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

[bugdal at aerifal dot cx]

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

--- Comment #37 from Rich Felker <bugdal at aerifal dot cx> ---
I expect this is going to be problematic from a license perspective unless they
can be licensed under GPLv2...