prime/include/dolphin/os/OSFastCast.h

49 lines
856 B
C

#ifndef _DOLPHIN_OSFASTCAST
#define _DOLPHIN_OSFASTCAST
#ifdef __cplusplus
extern "C" {
#endif
#define OS_GQR_F32 0x0000
#define OS_GQR_U8 0x0004
#define OS_GQR_U16 0x0005
#define OS_GQR_S8 0x0006
#define OS_GQR_S16 0x0007
#define OS_FASTCAST_U8 2
#define OS_FASTCAST_U16 3
#define OS_FASTCAST_S16 5
// clang-format off
static inline void OSInitFastCast(void) {
#ifdef __MWERKS__
asm
{
li r3, OS_GQR_U8
oris r3, r3, OS_GQR_U8
mtspr GQR2, r3
li r3, OS_GQR_U16
oris r3, r3, OS_GQR_U16
mtspr GQR3, r3
li r3, OS_GQR_S8
oris r3, r3, OS_GQR_S8
mtspr GQR4, r3
li r3, OS_GQR_S16
oris r3, r3, OS_GQR_S16
mtspr GQR5, r3
}
#else
#endif
}
// clang-format off
#ifdef __cplusplus
}
#endif
#endif // _DOLPHIN_OSFASTCAST