[Bug target/58450] -fno-trapping-math causes decrease in performance

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58450

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
I do see this time difference with 4.7 and 4.8 (didn't try to analyze), but not
with 4.9 which seems fine.