[Bug tree-optimization/126053] GCC trunk vs Intel oneAPI : Missed SLP vectorization

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126053

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
The most optimal codegen can currently be achieved with -O3 -fno-signed-zeros
-mprefer-vector-width=128 -march=znver5