Add code to do register preferencing (moves from vreg to rreg cause
the vreg to be preferenced to rreg).  However, this is disabled as it
usually makes things worse.



git-svn-id: svn://svn.valgrind.org/vex/trunk@465 8f6e269a-dfd6-0310-a8e1-e2731360e62c
1 file changed