http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54896
--- Comment #8 from Steven Bosscher <steven at gcc dot gnu.org> 2013-03-12 18:23:29 UTC --- With r196576 on x86_64 (gcc17): at -O1: alias stmt walking : 30.99 (36%) usr reload CSE regs : 18.94 (22%) usr CSE : 14.94 (17%) usr tree DSE : 9.32 (11%) usr at -O2: alias stmt walking : 46.65 (30%) usr reload CSE regs : 37.92 (25%) usr CSE 2 : 29.09 (19%) usr CSE : 15.02 (10%) usr at -O3: tree slp vectorization : 129.79 (61%) usr alias stmt walking : 46.52 (22%) usr
