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project64/Source/Project64-core/N64System/Recompiler/LoopAnalysis.cpp

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#include "stdafx.h"
#include <string.h>
#include "LoopAnalysis.h"
#include <Project64-core/N64System/N64Types.h>
#include <Project64-core/N64System/Recompiler/CodeBlock.h>
#include <Project64-core/N64System/Recompiler/RecompilerCodeLog.h>
#include <Project64-core/N64System/SystemGlobals.h>
#include <Project64-core/N64System/Mips/MemoryVirtualMem.h>
#include <Project64-core/N64System/Mips/OpcodeName.h>
#ifdef _DEBUG
#define CHECKED_BUILD 1
#endif
bool DelaySlotEffectsCompare(uint32_t PC, uint32_t Reg1, uint32_t Reg2);
LoopAnalysis::LoopAnalysis(CCodeBlock * CodeBlock, CCodeSection * Section) :
m_EnterSection(Section),
m_BlockInfo(CodeBlock),
m_PC((uint32_t)-1),
m_NextInstruction(NORMAL),
m_Test(m_BlockInfo->NextTest())
{
memset(&m_Command, 0, sizeof(m_Command));
}
LoopAnalysis::~LoopAnalysis()
{
for (RegisterMap::iterator itr = m_EnterRegisters.begin(); itr != m_EnterRegisters.end(); itr++)
{
delete itr->second;
}
m_EnterRegisters.clear();
for (RegisterMap::iterator itr = m_ContinueRegisters.begin(); itr != m_ContinueRegisters.end(); itr++)
{
delete itr->second;
}
m_ContinueRegisters.clear();
for (RegisterMap::iterator itr = m_JumpRegisters.begin(); itr != m_JumpRegisters.end(); itr++)
{
delete itr->second;
}
m_JumpRegisters.clear();
}
bool LoopAnalysis::SetupRegisterForLoop()
{
if (!m_EnterSection->m_InLoop)
{
return false;
}
CPU_Message("%s: Section ID: %d Test: %X", __FUNCTION__, m_EnterSection->m_SectionID, m_Test);
if (!CheckLoopRegisterUsage(m_EnterSection))
{
return false;
}
RegisterMap::iterator itr = m_EnterRegisters.find(m_EnterSection->m_SectionID);
if (itr == m_EnterRegisters.end())
{
return false;
}
m_EnterSection->m_RegEnter = *(itr->second);
return true;
}
bool LoopAnalysis::SetupEnterSection(CCodeSection * Section, bool & bChanged, bool & bSkipedSection)
{
bChanged = false;
bSkipedSection = false;
if (Section->m_ParentSection.empty()) { g_Notify->BreakPoint(__FILE__, __LINE__); return true; }
CPU_Message("%s: Block EnterPC: %X Section ID %d Test: %X Section Test: %X CompiledLocation: %X", __FUNCTION__, m_BlockInfo->VAddrEnter(), Section->m_SectionID, m_Test, Section->m_Test, Section->m_CompiledLocation);
bool bFirstParent = true;
CRegInfo RegEnter;
for (CCodeSection::SECTION_LIST::iterator iter = Section->m_ParentSection.begin(); iter != Section->m_ParentSection.end(); iter++)
{
CCodeSection * Parent = *iter;
CPU_Message("%s: Parent Section ID %d Test: %X Section Test: %X CompiledLocation: %X", __FUNCTION__, Parent->m_SectionID, m_Test, Parent->m_Test, Parent->m_CompiledLocation);
if (Parent->m_Test != m_Test && (m_EnterSection != Section || Parent->m_CompiledLocation == nullptr) && Parent->m_InLoop)
{
CPU_Message("%s: Ignore Parent Section ID %d Test: %X Section Test: %X CompiledLocation: %X", __FUNCTION__, Parent->m_SectionID, m_Test, Parent->m_Test, Parent->m_CompiledLocation);
bSkipedSection = true;
continue;
}
RegisterMap::iterator Continue_itr = m_ContinueRegisters.find(Parent->m_SectionID);
RegisterMap::iterator Jump_itr = m_JumpRegisters.find(Parent->m_SectionID);
CCodeSection * TargetSection[] = { Parent->m_ContinueSection, Parent->m_JumpSection };
CRegInfo * JumpRegInfo[] =
{
Continue_itr == m_ContinueRegisters.end() ? &Parent->m_Cont.RegSet : Continue_itr->second,
Jump_itr == m_JumpRegisters.end() ? &Parent->m_Jump.RegSet : Jump_itr->second
};
for (int i = 0; i < 2; i++)
{
if (TargetSection[i] != Section) { continue; }
if (bFirstParent)
{
bFirstParent = false;
RegEnter = *JumpRegInfo[i];
}
else
{
if (*JumpRegInfo[i] == RegEnter)
{
continue;
}
SyncRegState(RegEnter, *JumpRegInfo[i]);
}
}
}
if (bFirstParent)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
