https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 51848, which changed state.
Bug 51848 Summary: GCC is not able to vectorize when a constant value is also added to the sum of array expression inside a loop. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51848 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED