2 ms·

Using bit rotation instructions in C is another case I recall. Since there's no bit rotate operator in C, you're left hoping the compiler recognizes what the s

Using bit rotation instructions in C is another case I recall. Since there's no bit rotate operator in C, you're left hoping the compiler recognizes what the shifts and bitwise-ands are trying to do.

account42 2y ago
Inline assembly or platform intrinsics is the other option.
- ablob 2y ago
  Both of which aren't portable, however.
dzaima 2y ago
clang does have __builtin_rotateleft32 & co. gcc doesn't though. (but of course for both of those just doing the manual rotate should be fine like always)