[Bug target/54089] [SH] Refactor shift patterns

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54089

--- Comment #90 from Oleg Endo <olegendo at gcc dot gnu.org> ---
(In reply to Alexander Klepikov from comment #89)
> Here's what I did
> ...

Can you attach it here as a patch please?