RegisterMap::iterator itr = m_EnterRegisters.find(Section->m_SectionID);
if (itr != m_EnterRegisters.end())
{
if (SyncRegState(*(itr->second), RegEnter))
{
bChanged = true;
}
}
else
{
m_EnterRegisters.insert(RegisterMap::value_type(Section->m_SectionID, new CRegInfo(RegEnter)));
}
return true;
}
bool LoopAnalysis::CheckLoopRegisterUsage(CCodeSection * Section)
{
if (Section == nullptr) { return true; }
if (!Section->m_InLoop) { return true; }
CPU_Message("%s: Section %d Block PC: 0x%X", __FUNCTION__, Section->m_SectionID, m_BlockInfo->VAddrEnter());
bool bChanged = false, bSkipedSection = false;
if (Section == m_EnterSection && Section->m_Test == m_Test)
{
if (!SetupEnterSection(Section, bChanged, bSkipedSection)) { return false; }
return true;
}
if (!SetupEnterSection(Section, bChanged, bSkipedSection)) { return false; }
if (Section->m_Test == m_Test && !bChanged)
{
return true;
}
CPU_Message("%s: Set Section %d test to %X from %X", __FUNCTION__, Section->m_SectionID, m_Test, Section->m_Test);
Section->m_Test = m_Test;
m_PC = Section->m_EnterPC;
RegisterMap::iterator itr = m_EnterRegisters.find(Section->m_SectionID);
m_Reg = itr != m_EnterRegisters.end() ? *(itr->second) : Section->m_RegEnter;
m_NextInstruction = NORMAL;
uint32_t ContinueSectionPC = Section->m_ContinueSection ? Section->m_ContinueSection->m_EnterPC : (uint32_t)-1;
CPU_Message("ContinueSectionPC = %08X", ContinueSectionPC);
do
{
if (!g_MMU->LW_VAddr(m_PC, m_Command.Hex))
{
g_Notify->BreakPoint(__FILE__, __LINE__);
return false;
}
CPU_Message(" %08X: %s", m_PC, R4300iOpcodeName(m_Command.Hex, m_PC));
switch (m_Command.op)
{
case R4300i_SPECIAL:
switch (m_Command.funct)
{
case R4300i_SPECIAL_SLL: SPECIAL_SLL(); break;
case R4300i_SPECIAL_SRL: SPECIAL_SRL(); break;
case R4300i_SPECIAL_SRA: SPECIAL_SRA(); break;
case R4300i_SPECIAL_SLLV: SPECIAL_SLLV(); break;
case R4300i_SPECIAL_SRLV: SPECIAL_SRLV(); break;
case R4300i_SPECIAL_SRAV: SPECIAL_SRAV(); break;
case R4300i_SPECIAL_JR: SPECIAL_JR(); break;
case R4300i_SPECIAL_JALR: SPECIAL_JALR(); break;
case R4300i_SPECIAL_SYSCALL: SPECIAL_SYSCALL(Section); break;
case R4300i_SPECIAL_BREAK: SPECIAL_BREAK(Section); break;
case R4300i_SPECIAL_MFHI: SPECIAL_MFHI(); break;
case R4300i_SPECIAL_MTHI: SPECIAL_MTHI(); break;
case R4300i_SPECIAL_MFLO: SPECIAL_MFLO(); break;
case R4300i_SPECIAL_MTLO: SPECIAL_MTLO(); break;
case R4300i_SPECIAL_DSLLV: SPECIAL_DSLLV(); break;
case R4300i_SPECIAL_DSRLV: SPECIAL_DSRLV(); break;
case R4300i_SPECIAL_DSRAV: SPECIAL_DSRAV(); break;
case R4300i_SPECIAL_MULT: break;
case R4300i_SPECIAL_MULTU: break;
case R4300i_SPECIAL_DIV: break;
case R4300i_SPECIAL_DIVU: break;
case R4300i_SPECIAL_DMULT: break;
case R4300i_SPECIAL_DMULTU: break;
case R4300i_SPECIAL_DDIV: break;
case R4300i_SPECIAL_DDIVU: break;
case R4300i_SPECIAL_ADD: SPECIAL_ADD(); break;
case R4300i_SPECIAL_ADDU: SPECIAL_ADDU(); break;
case R4300i_SPECIAL_SUB: SPECIAL_SUB(); break;
case R4300i_SPECIAL_SUBU: SPECIAL_SUBU(); break;
case R4300i_SPECIAL_AND: SPECIAL_AND(); break;
case R4300i_SPECIAL_OR: SPECIAL_OR(); break;
case R4300i_SPECIAL_XOR: SPECIAL_XOR(); break;
case R4300i_SPECIAL_NOR: SPECIAL_NOR(); break;
case R4300i_SPECIAL_SLT: SPECIAL_SLT(); break;
case R4300i_SPECIAL_SLTU: SPECIAL_SLTU(); break;
case R4300i_SPECIAL_DADD: SPECIAL_DADD(); break;
case R4300i_SPECIAL_DADDU: SPECIAL_DADDU(); break;
case R4300i_SPECIAL_DSUB: SPECIAL_DSUB(); break;
case R4300i_SPECIAL_DSUBU: SPECIAL_DSUBU(); break;
case R4300i_SPECIAL_DSLL: SPECIAL_DSLL(); break;
case R4300i_SPECIAL_DSRL: SPECIAL_DSRL(); break;
case R4300i_SPECIAL_DSRA: SPECIAL_DSRA(); break;
case R4300i_SPECIAL_DSLL32: SPECIAL_DSLL32(); break;
case R4300i_SPECIAL_DSRL32: SPECIAL_DSRL32(); break;
case R4300i_SPECIAL_DSRA32: SPECIAL_DSRA32(); break;
case R4300i_SPECIAL_TEQ: case R4300i_SPECIAL_TNE: case R4300i_SPECIAL_TGE:
case R4300i_SPECIAL_TGEU: case R4300i_SPECIAL_TLT: case R4300i_SPECIAL_TLTU:
