
| 372 | ZoneList<LMoveOperands> move_operands_; |
| 373 | }; |
| 374 | |
| 375 | |
| 376 | class LGap: public LInstruction { |
| 377 | public: |
| 378 | explicit LGap(HBasicBlock* block) |
| 379 | : block_(block) { |
| 380 | parallel_moves_[BEFORE] = NULL; |
| 381 | parallel_moves_[START] = NULL; |
| 382 | parallel_moves_[END] = NULL; |
| 383 | parallel_moves_[AFTER] = NULL; |
| 384 | } |
| 385 | |
| 386 | DECLARE_CONCRETE_INSTRUCTION(Gap, "gap") |
| 387 | virtual void PrintDataTo(StringStream* stream) const; |
| 388 | |
| 389 | bool IsRedundant() const; |
| 390 | |
| 391 | HBasicBlock* block() const { return block_; } |
| 392 | |
| 393 | enum InnerPosition { |
| 394 | BEFORE, |
| 395 | START, |
| 396 | END, |
| 397 | AFTER, |
| 398 | FIRST_INNER_POSITION = BEFORE, |
| 399 | LAST_INNER_POSITION = AFTER |
| 400 | }; |
| 401 | |
| 402 | LParallelMove* GetOrCreateParallelMove(InnerPosition pos) { |
| 403 | if (parallel_moves_[pos] == NULL) parallel_moves_[pos] = new LParallelMove; |
| 404 | return parallel_moves_[pos]; |
| 405 | } |
| 406 | |
| 407 | LParallelMove* GetParallelMove(InnerPosition pos) { |
| 408 | return parallel_moves_[pos]; |
| 409 | } |
| 410 | |
| 411 | private: |
| 412 | LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1]; |
| 413 | HBasicBlock* block_; |
| 414 | }; |
| 415 | |
| 416 | |
| 417 | class LGoto: public LInstruction { |
| 418 | public: |
| 419 | LGoto(int block_id, bool include_stack_check = false) |
| 420 | : block_id_(block_id), include_stack_check_(include_stack_check) { } |
| 421 | |
| 422 | DECLARE_CONCRETE_INSTRUCTION(Goto, "goto") |
| 423 | virtual void PrintDataTo(StringStream* stream) const; |
| 424 | virtual bool IsControl() const { return true; } |
| 425 | |
| 426 | int block_id() const { return block_id_; } |
| 427 | bool include_stack_check() const { return include_stack_check_; } |
| 428 | |
| 429 | private: |
| 430 | int block_id_; |
| 431 | bool include_stack_check_; |
| 432 | }; |
| 433 | |
| 434 | |
| 435 | class LLazyBailout: public LInstruction { |
| 436 | public: |
| 437 | LLazyBailout() : gap_instructions_size_(0) { } |
| 438 | |
| 439 | DECLARE_CONCRETE_INSTRUCTION(LazyBailout, "lazy-bailout") |
| 440 | |
| 441 | void set_gap_instructions_size(int gap_instructions_size) { |
| 442 | gap_instructions_size_ = gap_instructions_size; |
| 443 | } |
| 444 | int gap_instructions_size() { return gap_instructions_size_; } |
| 445 | |
| 446 | private: |
| 447 | int gap_instructions_size_; |
| 448 | }; |
| 449 | |
| 450 | |
| 451 | class LDeoptimize: public LInstruction { |
| 452 | public: |
| 453 | DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize") |
| 454 | }; |
| 455 | |
| 456 | |
| 457 | class LLabel: public LGap { |
| 458 | public: |
| 459 | explicit LLabel(HBasicBlock* block) |
| 460 | : LGap(block), replacement_(NULL) { } |
| 461 | |
| 462 | DECLARE_CONCRETE_INSTRUCTION(Label, "label") |
| 463 | |
| 464 | virtual void PrintDataTo(StringStream* stream) const; |
| 465 | |
| 466 | int block_id() const { return block()->block_id(); } |
| 467 | bool is_loop_header() const { return block()->IsLoopHeader(); } |
| 468 | Label* label() { return &label_; } |
| 469 | LLabel* replacement() const { return replacement_; } |
| 470 | void set_replacement(LLabel* label) { replacement_ = label; } |
| 471 | bool HasReplacement() const { return replacement_ != NULL; } |
| 472 | |
| 473 | private: |
| 474 | Label label_; |
| 475 | LLabel* replacement_; |
| 476 | }; |
| 477 | |
| 478 | |
| 479 | class LParameter: public LInstruction { |
| 480 | public: |
| 481 | DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter") |
| 482 | }; |
| 483 | |
| 484 | |
| 485 | class LCallStub: public LInstruction { |
| 486 | public: |
| 487 | DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub") |
| 488 | DECLARE_HYDROGEN_ACCESSOR(CallStub) |
| 489 | |
| 490 | TranscendentalCache::Type transcendental_type() { |
| 491 | return hydrogen()->transcendental_type(); |
| 492 | } |
| 493 | }; |
| 494 | |
| 495 | |
| 496 | class LUnknownOSRValue: public LInstruction { |
| 497 | public: |
| 498 | DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value") |
| 499 | }; |
| 500 | |
| 501 | |
| 502 | class LUnaryOperation: public LInstruction { |
| 503 | public: |
| 504 | explicit LUnaryOperation(LOperand* input) : input_(input) { } |
| 505 | |
| 506 | DECLARE_INSTRUCTION(UnaryOperation) |
| 507 | |
| 508 | LOperand* input() const { return input_; } |
| 509 | |
| 510 | virtual void PrintDataTo(StringStream* stream) const; |
| 511 | |
| 512 | private: |
| 513 | LOperand* input_; |
| 514 | }; |
| 515 | |
| 516 | |
| 517 | class LBinaryOperation: public LInstruction { |
| 518 | public: |
| 519 | LBinaryOperation(LOperand* left, LOperand* right) |
| 520 | : left_(left), right_(right) { } |
| 521 | |
| 522 | DECLARE_INSTRUCTION(BinaryOperation) |
| 523 | |
| 524 | LOperand* left() const { return left_; } |
| 525 | LOperand* right() const { return right_; } |
| 526 | virtual void PrintDataTo(StringStream* stream) const; |
| 527 | |
| 528 | private: |
| 529 | LOperand* left_; |
| 530 | LOperand* right_; |
| 531 | }; |
| 532 | |
| 533 | |
| 534 | class LApplyArguments: public LBinaryOperation { |
| 535 | public: |
| 536 | LApplyArguments(LOperand* function, |
| 537 | LOperand* receiver, |
| 538 | LOperand* length, |
| 539 | LOperand* elements) |
| 540 | : LBinaryOperation(function, receiver), |
| 541 | length_(length), |
| 542 | elements_(elements) { } |
| 543 | |
| 544 | DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments") |
| 545 | |
| 546 | LOperand* function() const { return left(); } |
| 547 | LOperand* receiver() const { return right(); } |
| 548 | LOperand* length() const { return length_; } |
| 549 | LOperand* elements() const { return elements_; } |
| 550 | |
| 551 | private: |
| 552 | LOperand* length_; |
| 553 | LOperand* elements_; |
| 554 | }; |
| 555 | |
| 556 | |
| 557 | class LAccessArgumentsAt: public LInstruction { |
| 558 | public: |
| 559 | LAccessArgumentsAt(LOperand* arguments, LOperand* length, LOperand* index) |
| 560 | : arguments_(arguments), length_(length), index_(index) { } |
| 561 | |
| 562 | DECLARE_CONCRETE_INSTRUCTION(AccessArgumentsAt, "access-arguments-at") |
| 563 | |
| 564 | LOperand* arguments() const { return arguments_; } |
| 565 | LOperand* length() const { return length_; } |
| 566 | LOperand* index() const { return index_; } |
| 567 | |
| 568 | virtual void PrintDataTo(StringStream* stream) const; |
| 569 | |
| 570 | private: |
| 571 | LOperand* arguments_; |
| 572 | LOperand* length_; |
| 573 | LOperand* index_; |
| 574 | }; |
| 575 | |
| 576 | |
| 577 | class LArgumentsLength: public LUnaryOperation { |
| 578 | public: |
| 579 | explicit LArgumentsLength(LOperand* elements) : LUnaryOperation(elements) {} |
| 580 | |
| 581 | DECLARE_CONCRETE_INSTRUCTION(ArgumentsLength, "arguments-length") |
| 582 | }; |
| 583 | |
| 584 | |
| 585 | class LArgumentsElements: public LInstruction { |
| 586 | public: |
| 587 | LArgumentsElements() { } |
| 588 | |
| 589 | DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements, "arguments-elements") |
| 590 | }; |
| 591 | |
| 592 | |
| 593 | class LModI: public LBinaryOperation { |
| 594 | public: |
| 595 | LModI(LOperand* left, LOperand* right) : LBinaryOperation(left, right) { } |
| 596 | |
| 597 | DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i") |
| 598 | DECLARE_HYDROGEN_ACCESSOR(Mod) |
| 599 | }; |
| 600 | |
| 601 | |
| 602 | class LDivI: public LBinaryOperation { |
| 603 | public: |
| 604 | LDivI(LOperand* left, LOperand* right) |
| 605 | : LBinaryOperation(left, right) { } |
| 606 | |
| 607 | DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i") |
| 608 | DECLARE_HYDROGEN_ACCESSOR(Div) |
| 609 | }; |
| 610 | |
| 611 | |
