#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
    asm volatile ("
        li      3, 0x0004
        oris    3, 3, 0x0004
        mtspr   GQR2, 3

        li      3, 0x0005
        oris    3, 3, 0x0005
        mtspr   GQR3, 3

        li      3, 0x0006
        oris    3, 3, 0x0006
        mtspr   GQR4, 3

        li      3, 0x0007
        oris    3, 3, 0x0007
        mtspr   GQR5, 3
    " : : : "r3" );
#endif
}
// clang-format off

#ifdef __cplusplus
}
#endif

#endif // _DOLPHIN_OSFASTCAST