1 files changed, 25 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/negti2.c b/compiler-rt/lib/builtins/negti2.c
new file mode 100644
index 000000000000..d52ba4e13a46
--- /dev/null
+++ b/compiler-rt/lib/builtins/negti2.c
@@ -0,0 +1,25 @@
+//===-- negti2.c - Implement __negti2 -------------------------------------===//
+//
+// 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 __negti2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+
+#ifdef CRT_HAS_128BIT
+
+// Returns: -a
+
+COMPILER_RT_ABI ti_int __negti2(ti_int a) {
+  // Note: this routine is here for API compatibility; any sane compiler
+  // should expand it inline.
+  return -a;
+}
+
+#endif // CRT_HAS_128BIT