[Bug target/123343] Loop unrolling before vectorization produces suboptimal RISC-V code

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123343

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 63184
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63184&action=edit
testcase