ppsspp/Core/MIPS/MIPSAnalyst.h
2012-11-01 16:19:01 +01:00

63 lines
1.6 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#pragma once
#include "../../Globals.h"
namespace MIPSAnalyst
{
void Analyze(u32 address);
struct RegisterAnalysisResults
{
bool used;
int firstRead;
int lastRead;
int firstWrite;
int lastWrite;
int firstReadAsAddr;
int lastReadAsAddr;
int readCount;
int writeCount;
int readAsAddrCount;
bool usesVFPU;
int TotalReadCount() {return readCount + readAsAddrCount;}
int FirstRead() {return firstReadAsAddr < firstRead ? firstReadAsAddr : firstRead;}
int LastRead() {return lastReadAsAddr > lastRead ? lastReadAsAddr : lastRead;}
};
struct AnalysisResults
{
int x;
};
bool IsRegisterUsed(u32 reg, u32 addr);
void ScanForFunctions(u32 startAddr, u32 endAddr);
void CompileLeafs();
std::vector<int> GetInputRegs(u32 op);
std::vector<int> GetOutputRegs(u32 op);
int GetOutReg(u32 op);
bool ReadsFromReg(u32 op, u32 reg);
bool IsDelaySlotNice(u32 branch, u32 delayslot);
} // namespace MIPSAnalyst