[Bug rtl-optimization/98438] Rather bad optimization of midpoint implementation for __int128 (and other types)

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98438

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|x86_64 i?86                 |x86_64-*-* i?86-*-*
   Target Milestone|11.0                        |---

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
I wonder whether (_Tp)((type-with-double-size)__a + (..)__b)/2 will be faster
for some types.

Or whether we should transform such pattern to the fancy one.