File : 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, 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 -- --
19 -- --
20 -- --
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;