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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_ | 5 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_ |
6 #define V8_X64_MACRO_ASSEMBLER_X64_H_ | 6 #define V8_X64_MACRO_ASSEMBLER_X64_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/bailout-reason.h" | 9 #include "src/bailout-reason.h" |
10 #include "src/frames.h" | 10 #include "src/frames.h" |
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840 void Cmp(const Operand& dst, Smi* src); | 840 void Cmp(const Operand& dst, Smi* src); |
841 void Push(Handle<Object> source); | 841 void Push(Handle<Object> source); |
842 | 842 |
843 // Load a heap object and handle the case of new-space objects by | 843 // Load a heap object and handle the case of new-space objects by |
844 // indirecting via a global cell. | 844 // indirecting via a global cell. |
845 void MoveHeapObject(Register result, Handle<Object> object); | 845 void MoveHeapObject(Register result, Handle<Object> object); |
846 | 846 |
847 // Load a global cell into a register. | 847 // Load a global cell into a register. |
848 void LoadGlobalCell(Register dst, Handle<Cell> cell); | 848 void LoadGlobalCell(Register dst, Handle<Cell> cell); |
849 | 849 |
850 // Compare the given value and the value of weak cell. | |
851 void CmpWeakValue(Register value, Handle<WeakCell> cell, Register scratch); | |
852 | |
853 // Load the value of the weak cell in the value register. Branch to the given | |
854 // miss label if the weak cell was cleared. | |
855 void LoadWeakValue(Register value, Handle<WeakCell> cell, Label* miss); | |
856 | |
857 // Emit code to discard a non-negative number of pointer-sized elements | 850 // Emit code to discard a non-negative number of pointer-sized elements |
858 // from the stack, clobbering only the rsp register. | 851 // from the stack, clobbering only the rsp register. |
859 void Drop(int stack_elements); | 852 void Drop(int stack_elements); |
860 // Emit code to discard a positive number of pointer-sized elements | 853 // Emit code to discard a positive number of pointer-sized elements |
861 // from the stack under the return address which remains on the top, | 854 // from the stack under the return address which remains on the top, |
862 // clobbering the rsp register. | 855 // clobbering the rsp register. |
863 void DropUnderReturnAddress(int stack_elements, | 856 void DropUnderReturnAddress(int stack_elements, |
864 Register scratch = kScratchRegister); | 857 Register scratch = kScratchRegister); |
865 | 858 |
866 void Call(Label* target) { call(target); } | 859 void Call(Label* target) { call(target); } |
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1652 masm->popfq(); \ | 1645 masm->popfq(); \ |
1653 } \ | 1646 } \ |
1654 masm-> | 1647 masm-> |
1655 #else | 1648 #else |
1656 #define ACCESS_MASM(masm) masm-> | 1649 #define ACCESS_MASM(masm) masm-> |
1657 #endif | 1650 #endif |
1658 | 1651 |
1659 } } // namespace v8::internal | 1652 } } // namespace v8::internal |
1660 | 1653 |
1661 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 1654 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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