projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 0a51f0ac UD |
1 | /* strcmp - compare two string. 64 bit S/390 version. |
| 2 | This file is part of the GNU C Library. | |
| bfff8b1b | 3 | Copyright (C) 2001-2017 Free Software Foundation, Inc. |
| 0a51f0ac UD |
4 | Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 0a51f0ac UD |
10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 14 | Lesser General Public License for more details. |
| 0a51f0ac | 15 | |
| 41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 0a51f0ac UD |
19 | |
| 20 | /* INPUT PARAMETERS | |
| 21 | %r2 = address of string 1 | |
| 22 | %r3 = address of string 2. */ | |
| 23 | ||
| 24 | #include "sysdep.h" | |
| 25 | #include "asm-syntax.h" | |
| 26 | ||
| 27 | .text | |
| 28 | ENTRY(strcmp) | |
| 29 | slr %r0,%r0 | |
| 30 | 0: clst %r2,%r3 | |
| 31 | jo 0b | |
| 32 | jp 1f | |
| 33 | jm 2f | |
| 34 | slgr %r2,%r2 | |
| 35 | br %r14 | |
| 36 | 1: lghi %r2,1 | |
| 37 | br %r14 | |
| 38 | 2: lghi %r2,-1 | |
| 39 | br %r14 | |
| 40 | END(strcmp) | |
| 85dd1003 | 41 | libc_hidden_builtin_def (strcmp) |