preserve-emulation/RMG
1
0
Fork 0
mirror of https://github.com/Rosalie241/RMG.git synced 2026-07-11 01:24:01 +02:00
Code Issues Packages Projects Releases Wiki Activity

a

Browse Source
This commit is contained in:
Rosalie Wanders
2025-10-11 14:32:51 +02:00
parent 9457552941
commit b78738e6ef
2 changed files with 53 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Source/3rdParty/mupen64plus-core/projects/unix/Makefile
Vendored
-10
View File
@@ -736,16 +736,6 @@ endif
ifeq ($(ACCURATE_FPU), 1)
CFLAGS += -DACCURATE_FPU_BEHAVIOR
# -O2 & -O3 enable -ftree-pre in GCC
# which break some FPU functions and cause
# a lot of test failures in n64-systemtest,
# so fix that by disabling -ftree-pre
# TODO: test with different GCC versions
# NOTE: tested with GCC 13.2.1
CC_VERSION := $(shell $(CC) --version)
ifneq ($(findstring GCC,$(CC_VERSION)), )
CFLAGS += -fno-tree-pre
endif
endif
ifeq ($(DEBUGGER), 1)
Source/3rdParty/mupen64plus-core/src/device/r4300/fpu.h
Vendored
+53 -47
View File
@@ -44,6 +44,7 @@ static __inline float truncf(float x) { return (float)(int)x; }
#else
#define M64P_FPU_INLINE static inline
#define M64P_FPU_LOCAL static
#include <fenv.h>
#endif
@@ -90,26 +91,26 @@ M64P_FPU_INLINE void set_rounding(uint32_t fcr31)
}
#ifdef ACCURATE_FPU_BEHAVIOR
M64P_FPU_INLINE int is_qnan_float(const float* value)
M64P_FPU_LOCAL int is_qnan_float(const float* value)
{
uint32_t v;
memcpy(&v, value, 4);
return (v & (1 << 22)) != 0;
}
M64P_FPU_INLINE int is_qnan_double(const double* value)
M64P_FPU_LOCAL int is_qnan_double(const double* value)
{
uint64_t v;
memcpy(&v, value, 8);
return (v & (1L << 51)) != 0;
}
M64P_FPU_INLINE void fpu_reset_cause(uint32_t* fcr31)
M64P_FPU_LOCAL void fpu_reset_cause(uint32_t* fcr31)
{
(*fcr31) &= ~FCR31_CAUSE_BITS;
}
M64P_FPU_INLINE int fpu_throw_exception(uint32_t* fcr31)
M64P_FPU_LOCAL int fpu_throw_exception(uint32_t* fcr31)
{
if ((*fcr31) & FCR31_ENABLE_DIVBYZERO_BIT &&
(*fcr31) & FCR31_CAUSE_DIVBYZERO_BIT)
@@ -155,16 +156,18 @@ M64P_FPU_INLINE int fpu_throw_exception(uint32_t* fcr31)
return 0;
}
M64P_FPU_INLINE void fpu_reset_exceptions()
M64P_FPU_LOCAL void fpu_reset_exceptions()
{
feclearexcept(FE_ALL_EXCEPT);
}
M64P_FPU_INLINE int fpu_check_exceptions(uint32_t* fcr31)
M64P_FPU_LOCAL int fpu_check_exceptions(uint32_t* fcr31, uint8_t checkInvalidOp)
{
int fexceptions;
fexceptions = fetestexcept(FE_ALL_EXCEPT) & FE_ALL_EXCEPT;
int fexceptions = fetestexcept(FE_ALL_EXCEPT) & FE_ALL_EXCEPT;
if (!fexceptions)
{
return 0;
}
const int divByZeroEnabled = (*fcr31) & FCR31_ENABLE_DIVBYZERO_BIT;
const int inexactEnabled = (*fcr31) & FCR31_ENABLE_INEXACT_BIT;
@@ -176,17 +179,14 @@ M64P_FPU_INLINE int fpu_check_exceptions(uint32_t* fcr31)
if (fexceptions & FE_UNDERFLOW)
{
if (!((*fcr31) & FCR31_FS_BIT) ||
(*fcr31) & FCR31_ENABLE_UNDERFLOW_BIT ||
(*fcr31) & FCR31_ENABLE_INEXACT_BIT)
((*fcr31) & FCR31_ENABLE_UNDERFLOW_BIT) ||
((*fcr31) & FCR31_ENABLE_INEXACT_BIT))
{
(*fcr31) |= FCR31_CAUSE_UNIMPLOP_BIT;
return 1;
}
(*fcr31) |= FCR31_CAUSE_UNDERFLOW_BIT;
if (!underflowEnabled) (*fcr31) |= FCR31_FLAG_UNDERFLOW_BIT;
else throw_exception |= 1;
}
if (fexceptions & FE_DIVBYZERO)
{
(*fcr31) |= FCR31_CAUSE_DIVBYZERO_BIT;
@@ -199,6 +199,12 @@ M64P_FPU_INLINE int fpu_check_exceptions(uint32_t* fcr31)
if (!inexactEnabled) (*fcr31) |= FCR31_FLAG_INEXACT_BIT;
else throw_exception |= 1;
}
if (fexceptions & FE_UNDERFLOW)
{
(*fcr31) |= FCR31_CAUSE_UNDERFLOW_BIT;
if (!underflowEnabled) (*fcr31) |= FCR31_FLAG_UNDERFLOW_BIT;
else throw_exception |= 1;
}
if (fexceptions & FE_OVERFLOW)
{
(*fcr31) |= FCR31_CAUSE_OVERFLOW_BIT;
@@ -215,7 +221,7 @@ M64P_FPU_INLINE int fpu_check_exceptions(uint32_t* fcr31)
return throw_exception;
}
M64P_FPU_INLINE int fpu_check_input_float(uint32_t* fcr31, const float* value)
M64P_FPU_LOCAL int fpu_check_input_float(uint32_t* fcr31, const float* value)
{
switch (fpclassify(*value))
{
