OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [ada/] [exp_vfpt.ads] - Blame information for rev 281

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 281 jeremybenn
------------------------------------------------------------------------------
2
--                                                                          --
3
--                         GNAT COMPILER COMPONENTS                         --
4
--                                                                          --
5
--                             E X P _ V F P T                              --
6
--                                                                          --
7
--                                 S p e c                                  --
8
--                                                                          --
9
--          Copyright (C) 1992-2008, Free Software Foundation, Inc.         --
10
--                                                                          --
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 3,  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 COPYING3.  If not, go to --
19
-- http://www.gnu.org/licenses for a complete copy of the license.          --
20
--                                                                          --
21
-- GNAT was originally developed  by the GNAT team at  New York University. --
22
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
23
--                                                                          --
24
------------------------------------------------------------------------------
25
 
26
--  This package contains specialized routines for handling the expansion
27
--  of arithmetic and conversion operations involving Vax format floating-
28
--  point formats as used on the Vax and the Alpha and the ia64.
29
 
30
with Types; use Types;
31
 
32
package Exp_VFpt is
33
 
34
   procedure Expand_Vax_Arith (N : Node_Id);
35
   --  The node N is an arithmetic node (N_Op_Abs, N_Op_Add, N_Op_Sub,
36
   --  N_Op_Div, N_Op_Mul, N_Op_Minus where the operands are in Vax float
37
   --  format. This procedure expands the necessary call.
38
 
39
   procedure Expand_Vax_Comparison (N : Node_Id);
40
   --  The node N is an arithmetic comparison node where the types to be
41
   --  compared are in Vax float format. This procedure expands the necessary
42
   --  call.
43
 
44
   procedure Expand_Vax_Conversion (N : Node_Id);
45
   --  The node N is a type conversion node where either the source or the
46
   --  target type, or both, are Vax floating-point type.
47
 
48
   procedure Expand_Vax_Foreign_Return (N : Node_Id);
49
   --  The node N is a call to a foreign function that returns a Vax float
50
   --  value in a floating point register. Wraps the call in an asm stub
51
   --  that moves the return value to an integer location on Alpha/VMS,
52
   --  noop everywhere else.
53
 
54
   procedure Expand_Vax_Real_Literal (N : Node_Id);
55
   --  The node N is a real literal node where the type is a Vax floating-point
56
   --  type. This procedure rewrites the node to eliminate the occurrence of
57
   --  such constants.
58
 
59
   procedure Expand_Vax_Valid (N : Node_Id);
60
   --  The node N is an attribute reference node for the Valid attribute where
61
   --  the prefix is of a Vax floating-point type. This procedure expands the
62
   --  necessary call for the validity test.
63
 
64
end Exp_VFpt;

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.