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Issue 1906823002: Move of the type feedback vector to the closure. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: REBASE. Created 4 years, 6 months ago
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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-assembler.h" 5 #include "src/interpreter/interpreter-assembler.h"
6 6
7 #include <limits> 7 #include <limits>
8 #include <ostream> 8 #include <ostream>
9 9
10 #include "src/code-factory.h" 10 #include "src/code-factory.h"
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387 Node* InterpreterAssembler::StoreContextSlot(Node* context, Node* slot_index, 387 Node* InterpreterAssembler::StoreContextSlot(Node* context, Node* slot_index,
388 Node* value) { 388 Node* value) {
389 Node* offset = 389 Node* offset =
390 IntPtrAdd(WordShl(slot_index, kPointerSizeLog2), 390 IntPtrAdd(WordShl(slot_index, kPointerSizeLog2),
391 IntPtrConstant(Context::kHeaderSize - kHeapObjectTag)); 391 IntPtrConstant(Context::kHeaderSize - kHeapObjectTag));
392 return Store(MachineRepresentation::kTagged, context, offset, value); 392 return Store(MachineRepresentation::kTagged, context, offset, value);
393 } 393 }
394 394
395 Node* InterpreterAssembler::LoadTypeFeedbackVector() { 395 Node* InterpreterAssembler::LoadTypeFeedbackVector() {
396 Node* function = LoadRegister(Register::function_closure()); 396 Node* function = LoadRegister(Register::function_closure());
397 Node* shared_info = 397 Node* literals = LoadObjectField(function, JSFunction::kLiteralsOffset);
398 LoadObjectField(function, JSFunction::kSharedFunctionInfoOffset);
399 Node* vector = 398 Node* vector =
400 LoadObjectField(shared_info, SharedFunctionInfo::kFeedbackVectorOffset); 399 LoadObjectField(literals, LiteralsArray::kFeedbackVectorOffset);
401 return vector; 400 return vector;
402 } 401 }
403 402
404 void InterpreterAssembler::CallPrologue() { 403 void InterpreterAssembler::CallPrologue() {
405 StoreRegister(SmiTag(BytecodeOffset()), Register::bytecode_offset()); 404 StoreRegister(SmiTag(BytecodeOffset()), Register::bytecode_offset());
406 405
407 if (FLAG_debug_code && !disable_stack_check_across_call_) { 406 if (FLAG_debug_code && !disable_stack_check_across_call_) {
408 DCHECK(stack_pointer_before_call_ == nullptr); 407 DCHECK(stack_pointer_before_call_ == nullptr);
409 stack_pointer_before_call_ = LoadStackPointer(); 408 stack_pointer_before_call_ = LoadStackPointer();
410 } 409 }
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762 Goto(&loop); 761 Goto(&loop);
763 } 762 }
764 Bind(&done_loop); 763 Bind(&done_loop);
765 764
766 return array; 765 return array;
767 } 766 }
768 767
769 } // namespace interpreter 768 } // namespace interpreter
770 } // namespace internal 769 } // namespace internal
771 } // namespace v8 770 } // namespace v8
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