1 files changed, 29 insertions, 0 deletions
diff --git a/lib/builtins/fp_mode.h b/lib/builtins/fp_mode.h
new file mode 100644
index 000000000..51bec0431
--- /dev/null
+++ b/lib/builtins/fp_mode.h
@@ -0,0 +1,29 @@
+//===----- lib/fp_mode.h - Floaing-point environment mode utilities --C -*-===//
+//
+// 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 is not part of the interface of this library.
+//
+// This file defines an interface for accessing hardware floating point
+// environment mode.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef FP_MODE
+#define FP_MODE
+
+typedef enum {
+  FE_TONEAREST,
+  FE_DOWNWARD,
+  FE_UPWARD,
+  FE_TOWARDZERO
+} FE_ROUND_MODE;
+
+FE_ROUND_MODE __fe_getround();
+int __fe_raise_inexact();
+
+#endif // FP_MODE_H