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. | |
| 04277e02 | 3 | Copyright (C) 2001-2019 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 | 17 | License along with the GNU C Library; if not, see |
| 5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
| 0a51f0ac UD |
19 | |
| 20 | /* INPUT PARAMETERS | |
| 21 | %r2 = address of string 1 | |
| 22 | %r3 = address of string 2. */ | |
| 23 | ||
| cdab85fe | 24 | #include <ifunc-strcmp.h> |
| 0a51f0ac UD |
25 | #include "sysdep.h" |
| 26 | #include "asm-syntax.h" | |
| 27 | ||
| cdab85fe SL |
28 | #if HAVE_STRCMP_Z900_G5 |
| 29 | # if defined __s390x__ | |
| 30 | # define SLGR slgr | |
| 31 | # define LGHI lghi | |
| 32 | # else | |
| 33 | # define SLGR slr | |
| 34 | # define LGHI lhi | |
| 35 | # endif /* ! defined __s390x__ */ | |
| 36 | ||
| 0a51f0ac | 37 | .text |
| cdab85fe SL |
38 | ENTRY(STRCMP_Z900_G5) |
| 39 | SLGR %r0,%r0 | |
| 0a51f0ac UD |
40 | 0: clst %r2,%r3 |
| 41 | jo 0b | |
| 42 | jp 1f | |
| 43 | jm 2f | |
| cdab85fe | 44 | SLGR %r2,%r2 |
| 0a51f0ac | 45 | br %r14 |
| cdab85fe | 46 | 1: LGHI %r2,1 |
| 0a51f0ac | 47 | br %r14 |
| cdab85fe | 48 | 2: LGHI %r2,-1 |
| 0a51f0ac | 49 | br %r14 |
| cdab85fe SL |
50 | END(STRCMP_Z900_G5) |
| 51 | ||
| 52 | # if ! HAVE_STRCMP_IFUNC | |
| 53 | strong_alias (STRCMP_Z900_G5, strcmp) | |
| 54 | # endif | |
| 55 | ||
| 56 | # if defined SHARED && IS_IN (libc) | |
| 57 | strong_alias (STRCMP_Z900_G5, __GI_strcmp) | |
| 58 | # endif | |
| 59 | #endif |