| // Copyright 2011 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef V8_LITHIUM_ALLOCATOR_INL_H_ |
| #define V8_LITHIUM_ALLOCATOR_INL_H_ |
| |
| #include "lithium-allocator.h" |
| |
| #if V8_TARGET_ARCH_IA32 |
| #include "ia32/lithium-ia32.h" |
| #elif V8_TARGET_ARCH_X64 |
| #include "x64/lithium-x64.h" |
| #elif V8_TARGET_ARCH_ARM |
| #include "arm/lithium-arm.h" |
| #elif V8_TARGET_ARCH_MIPS |
| #include "mips/lithium-mips.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(); |
| } |
| |
| } } // namespace v8::internal |
| |
| #endif // V8_LITHIUM_ALLOCATOR_INL_H_ |