Use CRT_HAS_128BIT.

llvm-svn: 204182
diff --git a/compiler-rt/test/builtins/Unit/floattisf_test.c b/compiler-rt/test/builtins/Unit/floattisf_test.c
index a83ec63..75b8e91 100644
--- a/compiler-rt/test/builtins/Unit/floattisf_test.c
+++ b/compiler-rt/test/builtins/Unit/floattisf_test.c
@@ -11,12 +11,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#if __x86_64
-
 #include "int_lib.h"
 #include <float.h>
 #include <stdio.h>
 
+#ifdef CRT_HAS_128BIT
+
 // Returns: convert a to a float, rounding toward even.
 
 // Assumption: float is a IEEE 32 bit floating point type 
@@ -47,7 +47,7 @@
 
 int main()
 {
-#if __x86_64
+#ifdef CRT_HAS_128BIT
     if (test__floattisf(0, 0.0F))
         return 1;