What is the difference between GT and HI instruction in ARM architecture?

Question

"GT" is greater than and "HI" is higher than. I think both have the same meaning.The instruction Set Image

Answer 1

HI instruction takes its operands as unsigned so basically it uses C and Z flag for its operation On the other hand GT or GE takes operands as signed numbers and uses flags N(negative) and V(overflow). Both GE and GT are same but GE accepts a cleared Z flag, too. So if you are using unsigned numbers then both will produce same output.

Answer 2

Signed vs unsigned comparison

GT  Signed greater than
HI  Unsigned higher