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

[glisse at gcc dot gnu.org]

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

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
I think you need -fno-signed-zeros for the transformation to be valid.