[Bug target/104829] [12 Regression] Pure 32-bit PowerPC build broken

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104829

--- Comment #11 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Created attachment 52599
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52599&action=edit
proposed patch

This patch should restore the previous behaviour.  Joseph, can you test it
please?