| 612 | class LMulI: public LBinaryOperation { |
| 613 | public: |
| 614 | LMulI(LOperand* left, LOperand* right, LOperand* temp) |
| 615 | : LBinaryOperation(left, right), temp_(temp) { } |
| 616 | |
| 617 | DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-i") |
| 618 | DECLARE_HYDROGEN_ACCESSOR(Mul) |
| 619 | |
| 620 | LOperand* temp() const { return temp_; } |
| 621 | |
| 622 | private: |
| 623 | LOperand* temp_; |
| 624 | }; |
| 625 | |
| 626 | |
| 627 | class LCmpID: public LBinaryOperation { |
| 628 | public: |
| 629 | LCmpID(Token::Value op, LOperand* left, LOperand* right, bool is_double) |
| 630 | : LBinaryOperation(left, right), op_(op), is_double_(is_double) { } |
| 631 | |
| 632 | Token::Value op() const { return op_; } |
| 633 | bool is_double() const { return is_double_; } |
| 634 | |
| 635 | DECLARE_CONCRETE_INSTRUCTION(CmpID, "cmp-id") |
| 636 | |
| 637 | private: |
| 638 | Token::Value op_; |
| 639 | bool is_double_; |
| 640 | }; |
| 641 | |
| 642 | |
| 643 | class LCmpIDAndBranch: public LCmpID { |
| 644 | public: |
| 645 | LCmpIDAndBranch(Token::Value op, |
| 646 | LOperand* left, |
| 647 | LOperand* right, |
| 648 | int true_block_id, |
| 649 | int false_block_id, |
| 650 | bool is_double) |
| 651 | : LCmpID(op, left, right, is_double), |
| 652 | true_block_id_(true_block_id), |
| 653 | false_block_id_(false_block_id) { } |
| 654 | |
| 655 | DECLARE_CONCRETE_INSTRUCTION(CmpIDAndBranch, "cmp-id-and-branch") |
| 656 | virtual void PrintDataTo(StringStream* stream) const; |
| 657 | virtual bool IsControl() const { return true; } |
| 658 | |
| 659 | int true_block_id() const { return true_block_id_; } |
| 660 | int false_block_id() const { return false_block_id_; } |
| 661 | |
| 662 | private: |
| 663 | int true_block_id_; |
| 664 | int false_block_id_; |
| 665 | }; |
| 666 | |
| 667 | |
| 668 | class LUnaryMathOperation: public LUnaryOperation { |
| 669 | public: |
| 670 | explicit LUnaryMathOperation(LOperand* value) |
| 671 | : LUnaryOperation(value) { } |
| 672 | |
| 673 | DECLARE_CONCRETE_INSTRUCTION(UnaryMathOperation, "unary-math-operation") |
| 674 | DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation) |
| 675 | |
| 676 | virtual void PrintDataTo(StringStream* stream) const; |
| 677 | BuiltinFunctionId op() const { return hydrogen()->op(); } |
| 678 | }; |
| 679 | |
| 680 | |
| 681 | class LCmpJSObjectEq: public LBinaryOperation { |
| 682 | public: |
| 683 | LCmpJSObjectEq(LOperand* left, LOperand* right) |
| 684 | : LBinaryOperation(left, right) {} |
| 685 | |
| 686 | DECLARE_CONCRETE_INSTRUCTION(CmpJSObjectEq, "cmp-jsobject-eq") |
| 687 | }; |
| 688 | |
| 689 | |
| 690 | class LCmpJSObjectEqAndBranch: public LCmpJSObjectEq { |
| 691 | public: |
| 692 | LCmpJSObjectEqAndBranch(LOperand* left, |
| 693 | LOperand* right, |
| 694 | int true_block_id, |
| 695 | int false_block_id) |
| 696 | : LCmpJSObjectEq(left, right), |
| 697 | true_block_id_(true_block_id), |
| 698 | false_block_id_(false_block_id) { } |
| 699 | |
| 700 | DECLARE_CONCRETE_INSTRUCTION(CmpJSObjectEqAndBranch, |
| 701 | "cmp-jsobject-eq-and-branch") |
| 702 | |
| 703 | int true_block_id() const { return true_block_id_; } |
| 704 | int false_block_id() const { return false_block_id_; } |
| 705 | |
| 706 | private: |
| 707 | int true_block_id_; |
| 708 | int false_block_id_; |
| 709 | }; |
| 710 | |
| 711 | |
| 712 | class LIsNull: public LUnaryOperation { |
| 713 | public: |
| 714 | LIsNull(LOperand* value, bool is_strict) |
| 715 | : LUnaryOperation(value), is_strict_(is_strict) {} |
| 716 | |
| 717 | DECLARE_CONCRETE_INSTRUCTION(IsNull, "is-null") |
| 718 | |
| 719 | bool is_strict() const { return is_strict_; } |
| 720 | |
| 721 | private: |
| 722 | bool is_strict_; |
| 723 | }; |
| 724 | |
| 725 | |
| 726 | class LIsNullAndBranch: public LIsNull { |
| 727 | public: |
| 728 | LIsNullAndBranch(LOperand* value, |
| 729 | bool is_strict, |
| 730 | LOperand* temp, |
| 731 | int true_block_id, |
| 732 | int false_block_id) |
| 733 | : LIsNull(value, is_strict), |
| 734 | temp_(temp), |
| 735 | true_block_id_(true_block_id), |
| 736 | false_block_id_(false_block_id) { } |
| 737 | |
| 738 | DECLARE_CONCRETE_INSTRUCTION(IsNullAndBranch, "is-null-and-branch") |
| 739 | virtual void PrintDataTo(StringStream* stream) const; |
| 740 | virtual bool IsControl() const { return true; } |
| 741 | |
| 742 | int true_block_id() const { return true_block_id_; } |
| 743 | int false_block_id() const { return false_block_id_; } |
| 744 | |
| 745 | LOperand* temp() const { return temp_; } |
| 746 | |
| 747 | private: |
| 748 | LOperand* temp_; |
| 749 | int true_block_id_; |
| 750 | int false_block_id_; |
| 751 | }; |
| 752 | |
| 753 | |
| 754 | class LIsObject: public LUnaryOperation { |
| 755 | public: |
| 756 | LIsObject(LOperand* value, LOperand* temp) |
| 757 | : LUnaryOperation(value), temp_(temp) {} |
| 758 | |
| 759 | DECLARE_CONCRETE_INSTRUCTION(IsObject, "is-object") |
| 760 | |
| 761 | LOperand* temp() const { return temp_; } |
| 762 | |
| 763 | private: |
| 764 | LOperand* temp_; |
| 765 | }; |
| 766 | |
| 767 | |
| 768 | class LIsObjectAndBranch: public LIsObject { |
| 769 | public: |
| 770 | LIsObjectAndBranch(LOperand* value, |
| 771 | LOperand* temp, |
| 772 | LOperand* temp2, |
| 773 | int true_block_id, |
| 774 | int false_block_id) |
| 775 | : LIsObject(value, temp), |
| 776 | temp2_(temp2), |
| 777 | true_block_id_(true_block_id), |
| 778 | false_block_id_(false_block_id) { } |
| 779 | |
| 780 | DECLARE_CONCRETE_INSTRUCTION(IsObjectAndBranch, "is-object-and-branch") |
| 781 | virtual void PrintDataTo(StringStream* stream) const; |
| 782 | virtual bool IsControl() const { return true; } |
| 783 | |
| 784 | int true_block_id() const { return true_block_id_; } |
| 785 | int false_block_id() const { return false_block_id_; } |
| 786 | |
| 787 | LOperand* temp2() const { return temp2_; } |
| 788 | |
| 789 | private: |
| 790 | LOperand* temp2_; |
| 791 | int true_block_id_; |
| 792 | int false_block_id_; |
| 793 | }; |
| 794 | |
| 795 | |
| 796 | class LIsSmi: public LUnaryOperation { |
| 797 | public: |
| 798 | explicit LIsSmi(LOperand* value) : LUnaryOperation(value) {} |
| 799 | |
| 800 | DECLARE_CONCRETE_INSTRUCTION(IsSmi, "is-smi") |
| 801 | DECLARE_HYDROGEN_ACCESSOR(IsSmi) |
| 802 | }; |
| 803 | |
| 804 | |
| 805 | class LIsSmiAndBranch: public LIsSmi { |
| 806 | public: |
| 807 | LIsSmiAndBranch(LOperand* value, |
| 808 | int true_block_id, |
| 809 | int false_block_id) |
| 810 | : LIsSmi(value), |
| 811 | true_block_id_(true_block_id), |
| 812 | false_block_id_(false_block_id) { } |
| 813 | |
| 814 | DECLARE_CONCRETE_INSTRUCTION(IsSmiAndBranch, "is-smi-and-branch") |
| 815 | virtual void PrintDataTo(StringStream* stream) const; |
| 816 | virtual bool IsControl() const { return true; } |
| 817 | |
| 818 | int true_block_id() const { return true_block_id_; } |
| 819 | int false_block_id() const { return false_block_id_; } |
| 820 | |
| 821 | private: |
| 822 | int true_block_id_; |
| 823 | int false_block_id_; |
| 824 | }; |
| 825 | |
| 826 | |
| 827 | class LHasInstanceType: public LUnaryOperation { |
| 828 | public: |
| 829 | explicit LHasInstanceType(LOperand* value) |
| 830 | : LUnaryOperation(value) { } |
| 831 | |
| 832 | DECLARE_CONCRETE_INSTRUCTION(HasInstanceType, "has-instance-type") |
| 833 | DECLARE_HYDROGEN_ACCESSOR(HasInstanceType) |
| 834 | |
| 835 | InstanceType TestType(); // The type to test against when generating code. |
| 836 | Condition BranchCondition(); // The branch condition for 'true'. |
| 837 | }; |
| 838 | |
| 839 | |
| 840 | class LHasInstanceTypeAndBranch: public LHasInstanceType { |
| 841 | public: |
| 842 | LHasInstanceTypeAndBranch(LOperand* value, |
| 843 | LOperand* temporary, |
| 844 | int true_block_id, |
