http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54716
--- Comment #8 from Marc Glisse <glisse at gcc dot gnu.org> 2012-09-26 15:53:00 UTC --- (In reply to comment #7) > I haven't noticed a measurable performance difference though on Intel SNB 2600 > CPU though, so perhaps the patch isn't needed. Ah, I assumed they had a good reason for creating so many variants of the same instruction. If there is no difference (or even a difference in the wrong direction because of the instruction size), feel free to close the bug.
