diff --git a/test/FrontendC/2009-01-20-k8.c b/test/FrontendC/2009-01-20-k8.c
index fe671dc41fb..627ab65d161 100644
--- a/test/FrontendC/2009-01-20-k8.c
+++ b/test/FrontendC/2009-01-20-k8.c
@@ -1,2 +1,3 @@
 // RUN: %llvmgcc %s -S -march=k8
+// XTARGET: x86
 long double x;
diff --git a/test/FrontendFortran/2008-11-03-OptionOverride.f90 b/test/FrontendFortran/2008-11-03-OptionOverride.f90
index 06031f83d4d..316e722cd34 100644
--- a/test/FrontendFortran/2008-11-03-OptionOverride.f90
+++ b/test/FrontendFortran/2008-11-03-OptionOverride.f90
@@ -1,3 +1,4 @@
 ! RUN: %llvmgcc -c %s -march=k8
+! XTARGET: x86
 ! Note: this file intentionally left blank, the problem itself is in
-! frontend initialization routines and march flag!
\ No newline at end of file
+! frontend initialization routines and march flag!