On Sat, 31 Aug 2019 at 02:05, Segher Boessenkool <seg...@kernel.crashing.org> wrote: > > > > > > [ Please don't top-post ] > > (I delete everything under your signature, without looking, assuming you > just forgot to).
Oh sorry, I didn't know the reply button does evil things. :-) > If long double is double, faddl is the same as fadd, and daddl is just > normal addition. > > If long double is double-double, faddl can be done as fadd on the first > double precision component of both args, and daddl is just normal addition > of those. > > If long double is IEEE QP, then it is more interesting :-) On what conditions does the mapping of long double to double/ double-double or IEEE QP changes or depends, so that I can test it. Thanks, Tejas
