[Bug target/83925] [SPARC/Solaris] __int128 aligned(8) as function argument is passed in wrong register

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83925

--- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
128-bit types requite 128-bit alignment on SPARC64 so we cannot support that.