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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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167 | 167 |
168 | 168 |
169 // Single word VFP register. | 169 // Single word VFP register. |
170 struct SwVfpRegister { | 170 struct SwVfpRegister { |
171 bool is_valid() const { return 0 <= code_ && code_ < 32; } | 171 bool is_valid() const { return 0 <= code_ && code_ < 32; } |
172 bool is(SwVfpRegister reg) const { return code_ == reg.code_; } | 172 bool is(SwVfpRegister reg) const { return code_ == reg.code_; } |
173 int code() const { | 173 int code() const { |
174 ASSERT(is_valid()); | 174 ASSERT(is_valid()); |
175 return code_; | 175 return code_; |
176 } | 176 } |
| 177 static SwVfpRegister from_code(int code) { |
| 178 SwVfpRegister r = { code }; |
| 179 return r; |
| 180 } |
177 int bit() const { | 181 int bit() const { |
178 ASSERT(is_valid()); | 182 ASSERT(is_valid()); |
179 return 1 << code_; | 183 return 1 << code_; |
180 } | 184 } |
181 void split_code(int* vm, int* m) const { | 185 void split_code(int* vm, int* m) const { |
182 ASSERT(is_valid()); | 186 ASSERT(is_valid()); |
183 *m = code_ & 0x1; | 187 *m = code_ & 0x1; |
184 *vm = code_ >> 1; | 188 *vm = code_ >> 1; |
185 } | 189 } |
186 | 190 |
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1467 public: | 1471 public: |
1468 explicit EnsureSpace(Assembler* assembler) { | 1472 explicit EnsureSpace(Assembler* assembler) { |
1469 assembler->CheckBuffer(); | 1473 assembler->CheckBuffer(); |
1470 } | 1474 } |
1471 }; | 1475 }; |
1472 | 1476 |
1473 | 1477 |
1474 } } // namespace v8::internal | 1478 } } // namespace v8::internal |
1475 | 1479 |
1476 #endif // V8_ARM_ASSEMBLER_ARM_H_ | 1480 #endif // V8_ARM_ASSEMBLER_ARM_H_ |
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