https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96983
--- Comment #25 from joseph at codesourcery dot com <joseph at codesourcery dot com> --- On Mon, 14 Sep 2020, anlauf at gcc dot gnu.org wrote: > Remember that Fortran needs a correspondence between a storage representation > (in bytes / bits) and the kind type on the language side. We'd thus need a > method to get the machine mode for a given representation. If there are > multiple representations with the same storage size (ieee128 vs. ibm128), > the ME needs to provide a way to the FE to uniquely address those. What that suggests to me is having a target hook mapping a Fortran kind to a floating-point machine mode (or to one of the global tree nodes for floating-point types), alongside the target hook mapping a C type (float, double, long double) to a machine mode.
