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// 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());
return instr_->InputAt(current_);
}
void InputIterator::Advance() {
++current_;
SkipUninteresting();
}
void InputIterator::SkipUninteresting() {
while (current_ < limit_ && instr_->InputAt(current_)->IsConstantOperand()) {
++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());
return input_iterator_.Done()
? env_iterator_.Current()
: input_iterator_.Current();
}
void UseIterator::Advance() {
input_iterator_.Done()
? env_iterator_.Advance()
: input_iterator_.Advance();
}
} } // namespace v8::internal
#endif // V8_LITHIUM_ALLOCATOR_INL_H_
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