powerpc64: Add POWER8 strnlen
[glibc.git] / sysdeps / powerpc / powerpc64 / multiarch / strlen-power8.S
blobff9032f2431a2bd2e4f864c0000dce4153a6aaa5
1 /* Optimized strlen implementation for POWER8.
2    Copyright (C) 2016-2017 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
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.
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.
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/>.  */
19 #include <sysdep.h>
21 #undef EALIGN
22 #define EALIGN(name, alignt, words)                             \
23   .section ".text";                                             \
24   ENTRY_2(__strlen_power8)                                      \
25   .align ALIGNARG(alignt);                                      \
26   EALIGN_W_##words;                                             \
27   BODY_LABEL(__strlen_power8):                                  \
28   cfi_startproc;                                                \
29   LOCALENTRY(__strlen_power8)
30 #undef END
31 #define END(name)                                               \
32   cfi_endproc;                                                  \
33   TRACEBACK(__strlen_power8)                                    \
34   END_2(__strlen_power8)
36 #undef libc_hidden_builtin_def
37 #define libc_hidden_builtin_def(name)
39 #include <sysdeps/powerpc/powerpc64/power8/strlen.S>