Interpreter: Return float from ForceSingle
Performance optimization, along with making the code a little neater. Saves us from performing a single -> double -> single conversion when calling UpdateFPRFSingle.
This commit is contained in:
parent
d56721ebb9
commit
8d2c069c34
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@ -36,15 +36,13 @@ inline void SetFPException(UReg_FPSCR* fpscr, u32 mask)
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fpscr->VX = (fpscr->Hex & FPSCR_VX_ANY) != 0;
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fpscr->VX = (fpscr->Hex & FPSCR_VX_ANY) != 0;
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}
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}
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inline double ForceSingle(const UReg_FPSCR& fpscr, double value)
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inline float ForceSingle(const UReg_FPSCR& fpscr, double value)
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{
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{
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// convert to float...
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float x = static_cast<float>(value);
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float x = (float)value;
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if (!cpu_info.bFlushToZero && fpscr.NI)
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if (!cpu_info.bFlushToZero && fpscr.NI)
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{
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{
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x = Common::FlushToZero(x);
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x = Common::FlushToZero(x);
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}
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}
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// ...and back to double:
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return x;
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return x;
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}
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}
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@ -290,7 +290,7 @@ void Interpreter::fselx(UGeckoInstruction inst)
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void Interpreter::frspx(UGeckoInstruction inst) // round to single
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void Interpreter::frspx(UGeckoInstruction inst) // round to single
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{
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{
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const double b = rPS(inst.FB).PS0AsDouble();
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const double b = rPS(inst.FB).PS0AsDouble();
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const double rounded = ForceSingle(FPSCR, b);
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const float rounded = ForceSingle(FPSCR, b);
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if (std::isnan(b))
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if (std::isnan(b))
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{
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{
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@ -349,7 +349,7 @@ void Interpreter::fmulsx(UGeckoInstruction inst)
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if (FPSCR.VE == 0 || d_value.HasNoInvalidExceptions())
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if (FPSCR.VE == 0 || d_value.HasNoInvalidExceptions())
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{
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{
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const double result = ForceSingle(FPSCR, d_value.value);
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const float result = ForceSingle(FPSCR, d_value.value);
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rPS(inst.FD).Fill(result);
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rPS(inst.FD).Fill(result);
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FPSCR.FI = 0;
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FPSCR.FI = 0;
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@ -390,7 +390,7 @@ void Interpreter::fmaddsx(UGeckoInstruction inst)
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if (FPSCR.VE == 0 || d_value.HasNoInvalidExceptions())
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if (FPSCR.VE == 0 || d_value.HasNoInvalidExceptions())
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{
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{
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const double result = ForceSingle(FPSCR, d_value.value);
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const float result = ForceSingle(FPSCR, d_value.value);
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rPS(inst.FD).Fill(result);
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rPS(inst.FD).Fill(result);
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FPSCR.FI = d_value.value != result;
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FPSCR.FI = d_value.value != result;
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@ -428,7 +428,7 @@ void Interpreter::faddsx(UGeckoInstruction inst)
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if (FPSCR.VE == 0 || sum.HasNoInvalidExceptions())
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if (FPSCR.VE == 0 || sum.HasNoInvalidExceptions())
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{
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{
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const double result = ForceSingle(FPSCR, sum.value);
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const float result = ForceSingle(FPSCR, sum.value);
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rPS(inst.FD).Fill(result);
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rPS(inst.FD).Fill(result);
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PowerPC::UpdateFPRFSingle(result);
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PowerPC::UpdateFPRFSingle(result);
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}
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}
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@ -468,7 +468,7 @@ void Interpreter::fdivsx(UGeckoInstruction inst)
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if (not_divide_by_zero && not_invalid)
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if (not_divide_by_zero && not_invalid)
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{
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{
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const double result = ForceSingle(FPSCR, quotient.value);
