--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/a-numaux__libc-x86.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,97 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--                     A D A . N U M E R I C S . A U X                      --
+--                                                                          --
+--                                 S p e c                                  --
+--                       (C Library Version for x86)                        --
+--                                                                          --
+--          Copyright (C) 1992-2017, Free Software Foundation, Inc.         --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This version is for the x86 using the 80-bit x86 long double format
+
+package Ada.Numerics.Aux is
+   pragma Pure;
+
+   pragma Linker_Options ("-lm");
+
+   type Double is new Long_Long_Float;
+
+   --  We import these functions directly from C. Note that we label them
+   --  all as pure functions, because indeed all of them are in fact pure.
+
+   function Sin (X : Double) return Double;
+   pragma Import (C, Sin, "sinl");
+   pragma Pure_Function (Sin);
+
+   function Cos (X : Double) return Double;
+   pragma Import (C, Cos, "cosl");
+   pragma Pure_Function (Cos);
+
+   function Tan (X : Double) return Double;
+   pragma Import (C, Tan, "tanl");
+   pragma Pure_Function (Tan);
+
+   function Exp (X : Double) return Double;
+   pragma Import (C, Exp, "expl");
+   pragma Pure_Function (Exp);
+
+   function Sqrt (X : Double) return Double;
+   pragma Import (C, Sqrt, "sqrtl");
+   pragma Pure_Function (Sqrt);
+
+   function Log (X : Double) return Double;
+   pragma Import (C, Log, "logl");
+   pragma Pure_Function (Log);
+
+   function Acos (X : Double) return Double;
+   pragma Import (C, Acos, "acosl");
+   pragma Pure_Function (Acos);
+
+   function Asin (X : Double) return Double;
+   pragma Import (C, Asin, "asinl");
+   pragma Pure_Function (Asin);
+
+   function Atan (X : Double) return Double;
+   pragma Import (C, Atan, "atanl");
+   pragma Pure_Function (Atan);
+
+   function Sinh (X : Double) return Double;
+   pragma Import (C, Sinh, "sinhl");
+   pragma Pure_Function (Sinh);
+
+   function Cosh (X : Double) return Double;
+   pragma Import (C, Cosh, "coshl");
+   pragma Pure_Function (Cosh);
+
+   function Tanh (X : Double) return Double;
+   pragma Import (C, Tanh, "tanhl");
+   pragma Pure_Function (Tanh);
+
+   function Pow (X, Y : Double) return Double;
+   pragma Import (C, Pow, "powl");
+   pragma Pure_Function (Pow);
+
+end Ada.Numerics.Aux;