http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53346
--- Comment #13 from Uros Bizjak <ubizjak at gmail dot com> 2012-05-18 17:08:08 UTC --- Created attachment 27435 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27435 slow x86_64 assembly, obtained with -O2 -ftree-loop-if-convert This is the slow assembly, stay tuned for the WTF part.