parisc: Provide __ucmpdi2 to resolve undefined references in 32 bit builds.

[pandora-kernel.git] / arch / parisc / lib / ucmpdi2.c

diff --git a/arch/parisc/lib/ucmpdi2.c b/arch/parisc/lib/ucmpdi2.c
new file mode 100644 (file)
index 0000000..149c016
--- /dev/null
+++ b/arch/parisc/lib/ucmpdi2.c
@@ -0,0 +1,25 @@
+#include <linux/module.h>
+
+union ull_union {
+       unsigned long long ull;
+       struct {
+               unsigned int high;
+               unsigned int low;
+       } ui;
+};
+
+int __ucmpdi2(unsigned long long a, unsigned long long b)
+{
+       union ull_union au = {.ull = a};
+       union ull_union bu = {.ull = b};
+
+       if (au.ui.high < bu.ui.high)
+               return 0;
+       else if (au.ui.high > bu.ui.high)
+               return 2;
+       if (au.ui.low < bu.ui.low)
+               return 0;
+       else if (au.ui.low > bu.ui.low)
+               return 2;
+       return 1;
+}