gcc/ada/exp_vfpt.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             E X P _ V F P T                              --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                                                                          --
  10 --             Copyright (C) 1997 Free Software Foundation, Inc.            --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- GNAT was originally developed  by the GNAT team at  New York University. --
  24 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  25 --                                                                          --
  26 ------------------------------------------------------------------------------
  27
  28 --  This package contains specialized routines for handling the expansion
  29 --  of arithmetic and conversion operations involving Vax format floating-
  30 --  point formats as used on the Vax and the Alpha.
  31
  32 with Types; use Types;
  33
  34 package Exp_VFpt is
  35
  36    procedure Expand_Vax_Arith (N : Node_Id);
  37    --  The node N is an arithmetic node (N_Op_Abs, N_Op_Add, N_Op_Sub,
  38    --  N_Op_Div, N_Op_Mul, N_Op_Minus where the operands are in Vax
  39    --  float format. This procedure expands the necessary call.
  40
  41    procedure Expand_Vax_Comparison (N : Node_Id);
  42    --  The node N is an arithmetic comparison node where the types to
  43    --  be compared are in Vax float format. This procedure expands the
  44    --  necessary call.
  45
  46    procedure Expand_Vax_Conversion (N : Node_Id);
  47    --  The node N is a type conversion node where either the source or
  48    --  the target type, or both, are Vax floating-point type.
  49
  50    procedure Expand_Vax_Real_Literal (N : Node_Id);
  51    --  The node N is a real literal node where the type is a Vax
  52    --  floating-point type. This procedure rewrites the node to eliminate
  53    --  the occurrence of such constants.
  54
  55 end Exp_VFpt;