Suppose there is an inst like this:
add ip, ip, #0x5000
the machine code is
05 CA 8C E2
and
E2 8C CA 05 = 11100010100011001100 1010 00000101
imm = rotate_right(101B, 1010B*2) = 0x5000
But if we know 0x5000, how can we get 101000000101? Is this reverse convert is one-to-one correspondence? Thanks.