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