u_imm
u_int32_t u_imm;
#define ps_u_imm u.u_imm
u_imm(i, 1, bits, 13, 7);
u_imm(i, 2, bits, 20, 7);
u_imm(i, 1, bits, 6, 20);
u_imm(i, 1, bits, 6, 20);
u_imm(i, 3, bits, 20, 4);
u_imm(i, 3, bits, 20, 8);
u_imm(i, 3, bits, 14, 5);
u_imm(i, 4, bits, 27, 6);
u_imm(i, 3, bits, 14, 6);
u_imm(i, 4, bits, 14, 6);
u_imm(i, 3, bits, 13, 2);
u_imm(i, 2, bits, 13, 2);
u_imm(i, 1, bits, 13, 20);
u_imm(i, 2, bits, 13, 20);