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| 1 // Copyright 2011 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 #ifndef V8_LITHIUM_ALLOCATOR_INL_H_ | 5 #ifndef V8_LITHIUM_INL_H_ |
| 6 #define V8_LITHIUM_ALLOCATOR_INL_H_ | 6 #define V8_LITHIUM_INL_H_ |
| 7 | 7 |
| 8 #include "src/lithium-allocator.h" | 8 #include "src/lithium.h" |
| 9 | 9 |
| 10 #if V8_TARGET_ARCH_IA32 | 10 #if V8_TARGET_ARCH_IA32 |
| 11 #include "src/ia32/lithium-ia32.h" // NOLINT | 11 #include "src/ia32/lithium-ia32.h" // NOLINT |
| 12 #elif V8_TARGET_ARCH_X64 | 12 #elif V8_TARGET_ARCH_X64 |
| 13 #include "src/x64/lithium-x64.h" // NOLINT | 13 #include "src/x64/lithium-x64.h" // NOLINT |
| 14 #elif V8_TARGET_ARCH_ARM64 | 14 #elif V8_TARGET_ARCH_ARM64 |
| 15 #include "src/arm64/lithium-arm64.h" // NOLINT | 15 #include "src/arm64/lithium-arm64.h" // NOLINT |
| 16 #elif V8_TARGET_ARCH_ARM | 16 #elif V8_TARGET_ARCH_ARM |
| 17 #include "src/arm/lithium-arm.h" // NOLINT | 17 #include "src/arm/lithium-arm.h" // NOLINT |
| 18 #elif V8_TARGET_ARCH_MIPS | 18 #elif V8_TARGET_ARCH_MIPS |
| 19 #include "src/mips/lithium-mips.h" // NOLINT | 19 #include "src/mips/lithium-mips.h" // NOLINT |
| 20 #elif V8_TARGET_ARCH_MIPS64 | |
| 21 #include "src/mips64/lithium-mips64.h" // NOLINT | |
| 22 #elif V8_TARGET_ARCH_X87 | 20 #elif V8_TARGET_ARCH_X87 |
| 23 #include "src/x87/lithium-x87.h" // NOLINT | 21 #include "src/x87/lithium-x87.h" // NOLINT |
| 24 #else | 22 #else |
| 25 #error "Unknown architecture." | 23 #error "Unknown architecture." |
| 26 #endif | 24 #endif |
| 27 | 25 |
| 28 namespace v8 { | 26 namespace v8 { |
| 29 namespace internal { | 27 namespace internal { |
| 30 | 28 |
| 31 bool LAllocator::IsGapAt(int index) { return chunk_->IsGapAt(index); } | |
| 32 | |
| 33 | |
| 34 LInstruction* LAllocator::InstructionAt(int index) { | |
| 35 return chunk_->instructions()->at(index); | |
| 36 } | |
| 37 | |
| 38 | |
| 39 LGap* LAllocator::GapAt(int index) { | |
| 40 return chunk_->GetGapAt(index); | |
| 41 } | |
| 42 | |
| 43 | |
| 44 TempIterator::TempIterator(LInstruction* instr) | 29 TempIterator::TempIterator(LInstruction* instr) |
| 45 : instr_(instr), | 30 : instr_(instr), limit_(instr->TempCount()), current_(0) { |
| 46 limit_(instr->TempCount()), | |
| 47 current_(0) { | |
| 48 SkipUninteresting(); | 31 SkipUninteresting(); |
| 49 } | 32 } |
| 50 | 33 |
| 51 | 34 |
| 52 bool TempIterator::Done() { return current_ >= limit_; } | 35 bool TempIterator::Done() { return current_ >= limit_; } |
| 53 | 36 |
| 54 | 37 |
| 55 LOperand* TempIterator::Current() { | 38 LOperand* TempIterator::Current() { |
| 56 ASSERT(!Done()); | 39 ASSERT(!Done()); |
| 57 return instr_->TempAt(current_); | 40 return instr_->TempAt(current_); |
| 58 } | 41 } |
| 59 | 42 |
| 60 | 43 |
| 61 void TempIterator::SkipUninteresting() { | 44 void TempIterator::SkipUninteresting() { |
| 62 while (current_ < limit_ && instr_->TempAt(current_) == NULL) ++current_; | 45 while (current_ < limit_ && instr_->TempAt(current_) == NULL) ++current_; |
| 63 } | 46 } |
| 64 | 47 |
| 65 | 48 |
| 66 void TempIterator::Advance() { | 49 void TempIterator::Advance() { |
| 67 ++current_; | 50 ++current_; |
| 68 SkipUninteresting(); | 51 SkipUninteresting(); |
| 69 } | 52 } |
| 70 | 53 |
