sysdeps/powerpc/powerpc64/multiarch/wordcopy.c

   1 /* Multiple versions of wordcopy functions.
   2    Copyright (C) 2013-2014 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 #ifndef NOT_IN_libc
  20 # include <stddef.h>
  21 # include <memcopy.h>
  22 # include <shlib-compat.h>
  23 # include "init-arch.h"
  24
  25 extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_ppc
  26 attribute_hidden;
  27 extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_power6
  28 attribute_hidden;
  29 extern __typeof (_wordcopy_fwd_aligned) _wordcopy_fwd_aligned_power7
  30 attribute_hidden;
  31
  32 libc_ifunc (_wordcopy_fwd_aligned,
  33             (hwcap & PPC_FEATURE_HAS_VSX)
  34             ? _wordcopy_fwd_aligned_power7 :
  35               (hwcap & PPC_FEATURE_ARCH_2_05)
  36               ? _wordcopy_fwd_aligned_power6
  37             : _wordcopy_fwd_aligned_ppc);
  38
  39
  40 extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_ppc
  41 attribute_hidden;
  42 extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_power6
  43 attribute_hidden;
  44 extern __typeof (_wordcopy_fwd_dest_aligned) _wordcopy_fwd_dest_aligned_power7
  45 attribute_hidden;
  46
  47 libc_ifunc (_wordcopy_fwd_dest_aligned,
  48             (hwcap & PPC_FEATURE_HAS_VSX)
  49             ? _wordcopy_fwd_dest_aligned_power7 :
  50               (hwcap & PPC_FEATURE_ARCH_2_05)
  51               ? _wordcopy_fwd_dest_aligned_power6
  52             : _wordcopy_fwd_dest_aligned_ppc);
  53
  54
  55 extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_ppc
  56 attribute_hidden;
  57 extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_power6
  58 attribute_hidden;
  59 extern __typeof (_wordcopy_bwd_aligned) _wordcopy_bwd_aligned_power7
  60 attribute_hidden;
  61
  62 libc_ifunc (_wordcopy_bwd_aligned,
  63             (hwcap & PPC_FEATURE_HAS_VSX)
  64             ? _wordcopy_bwd_aligned_power7 :
  65               (hwcap & PPC_FEATURE_ARCH_2_05)
  66               ? _wordcopy_bwd_aligned_power6
  67             : _wordcopy_bwd_aligned_ppc);
  68
  69
  70 extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_ppc
  71 attribute_hidden;
  72 extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_power6
  73 attribute_hidden;
  74 extern __typeof (_wordcopy_bwd_dest_aligned) _wordcopy_bwd_dest_aligned_power7
  75 attribute_hidden;
  76
  77 libc_ifunc (_wordcopy_bwd_dest_aligned,
  78             (hwcap & PPC_FEATURE_HAS_VSX)
  79             ? _wordcopy_bwd_dest_aligned_power7 :
  80               (hwcap & PPC_FEATURE_ARCH_2_05)
  81               ? _wordcopy_bwd_dest_aligned_power6
  82             : _wordcopy_bwd_dest_aligned_ppc);
  83
  84 #else
  85 #include <sysdeps/powerpc/power4/wordcopy.c>
  86 #endif