| 845 | int false_block_id) |
| 846 | : LHasInstanceType(value), |
| 847 | temp_(temporary), |
| 848 | true_block_id_(true_block_id), |
| 849 | false_block_id_(false_block_id) { } |
| 850 | |
| 851 | DECLARE_CONCRETE_INSTRUCTION(HasInstanceTypeAndBranch, |
| 852 | "has-instance-type-and-branch") |
| 853 | virtual void PrintDataTo(StringStream* stream) const; |
| 854 | virtual bool IsControl() const { return true; } |
| 855 | |
| 856 | int true_block_id() const { return true_block_id_; } |
| 857 | int false_block_id() const { return false_block_id_; } |
| 858 | |
| 859 | LOperand* temp() { return temp_; } |
| 860 | |
| 861 | private: |
| 862 | LOperand* temp_; |
| 863 | int true_block_id_; |
| 864 | int false_block_id_; |
| 865 | }; |
| 866 | |
| 867 | |
| 868 | class LHasCachedArrayIndex: public LUnaryOperation { |
| 869 | public: |
| 870 | explicit LHasCachedArrayIndex(LOperand* value) : LUnaryOperation(value) {} |
| 871 | |
| 872 | DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndex, "has-cached-array-index") |
| 873 | DECLARE_HYDROGEN_ACCESSOR(HasCachedArrayIndex) |
| 874 | }; |
| 875 | |
| 876 | |
| 877 | class LHasCachedArrayIndexAndBranch: public LHasCachedArrayIndex { |
| 878 | public: |
| 879 | LHasCachedArrayIndexAndBranch(LOperand* value, |
| 880 | int true_block_id, |
| 881 | int false_block_id) |
| 882 | : LHasCachedArrayIndex(value), |
| 883 | true_block_id_(true_block_id), |
| 884 | false_block_id_(false_block_id) { } |
| 885 | |
| 886 | DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndexAndBranch, |
| 887 | "has-cached-array-index-and-branch") |
| 888 | virtual void PrintDataTo(StringStream* stream) const; |
| 889 | virtual bool IsControl() const { return true; } |
| 890 | |
| 891 | int true_block_id() const { return true_block_id_; } |
| 892 | int false_block_id() const { return false_block_id_; } |
| 893 | |
| 894 | private: |
| 895 | int true_block_id_; |
| 896 | int false_block_id_; |
| 897 | }; |
| 898 | |
| 899 | |
| 900 | class LClassOfTest: public LUnaryOperation { |
| 901 | public: |
| 902 | LClassOfTest(LOperand* value, LOperand* temp) |
| 903 | : LUnaryOperation(value), temporary_(temp) {} |
| 904 | |
| 905 | DECLARE_CONCRETE_INSTRUCTION(ClassOfTest, "class-of-test") |
| 906 | DECLARE_HYDROGEN_ACCESSOR(ClassOfTest) |
| 907 | |
| 908 | virtual void PrintDataTo(StringStream* stream) const; |
| 909 | |
| 910 | LOperand* temporary() { return temporary_; } |
| 911 | |
| 912 | private: |
| 913 | LOperand *temporary_; |
| 914 | }; |
| 915 | |
| 916 | |
| 917 | class LClassOfTestAndBranch: public LClassOfTest { |
| 918 | public: |
| 919 | LClassOfTestAndBranch(LOperand* value, |
| 920 | LOperand* temporary, |
| 921 | LOperand* temporary2, |
| 922 | int true_block_id, |
| 923 | int false_block_id) |
| 924 | : LClassOfTest(value, temporary), |
| 925 | temporary2_(temporary2), |
| 926 | true_block_id_(true_block_id), |
| 927 | false_block_id_(false_block_id) { } |
| 928 | |
| 929 | DECLARE_CONCRETE_INSTRUCTION(ClassOfTestAndBranch, |
| 930 | "class-of-test-and-branch") |
| 931 | virtual void PrintDataTo(StringStream* stream) const; |
| 932 | virtual bool IsControl() const { return true; } |
| 933 | |
| 934 | int true_block_id() const { return true_block_id_; } |
| 935 | int false_block_id() const { return false_block_id_; } |
| 936 | LOperand* temporary2() { return temporary2_; } |
| 937 | |
| 938 | private: |
| 939 | LOperand* temporary2_; |
| 940 | int true_block_id_; |
| 941 | int false_block_id_; |
| 942 | }; |
| 943 | |
| 944 | |
| 945 | class LCmpT: public LBinaryOperation { |
| 946 | public: |
| 947 | LCmpT(LOperand* left, LOperand* right) : LBinaryOperation(left, right) {} |
| 948 | |
| 949 | DECLARE_CONCRETE_INSTRUCTION(CmpT, "cmp-t") |
| 950 | DECLARE_HYDROGEN_ACCESSOR(Compare) |
| 951 | |
| 952 | Token::Value op() const { return hydrogen()->token(); } |
| 953 | }; |
| 954 | |
| 955 | |
| 956 | class LCmpTAndBranch: public LCmpT { |
| 957 | public: |
| 958 | LCmpTAndBranch(LOperand* left, |
| 959 | LOperand* right, |
| 960 | int true_block_id, |
| 961 | int false_block_id) |
| 962 | : LCmpT(left, right), |
| 963 | true_block_id_(true_block_id), |
| 964 | false_block_id_(false_block_id) { } |
| 965 | |
| 966 | DECLARE_CONCRETE_INSTRUCTION(CmpTAndBranch, "cmp-t-and-branch") |
| 967 | |
| 968 | int true_block_id() const { return true_block_id_; } |
| 969 | int false_block_id() const { return false_block_id_; } |
| 970 | |
| 971 | private: |
| 972 | int true_block_id_; |
| 973 | int false_block_id_; |
| 974 | }; |
| 975 | |
| 976 | |
| 977 | class LInstanceOf: public LBinaryOperation { |
| 978 | public: |
| 979 | LInstanceOf(LOperand* left, LOperand* right) |
| 980 | : LBinaryOperation(left, right) { } |
| 981 | |
| 982 | DECLARE_CONCRETE_INSTRUCTION(InstanceOf, "instance-of") |
| 983 | }; |
| 984 | |
| 985 | |
| 986 | class LInstanceOfAndBranch: public LInstanceOf { |
| 987 | public: |
| 988 | LInstanceOfAndBranch(LOperand* left, |
| 989 | LOperand* right, |
| 990 | int true_block_id, |
| 991 | int false_block_id) |
| 992 | : LInstanceOf(left, right), |
| 993 | true_block_id_(true_block_id), |
| 994 | false_block_id_(false_block_id) { } |
| 995 | |
| 996 | DECLARE_CONCRETE_INSTRUCTION(InstanceOfAndBranch, "instance-of-and-branch") |
| 997 | |
| 998 | int true_block_id() const { return true_block_id_; } |
| 999 | int false_block_id() const { return false_block_id_; } |
| 1000 | |
| 1001 | private: |
| 1002 | int true_block_id_; |
| 1003 | int false_block_id_; |
| 1004 | }; |
| 1005 | |
| 1006 | |
| 1007 | class LBoundsCheck: public LBinaryOperation { |
| 1008 | public: |
| 1009 | LBoundsCheck(LOperand* index, LOperand* length) |
| 1010 | : LBinaryOperation(index, length) { } |
| 1011 | |
| 1012 | LOperand* index() const { return left(); } |
| 1013 | LOperand* length() const { return right(); } |
| 1014 | |
| 1015 | DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check") |
| 1016 | }; |
| 1017 | |
| 1018 | |
| 1019 | class LBitI: public LBinaryOperation { |
| 1020 | public: |
| 1021 | LBitI(Token::Value op, LOperand* left, LOperand* right) |
| 1022 | : LBinaryOperation(left, right), op_(op) { } |
| 1023 | |
| 1024 | Token::Value op() const { return op_; } |
| 1025 | |
| 1026 | DECLARE_CONCRETE_INSTRUCTION(BitI, "bit-i") |
| 1027 | |
| 1028 | private: |
| 1029 | Token::Value op_; |
| 1030 | }; |
| 1031 | |
| 1032 | |
| 1033 | class LShiftI: public LBinaryOperation { |
| 1034 | public: |
| 1035 | LShiftI(Token::Value op, LOperand* left, LOperand* right, bool can_deopt) |
| 1036 | : LBinaryOperation(left, right), op_(op), can_deopt_(can_deopt) { } |
| 1037 | |
| 1038 | Token::Value op() const { return op_; } |
| 1039 | |
| 1040 | bool can_deopt() const { return can_deopt_; } |
| 1041 | |
| 1042 | DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i") |
| 1043 | |
| 1044 | private: |
| 1045 | Token::Value op_; |
| 1046 | bool can_deopt_; |
| 1047 | }; |
| 1048 | |
| 1049 | |
| 1050 | class LSubI: public LBinaryOperation { |
| 1051 | public: |
| 1052 | LSubI(LOperand* left, LOperand* right) |
| 1053 | : LBinaryOperation(left, right) { } |
| 1054 | |
| 1055 | DECLARE_CONCRETE_INSTRUCTION(SubI, "sub-i") |
| 1056 | DECLARE_HYDROGEN_ACCESSOR(Sub) |
| 1057 | }; |
| 1058 | |
| 1059 | |
| 1060 | class LConstant: public LInstruction { |
| 1061 | DECLARE_INSTRUCTION(Constant) |
| 1062 | }; |
| 1063 | |
| 1064 | |
| 1065 | class LConstantI: public LConstant { |
| 1066 | public: |
| 1067 | explicit LConstantI(int32_t value) : value_(value) { } |
| 1068 | int32_t value() const { return value_; } |
| 1069 | |
| 1070 | DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i") |
| 1071 | |
| 1072 | private: |
| 1073 | int32_t value_; |
| 1074 | }; |
| 1075 | |
| 1076 | |
| 1077 | class LConstantD: public LConstant { |
