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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/interpreter.h" | 5 #include "src/interpreter/interpreter.h" |
6 | 6 |
7 #include <fstream> | 7 #include <fstream> |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "src/ast/prettyprinter.h" | 10 #include "src/ast/prettyprinter.h" |
11 #include "src/builtins/builtins-arguments.h" | 11 #include "src/builtins/builtins-arguments.h" |
12 #include "src/builtins/builtins-constructor.h" | 12 #include "src/builtins/builtins-constructor.h" |
13 #include "src/code-factory.h" | 13 #include "src/code-factory.h" |
14 #include "src/compilation-info.h" | 14 #include "src/compilation-info.h" |
15 #include "src/compiler.h" | 15 #include "src/compiler.h" |
16 #include "src/factory.h" | 16 #include "src/factory.h" |
17 #include "src/ic/accessor-assembler.h" | |
17 #include "src/interpreter/bytecode-flags.h" | 18 #include "src/interpreter/bytecode-flags.h" |
18 #include "src/interpreter/bytecode-generator.h" | 19 #include "src/interpreter/bytecode-generator.h" |
19 #include "src/interpreter/bytecodes.h" | 20 #include "src/interpreter/bytecodes.h" |
20 #include "src/interpreter/interpreter-assembler.h" | 21 #include "src/interpreter/interpreter-assembler.h" |
21 #include "src/interpreter/interpreter-intrinsics.h" | 22 #include "src/interpreter/interpreter-intrinsics.h" |
22 #include "src/log.h" | 23 #include "src/log.h" |
23 #include "src/zone/zone.h" | 24 #include "src/zone/zone.h" |
24 | 25 |
25 namespace v8 { | 26 namespace v8 { |
26 namespace internal { | 27 namespace internal { |
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451 // | 452 // |
452 // Stores the value of register <src> to register <dst>. | 453 // Stores the value of register <src> to register <dst>. |
453 void Interpreter::DoMov(InterpreterAssembler* assembler) { | 454 void Interpreter::DoMov(InterpreterAssembler* assembler) { |
454 Node* src_index = __ BytecodeOperandReg(0); | 455 Node* src_index = __ BytecodeOperandReg(0); |
455 Node* src_value = __ LoadRegister(src_index); | 456 Node* src_value = __ LoadRegister(src_index); |
456 Node* dst_index = __ BytecodeOperandReg(1); | 457 Node* dst_index = __ BytecodeOperandReg(1); |
457 __ StoreRegister(src_value, dst_index); | 458 __ StoreRegister(src_value, dst_index); |
458 __ Dispatch(); | 459 __ Dispatch(); |
459 } | 460 } |
460 | 461 |
461 Node* Interpreter::BuildLoadGlobal(Callable ic, Node* context, Node* name_index, | 462 void Interpreter::BuildLoadGlobal(int slot_index, int name_index_index, |
rmcilroy
2017/02/09 10:30:44
name_index_index? ;) How about name_operand_index?
jgruber
2017/02/09 11:40:32
I liked name_index_index because it implies that t
| |
462 Node* feedback_slot, | 463 TypeofMode typeof_mode, |
463 InterpreterAssembler* assembler) { | 464 InterpreterAssembler* assembler) { |
464 // Load the global via the LoadGlobalIC. | 465 // Load the global via the LoadGlobalIC. |
465 Node* code_target = __ HeapConstant(ic.code()); | |
466 Node* name = __ LoadConstantPoolEntry(name_index); | |
467 Node* smi_slot = __ SmiTag(feedback_slot); | |
468 Node* feedback_vector = __ LoadFeedbackVector(); | 466 Node* feedback_vector = __ LoadFeedbackVector(); |
469 return __ CallStub(ic.descriptor(), code_target, context, name, smi_slot, | 467 Node* feedback_slot = __ BytecodeOperandIdx(slot_index); |
470 feedback_vector); | 468 |
469 AccessorAssembler accessor_asm(assembler->state()); | |
470 | |
471 Label try_handler(assembler, Label::kDeferred), | |
472 miss(assembler, Label::kDeferred); | |
473 | |
474 // Fast path without frame construction for the data case. | |
475 { | |
476 Label done(assembler); | |
477 Variable var_result(assembler, MachineRepresentation::kTagged); | |
478 ExitPoint exit_point(assembler, &done, &var_result); | |
479 | |
480 accessor_asm.LoadGlobalIC_TryPropertyCellCase( | |
481 feedback_vector, feedback_slot, &exit_point, &try_handler, &miss, | |
482 CodeStubAssembler::INTPTR_PARAMETERS); | |
483 | |
484 __ Bind(&done); | |
485 __ SetAccumulator(var_result.value()); | |
486 __ Dispatch(); | |
487 } | |
488 | |
489 // Slow path with frame construction. | |
