On Tue, Jul 30, 2019 at 01:04:56PM -0400, Nathan Froyd wrote: > On Sat, Jul 27, 2019 at 1:42 PM Botond Ballo <bba...@mozilla.com> wrote: > > If you're interested in some more details about what happened at last > > week's meeting, my blog post about it is now available (also on > > Planet): > > > > https://botondballo.wordpress.com/2019/07/26/trip-report-c-standards-meeting-in-cologne-july-2019/ > > Thanks for writing this up. I always enjoy reading these reports. > > One grotty low-level question about the new exception proposal. Your > post states: > > "it was observed that since we need to revise the calling convention > as part of this proposal anyways, perhaps we could take the > opportunity to make other improvements to it as well, such as allowing > small objects to be passed in registers, the lack of which is a pretty > unfortunate performance problem today (certainly one we’ve run into at > Mozilla multiple times). That seems intriguing." > > How is revising the calling convention a C++ standards committee > issue? Doesn't that properly belong to the underlying platform (CPU > and/or OS)?
... and aren't small objects already passed via registers already? https://gcc.godbolt.org/z/VE009V Mike _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
