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. | |
| 3 | Copyright (C) 2001 Free Software Foundation, Inc. | |
| 4 | Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Library General Public License as | |
| 8 | published by the Free Software Foundation; either version 2 of the | |
| 9 | License, or (at your option) any later version. | |
| 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 | |
| 14 | Library General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Library General Public | |
| 17 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
| 18 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 | Boston, MA 02111-1307, USA. */ | |
| 20 | ||
| 21 | /* INPUT PARAMETERS | |
| 22 | %r2 = address of string 1 | |
| 23 | %r3 = address of string 2. */ | |
| 24 | ||
| 25 | #include "sysdep.h" | |
| 26 | #include "asm-syntax.h" | |
| 27 | ||
| 28 | .text | |
| 29 | ENTRY(strcmp) | |
| 30 | slr %r0,%r0 | |
| 31 | 0: clst %r2,%r3 | |
| 32 | jo 0b | |
| 33 | jp 1f | |
| 34 | jm 2f | |
| 35 | slgr %r2,%r2 | |
| 36 | br %r14 | |
| 37 | 1: lghi %r2,1 | |
| 38 | br %r14 | |
| 39 | 2: lghi %r2,-1 | |
| 40 | br %r14 | |
| 41 | END(strcmp) |