| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- G N A T . A L T I V E C . C O N V E R S I O N S -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 2005, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 2, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- |
| -- for more details. You should have received a copy of the GNU General -- |
| -- Public License distributed with GNAT; see file COPYING. If not, write -- |
| -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- |
| -- MA 02111-1307, USA. -- |
| -- -- |
| -- As a special exception, if other files instantiate generics from this -- |
| -- unit, or you link this unit with other files to produce an executable, -- |
| -- this unit does not by itself cause the resulting executable to be -- |
| -- covered by the GNU General Public License. This exception does not -- |
| -- however invalidate any other reasons why the executable file might be -- |
| -- covered by the GNU Public License. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with Ada.Unchecked_Conversion; |
| |
| with System; use System; |
| |
| with GNAT.Altivec.Low_Level_Interface; use GNAT.Altivec.Low_Level_Interface; |
| with GNAT.Altivec.Low_Level_Vectors; use GNAT.Altivec.Low_Level_Vectors; |
| |
| package body GNAT.Altivec.Conversions is |
| |
| function To_Varray_unsigned_char is |
| new Ada.Unchecked_Conversion (Varray_signed_char, |
| Varray_unsigned_char); |
| |
| function To_Varray_unsigned_char is |
| new Ada.Unchecked_Conversion (Varray_bool_char, |
| Varray_unsigned_char); |
| |
| function To_Varray_unsigned_short is |
| new Ada.Unchecked_Conversion (Varray_signed_short, |
| Varray_unsigned_short); |
| |
| function To_Varray_unsigned_short is |
| new Ada.Unchecked_Conversion (Varray_bool_short, |
| Varray_unsigned_short); |
| |
| function To_Varray_unsigned_short is |
| new Ada.Unchecked_Conversion (Varray_pixel, |
| Varray_unsigned_short); |
| |
| function To_Varray_unsigned_int is |
| new Ada.Unchecked_Conversion (Varray_signed_int, |
| Varray_unsigned_int); |
| |
| function To_Varray_unsigned_int is |
| new Ada.Unchecked_Conversion (Varray_bool_int, |
| Varray_unsigned_int); |
| |
| function To_Varray_unsigned_int is |
| new Ada.Unchecked_Conversion (Varray_float, |
| Varray_unsigned_int); |
| |
| function To_Varray_signed_char is |
| new Ada.Unchecked_Conversion (Varray_unsigned_char, |
| Varray_signed_char); |
| |
| function To_Varray_bool_char is |
| new Ada.Unchecked_Conversion (Varray_unsigned_char, |
| Varray_bool_char); |
| |
| function To_Varray_signed_short is |
| new Ada.Unchecked_Conversion (Varray_unsigned_short, |
| Varray_signed_short); |
| |
| function To_Varray_bool_short is |
| new Ada.Unchecked_Conversion (Varray_unsigned_short, |
| Varray_bool_short); |
| |
| function To_Varray_pixel is |
| new Ada.Unchecked_Conversion (Varray_unsigned_short, |
| Varray_pixel); |
| |
| function To_Varray_signed_int is |
| new Ada.Unchecked_Conversion (Varray_unsigned_int, |
| Varray_signed_int); |
| |
| function To_Varray_bool_int is |
| new Ada.Unchecked_Conversion (Varray_unsigned_int, |
| Varray_bool_int); |
| |
| function To_Varray_float is |
| new Ada.Unchecked_Conversion (Varray_unsigned_int, |
| Varray_float); |
| |
| function To_VUC is new Ada.Unchecked_Conversion (VUC_View, VUC); |
| function To_VSC is new Ada.Unchecked_Conversion (VSC_View, VSC); |
| function To_VBC is new Ada.Unchecked_Conversion (VBC_View, VBC); |
| function To_VUS is new Ada.Unchecked_Conversion (VUS_View, VUS); |
| function To_VSS is new Ada.Unchecked_Conversion (VSS_View, VSS); |
| function To_VBS is new Ada.Unchecked_Conversion (VBS_View, VBS); |
| function To_VUI is new Ada.Unchecked_Conversion (VUI_View, VUI); |
| function To_VSI is new Ada.Unchecked_Conversion (VSI_View, VSI); |
| function To_VBI is new Ada.Unchecked_Conversion (VBI_View, VBI); |
| function To_VF is new Ada.Unchecked_Conversion (VF_View, VF); |
| function To_VP is new Ada.Unchecked_Conversion (VP_View, VP); |
| |
| function To_VUC_View is new Ada.Unchecked_Conversion (VUC, VUC_View); |