| 1078 | public: |
| 1079 | explicit LConstantD(double value) : value_(value) { } |
| 1080 | double value() const { return value_; } |
| 1081 | |
| 1082 | DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d") |
| 1083 | |
| 1084 | private: |
| 1085 | double value_; |
| 1086 | }; |
| 1087 | |
| 1088 | |
| 1089 | class LConstantT: public LConstant { |
| 1090 | public: |
| 1091 | explicit LConstantT(Handle<Object> value) : value_(value) { } |
| 1092 | Handle<Object> value() const { return value_; } |
| 1093 | |
| 1094 | DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t") |
| 1095 | |
| 1096 | private: |
| 1097 | Handle<Object> value_; |
| 1098 | }; |
| 1099 | |
| 1100 | |
| 1101 | class LBranch: public LUnaryOperation { |
| 1102 | public: |
| 1103 | LBranch(LOperand* input, int true_block_id, int false_block_id) |
| 1104 | : LUnaryOperation(input), |
| 1105 | true_block_id_(true_block_id), |
| 1106 | false_block_id_(false_block_id) { } |
| 1107 | |
| 1108 | DECLARE_CONCRETE_INSTRUCTION(Branch, "branch") |
| 1109 | DECLARE_HYDROGEN_ACCESSOR(Value) |
| 1110 | |
| 1111 | virtual void PrintDataTo(StringStream* stream) const; |
| 1112 | virtual bool IsControl() const { return true; } |
| 1113 | |
| 1114 | int true_block_id() const { return true_block_id_; } |
| 1115 | int false_block_id() const { return false_block_id_; } |
| 1116 | |
| 1117 | private: |
| 1118 | int true_block_id_; |
| 1119 | int false_block_id_; |
| 1120 | }; |
| 1121 | |
| 1122 | |
| 1123 | class LCmpMapAndBranch: public LUnaryOperation { |
| 1124 | public: |
| 1125 | LCmpMapAndBranch(LOperand* value, |
| 1126 | Handle<Map> map, |
| 1127 | int true_block_id, |
| 1128 | int false_block_id) |
| 1129 | : LUnaryOperation(value), |
| 1130 | map_(map), |
| 1131 | true_block_id_(true_block_id), |
| 1132 | false_block_id_(false_block_id) { } |
| 1133 | |
| 1134 | DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch") |
| 1135 | |
| 1136 | virtual bool IsControl() const { return true; } |
| 1137 | |
| 1138 | Handle<Map> map() const { return map_; } |
| 1139 | int true_block_id() const { return true_block_id_; } |
| 1140 | int false_block_id() const { return false_block_id_; } |
| 1141 | |
| 1142 | private: |
| 1143 | Handle<Map> map_; |
| 1144 | int true_block_id_; |
| 1145 | int false_block_id_; |
| 1146 | }; |
| 1147 | |
| 1148 | |
| 1149 | class LArrayLength: public LUnaryOperation { |
| 1150 | public: |
| 1151 | LArrayLength(LOperand* input, LOperand* temporary) |
| 1152 | : LUnaryOperation(input), temporary_(temporary) { } |
| 1153 | |
| 1154 | LOperand* temporary() const { return temporary_; } |
| 1155 | |
| 1156 | DECLARE_CONCRETE_INSTRUCTION(ArrayLength, "array-length") |
| 1157 | DECLARE_HYDROGEN_ACCESSOR(ArrayLength) |
| 1158 | |
| 1159 | private: |
| 1160 | LOperand* temporary_; |
| 1161 | }; |
| 1162 | |
| 1163 | |
| 1164 | class LValueOf: public LUnaryOperation { |
| 1165 | public: |
| 1166 | LValueOf(LOperand* input, LOperand* temporary) |
| 1167 | : LUnaryOperation(input), temporary_(temporary) { } |
| 1168 | |
| 1169 | LOperand* temporary() const { return temporary_; } |
| 1170 | |
| 1171 | DECLARE_CONCRETE_INSTRUCTION(ValueOf, "value-of") |
| 1172 | DECLARE_HYDROGEN_ACCESSOR(ValueOf) |
| 1173 | |
| 1174 | private: |
| 1175 | LOperand* temporary_; |
| 1176 | }; |
| 1177 | |
| 1178 | |
| 1179 | class LThrow: public LUnaryOperation { |
| 1180 | public: |
| 1181 | explicit LThrow(LOperand* value) : LUnaryOperation(value) { } |
| 1182 | |
| 1183 | DECLARE_CONCRETE_INSTRUCTION(Throw, "throw") |
| 1184 | }; |
| 1185 | |
| 1186 | |
| 1187 | class LBitNotI: public LUnaryOperation { |
| 1188 | public: |
| 1189 | explicit LBitNotI(LOperand* use) : LUnaryOperation(use) { } |
| 1190 | |
| 1191 | DECLARE_CONCRETE_INSTRUCTION(BitNotI, "bit-not-i") |
| 1192 | }; |
| 1193 | |
| 1194 | |
| 1195 | class LAddI: public LBinaryOperation { |
| 1196 | public: |
| 1197 | LAddI(LOperand* left, LOperand* right) |
| 1198 | : LBinaryOperation(left, right) { } |
| 1199 | |
| 1200 | DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i") |
| 1201 | DECLARE_HYDROGEN_ACCESSOR(Add) |
| 1202 | }; |
| 1203 | |
| 1204 | |
| 1205 | class LPower: public LBinaryOperation { |
| 1206 | public: |
| 1207 | LPower(LOperand* left, LOperand* right) |
| 1208 | : LBinaryOperation(left, right) { } |
| 1209 | |
| 1210 | DECLARE_CONCRETE_INSTRUCTION(Power, "power") |
| 1211 | DECLARE_HYDROGEN_ACCESSOR(Power) |
| 1212 | }; |
| 1213 | |
| 1214 | |
| 1215 | class LArithmeticD: public LBinaryOperation { |
| 1216 | public: |
| 1217 | LArithmeticD(Token::Value op, LOperand* left, LOperand* right) |
| 1218 | : LBinaryOperation(left, right), op_(op) { } |
| 1219 | |
| 1220 | Token::Value op() const { return op_; } |
| 1221 | |
| 1222 | virtual void CompileToNative(LCodeGen* generator); |
| 1223 | virtual const char* Mnemonic() const; |
| 1224 | |
| 1225 | private: |
| 1226 | Token::Value op_; |
| 1227 | }; |
| 1228 | |
| 1229 | |
| 1230 | class LArithmeticT: public LBinaryOperation { |
| 1231 | public: |
| 1232 | LArithmeticT(Token::Value op, LOperand* left, LOperand* right) |
| 1233 | : LBinaryOperation(left, right), op_(op) { } |
| 1234 | |
| 1235 | virtual void CompileToNative(LCodeGen* generator); |
| 1236 | virtual const char* Mnemonic() const; |
| 1237 | |
| 1238 | Token::Value op() const { return op_; } |
| 1239 | |
| 1240 | private: |
| 1241 | Token::Value op_; |
| 1242 | }; |
| 1243 | |
| 1244 | |
| 1245 | class LReturn: public LUnaryOperation { |
| 1246 | public: |
| 1247 | explicit LReturn(LOperand* use) : LUnaryOperation(use) { } |
| 1248 | |
| 1249 | DECLARE_CONCRETE_INSTRUCTION(Return, "return") |
| 1250 | }; |
| 1251 | |
| 1252 | |
| 1253 | class LLoadNamedField: public LUnaryOperation { |
| 1254 | public: |
| 1255 | explicit LLoadNamedField(LOperand* object) : LUnaryOperation(object) { } |
| 1256 | |
| 1257 | DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field") |
| 1258 | DECLARE_HYDROGEN_ACCESSOR(LoadNamedField) |
| 1259 | }; |
| 1260 | |
| 1261 | |
| 1262 | class LLoadNamedGeneric: public LUnaryOperation { |
| 1263 | public: |
| 1264 | explicit LLoadNamedGeneric(LOperand* object) : LUnaryOperation(object) { } |
| 1265 | |
| 1266 | DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic") |
| 1267 | DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric) |
| 1268 | |
| 1269 | LOperand* object() const { return input(); } |
| 1270 | Handle<Object> name() const { return hydrogen()->name(); } |
| 1271 | }; |
| 1272 | |
| 1273 | |
| 1274 | class LLoadElements: public LUnaryOperation { |
| 1275 | public: |
| 1276 | explicit LLoadElements(LOperand* obj) : LUnaryOperation(obj) { } |
| 1277 | |
| 1278 | DECLARE_CONCRETE_INSTRUCTION(LoadElements, "load-elements") |
| 1279 | }; |
| 1280 | |
| 1281 | |
| 1282 | class LLoadKeyedFastElement: public LBinaryOperation { |
| 1283 | public: |
| 1284 | LLoadKeyedFastElement(LOperand* elements, |
| 1285 | LOperand* key, |
| 1286 | LOperand* load_result) |
| 1287 | : LBinaryOperation(elements, key), |
| 1288 | load_result_(load_result) { } |
| 1289 | |
| 1290 | DECLARE_CONCRETE_INSTRUCTION(LoadKeyedFastElement, "load-keyed-fast-element") |
| 1291 | DECLARE_HYDROGEN_ACCESSOR(LoadKeyedFastElement) |
| 1292 | |
| 1293 | LOperand* elements() const { return left(); } |
| 1294 | LOperand* key() const { return right(); } |
| 1295 | LOperand* load_result() const { return load_result_; } |
| 1296 | |
| 1297 | private: |
| 1298 | LOperand* load_result_; |
| 1299 | }; |
| 1300 | |
| 1301 | |
| 1302 | class LLoadKeyedGeneric: public LBinaryOperation { |
| 1303 | public: |
| 1304 | LLoadKeyedGeneric(LOperand* obj, LOperand* key) |
| 1305 | : LBinaryOperation(obj, key) { } |
| 1306 | |
| 1307 | DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic") |
