[Bug target/101908] [12 regression] cray regression with -O2 -ftree-slp-vectorize compared to -O2

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101908

--- Comment #27 from Hongtao.liu <crazylht at gmail dot com> ---
> We can start with disabling vectorization with very cheap cost model to fix
Of course only for (>=)16-byte struct passing.