diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9f4bcdd02d7..fb9826ecbdc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2016-01-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/66612
+	* gcc.target/powerpc/20050830-1.c: Xfail the scan-assembler test
+	for bdn instruction.
+
 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
 
 	* lib/target-supports.exp
diff --git a/gcc/testsuite/gcc.target/powerpc/20050830-1.c b/gcc/testsuite/gcc.target/powerpc/20050830-1.c
index 4a8f71a9871..bcbcef893bf 100644
--- a/gcc/testsuite/gcc.target/powerpc/20050830-1.c
+++ b/gcc/testsuite/gcc.target/powerpc/20050830-1.c
@@ -1,7 +1,8 @@
 /* Make sure the doloop optimization is done for this loop. */
 /* { dg-do compile { target powerpc*-*-* } } */
 /* { dg-options "-O2" } */
-/* { dg-final { scan-assembler "bdn" } } */
+/* XFAIL for now, see PR66612.  */
+/* { dg-final { scan-assembler "bdn" { xfail *-*-* } } } */
 extern int a[];
 int foo(int w) {
   int n = w;