| 71 | 54 |
| 72 InputIterator::InputIterator(LInstruction* instr) | 55 InputIterator::InputIterator(LInstruction* instr) |
| 73 : instr_(instr), | 56 : instr_(instr), limit_(instr->InputCount()), current_(0) { |
| 74 limit_(instr->InputCount()), | |
| 75 current_(0) { | |
| 76 SkipUninteresting(); | 57 SkipUninteresting(); |
| 77 } | 58 } |
| 78 | 59 |
| 79 | 60 |
| 80 bool InputIterator::Done() { return current_ >= limit_; } | 61 bool InputIterator::Done() { return current_ >= limit_; } |
| 81 | 62 |
| 82 | 63 |
| 83 LOperand* InputIterator::Current() { | 64 LOperand* InputIterator::Current() { |
| 84 ASSERT(!Done()); | 65 ASSERT(!Done()); |
| 85 ASSERT(instr_->InputAt(current_) != NULL); | 66 ASSERT(instr_->InputAt(current_) != NULL); |
| (...skipping 10 matching lines...) Expand all Loading... |
| 96 void InputIterator::SkipUninteresting() { | 77 void InputIterator::SkipUninteresting() { |
| 97 while (current_ < limit_) { | 78 while (current_ < limit_) { |
| 98 LOperand* current = instr_->InputAt(current_); | 79 LOperand* current = instr_->InputAt(current_); |
| 99 if (current != NULL && !current->IsConstantOperand()) break; | 80 if (current != NULL && !current->IsConstantOperand()) break; |
| 100 ++current_; | 81 ++current_; |
| 101 } | 82 } |
| 102 } | 83 } |
| 103 | 84 |
| 104 | 85 |
| 105 UseIterator::UseIterator(LInstruction* instr) | 86 UseIterator::UseIterator(LInstruction* instr) |
| 106 : input_iterator_(instr), env_iterator_(instr->environment()) { } | 87 : input_iterator_(instr), env_iterator_(instr->environment()) {} |
| 107 | 88 |
| 108 | 89 |
| 109 bool UseIterator::Done() { | 90 bool UseIterator::Done() { |
| 110 return input_iterator_.Done() && env_iterator_.Done(); | 91 return input_iterator_.Done() && env_iterator_.Done(); |
| 111 } | 92 } |
| 112 | 93 |
| 113 | 94 |
| 114 LOperand* UseIterator::Current() { | 95 LOperand* UseIterator::Current() { |
| 115 ASSERT(!Done()); | 96 ASSERT(!Done()); |
| 116 LOperand* result = input_iterator_.Done() | 97 LOperand* result = input_iterator_.Done() ? env_iterator_.Current() |
| 117 ? env_iterator_.Current() | 98 : input_iterator_.Current(); |
| 118 : input_iterator_.Current(); | |
| 119 ASSERT(result != NULL); | 99 ASSERT(result != NULL); |
| 120 return result; | 100 return result; |
| 121 } | 101 } |
| 122 | 102 |
| 123 | 103 |
| 124 void UseIterator::Advance() { | 104 void UseIterator::Advance() { |
| 125 input_iterator_.Done() | 105 input_iterator_.Done() ? env_iterator_.Advance() : input_iterator_.Advance(); |
| 126 ? env_iterator_.Advance() | |
| 127 : input_iterator_.Advance(); | |
| 128 } | 106 } |
| 107 } |
| 108 } // namespace v8::internal |
| 129 | 109 |
| 130 | 110 #endif // V8_LITHIUM_INL_H_ |
| 131 void LAllocator::SetLiveRangeAssignedRegister(LiveRange* range, int reg) { | |
| 132 if (range->Kind() == DOUBLE_REGISTERS) { | |
| 133 assigned_double_registers_->Add(reg); | |
| 134 } else { | |
| 135 ASSERT(range->Kind() == GENERAL_REGISTERS); | |
| 136 assigned_registers_->Add(reg); | |
| 137 } | |
| 138 range->set_assigned_register(reg, chunk()->zone()); | |
| 139 } | |
| 140 | |
| 141 | |
| 142 } } // namespace v8::internal | |
| 143 | |
| 144 #endif // V8_LITHIUM_ALLOCATOR_INL_H_ | |
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