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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_CONSTANTS_ARM_H_ | 5 #ifndef VM_CONSTANTS_ARM_H_ |
6 #define VM_CONSTANTS_ARM_H_ | 6 #define VM_CONSTANTS_ARM_H_ |
7 | 7 |
8 #include "platform/assert.h" | 8 #include "platform/assert.h" |
9 | 9 |
10 namespace dart { | 10 namespace dart { |
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186 const SRegister STMP = EvenSRegisterOf(DTMP); | 186 const SRegister STMP = EvenSRegisterOf(DTMP); |
187 | 187 |
188 // Architecture independent aliases. | 188 // Architecture independent aliases. |
189 typedef QRegister FpuRegister; | 189 typedef QRegister FpuRegister; |
190 const FpuRegister FpuTMP = QTMP; | 190 const FpuRegister FpuTMP = QTMP; |
191 const int kNumberOfFpuRegisters = kNumberOfQRegisters; | 191 const int kNumberOfFpuRegisters = kNumberOfQRegisters; |
192 const FpuRegister kNoFpuRegister = kNoQRegister; | 192 const FpuRegister kNoFpuRegister = kNoQRegister; |
193 | 193 |
194 // Register aliases. | 194 // Register aliases. |
195 const Register TMP = IP; // Used as scratch register by assembler. | 195 const Register TMP = IP; // Used as scratch register by assembler. |
| 196 const Register TMP2 = kNoRegister; // There is no second assembler temporary. |
196 const Register CTX = R9; // Caches current context in generated code. | 197 const Register CTX = R9; // Caches current context in generated code. |
197 const Register PP = R10; // Caches object pool pointer in generated code. | 198 const Register PP = R10; // Caches object pool pointer in generated code. |
198 const Register SPREG = SP; // Stack pointer register. | 199 const Register SPREG = SP; // Stack pointer register. |
199 const Register FPREG = FP; // Frame pointer register. | 200 const Register FPREG = FP; // Frame pointer register. |
200 const Register ICREG = R5; // IC data register. | 201 const Register ICREG = R5; // IC data register. |
201 | 202 |
202 // Exception object is passed in this register to the catch handlers when an | 203 // Exception object is passed in this register to the catch handlers when an |
203 // exception is thrown. | 204 // exception is thrown. |
204 const Register kExceptionObjectReg = R0; | 205 const Register kExceptionObjectReg = R0; |
205 | 206 |
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658 static Instr* At(uword pc) { return reinterpret_cast<Instr*>(pc); } | 659 static Instr* At(uword pc) { return reinterpret_cast<Instr*>(pc); } |
659 | 660 |
660 private: | 661 private: |
661 DISALLOW_ALLOCATION(); | 662 DISALLOW_ALLOCATION(); |
662 DISALLOW_IMPLICIT_CONSTRUCTORS(Instr); | 663 DISALLOW_IMPLICIT_CONSTRUCTORS(Instr); |
663 }; | 664 }; |
664 | 665 |
665 } // namespace dart | 666 } // namespace dart |
666 | 667 |
667 #endif // VM_CONSTANTS_ARM_H_ | 668 #endif // VM_CONSTANTS_ARM_H_ |
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