<rdar://problem/8914924> implement udivmodsi4 and divmodsi4 for ARM

llvm-svn: 127778

1 files changed, 30 insertions, 0 deletions

diff --git a/compiler-rt/lib/udivmodsi4.c b/compiler-rt/lib/udivmodsi4.c
new file mode 100644
index 00000000000..38b5bd43de6
--- /dev/null
+++ b/compiler-rt/lib/udivmodsi4.c
@@ -0,0 +1,30 @@
+/*===-- udivmodsi4.c - Implement __udivmodsi4 ------------------------------===
+ *
+ *                    The LLVM Compiler Infrastructure
+ *
+ * This file is dual licensed under the MIT and the University of Illinois Open
+ * Source Licenses. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file implements __udivmodsi4 for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
+
+#include "int_lib.h"
+
+extern su_int __udivsi3(su_int n, su_int d);
+
+
+/* Returns: a / b, *rem = a % b  */
+
+su_int 
+__udivmodsi4(su_int a, su_int b, su_int* rem)
+{
+  si_int d = __udivsi3(a,b);
+  *rem = a - (d*b);
+  return d; 
+}
+
+