[Bug tree-optimization/128200] [x86-64] Failure to vectorize a double-to-long converting store loop

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128200

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
What LLVM is doing is unrolling the loop and then using AVX registers to do the
store.  This is not vectorizing really.