diff options
Diffstat (limited to 'gcc-4.4.0/gcc/ada/s-veboop.adb')
| -rw-r--r-- | gcc-4.4.0/gcc/ada/s-veboop.adb | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/gcc-4.4.0/gcc/ada/s-veboop.adb b/gcc-4.4.0/gcc/ada/s-veboop.adb deleted file mode 100644 index dea318abb..000000000 --- a/gcc-4.4.0/gcc/ada/s-veboop.adb +++ /dev/null @@ -1,125 +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) 2002-2009, 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 3, 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. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- 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 - - SU : constant := Storage_Unit; - -- Convenient short hand, used throughout - - -- The coding of this unit depends on the fact that the Component_Size - -- of a normally declared array of Boolean is equal to Storage_Unit. We - -- can't use the Component_Size directly since it is non-static. The - -- following declaration checks that this declaration is correct - - type Boolean_Array is array (Integer range <>) of Boolean; - pragma Compile_Time_Error - (Boolean_Array'Component_Size /= SU, "run time compile failure"); - - -- 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**SU - + Standard.True'Enum_Rep * 2**(SU * 2) - + Standard.True'Enum_Rep * 2**(SU * 3) - + Standard.True'Enum_Rep * 2**(SU * 4) - + Standard.True'Enum_Rep * 2**(SU * 5) - + Standard.True'Enum_Rep * 2**(SU * 6) - + Standard.True'Enum_Rep * 2**(SU * 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; |