Add support for SMSAD{X}, SMLSD{X}, USAD{A}8.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2067 8f6e269a-dfd6-0310-a8e1-e2731360e62c
diff --git a/priv/host_arm_isel.c b/priv/host_arm_isel.c
index 7472938..4bba9a3 100644
--- a/priv/host_arm_isel.c
+++ b/priv/host_arm_isel.c
@@ -1347,6 +1347,8 @@
             fn = &h_generic_calc_QSub8Sx4; break;
          case Iop_QSub8Ux4:
             fn = &h_generic_calc_QSub8Ux4; break;
+         case Iop_Sad8Ux4:
+            fn = &h_generic_calc_Sad8Ux4; break;
          default:
             break;
       }