490 { | |
491 Label done(assembler); | |
492 Variable var_result(assembler, MachineRepresentation::kTagged); | |
493 ExitPoint exit_point(assembler, &done, &var_result); | |
494 | |
495 __ Bind(&try_handler); | |
496 { | |
497 Node* context = __ GetContext(); | |
498 Node* smi_slot = __ SmiTag(feedback_slot); | |
499 Node* name_index = __ BytecodeOperandIdx(name_index_index); | |
500 Node* name = __ LoadConstantPoolEntry(name_index); | |
501 | |
502 AccessorAssembler::LoadICParameters params(context, nullptr, name, | |
503 smi_slot, feedback_vector); | |
504 accessor_asm.LoadGlobalIC_TryHandlerCase(¶ms, typeof_mode, | |
505 &exit_point, &miss); | |
506 } | |
507 | |
508 __ Bind(&miss); | |
509 { | |
510 Node* context = __ GetContext(); | |
511 Node* smi_slot = __ SmiTag(feedback_slot); | |
512 Node* name_index = __ BytecodeOperandIdx(name_index_index); | |
513 Node* name = __ LoadConstantPoolEntry(name_index); | |
514 | |
515 AccessorAssembler::LoadICParameters params(context, nullptr, name, | |
516 smi_slot, feedback_vector); | |
517 accessor_asm.LoadGlobalIC_MissCase(¶ms, &exit_point); | |
518 } | |
519 | |
520 __ Bind(&done); | |
521 { | |
522 __ SetAccumulator(var_result.value()); | |
523 __ Dispatch(); | |
524 } | |
525 } | |
471 } | 526 } |
472 | 527 |
473 // LdaGlobal <name_index> <slot> | 528 // LdaGlobal <name_index> <slot> |
474 // | 529 // |
475 // Load the global with name in constant pool entry <name_index> into the | 530 // Load the global with name in constant pool entry <name_index> into the |
476 // accumulator using FeedBackVector slot <slot> outside of a typeof. | 531 // accumulator using FeedBackVector slot <slot> outside of a typeof. |
477 void Interpreter::DoLdaGlobal(InterpreterAssembler* assembler) { | 532 void Interpreter::DoLdaGlobal(InterpreterAssembler* assembler) { |
478 Callable ic = | 533 static const int kNameIndexIndex = 0; |
479 CodeFactory::LoadGlobalICInOptimizedCode(isolate_, NOT_INSIDE_TYPEOF); | 534 static const int kSlotIndex = 1; |
480 | 535 |
481 Node* context = __ GetContext(); | 536 BuildLoadGlobal(kSlotIndex, kNameIndexIndex, NOT_INSIDE_TYPEOF, assembler); |
482 | |
483 Node* name_index = __ BytecodeOperandIdx(0); | |
484 Node* raw_slot = __ BytecodeOperandIdx(1); | |
485 Node* result = BuildLoadGlobal(ic, context, name_index, raw_slot, assembler); | |
486 __ SetAccumulator(result); | |
487 __ Dispatch(); | |
488 } | 537 } |
489 | 538 |
490 // LdaGlobalInsideTypeof <name_index> <slot> | 539 // LdaGlobalInsideTypeof <name_index> <slot> |
491 // | 540 // |
492 // Load the global with name in constant pool entry <name_index> into the | 541 // Load the global with name in constant pool entry <name_index> into the |
493 // accumulator using FeedBackVector slot <slot> inside of a typeof. | 542 // accumulator using FeedBackVector slot <slot> inside of a typeof. |
494 void Interpreter::DoLdaGlobalInsideTypeof(InterpreterAssembler* assembler) { | 543 void Interpreter::DoLdaGlobalInsideTypeof(InterpreterAssembler* assembler) { |
495 Callable ic = | 544 static const int kNameIndexIndex = 0; |
496 CodeFactory::LoadGlobalICInOptimizedCode(isolate_, INSIDE_TYPEOF); | 545 static const int kSlotIndex = 1; |
497 | 546 |
498 Node* context = __ GetContext(); | 547 BuildLoadGlobal(kSlotIndex, kNameIndexIndex, INSIDE_TYPEOF, assembler); |
499 | |
500 Node* name_index = __ BytecodeOperandIdx(0); | |
501 Node* raw_slot = __ BytecodeOperandIdx(1); | |
502 Node* result = BuildLoadGlobal(ic, context, name_index, raw_slot, assembler); | |
503 __ SetAccumulator(result); | |
504 __ Dispatch(); | |
505 } | 548 } |
506 | 549 |
507 void Interpreter::DoStaGlobal(Callable ic, InterpreterAssembler* assembler) { | 550 void Interpreter::DoStaGlobal(Callable ic, InterpreterAssembler* assembler) { |
508 // Get the global object. | 551 // Get the global object. |
509 Node* context = __ GetContext(); | 552 Node* context = __ GetContext(); |
510 Node* native_context = __ LoadNativeContext(context); | 553 Node* native_context = __ LoadNativeContext(context); |
511 Node* global = | 554 Node* global = |
