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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "v8.h" | 5 #include "v8.h" |
6 | 6 |
7 #include "lithium-allocator-inl.h" | 7 #include "lithium-allocator-inl.h" |
8 #include "mips/lithium-mips.h" | 8 #include "mips/lithium-mips.h" |
9 #include "mips/lithium-codegen-mips.h" | 9 #include "mips/lithium-codegen-mips.h" |
10 #include "hydrogen-osr.h" | 10 #include "hydrogen-osr.h" |
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421 HBasicBlock* next = NULL; | 421 HBasicBlock* next = NULL; |
422 if (i < blocks->length() - 1) next = blocks->at(i + 1); | 422 if (i < blocks->length() - 1) next = blocks->at(i + 1); |
423 DoBasicBlock(blocks->at(i), next); | 423 DoBasicBlock(blocks->at(i), next); |
424 if (is_aborted()) return NULL; | 424 if (is_aborted()) return NULL; |
425 } | 425 } |
426 status_ = DONE; | 426 status_ = DONE; |
427 return chunk_; | 427 return chunk_; |
428 } | 428 } |
429 | 429 |
430 | 430 |
431 void LCodeGen::Abort(BailoutReason reason) { | 431 void LChunkBuilder::Abort(BailoutReason reason) { |
432 info()->set_bailout_reason(reason); | 432 info()->set_bailout_reason(reason); |
433 status_ = ABORTED; | 433 status_ = ABORTED; |
434 } | 434 } |
435 | 435 |
436 | 436 |
437 void LChunkBuilder::AddDeprecationDependency(Handle<Map> map) { | |
438 if (map->is_deprecated()) return Abort(kMapBecameDeprecated); | |
439 chunk_->AddDeprecationDependency(map); | |
440 } | |
441 | |
442 | |
443 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { | 437 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { |
444 return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, | 438 return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, |
445 Register::ToAllocationIndex(reg)); | 439 Register::ToAllocationIndex(reg)); |
446 } | 440 } |
447 | 441 |
448 | 442 |
449 LUnallocated* LChunkBuilder::ToUnallocated(DoubleRegister reg) { | 443 LUnallocated* LChunkBuilder::ToUnallocated(DoubleRegister reg) { |
450 return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, | 444 return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, |
451 DoubleRegister::ToAllocationIndex(reg)); | 445 DoubleRegister::ToAllocationIndex(reg)); |
452 } | 446 } |
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2250 val = UseTempRegister(instr->value()); | 2244 val = UseTempRegister(instr->value()); |
2251 } else if (instr->field_representation().IsDouble()) { | 2245 } else if (instr->field_representation().IsDouble()) { |
2252 val = UseRegisterAtStart(instr->value()); | 2246 val = UseRegisterAtStart(instr->value()); |
2253 } else { | 2247 } else { |
2254 val = UseRegister(instr->value()); | 2248 val = UseRegister(instr->value()); |
2255 } | 2249 } |
2256 | 2250 |
2257 // We need a temporary register for write barrier of the map field. | 2251 // We need a temporary register for write barrier of the map field. |
2258 LOperand* temp = needs_write_barrier_for_map ? TempRegister() : NULL; | 2252 LOperand* temp = needs_write_barrier_for_map ? TempRegister() : NULL; |
2259 | 2253 |
2260 // Add a deprecation dependency on the transition target map. | |
2261 if (instr->has_transition()) { | |
2262 AddDeprecationDependency(instr->transition_map()); | |
2263 } | |
2264 | |
2265 LInstruction* result = new(zone()) LStoreNamedField(obj, val, temp); | 2254 LInstruction* result = new(zone()) LStoreNamedField(obj, val, temp); |
2266 if (!instr->access().IsExternalMemory() && | 2255 if (!instr->access().IsExternalMemory() && |
2267 instr->field_representation().IsHeapObject() && | 2256 instr->field_representation().IsHeapObject() && |
2268 !instr->value()->type().IsHeapObject()) { | 2257 !instr->value()->type().IsHeapObject()) { |
2269 result = AssignEnvironment(result); | 2258 result = AssignEnvironment(result); |
2270 } | 2259 } |
2271 return result; | 2260 return result; |
2272 } | 2261 } |
2273 | 2262 |
2274 | 2263 |
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2522 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2511 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2523 LOperand* object = UseRegister(instr->object()); | 2512 LOperand* object = UseRegister(instr->object()); |
2524 LOperand* index = UseRegister(instr->index()); | 2513 LOperand* index = UseRegister(instr->index()); |
2525 LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); | 2514 LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); |
2526 LInstruction* result = DefineSameAsFirst(load); | 2515 LInstruction* result = DefineSameAsFirst(load); |
2527 return AssignPointerMap(result); | 2516 return AssignPointerMap(result); |
2528 } | 2517 } |
2529 | 2518 |
2530 | 2519 |
2531 } } // namespace v8::internal | 2520 } } // namespace v8::internal |
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