JIMM
if (ip->fields & JIMM)
[insn_j] = {M(mm_j32_op, 0, 0, 0, 0, 0), JIMM},
[insn_jal] = {M(mm_jal32_op, 0, 0, 0, 0, 0), JIMM},
[insn_j] = {M(j_op, 0, 0, 0, 0, 0), JIMM},
[insn_jal] = {M(jal_op, 0, 0, 0, 0, 0), JIMM},
if (ip->fields & JIMM)