# genlop -t gcc
 * sys-devel/gcc

     Sun Mar 26 13:41:24 2006 >>> sys-devel/gcc-3.4.6
       merge time: 23 minutes and 57 seconds.

     Sat Apr 22 13:45:32 2006 >>> sys-devel/gcc-3.4.6-r1
       merge time: 52 minutes and 6 seconds.

     Sat May 27 05:43:19 2006 >>> sys-devel/gcc-4.1.1
       merge time: 1 hour, 20 minutes and 11 seconds.