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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 are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // 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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1246 static const int kMaxRelocSize = RelocInfoWriter::kMaxSize; | 1246 static const int kMaxRelocSize = RelocInfoWriter::kMaxSize; |
1247 RelocInfoWriter reloc_info_writer; | 1247 RelocInfoWriter reloc_info_writer; |
1248 | 1248 |
1249 // The bound position, before this we cannot do instruction elimination. | 1249 // The bound position, before this we cannot do instruction elimination. |
1250 int last_bound_pos_; | 1250 int last_bound_pos_; |
1251 | 1251 |
1252 // Code emission. | 1252 // Code emission. |
1253 inline void CheckBuffer(); | 1253 inline void CheckBuffer(); |
1254 void GrowBuffer(); | 1254 void GrowBuffer(); |
1255 inline void emit(Instr x); | 1255 inline void emit(Instr x); |
1256 inline void CheckTrampolinePoolQuick(); | 1256 inline void CheckTrampolinePoolQuick(int extra_instructions = 0); |
1257 | 1257 |
1258 // Instruction generation. | 1258 // Instruction generation. |
1259 // We have 3 different kind of encoding layout on MIPS. | 1259 // We have 3 different kind of encoding layout on MIPS. |
1260 // However due to many different types of objects encoded in the same fields | 1260 // However due to many different types of objects encoded in the same fields |
1261 // we have quite a few aliases for each mode. | 1261 // we have quite a few aliases for each mode. |
1262 // Using the same structure to refer to Register and FPURegister would spare a | 1262 // Using the same structure to refer to Register and FPURegister would spare a |
1263 // few aliases, but mixing both does not look clean to me. | 1263 // few aliases, but mixing both does not look clean to me. |
1264 // Anyway we could surely implement this differently. | 1264 // Anyway we could surely implement this differently. |
1265 | 1265 |
1266 void GenInstrRegister(Opcode opcode, | 1266 void GenInstrRegister(Opcode opcode, |
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1414 class EnsureSpace BASE_EMBEDDED { | 1414 class EnsureSpace BASE_EMBEDDED { |
1415 public: | 1415 public: |
1416 explicit EnsureSpace(Assembler* assembler) { | 1416 explicit EnsureSpace(Assembler* assembler) { |
1417 assembler->CheckBuffer(); | 1417 assembler->CheckBuffer(); |
1418 } | 1418 } |
1419 }; | 1419 }; |
1420 | 1420 |
1421 } } // namespace v8::internal | 1421 } } // namespace v8::internal |
1422 | 1422 |
1423 #endif // V8_ARM_ASSEMBLER_MIPS_H_ | 1423 #endif // V8_ARM_ASSEMBLER_MIPS_H_ |
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