| function To_VSC_View is new Ada.Unchecked_Conversion (VSC, VSC_View); |
| function To_VBC_View is new Ada.Unchecked_Conversion (VBC, VBC_View); |
| function To_VUS_View is new Ada.Unchecked_Conversion (VUS, VUS_View); |
| function To_VSS_View is new Ada.Unchecked_Conversion (VSS, VSS_View); |
| function To_VBS_View is new Ada.Unchecked_Conversion (VBS, VBS_View); |
| function To_VUI_View is new Ada.Unchecked_Conversion (VUI, VUI_View); |
| function To_VSI_View is new Ada.Unchecked_Conversion (VSI, VSI_View); |
| function To_VBI_View is new Ada.Unchecked_Conversion (VBI, VBI_View); |
| function To_VF_View is new Ada.Unchecked_Conversion (VF, VF_View); |
| function To_VP_View is new Ada.Unchecked_Conversion (VP, VP_View); |
| |
| pragma Warnings (Off, Default_Bit_Order); |
| |
| --------------- |
| -- To_Vector -- |
| --------------- |
| |
| function To_Vector (S : VSC_View) return VSC is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VSC (S); |
| else |
| declare |
| Result : LL_VUC; |
| VS : constant VUC_View := |
| (Values => To_Varray_unsigned_char (S.Values)); |
| begin |
| Result := To_Vector (VS); |
| return To_LL_VSC (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VBC_View) return VBC is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VBC (S); |
| else |
| declare |
| Result : LL_VUC; |
| VS : constant VUC_View := |
| (Values => To_Varray_unsigned_char (S.Values)); |
| begin |
| Result := To_Vector (VS); |
| return To_LL_VBC (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VSS_View) return VSS is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VSS (S); |
| else |
| declare |
| Result : LL_VUS; |
| VS : constant VUS_View := |
| (Values => To_Varray_unsigned_short (S.Values)); |
| begin |
| Result := To_Vector (VS); |
| return VSS (To_LL_VSS (Result)); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VBS_View) return VBS is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VBS (S); |
| else |
| declare |
| Result : LL_VUS; |
| VS : constant VUS_View := |
| (Values => To_Varray_unsigned_short (S.Values)); |
| begin |
| Result := To_Vector (VS); |
| return To_LL_VBS (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VP_View) return VP is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VP (S); |
| else |
| declare |
| Result : LL_VUS; |
| VS : constant VUS_View := |
| (Values => To_Varray_unsigned_short (S.Values)); |
| begin |
| Result := To_Vector (VS); |
| return To_LL_VP (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VSI_View) return VSI is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VSI (S); |
| else |
| declare |
| Result : LL_VUI; |
| VS : constant VUI_View := |
| (Values => To_Varray_unsigned_int (S.Values)); |
| begin |
| Result := To_Vector (VS); |
| return To_LL_VSI (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VBI_View) return VBI is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VBI (S); |
| else |
| declare |
| Result : LL_VUI; |
| VS : constant VUI_View := |
| (Values => To_Varray_unsigned_int (S.Values)); |
| begin |
| Result := To_Vector (VS); |
| return To_LL_VBI (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VF_View) return VF is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VF (S); |
| else |
| declare |
| Result : LL_VUI; |
| VS : constant VUI_View := |
| (Values => To_Varray_unsigned_int (S.Values)); |
| begin |
| Result := To_Vector (VS); |
| return To_LL_VF (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VUC_View) return VUC is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VUC (S); |
| else |
| declare |
| Result : VUC_View; |
| begin |
| for J in Vchar_Range'Range loop |
| Result.Values (J) := |
| S.Values (Vchar_Range'Last - J + Vchar_Range'First); |
| end loop; |
| return To_VUC (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VUS_View) return VUS is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VUS (S); |
| else |
| declare |
| Result : VUS_View; |
| begin |
| for J in Vshort_Range'Range loop |
| Result.Values (J) := |
| S.Values (Vshort_Range'Last - J + Vshort_Range'First); |
| end loop; |
