1 /* Multiple versions of bzero. PowerPC64 version. 2 Copyright (C) 2013-2021 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 /* Define multiple versions only for definition in libc. */ 20 #if IS_IN (libc) 21 # include <string.h> 22 # include <strings.h> 23 # include "init-arch.h" 24 25 extern __typeof (bzero) __bzero_ppc attribute_hidden; 26 extern __typeof (bzero) __bzero_power4 attribute_hidden; 27 extern __typeof (bzero) __bzero_power6 attribute_hidden; 28 extern __typeof (bzero) __bzero_power7 attribute_hidden; 29 extern __typeof (bzero) __bzero_power8 attribute_hidden; 30 # ifdef __LITTLE_ENDIAN__ 31 extern __typeof (bzero) __bzero_power10 attribute_hidden; 32 # endif 33 34 libc_ifunc (__bzero, 35 # ifdef __LITTLE_ENDIAN__ 36 (hwcap2 & PPC_FEATURE2_ARCH_3_1 37 && hwcap2 & PPC_FEATURE2_HAS_ISEL 38 && hwcap & PPC_FEATURE_HAS_VSX) 39 ? __bzero_power10 : 40 # endif 41 (hwcap2 & PPC_FEATURE2_ARCH_2_07 42 && hwcap & PPC_FEATURE_HAS_ALTIVEC) 43 ? __bzero_power8 : 44 (hwcap & PPC_FEATURE_HAS_VSX) 45 ? __bzero_power7 : 46 (hwcap & PPC_FEATURE_ARCH_2_05 47 && hwcap & PPC_FEATURE_HAS_ALTIVEC) 48 ? __bzero_power6 : 49 (hwcap & PPC_FEATURE_POWER4) 50 ? __bzero_power4 51 : __bzero_ppc); 52 53 weak_alias (__bzero, bzero) 54 #endif 55