[Bug target/112537] Is there a way to disable cpymem pass for rvv

[juzhe.zhong at rivai dot ai via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112537

--- Comment #9 from JuzheZhong <juzhe.zhong at rivai dot ai> ---
I think we can use -fno-tree-vectorize or --param=riscv-autovec-preference=none
to
disable it.