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Fix regression in CRecompilerOps::SPECIAL_DADDU() 

It should only add carry if GetMipsRegLo(source2) != 0
This commit is contained in:
LegendOfDragoon 2016-01-23 02:18:08 -08:00
parent 20163e76c1
commit 392d63a0de
1 changed files with 10 additions and 2 deletions
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10
Source/Project64-core/N64System/Recompiler/RecompilerOps.cpp
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@ -4875,9 +4875,17 @@ void CRecompilerOps::SPECIAL_DADDU()
Map_GPR_64bit(m_Opcode.rd, source1); Map_GPR_64bit(m_Opcode.rd, source1);
if (IsConst(source2)) if (IsConst(source2))
{ {
AddConstToX86Reg(GetMipsRegMapLo(m_Opcode.rd), GetMipsRegLo(source2)); DWORD LoReg = GetMipsRegLo(source2);
AddConstToX86Reg(GetMipsRegMapLo(m_Opcode.rd), LoReg);
if(LoReg != 0)
{
AdcConstToX86Reg(GetMipsRegMapHi(m_Opcode.rd), GetMipsRegHi(source2)); AdcConstToX86Reg(GetMipsRegMapHi(m_Opcode.rd), GetMipsRegHi(source2));
} }
else
{
AddConstToX86Reg(GetMipsRegMapHi(m_Opcode.rd), GetMipsRegHi(source2));
}
}
else if (IsMapped(source2)) else if (IsMapped(source2))
{ {
x86Reg HiReg = Is64Bit(source2) ? GetMipsRegMapHi(source2) : Map_TempReg(x86_Any, source2, true); x86Reg HiReg = Is64Bit(source2) ? GetMipsRegMapHi(source2) : Map_TempReg(x86_Any, source2, true);