| /* Multiple versions of memcpy. PowerPC64 version. |
| Copyright (C) 2013-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* Define multiple versions only for the definition in lib and for |
| DSO. In static binaries we need memcpy before the initialization |
| happened. */ |
| #if defined SHARED && IS_IN (libc) |
| /* Redefine memcpy so that the compiler won't complain about the type |
| mismatch with the IFUNC selector in strong_alias, below. */ |
| # undef memcpy |
| # define memcpy __redirect_memcpy |
| # include <string.h> |
| # include "init-arch.h" |
| |
| extern __typeof (__redirect_memcpy) __libc_memcpy; |
| |
| extern __typeof (__redirect_memcpy) __memcpy_ppc attribute_hidden; |
| extern __typeof (__redirect_memcpy) __memcpy_power4 attribute_hidden; |
| extern __typeof (__redirect_memcpy) __memcpy_cell attribute_hidden; |
| extern __typeof (__redirect_memcpy) __memcpy_power6 attribute_hidden; |
| extern __typeof (__redirect_memcpy) __memcpy_a2 attribute_hidden; |
| extern __typeof (__redirect_memcpy) __memcpy_power7 attribute_hidden; |
| extern __typeof (__redirect_memcpy) __memcpy_power8_cached attribute_hidden; |
| |
| libc_ifunc (__libc_memcpy, |
| ((hwcap2 & PPC_FEATURE2_ARCH_2_07) && use_cached_memopt) |
| ? __memcpy_power8_cached : |
| (hwcap & PPC_FEATURE_HAS_VSX) |
| ? __memcpy_power7 : |
| (hwcap & PPC_FEATURE_ARCH_2_06) |
| ? __memcpy_a2 : |
| (hwcap & PPC_FEATURE_ARCH_2_05) |
| ? __memcpy_power6 : |
| (hwcap & PPC_FEATURE_CELL_BE) |
| ? __memcpy_cell : |
| (hwcap & PPC_FEATURE_POWER4) |
| ? __memcpy_power4 |
| : __memcpy_ppc); |
| |
| #undef memcpy |
| strong_alias (__libc_memcpy, memcpy); |
| libc_hidden_ver (__libc_memcpy, memcpy); |
| #endif |
