sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S

   1 /* memmove with SSE2.
   2    Copyright (C) 2017-2018 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #if IS_IN (libc)
  20 # define MEMMOVE_SYMBOL(p,s)    p##_sse2_##s
  21 #else
  22 weak_alias (__mempcpy, mempcpy)
  23 #endif
  24
  25 #include <sysdeps/x86_64/memmove.S>
  26
  27 #if defined SHARED && IS_IN (libc)
  28 # include <shlib-compat.h>
  29 # if SHLIB_COMPAT (libc, GLIBC_2_2_5, GLIBC_2_14)
  30 /* Use __memmove_sse2_unaligned to support overlapping addresses.  */
  31 compat_symbol (libc, __memmove_sse2_unaligned, memcpy, GLIBC_2_2_5);
  32 # endif
  33 #endif