sysdeps/powerpc/powerpc64/multiarch/strncpy-power7.S

   1 /* Optimized strncpy implementation for POWER7.
   2    Copyright (C) 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 #include <sysdep.h>
  20
  21 #undef EALIGN
  22 #define EALIGN(name, alignt, words)                             \
  23   .section ".text";                                             \
  24   ENTRY_2(__strncpy_power7)                                     \
  25   .align ALIGNARG(alignt);                                      \
  26   EALIGN_W_##words;                                             \
  27   BODY_LABEL(__strncpy_power7):                                 \
  28   cfi_startproc;                                                \
  29   LOCALENTRY(__strncpy_power7)
  30
  31 #undef END
  32 #define END(name)                                               \
  33   cfi_endproc;                                                  \
  34   TRACEBACK(__strncpy_power7)                                   \
  35   END_2(__strncpy_power7)
  36
  37 #undef libc_hidden_builtin_def
  38 #define libc_hidden_builtin_def(name)
  39
  40 #define MEMSET __memset_power7
  41
  42 #include <sysdeps/powerpc/powerpc64/power7/strncpy.S>