Clean checkin of the 6.03 code

BUG: 32495852
Change-Id: I5038a3bb41e217380c1188463daec07b1e9b6b48
diff --git a/gpxe/src/libgcc/__moddi3.c b/gpxe/src/libgcc/__moddi3.c
new file mode 100644
index 0000000..d671bbc
--- /dev/null
+++ b/gpxe/src/libgcc/__moddi3.c
@@ -0,0 +1,26 @@
+/*
+ * arch/i386/libgcc/__moddi3.c
+ */
+
+#include "libgcc.h"
+
+__libgcc int64_t __moddi3(int64_t num, int64_t den)
+{
+  int minus = 0;
+  int64_t v;
+
+  if ( num < 0 ) {
+    num = -num;
+    minus = 1;
+  }
+  if ( den < 0 ) {
+    den = -den;
+    minus ^= 1;
+  }
+
+  (void) __udivmoddi4(num, den, (uint64_t *)&v);
+  if ( minus )
+    v = -v;
+
+  return v;
+}