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Interpreter_FloatingPoint: Handle QNaNs properly in frsp

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Essentially the same behavior as the SNaN path, minus the conditional result and setting of the VXSNAN FPSCR bit.
This commit is contained in:
Lioncash
2018-04-12 02:51:37 -04:00
parent 965b963a6f
commit a36bf438cd
1 changed files with 6 additions and 3 deletions
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9
Source/Core/Core/PowerPC/Interpreter/Interpreter_FloatingPoint.cpp
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@ -275,11 +275,14 @@ void Interpreter::frspx(UGeckoInstruction inst) // round to single
const double b = rPS0(inst.FB);
const double rounded = ForceSingle(b);
if (MathUtil::IsSNAN(b))
if (std::isnan(b))
{
SetFPException(FPSCR_VXSNAN);
const bool is_snan = MathUtil::IsSNAN(b);
if (FPSCR.VE == 0)
if (is_snan)
SetFPException(FPSCR_VXSNAN);
if (!is_snan || FPSCR.VE == 0)
{
rPS0(inst.FD) = rounded;
rPS1(inst.FD) = rounded;