diff options
Diffstat (limited to 'REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memmove.c')
-rw-r--r-- | REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memmove.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memmove.c b/REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memmove.c new file mode 100644 index 0000000000..db2bbc7837 --- /dev/null +++ b/REORG.TODO/sysdeps/powerpc/powerpc64/multiarch/memmove.c @@ -0,0 +1,45 @@ +/* Multiple versions of memmove. PowerPC64 version. + Copyright (C) 2014-2017 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 memmove before the initialization + happened. */ +#if defined SHARED && IS_IN (libc) +/* Redefine memmove so that the compiler won't complain about the type + mismatch with the IFUNC selector in strong_alias, below. */ +# undef memmove +# define memmove __redirect_memmove +# include <string.h> +# include "init-arch.h" + +extern __typeof (__redirect_memmove) __libc_memmove; + +extern __typeof (__redirect_memmove) __memmove_ppc attribute_hidden; +extern __typeof (__redirect_memmove) __memmove_power7 attribute_hidden; + +libc_ifunc (__libc_memmove, + (hwcap & PPC_FEATURE_HAS_VSX) + ? __memmove_power7 + : __memmove_ppc); + +#undef memmove +strong_alias (__libc_memmove, memmove); +libc_hidden_ver (__libc_memmove, memmove); +#else +# include <string/memmove.c> +#endif |