[Bug target/117048] Failure to combine into XAR instruction

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117048

--- Comment #1 from ktkachov at gcc dot gnu.org ---
Yeah, there is code in simplify-rtx.cc:3467 to simplify this pattern to a
rotate but it doesn't handle vector operands