1 files changed, 22 insertions, 0 deletions
diff --git a/lib/negdi2.c b/lib/negdi2.c
new file mode 100644
index 00000000..db2d865b
--- /dev/null
+++ b/lib/negdi2.c
@@ -0,0 +1,22 @@
+//===-- negdi2.c - Implement __negdi2 -------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements __negdi2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+
+// Returns: -a
+
+di_int
+__negdi2(di_int a)
+{
+    return ~a + 1;
+}