http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
--- Comment #18 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-08-24 14:36:45 UTC --- (In reply to comment #17) > Hmm, > I guess ideally the middle-end should know how to inline the simple loop (for > both strlen and memcmp) and do so when object size is known to be small > (probably by target specific value). Or does anyone think it is a bad idea? I think that's a bad idea, yes. Apart from maybe simple cases we already handle for memcpy -> assignment simplifications (thus, aligned compares up to word_mode size), but supposedly only if the result is checked for ==/!= 0 only(?).
