Mark Mitchell <[EMAIL PROTECTED]> writes: | Michael Veksler wrote: | | >> Most programmers "know" that arithmetic is modulo wordsize. And those few | >>who know the right answer (only unsigned arithmetic is modulo) will | >>from time to time slip up and omit the "unsigned" keyword in their | >>declarations. | | I agree. | | Although the standard clearly makes signed overflow undefined, I think | it would be better if GCC defined it to be modulo arithmetic. The | degree to which that would result in inferior code seems likely to be | somewhat small, and the amount of user confusion we would eliminate, | and the number of programs that would not break with GCC, even though | they work with other compilers, seems likely to be high.
Amen. -- Gaby
