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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_ASSEMBLER_X64_H_ | 5 #ifndef VM_ASSEMBLER_X64_H_ |
6 #define VM_ASSEMBLER_X64_H_ | 6 #define VM_ASSEMBLER_X64_H_ |
7 | 7 |
8 #ifndef VM_ASSEMBLER_H_ | 8 #ifndef VM_ASSEMBLER_H_ |
9 #error Do not include assembler_x64.h directly; use assembler.h instead. | 9 #error Do not include assembler_x64.h directly; use assembler.h instead. |
10 #endif | 10 #endif |
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664 // Issues a move instruction if 'to' is not the same as 'from'. | 664 // Issues a move instruction if 'to' is not the same as 'from'. |
665 void MoveRegister(Register to, Register from); | 665 void MoveRegister(Register to, Register from); |
666 void PopRegister(Register r); | 666 void PopRegister(Register r); |
667 | 667 |
668 // Macros accepting a pp Register argument may attempt to load values from | 668 // Macros accepting a pp Register argument may attempt to load values from |
669 // the object pool when possible. Unless you are sure that the untagged object | 669 // the object pool when possible. Unless you are sure that the untagged object |
670 // pool pointer is in another register, or that it is not available at all, | 670 // pool pointer is in another register, or that it is not available at all, |
671 // PP should be passed for pp. | 671 // PP should be passed for pp. |
672 void AddImmediate(Register reg, const Immediate& imm, Register pp); | 672 void AddImmediate(Register reg, const Immediate& imm, Register pp); |
673 void AddImmediate(const Address& address, const Immediate& imm, Register pp); | 673 void AddImmediate(const Address& address, const Immediate& imm, Register pp); |
| 674 void SubImmediate(Register reg, const Immediate& imm, Register pp); |
| 675 void SubImmediate(const Address& address, const Immediate& imm, Register pp); |
674 | 676 |
675 void Drop(intptr_t stack_elements); | 677 void Drop(intptr_t stack_elements); |
676 | 678 |
677 enum Patchability { | 679 enum Patchability { |
678 kPatchable, | 680 kPatchable, |
679 kNotPatchable, | 681 kNotPatchable, |
680 }; | 682 }; |
681 | 683 |
682 bool CanLoadImmediateFromPool(const Immediate& imm, Register pp); | 684 bool CanLoadImmediateFromPool(const Immediate& imm, Register pp); |
683 void LoadImmediate(Register reg, const Immediate& imm, Register pp); | 685 void LoadImmediate(Register reg, const Immediate& imm, Register pp); |
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1063 } | 1065 } |
1064 | 1066 |
1065 | 1067 |
1066 inline void Assembler::EmitOperandSizeOverride() { | 1068 inline void Assembler::EmitOperandSizeOverride() { |
1067 EmitUint8(0x66); | 1069 EmitUint8(0x66); |
1068 } | 1070 } |
1069 | 1071 |
1070 } // namespace dart | 1072 } // namespace dart |
1071 | 1073 |
1072 #endif // VM_ASSEMBLER_X64_H_ | 1074 #endif // VM_ASSEMBLER_X64_H_ |
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