break;
default:
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef legacycode
if (m_Command.Hex == 0x00000001) { break; }
g_Notify->DisplayError("Unhandled R4300i OpCode in FillSectionInfo 5\n%s",
R4300iOpcodeName(m_Command.Hex, m_PC));
#endif
m_NextInstruction = END_BLOCK;
m_PC -= 4;
}
break;
case R4300i_REGIMM:
switch (m_Command.rt)
{
case R4300i_REGIMM_TEQI: case R4300i_REGIMM_TNEI: case R4300i_REGIMM_TGEI:
case R4300i_REGIMM_TGEIU: case R4300i_REGIMM_TLTI: case R4300i_REGIMM_TLTIU:
break;
case R4300i_REGIMM_BLTZ:
case R4300i_REGIMM_BGEZ:
m_NextInstruction = DELAY_SLOT;
#ifdef CHECKED_BUILD
if (Section->m_Cont.TargetPC != m_PC + 8 &&
Section->m_ContinueSection != nullptr &&
Section->m_Cont.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (Section->m_Jump.TargetPC != m_PC + ((int16_t)m_Command.offset << 2) + 4 &&
Section->m_JumpSection != nullptr &&
Section->m_Jump.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (m_PC == Section->m_Jump.TargetPC)
{
if (!DelaySlotEffectsCompare(m_PC, m_Command.rs, 0) && !Section->m_Jump.PermLoop)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
#endif
break;
case R4300i_REGIMM_BLTZL:
case R4300i_REGIMM_BGEZL:
m_NextInstruction = LIKELY_DELAY_SLOT;
#ifdef CHECKED_BUILD
if (Section->m_Cont.TargetPC != m_PC + 8 &&
Section->m_ContinueSection != nullptr &&
Section->m_Cont.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (Section->m_Jump.TargetPC != m_PC + 4 &&
Section->m_JumpSection != nullptr &&
Section->m_Jump.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
/*if (Section->m_Jump.TargetPC != m_PC + ((int16_t)m_Command.offset << 2) + 4)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}*/
if (m_PC == m_PC + ((int16_t)m_Command.offset << 2) + 4)
{
if (!DelaySlotEffectsCompare(m_PC, m_Command.rs, 0) && !Section->m_Jump.PermLoop)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
#endif
break;
case R4300i_REGIMM_BLTZAL:
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef legacycode
m_Reg.GetMipsRegLo(31) = m_PC + 8;
m_Reg.SetMipsRegState(31, CRegInfo::STATE_CONST_32_SIGN);
Section->m_Cont.TargetPC = m_PC + 8;
Section->m_Jump.TargetPC = m_PC + ((int16_t)m_Command.offset << 2) + 4;
if (m_PC == Section->m_Jump.TargetPC)
{
if (!DelaySlotEffectsCompare(m_PC, m_Command.rs, 0))
{
Section->m_Jump.PermLoop = true;
}
}
#endif
break;
case R4300i_REGIMM_BGEZAL:
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef legacycode
m_NextInstruction = DELAY_SLOT;
if (m_Reg.IsConst(m_Command.rs))
{
int64_t Value;
if (m_Reg.Is32Bit(m_Command.rs))
{
Value = m_Reg.GetMipsRegLo_S(m_Command.rs);
}
else {
Value = m_Reg.GetMipsReg_S(m_Command.rs);
}
if (Value >= 0)
{
m_Reg.GetMipsRegLo(31) = m_PC + 8;
m_Reg.SetMipsRegState(31, CRegInfo::STATE_CONST_32_SIGN);
Section->m_Jump.TargetPC = m_PC + ((int16_t)m_Command.offset << 2) + 4;
if (m_PC == Section->m_Jump.TargetPC)
{
if (!DelaySlotEffectsCompare(m_PC, 31, 0))
{
Section->m_Jump.PermLoop = true;
}
}
break;
}
}
m_Reg.GetMipsRegLo(31) = m_PC + 8;
m_Reg.SetMipsRegState(31, CRegInfo::STATE_CONST_32_SIGN);
Section->m_Cont.TargetPC = m_PC + 8;
Section->m_Jump.TargetPC = m_PC + ((int16_t)m_Command.offset << 2) + 4;
if (m_PC == Section->m_Jump.TargetPC)
{
if (!DelaySlotEffectsCompare(m_PC, m_Command.rs, 0))
{
Section->m_Jump.PermLoop = true;
}
}
#endif
break;
default:
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef legacycode
if (m_Command.Hex == 0x0407000D) { break; }
g_Notify->DisplayError("Unhandled R4300i OpCode in FillSectionInfo 4\n%s",
R4300iOpcodeName(m_Command.Hex, m_PC));
m_NextInstruction = END_BLOCK;
m_PC -= 4;
#endif
}
break;
case R4300i_JAL:
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef legacycode
m_NextInstruction = DELAY_SLOT;
m_Reg.GetMipsRegLo(31) = m_PC + 8;
m_Reg.SetMipsRegState(31, CRegInfo::STATE_CONST_32_SIGN);
