[Bug rtl-optimization/99930] Failure to optimize floating point -abs(x) in nontrivial code at -O2/3

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99930

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Maybe the X alternatives where we don't know the sign bit mask.