Add machinery to support DFP rounding modes.
Part of fixing BZ 307113.
Patch by Maran <maranp@linux.vnet.ibm.com>


git-svn-id: svn://svn.valgrind.org/vex/trunk@2557 8f6e269a-dfd6-0310-a8e1-e2731360e62c
4 files changed