This patch adds the VSX Integer Conversion instructions defined by
V2.06 of the PowerPC ISA:

  - xscvdpsxds, xscvdpsxws, xscvdpuxds, xscvdpuxws
  - xvcvdpsxds, xvcvdpsxws, xvcvdpuxds, xvcvdpuxws
  - xvcvspsxds, xvcvspsxws, xvcvspuxds, xvcvspuxws
  - xscvsxddp, xscvuxddp
  - xvcvsxddp, xscvsxwdp, xvcvuxddp, xvcvuxwdp
  - xvcvsxdsp, xscvsxwsp, xvcvuxdsp, xvcvuxwsp
Signed-off-by: NTom Musta <tommusta@gmail.com>
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAlexander Graf <agraf@suse.de>