http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
Justin Lebar <justin.lebar+bug at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |justin.lebar+bug at gmail | |dot com --- Comment #8 from Justin Lebar <justin.lebar+bug at gmail dot com> 2011-06-13 18:09:07 UTC --- I just did some tests, and on my machine, glibc's memcmp is faster even when the size of the thing we're comparing is 4 bytes. I can't point to a case that this optimization speeds up on my machine.