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Merge pull request #887 from FioraAeterna/fmulinterp 

Bugfixes for fmul rounding
This commit is contained in:
shuffle2 2014-08-26 21:50:43 -07:00
parent 75b9d6da48 1a0a33518b
commit 061f2058c2
2 changed files with 7 additions and 7 deletions
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12
Source/Core/Core/PowerPC/Interpreter/Interpreter_FloatingPoint.cpp
View File

@ -481,8 +481,8 @@ void Interpreter::fmsubx(UGeckoInstruction _inst)
void Interpreter::fmsubsx(UGeckoInstruction _inst) void Interpreter::fmsubsx(UGeckoInstruction _inst)
{ {
rPS0(_inst.FD) = rPS1(_inst.FD) = double c_value = Force25Bit(rPS0(_inst.FC));
ForceSingle(NI_msub(rPS0(_inst.FA), rPS0(_inst.FC), rPS0(_inst.FB))); rPS0(_inst.FD) = rPS1(_inst.FD) = ForceSingle(NI_msub(rPS0(_inst.FA), c_value, rPS0(_inst.FB)));
UpdateFPRF(rPS0(_inst.FD)); UpdateFPRF(rPS0(_inst.FD));
if (_inst.Rc) if (_inst.Rc)
@ -500,8 +500,8 @@ void Interpreter::fnmaddx(UGeckoInstruction _inst)
void Interpreter::fnmaddsx(UGeckoInstruction _inst) void Interpreter::fnmaddsx(UGeckoInstruction _inst)
{ {
rPS0(_inst.FD) = rPS1(_inst.FD) = double c_value = Force25Bit(rPS0(_inst.FC));
ForceSingle(-NI_madd(rPS0(_inst.FA), rPS0(_inst.FC), rPS0(_inst.FB))); rPS0(_inst.FD) = rPS1(_inst.FD) = ForceSingle(-NI_madd(rPS0(_inst.FA), c_value, rPS0(_inst.FB)));
UpdateFPRF(rPS0(_inst.FD)); UpdateFPRF(rPS0(_inst.FD));
if (_inst.Rc) if (_inst.Rc)
@ -520,8 +520,8 @@ void Interpreter::fnmsubx(UGeckoInstruction _inst)
// fnmsubsx does not handle QNAN properly - see NI_msub // fnmsubsx does not handle QNAN properly - see NI_msub
void Interpreter::fnmsubsx(UGeckoInstruction _inst) void Interpreter::fnmsubsx(UGeckoInstruction _inst)
{ {
rPS0(_inst.FD) = rPS1(_inst.FD) = double c_value = Force25Bit(rPS0(_inst.FC));
ForceSingle(-NI_msub(rPS0(_inst.FA), rPS0(_inst.FC), rPS0(_inst.FB))); rPS0(_inst.FD) = rPS1(_inst.FD) = ForceSingle(-NI_msub(rPS0(_inst.FA), c_value, rPS0(_inst.FB)));
UpdateFPRF(rPS0(_inst.FD)); UpdateFPRF(rPS0(_inst.FD));
if (_inst.Rc) if (_inst.Rc)

2
Source/Core/Core/PowerPC/Interpreter/Interpreter_Paired.cpp
View File

@ -349,7 +349,7 @@ void Interpreter::ps_sum1(UGeckoInstruction _inst)
void Interpreter::ps_muls0(UGeckoInstruction _inst) void Interpreter::ps_muls0(UGeckoInstruction _inst)
{ {
double c0 = Force25Bit(rPS1(_inst.FC)); double c0 = Force25Bit(rPS0(_inst.FC));
double p0 = ForceSingle(NI_mul(rPS0(_inst.FA), c0)); double p0 = ForceSingle(NI_mul(rPS0(_inst.FA), c0));
double p1 = ForceSingle(NI_mul(rPS1(_inst.FA), c0)); double p1 = ForceSingle(NI_mul(rPS1(_inst.FA), c0));
rPS0(_inst.FD) = p0; rPS0(_inst.FD) = p0;