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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions | 5 // modification, are permitted provided that the following conditions |
6 // are met: | 6 // are met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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117 | 117 |
118 void set_code(int code) { | 118 void set_code(int code) { |
119 code_ = code; | 119 code_ = code; |
120 ASSERT(is_valid()); | 120 ASSERT(is_valid()); |
121 } | 121 } |
122 | 122 |
123 // Unfortunately we can't make this private in a struct. | 123 // Unfortunately we can't make this private in a struct. |
124 int code_; | 124 int code_; |
125 }; | 125 }; |
126 | 126 |
127 const Register no_reg = { -1 }; | 127 // These constants are used in several locations, including static initializers |
| 128 const int kRegisterNoneCode = -1; |
| 129 const int kRegisterR0Code = 0; |
| 130 const int kRegisterR1Code = 1; |
| 131 const int kRegisterR2Code = 2; |
| 132 const int kRegisterR3Code = 3; |
| 133 const int kRegisterR4Code = 4; |
| 134 const int kRegisterR5Code = 5; |
| 135 const int kRegisterR6Code = 6; |
| 136 const int kRegisterR7Code = 7; |
| 137 const int kRegisterR8Code = 8; |
| 138 const int kRegisterR9Code = 9; |
| 139 const int kRegisterR10Code = 10; |
| 140 const int kRegisterFpCode = 11; |
| 141 const int kRegisterIpCode = 12; |
| 142 const int kRegisterSpCode = 13; |
| 143 const int kRegisterLrCode = 14; |
| 144 const int kRegisterPcCode = 15; |
128 | 145 |
129 const Register r0 = { 0 }; | 146 const Register no_reg = { kRegisterNoneCode }; |
130 const Register r1 = { 1 }; | 147 |
131 const Register r2 = { 2 }; | 148 const Register r0 = { kRegisterR0Code }; |
132 const Register r3 = { 3 }; | 149 const Register r1 = { kRegisterR1Code }; |
133 const Register r4 = { 4 }; | 150 const Register r2 = { kRegisterR2Code }; |
134 const Register r5 = { 5 }; | 151 const Register r3 = { kRegisterR3Code }; |
135 const Register r6 = { 6 }; | 152 const Register r4 = { kRegisterR4Code }; |
136 const Register r7 = { 7 }; | 153 const Register r5 = { kRegisterR5Code }; |
137 const Register r8 = { 8 }; // Used as context register. | 154 const Register r6 = { kRegisterR6Code }; |
138 const Register r9 = { 9 }; // Used as lithium codegen scratch register. | 155 const Register r7 = { kRegisterR7Code }; |
139 const Register r10 = { 10 }; // Used as roots register. | 156 // Used as context register. |
140 const Register fp = { 11 }; | 157 const Register r8 = { kRegisterR8Code }; |
141 const Register ip = { 12 }; | 158 // Used as lithium codegen scratch register. |
142 const Register sp = { 13 }; | 159 const Register r9 = { kRegisterR9Code }; |
143 const Register lr = { 14 }; | 160 // Used as roots register. |
144 const Register pc = { 15 }; | 161 const Register r10 = { kRegisterR10Code }; |
| 162 const Register fp = { kRegisterFpCode }; |
| 163 const Register ip = { kRegisterIpCode }; |
| 164 const Register sp = { kRegisterSpCode }; |
| 165 const Register lr = { kRegisterLrCode }; |
| 166 const Register pc = { kRegisterPcCode }; |
| 167 |
145 | 168 |
146 // Single word VFP register. | 169 // Single word VFP register. |
147 struct SwVfpRegister { | 170 struct SwVfpRegister { |
148 bool is_valid() const { return 0 <= code_ && code_ < 32; } | 171 bool is_valid() const { return 0 <= code_ && code_ < 32; } |
149 bool is(SwVfpRegister reg) const { return code_ == reg.code_; } | 172 bool is(SwVfpRegister reg) const { return code_ == reg.code_; } |
150 int code() const { | 173 int code() const { |
151 ASSERT(is_valid()); | 174 ASSERT(is_valid()); |
152 return code_; | 175 return code_; |
153 } | 176 } |
154 int bit() const { | 177 int bit() const { |
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1413 public: | 1436 public: |
1414 explicit EnsureSpace(Assembler* assembler) { | 1437 explicit EnsureSpace(Assembler* assembler) { |
1415 assembler->CheckBuffer(); | 1438 assembler->CheckBuffer(); |
1416 } | 1439 } |
1417 }; | 1440 }; |
1418 | 1441 |
1419 | 1442 |
1420 } } // namespace v8::internal | 1443 } } // namespace v8::internal |
1421 | 1444 |
1422 #endif // V8_ARM_ASSEMBLER_ARM_H_ | 1445 #endif // V8_ARM_ASSEMBLER_ARM_H_ |
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