[Bug rtl-optimization/29349] mode switching is inefficient both at compile time and at run time

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29349

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
make_preds_opaque was removed with r5-1655-gcbb1e3d98c5f18 .

That revision seems to have partial rewritten mode switching even.


Note mode switching is now used for more on major targets even.