diff options
Diffstat (limited to 'gcc/ada/s-geveop.ads')
-rw-r--r-- | gcc/ada/s-geveop.ads | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc/ada/s-geveop.ads b/gcc/ada/s-geveop.ads new file mode 100644 index 00000000000..4a256fbcad2 --- /dev/null +++ b/gcc/ada/s-geveop.ads @@ -0,0 +1,66 @@ +------------------------------------------------------------------------------ +-- -- +-- GNU ADA RUNTIME LIBRARY (GNARL) COMPONENTS -- +-- -- +-- S Y S T E M . G E N E R I C _ V E C T O R _ O P E R A T I O N S -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2002 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. -- +-- -- +------------------------------------------------------------------------------ + +-- This package contains generic procedures for vector operations on arrays. +-- If the arguments are aligned on word boundaries and the word size is a +-- multiple M of the element size, the operations will be done M elements +-- at a time using vector operations on a word. + +-- All routines assume argument arrays have the same length, and arguments +-- with mode "in" do not alias arguments with mode "out" or "in out". +-- If the number N of elements to be processed is not a multiple of M +-- the final N rem M elements will be processed one item at a time. + +with System.Vectors; +with System.Storage_Elements; +generic + type Element is (<>); + type Index is (<>); + type Element_Array is array (Index range <>) of Element; +package System.Generic_Vector_Operations is +pragma Pure (Generic_Vector_Operations); + + generic + with function Element_Op (X, Y : Element) return Element; + with function Vector_Op (X, Y : Vectors.Vector) return Vectors.Vector; + procedure Binary_Operation + (R, X, Y : System.Address; + Length : System.Storage_Elements.Storage_Count); + + generic + with function Element_Op (X : Element) return Element; + with function Vector_Op (X : Vectors.Vector) return Vectors.Vector; + procedure Unary_Operation + (R, X : System.Address; + Length : System.Storage_Elements.Storage_Count); +end System.Generic_Vector_Operations; |