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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_IA32_H_ | 5 #ifndef VM_ASSEMBLER_IA32_H_ |
6 #define VM_ASSEMBLER_IA32_H_ | 6 #define VM_ASSEMBLER_IA32_H_ |
7 | 7 |
8 #ifndef VM_ASSEMBLER_H_ | 8 #ifndef VM_ASSEMBLER_H_ |
9 #error Do not include assembler_ia32.h directly; use assembler.h instead. | 9 #error Do not include assembler_ia32.h directly; use assembler.h instead. |
10 #endif | 10 #endif |
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620 * Macros for High-level operations and implemented on all architectures. | 620 * Macros for High-level operations and implemented on all architectures. |
621 */ | 621 */ |
622 | 622 |
623 void CompareRegisters(Register a, Register b); | 623 void CompareRegisters(Register a, Register b); |
624 | 624 |
625 // Issues a move instruction if 'to' is not the same as 'from'. | 625 // Issues a move instruction if 'to' is not the same as 'from'. |
626 void MoveRegister(Register to, Register from); | 626 void MoveRegister(Register to, Register from); |
627 void PopRegister(Register r); | 627 void PopRegister(Register r); |
628 | 628 |
629 void AddImmediate(Register reg, const Immediate& imm); | 629 void AddImmediate(Register reg, const Immediate& imm); |
| 630 void SubImmediate(Register reg, const Immediate& imm); |
630 | 631 |
631 void Drop(intptr_t stack_elements); | 632 void Drop(intptr_t stack_elements); |
632 | 633 |
633 void LoadObject(Register dst, const Object& object); | 634 void LoadObject(Register dst, const Object& object); |
634 | 635 |
635 // If 'object' is a large Smi, xor it with a per-assembler cookie value to | 636 // If 'object' is a large Smi, xor it with a per-assembler cookie value to |
636 // prevent user-controlled immediates from appearing in the code stream. | 637 // prevent user-controlled immediates from appearing in the code stream. |
637 void LoadObjectSafely(Register dst, const Object& object); | 638 void LoadObjectSafely(Register dst, const Object& object); |
638 | 639 |
639 void PushObject(const Object& object); | 640 void PushObject(const Object& object); |
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892 } | 893 } |
893 | 894 |
894 | 895 |
895 inline void Assembler::EmitOperandSizeOverride() { | 896 inline void Assembler::EmitOperandSizeOverride() { |
896 EmitUint8(0x66); | 897 EmitUint8(0x66); |
897 } | 898 } |
898 | 899 |
899 } // namespace dart | 900 } // namespace dart |
900 | 901 |
901 #endif // VM_ASSEMBLER_IA32_H_ | 902 #endif // VM_ASSEMBLER_IA32_H_ |
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