Section->m_Jump.TargetPC = (m_PC & 0xF0000000) + (m_Command.target << 2);
if (m_PC == Section->m_Jump.TargetPC)
{
if (!DelaySlotEffectsCompare(m_PC, 31, 0))
{
Section->m_Jump.PermLoop = true;
}
}
#endif
break;
case R4300i_J:
m_NextInstruction = DELAY_SLOT;
#ifdef CHECKED_BUILD
if (Section->m_Jump.TargetPC != (m_PC & 0xF0000000) + (m_Command.target << 2))
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (m_PC == Section->m_Jump.TargetPC && !Section->m_Jump.PermLoop)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
#endif
break;
case R4300i_BEQ:
if (m_PC + ((int16_t)m_Command.offset << 2) + 4 != m_PC + 8)
{
m_NextInstruction = DELAY_SLOT;
#ifdef CHECKED_BUILD
if (m_Command.rs != 0 || m_Command.rt != 0)
{
if (Section->m_Cont.TargetPC != m_PC + 8 &&
Section->m_ContinueSection != nullptr &&
Section->m_Cont.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
else
{
if (Section->m_Cont.TargetPC != (uint32_t)-1)
{
//g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
if (Section->m_Jump.TargetPC != m_PC + ((int16_t)m_Command.offset << 2) + 4)
{
//g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (m_PC == Section->m_Jump.TargetPC)
{
if (!DelaySlotEffectsCompare(m_PC, m_Command.rs, m_Command.rt) && !Section->m_Jump.PermLoop)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
#endif
}
break;
case R4300i_BNE:
case R4300i_BLEZ:
case R4300i_BGTZ:
if (m_PC + ((int16_t)m_Command.offset << 2) + 4 != m_PC + 8)
{
m_NextInstruction = DELAY_SLOT;
#ifdef CHECKED_BUILD
if (Section->m_Cont.TargetPC != m_PC + 8 &&
Section->m_ContinueSection != nullptr &&
Section->m_Cont.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (Section->m_Jump.TargetPC != m_PC + ((int16_t)m_Command.offset << 2) + 4 &&
Section->m_JumpSection != nullptr &&
Section->m_Jump.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (m_PC == Section->m_Jump.TargetPC)
{
if (!DelaySlotEffectsCompare(m_PC, m_Command.rs, m_Command.rt) && !Section->m_Jump.PermLoop)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
#endif
}
break;
case R4300i_ADDI:
case R4300i_ADDIU:
if (m_Command.rt == 0) { break; }
/*if (m_Command.rs == 0) {
m_Reg.GetMipsRegLo(m_Command.rt) = (int16_t)m_Command.immediate;
m_Reg.SetMipsRegState(m_Command.rt,CRegInfo::STATE_CONST_32_SIGN);
} else {*/
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
//}
break;
case R4300i_SLTI:
case R4300i_SLTIU:
if (m_Command.rt == 0) { break; }
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
break;
case R4300i_LUI:
if (m_Command.rt == 0) { break; }
if (!m_Reg.IsModified(m_Command.rt))
{
m_Reg.SetMipsRegLo(m_Command.rt, ((int16_t)m_Command.offset << 16));
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_CONST_32_SIGN);
}
break;
case R4300i_ANDI:
if (m_Command.rt == 0) { break; }
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
break;
case R4300i_ORI:
if (m_Command.rt == 0) { break; }
if (m_Command.rs == m_Command.rt)
{
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rs)) {
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_CONST_32_SIGN);
m_Reg.SetMipsRegLo(m_Command.rt, m_Reg.GetMipsRegLo(m_Command.rs) | m_Command.immediate);
}
else {
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
}
break;
case R4300i_XORI:
if (m_Command.rt == 0) { break; }
if (m_Command.rs == m_Command.rt)
{
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_CONST_32_SIGN);
m_Reg.SetMipsRegLo(m_Command.rt, m_Reg.GetMipsRegLo(m_Command.rs) ^ m_Command.immediate);
}
else
{
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
}
break;
case R4300i_CP0:
switch (m_Command.rs)
{
case R4300i_COP0_MF:
if (m_Command.rt == 0) { break; }
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
break;
case R4300i_COP0_MT: break;
default:
if ((m_Command.rs & 0x10) != 0)
{
switch (m_Command.funct)
{
case R4300i_COP0_CO_TLBR: break;
case R4300i_COP0_CO_TLBWI: break;
case R4300i_COP0_CO_TLBWR: break;
case R4300i_COP0_CO_TLBP: break;
