90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/****************************************************************************
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* *
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* Project64 - A Nintendo 64 emulator. *
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* http://www.pj64-emu.com/ *
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* Copyright (C) 2012 Project64. All rights reserved. *
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* *
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* License: *
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* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
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* *
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****************************************************************************/
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#pragma once
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#include <Project64-core/N64System/Recompiler/RegInfo.h>
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#include <Project64-core/N64System/Mips/OpCode.h>
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class CCodeSection;
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class CCodeBlock;
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class LoopAnalysis
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{
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public:
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LoopAnalysis(CCodeBlock * CodeBlock, CCodeSection * Section);
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~LoopAnalysis();
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bool SetupRegisterForLoop();
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private:
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LoopAnalysis(); // Disable default constructor
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LoopAnalysis(const LoopAnalysis&); // Disable copy constructor
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LoopAnalysis& operator=(const LoopAnalysis&); // Disable assignment
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bool SetupEnterSection(CCodeSection * Section, bool & bChanged, bool & bSkipedSection);
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bool CheckLoopRegisterUsage(CCodeSection * Section);
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bool SyncRegState(CRegInfo & RegSet, const CRegInfo& SyncReg);
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void SetJumpRegSet(CCodeSection * Section, const CRegInfo &Reg);
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void SetContinueRegSet(CCodeSection * Section, const CRegInfo &Reg);
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/********************** R4300i OpCodes: Special **********************/
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void SPECIAL_SLL();
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void SPECIAL_SRL();
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void SPECIAL_SRA();
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void SPECIAL_SLLV();
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void SPECIAL_SRLV();
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void SPECIAL_SRAV();
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void SPECIAL_JR();
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void SPECIAL_JALR();
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void SPECIAL_SYSCALL(CCodeSection * Section);
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void SPECIAL_BREAK(CCodeSection * Section);
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void SPECIAL_MFHI();
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void SPECIAL_MTHI();
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void SPECIAL_MFLO();
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void SPECIAL_MTLO();
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void SPECIAL_DSLLV();
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void SPECIAL_DSRLV();
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void SPECIAL_DSRAV();
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void SPECIAL_ADD();
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void SPECIAL_ADDU();
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void SPECIAL_SUB();
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void SPECIAL_SUBU();
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void SPECIAL_AND();
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void SPECIAL_OR();
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void SPECIAL_XOR();
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void SPECIAL_NOR();
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void SPECIAL_SLT();
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void SPECIAL_SLTU();
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void SPECIAL_DADD();
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void SPECIAL_DADDU();
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void SPECIAL_DSUB();
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void SPECIAL_DSUBU();
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void SPECIAL_DSLL();
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void SPECIAL_DSRL();
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void SPECIAL_DSRA();
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void SPECIAL_DSLL32();
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void SPECIAL_DSRL32();
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void SPECIAL_DSRA32();
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typedef std::map<int32_t, CRegInfo *> RegisterMap;
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RegisterMap m_EnterRegisters;
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RegisterMap m_ContinueRegisters;
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RegisterMap m_JumpRegisters;
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CCodeSection * m_EnterSection;
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CCodeBlock * m_BlockInfo;
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uint32_t m_PC;
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CRegInfo m_Reg;
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STEP_TYPE m_NextInstruction;
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OPCODE m_Command;
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uint32_t m_Test;
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};
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