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, 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
34with GNAT.Altivec.Vector_Types; use GNAT.Altivec.Vector_Types;
35with GNAT.Altivec.Vector_Views; use GNAT.Altivec.Vector_Views;
36
37package 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
91private
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
101end GNAT.Altivec.Conversions;
102