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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 #ifndef V8_LITHIUM_ALLOCATOR_INL_H_ | 5 #ifndef V8_LITHIUM_ALLOCATOR_INL_H_ |
| 6 #define V8_LITHIUM_ALLOCATOR_INL_H_ | 6 #define V8_LITHIUM_ALLOCATOR_INL_H_ |
| 7 | 7 |
| 8 #include "src/lithium-allocator.h" | 8 #include "src/lithium-allocator.h" |
| 9 | 9 |
| 10 #if V8_TARGET_ARCH_IA32 | 10 #if V8_TARGET_ARCH_IA32 |
| (...skipping 23 matching lines...) Expand all Loading... |
| 34 LInstruction* LAllocator::InstructionAt(int index) { | 34 LInstruction* LAllocator::InstructionAt(int index) { |
| 35 return chunk_->instructions()->at(index); | 35 return chunk_->instructions()->at(index); |
| 36 } | 36 } |
| 37 | 37 |
| 38 | 38 |
| 39 LGap* LAllocator::GapAt(int index) { | 39 LGap* LAllocator::GapAt(int index) { |
| 40 return chunk_->GetGapAt(index); | 40 return chunk_->GetGapAt(index); |
| 41 } | 41 } |
| 42 | 42 |
| 43 | 43 |
| 44 TempIterator::TempIterator(LInstruction* instr) | |
| 45 : instr_(instr), | |
| 46 limit_(instr->TempCount()), | |
| 47 current_(0) { | |
| 48 SkipUninteresting(); | |
| 49 } | |
| 50 | |
| 51 | |
| 52 bool TempIterator::Done() { return current_ >= limit_; } | |
| 53 | |
| 54 | |
| 55 LOperand* TempIterator::Current() { | |
| 56 ASSERT(!Done()); | |
| 57 return instr_->TempAt(current_); | |
| 58 } | |
| 59 | |
| 60 | |
| 61 void TempIterator::SkipUninteresting() { | |
| 62 while (current_ < limit_ && instr_->TempAt(current_) == NULL) ++current_; | |
| 63 } | |
| 64 | |
| 65 | |
| 66 void TempIterator::Advance() { | |
| 67 ++current_; | |
| 68 SkipUninteresting(); | |
| 69 } | |
| 70 | |
| 71 | |
| 72 InputIterator::InputIterator(LInstruction* instr) | |
| 73 : instr_(instr), | |
| 74 limit_(instr->InputCount()), | |
| 75 current_(0) { | |
| 76 SkipUninteresting(); | |
| 77 } | |
| 78 | |
| 79 | |
| 80 bool InputIterator::Done() { return current_ >= limit_; } | |
| 81 | |
| 82 | |
| 83 LOperand* InputIterator::Current() { | |
| 84 ASSERT(!Done()); | |
| 85 ASSERT(instr_->InputAt(current_) != NULL); | |
| 86 return instr_->InputAt(current_); | |
| 87 } | |
| 88 | |
| 89 | |
| 90 void InputIterator::Advance() { | |
| 91 ++current_; | |
| 92 SkipUninteresting(); | |
| 93 } | |
| 94 | |
| 95 | |
| 96 void InputIterator::SkipUninteresting() { | |
| 97 while (current_ < limit_) { | |
| 98 LOperand* current = instr_->InputAt(current_); | |
| 99 if (current != NULL && !current->IsConstantOperand()) break; | |
| 100 ++current_; | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 | |
| 105 UseIterator::UseIterator(LInstruction* instr) | |
| 106 : input_iterator_(instr), env_iterator_(instr->environment()) { } | |
| 107 | |
| 108 | |
| 109 bool UseIterator::Done() { | |
| 110 return input_iterator_.Done() && env_iterator_.Done(); | |
| 111 } | |
| 112 | |
| 113 | |
| 114 LOperand* UseIterator::Current() { | |
| 115 ASSERT(!Done()); | |
| 116 LOperand* result = input_iterator_.Done() | |
| 117 ? env_iterator_.Current() | |
| 118 : input_iterator_.Current(); | |
| 119 ASSERT(result != NULL); | |
| 120 return result; | |
| 121 } | |
| 122 | |
| 123 | |
| 124 void UseIterator::Advance() { | |
| 125 input_iterator_.Done() | |
| 126 ? env_iterator_.Advance() | |
| 127 : input_iterator_.Advance(); | |
| 128 } | |
| 129 | |
| 130 | |
| 131 void LAllocator::SetLiveRangeAssignedRegister(LiveRange* range, int reg) { | 44 void LAllocator::SetLiveRangeAssignedRegister(LiveRange* range, int reg) { |
| 132 if (range->Kind() == DOUBLE_REGISTERS) { | 45 if (range->Kind() == DOUBLE_REGISTERS) { |
| 133 assigned_double_registers_->Add(reg); | 46 assigned_double_registers_->Add(reg); |
| 134 } else { | 47 } else { |
| 135 ASSERT(range->Kind() == GENERAL_REGISTERS); | 48 ASSERT(range->Kind() == GENERAL_REGISTERS); |
| 136 assigned_registers_->Add(reg); | 49 assigned_registers_->Add(reg); |
| 137 } | 50 } |
| 138 range->set_assigned_register(reg, chunk()->zone()); | 51 range->set_assigned_register(reg, chunk()->zone()); |
| 139 } | 52 } |
| 140 | 53 |
| 141 | 54 |
| 142 } } // namespace v8::internal | 55 } } // namespace v8::internal |
| 143 | 56 |
| 144 #endif // V8_LITHIUM_ALLOCATOR_INL_H_ | 57 #endif // V8_LITHIUM_ALLOCATOR_INL_H_ |
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