tree a9939c9236b79fea8b8bad70fb2c87b6ecd93576
parent 11eebbe92d03aa17bc316af1c5072a5d040829fd
author sewardj <sewardj@8f6e269a-dfd6-0310-a8e1-e2731360e62c> 1099175033 +0000
committer sewardj <sewardj@8f6e269a-dfd6-0310-a8e1-e2731360e62c> 1099175033 +0000

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