On Tue, 16 Jun 2015, Joseph Myers wrote: > > Furthermore these checks were deliberately introduced by Richard with his > > proposal here <http://gcc.gnu.org/ml/gcc-patches/2006-09/msg00682.html> > > and agreed upon in the discussion even before IEEE Std 754-2008 has been > > made. Are you suggesting that the arguments used there, that have led to > > the current arrangement, no longer stand and consequently the HONOR_NANS > > checks introduced are now best dropped? > > Only the checks for abs and neg patterns are necessary, not those for > fused operations.
And neither for the unfused combined operations we handle for some MIPS processors that implement them presumably? In that case I think the HONOR_NANS checks will best be globally removed first (where applicable of course), with a separate preparatory change. Maciej