@@ -242,7 +248,7 @@ M64P_FPU_INLINE int fpu_check_input_float(uint32_t* fcr31, const float* value)
return 0;
}
M64P_FPU_INLINE int fpu_check_input_double(uint32_t* fcr31, const double* value)
M64P_FPU_LOCAL int fpu_check_input_double(uint32_t* fcr31, const double* value)
{
switch (fpclassify(*value))
{
@@ -269,7 +275,7 @@ M64P_FPU_INLINE int fpu_check_input_double(uint32_t* fcr31, const double* value)
return 0;
}
M64P_FPU_INLINE int fpu_check_input_float_conv_int32(uint32_t* fcr31, const float* source)
M64P_FPU_LOCAL int fpu_check_input_float_conv_int32(uint32_t* fcr31, const float* source)
{
switch (fpclassify(*source))
{
@@ -292,7 +298,7 @@ M64P_FPU_INLINE int fpu_check_input_float_conv_int32(uint32_t* fcr31, const floa
return 0;
}
M64P_FPU_INLINE int fpu_check_input_double_conv_int32(uint32_t* fcr31, const double* source)
M64P_FPU_LOCAL int fpu_check_input_double_conv_int32(uint32_t* fcr31, const double* source)
{
switch (fpclassify(*source))
{
@@ -315,7 +321,7 @@ M64P_FPU_INLINE int fpu_check_input_double_conv_int32(uint32_t* fcr31, const dou
return 0;
}
M64P_FPU_INLINE void fpu_flush_output_float(uint32_t* fcr31, float* value)
M64P_FPU_LOCAL void fpu_flush_output_float(uint32_t* fcr31, float* value)
{
switch (fegetround())
{
@@ -334,7 +340,7 @@ M64P_FPU_INLINE void fpu_flush_output_float(uint32_t* fcr31, float* value)
}
}
M64P_FPU_INLINE void fpu_flush_output_double(uint32_t* fcr31, double* value)
M64P_FPU_LOCAL void fpu_flush_output_double(uint32_t* fcr31, double* value)
{
switch (fegetround())
{
@@ -353,7 +359,7 @@ M64P_FPU_INLINE void fpu_flush_output_double(uint32_t* fcr31, double* value)
}
}
M64P_FPU_INLINE int fpu_check_output_float(uint32_t* fcr31, float* value)
M64P_FPU_LOCAL int fpu_check_output_float(uint32_t* fcr31, float* value)
{
switch (fpclassify(*value))
{
@@ -384,7 +390,7 @@ M64P_FPU_INLINE int fpu_check_output_float(uint32_t* fcr31, float* value)
return 0;
}
M64P_FPU_INLINE int fpu_check_output_double(uint32_t* fcr31, double* value)
M64P_FPU_LOCAL int fpu_check_output_double(uint32_t* fcr31, double* value)
{
switch (fpclassify(*value))
{
@@ -430,7 +436,7 @@ M64P_FPU_INLINE void fpu_reset_exceptions()
{
}
M64P_FPU_INLINE int fpu_check_exceptions(uint32_t* fcr31)
M64P_FPU_INLINE int fpu_check_exceptions(uint32_t* fcr31, uint8_t checkInvalidOp)
{
return 0;
}
@@ -475,7 +481,7 @@ M64P_FPU_INLINE int cvt_s_w(uint32_t* fcr31, const int32_t* source, float* dest)
float value = (float)*source;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_float(fcr31, &value)) return 1;
*dest = value;
@@ -490,7 +496,7 @@ M64P_FPU_INLINE int cvt_d_w(uint32_t* fcr31, const int32_t* source, double* dest
double value = (double)*source;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_double(fcr31, &value)) return 1;
*dest = value;
@@ -512,7 +518,7 @@ M64P_FPU_INLINE int cvt_s_l(uint32_t* fcr31, const int64_t* source, float* dest)
float value = (float)*source;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_float(fcr31, &value)) return 1;
*dest = value;
@@ -534,7 +540,7 @@ M64P_FPU_INLINE int cvt_d_l(uint32_t* fcr31, const int64_t* source, double* dest
double value = (double)*source;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_double(fcr31, &value)) return 1;
*dest = value;
@@ -551,7 +557,7 @@ M64P_FPU_INLINE int cvt_d_s(uint32_t* fcr31, const float* source, double* dest)
double value = (double)*source;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_double(fcr31, &value)) return 1;
*dest = value;
@@ -568,7 +574,7 @@ M64P_FPU_INLINE int cvt_s_d(uint32_t* fcr31, const double* source, float* dest)
float value = (float)*source;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_float(fcr31, &value)) return 1;
*dest = value;
@@ -605,7 +611,7 @@ M64P_FPU_INLINE int round_w_s(uint32_t* fcr31, const float* source, int32_t* des
int32_t value = (int32_t)roundf(*source);
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (*source != value)
