RFC: Update Intel386, x86-64 and IA MCU psABIs for passing/returning empty struct
Michael Matz via cfe-commits
cfe-commits at lists.llvm.org
Tue Mar 1 08:43:39 PST 2016
On Mon, 29 Feb 2016, Jason Merrill wrote:
> > Also this insistence that all of "trivially copyable" is already quite
> > nicely specified in the C++ ABI is still not really relevant because
> > C++ _is not the only language out there_. I'm not sure how often I
> > have to repeat this until people get it.
> Other language ABIs can handle language specific calling conventions as
> appropriate for them. The psABI can only talk about things that are in
> its domain.
Naturally. How far to follow that road, though? Remove the word "class"
from the description of empty types again? Why is that in-domain and the
notion of trivially copyable isn't?
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