projects / thirdparty / gcc.git / blame
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|---|---|---|
| cacbc350 RK |
1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3084fecd | 3 | -- GNAT RUN-TIME LIBRARY COMPONENTS -- |
| cacbc350 | 4 | -- -- |
| fbf5a39b | 5 | -- S Y S T E M . C O M P A R E _ A R R A Y _ U N S I G N E D _ 6 4 -- |
| cacbc350 RK |
6 | -- -- |
| 7 | -- S p e c -- | |
| 8 | -- -- | |
| 4b490c1e | 9 | -- Copyright (C) 2002-2020, Free Software Foundation, Inc. -- |
| cacbc350 RK |
10 | -- -- |
| 11 | -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 12 | -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 748086b7 | 13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| cacbc350 RK |
14 | -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| 15 | -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 748086b7 JJ |
16 | -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| 17 | -- -- | |
| 18 | -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 19 | -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 20 | -- version 3.1, as published by the Free Software Foundation. -- | |
| 21 | -- -- | |
| 22 | -- You should have received a copy of the GNU General Public License and -- | |
| 23 | -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 24 | -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 25 | -- <http://www.gnu.org/licenses/>. -- | |
| cacbc350 RK |
26 | -- -- |
| 27 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 71ff80dc | 28 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| cacbc350 RK |
29 | -- -- |
| 30 | ------------------------------------------------------------------------------ | |
| 31 | ||
| fbf5a39b AC |
32 | -- This package contains functions for runtime comparisons on arrays whose |
| 33 | -- elements are 64-bit discrete type values to be treated as unsigned. | |
| cacbc350 | 34 | |
| fbf5a39b | 35 | package System.Compare_Array_Unsigned_64 is |
| cacbc350 | 36 | |
| fbf5a39b AC |
37 | -- Note: although the functions in this package are in a sense Pure, the |
| 38 | -- package cannot be declared as Pure, since the arguments are addresses, | |
| 39 | -- not the data, and the result is not pure wrt the address values. | |
| cacbc350 | 40 | |
| fbf5a39b AC |
41 | function Compare_Array_U64 |
| 42 | (Left : System.Address; | |
| 43 | Right : System.Address; | |
| 44 | Left_Len : Natural; | |
| 7324bf49 | 45 | Right_Len : Natural) return Integer; |
| fbf5a39b AC |
46 | -- Compare the array starting at address Left of length Left_Len |
| 47 | -- with the array starting at address Right of length Right_Len. | |
| 48 | -- The comparison is in the normal Ada semantic sense of array | |
| 49 | -- comparison. The result is -1,0,+1 for Left<Right, Left=Right, | |
| 50 | -- Left>Right respectively. | |
| cacbc350 | 51 | |
| fbf5a39b | 52 | end System.Compare_Array_Unsigned_64; |