s390: Non-functional change.
Rename enable_rounding_mode to enable_bfp_rounding_mode in 
anticipation of dfp coming. Change its return value to be an 
IRTemp which will be handy soon. Fix all call-sites.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2514 8f6e269a-dfd6-0310-a8e1-e2731360e62c
1 file changed