[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 #21 from Hongtao.liu <crazylht at gmail dot com> ---
Now we have SLP node available in vector cost hook, maybe we can do sth in cost
model to prevent vectorization when node's definition from big-size parameter.