[Bug tree-optimization/78071] -Os -ffast-math generates pow() for 1/(x*x)

[colanderman at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78071

--- Comment #2 from Chris King <colanderman at gmail dot com> ---
Created attachment 39867
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39867&action=edit
suboptimal output with -Os -ffast-math