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1 // Copyright 2010 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 |
11 // with the distribution. | 11 // with the distribution. |
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23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_ARM_LITHIUM_ARM_H_ | 28 #ifndef V8_ARM_LITHIUM_ARM_H_ |
29 #define V8_ARM_LITHIUM_ARM_H_ | 29 #define V8_ARM_LITHIUM_ARM_H_ |
30 | 30 |
31 #include "hydrogen.h" | 31 #include "hydrogen.h" |
32 #include "lithium-allocator.h" | 32 #include "lithium-allocator.h" |
| 33 #include "lithium.h" |
33 #include "safepoint-table.h" | 34 #include "safepoint-table.h" |
34 | 35 |
35 namespace v8 { | 36 namespace v8 { |
36 namespace internal { | 37 namespace internal { |
37 | 38 |
38 // Forward declarations. | 39 // Forward declarations. |
39 class LCodeGen; | 40 class LCodeGen; |
40 class LEnvironment; | 41 class LEnvironment; |
41 class Translation; | 42 class Translation; |
42 | 43 |
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324 | 325 |
325 private: | 326 private: |
326 SetOncePointer<LEnvironment> environment_; | 327 SetOncePointer<LEnvironment> environment_; |
327 SetOncePointer<LPointerMap> pointer_map_; | 328 SetOncePointer<LPointerMap> pointer_map_; |
328 SetOncePointer<LOperand> result_; | 329 SetOncePointer<LOperand> result_; |
329 HValue* hydrogen_value_; | 330 HValue* hydrogen_value_; |
330 SetOncePointer<LEnvironment> deoptimization_environment_; | 331 SetOncePointer<LEnvironment> deoptimization_environment_; |
331 }; | 332 }; |
332 | 333 |
333 | 334 |
334 class LGapNode; | |
335 | |
336 | |
337 class LGapResolver BASE_EMBEDDED { | |
338 public: | |
339 LGapResolver(const ZoneList<LMoveOperands>* moves, LOperand* marker_operand); | |
340 const ZoneList<LMoveOperands>* ResolveInReverseOrder(); | |
341 | |
342 private: | |
343 LGapNode* LookupNode(LOperand* operand); | |
344 bool CanReach(LGapNode* a, LGapNode* b, int visited_id); | |
345 bool CanReach(LGapNode* a, LGapNode* b); | |
346 void RegisterMove(LMoveOperands move); | |
347 void AddResultMove(LOperand* from, LOperand* to); | |
348 void AddResultMove(LGapNode* from, LGapNode* to); | |
349 void ResolveCycle(LGapNode* start); | |
350 | |
351 ZoneList<LGapNode*> nodes_; | |
352 ZoneList<LGapNode*> identified_cycles_; | |
353 ZoneList<LMoveOperands> result_; | |
354 LOperand* marker_operand_; | |
355 int next_visited_id_; | |
356 int bailout_after_ast_id_; | |
357 }; | |
358 | |
359 | |
360 class LParallelMove : public ZoneObject { | 335 class LParallelMove : public ZoneObject { |
361 public: | 336 public: |
362 LParallelMove() : move_operands_(4) { } | 337 LParallelMove() : move_operands_(4) { } |
363 | 338 |
364 void AddMove(LOperand* from, LOperand* to) { | 339 void AddMove(LOperand* from, LOperand* to) { |
365 move_operands_.Add(LMoveOperands(from, to)); | 340 move_operands_.Add(LMoveOperands(from, to)); |
366 } | 341 } |
367 | 342 |
368 bool IsRedundant() const; | 343 bool IsRedundant() const; |
369 | 344 |
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2130 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2105 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2131 }; | 2106 }; |
2132 | 2107 |
2133 #undef DECLARE_HYDROGEN_ACCESSOR | 2108 #undef DECLARE_HYDROGEN_ACCESSOR |
2134 #undef DECLARE_INSTRUCTION | 2109 #undef DECLARE_INSTRUCTION |
2135 #undef DECLARE_CONCRETE_INSTRUCTION | 2110 #undef DECLARE_CONCRETE_INSTRUCTION |
2136 | 2111 |
2137 } } // namespace v8::internal | 2112 } } // namespace v8::internal |
2138 | 2113 |
2139 #endif // V8_ARM_LITHIUM_ARM_H_ | 2114 #endif // V8_ARM_LITHIUM_ARM_H_ |
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