h8300: library functions

[sfrench/cifs-2.6.git] / arch / h8300 / lib / ucmpdi2.c

diff --git a/arch/h8300/lib/ucmpdi2.c b/arch/h8300/lib/ucmpdi2.c
new file mode 100644 (file)
index 0000000..772399d
--- /dev/null
+++ b/arch/h8300/lib/ucmpdi2.c
@@ -0,0 +1,17 @@
+#include "libgcc.h"
+
+word_type __ucmpdi2(DWtype a, DWtype b)
+{
+       const DWunion au = {.ll = a};
+       const DWunion bu = {.ll = b};
+
+       if ((UWtype) au.s.high < (UWtype) bu.s.high)
+               return 0;
+       else if ((UWtype) au.s.high > (UWtype) bu.s.high)
+               return 2;
+       if ((UWtype) au.s.low < (UWtype) bu.s.low)
+               return 0;
+       else if ((UWtype) au.s.low > (UWtype) bu.s.low)
+               return 2;
+       return 1;
+}