Archipelago » qemu

void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)

{

    ppc_avr_t result;

    int i;

    VECTOR_FOR_INORDER_I (i, u8) {

        int s = c->u8[i] & 0x1f;

#if defined(WORDS_BIGENDIAN)

        int index = s & 0xf;

#else

        int index = 15 - (s & 0xf);

#endif

        if (s & 0x10) {

            result.u8[i] = b->u8[index];

        } else {

            result.u8[i] = a->u8[index];

        }

    }

    *r = result;

}

void helper_vsel (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)

{

    r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]);

    r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]);

}