Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / sparc / lib / ucmpdi2.c

diff --git a/kernel/arch/sparc/lib/ucmpdi2.c b/kernel/arch/sparc/lib/ucmpdi2.c
new file mode 100644 (file)
index 0000000..1e06ed5
--- /dev/null
+++ b/kernel/arch/sparc/lib/ucmpdi2.c
@@ -0,0 +1,19 @@
+#include <linux/module.h>
+#include "libgcc.h"
+
+word_type __ucmpdi2(unsigned long long a, unsigned long 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;
+}
+EXPORT_SYMBOL(__ucmpdi2);