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1 // Copyright (c) 2011, 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_CONSTANTS_X64_H_ | 5 #ifndef VM_CONSTANTS_X64_H_ |
6 #define VM_CONSTANTS_X64_H_ | 6 #define VM_CONSTANTS_X64_H_ |
7 | 7 |
8 namespace dart { | 8 namespace dart { |
9 | 9 |
10 enum Register { | 10 enum Register { |
11 RAX = 0, | 11 RAX = 0, |
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57 XMM11 = 11, | 57 XMM11 = 11, |
58 XMM12 = 12, | 58 XMM12 = 12, |
59 XMM13 = 13, | 59 XMM13 = 13, |
60 XMM14 = 14, | 60 XMM14 = 14, |
61 XMM15 = 15, | 61 XMM15 = 15, |
62 kNumberOfXmmRegisters = 16, | 62 kNumberOfXmmRegisters = 16, |
63 kNoXmmRegister = -1 // Signals an illegal register. | 63 kNoXmmRegister = -1 // Signals an illegal register. |
64 }; | 64 }; |
65 | 65 |
66 | 66 |
| 67 // Architecture independent aliases. |
| 68 typedef XmmRegister FpuRegister; |
| 69 const FpuRegister FpuTMP = XMM0; |
| 70 const int kNumberOfFpuRegisters = kNumberOfXmmRegisters; |
| 71 |
| 72 |
67 enum RexBits { | 73 enum RexBits { |
68 REX_NONE = 0, | 74 REX_NONE = 0, |
69 REX_B = 1 << 0, | 75 REX_B = 1 << 0, |
70 REX_X = 1 << 1, | 76 REX_X = 1 << 1, |
71 REX_R = 1 << 2, | 77 REX_R = 1 << 2, |
72 REX_W = 1 << 3, | 78 REX_W = 1 << 3, |
73 REX_PREFIX = 1 << 6 | 79 REX_PREFIX = 1 << 6 |
74 }; | 80 }; |
75 | 81 |
76 | 82 |
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149 }; | 155 }; |
150 | 156 |
151 | 157 |
152 // The largest multibyte nop we will emit. This could go up to 15 if it | 158 // The largest multibyte nop we will emit. This could go up to 15 if it |
153 // becomes important to us. | 159 // becomes important to us. |
154 const int MAX_NOP_SIZE = 8; | 160 const int MAX_NOP_SIZE = 8; |
155 | 161 |
156 } // namespace dart | 162 } // namespace dart |
157 | 163 |
158 #endif // VM_CONSTANTS_X64_H_ | 164 #endif // VM_CONSTANTS_X64_H_ |
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