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| 1 | /* memcmp variant information on S/390 version. |
|---|---|
| 2 | Copyright (C) 2018-2022 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #if defined USE_MULTIARCH && IS_IN (libc) \ |
| 20 | && ! defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT |
| 21 | # define HAVE_MEMCMP_IFUNC 1 |
| 22 | #else |
| 23 | # define HAVE_MEMCMP_IFUNC 0 |
| 24 | #endif |
| 25 | |
| 26 | #if defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT |
| 27 | # define MEMCMP_DEFAULT MEMCMP_Z196 |
| 28 | # define HAVE_MEMCMP_Z900_G5 0 |
| 29 | # define HAVE_MEMCMP_Z10 0 |
| 30 | # define HAVE_MEMCMP_Z196 1 |
| 31 | #elif defined HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT |
| 32 | # define MEMCMP_DEFAULT MEMCMP_Z10 |
| 33 | # define HAVE_MEMCMP_Z900_G5 0 |
| 34 | # define HAVE_MEMCMP_Z10 1 |
| 35 | # define HAVE_MEMCMP_Z196 HAVE_MEMCMP_IFUNC |
| 36 | #else |
| 37 | # define MEMCMP_DEFAULT MEMCMP_Z900_G5 |
| 38 | # define HAVE_MEMCMP_Z900_G5 1 |
| 39 | # define HAVE_MEMCMP_Z10 HAVE_MEMCMP_IFUNC |
| 40 | # define HAVE_MEMCMP_Z196 HAVE_MEMCMP_IFUNC |
| 41 | #endif |
| 42 | |
| 43 | #if HAVE_MEMCMP_Z900_G5 |
| 44 | # define MEMCMP_Z900_G5 __memcmp_default |
| 45 | #else |
| 46 | # define MEMCMP_Z900_G5 NULL |
| 47 | #endif |
| 48 | |
| 49 | #if HAVE_MEMCMP_Z10 |
| 50 | # define MEMCMP_Z10 __memcmp_z10 |
| 51 | #else |
| 52 | # define MEMCMP_Z10 NULL |
| 53 | #endif |
| 54 | |
| 55 | #if HAVE_MEMCMP_Z196 |
| 56 | # define MEMCMP_Z196 __memcmp_z196 |
| 57 | #else |
| 58 | # define MEMCMP_Z196 NULL |
| 59 | #endif |
| 60 |
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