On Apr 26, 2013, at 4:05 AM, Bernd Schmidt <ber...@codesourcery.com> wrote: > On 04/24/2013 09:14 PM, DJ Delorie wrote: >>> 24 bits stored as three bytes, or four? How does this affect vtable >>> layout? I would have expected the C++ frontend and libsupc++ to >>> currently be inconsistent with each other given such a setup. >> >> In memory, four, I think. The address registers really are three >> bytes though. They're PSImode and gcc doesn't really have a good way >> of using any specified PSImode precision.
I have patches to let one specify a precision for partial int types, easy enough to do, and the rest of the compiler plays nicely for the most part with it...