[Bug target/85669] fail on s-case-cfn-macros: build/gencfn-macros: DEF_INTERNAL_FLT/INT_FN (%smth%) has no associated built-in functions

[wilco at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85669

--- Comment #15 from Wilco <wilco at gcc dot gnu.org> ---
> This will correctly align the outgoing arguments to fails to align the
> outgoing arguments. The STACK_DYNAMIC_OFFSET definitions in rs6000.h and
> aix.h are correct.

Note RS6000_STARTING_FRAME_OFFSET also needs to be updated, again the
definition in aix.h is correct.