------- Comment #7 from ghazi at gcc dot gnu dot org 2006-10-07 02:04 ------- (In reply to comment #6) > > > There is mpfr_get_ld(), which converts to a long double. If the data type > > > never exceeds the properties of long double, then one may be able to > > > use mpfr_get_ld() and then fold_convert() the result to the proper type. > > > > I think using long double defeats the whole purpose of using mpfr. > It appears you misread what I wrote (or meant to write). "If the data > type never exceeds the properties of long double" applies to a cross > compiler as well where "data type" is on the target and "long double" > is on the host. > > We're > > supposed to avoid relying on the properties of the host's floating point for > > cross-compilers where the target format is different. > The host's long double is simply an intermediate representation of the > value. It is the responsibility of the fold_convert to get the right > target representation. This is no different than using strings as the > intermediate.
I want the optimization to work always, not just in certain host/target combinations. So I'll use strings, no big deal. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29335
