Archipelago » qemu

#define VROTATE(suffix, element)                                        \

    void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)  \

    {                                                                   \

        int i;                                                          \

        for (i = 0; i < ARRAY_SIZE(r->element); i++) {                  \

            unsigned int mask = ((1 << (3 + (sizeof (a->element[0]) >> 1))) - 1); \

            unsigned int shift = b->element[i] & mask;                  \

            r->element[i] = (a->element[i] << shift) | (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \

        }                                                               \

    }

VROTATE(b, u8)

VROTATE(h, u16)

VROTATE(w, u32)

#undef VROTATE