512 __ LoadContextElement(native_context, Context::EXTENSION_INDEX); | 555 __ LoadContextElement(native_context, Context::EXTENSION_INDEX); |
513 | 556 |
514 // Store the global via the StoreIC. | 557 // Store the global via the StoreIC. |
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682 // Lookup the object with the name in constant pool entry |name_index| | 725 // Lookup the object with the name in constant pool entry |name_index| |
683 // dynamically without causing a NoReferenceError. | 726 // dynamically without causing a NoReferenceError. |
684 void Interpreter::DoLdaLookupContextSlotInsideTypeof( | 727 void Interpreter::DoLdaLookupContextSlotInsideTypeof( |
685 InterpreterAssembler* assembler) { | 728 InterpreterAssembler* assembler) { |
686 DoLdaLookupContextSlot(Runtime::kLoadLookupSlotInsideTypeof, assembler); | 729 DoLdaLookupContextSlot(Runtime::kLoadLookupSlotInsideTypeof, assembler); |
687 } | 730 } |
688 | 731 |
689 void Interpreter::DoLdaLookupGlobalSlot(Runtime::FunctionId function_id, | 732 void Interpreter::DoLdaLookupGlobalSlot(Runtime::FunctionId function_id, |
690 InterpreterAssembler* assembler) { | 733 InterpreterAssembler* assembler) { |
691 Node* context = __ GetContext(); | 734 Node* context = __ GetContext(); |
692 Node* name_index = __ BytecodeOperandIdx(0); | |
693 Node* feedback_slot = __ BytecodeOperandIdx(1); | |
694 Node* depth = __ BytecodeOperandUImm(2); | 735 Node* depth = __ BytecodeOperandUImm(2); |
695 | 736 |
696 Label slowpath(assembler, Label::kDeferred); | 737 Label slowpath(assembler, Label::kDeferred); |
697 | 738 |
698 // Check for context extensions to allow the fast path | 739 // Check for context extensions to allow the fast path |
699 __ GotoIfHasContextExtensionUpToDepth(context, depth, &slowpath); | 740 __ GotoIfHasContextExtensionUpToDepth(context, depth, &slowpath); |
700 | 741 |
701 // Fast path does a normal load global | 742 // Fast path does a normal load global |
702 { | 743 { |
703 Callable ic = CodeFactory::LoadGlobalICInOptimizedCode( | 744 static const int kNameIndexIndex = 0; |
704 isolate_, function_id == Runtime::kLoadLookupSlotInsideTypeof | 745 static const int kSlotIndex = 1; |
705 ? INSIDE_TYPEOF | 746 |
706 : NOT_INSIDE_TYPEOF); | 747 TypeofMode typeof_mode = function_id == Runtime::kLoadLookupSlotInsideTypeof |
707 Node* result = | 748 ? INSIDE_TYPEOF |
708 BuildLoadGlobal(ic, context, name_index, feedback_slot, assembler); | 749 : NOT_INSIDE_TYPEOF; |
709 __ SetAccumulator(result); | 750 |
710 __ Dispatch(); | 751 BuildLoadGlobal(kSlotIndex, kNameIndexIndex, typeof_mode, assembler); |
711 } | 752 } |
712 | 753 |
713 // Slow path when we have to call out to the runtime | 754 // Slow path when we have to call out to the runtime |
714 __ Bind(&slowpath); | 755 __ Bind(&slowpath); |
715 { | 756 { |
757 Node* name_index = __ BytecodeOperandIdx(0); | |
716 Node* name = __ LoadConstantPoolEntry(name_index); | 758 Node* name = __ LoadConstantPoolEntry(name_index); |
717 Node* result = __ CallRuntime(function_id, context, name); | 759 Node* result = __ CallRuntime(function_id, context, name); |
718 __ SetAccumulator(result); | 760 __ SetAccumulator(result); |
719 __ Dispatch(); | 761 __ Dispatch(); |
720 } | 762 } |
721 } | 763 } |
722 | 764 |
723 // LdaLookupGlobalSlot <name_index> <feedback_slot> <depth> | 765 // LdaLookupGlobalSlot <name_index> <feedback_slot> <depth> |
724 // | 766 // |
725 // Lookup the object with the name in constant pool entry |name_index| | 767 // Lookup the object with the name in constant pool entry |name_index| |
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3325 __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset, | 3367 __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset, |
3326 __ SmiTag(new_state)); | 3368 __ SmiTag(new_state)); |
3327 __ SetAccumulator(old_state); | 3369 __ SetAccumulator(old_state); |
3328 | 3370 |
3329 __ Dispatch(); | 3371 __ Dispatch(); |
3330 } | 3372 } |
3331 | 3373 |
3332 } // namespace interpreter | 3374 } // namespace interpreter |
3333 } // namespace internal | 3375 } // namespace internal |
3334 } // namespace v8 | 3376 } // namespace v8 |
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