| 1308 | |
| 1309 | LOperand* object() const { return left(); } |
| 1310 | LOperand* key() const { return right(); } |
| 1311 | }; |
| 1312 | |
| 1313 | |
| 1314 | class LLoadGlobal: public LInstruction { |
| 1315 | public: |
| 1316 | DECLARE_CONCRETE_INSTRUCTION(LoadGlobal, "load-global") |
| 1317 | DECLARE_HYDROGEN_ACCESSOR(LoadGlobal) |
| 1318 | }; |
| 1319 | |
| 1320 | |
| 1321 | class LStoreGlobal: public LUnaryOperation { |
| 1322 | public: |
| 1323 | explicit LStoreGlobal(LOperand* value) : LUnaryOperation(value) {} |
| 1324 | |
| 1325 | DECLARE_CONCRETE_INSTRUCTION(StoreGlobal, "store-global") |
| 1326 | DECLARE_HYDROGEN_ACCESSOR(StoreGlobal) |
| 1327 | }; |
| 1328 | |
| 1329 | |
| 1330 | class LPushArgument: public LUnaryOperation { |
| 1331 | public: |
| 1332 | explicit LPushArgument(LOperand* argument) : LUnaryOperation(argument) {} |
| 1333 | |
| 1334 | DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument") |
| 1335 | }; |
| 1336 | |
| 1337 | |
| 1338 | class LGlobalObject: public LInstruction { |
| 1339 | public: |
| 1340 | DECLARE_CONCRETE_INSTRUCTION(GlobalObject, "global-object") |
| 1341 | }; |
| 1342 | |
| 1343 | |
| 1344 | class LGlobalReceiver: public LInstruction { |
| 1345 | public: |
| 1346 | DECLARE_CONCRETE_INSTRUCTION(GlobalReceiver, "global-receiver") |
| 1347 | }; |
| 1348 | |
| 1349 | |
| 1350 | class LCallConstantFunction: public LInstruction { |
| 1351 | public: |
| 1352 | DECLARE_CONCRETE_INSTRUCTION(CallConstantFunction, "call-constant-function") |
| 1353 | DECLARE_HYDROGEN_ACCESSOR(CallConstantFunction) |
| 1354 | |
| 1355 | virtual void PrintDataTo(StringStream* stream) const; |
| 1356 | |
| 1357 | Handle<JSFunction> function() const { return hydrogen()->function(); } |
| 1358 | int arity() const { return hydrogen()->argument_count() - 1; } |
| 1359 | }; |
| 1360 | |
| 1361 | |
| 1362 | class LCallKeyed: public LInstruction { |
| 1363 | public: |
| 1364 | DECLARE_CONCRETE_INSTRUCTION(CallKeyed, "call-keyed") |
| 1365 | DECLARE_HYDROGEN_ACCESSOR(CallKeyed) |
| 1366 | |
| 1367 | virtual void PrintDataTo(StringStream* stream) const; |
| 1368 | |
| 1369 | int arity() const { return hydrogen()->argument_count() - 1; } |
| 1370 | }; |
| 1371 | |
| 1372 | |
| 1373 | class LCallNamed: public LInstruction { |
| 1374 | public: |
| 1375 | DECLARE_CONCRETE_INSTRUCTION(CallNamed, "call-named") |
| 1376 | DECLARE_HYDROGEN_ACCESSOR(CallNamed) |
| 1377 | |
| 1378 | virtual void PrintDataTo(StringStream* stream) const; |
| 1379 | |
| 1380 | Handle<String> name() const { return hydrogen()->name(); } |
| 1381 | int arity() const { return hydrogen()->argument_count() - 1; } |
| 1382 | }; |
| 1383 | |
| 1384 | |
| 1385 | class LCallFunction: public LInstruction { |
| 1386 | public: |
| 1387 | DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function") |
| 1388 | DECLARE_HYDROGEN_ACCESSOR(CallFunction) |
| 1389 | |
| 1390 | int arity() const { return hydrogen()->argument_count() - 2; } |
| 1391 | }; |
| 1392 | |
| 1393 | |
| 1394 | class LCallGlobal: public LInstruction { |
| 1395 | public: |
| 1396 | DECLARE_CONCRETE_INSTRUCTION(CallGlobal, "call-global") |
| 1397 | DECLARE_HYDROGEN_ACCESSOR(CallGlobal) |
| 1398 | |
| 1399 | virtual void PrintDataTo(StringStream* stream) const; |
| 1400 | |
| 1401 | Handle<String> name() const {return hydrogen()->name(); } |
| 1402 | int arity() const { return hydrogen()->argument_count() - 1; } |
| 1403 | }; |
| 1404 | |
| 1405 | |
| 1406 | class LCallKnownGlobal: public LInstruction { |
| 1407 | public: |
| 1408 | DECLARE_CONCRETE_INSTRUCTION(CallKnownGlobal, "call-known-global") |
| 1409 | DECLARE_HYDROGEN_ACCESSOR(CallKnownGlobal) |
| 1410 | |
| 1411 | virtual void PrintDataTo(StringStream* stream) const; |
| 1412 | |
| 1413 | Handle<JSFunction> target() const { return hydrogen()->target(); } |
| 1414 | int arity() const { return hydrogen()->argument_count() - 1; } |
| 1415 | }; |
| 1416 | |
| 1417 | |
| 1418 | class LCallNew: public LUnaryOperation { |
| 1419 | public: |
| 1420 | explicit LCallNew(LOperand* constructor) : LUnaryOperation(constructor) { } |
| 1421 | |
| 1422 | DECLARE_CONCRETE_INSTRUCTION(CallNew, "call-new") |
| 1423 | DECLARE_HYDROGEN_ACCESSOR(CallNew) |
| 1424 | |
| 1425 | virtual void PrintDataTo(StringStream* stream) const; |
| 1426 | |
| 1427 | int arity() const { return hydrogen()->argument_count() - 1; } |
| 1428 | }; |
| 1429 | |
| 1430 | |
| 1431 | class LCallRuntime: public LInstruction { |
| 1432 | public: |
| 1433 | DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime") |
| 1434 | DECLARE_HYDROGEN_ACCESSOR(CallRuntime) |
| 1435 | |
| 1436 | Runtime::Function* function() const { return hydrogen()->function(); } |
| 1437 | int arity() const { return hydrogen()->argument_count(); } |
| 1438 | }; |
| 1439 | |
| 1440 | |
| 1441 | class LInteger32ToDouble: public LUnaryOperation { |
| 1442 | public: |
| 1443 | explicit LInteger32ToDouble(LOperand* use) : LUnaryOperation(use) { } |
| 1444 | |
| 1445 | DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double") |
| 1446 | }; |
| 1447 | |
| 1448 | |
| 1449 | class LNumberTagI: public LUnaryOperation { |
| 1450 | public: |
| 1451 | explicit LNumberTagI(LOperand* use) : LUnaryOperation(use) { } |
| 1452 | |
| 1453 | DECLARE_CONCRETE_INSTRUCTION(NumberTagI, "number-tag-i") |
| 1454 | }; |
| 1455 | |
| 1456 | |
| 1457 | class LNumberTagD: public LUnaryOperation { |
| 1458 | public: |
| 1459 | explicit LNumberTagD(LOperand* value, LOperand* temp) |
| 1460 | : LUnaryOperation(value), temp_(temp) { } |
| 1461 | |
| 1462 | DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d") |
| 1463 | |
| 1464 | LOperand* temp() const { return temp_; } |
| 1465 | |
| 1466 | private: |
| 1467 | LOperand* temp_; |
| 1468 | }; |
| 1469 | |
| 1470 | |
| 1471 | // Sometimes truncating conversion from a tagged value to an int32. |
| 1472 | class LDoubleToI: public LUnaryOperation { |
| 1473 | public: |
| 1474 | explicit LDoubleToI(LOperand* value) : LUnaryOperation(value) { } |
| 1475 | |
| 1476 | DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i") |
| 1477 | DECLARE_HYDROGEN_ACCESSOR(Change) |
| 1478 | |
| 1479 | bool truncating() { return hydrogen()->CanTruncateToInt32(); } |
| 1480 | }; |
| 1481 | |
| 1482 | |
| 1483 | // Truncating conversion from a tagged value to an int32. |
| 1484 | class LTaggedToI: public LUnaryOperation { |
| 1485 | public: |
| 1486 | LTaggedToI(LOperand* value, LOperand* temp) |
| 1487 | : LUnaryOperation(value), temp_(temp) { } |
| 1488 | |
| 1489 | DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i") |
| 1490 | DECLARE_HYDROGEN_ACCESSOR(Change) |
| 1491 | |
| 1492 | bool truncating() { return hydrogen()->CanTruncateToInt32(); } |
| 1493 | LOperand* temp() const { return temp_; } |
| 1494 | |
| 1495 | private: |
| 1496 | LOperand* temp_; |
| 1497 | }; |
| 1498 | |
| 1499 | |
| 1500 | class LSmiTag: public LUnaryOperation { |
| 1501 | public: |
| 1502 | explicit LSmiTag(LOperand* use) : LUnaryOperation(use) { } |
| 1503 | |
| 1504 | DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag") |
| 1505 | }; |
| 1506 | |
| 1507 | |
| 1508 | class LNumberUntagD: public LUnaryOperation { |
| 1509 | public: |
| 1510 | explicit LNumberUntagD(LOperand* value) : LUnaryOperation(value) { } |
| 1511 | |
| 1512 | DECLARE_CONCRETE_INSTRUCTION(NumberUntagD, "double-untag") |
| 1513 | }; |
| 1514 | |
| 1515 | |
| 1516 | class LSmiUntag: public LUnaryOperation { |
| 1517 | public: |
| 1518 | LSmiUntag(LOperand* use, bool needs_check) |
| 1519 | : LUnaryOperation(use), needs_check_(needs_check) { } |
| 1520 | |
| 1521 | DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag") |
| 1522 | |
| 1523 | bool needs_check() const { return needs_check_; } |
| 1524 | |
| 1525 | private: |