case R4300i_COP0_CO_ERET: m_NextInstruction = END_BLOCK; break;
default:
g_Notify->DisplayError(stdstr_f("Unhandled R4300i OpCode in FillSectionInfo\n%s", R4300iOpcodeName(m_Command.Hex, m_PC)).c_str());
m_NextInstruction = END_BLOCK;
m_PC -= 4;
}
}
else
{
g_Notify->DisplayError(stdstr_f("Unhandled R4300i OpCode in FillSectionInfo 3\n%s", R4300iOpcodeName(m_Command.Hex, m_PC)).c_str());
m_NextInstruction = END_BLOCK;
m_PC -= 4;
}
}
break;
case R4300i_CP1:
switch (m_Command.fmt)
{
case R4300i_COP1_CF:
case R4300i_COP1_MF:
case R4300i_COP1_DMF:
if (m_Command.rt == 0) { break; }
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
break;
case R4300i_COP1_BC:
switch (m_Command.ft)
{
case R4300i_COP1_BC_BCFL:
case R4300i_COP1_BC_BCTL:
m_NextInstruction = LIKELY_DELAY_SLOT;
#ifdef CHECKED_BUILD
if (Section->m_Cont.TargetPC != m_PC + 8 &&
Section->m_ContinueSection != nullptr &&
Section->m_Cont.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (m_PC == m_PC + ((int16_t)m_Command.offset << 2) + 4)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef legacycode
if (!DelaySlotEffectsCompare(m_PC, m_Command.rs, m_Command.rt))
{
if (!Section->m_Jump.PermLoop)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
#endif
}
#endif
break;
case R4300i_COP1_BC_BCF:
case R4300i_COP1_BC_BCT:
m_NextInstruction = DELAY_SLOT;
#ifdef CHECKED_BUILD
if (Section->m_Cont.TargetPC != m_PC + 8 &&
Section->m_ContinueSection != nullptr &&
Section->m_Cont.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (Section->m_Jump.TargetPC != m_PC + ((int16_t)m_Command.offset << 2) + 4)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (m_PC == Section->m_Jump.TargetPC)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef legacycode
if (!DelaySlotEffectsCompare(m_PC, m_Command.rs, m_Command.rt)) {
Section->m_Jump.PermLoop = true;
}
#endif
}
#endif
break;
}
break;
case R4300i_COP1_MT: break;
case R4300i_COP1_DMT: break;
case R4300i_COP1_CT: break;
case R4300i_COP1_S: break;
case R4300i_COP1_D: break;
case R4300i_COP1_W: break;
case R4300i_COP1_L: break;
default:
g_Notify->DisplayError(stdstr_f("Unhandled R4300i OpCode in FillSectionInfo 2\n%s", R4300iOpcodeName(m_Command.Hex, m_PC)).c_str());
m_NextInstruction = END_BLOCK;
m_PC -= 4;
}
break;
case R4300i_BEQL:
case R4300i_BNEL:
case R4300i_BLEZL:
case R4300i_BGTZL:
m_NextInstruction = LIKELY_DELAY_SLOT;
#ifdef CHECKED_BUILD
if (Section->m_Cont.TargetPC != m_PC + 8 &&
Section->m_ContinueSection != nullptr &&
Section->m_Cont.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (Section->m_Jump.TargetPC != m_PC + 4)
{
//g_Notify->BreakPoint(__FILE__, __LINE__);
}
/*if (Section->m_Jump.TargetPC != m_PC + ((int16_t)m_Command.offset << 2) + 4)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}*/
if (m_PC == m_PC + ((int16_t)m_Command.offset << 2) + 4)
{
if (!DelaySlotEffectsCompare(m_PC, m_Command.rs, m_Command.rt) && !Section->m_Jump.PermLoop)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
#endif
break;
case R4300i_DADDI:
case R4300i_DADDIU:
if (m_Command.rt == 0) { break; }
if (m_Command.rs == m_Command.rt)
{
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rs))
{
if (m_Reg.Is64Bit(m_Command.rs))
{
int imm32 = (int16_t)m_Command.immediate;
int64_t imm64 = imm32;
m_Reg.SetMipsReg_S(m_Command.rt, m_Reg.GetMipsRegLo_S(m_Command.rs) + imm64);
}
else
{
m_Reg.SetMipsReg_S(m_Command.rt, m_Reg.GetMipsRegLo_S(m_Command.rs) + (int16_t)m_Command.immediate);
}
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_CONST_64);
}
else
{
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
}
break;
case R4300i_LDR:
case R4300i_LDL:
case R4300i_LB:
case R4300i_LH:
case R4300i_LWL:
case R4300i_LW:
case R4300i_LWU:
case R4300i_LL:
case R4300i_LBU:
case R4300i_LHU:
case R4300i_LWR:
case R4300i_SC:
if (m_Command.rt == 0) { break; }
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
