sysdeps/tile/memcopy.h

   1 /* memcopy.h -- definitions for memory copy functions.  Tile version.
   2    Copyright (C) 2012-2017 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 #include <sysdeps/generic/memcopy.h>
  20 #include <bits/wordsize.h>
  21
  22 /* The tilegx implementation of memcpy is safe to use for memmove.  */
  23 #ifdef __tilegx__
  24 # undef MEMCPY_OK_FOR_FWD_MEMMOVE
  25 # define MEMCPY_OK_FOR_FWD_MEMMOVE 1
  26 #endif
  27
  28 /* Support more efficient copying on tilegx32, which supports
  29    long long as a native 64-bit type.  */
  30 #if defined (__tilegx__) && __WORDSIZE == 32
  31 # undef op_t
  32 # define op_t   unsigned long long int
  33 #endif