How to mask bytes in ARM assembly?

Question

i have got an 32bit (hexadecimal)word 0xaabbccdd and have to swap the 2. and the 3. byte. in the end it should look like 0xaaccbbdd

how can i \"mask\" the 2nd and the 3r

Answer 1

Can you use BFI and UBFX they will make your job easier