sysdeps/powerpc/powerpc32/power4/multiarch/memmove.c

   1 /* Multiple versions of memmove. PowerPC32 version.
   2    Copyright (C) 2014-2019 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 defined SHARED && IS_IN (libc)
  20 /* Redefine memmove so that the compiler won't complain about the type
  21    mismatch with the IFUNC selector in strong_alias, below.  */
  22 # define memmove __redirect_memmove
  23 # include <string.h>
  24 # include "init-arch.h"
  25
  26 extern __typeof (memmove) __memmove_ppc attribute_hidden;
  27 extern __typeof (memmove) __memmove_power7 attribute_hidden;
  28 # undef memmove
  29
  30 libc_ifunc_redirected (__redirect_memmove, memmove,
  31                        (hwcap & PPC_FEATURE_HAS_VSX)
  32                        ? __memmove_power7
  33                        : __memmove_ppc);
  34 #else
  35 # include <string/memmove.c>
  36 #endif