break;
case R4300i_SB: break;
case R4300i_SH: break;
case R4300i_SWL: break;
case R4300i_SW: break;
case R4300i_SWR: break;
case R4300i_SDL: break;
case R4300i_SDR: break;
case R4300i_CACHE: break;
case R4300i_LWC1: break;
case R4300i_SWC1: break;
case R4300i_LDC1: break;
case R4300i_LD:
if (m_Command.rt == 0) { break; }
m_Reg.SetMipsRegState(m_Command.rt, CRegInfo::STATE_MODIFIED);
break;
case R4300i_SDC1: break;
case R4300i_SD: break;
default:
m_NextInstruction = END_BLOCK;
m_PC -= 4;
if (m_Command.Hex == 0x7C1C97C0) { break; }
if (m_Command.Hex == 0x7FFFFFFF) { break; }
if (m_Command.Hex == 0xF1F3F5F7) { break; }
if (m_Command.Hex == 0xC1200000) { break; }
if (m_Command.Hex == 0x4C5A5353) { break; }
g_Notify->DisplayError(stdstr_f("Unhandled R4300i OpCode in FillSectionInfo 1\n%s\n%X", R4300iOpcodeName(m_Command.Hex, m_PC), m_Command.Hex).c_str());
}
CPU_Message(" %s state: %X value: %X", CRegName::GPR[5], m_Reg.GetMipsRegState(5), m_Reg.GetMipsRegLo(5));
if (Section->m_DelaySlot)
{
if (m_NextInstruction != NORMAL && m_NextInstruction != END_BLOCK)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
m_NextInstruction = END_BLOCK;
SetJumpRegSet(Section, m_Reg);
}
else
{
switch (m_NextInstruction)
{
case NORMAL:
m_PC += 4;
break;
case DELAY_SLOT:
m_NextInstruction = DELAY_SLOT_DONE;
m_PC += 4;
if ((m_PC & 0xFFFFF000) != (m_EnterSection->m_EnterPC & 0xFFFFF000))
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
break;
case LIKELY_DELAY_SLOT:
SetContinueRegSet(Section, m_Reg);
SetJumpRegSet(Section, m_Reg);
m_NextInstruction = END_BLOCK;
break;
case DELAY_SLOT_DONE:
SetContinueRegSet(Section, m_Reg);
SetJumpRegSet(Section, m_Reg);
m_NextInstruction = END_BLOCK;
break;
case LIKELY_DELAY_SLOT_DONE:
g_Notify->BreakPoint(__FILE__, __LINE__);
m_NextInstruction = END_BLOCK;
break;
}
}
if (m_PC == ContinueSectionPC)
{
m_NextInstruction = END_BLOCK;
SetContinueRegSet(Section, m_Reg);
}
if ((m_PC & 0xFFFFF000) != (m_EnterSection->m_EnterPC & 0xFFFFF000))
{
if (m_NextInstruction != END_BLOCK && m_NextInstruction != NORMAL)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
g_Notify->BreakPoint(__FILE__, __LINE__);
}
} while (m_NextInstruction != END_BLOCK);
if (!CheckLoopRegisterUsage(Section->m_ContinueSection)) { return false; }
if (!CheckLoopRegisterUsage(Section->m_JumpSection)) { return false; }
return true;
}
bool LoopAnalysis::SyncRegState(CRegInfo & RegSet, const CRegInfo& SyncReg)
{
bool bChanged = false;
for (int x = 0; x < 32; x++)
{
if (RegSet.GetMipsRegState(x) != SyncReg.GetMipsRegState(x))
{
CPU_Message("%s: Clear state %s RegEnter State: %X Jump Reg State: %X", __FUNCTION__, CRegName::GPR[x], RegSet.GetMipsRegState(x), SyncReg.GetMipsRegState(x));
RegSet.SetMipsRegState(x, CRegInfo::STATE_MODIFIED);
bChanged = true;
}
else if (RegSet.IsConst(x) && RegSet.Is32Bit(x) && RegSet.GetMipsRegLo(x) != SyncReg.GetMipsRegLo(x))
{
CPU_Message("%s: Clear state %s RegEnter State: %X Jump Reg State: %X", __FUNCTION__, CRegName::GPR[x], RegSet.GetMipsRegState(x), SyncReg.GetMipsRegState(x));
RegSet.SetMipsRegState(x, CRegInfo::STATE_MODIFIED);
bChanged = true;
}
else if (RegSet.IsConst(x) && RegSet.Is64Bit(x) && RegSet.GetMipsReg_S(x) != SyncReg.GetMipsReg_S(x))
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
}
return bChanged;
}
void LoopAnalysis::SetJumpRegSet(CCodeSection * Section, const CRegInfo &Reg)
{
RegisterMap::iterator itr = m_JumpRegisters.find(Section->m_SectionID);
if (itr != m_JumpRegisters.end())
{
*(itr->second) = Reg;
}
else
{
m_JumpRegisters.insert(RegisterMap::value_type(Section->m_SectionID, new CRegInfo(Reg)));
}
}
void LoopAnalysis::SetContinueRegSet(CCodeSection * Section, const CRegInfo &Reg)
{
RegisterMap::iterator itr = m_ContinueRegisters.find(Section->m_SectionID);
if (itr != m_ContinueRegisters.end())
{
*(itr->second) = Reg;
}
else
{
