[Bug rtl-optimization/38582] excessive time in rename registers

[sch...@linux-m68k.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38582

--- Comment #8 from Andreas Schwab <sch...@linux-m68k.org> 2012-03-14 10:47:50 
UTC ---
This is apparently causing bug 52573.