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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 "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/arm/lithium-codegen-arm.h" | 7 #include "src/arm/lithium-codegen-arm.h" |
8 #include "src/hydrogen-osr.h" | 8 #include "src/hydrogen-osr.h" |
9 #include "src/lithium-inl.h" | 9 #include "src/lithium-inl.h" |
10 | 10 |
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416 HBasicBlock* next = NULL; | 416 HBasicBlock* next = NULL; |
417 if (i < blocks->length() - 1) next = blocks->at(i + 1); | 417 if (i < blocks->length() - 1) next = blocks->at(i + 1); |
418 DoBasicBlock(blocks->at(i), next); | 418 DoBasicBlock(blocks->at(i), next); |
419 if (is_aborted()) return NULL; | 419 if (is_aborted()) return NULL; |
420 } | 420 } |
421 status_ = DONE; | 421 status_ = DONE; |
422 return chunk_; | 422 return chunk_; |
423 } | 423 } |
424 | 424 |
425 | 425 |
426 void LChunkBuilder::Abort(BailoutReason reason) { | |
427 info()->set_bailout_reason(reason); | |
428 status_ = ABORTED; | |
429 } | |
430 | |
431 | |
432 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { | 426 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { |
433 return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, | 427 return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, |
434 Register::ToAllocationIndex(reg)); | 428 Register::ToAllocationIndex(reg)); |
435 } | 429 } |
436 | 430 |
437 | 431 |
438 LUnallocated* LChunkBuilder::ToUnallocated(DoubleRegister reg) { | 432 LUnallocated* LChunkBuilder::ToUnallocated(DoubleRegister reg) { |
439 return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, | 433 return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, |
440 DoubleRegister::ToAllocationIndex(reg)); | 434 DoubleRegister::ToAllocationIndex(reg)); |
441 } | 435 } |
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2469 LInstruction* LChunkBuilder::DoUnknownOSRValue(HUnknownOSRValue* instr) { | 2463 LInstruction* LChunkBuilder::DoUnknownOSRValue(HUnknownOSRValue* instr) { |
2470 // Use an index that corresponds to the location in the unoptimized frame, | 2464 // Use an index that corresponds to the location in the unoptimized frame, |
2471 // which the optimized frame will subsume. | 2465 // which the optimized frame will subsume. |
2472 int env_index = instr->index(); | 2466 int env_index = instr->index(); |
2473 int spill_index = 0; | 2467 int spill_index = 0; |
2474 if (instr->environment()->is_parameter_index(env_index)) { | 2468 if (instr->environment()->is_parameter_index(env_index)) { |
2475 spill_index = chunk()->GetParameterStackSlot(env_index); | 2469 spill_index = chunk()->GetParameterStackSlot(env_index); |
2476 } else { | 2470 } else { |
2477 spill_index = env_index - instr->environment()->first_local_index(); | 2471 spill_index = env_index - instr->environment()->first_local_index(); |
2478 if (spill_index > LUnallocated::kMaxFixedSlotIndex) { | 2472 if (spill_index > LUnallocated::kMaxFixedSlotIndex) { |
2479 Abort(kTooManySpillSlotsNeededForOSR); | 2473 Retry(kTooManySpillSlotsNeededForOSR); |
2480 spill_index = 0; | 2474 spill_index = 0; |
2481 } | 2475 } |
2482 } | 2476 } |
2483 return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index); | 2477 return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index); |
2484 } | 2478 } |
2485 | 2479 |
2486 | 2480 |
2487 LInstruction* LChunkBuilder::DoCallStub(HCallStub* instr) { | 2481 LInstruction* LChunkBuilder::DoCallStub(HCallStub* instr) { |
2488 LOperand* context = UseFixed(instr->context(), cp); | 2482 LOperand* context = UseFixed(instr->context(), cp); |
2489 return MarkAsCall(DefineFixed(new(zone()) LCallStub(context), r0), instr); | 2483 return MarkAsCall(DefineFixed(new(zone()) LCallStub(context), r0), instr); |
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2639 LInstruction* LChunkBuilder::DoAllocateBlockContext( | 2633 LInstruction* LChunkBuilder::DoAllocateBlockContext( |
2640 HAllocateBlockContext* instr) { | 2634 HAllocateBlockContext* instr) { |
2641 LOperand* context = UseFixed(instr->context(), cp); | 2635 LOperand* context = UseFixed(instr->context(), cp); |
2642 LOperand* function = UseRegisterAtStart(instr->function()); | 2636 LOperand* function = UseRegisterAtStart(instr->function()); |
2643 LAllocateBlockContext* result = | 2637 LAllocateBlockContext* result = |
2644 new(zone()) LAllocateBlockContext(context, function); | 2638 new(zone()) LAllocateBlockContext(context, function); |
2645 return MarkAsCall(DefineFixed(result, cp), instr); | 2639 return MarkAsCall(DefineFixed(result, cp), instr); |
2646 } | 2640 } |
2647 | 2641 |
2648 } } // namespace v8::internal | 2642 } } // namespace v8::internal |
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