Fix tests

Author: claziss

gcc/testsuite/gcc.c-torture/execute/20101011-1.c

@@ -66,7 +66,7 @@
 /* By default we emit a sequence with DIVU, which "never signals an
    exceptional condition, even when dividing by zero".  */
 # define DO_TEST 0
-#elif defined (__arc__)
+#elif defined (__arc__) || defined (__ARC64__)
   /* No SIGFPE for ARC integer division.  */
 # define DO_TEST 0
 #elif defined (__arm__) && defined (__ARM_EABI__)