| 1526 | bool needs_check_; |
| 1527 | }; |
| 1528 | |
| 1529 | |
| 1530 | class LStoreNamed: public LInstruction { |
| 1531 | public: |
| 1532 | LStoreNamed(LOperand* obj, Handle<Object> name, LOperand* val) |
| 1533 | : object_(obj), name_(name), value_(val) { } |
| 1534 | |
| 1535 | DECLARE_INSTRUCTION(StoreNamed) |
| 1536 | |
| 1537 | virtual void PrintDataTo(StringStream* stream) const; |
| 1538 | |
| 1539 | LOperand* object() const { return object_; } |
| 1540 | Handle<Object> name() const { return name_; } |
| 1541 | LOperand* value() const { return value_; } |
| 1542 | |
| 1543 | private: |
| 1544 | LOperand* object_; |
| 1545 | Handle<Object> name_; |
| 1546 | LOperand* value_; |
| 1547 | }; |
| 1548 | |
| 1549 | |
| 1550 | class LStoreNamedField: public LStoreNamed { |
| 1551 | public: |
| 1552 | LStoreNamedField(LOperand* obj, |
| 1553 | Handle<Object> name, |
| 1554 | LOperand* val, |
| 1555 | bool in_object, |
| 1556 | int offset, |
| 1557 | LOperand* temp, |
| 1558 | bool needs_write_barrier, |
| 1559 | Handle<Map> transition) |
| 1560 | : LStoreNamed(obj, name, val), |
| 1561 | is_in_object_(in_object), |
| 1562 | offset_(offset), |
| 1563 | temp_(temp), |
| 1564 | needs_write_barrier_(needs_write_barrier), |
| 1565 | transition_(transition) { } |
| 1566 | |
| 1567 | DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field") |
| 1568 | |
| 1569 | bool is_in_object() { return is_in_object_; } |
| 1570 | int offset() { return offset_; } |
| 1571 | LOperand* temp() { return temp_; } |
| 1572 | bool needs_write_barrier() { return needs_write_barrier_; } |
| 1573 | Handle<Map> transition() const { return transition_; } |
| 1574 | void set_transition(Handle<Map> map) { transition_ = map; } |
| 1575 | |
| 1576 | private: |
| 1577 | bool is_in_object_; |
| 1578 | int offset_; |
| 1579 | LOperand* temp_; |
| 1580 | bool needs_write_barrier_; |
| 1581 | Handle<Map> transition_; |
| 1582 | }; |
| 1583 | |
| 1584 | |
| 1585 | class LStoreNamedGeneric: public LStoreNamed { |
| 1586 | public: |
| 1587 | LStoreNamedGeneric(LOperand* obj, |
| 1588 | Handle<Object> name, |
| 1589 | LOperand* val) |
| 1590 | : LStoreNamed(obj, name, val) { } |
| 1591 | |
| 1592 | DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic") |
| 1593 | }; |
| 1594 | |
| 1595 | |
| 1596 | class LStoreKeyed: public LInstruction { |
| 1597 | public: |
| 1598 | LStoreKeyed(LOperand* obj, LOperand* key, LOperand* val) |
| 1599 | : object_(obj), key_(key), value_(val) { } |
| 1600 | |
| 1601 | DECLARE_INSTRUCTION(StoreKeyed) |
| 1602 | |
| 1603 | virtual void PrintDataTo(StringStream* stream) const; |
| 1604 | |
| 1605 | LOperand* object() const { return object_; } |
| 1606 | LOperand* key() const { return key_; } |
| 1607 | LOperand* value() const { return value_; } |
| 1608 | |
| 1609 | private: |
| 1610 | LOperand* object_; |
| 1611 | LOperand* key_; |
| 1612 | LOperand* value_; |
| 1613 | }; |
| 1614 | |
| 1615 | |
| 1616 | class LStoreKeyedFastElement: public LStoreKeyed { |
| 1617 | public: |
| 1618 | LStoreKeyedFastElement(LOperand* obj, LOperand* key, LOperand* val) |
| 1619 | : LStoreKeyed(obj, key, val) {} |
| 1620 | |
| 1621 | DECLARE_CONCRETE_INSTRUCTION(StoreKeyedFastElement, |
| 1622 | "store-keyed-fast-element") |
| 1623 | DECLARE_HYDROGEN_ACCESSOR(StoreKeyedFastElement) |
| 1624 | }; |
| 1625 | |
| 1626 | |
| 1627 | class LStoreKeyedGeneric: public LStoreKeyed { |
| 1628 | public: |
| 1629 | LStoreKeyedGeneric(LOperand* obj, LOperand* key, LOperand* val) |
| 1630 | : LStoreKeyed(obj, key, val) { } |
| 1631 | |
| 1632 | DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic") |
| 1633 | }; |
| 1634 | |
| 1635 | |
| 1636 | class LCheckFunction: public LUnaryOperation { |
| 1637 | public: |
| 1638 | explicit LCheckFunction(LOperand* use) : LUnaryOperation(use) { } |
| 1639 | |
| 1640 | DECLARE_CONCRETE_INSTRUCTION(CheckFunction, "check-function") |
| 1641 | DECLARE_HYDROGEN_ACCESSOR(CheckFunction) |
| 1642 | }; |
| 1643 | |
| 1644 | |
| 1645 | class LCheckInstanceType: public LUnaryOperation { |
| 1646 | public: |
| 1647 | LCheckInstanceType(LOperand* use, LOperand* temp) |
| 1648 | : LUnaryOperation(use), temp_(temp) { } |
| 1649 | |
| 1650 | DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type") |
| 1651 | DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType) |
| 1652 | |
| 1653 | LOperand* temp() const { return temp_; } |
| 1654 | |
| 1655 | private: |
| 1656 | LOperand* temp_; |
| 1657 | }; |
| 1658 | |
| 1659 | |
| 1660 | class LCheckMap: public LUnaryOperation { |
| 1661 | public: |
| 1662 | explicit LCheckMap(LOperand* use) : LUnaryOperation(use) { } |
| 1663 | |
| 1664 | DECLARE_CONCRETE_INSTRUCTION(CheckMap, "check-map") |
| 1665 | DECLARE_HYDROGEN_ACCESSOR(CheckMap) |
| 1666 | }; |
| 1667 | |
| 1668 | |
| 1669 | class LCheckPrototypeMaps: public LInstruction { |
| 1670 | public: |
| 1671 | LCheckPrototypeMaps(LOperand* temp, |
| 1672 | Handle<JSObject> holder, |
| 1673 | Handle<Map> receiver_map) |
| 1674 | : temp_(temp), |
| 1675 | holder_(holder), |
| 1676 | receiver_map_(receiver_map) { } |
| 1677 | |
| 1678 | DECLARE_CONCRETE_INSTRUCTION(CheckPrototypeMaps, "check-prototype-maps") |
| 1679 | |
| 1680 | LOperand* temp() const { return temp_; } |
| 1681 | Handle<JSObject> holder() const { return holder_; } |
| 1682 | Handle<Map> receiver_map() const { return receiver_map_; } |
| 1683 | |
| 1684 | private: |
| 1685 | LOperand* temp_; |
| 1686 | Handle<JSObject> holder_; |
| 1687 | Handle<Map> receiver_map_; |
| 1688 | }; |
| 1689 | |
| 1690 | |
| 1691 | class LCheckSmi: public LUnaryOperation { |
| 1692 | public: |
| 1693 | LCheckSmi(LOperand* use, Condition condition) |
| 1694 | : LUnaryOperation(use), condition_(condition) { } |
| 1695 | |
| 1696 | Condition condition() const { return condition_; } |
| 1697 | |
| 1698 | virtual void CompileToNative(LCodeGen* generator); |
| 1699 | virtual const char* Mnemonic() const { |
| 1700 | return (condition_ == zero) ? "check-non-smi" : "check-smi"; |
| 1701 | } |
| 1702 | |
| 1703 | private: |
| 1704 | Condition condition_; |
| 1705 | }; |
| 1706 | |
| 1707 | |
| 1708 | class LMaterializedLiteral: public LInstruction { |
| 1709 | public: |
| 1710 | DECLARE_INSTRUCTION(MaterializedLiteral) |
| 1711 | }; |
| 1712 | |
| 1713 | |
| 1714 | class LArrayLiteral: public LMaterializedLiteral { |
| 1715 | public: |
| 1716 | DECLARE_CONCRETE_INSTRUCTION(ArrayLiteral, "array-literal") |
| 1717 | DECLARE_HYDROGEN_ACCESSOR(ArrayLiteral) |
| 1718 | }; |
| 1719 | |
| 1720 | |
| 1721 | class LObjectLiteral: public LMaterializedLiteral { |
| 1722 | public: |
| 1723 | DECLARE_CONCRETE_INSTRUCTION(ObjectLiteral, "object-literal") |
| 1724 | DECLARE_HYDROGEN_ACCESSOR(ObjectLiteral) |
| 1725 | }; |
| 1726 | |
| 1727 | |
| 1728 | class LRegExpLiteral: public LMaterializedLiteral { |
| 1729 | public: |
| 1730 | DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal") |
| 1731 | DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral) |
| 1732 | }; |
| 1733 | |
| 1734 | |
| 1735 | class LFunctionLiteral: public LInstruction { |
| 1736 | public: |
| 1737 | DECLARE_CONCRETE_INSTRUCTION(FunctionLiteral, "function-literal") |
| 1738 | DECLARE_HYDROGEN_ACCESSOR(FunctionLiteral) |
| 1739 | |
| 1740 | Handle<SharedFunctionInfo> shared_info() { return hydrogen()->shared_info(); } |
| 1741 | }; |
| 1742 | |
| 1743 | |
| 1744 | class LTypeof: public LUnaryOperation { |
| 1745 | public: |
| 1746 | explicit LTypeof(LOperand* input) : LUnaryOperation(input) { } |
| 1747 | |
| 1748 | DECLARE_CONCRETE_INSTRUCTION(Typeof, "typeof") |
| 1749 | }; |
| 1750 | |
| 1751 | |
| 1752 | class LTypeofIs: public LUnaryOperation { |
| 1753 | public: |
| 1754 | explicit LTypeofIs(LOperand* input) : LUnaryOperation(input) { } |