m_ContinueRegisters.insert(RegisterMap::value_type(Section->m_SectionID, new CRegInfo(Reg)));
}
}
void LoopAnalysis::SPECIAL_SLL()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_SRL()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_SRA()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_SLLV()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_32_SIGN);
m_Reg.SetMipsRegLo(m_Command.rd, m_Reg.GetMipsRegLo(m_Command.rt) << (m_Reg.GetMipsRegLo(m_Command.rs) & 0x1F));
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_SRLV()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_32_SIGN);
m_Reg.SetMipsRegLo(m_Command.rd, m_Reg.GetMipsRegLo(m_Command.rt) >> (m_Reg.GetMipsRegLo(m_Command.rs) & 0x1F));
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_SRAV()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_32_SIGN);
m_Reg.SetMipsRegLo(m_Command.rd, m_Reg.GetMipsRegLo_S(m_Command.rt) >> (m_Reg.GetMipsRegLo(m_Command.rs) & 0x1F));
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_JR()
{
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef legacycode
if (m_Reg.IsConst(m_Command.rs))
{
Section->m_Jump.TargetPC = m_Reg.GetMipsRegLo(m_Command.rs);
}
else
{
Section->m_Jump.TargetPC = (uint32_t)-1;
}
#endif
m_NextInstruction = DELAY_SLOT;
}
void LoopAnalysis::SPECIAL_JALR()
{
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef legacycode
m_Reg.GetMipsRegLo(m_Command.rd) = m_PC + 8;
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_32_SIGN);
if (m_Reg.IsConst(m_Command.rs)) {
Section->m_Jump.TargetPC = m_Reg.GetMipsRegLo(m_Command.rs);
}
else
{
Section->m_Jump.TargetPC = (uint32_t)-1;
}
#endif
m_NextInstruction = DELAY_SLOT;
}
void LoopAnalysis::SPECIAL_SYSCALL(CCodeSection * Section)
{
#ifdef CHECKED_BUILD
if (Section->m_ContinueSection != nullptr &&
Section->m_Cont.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (Section->m_JumpSection != nullptr &&
Section->m_Jump.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
#else
Section = Section;
#endif
m_NextInstruction = END_BLOCK;
m_PC -= 4;
}
void LoopAnalysis::SPECIAL_BREAK(CCodeSection * Section)
{
#ifdef CHECKED_BUILD
if (Section->m_ContinueSection != nullptr &&
Section->m_Cont.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
if (Section->m_JumpSection != nullptr &&
Section->m_Jump.TargetPC != (uint32_t)-1)
{
g_Notify->BreakPoint(__FILE__, __LINE__);
}
#else
Section = Section;
#endif
m_NextInstruction = END_BLOCK;
m_PC -= 4;
}
void LoopAnalysis::SPECIAL_MFHI()
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_MTHI()
{
}
void LoopAnalysis::SPECIAL_MFLO()
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_MTLO()
{
}
void LoopAnalysis::SPECIAL_DSLLV()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
m_Reg.SetMipsReg(m_Command.rd, m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg(m_Command.rt) : (uint64_t)m_Reg.GetMipsRegLo_S(m_Command.rt) << (m_Reg.GetMipsRegLo(m_Command.rs) & 0x3F));
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSRLV()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
m_Reg.SetMipsReg(m_Command.rd, m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg(m_Command.rt) : (uint64_t)m_Reg.GetMipsRegLo_S(m_Command.rt) >> (m_Reg.GetMipsRegLo(m_Command.rs) & 0x3F));
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSRAV()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs)) {
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
m_Reg.SetMipsReg(m_Command.rd, m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg_S(m_Command.rt) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rt) >> (m_Reg.GetMipsRegLo(m_Command.rs) & 0x3F));
