gcc/ada/libgnat/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) 2009-2017, 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.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 -- GNAT was originally developed  by the GNAT team at  New York University. --
  28 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  29 --                                                                          --
  30 ------------------------------------------------------------------------------
  31
  32 --  This unit provides the Vector/Views conversions
  33
  34 with GNAT.Altivec.Vector_Types; use GNAT.Altivec.Vector_Types;
  35 with GNAT.Altivec.Vector_Views; use GNAT.Altivec.Vector_Views;
  36
  37 package GNAT.Altivec.Conversions is
  38
  39    ---------------------
  40    -- char components --
  41    ---------------------
  42
  43    function To_Vector (S : VUC_View) return VUC;
  44    function To_Vector (S : VSC_View) return VSC;
  45    function To_Vector (S : VBC_View) return VBC;
  46
  47    function To_View (S : VUC) return VUC_View;
  48    function To_View (S : VSC) return VSC_View;
  49    function To_View (S : VBC) return VBC_View;
  50
  51    ----------------------
  52    -- short components --
  53    ----------------------
  54
  55    function To_Vector (S : VUS_View) return VUS;
  56    function To_Vector (S : VSS_View) return VSS;
  57    function To_Vector (S : VBS_View) return VBS;
  58
  59    function To_View (S : VUS) return VUS_View;
  60    function To_View (S : VSS) return VSS_View;
  61    function To_View (S : VBS) return VBS_View;
  62
  63    --------------------
  64    -- int components --
  65    --------------------
  66
  67    function To_Vector (S : VUI_View) return VUI;
  68    function To_Vector (S : VSI_View) return VSI;
  69    function To_Vector (S : VBI_View) return VBI;
  70
  71    function To_View (S : VUI) return VUI_View;
  72    function To_View (S : VSI) return VSI_View;
  73    function To_View (S : VBI) return VBI_View;
  74
  75    ----------------------
  76    -- float components --
  77    ----------------------
  78
  79    function To_Vector (S : VF_View) return VF;
  80
  81    function To_View (S : VF) return VF_View;
  82
  83    ----------------------
  84    -- pixel components --
  85    ----------------------
  86
  87    function To_Vector (S : VP_View) return VP;
  88
  89    function To_View (S : VP) return VP_View;
  90
  91 private
  92
  93    --  We want the above subprograms to always be inlined in the case of the
  94    --  hard PowerPC AltiVec support in order to avoid the unnecessary function
  95    --  call. On the other hand there is no problem with inlining these
  96    --  subprograms on little-endian targets.
  97
  98    pragma Inline_Always (To_Vector);
  99    pragma Inline_Always (To_View);
 100
 101 end GNAT.Altivec.Conversions;