On Wed, Jun 12, 2013 at 11:09:03AM -0400, David Edelsohn wrote: > On Wed, Jun 12, 2013 at 10:53 AM, Alan Modra <amo...@gmail.com> wrote: > > > * config/rs6000/rs6000.h (LONG_DOUBLE_LARGE_FIRST): Define. > > * config/rs6000/rs6000.md (signbittf2): New insn. > > (extenddftf2_internal): Use LONG_DOUBLE_LARGE_FIRST. > > (abstf2_internal, cmptf_internal2): Likewise. > > * config/rs6000/spe.md (spe_abstf2_cmp, spe_abstf2_tst): Likewise. > > > Why create and define LONG_DOUBLE_LARGE_FIRST if it always is "1" > (True)? To retain flexibility?
Yes. We don't have anything like an ABI fixed in stone at the moment. -- Alan Modra Australia Development Lab, IBM
