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/* strcmp - compare two string. 64 bit S/390 version.
This file is part of the GNU C Library.
Copyright (C) 2001-2021 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/* INPUT PARAMETERS
%r2 = address of string 1
%r3 = address of string 2. */
#include <ifunc-strcmp.h>
#include "sysdep.h"
#include "asm-syntax.h"
#if HAVE_STRCMP_Z900_G5
# if defined __s390x__
# define SLGR slgr
# define LGHI lghi
# else
# define SLGR slr
# define LGHI lhi
# endif /* ! defined __s390x__ */
.text
ENTRY(STRCMP_Z900_G5)
SLGR %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_Z900_G5)
# if ! HAVE_STRCMP_IFUNC
strong_alias (STRCMP_Z900_G5, strcmp)
# endif
# if defined SHARED && IS_IN (libc)
strong_alias (STRCMP_Z900_G5, __GI_strcmp)
# endif
#endif
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