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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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32 | 32 |
33 #include "deoptimizer.h" | 33 #include "deoptimizer.h" |
34 #include "safepoint-table.h" | 34 #include "safepoint-table.h" |
35 #include "scopes.h" | 35 #include "scopes.h" |
36 | 36 |
37 namespace v8 { | 37 namespace v8 { |
38 namespace internal { | 38 namespace internal { |
39 | 39 |
40 // Forward declarations. | 40 // Forward declarations. |
41 class LDeferredCode; | 41 class LDeferredCode; |
| 42 class LGapNode; |
42 class SafepointGenerator; | 43 class SafepointGenerator; |
43 | 44 |
| 45 class LGapResolver BASE_EMBEDDED { |
| 46 public: |
| 47 LGapResolver(); |
| 48 const ZoneList<LMoveOperands>* Resolve(const ZoneList<LMoveOperands>* moves, |
| 49 LOperand* marker_operand); |
| 50 |
| 51 private: |
| 52 LGapNode* LookupNode(LOperand* operand); |
| 53 bool CanReach(LGapNode* a, LGapNode* b, int visited_id); |
| 54 bool CanReach(LGapNode* a, LGapNode* b); |
| 55 void RegisterMove(LMoveOperands move); |
| 56 void AddResultMove(LOperand* from, LOperand* to); |
| 57 void AddResultMove(LGapNode* from, LGapNode* to); |
| 58 void ResolveCycle(LGapNode* start, LOperand* marker_operand); |
| 59 |
| 60 ZoneList<LGapNode*> nodes_; |
| 61 ZoneList<LGapNode*> identified_cycles_; |
| 62 ZoneList<LMoveOperands> result_; |
| 63 int next_visited_id_; |
| 64 }; |
| 65 |
44 | 66 |
45 class LCodeGen BASE_EMBEDDED { | 67 class LCodeGen BASE_EMBEDDED { |
46 public: | 68 public: |
47 LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info) | 69 LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info) |
48 : chunk_(chunk), | 70 : chunk_(chunk), |
49 masm_(assembler), | 71 masm_(assembler), |
50 info_(info), | 72 info_(info), |
51 current_block_(-1), | 73 current_block_(-1), |
52 current_instruction_(-1), | 74 current_instruction_(-1), |
53 instructions_(chunk->instructions()), | 75 instructions_(chunk->instructions()), |
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280 private: | 302 private: |
281 LCodeGen* codegen_; | 303 LCodeGen* codegen_; |
282 Label entry_; | 304 Label entry_; |
283 Label exit_; | 305 Label exit_; |
284 Label* external_exit_; | 306 Label* external_exit_; |
285 }; | 307 }; |
286 | 308 |
287 } } // namespace v8::internal | 309 } } // namespace v8::internal |
288 | 310 |
289 #endif // V8_ARM_LITHIUM_CODEGEN_ARM_H_ | 311 #endif // V8_ARM_LITHIUM_CODEGEN_ARM_H_ |
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