Interpreter_FloatingPoint: Set FPSCR.VXSNAN if input to fres is a signaling NaN
fres is defined as having the VXSNAN bit set if an input to the instruction is a signaling NaN
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@ -394,7 +394,7 @@ void Interpreter::fdivsx(UGeckoInstruction inst)
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// Single precision only.
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void Interpreter::fresx(UGeckoInstruction inst)
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{
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double b = rPS0(inst.FB);
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const double b = rPS0(inst.FB);
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rPS0(inst.FD) = rPS1(inst.FD) = Common::ApproximateReciprocal(b);
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if (b == 0.0)
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@ -402,6 +402,11 @@ void Interpreter::fresx(UGeckoInstruction inst)
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SetFPException(FPSCR_ZX);
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}
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if (Common::IsSNAN(b))
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{
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SetFPException(FPSCR_VXSNAN);
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}
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PowerPC::UpdateFPRF(rPS0(inst.FD));
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if (inst.Rc)
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