[Bug tree-optimization/65492] Bad optimization in -O3 due to if-conversion and/or unrolling

[linux at carewolf dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65492

--- Comment #11 from Allan Jensen <linux at carewolf dot com> ---
Issues with slow cmov has been seen in several bug reports:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53346
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56309