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const float result = ForceSingle(FPSCR, quotient.value);
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rPS(inst.FD).Fill(result);
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rPS(inst.FD).Fill(result);
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PowerPC::UpdateFPRFSingle(result);
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PowerPC::UpdateFPRFSingle(result);
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}
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}
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@ -592,7 +592,7 @@ void Interpreter::fmsubsx(UGeckoInstruction inst)
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if (FPSCR.VE == 0 || product.HasNoInvalidExceptions())
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if (FPSCR.VE == 0 || product.HasNoInvalidExceptions())
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{
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{
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const double result = ForceSingle(FPSCR, product.value);
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const float result = ForceSingle(FPSCR, product.value);
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rPS(inst.FD).Fill(result);
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rPS(inst.FD).Fill(result);
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PowerPC::UpdateFPRFSingle(result);
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PowerPC::UpdateFPRFSingle(result);
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}
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}
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@ -633,8 +633,8 @@ void Interpreter::fnmaddsx(UGeckoInstruction inst)
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if (FPSCR.VE == 0 || product.HasNoInvalidExceptions())
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if (FPSCR.VE == 0 || product.HasNoInvalidExceptions())
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{
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{
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const double tmp = ForceSingle(FPSCR, product.value);
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const float tmp = ForceSingle(FPSCR, product.value);
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const double result = std::isnan(tmp) ? tmp : -tmp;
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const float result = std::isnan(tmp) ? tmp : -tmp;
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rPS(inst.FD).Fill(result);
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rPS(inst.FD).Fill(result);
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PowerPC::UpdateFPRFSingle(result);
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PowerPC::UpdateFPRFSingle(result);
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@ -676,8 +676,8 @@ void Interpreter::fnmsubsx(UGeckoInstruction inst)
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if (FPSCR.VE == 0 || product.HasNoInvalidExceptions())
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if (FPSCR.VE == 0 || product.HasNoInvalidExceptions())
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{
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{
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const double tmp = ForceSingle(FPSCR, product.value);
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const float tmp = ForceSingle(FPSCR, product.value);
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const double result = std::isnan(tmp) ? tmp : -tmp;
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const float result = std::isnan(tmp) ? tmp : -tmp;
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rPS(inst.FD).Fill(result);
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rPS(inst.FD).Fill(result);
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PowerPC::UpdateFPRFSingle(result);
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PowerPC::UpdateFPRFSingle(result);
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@ -714,7 +714,7 @@ void Interpreter::fsubsx(UGeckoInstruction inst)
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if (FPSCR.VE == 0 || difference.HasNoInvalidExceptions())
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if (FPSCR.VE == 0 || difference.HasNoInvalidExceptions())
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{
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{
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const double result = ForceSingle(FPSCR, difference.value);
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const float result = ForceSingle(FPSCR, difference.value);
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rPS(inst.FD).Fill(result);
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rPS(inst.FD).Fill(result);
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PowerPC::UpdateFPRFSingle(result);
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PowerPC::UpdateFPRFSingle(result);
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}
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}
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@ -113,8 +113,8 @@ void Interpreter::ps_div(UGeckoInstruction inst)
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const auto& a = rPS(inst.FA);
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const auto& a = rPS(inst.FA);
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const auto& b = rPS(inst.FB);
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const auto& b = rPS(inst.FB);
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const double ps0 = ForceSingle(FPSCR, NI_div(&FPSCR, a.PS0AsDouble(), b.PS0AsDouble()).value);
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const float ps0 = ForceSingle(FPSCR, NI_div(&FPSCR, a.PS0AsDouble(), b.PS0AsDouble()).value);
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const double ps1 = ForceSingle(FPSCR, NI_div(&FPSCR, a.PS1AsDouble(), b.PS1AsDouble()).value);
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const float ps1 = ForceSingle(FPSCR, NI_div(&FPSCR, a.PS1AsDouble(), b.PS1AsDouble()).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -174,8 +174,8 @@ void Interpreter::ps_rsqrte(UGeckoInstruction inst)
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if (Common::IsSNAN(ps0) || Common::IsSNAN(ps1))
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if (Common::IsSNAN(ps0) || Common::IsSNAN(ps1))
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SetFPException(&FPSCR, FPSCR_VXSNAN);
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SetFPException(&FPSCR, FPSCR_VXSNAN);
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const double dst_ps0 = ForceSingle(FPSCR, Common::ApproximateReciprocalSquareRoot(ps0));
