sysdeps/sparc/sparc64/multiarch/ifunc-memcpy.h

   1 /* Common definition for memcpy and mempcpy implementation.
   2    All versions must be listed in ifunc-impl-list.c.
   3    Copyright (C) 2017 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <ifunc-init.h>
  21
  22 extern __typeof (REDIRECT_NAME) OPTIMIZE (niagara4) attribute_hidden;
  23 extern __typeof (REDIRECT_NAME) OPTIMIZE (niagara2) attribute_hidden;
  24 extern __typeof (REDIRECT_NAME) OPTIMIZE (niagara1) attribute_hidden;
  25 extern __typeof (REDIRECT_NAME) OPTIMIZE (ultra3) attribute_hidden;
  26 extern __typeof (REDIRECT_NAME) OPTIMIZE (ultra1) attribute_hidden;
  27
  28 static inline void *
  29 IFUNC_SELECTOR (int hwcap)
  30 {
  31   if (hwcap & HWCAP_SPARC_CRYPTO)
  32     return OPTIMIZE (niagara4);
  33   if (hwcap & HWCAP_SPARC_N2)
  34     return OPTIMIZE (niagara2);
  35   if (hwcap & HWCAP_SPARC_BLKINIT)
  36     return OPTIMIZE (niagara1);
  37   if (hwcap & HWCAP_SPARC_ULTRA3)
  38     return OPTIMIZE (ultra3);
  39   return OPTIMIZE (ultra1);
  40 }