[Bug target/93178] PPC: inefficient 64-bit constant generation if msb is off in low 16 bit

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93178

--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #1)
> @Segher: Can you please take a look?

Yes, tomorrow, when I am back from vacation :-)

Confirmed, btw.