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Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-veboop.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/s-veboop.adb | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-veboop.adb b/gcc-4.2.1/gcc/ada/s-veboop.adb deleted file mode 100644 index 177a94480..000000000 --- a/gcc-4.2.1/gcc/ada/s-veboop.adb +++ /dev/null @@ -1,121 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . V E C T O R S . B O O L E A N _ O P E R A T I O N S -- --- -- --- B o d y -- --- -- --- Copyright (C) 2002-2005, 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, 51 Franklin Street, Fifth Floor, -- --- Boston, MA 02110-1301, 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. -- --- -- ------------------------------------------------------------------------------- - -package body System.Vectors.Boolean_Operations is - - type Boolean_Array is array (Integer range <>) of Boolean; - pragma Assert (Boolean_Array'Component_Size = 8); - -- Unfortunately Boolean_Array'Component_Size is not a compile-time-known - -- value, so assume it is 8 in order to be able to determine True_Val at - -- compile time. - - -- NOTE: The boolean literals must be qualified here to avoid visibility - -- anomalies when this package is compiled through Rtsfind, in a context - -- that includes a user-defined type derived from boolean. - - True_Val : constant Vector := Standard.True'Enum_Rep - + Standard.True'Enum_Rep * 2**8 - + Standard.True'Enum_Rep * 2**(8 * 2) - + Standard.True'Enum_Rep * 2**(8 * 3) - + Standard.True'Enum_Rep * 2**(8 * 4) - + Standard.True'Enum_Rep * 2**(8 * 5) - + Standard.True'Enum_Rep * 2**(8 * 6) - + Standard.True'Enum_Rep * 2**(8 * 7); - -- This constant represents the bits to be flipped to perform a logical - -- "not" on a vector of booleans, independent of the actual - -- representation of True. - - -- The representations of (False, True) are assumed to be zero/one and - -- the maximum number of unpacked booleans per Vector is assumed to be 8. - - pragma Assert (Standard.False'Enum_Rep = 0); - pragma Assert (Standard.True'Enum_Rep = 1); - pragma Assert (Vector'Size / Storage_Unit <= 8); - - -- The reason we need to do these gymnastics is that no call to - -- Unchecked_Conversion can be made at the library level since this - -- unit is pure. Also a conversion from the array type to the Vector type - -- inside the body of "not" is inefficient because of alignment issues. - - ----------- - -- "not" -- - ----------- - - function "not" (Item : Vectors.Vector) return Vectors.Vector is - begin - return Item xor True_Val; - end "not"; - - ---------- - -- Nand -- - ---------- - - function Nand (Left, Right : Boolean) return Boolean is - begin - return not (Left and Right); - end Nand; - - function Nand (Left, Right : Vectors.Vector) return Vectors.Vector is - begin - return not (Left and Right); - end Nand; - - --------- - -- Nor -- - --------- - - function Nor (Left, Right : Boolean) return Boolean is - begin - return not (Left or Right); - end Nor; - - function Nor (Left, Right : Vectors.Vector) return Vectors.Vector is - begin - return not (Left or Right); - end Nor; - - ---------- - -- Nxor -- - ---------- - - function Nxor (Left, Right : Boolean) return Boolean is - begin - return not (Left xor Right); - end Nxor; - - function Nxor (Left, Right : Vectors.Vector) return Vectors.Vector is - begin - return not (Left xor Right); - end Nxor; - -end System.Vectors.Boolean_Operations; |