Bugzilla 323437, this is phase 2 in a series of patches adding support for IBM
Power ISA 2.07. The first bugzilla in the series was: 322294: Add initial
support for IBM Power ISA 2.07

Phase 2 adds support for the following new instructions to
VEX/priv/guest_ppc_toIR.c:
 - lq, stq, lqarx, stqcx.
 - mfvsrwz, mtvsrwz
 - fmrgew, fmrgow

There is a corresponding test case for these instructions, see the bugzilla
for the commit number.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2756 8f6e269a-dfd6-0310-a8e1-e2731360e62c