[Bug tree-optimization/109829] Optimizing __builtin_signbit(x) ? -x : x or abs for FP

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109829

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Should add this one too:

(simplify
 (cond (ne (SIGNBIT @0) zero_p@1) @0 (neg @0))
 (neg (abs @0)))