[Bug target/104253] libgcc missing __floatdiif

[bergner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104253

--- Comment #18 from Peter Bergner <bergner at gcc dot gnu.org> ---
(In reply to Eric Botcazou from comment #17)
> The test fails on VxWorks, where there is no 128-bit long double:
> 
> cc1: warning: The '-mfloat128' option may not be fully supported
> 
> so it looks like a DejaGNU selector is missing.

It's a dg-run test case, but the dg-require only uses ppc_float128_sw.  There
is a ppc_float128_hw which is probably what Mike meant to use?