c35559ff27
R=jkummerow@chromium.org Review URL: https://codereview.chromium.org/24438006 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16998 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
162 lines
4.2 KiB
C++
162 lines
4.2 KiB
C++
// 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();
|
|
}
|
|
|
|
|
|
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_
|