| // Copyright 2011 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_LITHIUM_ALLOCATOR_INL_H_ |
| #define V8_LITHIUM_ALLOCATOR_INL_H_ |
| |
| #include "src/lithium-allocator.h" |
| |
| #if V8_TARGET_ARCH_IA32 |
| #include "src/ia32/lithium-ia32.h" |
| #elif V8_TARGET_ARCH_X64 |
| #include "src/x64/lithium-x64.h" |
| #elif V8_TARGET_ARCH_ARM64 |
| #include "src/arm64/lithium-arm64.h" |
| #elif V8_TARGET_ARCH_ARM |
| #include "src/arm/lithium-arm.h" |
| #elif V8_TARGET_ARCH_MIPS |
| #include "src/mips/lithium-mips.h" |
| #elif V8_TARGET_ARCH_X87 |
| #include "src/x87/lithium-x87.h" |
| #else |
| #error "Unknown architecture." |
| #endif |
| |
| namespace v8 { |
| namespace internal { |
| |
| bool LAllocator::IsGapAt(int index) { return chunk_->IsGapAt(index); } |
| |
| |
| LInstruction* LAllocator::InstructionAt(int index) { |
| return chunk_->instructions()->at(index); |
| } |
| |
| |
| LGap* LAllocator::GapAt(int index) { |
| return chunk_->GetGapAt(index); |
| } |
| |
| |
| TempIterator::TempIterator(LInstruction* instr) |
| : instr_(instr), |
| limit_(instr->TempCount()), |
| current_(0) { |
| SkipUninteresting(); |
| } |
| |
| |
| bool TempIterator::Done() { return current_ >= limit_; } |
| |
| |
| LOperand* TempIterator::Current() { |
| ASSERT(!Done()); |
| return instr_->TempAt(current_); |
| } |
| |
| |
| void TempIterator::SkipUninteresting() { |
| while (current_ < limit_ && instr_->TempAt(current_) == NULL) ++current_; |
| } |
| |
| |
| void TempIterator::Advance() { |
| ++current_; |
| SkipUninteresting(); |
| } |
| |
| |
| InputIterator::InputIterator(LInstruction* instr) |
| : instr_(instr), |
| limit_(instr->InputCount()), |
| current_(0) { |
| SkipUninteresting(); |
| } |
| |
| |
| bool InputIterator::Done() { return current_ >= limit_; } |
| |
| |
| LOperand* InputIterator::Current() { |
| ASSERT(!Done()); |
| ASSERT(instr_->InputAt(current_) != NULL); |
| return instr_->InputAt(current_); |
| } |
| |
| |
| void InputIterator::Advance() { |
| ++current_; |
| SkipUninteresting(); |
| } |
| |
| |
| void InputIterator::SkipUninteresting() { |
| while (current_ < limit_) { |
| LOperand* current = instr_->InputAt(current_); |
| if (current != NULL && !current->IsConstantOperand()) break; |
| ++current_; |
| } |
| } |
| |
| |
| UseIterator::UseIterator(LInstruction* instr) |
| : input_iterator_(instr), env_iterator_(instr->environment()) { } |
| |
| |
| bool UseIterator::Done() { |
| return input_iterator_.Done() && env_iterator_.Done(); |
| } |
| |
| |
| LOperand* UseIterator::Current() { |
| ASSERT(!Done()); |
| LOperand* result = input_iterator_.Done() |
| ? env_iterator_.Current() |
| : input_iterator_.Current(); |
| ASSERT(result != NULL); |
| return result; |
| } |
| |
| |
| void UseIterator::Advance() { |
| input_iterator_.Done() |
| ? env_iterator_.Advance() |
| : input_iterator_.Advance(); |
| } |
| |
| |
| void LAllocator::SetLiveRangeAssignedRegister(LiveRange* range, int reg) { |
| if (range->Kind() == DOUBLE_REGISTERS) { |
| assigned_double_registers_->Add(reg); |
| } else { |
| ASSERT(range->Kind() == GENERAL_REGISTERS); |
| assigned_registers_->Add(reg); |
| } |
| range->set_assigned_register(reg, chunk()->zone()); |
| } |
| |
| |
| } } // namespace v8::internal |
| |
| #endif // V8_LITHIUM_ALLOCATOR_INL_H_ |