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Diffstat (limited to 'arch/m32r/lib/ucmpdi2.c')
-rw-r--r--arch/m32r/lib/ucmpdi2.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/m32r/lib/ucmpdi2.c b/arch/m32r/lib/ucmpdi2.c
new file mode 100644
index 000000000000..9d3c682c89b5
--- /dev/null
+++ b/arch/m32r/lib/ucmpdi2.c
@@ -0,0 +1,17 @@
+#include "libgcc.h"
+
+int __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;
+}