| return To_VUS (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| function To_Vector (S : VUI_View) return VUI is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VUI (S); |
| else |
| declare |
| Result : VUI_View; |
| begin |
| for J in Vint_Range'Range loop |
| Result.Values (J) := |
| S.Values (Vint_Range'Last - J + Vint_Range'First); |
| end loop; |
| return To_VUI (Result); |
| end; |
| end if; |
| end To_Vector; |
| |
| -------------- |
| -- To_View -- |
| -------------- |
| |
| function To_View (S : VSC) return VSC_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VSC_View (S); |
| else |
| declare |
| Result : VUC_View; |
| begin |
| Result := To_View (To_LL_VUC (S)); |
| return (Values => To_Varray_signed_char (Result.Values)); |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VBC) return VBC_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VBC_View (S); |
| else |
| declare |
| Result : VUC_View; |
| begin |
| Result := To_View (To_LL_VUC (S)); |
| return (Values => To_Varray_bool_char (Result.Values)); |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VSS) return VSS_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VSS_View (S); |
| else |
| declare |
| Result : VUS_View; |
| begin |
| Result := To_View (To_LL_VUS (S)); |
| return (Values => To_Varray_signed_short (Result.Values)); |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VBS) return VBS_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VBS_View (S); |
| else |
| declare |
| Result : VUS_View; |
| begin |
| Result := To_View (To_LL_VUS (S)); |
| return (Values => To_Varray_bool_short (Result.Values)); |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VP) return VP_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VP_View (S); |
| else |
| declare |
| Result : VUS_View; |
| begin |
| Result := To_View (To_LL_VUS (S)); |
| return (Values => To_Varray_pixel (Result.Values)); |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VSI) return VSI_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VSI_View (S); |
| else |
| declare |
| Result : VUI_View; |
| begin |
| Result := To_View (To_LL_VUI (S)); |
| return (Values => To_Varray_signed_int (Result.Values)); |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VBI) return VBI_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VBI_View (S); |
| else |
| declare |
| Result : VUI_View; |
| begin |
| Result := To_View (To_LL_VUI (S)); |
| return (Values => To_Varray_bool_int (Result.Values)); |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VF) return VF_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VF_View (S); |
| else |
| declare |
| Result : VUI_View; |
| begin |
| Result := To_View (To_LL_VUI (S)); |
| return (Values => To_Varray_float (Result.Values)); |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VUC) return VUC_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VUC_View (S); |
| else |
| declare |
| VS : constant VUC_View := To_VUC_View (S); |
| Result : VUC_View; |
| begin |
| for J in Vchar_Range'Range loop |
| Result.Values (J) := |
| VS.Values (Vchar_Range'Last - J + Vchar_Range'First); |
| end loop; |
| return Result; |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VUS) return VUS_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VUS_View (S); |
| else |
| declare |
| VS : constant VUS_View := To_VUS_View (S); |
| Result : VUS_View; |
| begin |
| for J in Vshort_Range'Range loop |
| Result.Values (J) := |
| VS.Values (Vshort_Range'Last - J + Vshort_Range'First); |
| end loop; |
| return Result; |
| end; |
| end if; |
| end To_View; |
| |
| function To_View (S : VUI) return VUI_View is |
| begin |
| if Default_Bit_Order = High_Order_First then |
| return To_VUI_View (S); |
| else |
| declare |
| VS : constant VUI_View := To_VUI_View (S); |
| Result : VUI_View; |
| begin |
| for J in Vint_Range'Range loop |
| Result.Values (J) := |
| VS.Values (Vint_Range'Last - J + Vint_Range'First); |
| end loop; |
| return Result; |
| end; |
| end if; |
| end To_View; |
| |
| end GNAT.Altivec.Conversions; |
