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Issue 228103002: Revert "Handlify deoptimization data allocators." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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5271 } 5271 }
5272 5272
5273 void SetAstId(int i, BailoutId value) { 5273 void SetAstId(int i, BailoutId value) {
5274 SetAstIdRaw(i, Smi::FromInt(value.ToInt())); 5274 SetAstIdRaw(i, Smi::FromInt(value.ToInt()));
5275 } 5275 }
5276 5276
5277 int DeoptCount() { 5277 int DeoptCount() {
5278 return (length() - kFirstDeoptEntryIndex) / kDeoptEntrySize; 5278 return (length() - kFirstDeoptEntryIndex) / kDeoptEntrySize;
5279 } 5279 }
5280 5280
5281 static int LengthFor(int entry_count) { 5281 // Allocates a DeoptimizationInputData.
5282 return IndexForEntry(entry_count); 5282 MUST_USE_RESULT static MaybeObject* Allocate(Isolate* isolate,
5283 } 5283 int deopt_entry_count,
5284 PretenureFlag pretenure);
5284 5285
5285 // Casting. 5286 // Casting.
5286 static inline DeoptimizationInputData* cast(Object* obj); 5287 static inline DeoptimizationInputData* cast(Object* obj);
5287 5288
5288 #ifdef ENABLE_DISASSEMBLER 5289 #ifdef ENABLE_DISASSEMBLER
5289 void DeoptimizationInputDataPrint(FILE* out); 5290 void DeoptimizationInputDataPrint(FILE* out);
5290 #endif 5291 #endif
5291 5292
5292 private: 5293 private:
5293 static int IndexForEntry(int i) { 5294 static int IndexForEntry(int i) {
5294 return kFirstDeoptEntryIndex + (i * kDeoptEntrySize); 5295 return kFirstDeoptEntryIndex + (i * kDeoptEntrySize);
5295 } 5296 }
5297
5298 static int LengthFor(int entry_count) {
5299 return IndexForEntry(entry_count);
5300 }
5296 }; 5301 };
5297 5302
5298 5303
5299 // DeoptimizationOutputData is a fixed array used to hold the deoptimization 5304 // DeoptimizationOutputData is a fixed array used to hold the deoptimization
5300 // data for code generated by the full compiler. 5305 // data for code generated by the full compiler.
5301 // The format of the these objects is 5306 // The format of the these objects is
5302 // [i * 2]: Ast ID for ith deoptimization. 5307 // [i * 2]: Ast ID for ith deoptimization.
5303 // [i * 2 + 1]: PC and state of ith deoptimization 5308 // [i * 2 + 1]: PC and state of ith deoptimization
5304 class DeoptimizationOutputData: public FixedArray { 5309 class DeoptimizationOutputData: public FixedArray {
5305 public: 5310 public:
5306 int DeoptPoints() { return length() / 2; } 5311 int DeoptPoints() { return length() / 2; }
5307 5312
5308 BailoutId AstId(int index) { 5313 BailoutId AstId(int index) {
5309 return BailoutId(Smi::cast(get(index * 2))->value()); 5314 return BailoutId(Smi::cast(get(index * 2))->value());
5310 } 5315 }
5311 5316
5312 void SetAstId(int index, BailoutId id) { 5317 void SetAstId(int index, BailoutId id) {
5313 set(index * 2, Smi::FromInt(id.ToInt())); 5318 set(index * 2, Smi::FromInt(id.ToInt()));
5314 } 5319 }
5315 5320
5316 Smi* PcAndState(int index) { return Smi::cast(get(1 + index * 2)); } 5321 Smi* PcAndState(int index) { return Smi::cast(get(1 + index * 2)); }
5317 void SetPcAndState(int index, Smi* offset) { set(1 + index * 2, offset); } 5322 void SetPcAndState(int index, Smi* offset) { set(1 + index * 2, offset); }
5318 5323
5319 static int LengthOfFixedArray(int deopt_points) { 5324 static int LengthOfFixedArray(int deopt_points) {
5320 return deopt_points * 2; 5325 return deopt_points * 2;
5321 } 5326 }
5322 5327
5328 // Allocates a DeoptimizationOutputData.
5329 MUST_USE_RESULT static MaybeObject* Allocate(Isolate* isolate,
5330 int number_of_deopt_points,
5331 PretenureFlag pretenure);
5332
5323 // Casting. 5333 // Casting.
5324 static inline DeoptimizationOutputData* cast(Object* obj); 5334 static inline DeoptimizationOutputData* cast(Object* obj);
5325 5335
5326 #if defined(OBJECT_PRINT) || defined(ENABLE_DISASSEMBLER) 5336 #if defined(OBJECT_PRINT) || defined(ENABLE_DISASSEMBLER)
5327 void DeoptimizationOutputDataPrint(FILE* out); 5337 void DeoptimizationOutputDataPrint(FILE* out);
5328 #endif 5338 #endif
5329 }; 5339 };
5330 5340
5331 5341
5332 // Forward declaration. 5342 // Forward declaration.
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10980 } else { 10990 } else {
10981 value &= ~(1 << bit_position); 10991 value &= ~(1 << bit_position);
10982 } 10992 }
10983 return value; 10993 return value;
10984 } 10994 }
10985 }; 10995 };
10986 10996
10987 } } // namespace v8::internal 10997 } } // namespace v8::internal
10988 10998
10989 #endif // V8_OBJECTS_H_ 10999 #endif // V8_OBJECTS_H_
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