| 1755 | virtual void PrintDataTo(StringStream* stream) const; |
| 1756 | |
| 1757 | DECLARE_CONCRETE_INSTRUCTION(TypeofIs, "typeof-is") |
| 1758 | DECLARE_HYDROGEN_ACCESSOR(TypeofIs) |
| 1759 | |
| 1760 | Handle<String> type_literal() { return hydrogen()->type_literal(); } |
| 1761 | }; |
| 1762 | |
| 1763 | |
| 1764 | class LTypeofIsAndBranch: public LTypeofIs { |
| 1765 | public: |
| 1766 | LTypeofIsAndBranch(LOperand* value, |
| 1767 | int true_block_id, |
| 1768 | int false_block_id) |
| 1769 | : LTypeofIs(value), |
| 1770 | true_block_id_(true_block_id), |
| 1771 | false_block_id_(false_block_id) { } |
| 1772 | |
| 1773 | DECLARE_CONCRETE_INSTRUCTION(TypeofIsAndBranch, "typeof-is-and-branch") |
| 1774 | |
| 1775 | virtual void PrintDataTo(StringStream* stream) const; |
| 1776 | virtual bool IsControl() const { return true; } |
| 1777 | |
| 1778 | int true_block_id() const { return true_block_id_; } |
| 1779 | int false_block_id() const { return false_block_id_; } |
| 1780 | |
| 1781 | private: |
| 1782 | int true_block_id_; |
| 1783 | int false_block_id_; |
| 1784 | }; |
| 1785 | |
| 1786 | |
| 1787 | class LDeleteProperty: public LBinaryOperation { |
| 1788 | public: |
| 1789 | LDeleteProperty(LOperand* obj, LOperand* key) : LBinaryOperation(obj, key) {} |
| 1790 | |
| 1791 | DECLARE_CONCRETE_INSTRUCTION(DeleteProperty, "delete-property") |
| 1792 | |
| 1793 | LOperand* object() const { return left(); } |
| 1794 | LOperand* key() const { return right(); } |
| 1795 | }; |
| 1796 | |
| 1797 | |
| 1798 | class LOsrEntry: public LInstruction { |
| 1799 | public: |
| 1800 | LOsrEntry(); |
| 1801 | |
| 1802 | DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry") |
| 1803 | |
| 1804 | LOperand** SpilledRegisterArray() { return register_spills_; } |
| 1805 | LOperand** SpilledDoubleRegisterArray() { return double_register_spills_; } |
| 1806 | |
| 1807 | void MarkSpilledRegister(int allocation_index, LOperand* spill_operand); |
| 1808 | void MarkSpilledDoubleRegister(int allocation_index, |
| 1809 | LOperand* spill_operand); |
| 1810 | |
| 1811 | private: |
| 1812 | // Arrays of spill slot operands for registers with an assigned spill |
| 1813 | // slot, i.e., that must also be restored to the spill slot on OSR entry. |
| 1814 | // NULL if the register has no assigned spill slot. Indexed by allocation |
| 1815 | // index. |
| 1816 | LOperand* register_spills_[Register::kNumAllocatableRegisters]; |
| 1817 | LOperand* double_register_spills_[DoubleRegister::kNumAllocatableRegisters]; |
| 1818 | }; |
| 1819 | |
| 1820 | |
| 1821 | class LStackCheck: public LInstruction { |
| 1822 | public: |
| 1823 | DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check") |
| 1824 | }; |
| 1825 | |
| 1826 | |
| 1827 | class LPointerMap: public ZoneObject { |
| 1828 | public: |
| 1829 | explicit LPointerMap(int position) |
| 1830 | : pointer_operands_(8), position_(position), lithium_position_(-1) { } |
| 1831 | |
| 1832 | const ZoneList<LOperand*>* operands() const { return &pointer_operands_; } |
| 1833 | int position() const { return position_; } |
| 1834 | int lithium_position() const { return lithium_position_; } |
| 1835 | |
| 1836 | void set_lithium_position(int pos) { |
| 1837 | ASSERT(lithium_position_ == -1); |
| 1838 | lithium_position_ = pos; |
| 1839 | } |
| 1840 | |
| 1841 | void RecordPointer(LOperand* op); |
| 1842 | void PrintTo(StringStream* stream) const; |
| 1843 | |
| 1844 | private: |
| 1845 | ZoneList<LOperand*> pointer_operands_; |
| 1846 | int position_; |
| 1847 | int lithium_position_; |
| 1848 | }; |
| 1849 | |
| 1850 | |
| 1851 | class LEnvironment: public ZoneObject { |
| 1852 | public: |
| 1853 | LEnvironment(Handle<JSFunction> closure, |
| 1854 | int ast_id, |
| 1855 | int parameter_count, |
| 1856 | int argument_count, |
| 1857 | int value_count, |
| 1858 | LEnvironment* outer) |
| 1859 | : closure_(closure), |
| 1860 | arguments_stack_height_(argument_count), |
| 1861 | deoptimization_index_(Safepoint::kNoDeoptimizationIndex), |
| 1862 | translation_index_(-1), |
| 1863 | ast_id_(ast_id), |
| 1864 | parameter_count_(parameter_count), |
| 1865 | values_(value_count), |
| 1866 | representations_(value_count), |
| 1867 | spilled_registers_(NULL), |
| 1868 | spilled_double_registers_(NULL), |
| 1869 | outer_(outer) { |
| 1870 | } |
| 1871 | |
| 1872 | Handle<JSFunction> closure() const { return closure_; } |
| 1873 | int arguments_stack_height() const { return arguments_stack_height_; } |
| 1874 | int deoptimization_index() const { return deoptimization_index_; } |
| 1875 | int translation_index() const { return translation_index_; } |
| 1876 | int ast_id() const { return ast_id_; } |
| 1877 | int parameter_count() const { return parameter_count_; } |
| 1878 | const ZoneList<LOperand*>* values() const { return &values_; } |
| 1879 | LEnvironment* outer() const { return outer_; } |
| 1880 | |
| 1881 | void AddValue(LOperand* operand, Representation representation) { |
| 1882 | values_.Add(operand); |
| 1883 | representations_.Add(representation); |
| 1884 | } |
| 1885 | |
| 1886 | bool HasTaggedValueAt(int index) const { |
| 1887 | return representations_[index].IsTagged(); |
| 1888 | } |
| 1889 | |
| 1890 | void Register(int deoptimization_index, int translation_index) { |
| 1891 | ASSERT(!HasBeenRegistered()); |
| 1892 | deoptimization_index_ = deoptimization_index; |
| 1893 | translation_index_ = translation_index; |
| 1894 | } |
| 1895 | bool HasBeenRegistered() const { |
| 1896 | return deoptimization_index_ != Safepoint::kNoDeoptimizationIndex; |
| 1897 | } |
| 1898 | |
| 1899 | void SetSpilledRegisters(LOperand** registers, |
| 1900 | LOperand** double_registers) { |
| 1901 | spilled_registers_ = registers; |
| 1902 | spilled_double_registers_ = double_registers; |
| 1903 | } |
| 1904 | |
| 1905 | // Emit frame translation commands for this environment. |
| 1906 | void WriteTranslation(LCodeGen* cgen, Translation* translation) const; |
| 1907 | |
| 1908 | void PrintTo(StringStream* stream) const; |
| 1909 | |
| 1910 | private: |
| 1911 | Handle<JSFunction> closure_; |
| 1912 | int arguments_stack_height_; |
| 1913 | int deoptimization_index_; |
| 1914 | int translation_index_; |
| 1915 | int ast_id_; |
| 1916 | int parameter_count_; |
| 1917 | ZoneList<LOperand*> values_; |
| 1918 | ZoneList<Representation> representations_; |
| 1919 | |
| 1920 | // Allocation index indexed arrays of spill slot operands for registers |
| 1921 | // that are also in spill slots at an OSR entry. NULL for environments |
| 1922 | // that do not correspond to an OSR entry. |
| 1923 | LOperand** spilled_registers_; |
| 1924 | LOperand** spilled_double_registers_; |
| 1925 | |
| 1926 | LEnvironment* outer_; |
| 1927 | }; |
| 1928 | |
| 1929 | class LChunkBuilder; |
| 1930 | class LChunk: public ZoneObject { |
| 1931 | public: |
| 1932 | explicit LChunk(HGraph* graph); |
| 1933 | |
| 1934 | int AddInstruction(LInstruction* instruction, HBasicBlock* block); |
| 1935 | LConstantOperand* DefineConstantOperand(HConstant* constant); |
| 1936 | Handle<Object> LookupLiteral(LConstantOperand* operand) const; |
| 1937 | Representation LookupLiteralRepresentation(LConstantOperand* operand) const; |
| 1938 | |
| 1939 | int GetNextSpillIndex(bool is_double); |
| 1940 | LOperand* GetNextSpillSlot(bool is_double); |
| 1941 | |
| 1942 | int ParameterAt(int index); |
| 1943 | int GetParameterStackSlot(int index) const; |
| 1944 | int spill_slot_count() const { return spill_slot_count_; } |
| 1945 | HGraph* graph() const { return graph_; } |
| 1946 | const ZoneList<LInstruction*>* instructions() const { return &instructions_; } |
| 1947 | void AddGapMove(int index, LOperand* from, LOperand* to); |
| 1948 | LGap* GetGapAt(int index) const; |
