1 files changed, 19 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/umodsi3.c b/compiler-rt/lib/builtins/umodsi3.c
new file mode 100644
index 000000000000..ce9abcd94ef7
--- /dev/null
+++ b/compiler-rt/lib/builtins/umodsi3.c
@@ -0,0 +1,19 @@
+//===-- umodsi3.c - Implement __umodsi3 -----------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements __umodsi3 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+
+// Returns: a % b
+
+COMPILER_RT_ABI su_int __umodsi3(su_int a, su_int b) {
+  return a - __udivsi3(a, b) * b;
+}