rotl8 function

int rotl8(
  1. int x,
  2. int n
)

Implementation

int rotl8(int x, int n) {
  assert(n >= 0);
  assert((x >= 0) && (x <= _MASK_8));
  n &= _MASK_3;
  return ((x << n) & _MASK_8) | (x >> (8 - n));
}