[Bug target/84251] [8/9 Regression] Performance regression in gcc 8/9 when comparing floating point numbers

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84251

--- Comment #11 from Jeffrey A. Law <law at redhat dot com> ---
Oh, DOM is too early,  it's expansion that exposes the redundancies.  Seems
like CSE ought to be able to pick this up though.