3 ms·

Argh, this is annoying indeed. And yes, compiler is correct not to autovectorize in this case then.

• TheLoneWolfling 13y ago
  Why?
  • X-Istence 13y ago
    Different integer wrapping semantics I assume.
    • ygra 13y ago
      I wonder, though, because signed overflow is already undefined in C. The compiler could do anything there and call it correct.