[Bug rtl-optimization/83952] [missed optimization] difference calculation for floats vs ints in a loop

[eyalroz at technion dot ac.il]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83952

--- Comment #1 from Eyal Rozenberg <eyalroz at technion dot ac.il> ---
Also seeing this with -O3 -fno-unroll-loops -fno-tree-loop-vectorize :
https://godbolt.org/g/r2v7X8