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const float dst_ps0 = ForceSingle(FPSCR, Common::ApproximateReciprocalSquareRoot(ps0));
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const double dst_ps1 = ForceSingle(FPSCR, Common::ApproximateReciprocalSquareRoot(ps1));
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const float dst_ps1 = ForceSingle(FPSCR, Common::ApproximateReciprocalSquareRoot(ps1));
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rPS(inst.FD).SetBoth(dst_ps0, dst_ps1);
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rPS(inst.FD).SetBoth(dst_ps0, dst_ps1);
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PowerPC::UpdateFPRFSingle(dst_ps0);
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PowerPC::UpdateFPRFSingle(dst_ps0);
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@ -189,8 +189,8 @@ void Interpreter::ps_sub(UGeckoInstruction inst)
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const auto& a = rPS(inst.FA);
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const auto& a = rPS(inst.FA);
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const auto& b = rPS(inst.FB);
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const auto& b = rPS(inst.FB);
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const double ps0 = ForceSingle(FPSCR, NI_sub(&FPSCR, a.PS0AsDouble(), b.PS0AsDouble()).value);
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const float ps0 = ForceSingle(FPSCR, NI_sub(&FPSCR, a.PS0AsDouble(), b.PS0AsDouble()).value);
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const double ps1 = ForceSingle(FPSCR, NI_sub(&FPSCR, a.PS1AsDouble(), b.PS1AsDouble()).value);
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const float ps1 = ForceSingle(FPSCR, NI_sub(&FPSCR, a.PS1AsDouble(), b.PS1AsDouble()).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -204,8 +204,8 @@ void Interpreter::ps_add(UGeckoInstruction inst)
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const auto& a = rPS(inst.FA);
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const auto& a = rPS(inst.FA);
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const auto& b = rPS(inst.FB);
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const auto& b = rPS(inst.FB);
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const double ps0 = ForceSingle(FPSCR, NI_add(&FPSCR, a.PS0AsDouble(), b.PS0AsDouble()).value);
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const float ps0 = ForceSingle(FPSCR, NI_add(&FPSCR, a.PS0AsDouble(), b.PS0AsDouble()).value);
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const double ps1 = ForceSingle(FPSCR, NI_add(&FPSCR, a.PS1AsDouble(), b.PS1AsDouble()).value);
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const float ps1 = ForceSingle(FPSCR, NI_add(&FPSCR, a.PS1AsDouble(), b.PS1AsDouble()).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -222,8 +222,8 @@ void Interpreter::ps_mul(UGeckoInstruction inst)
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double ps0 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS0AsDouble(), c0).value);
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const float ps0 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS0AsDouble(), c0).value);
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const double ps1 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS1AsDouble(), c1).value);
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const float ps1 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS1AsDouble(), c1).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -241,10 +241,8 @@ void Interpreter::ps_msub(UGeckoInstruction inst)
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double ps0 =
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const float ps0 = ForceSingle(FPSCR, NI_msub(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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ForceSingle(FPSCR, NI_msub(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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const float ps1 = ForceSingle(FPSCR, NI_msub(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
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const double ps1 =
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ForceSingle(FPSCR, NI_msub(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -262,10 +260,8 @@ void Interpreter::ps_madd(UGeckoInstruction inst)
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double ps0 =
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const float ps0 = ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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const float ps1 = ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
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const double ps1 =
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ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -283,13 +279,13 @@ void Interpreter::ps_nmsub(UGeckoInstruction inst)
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double tmp0 =
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const float tmp0 =
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ForceSingle(FPSCR, NI_msub(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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ForceSingle(FPSCR, NI_msub(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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const double tmp1 =
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const float tmp1 =
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ForceSingle(FPSCR, NI_msub(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
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ForceSingle(FPSCR, NI_msub(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
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const double ps0 = std::isnan(tmp0) ? tmp0 : -tmp0;
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const float ps0 = std::isnan(tmp0) ? tmp0 : -tmp0;
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const double ps1 = std::isnan(tmp1) ? tmp1 : -tmp1;
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const float ps1 = std::isnan(tmp1) ? tmp1 : -tmp1;
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -307,13 +303,13 @@ void Interpreter::ps_nmadd(UGeckoInstruction inst)
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double tmp0 =
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const float tmp0 =
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ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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const double tmp1 =
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const float tmp1 =
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ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
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ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
