suppressed use of gen_multi - use intermediate FT0 register for floats - use T0 temporary for fpscr update - use PARAM1 for spr access - added untested single load/store support


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@473 c046a42c-6fe2-441c-8c8c-71466251a162