Merge pull request #6977 from lioncash/add

Interpreter_FPUtils: Set FPSCR.VXSNAN if either operand to NI_add() is a signaling NaN
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Léo Lam 2018-05-27 10:21:20 +02:00 committed by GitHub
commit e9ce75ccc4
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1 changed files with 7 additions and 1 deletions

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@ -137,16 +137,22 @@ inline double NI_div(double a, double b)
inline double NI_add(double a, double b)
{
double t = a + b;
const double t = a + b;
if (std::isnan(t))
{
if (Common::IsSNAN(a) || Common::IsSNAN(b))
SetFPException(FPSCR_VXSNAN);
if (std::isnan(a))
return MakeQuiet(a);
if (std::isnan(b))
return MakeQuiet(b);
SetFPException(FPSCR_VXISI);
return PPC_NAN;
}
return t;
}