https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32392
--- Comment #3 from Eric Gallager ---
(In reply to Tobias Burnus from comment #0)
> Paolo Bonzini wrote:
> >> That said, there is a whole bunch of applications that would kill for
> >> -mrecip,
> > even for 11bit ones. Games are one of them,
--- Comment #2 from rguenth at gcc dot gnu dot org 2007-06-19 09:15 ---
Confirmed. For 2 NR steps to reach double precision (we'd miss it by some more
ulps than the 2.5 for float precision) we would need to do at least the second
NR in double precision. Note that this would make sense
--- Comment #1 from burnus at gcc dot gnu dot org 2007-06-18 15:03 ---
Initial suggestion, see:
http://gcc.gnu.org/ml/gcc-patches/2007-06/msg01068.html
Richard's remark:
http://gcc.gnu.org/ml/gcc-patches/2007-06/msg01224.html
Two NR steps don't make sense, they wouldn't improve