{
@@ -632,7 +638,7 @@ M64P_FPU_INLINE int trunc_w_s(uint32_t* fcr31, const float* source, int32_t* des
int32_t value = (int32_t)truncf(*source);
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (*source != value)
{
@@ -659,7 +665,7 @@ M64P_FPU_INLINE int ceil_w_s(uint32_t* fcr31, const float* source, int32_t* dest
int32_t value = (int32_t)ceilf(*source);
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
*dest = value;
return 0;
@@ -748,7 +754,7 @@ M64P_FPU_INLINE int cvt_w_s(uint32_t* fcr31, const float* source, int32_t* dest)
int32_t value = rintf(*source);
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
*dest = value;
return 0;
@@ -764,7 +770,7 @@ M64P_FPU_INLINE int cvt_w_d(uint32_t* fcr31, const double* source, int32_t* dest
int32_t value = rint(*source);
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
*dest = value;
return 0;
@@ -783,7 +789,7 @@ M64P_FPU_INLINE void cvt_l_s(uint32_t* fcr31, const float* source, int64_t* dest
case 3: floor_l_s(source, dest); return;
}
fpu_check_exceptions(fcr31);
fpu_check_exceptions(fcr31, 0);
}
M64P_FPU_INLINE void cvt_l_d(uint32_t* fcr31, const double* source, int64_t* dest)
{
@@ -798,7 +804,7 @@ M64P_FPU_INLINE void cvt_l_d(uint32_t* fcr31, const double* source, int64_t* des
case 3: floor_l_d(source, dest); return;
}
fpu_check_exceptions(fcr31);
fpu_check_exceptions(fcr31, 0);
}
M64P_FPU_INLINE void c_f_s(uint32_t* fcr31, const float* source, const float* target)
@@ -1295,7 +1301,7 @@ M64P_FPU_INLINE int add_s(uint32_t* fcr31, const float* source1, const float* so
float value = *source1 + *source2;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_float(fcr31, &value)) return 1;
*target = value;
@@ -1314,7 +1320,7 @@ M64P_FPU_INLINE int sub_s(uint32_t* fcr31, const float* source1, const float* so
float value = *source1 - *source2;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_float(fcr31, &value)) return 1;
*target = value;
@@ -1333,7 +1339,7 @@ M64P_FPU_INLINE int mul_s(uint32_t* fcr31, const float* source1, const float* so
float value = *source1 * *source2;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_float(fcr31, &value)) return 1;
*target = value;
@@ -1352,7 +1358,7 @@ M64P_FPU_INLINE int div_s(uint32_t* fcr31, const float* source1, const float* so
float value = *source1 / *source2;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_float(fcr31, &value)) return 1;
*target = value;
@@ -1370,7 +1376,7 @@ M64P_FPU_INLINE int sqrt_s(uint32_t* fcr31, const float* source, float* target)
float value = sqrtf(*source);
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_float(fcr31, &value)) return 1;
*target = value;
@@ -1419,7 +1425,7 @@ M64P_FPU_INLINE int add_d(uint32_t* fcr31, const double* source1, const double*
double value = *source1 + *source2;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_double(fcr31, &value)) return 1;
*target = value;
@@ -1438,7 +1444,7 @@ M64P_FPU_INLINE int sub_d(uint32_t* fcr31, const double* source1, const double*
double value = *source1 - *source2;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_double(fcr31, &value)) return 1;
*target = value;
@@ -1457,7 +1463,7 @@ M64P_FPU_INLINE int mul_d(uint32_t* fcr31, const double* source1, const double*
double value = *source1 * *source2;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_double(fcr31, &value)) return 1;
*target = value;
@@ -1476,7 +1482,7 @@ M64P_FPU_INLINE int div_d(uint32_t* fcr31, const double* source1, const double*
double value = *source1 / *source2;
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_double(fcr31, &value)) return 1;
*target = value;
@@ -1494,7 +1500,7 @@ M64P_FPU_INLINE int sqrt_d(uint32_t* fcr31, const double* source, double* target
double value = sqrt(*source);
if (fpu_check_exceptions(fcr31)) return 1;
if (fpu_check_exceptions(fcr31, 0)) return 1;
if (fpu_check_output_double(fcr31, &value)) return 1;
*target = value;