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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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364 | 364 |
365 Node* InterpreterAssembler::LoadConstantPoolEntry(Node* index) { | 365 Node* InterpreterAssembler::LoadConstantPoolEntry(Node* index) { |
366 Node* constant_pool = LoadObjectField(BytecodeArrayTaggedPointer(), | 366 Node* constant_pool = LoadObjectField(BytecodeArrayTaggedPointer(), |
367 BytecodeArray::kConstantPoolOffset); | 367 BytecodeArray::kConstantPoolOffset); |
368 Node* entry_offset = | 368 Node* entry_offset = |
369 IntPtrAdd(IntPtrConstant(FixedArray::kHeaderSize - kHeapObjectTag), | 369 IntPtrAdd(IntPtrConstant(FixedArray::kHeaderSize - kHeapObjectTag), |
370 WordShl(index, kPointerSizeLog2)); | 370 WordShl(index, kPointerSizeLog2)); |
371 return Load(MachineType::AnyTagged(), constant_pool, entry_offset); | 371 return Load(MachineType::AnyTagged(), constant_pool, entry_offset); |
372 } | 372 } |
373 | 373 |
374 Node* InterpreterAssembler::LoadObjectField(Node* object, int offset) { | |
375 return Load(MachineType::AnyTagged(), object, | |
376 IntPtrConstant(offset - kHeapObjectTag)); | |
377 } | |
378 | |
379 Node* InterpreterAssembler::LoadContextSlot(Node* context, int slot_index) { | 374 Node* InterpreterAssembler::LoadContextSlot(Node* context, int slot_index) { |
380 return Load(MachineType::AnyTagged(), context, | 375 return Load(MachineType::AnyTagged(), context, |
381 IntPtrConstant(Context::SlotOffset(slot_index))); | 376 IntPtrConstant(Context::SlotOffset(slot_index))); |
382 } | 377 } |
383 | 378 |
384 Node* InterpreterAssembler::LoadContextSlot(Node* context, Node* slot_index) { | 379 Node* InterpreterAssembler::LoadContextSlot(Node* context, Node* slot_index) { |
385 Node* offset = | 380 Node* offset = |
386 IntPtrAdd(WordShl(slot_index, kPointerSizeLog2), | 381 IntPtrAdd(WordShl(slot_index, kPointerSizeLog2), |
387 IntPtrConstant(Context::kHeaderSize - kHeapObjectTag)); | 382 IntPtrConstant(Context::kHeaderSize - kHeapObjectTag)); |
388 return Load(MachineType::AnyTagged(), context, offset); | 383 return Load(MachineType::AnyTagged(), context, offset); |
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709 V8_TARGET_ARCH_S390 | 704 V8_TARGET_ARCH_S390 |
710 return true; | 705 return true; |
711 #else | 706 #else |
712 #error "Unknown Architecture" | 707 #error "Unknown Architecture" |
713 #endif | 708 #endif |
714 } | 709 } |
715 | 710 |
716 } // namespace interpreter | 711 } // namespace interpreter |
717 } // namespace internal | 712 } // namespace internal |
718 } // namespace v8 | 713 } // namespace v8 |
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