_I_ANY
_I_ANY(IOP_OP2, (high) << 25 | (op2) << 22 | (low))
_I_ANY(IOP_OP2, (rd) << 25 | (op2) << 22 | (imm))
_I_ANY(IOP_OP2, (a) << 29 | (c) << 25 | (op2) << 22 | (disp))
_I_ANY(form, (rd) << 25 | (op3) << 19 | (rs1) << 14 | (low14))
#define I_CALL(d) _I_ANY(IOP_CALL, d)