[Bug target/99708] __SIZEOF_FLOAT128__ not defined on powerpc64le-linux

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99708

--- Comment #24 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Segher Boessenkool from comment #22)
> In rs6000_type_string, please just handle the error !type_node case first,
> so you don't have to consider it in all other cases separately.

Ok, will do.

> Do you need to change the __SIZEOF_FLOAT128__ code at all now?  I don't
> see it?

Yes, because the macro is from name about whether __float128 can be used and
what it's size.  On powerpc*, __float128 is a macro defined to __ieee128 under
some conditions, so the condition to define __SIZEOF_FLOAT128__ should be that
the macro is defined and __ieee128 can be used.