Prashant Purohit <prashantpurohit025@xxxxxxxxx> writes: > I mean to say, as we can not generate all the constants from 8 bit > rotation scheme supported in ARM architecture, I just wanted to know the > logic behind that function which generates one Mov and one Add/Sub > instruction if that constant is not being generated by rotation scheme > alone. > e:g : suppose, the immediate constant is 1234 then that function will do > it as > > mov r3, #1232 > add r3, r3, #2 (In case of ARM) > Please tell me, how it splits that constant in to 1232 and 2. I don't know how to answer except to simply read the function. The code is right there. In this case I expect it happens in the loop at the end of the function. If you have any questions about how the function works, can you be more specific? Ian