[Bug rtl-optimization/89430] A missing ifcvt optimization to generate csel

[jiangning.liu at amperecomputing dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89430

--- Comment #8 from Jiangning Liu <jiangning.liu at amperecomputing dot com> ---
It is related to https://gcc.gnu.org/ml/gcc-patches/2015-11/msg02998.html

Bernd's patch is an overkill.