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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 #if V8_TARGET_ARCH_X64 | 7 #if V8_TARGET_ARCH_X64 |
8 | 8 |
9 #include "lithium-allocator-inl.h" | 9 #include "lithium-allocator-inl.h" |
10 #include "x64/lithium-x64.h" | 10 #include "x64/lithium-x64.h" |
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432 HBasicBlock* next = NULL; | 432 HBasicBlock* next = NULL; |
433 if (i < blocks->length() - 1) next = blocks->at(i + 1); | 433 if (i < blocks->length() - 1) next = blocks->at(i + 1); |
434 DoBasicBlock(blocks->at(i), next); | 434 DoBasicBlock(blocks->at(i), next); |
435 if (is_aborted()) return NULL; | 435 if (is_aborted()) return NULL; |
436 } | 436 } |
437 status_ = DONE; | 437 status_ = DONE; |
438 return chunk_; | 438 return chunk_; |
439 } | 439 } |
440 | 440 |
441 | 441 |
442 void LCodeGen::Abort(BailoutReason reason) { | 442 void LChunkBuilder::Abort(BailoutReason reason) { |
443 info()->set_bailout_reason(reason); | 443 info()->set_bailout_reason(reason); |
444 status_ = ABORTED; | 444 status_ = ABORTED; |
445 } | 445 } |
446 | 446 |
447 | 447 |
448 void LChunkBuilder::AddDeprecationDependency(Handle<Map> map) { | |
449 if (map->is_deprecated()) return Abort(kMapBecameDeprecated); | |
450 chunk_->AddDeprecationDependency(map); | |
451 } | |
452 | |
453 | |
454 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { | 448 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { |
455 return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, | 449 return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, |
456 Register::ToAllocationIndex(reg)); | 450 Register::ToAllocationIndex(reg)); |
457 } | 451 } |
458 | 452 |
459 | 453 |
460 LUnallocated* LChunkBuilder::ToUnallocated(XMMRegister reg) { | 454 LUnallocated* LChunkBuilder::ToUnallocated(XMMRegister reg) { |
461 return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, | 455 return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, |
462 XMMRegister::ToAllocationIndex(reg)); | 456 XMMRegister::ToAllocationIndex(reg)); |
463 } | 457 } |
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2313 val = UseRegisterAtStart(instr->value()); | 2307 val = UseRegisterAtStart(instr->value()); |
2314 } else { | 2308 } else { |
2315 val = UseRegister(instr->value()); | 2309 val = UseRegister(instr->value()); |
2316 } | 2310 } |
2317 | 2311 |
2318 // We only need a scratch register if we have a write barrier or we | 2312 // We only need a scratch register if we have a write barrier or we |
2319 // have a store into the properties array (not in-object-property). | 2313 // have a store into the properties array (not in-object-property). |
2320 LOperand* temp = (!is_in_object || needs_write_barrier || | 2314 LOperand* temp = (!is_in_object || needs_write_barrier || |
2321 needs_write_barrier_for_map) ? TempRegister() : NULL; | 2315 needs_write_barrier_for_map) ? TempRegister() : NULL; |
2322 | 2316 |
2323 // Add a deprecation dependency on the transition target map. | |
2324 if (instr->has_transition()) { | |
2325 AddDeprecationDependency(instr->transition_map()); | |
2326 } | |
2327 | |
2328 LInstruction* result = new(zone()) LStoreNamedField(obj, val, temp); | 2317 LInstruction* result = new(zone()) LStoreNamedField(obj, val, temp); |
2329 if (!instr->access().IsExternalMemory() && | 2318 if (!instr->access().IsExternalMemory() && |
2330 instr->field_representation().IsHeapObject() && | 2319 instr->field_representation().IsHeapObject() && |
2331 (val->IsConstantOperand() | 2320 (val->IsConstantOperand() |
2332 ? HConstant::cast(instr->value())->HasSmiValue() | 2321 ? HConstant::cast(instr->value())->HasSmiValue() |
2333 : !instr->value()->type().IsHeapObject())) { | 2322 : !instr->value()->type().IsHeapObject())) { |
2334 result = AssignEnvironment(result); | 2323 result = AssignEnvironment(result); |
2335 } | 2324 } |
2336 return result; | 2325 return result; |
2337 } | 2326 } |
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2599 LOperand* index = UseTempRegister(instr->index()); | 2588 LOperand* index = UseTempRegister(instr->index()); |
2600 LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); | 2589 LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); |
2601 LInstruction* result = DefineSameAsFirst(load); | 2590 LInstruction* result = DefineSameAsFirst(load); |
2602 return AssignPointerMap(result); | 2591 return AssignPointerMap(result); |
2603 } | 2592 } |
2604 | 2593 |
2605 | 2594 |
2606 } } // namespace v8::internal | 2595 } } // namespace v8::internal |
2607 | 2596 |
2608 #endif // V8_TARGET_ARCH_X64 | 2597 #endif // V8_TARGET_ARCH_X64 |
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