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const double ps0 = std::isnan(tmp0) ? tmp0 : -tmp0;
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const float ps0 = std::isnan(tmp0) ? tmp0 : -tmp0;
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const double ps1 = std::isnan(tmp1) ? tmp1 : -tmp1;
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const float ps1 = std::isnan(tmp1) ? tmp1 : -tmp1;
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -328,8 +324,8 @@ void Interpreter::ps_sum0(UGeckoInstruction inst)
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const auto& b = rPS(inst.FB);
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const auto& b = rPS(inst.FB);
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const auto& c = rPS(inst.FC);
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const auto& c = rPS(inst.FC);
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const double ps0 = ForceSingle(FPSCR, NI_add(&FPSCR, a.PS0AsDouble(), b.PS1AsDouble()).value);
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const float ps0 = ForceSingle(FPSCR, NI_add(&FPSCR, a.PS0AsDouble(), b.PS1AsDouble()).value);
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const double ps1 = ForceSingle(FPSCR, c.PS1AsDouble());
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const float ps1 = ForceSingle(FPSCR, c.PS1AsDouble());
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -344,8 +340,8 @@ void Interpreter::ps_sum1(UGeckoInstruction inst)
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const auto& b = rPS(inst.FB);
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const auto& b = rPS(inst.FB);
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const auto& c = rPS(inst.FC);
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const auto& c = rPS(inst.FC);
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const double ps0 = ForceSingle(FPSCR, c.PS0AsDouble());
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const float ps0 = ForceSingle(FPSCR, c.PS0AsDouble());
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const double ps1 = ForceSingle(FPSCR, NI_add(&FPSCR, a.PS0AsDouble(), b.PS1AsDouble()).value);
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const float ps1 = ForceSingle(FPSCR, NI_add(&FPSCR, a.PS0AsDouble(), b.PS1AsDouble()).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps1);
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PowerPC::UpdateFPRFSingle(ps1);
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@ -360,8 +356,8 @@ void Interpreter::ps_muls0(UGeckoInstruction inst)
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const auto& c = rPS(inst.FC);
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const auto& c = rPS(inst.FC);
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double ps0 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS0AsDouble(), c0).value);
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const float ps0 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS0AsDouble(), c0).value);
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const double ps1 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS1AsDouble(), c0).value);
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const float ps1 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS1AsDouble(), c0).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -376,8 +372,8 @@ void Interpreter::ps_muls1(UGeckoInstruction inst)
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const auto& c = rPS(inst.FC);
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const auto& c = rPS(inst.FC);
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
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const double ps0 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS0AsDouble(), c1).value);
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const float ps0 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS0AsDouble(), c1).value);
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const double ps1 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS1AsDouble(), c1).value);
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const float ps1 = ForceSingle(FPSCR, NI_mul(&FPSCR, a.PS1AsDouble(), c1).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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@ -393,10 +389,8 @@ void Interpreter::ps_madds0(UGeckoInstruction inst)
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const auto& c = rPS(inst.FC);
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const auto& c = rPS(inst.FC);
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double c0 = Force25Bit(c.PS0AsDouble());
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const double ps0 =
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const float ps0 = ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS0AsDouble(), c0, b.PS0AsDouble()).value);
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const float ps1 = ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS1AsDouble(), c0, b.PS1AsDouble()).value);
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const double ps1 =
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ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS1AsDouble(), c0, b.PS1AsDouble()).value);
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rPS(inst.FD).SetBoth(ps0, ps1);
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rPS(inst.FD).SetBoth(ps0, ps1);
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PowerPC::UpdateFPRFSingle(ps0);
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PowerPC::UpdateFPRFSingle(ps0);
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||||||
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@ -412,10 +406,8 @@ void Interpreter::ps_madds1(UGeckoInstruction inst)
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const auto& c = rPS(inst.FC);
|
const auto& c = rPS(inst.FC);
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||||||
|
|
||||||
const double c1 = Force25Bit(c.PS1AsDouble());
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const double c1 = Force25Bit(c.PS1AsDouble());
|
||||||
const double ps0 =
|
const float ps0 = ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS0AsDouble(), c1, b.PS0AsDouble()).value);
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||||||
ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS0AsDouble(), c1, b.PS0AsDouble()).value);
|
const float ps1 = ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
|
||||||
const double ps1 =
|
|
||||||
ForceSingle(FPSCR, NI_madd(&FPSCR, a.PS1AsDouble(), c1, b.PS1AsDouble()).value);
|
|
||||||
|
|
||||||
rPS(inst.FD).SetBoth(ps0, ps1);
|
rPS(inst.FD).SetBoth(ps0, ps1);
|
||||||
PowerPC::UpdateFPRFSingle(ps0);
|
PowerPC::UpdateFPRFSingle(ps0);
|
||||||
|
|
Loading…
Reference in New Issue