http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49148
John Peyton <jchthys at yahoo dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization --- Comment #1 from John Peyton <jchthys at yahoo dot com> 2011-05-24 18:56:52 UTC --- The following command was used to compile and execute the test case: gcc gcc_bug.c -O3 -o gcc_bug && ./gcc_bug Note that -O3 was used. In addition, -lm affects performance minimally if it is used.