This patch by adrian.sendroiu@freescale.com fixes the lrmw and stmw
instructions.

The patch also adds ppc32 and ppc64 test cases for the instructions.

The patch is a fix for bugzilla 329956 "valgrind crashes when lmw/stmw instructions are used on ppc64".



git-svn-id: svn://svn.valgrind.org/vex/trunk@2808 8f6e269a-dfd6-0310-a8e1-e2731360e62c