[Bug rtl-optimization/49148] Certain expressions take an extremely long time for no apparent reason

Tue May 24 21:55:00 GMT 2011

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49148

--- Comment #5 from John Peyton <jchthys at yahoo dot com> 2011-05-24 21:26:49 UTC ---
> Maybe you are getting subnormals which causes a huge performance decrease.

It looks like that might indeed be the case. It didn't seem to happen with ICC
though. Is it possible that other compilers have different ways of handling
subnormals?