[Bug tree-optimization/116338] GCC is not vectoring TSVC s255 while clang can

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116338

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
You can try to see whether adding a SSA copy would make this supported, it
seems not allowing a PHI is simply a missed feature.