| 1949 | bool IsGapAt(int index) const; |
| 1950 | int NearestGapPos(int index) const; |
| 1951 | void MarkEmptyBlocks(); |
| 1952 | const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } |
| 1953 | LLabel* GetLabel(int block_id) const { |
| 1954 | HBasicBlock* block = graph_->blocks()->at(block_id); |
| 1955 | int first_instruction = block->first_instruction_index(); |
| 1956 | return LLabel::cast(instructions_[first_instruction]); |
| 1957 | } |
| 1958 | int LookupDestination(int block_id) const { |
| 1959 | LLabel* cur = GetLabel(block_id); |
| 1960 | while (cur->replacement() != NULL) { |
| 1961 | cur = cur->replacement(); |
| 1962 | } |
| 1963 | return cur->block_id(); |
| 1964 | } |
| 1965 | Label* GetAssemblyLabel(int block_id) const { |
| 1966 | LLabel* label = GetLabel(block_id); |
| 1967 | ASSERT(!label->HasReplacement()); |
| 1968 | return label->label(); |
| 1969 | } |
| 1970 | |
| 1971 | const ZoneList<Handle<JSFunction> >* inlined_closures() const { |
| 1972 | return &inlined_closures_; |
| 1973 | } |
| 1974 | |
| 1975 | void AddInlinedClosure(Handle<JSFunction> closure) { |
| 1976 | inlined_closures_.Add(closure); |
| 1977 | } |
| 1978 | |
| 1979 | void Verify() const; |
| 1980 | |
| 1981 | private: |
| 1982 | int spill_slot_count_; |
| 1983 | HGraph* const graph_; |
| 1984 | ZoneList<LInstruction*> instructions_; |
| 1985 | ZoneList<LPointerMap*> pointer_maps_; |
| 1986 | ZoneList<Handle<JSFunction> > inlined_closures_; |
| 1987 | }; |
| 1988 | |
| 1989 | |
| 1990 | class LChunkBuilder BASE_EMBEDDED { |
| 1991 | public: |
| 1992 | LChunkBuilder(HGraph* graph, LAllocator* allocator) |
| 1993 | : chunk_(NULL), |
| 1994 | graph_(graph), |
| 1995 | status_(UNUSED), |
| 1996 | current_instruction_(NULL), |
| 1997 | current_block_(NULL), |
| 1998 | next_block_(NULL), |
| 1999 | argument_count_(0), |
| 2000 | allocator_(allocator), |
| 2001 | position_(RelocInfo::kNoPosition), |
| 2002 | instructions_pending_deoptimization_environment_(NULL), |
| 2003 | pending_deoptimization_ast_id_(AstNode::kNoNumber) { } |
| 2004 | |
| 2005 | // Build the sequence for the graph. |
| 2006 | LChunk* Build(); |
| 2007 | |
| 2008 | // Declare methods that deal with the individual node types. |
| 2009 | #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); |
| 2010 | HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) |
| 2011 | #undef DECLARE_DO |
| 2012 | |
| 2013 | private: |
| 2014 | enum Status { |
| 2015 | UNUSED, |
| 2016 | BUILDING, |
| 2017 | DONE, |
| 2018 | ABORTED |
| 2019 | }; |
| 2020 | |
| 2021 | LChunk* chunk() const { return chunk_; } |
| 2022 | HGraph* graph() const { return graph_; } |
| 2023 | |
| 2024 | bool is_unused() const { return status_ == UNUSED; } |
| 2025 | bool is_building() const { return status_ == BUILDING; } |
| 2026 | bool is_done() const { return status_ == DONE; } |
| 2027 | bool is_aborted() const { return status_ == ABORTED; } |
| 2028 | |
| 2029 | void Abort(const char* format, ...); |
| 2030 | |
| 2031 | // Methods for getting operands for Use / Define / Temp. |
| 2032 | LRegister* ToOperand(Register reg); |
| 2033 | LUnallocated* ToUnallocated(Register reg); |
| 2034 | LUnallocated* ToUnallocated(XMMRegister reg); |
| 2035 | |
| 2036 | // Methods for setting up define-use relationships. |
| 2037 | LOperand* Use(HValue* value, LUnallocated* operand); |
| 2038 | LOperand* UseFixed(HValue* value, Register fixed_register); |
| 2039 | LOperand* UseFixedDouble(HValue* value, XMMRegister fixed_register); |
| 2040 | |
| 2041 | // A value that is guaranteed to be allocated to a register. |
| 2042 | // Operand created by UseRegister is guaranteed to be live until the end of |
| 2043 | // instruction. This means that register allocator will not reuse it's |
| 2044 | // register for any other operand inside instruction. |
| 2045 | // Operand created by UseRegisterAtStart is guaranteed to be live only at |
| 2046 | // instruction start. Register allocator is free to assign the same register |
| 2047 | // to some other operand used inside instruction (i.e. temporary or |
| 2048 | // output). |
| 2049 | LOperand* UseRegister(HValue* value); |
| 2050 | LOperand* UseRegisterAtStart(HValue* value); |
| 2051 | |
| 2052 | // A value in a register that may be trashed. |
| 2053 | LOperand* UseTempRegister(HValue* value); |
| 2054 | LOperand* Use(HValue* value); |
| 2055 | LOperand* UseAtStart(HValue* value); |
| 2056 | LOperand* UseOrConstant(HValue* value); |
| 2057 | LOperand* UseOrConstantAtStart(HValue* value); |
| 2058 | LOperand* UseRegisterOrConstant(HValue* value); |
| 2059 | LOperand* UseRegisterOrConstantAtStart(HValue* value); |
| 2060 | |
| 2061 | // Methods for setting up define-use relationships. |
| 2062 | // Return the same instruction that they are passed. |
| 2063 | LInstruction* Define(LInstruction* instr, LUnallocated* result); |
| 2064 | LInstruction* Define(LInstruction* instr); |
| 2065 | LInstruction* DefineAsRegister(LInstruction* instr); |
| 2066 | LInstruction* DefineAsSpilled(LInstruction* instr, int index); |
| 2067 | LInstruction* DefineSameAsAny(LInstruction* instr); |
| 2068 | LInstruction* DefineSameAsFirst(LInstruction* instr); |
| 2069 | LInstruction* DefineFixed(LInstruction* instr, Register reg); |
| 2070 | LInstruction* DefineFixedDouble(LInstruction* instr, XMMRegister reg); |
| 2071 | LInstruction* AssignEnvironment(LInstruction* instr); |
| 2072 | LInstruction* AssignPointerMap(LInstruction* instr); |
| 2073 | |
| 2074 | enum CanDeoptimize { CAN_DEOPTIMIZE_EAGERLY, CANNOT_DEOPTIMIZE_EAGERLY }; |
| 2075 | |
| 2076 | // By default we assume that instruction sequences generated for calls |
| 2077 | // cannot deoptimize eagerly and we do not attach environment to this |
| 2078 | // instruction. |
| 2079 | LInstruction* MarkAsCall( |
| 2080 | LInstruction* instr, |
| 2081 | HInstruction* hinstr, |
| 2082 | CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY); |
| 2083 | |
| 2084 | LInstruction* SetInstructionPendingDeoptimizationEnvironment( |
| 2085 | LInstruction* instr, int ast_id); |
| 2086 | void ClearInstructionPendingDeoptimizationEnvironment(); |
| 2087 | |
| 2088 | LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env); |
| 2089 | |
| 2090 | // Temporary operand that may be a memory location. |
| 2091 | LOperand* Temp(); |
| 2092 | // Temporary operand that must be in a register. |
| 2093 | LUnallocated* TempRegister(); |
| 2094 | LOperand* FixedTemp(Register reg); |
| 2095 | LOperand* FixedTemp(XMMRegister reg); |
| 2096 | |
| 2097 | void VisitInstruction(HInstruction* current); |
| 2098 | |
| 2099 | void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block); |
| 2100 | LInstruction* DoBit(Token::Value op, HBitwiseBinaryOperation* instr); |
| 2101 | LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr); |
| 2102 | LInstruction* DoArithmeticD(Token::Value op, |
| 2103 | HArithmeticBinaryOperation* instr); |
| 2104 | LInstruction* DoArithmeticT(Token::Value op, |
| 2105 | HArithmeticBinaryOperation* instr); |
| 2106 | |
| 2107 | LChunk* chunk_; |
| 2108 | HGraph* const graph_; |
| 2109 | Status status_; |
| 2110 | HInstruction* current_instruction_; |
| 2111 | HBasicBlock* current_block_; |
| 2112 | HBasicBlock* next_block_; |
| 2113 | int argument_count_; |
| 2114 | LAllocator* allocator_; |
| 2115 | int position_; |
| 2116 | LInstruction* instructions_pending_deoptimization_environment_; |
| 2117 | int pending_deoptimization_ast_id_; |
| 2118 | |
| 2119 | DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
| 2120 | }; |
| 2121 | |
| 2122 | #undef DECLARE_HYDROGEN_ACCESSOR |
| 2123 | #undef DECLARE_INSTRUCTION |
| 2124 | #undef DECLARE_CONCRETE_INSTRUCTION |
| 2125 | |
| 2126 | } } // namespace v8::internal |
| 2127 | |
| 2128 | #endif // V8_IA32_LITHIUM_IA32_H_ |