diff options
Diffstat (limited to 'sysdeps/s390/s390-64/strcmp.S')
| -rw-r--r-- | sysdeps/s390/s390-64/strcmp.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/s390/s390-64/strcmp.S b/sysdeps/s390/s390-64/strcmp.S new file mode 100644 index 0000000000..313a0d9e01 --- /dev/null +++ b/sysdeps/s390/s390-64/strcmp.S @@ -0,0 +1,41 @@ +/* strcmp - compare two string. 64 bit S/390 version. + This file is part of the GNU C Library. + Copyright (C) 2001 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* INPUT PARAMETERS + %r2 = address of string 1 + %r3 = address of string 2. */ + +#include "sysdep.h" +#include "asm-syntax.h" + + .text +ENTRY(strcmp) + slr %r0,%r0 +0: clst %r2,%r3 + jo 0b + jp 1f + jm 2f + slgr %r2,%r2 + br %r14 +1: lghi %r2,1 + br %r14 +2: lghi %r2,-1 + br %r14 +END(strcmp) |