diff --git a/[refs] b/[refs]
index 312e2251f963..7d0980c71621 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 774583f8bcfbdc423e51cb8b924d8c6cea4afbac
+refs/heads/master: df6b106bf01a17a157013245c2851dec4d7b5a2b
diff --git a/trunk/arch/mips/lib/Makefile b/trunk/arch/mips/lib/Makefile
index d7d3b14dcfb2..5dad13efba7e 100644
--- a/trunk/arch/mips/lib/Makefile
+++ b/trunk/arch/mips/lib/Makefile
@@ -9,4 +9,4 @@ obj-y			+= iomap.o
 obj-$(CONFIG_PCI)	+= iomap-pci.o
 
 # libgcc-style stuff needed in the kernel
-lib-y += ashldi3.o ashrdi3.o lshrdi3.o
+lib-y += ashldi3.o ashrdi3.o lshrdi3.o ucmpdi2.o
diff --git a/trunk/arch/mips/lib/ucmpdi2.c b/trunk/arch/mips/lib/ucmpdi2.c
new file mode 100644
index 000000000000..e9ff258ef028
--- /dev/null
+++ b/trunk/arch/mips/lib/ucmpdi2.c
@@ -0,0 +1,19 @@
+#include <linux/module.h>
+
+#include "libgcc.h"
+
+word_type __ucmpdi2 (unsigned long a, unsigned long b)
+{
+	const DWunion au = {.ll = a};
+	const DWunion bu = {.ll = b};
+
+	if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
+		return 0;
+	else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
+		return 2;
+	if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
+		return 0;
+	else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
+		return 2;
+	return 1;
+}