diff --git a/test/CodeGen/Generic/isunord.ll b/test/CodeGen/Generic/isunord.ll
index 784c73c7122..2b94a1386d2 100644
--- a/test/CodeGen/Generic/isunord.ll
+++ b/test/CodeGen/Generic/isunord.ll
@@ -1,4 +1,6 @@
 ; RUN: llvm-as < %s | llc
+; XFAIL: alpha|ia64|sparcv8
+
 
 declare bool %llvm.isunordered(double, double)