1 files changed, 27 insertions, 0 deletions

diff --git a/arch/mips/lib/cmpdi2.c b/arch/mips/lib/cmpdi2.c
new file mode 100644
index 000000000000..8c1306437ed1
--- /dev/null
+++ b/arch/mips/lib/cmpdi2.c
@@ -0,0 +1,27 @@
+#include <linux/module.h>
+
+#include "libgcc.h"
+
+word_type __cmpdi2(long long a, long long b)
+{
+        const DWunion au = {
+                .ll = a
+        };
+        const DWunion bu = {
+                .ll = b
+        };
+
+        if (au.s.high < bu.s.high)
+                return 0;
+        else if (au.s.high > 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;
+}
+
+EXPORT_SYMBOL(__cmpdi2);