diff --git a/[refs] b/[refs]
index 2268ecf143cf..2cd5ae3ba89a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 39ed2fe62c39ac46cda00b1759806a297f38743b
+refs/heads/master: 271c511db9d37d6797745adb1f151a8bd2838c6f
diff --git a/trunk/scripts/checkstack.pl b/trunk/scripts/checkstack.pl
index b34924663ac1..f7844f6aa487 100755
--- a/trunk/scripts/checkstack.pl
+++ b/trunk/scripts/checkstack.pl
@@ -62,6 +62,8 @@
 	} elsif ($arch eq 'ppc64') {
 		#XXX
 		$re = qr/.*stdu.*r1,-($x{1,8})\(r1\)/o;
+	} elsif ($arch eq 'powerpc') {
+		$re = qr/.*st[dw]u.*r1,-($x{1,8})\(r1\)/o;
 	} elsif ($arch =~ /^s390x?$/) {
 		#   11160:       a7 fb ff 60             aghi   %r15,-160
 		$re = qr/.*ag?hi.*\%r15,-(([0-9]{2}|[3-9])[0-9]{2})/o;