[Bug tree-optimization/61747] min,max pattern not always properly optimized (for sse4 targets)

[vincenzo.innocente at cern dot ch]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61747

--- Comment #2 from vincenzo Innocente <vincenzo.innocente at cern dot ch> ---
> I think you need -fno-signed-zeros for the transformation to be valid.
possible.
but then is the O2 code that is wrong?
in any case adding -fno-signed-zeros makes no difference w/r/t O2 alone