https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59666
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |egallager at gcc dot gnu.org,
| |iains at gcc dot gnu.org
--- Comment #9 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Sergey Fedorov from comment #8)
> (In reply to Vincent Lefèvre from comment #1)
> > (In reply to Joseph S. Myers from comment #0)
> > It seems to be like that "by design" (though this is not satisfactory) and
> > part of the ppc64 ABI for instance:
> >
> > http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi.html#PREC
> >
> > "The software support is restricted to round-to-nearest mode. Programs that
> > use extended precision must ensure that this rounding mode is in effect when
> > extended-precision calculations are performed."
>
> Also true for AIX:
> https://www.ibm.com/docs/sr/xcafbg/9.0.0?topic=SS3KZ4_9.0.0/com.ibm.xlf111.
> bg.doc/xlfopg/fp-overview.html
>
> Does anyone know whether this is also true for Darwin on PowerPC though?
I don't, but Iain might...
