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Interpreter: fix carry calculation in srawx

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I don't know anything this affected, but it didn't match the manual (or JIT).
This commit is contained in:
Fiora 2014-09-14 15:08:57 -07:00
parent 84a564a304
commit 9b8cfcdc29
1 changed files with 4 additions and 2 deletions
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6
Source/Core/Core/PowerPC/Interpreter/Interpreter_Integer.cpp
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@ -362,8 +362,10 @@ void Interpreter::srawx(UGeckoInstruction _inst)
}
else
{
m_GPR[_inst.RA] = (u32)((s32)m_GPR[_inst.RS] >> amount);
if (m_GPR[_inst.RS] & 0x80000000)
s32 rrs = m_GPR[_inst.RS];
m_GPR[_inst.RA] = rrs >> amount;
if ((rrs < 0) && (rrs << (32 - amount)))
SetCarry(1);
else
SetCarry(0);