gcc/ada/g-altcon.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --             G N A T . A L T I V E C . C O N V E R S I O N S              --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --            Copyright (C) 2005, 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 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,  59 Temple Place - Suite 330,  Boston, --
  20 -- MA 02111-1307, USA.                                                      --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  This unit provides the Vector/Views conversions
  35
  36 with GNAT.Altivec.Vector_Types; use GNAT.Altivec.Vector_Types;
  37 with GNAT.Altivec.Vector_Views; use GNAT.Altivec.Vector_Views;
  38
  39 package GNAT.Altivec.Conversions is
  40
  41    ---------------------
  42    -- char components --
  43    ---------------------
  44
  45    function To_Vector (S : VUC_View) return VUC;
  46    function To_Vector (S : VSC_View) return VSC;
  47    function To_Vector (S : VBC_View) return VBC;
  48
  49    function To_View (S : VUC) return VUC_View;
  50    function To_View (S : VSC) return VSC_View;
  51    function To_View (S : VBC) return VBC_View;
  52
  53    ----------------------
  54    -- short components --
  55    ----------------------
  56
  57    function To_Vector (S : VUS_View) return VUS;
  58    function To_Vector (S : VSS_View) return VSS;
  59    function To_Vector (S : VBS_View) return VBS;
  60
  61    function To_View (S : VUS) return VUS_View;
  62    function To_View (S : VSS) return VSS_View;
  63    function To_View (S : VBS) return VBS_View;
  64
  65    --------------------
  66    -- int components --
  67    --------------------
  68
  69    function To_Vector (S : VUI_View) return VUI;
  70    function To_Vector (S : VSI_View) return VSI;
  71    function To_Vector (S : VBI_View) return VBI;
  72
  73    function To_View (S : VUI) return VUI_View;
  74    function To_View (S : VSI) return VSI_View;
  75    function To_View (S : VBI) return VBI_View;
  76
  77    ----------------------
  78    -- float components --
  79    ----------------------
  80
  81    function To_Vector (S : VF_View) return VF;
  82
  83    function To_View (S : VF) return VF_View;
  84
  85    ----------------------
  86    -- pixel components --
  87    ----------------------
  88
  89    function To_Vector (S : VP_View) return VP;
  90
  91    function To_View (S : VP) return VP_View;
  92
  93 private
  94
  95    --  We want the above subprograms to always be inlined in the case of the
  96    --  hard PowerPC AltiVec support in order to avoid the unnecessary function
  97    --  call. On the other hand there is no problem with inlining these
  98    --  subprograms on little-endian targets.
  99
 100    pragma Inline_Always (To_Vector);
 101    pragma Inline_Always (To_View);
 102
 103 end GNAT.Altivec.Conversions;