Le 02/07/2022 à 13:18, Thomas Koenig a écrit : > > One thought: If we have to bite the bullet and break the ABI, why not go > all the way and use the C descriptors in ISO_Fortran_binding.h as > gfortran's native format? > As far as I know, CFI descriptors are mutually exclusive with non-negative array indexes.
CFI descriptors' base_addr field points to the first element in descriptor indexing order, so they can be indexed negatively and we can’t safely use array indexing with them. With an additional offset field it would be possible though (with a different semantics for the base_addr field). Or we just keep the different semantics of the base_addr field and assume that there is an implicit offset with value sum(extent * max(-sm, 0)). Anyway, this is the long-delayed array descriptor reform, right? Any one remembers how far we are from it?
