I don't think that was the historical justification, but regardless, it is a terribly limiting and oblique hack of a convention for guiding the compiler. Why sh

I don't think that was the historical justification, but regardless, it is a terribly limiting and oblique hack of a convention for guiding the compiler. Why should this guidance only be possible for signed values? Why have such an important distinction be controlled in such an indirect fashion? Just 2 reasons why I prefer explicit vectorization anywhere that I feel it is important to have vectorized code.