http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54089
--- Comment #9 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2012-08-10 00:39:50 UTC --- (In reply to comment #8) > #define SH_DYNAMIC_SHIFT_COST (TARGET_DYNSHIFT ? 1 : 20) Sounds reasonable. Perhaps some historical reason for the original one, though I don't know why. Could you run SCiBE tests with it?