https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82045
--- Comment #8 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot
Uni-Bielefeld.DE> ---
> (In reply to r...@cebitec.uni-bielefeld.de from comment #6)
[...]
> Ah! Thanks for debugging it. I guess the problem is that we're
> passing the new machine_mode classes through ... and interpreting
> them as int in emit_library_call_value_1. This will only work on
> ABIs that pass the two in the same way.
Which they don't: according to the SPARC psABI, structs are passed by
reference. And indeed interpreting mode as a scalar_float_mode * yields
the expected E_TFmode value for m_mode.
Rainer
