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Interpreter: use the VERY_ACCURATE_FP code

This commit is contained in:
Tillmann Karras 2015-06-03 20:50:44 +02:00
parent 68eb83ea83
commit 088668606d
1 changed files with 0 additions and 23 deletions
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23
Source/Core/Core/PowerPC/Interpreter/Interpreter_FPUtils.h
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@ -11,9 +11,6 @@
#include "Core/PowerPC/Gekko.h" #include "Core/PowerPC/Gekko.h"
#include "Core/PowerPC/Interpreter/Interpreter.h" #include "Core/PowerPC/Interpreter/Interpreter.h"
// warning! very slow! This setting fixes NAN
//#define VERY_ACCURATE_FP
#define MIN_SINGLE 0xc7efffffe0000000ull #define MIN_SINGLE 0xc7efffffe0000000ull
#define MAX_SINGLE 0x47efffffe0000000ull #define MAX_SINGLE 0x47efffffe0000000ull
@ -86,7 +83,6 @@ inline double Force25Bit(double d)
inline double NI_mul(double a, double b) inline double NI_mul(double a, double b)
{ {
#ifdef VERY_ACCURATE_FP
if (a != a) return a; if (a != a) return a;
if (b != b) return b; if (b != b) return b;
double t = a * b; double t = a * b;
@ -96,14 +92,10 @@ inline double NI_mul(double a, double b)
return PPC_NAN; return PPC_NAN;
} }
return t; return t;
#else
return a * b;
#endif
} }
inline double NI_add(double a, double b) inline double NI_add(double a, double b)
{ {
#ifdef VERY_ACCURATE_FP
if (a != a) return a; if (a != a) return a;
if (b != b) return b; if (b != b) return b;
double t = a + b; double t = a + b;
@ -113,14 +105,10 @@ inline double NI_add(double a, double b)
return PPC_NAN; return PPC_NAN;
} }
return t; return t;
#else
return a + b;
#endif
} }
inline double NI_sub(double a, double b) inline double NI_sub(double a, double b)
{ {
#ifdef VERY_ACCURATE_FP
if (a != a) return a; if (a != a) return a;
if (b != b) return b; if (b != b) return b;
double t = a - b; double t = a - b;
@ -130,14 +118,10 @@ inline double NI_sub(double a, double b)
return PPC_NAN; return PPC_NAN;
} }
return t; return t;
#else
return a - b;
#endif
} }
inline double NI_madd(double a, double c, double b, bool negate = false) inline double NI_madd(double a, double c, double b, bool negate = false)
{ {
#ifdef VERY_ACCURATE_FP
if (a != a) return a; if (a != a) return a;
if (b != b) return b; if (b != b) return b;
if (c != c) return c; if (c != c) return c;
@ -153,15 +137,11 @@ inline double NI_madd(double a, double c, double b, bool negate = false)
SetFPException(FPSCR_VXISI); SetFPException(FPSCR_VXISI);
return PPC_NAN; return PPC_NAN;
} }
#else
double t = NI_add(NI_mul(a, c), b);
#endif
return negate ? -t : t; return negate ? -t : t;
} }
inline double NI_msub(double a, double c, double b, bool negate = false) inline double NI_msub(double a, double c, double b, bool negate = false)
{ {
#ifdef VERY_ACCURATE_FP
if (a != a) return a; if (a != a) return a;
if (b != b) return b; if (b != b) return b;
if (c != c) return c; if (c != c) return c;
@ -178,9 +158,6 @@ inline double NI_msub(double a, double c, double b, bool negate = false)
SetFPException(FPSCR_VXISI); SetFPException(FPSCR_VXISI);
return PPC_NAN; return PPC_NAN;
} }
#else
double t = NI_sub(NI_mul(a, c), b);
#endif
return negate ? -t : t; return negate ? -t : t;
} }