New Language: Ada

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45959 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 168 insertions, 0 deletions

diff --git a/gcc/ada/sem_vfpt.adb b/gcc/ada/sem_vfpt.adb
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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                             S E M _ V F P T                              --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--                            $Revision: 1.10 $
+--                                                                          --
+--          Copyright (C) 1997-2000, 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 2,  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.  See the GNU General Public License --
+-- for  more details.  You should have  received  a copy of the GNU General --
+-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
+-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
+-- MA 02111-1307, USA.                                                      --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+--                                                                          --
+------------------------------------------------------------------------------
+
+with CStand;   use CStand;
+with Einfo;    use Einfo;
+with Opt;      use Opt;
+with Stand;    use Stand;
+with Targparm; use Targparm;
+with Ttypef;   use Ttypef;
+with Uintp;    use Uintp;
+
+pragma Elaborate_All (Uintp);
+
+package body Sem_VFpt is
+
+   T_Digits : constant Uint := UI_From_Int (IEEEL_Digits);
+   --  Digits for IEEE formats
+
+   -----------------
+   -- Set_D_Float --
+   -----------------
+
+   procedure Set_D_Float (E : Entity_Id) is
+   begin
+      Init_Size         (Base_Type (E), 64);
+      Init_Alignment    (Base_Type (E));
+      Init_Digits_Value (Base_Type (E), VAXDF_Digits);
+      Set_Vax_Float     (Base_Type (E), True);
+      Set_Float_Bounds  (Base_Type (E));
+
+      Init_Size         (E, 64);
+      Init_Alignment    (E);
+      Init_Digits_Value (E, VAXDF_Digits);
+      Set_Scalar_Range  (E, Scalar_Range (Base_Type (E)));
+   end Set_D_Float;
+
+   -----------------
+   -- Set_F_Float --
+   -----------------
+
+   procedure Set_F_Float (E : Entity_Id) is
+   begin
+      Init_Size         (Base_Type (E), 32);
+      Init_Alignment    (Base_Type (E));
+      Init_Digits_Value (Base_Type (E), VAXFF_Digits);
+      Set_Vax_Float     (Base_Type (E), True);
+      Set_Float_Bounds  (Base_Type (E));
+
+      Init_Size         (E, 32);
+      Init_Alignment    (E);
+      Init_Digits_Value (E, VAXFF_Digits);
+      Set_Scalar_Range  (E, Scalar_Range (Base_Type (E)));
+   end Set_F_Float;
+
+   -----------------
+   -- Set_G_Float --
+   -----------------
+
+   procedure Set_G_Float (E : Entity_Id) is
+   begin
+      Init_Size         (Base_Type (E), 64);
+      Init_Alignment    (Base_Type (E));
+      Init_Digits_Value (Base_Type (E), VAXGF_Digits);
+      Set_Vax_Float     (Base_Type (E), True);
+      Set_Float_Bounds  (Base_Type (E));
+
+      Init_Size         (E, 64);
+      Init_Alignment    (E);
+      Init_Digits_Value (E, VAXGF_Digits);
+      Set_Scalar_Range  (E, Scalar_Range (Base_Type (E)));
+   end Set_G_Float;
+
+   -------------------
+   -- Set_IEEE_Long --
+   -------------------
+
+   procedure Set_IEEE_Long (E : Entity_Id) is
+   begin
+      Init_Size         (Base_Type (E), 64);
+      Init_Alignment    (Base_Type (E));
+      Init_Digits_Value (Base_Type (E), IEEEL_Digits);
+      Set_Vax_Float     (Base_Type (E), False);
+      Set_Float_Bounds  (Base_Type (E));
+
+      Init_Size         (E, 64);
+      Init_Alignment    (E);
+      Init_Digits_Value (E, IEEEL_Digits);
+      Set_Scalar_Range  (E, Scalar_Range (Base_Type (E)));
+   end Set_IEEE_Long;
+
+   --------------------
+   -- Set_IEEE_Short --
+   --------------------
+
+   procedure Set_IEEE_Short (E : Entity_Id) is
+   begin
+      Init_Size         (Base_Type (E), 32);
+      Init_Alignment    (Base_Type (E));
+      Init_Digits_Value (Base_Type (E), IEEES_Digits);
+      Set_Vax_Float     (Base_Type (E), False);
+      Set_Float_Bounds  (Base_Type (E));
+
+      Init_Size         (E, 32);
+      Init_Alignment    (E);
+      Init_Digits_Value (E, IEEES_Digits);
+      Set_Scalar_Range  (E, Scalar_Range (Base_Type (E)));
+   end Set_IEEE_Short;
+
+   ------------------------------
+   -- Set_Standard_Fpt_Formats --
+   ------------------------------
+
+   procedure Set_Standard_Fpt_Formats is
+   begin
+      --  IEEE case
+
+      if Opt.Float_Format = 'I' then
+         Set_IEEE_Short (Standard_Float);
+         Set_IEEE_Long  (Standard_Long_Float);
+         Set_IEEE_Long  (Standard_Long_Long_Float);
+
+      --  Vax float case
+
+      else
+         Set_F_Float (Standard_Float);
+
+         if Opt.Float_Format_Long = 'D' then
+            Set_D_Float (Standard_Long_Float);
+         else
+            Set_G_Float (Standard_Long_Float);
+         end if;
+
+         --  Note: Long_Long_Float gets set only in the real VMS case,
+         --  because this gives better results for testing out the use
+         --  of VAX float on non-VMS environments with the -gnatdm switch.
+
+         if OpenVMS_On_Target then
+            Set_G_Float (Standard_Long_Long_Float);
+         end if;
+      end if;
+   end Set_Standard_Fpt_Formats;
+
+end Sem_VFpt;