Handle division by zero case in Sparc64 udivx and sdivx ops

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2767 c046a42c-6fe2-441c-8c8c-71466251a162

target-sparc/op.c

@@ -926,12 +926,18 @@ void OPPROTO op_mulx_T1_T0(void)
 
 void OPPROTO op_udivx_T1_T0(void)
 {
+    if (T1 == 0) {
+        raise_exception(TT_DIV_ZERO);
+    }
     T0 /= T1;
     FORCE_RET();
 }
 
 void OPPROTO op_sdivx_T1_T0(void)
 {
+    if (T1 == 0) {
+        raise_exception(TT_DIV_ZERO);
+    }
     if (T0 == INT64_MIN && T1 == -1)
 	T0 = INT64_MIN;
     else