зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
1.5 KiB
C++
51 строка
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#ifndef _COLORING_H_
|
|
#define _COLORING_H_
|
|
|
|
#include "Fundamentals.h"
|
|
#include "VirtualRegister.h"
|
|
#include "RegisterAssigner.h"
|
|
#include "Pool.h"
|
|
|
|
class FastBitSet;
|
|
class FastBitMatrix;
|
|
|
|
class Coloring : public RegisterAssigner
|
|
{
|
|
private:
|
|
Pool& pool;
|
|
|
|
protected:
|
|
PRInt32 getLowestSpillCostRegister(FastBitSet& bitset);
|
|
PRUint32* simplify(FastBitMatrix interferenceMatrix, PRUint32* stackPtr);
|
|
bool select(FastBitMatrix& interferenceMatrix, PRUint32* stackBase, PRUint32* stackPtr);
|
|
|
|
public:
|
|
Coloring(Pool& p, VirtualRegisterManager& vrMan) : RegisterAssigner(vrMan), pool(p) {}
|
|
|
|
virtual bool assignRegisters(FastBitMatrix& interferenceMatrix);
|
|
};
|
|
|
|
#endif /* _COLORING_H_ */
|