1 files changed, 30 insertions, 0 deletions
diff --git a/lib/builtins/negti2.c b/lib/builtins/negti2.c
new file mode 100644
index 000000000..f7e4ad3b9
--- /dev/null
+++ b/lib/builtins/negti2.c
@@ -0,0 +1,30 @@
+/* ===-- negti2.c - Implement __negti2 -------------------------------------===
+ *
+ *      	       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 __negti2 for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
+
+#include "int_lib.h"
+
+#if __x86_64
+
+/* Returns: -a */
+
+ti_int
+__negti2(ti_int a)
+{
+    /* Note: this routine is here for API compatibility; any sane compiler
+     * should expand it inline.
+     */
+    return -a;
+}
+
+#endif