yes, exactly - if you want to add 2 registers use: add t0, t1, t2 in the occasional case where you want overflow as well add the other 3 instructions - if you

yes, exactly - if you want to add 2 registers use: add t0, t1, t2 in the occasional case where you want overflow as well add the other 3 instructions - if you're hand coding in assembler you probably know which you want, if you're using a compiler, it can map it's semantics where appropriate