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_ADD()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_ADDU()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_SUB()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_SUBU()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_AND()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_OR()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_XOR()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_NOR()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_SLT()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_SLTU()
{
if (m_Command.rd == 0) { return; }
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
void LoopAnalysis::SPECIAL_DADD()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsReg(m_Command.rd,
(m_Reg.Is64Bit(m_Command.rs) ? m_Reg.GetMipsReg(m_Command.rs) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rs)) +
(m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg(m_Command.rt) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rt))
);
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DADDU()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsReg(m_Command.rd,
(m_Reg.Is64Bit(m_Command.rs) ? m_Reg.GetMipsReg(m_Command.rs) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rs)) +
(m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg(m_Command.rt) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rt))
);
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSUB()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsReg(m_Command.rd,
(m_Reg.Is64Bit(m_Command.rs) ? m_Reg.GetMipsReg(m_Command.rs) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rs)) -
(m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg(m_Command.rt) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rt))
);
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSUBU()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd || m_Command.rs == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs))
{
m_Reg.SetMipsReg(m_Command.rd,
(m_Reg.Is64Bit(m_Command.rs) ? m_Reg.GetMipsReg(m_Command.rs) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rs)) -
(m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg(m_Command.rt) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rt))
);
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSLL()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
m_Reg.SetMipsReg(m_Command.rd, m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg(m_Command.rt) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rt) << m_Command.sa);
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSRL()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
m_Reg.SetMipsReg(m_Command.rd, m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg(m_Command.rt) : (uint64_t)m_Reg.GetMipsRegLo_S(m_Command.rt) >> m_Command.sa);
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSRA()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
m_Reg.SetMipsReg_S(m_Command.rd, m_Reg.Is64Bit(m_Command.rt) ? m_Reg.GetMipsReg_S(m_Command.rt) : (int64_t)m_Reg.GetMipsRegLo_S(m_Command.rt) >> m_Command.sa);
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSLL32()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_64);
m_Reg.SetMipsReg(m_Command.rd, m_Reg.GetMipsRegLo(m_Command.rt) << (m_Command.sa + 32));
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSRL32()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_32_SIGN);
m_Reg.SetMipsRegLo(m_Command.rd, (uint32_t)(m_Reg.GetMipsReg(m_Command.rt) >> (m_Command.sa + 32)));
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
void LoopAnalysis::SPECIAL_DSRA32()
{
if (m_Command.rd == 0) { return; }
if (m_Command.rt == m_Command.rd)
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
if (m_Reg.IsConst(m_Command.rt))
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_CONST_32_SIGN);
m_Reg.SetMipsRegLo(m_Command.rd, (uint32_t)(m_Reg.GetMipsReg_S(m_Command.rt) >> (m_Command.sa + 32)));
}
else
{
m_Reg.SetMipsRegState(m_Command.rd, CRegInfo::STATE_MODIFIED);
}
}
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