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Diffstat (limited to 'gcc-4.2.1/gcc/ada/g-altcon.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/g-altcon.adb | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/g-altcon.adb b/gcc-4.2.1/gcc/ada/g-altcon.adb new file mode 100644 index 000000000..2969ba247 --- /dev/null +++ b/gcc-4.2.1/gcc/ada/g-altcon.adb @@ -0,0 +1,486 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |