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Loop Analysis: SLTU and SLT marks register as changed

This commit is contained in:
zilmar 2013-03-26 22:18:53 +11:00
parent c823815cc1
commit 4ae369ab81
1 changed files with 2 additions and 28 deletions
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26
Source/Project64/N64 System/Recompiler/Loop Analysis.cpp
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@ -1051,40 +1051,14 @@ void LoopAnalysis::SPECIAL_NOR ( void )
void LoopAnalysis::SPECIAL_SLT ( void ) void LoopAnalysis::SPECIAL_SLT ( void )
{ {
if (m_Command.rd == 0) { return; } if (m_Command.rd == 0) { return; }
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs)) {
if (m_Reg.Is64Bit(m_Command.rt) || m_Reg.Is64Bit(m_Command.rs)) {
if (m_Reg.Is64Bit(m_Command.rt)) {
m_Reg.SetMipsRegLo(m_Command.rd, (m_Reg.GetMipsRegLo_S(m_Command.rs) < m_Reg.GetMipsReg_S(m_Command.rt))?1:0);
} else {
m_Reg.SetMipsRegLo(m_Command.rd, (m_Reg.GetMipsReg_S(m_Command.rs) < m_Reg.GetMipsRegLo_S(m_Command.rt))?1:0);
}
} else {
m_Reg.SetMipsRegLo(m_Command.rd, (m_Reg.GetMipsRegLo_S(m_Command.rs) < m_Reg.GetMipsRegLo_S(m_Command.rt))?1:0);
}
m_Reg.SetMipsRegState(m_Command.rd,CRegInfo::STATE_CONST_32);
} else {
m_Reg.SetMipsRegState(m_Command.rd,CRegInfo::STATE_MODIFIED); m_Reg.SetMipsRegState(m_Command.rd,CRegInfo::STATE_MODIFIED);
} }
}
void LoopAnalysis::SPECIAL_SLTU ( void ) void LoopAnalysis::SPECIAL_SLTU ( void )
{ {
if (m_Command.rd == 0) { return; } if (m_Command.rd == 0) { return; }
if (m_Reg.IsConst(m_Command.rt) && m_Reg.IsConst(m_Command.rs)) {
if (m_Reg.Is64Bit(m_Command.rt) || m_Reg.Is64Bit(m_Command.rs)) {
if (m_Reg.Is64Bit(m_Command.rt)) {
m_Reg.SetMipsRegLo(m_Command.rd,(m_Reg.GetMipsRegLo(m_Command.rs) < m_Reg.GetMipsReg(m_Command.rt))?1:0);
} else {
m_Reg.SetMipsRegLo(m_Command.rd,(m_Reg.GetMipsReg(m_Command.rs) < m_Reg.GetMipsRegLo(m_Command.rt))?1:0);
}
} else {
m_Reg.SetMipsRegLo(m_Command.rd,(m_Reg.GetMipsRegLo(m_Command.rs) < m_Reg.GetMipsRegLo(m_Command.rt))?1:0);
}
m_Reg.SetMipsRegState(m_Command.rd,CRegInfo::STATE_CONST_32);
} else {
m_Reg.SetMipsRegState(m_Command.rd,CRegInfo::STATE_MODIFIED); m_Reg.SetMipsRegState(m_Command.rd,CRegInfo::STATE_MODIFIED);
} }
}
void LoopAnalysis::SPECIAL_DADD ( void ) void LoopAnalysis::SPECIAL_DADD ( void )
{ {