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/* C6.3.31 DUP (element, scalar)

 *  31                   21 20    16 15        10  9    5 4    0

 * +-----------------------+--------+-------------+------+------+

 * | 0 1 0 1 1 1 1 0 0 0 0 |  imm5  | 0 0 0 0 0 1 |  Rn  |  Rd  |

 * +-----------------------+--------+-------------+------+------+

 */

static void handle_simd_dupes(DisasContext *s, int rd, int rn,

                              int imm5)

{

    int size = ctz32(imm5);

    int index;

    TCGv_i64 tmp;

    if (size > 3) {

        unallocated_encoding(s);

        return;

    }

    index = imm5 >> (size + 1);

    /* This instruction just extracts the specified element and

     * zero-extends it into the bottom of the destination register.

     */

    tmp = tcg_temp_new_i64();

    read_vec_element(s, tmp, rn, index, size);

    write_fp_dreg(s, rd, tmp);

    tcg_temp_free_i64(tmp);

}

    int rd = extract32(insn, 0, 5);

    int rn = extract32(insn, 5, 5);

    int imm4 = extract32(insn, 11, 4);

    int imm5 = extract32(insn, 16, 5);

    int op = extract32(insn, 29, 1);

    if (op != 0 || imm4 != 0) {

        unallocated_encoding(s);

        return;

    }

    /* DUP (element, scalar) */

    handle_simd_dupes(s, rd, rn, imm5);