diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S')
-rw-r--r-- | sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S b/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S new file mode 100644 index 0000000000..743064b63d --- /dev/null +++ b/sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S @@ -0,0 +1,35 @@ +/* memmove with SSE2. + Copyright (C) 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/>. */ + +#if IS_IN (libc) +# define MEMMOVE_SYMBOL(p,s) p##_sse2_##s +#endif + +#if !defined SHARED || !IS_IN (libc) +weak_alias (__mempcpy, mempcpy) +#endif + +#include <sysdeps/x86_64/memmove.S> + +#if defined SHARED && IS_IN (libc) +# include <shlib-compat.h> +# if SHLIB_COMPAT (libc, GLIBC_2_2_5, GLIBC_2_14) +/* Use __memmove_sse2_unaligned to support overlapping addresses. */ +compat_symbol (libc, __memmove_sse2_unaligned, memcpy, GLIBC_2_2_5); +# endif +#endif |