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PowerPC: Set host CPU rounding mode on init and savestate

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Not doing this can cause desyncs when TASing. (I don't know
how common such desyncs would be, though. For games that
don't change rounding modes, they shouldn't be a problem.)
This commit is contained in:
JosJuice
2021-06-10 19:54:07 +02:00
parent 8f9bb5612a
commit 9db0ebd4b6
9 changed files with 26 additions and 31 deletions
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4
Source/Core/Common/ArmFPURoundMode.cpp
View File

@ -41,10 +41,6 @@ void SetRoundMode(int mode)
// We don't need to do anything here since SetSIMDMode is always called after calling this
}
void SetPrecisionMode(PrecisionMode mode)
{
}
void SetSIMDMode(int rounding_mode, bool non_ieee_mode)
{
// When AH is disabled, FZ controls flush-to-zero for both inputs and outputs. When AH is enabled,

2
Source/Core/Common/FPURoundMode.h
View File

@ -29,8 +29,6 @@ enum PrecisionMode
void SetRoundMode(int mode);
void SetPrecisionMode(PrecisionMode mode);
void SetSIMDMode(int rounding_mode, bool non_ieee_mode);
/*

3
Source/Core/Common/GenericFPURoundMode.cpp
View File

@ -11,9 +11,6 @@ namespace FPURoundMode
void SetRoundMode(int mode)
{
}
void SetPrecisionMode(PrecisionMode mode)
{
}
void SetSIMDMode(int rounding_mode, bool non_ieee_mode)
{
}

5
Source/Core/Common/x64FPURoundMode.cpp
View File

@ -22,11 +22,6 @@ void SetRoundMode(int mode)
fesetround(rounding_mode_lut[mode]);
}
void SetPrecisionMode(PrecisionMode /* mode */)
{
// x64 doesn't need this - fpu is done with SSE
}
void SetSIMDMode(int rounding_mode, bool non_ieee_mode)
{
// OR-mask for disabling FPU exceptions (bits 7-12 in the MXCSR register)