[Bug target/89746] powerpc-none-eabi-gcc emits code using stfiwx to misaligned address

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89746

--- Comment #5 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Yes, it is just a code quality issue.

I have the attached patch, and it works; it needs to be updated so that the
alignment check is only done for CPUs where it is needed.