[Bug target/79295] [7 regression] gcc.target/powerpc/bcd-3.c fails starting with r244942

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79295

--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
So operands[0] is wrong (should be an AltiVec reg, is an FP reg).