1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1997-2002, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 with CStand; use CStand;
28 with Einfo; use Einfo;
30 with Stand; use Stand;
31 with Targparm; use Targparm;
32 with Ttypef; use Ttypef;
34 package body Sem_VFpt is
40 procedure Set_D_Float (E : Entity_Id) is
42 Init_Size (Base_Type (E), 64);
43 Init_Alignment (Base_Type (E));
44 Init_Digits_Value (Base_Type (E), VAXDF_Digits);
45 Set_Vax_Float (Base_Type (E), True);
46 Set_Float_Bounds (Base_Type (E));
50 Init_Digits_Value (E, VAXDF_Digits);
51 Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
58 procedure Set_F_Float (E : Entity_Id) is
60 Init_Size (Base_Type (E), 32);
61 Init_Alignment (Base_Type (E));
62 Init_Digits_Value (Base_Type (E), VAXFF_Digits);
63 Set_Vax_Float (Base_Type (E), True);
64 Set_Float_Bounds (Base_Type (E));
68 Init_Digits_Value (E, VAXFF_Digits);
69 Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
76 procedure Set_G_Float (E : Entity_Id) is
78 Init_Size (Base_Type (E), 64);
79 Init_Alignment (Base_Type (E));
80 Init_Digits_Value (Base_Type (E), VAXGF_Digits);
81 Set_Vax_Float (Base_Type (E), True);
82 Set_Float_Bounds (Base_Type (E));
86 Init_Digits_Value (E, VAXGF_Digits);
87 Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
94 procedure Set_IEEE_Long (E : Entity_Id) is
96 Init_Size (Base_Type (E), 64);
97 Init_Alignment (Base_Type (E));
98 Init_Digits_Value (Base_Type (E), IEEEL_Digits);
99 Set_Vax_Float (Base_Type (E), False);
100 Set_Float_Bounds (Base_Type (E));
104 Init_Digits_Value (E, IEEEL_Digits);
105 Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
112 procedure Set_IEEE_Short (E : Entity_Id) is
114 Init_Size (Base_Type (E), 32);
115 Init_Alignment (Base_Type (E));
116 Init_Digits_Value (Base_Type (E), IEEES_Digits);
117 Set_Vax_Float (Base_Type (E), False);
118 Set_Float_Bounds (Base_Type (E));
122 Init_Digits_Value (E, IEEES_Digits);
123 Set_Scalar_Range (E, Scalar_Range (Base_Type (E)));
126 ------------------------------
127 -- Set_Standard_Fpt_Formats --
128 ------------------------------
130 procedure Set_Standard_Fpt_Formats is
134 if Opt.Float_Format = 'I' then
135 Set_IEEE_Short (Standard_Float);
136 Set_IEEE_Long (Standard_Long_Float);
137 Set_IEEE_Long (Standard_Long_Long_Float);
142 Set_F_Float (Standard_Float);
144 if Opt.Float_Format_Long = 'D' then
145 Set_D_Float (Standard_Long_Float);
147 Set_G_Float (Standard_Long_Float);
150 -- Note: Long_Long_Float gets set only in the real VMS case,
151 -- because this gives better results for testing out the use
152 -- of VAX float on non-VMS environments with the -gnatdm switch.
154 if OpenVMS_On_Target then
155 Set_G_Float (Standard_Long_Long_Float);
158 end Set_Standard_Fpt_Formats;