1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/x86/fpu/math_private.h b/sysdeps/x86/fpu/math_private.h
new file mode 100644
index 0000000000..dba29d6428
--- /dev/null
+++ b/sysdeps/x86/fpu/math_private.h
@@ -0,0 +1,32 @@
+/* Private inline math functions for x86.
+   Copyright (C) 1995-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef X86_MATH_PRIVATE_H
+#define X86_MATH_PRIVATE_H 1
+
+#include_next <math_private.h>
+
+__extern_always_inline long double
+__NTH (__ieee754_atan2l (long double y, long double x))
+{
+  long double ret;
+  __asm__ __volatile__ ("fpatan" : "=t" (ret) : "0" (x), "u" (y) : "st(1)");
+  return ret;
+}
+
+#endif