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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S E M _ V F P T --
-- --
-- B o d y --
-- --
-- Copyright (C) 1997-2010, 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. 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 COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with CStand; use CStand;
with Einfo; use Einfo;
with Opt; use Opt;
with Stand; use Stand;
with Targparm; use Targparm;
package body Sem_VFpt is
-----------------
-- Set_D_Float --
-----------------
procedure Set_D_Float (E : Entity_Id) is
VAXDF_Digits : constant := 9;
begin
Init_Size (Base_Type (E), 64);
Init_Alignment (Base_Type (E));
Init_Digits_Value (Base_Type (E), VAXDF_Digits);
Set_Float_Rep (Base_Type (E), VAX_Native);
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
VAXFF_Digits : constant := 6;
begin
Init_Size (Base_Type (E), 32);
Init_Alignment (Base_Type (E));
Init_Digits_Value (Base_Type (E), VAXFF_Digits);
Set_Float_Rep (Base_Type (E), VAX_Native);
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
VAXGF_Digits : constant := 15;
begin
Init_Size (Base_Type (E), 64);
Init_Alignment (Base_Type (E));
Init_Digits_Value (Base_Type (E), VAXGF_Digits);
Set_Float_Rep (Base_Type (E), VAX_Native);
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
IEEEL_Digits : constant := 15;
begin
Init_Size (Base_Type (E), 64);
Init_Alignment (Base_Type (E));
Init_Digits_Value (Base_Type (E), IEEEL_Digits);
Set_Float_Rep (Base_Type (E), IEEE_Binary);
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
IEEES_Digits : constant := 6;
begin
Init_Size (Base_Type (E), 32);
Init_Alignment (Base_Type (E));
Init_Digits_Value (Base_Type (E), IEEES_Digits);
Set_Float_Rep (Base_Type (E), IEEE_Binary);
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;
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